CN1721701A - Hermetic Electric Compressor - Google Patents
Hermetic Electric Compressor Download PDFInfo
- Publication number
- CN1721701A CN1721701A CN200510083204.7A CN200510083204A CN1721701A CN 1721701 A CN1721701 A CN 1721701A CN 200510083204 A CN200510083204 A CN 200510083204A CN 1721701 A CN1721701 A CN 1721701A
- Authority
- CN
- China
- Prior art keywords
- compressor
- motor
- motor driving
- driving assembly
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/803—Electric connectors or cables; Fittings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/808—Electronic circuits (e.g. inverters) installed inside the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2270/00—Control; Monitoring or safety arrangements
- F04C2270/90—Remote control, e.g. wireless, via LAN, by radio, or by a wired connection from a central computer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
To provide a hermetic electric compressor making an outdoor unit compact by storing a drive circuit unit in a hermetic vessel and surely performing transmission and reception of signals with outside.a compressor unit (11); a motor (12); and a motor driving module (13) having a power unit and a control unit, for operating the motor (12), wherein the compressor unit (11), the motor (12) and the motor driving module (13) are accommodated in the sealed vessel. The sealed type electric compressor allows the size of an outdoor unit to be reduced by accommodating the motor driving unit in the sealed vessel and reliably performs a signal transmitting/receiving operation to/from an exterior.
Description
Technical field
The present invention relates to a kind of electrically-operated sealed compressor that is contained in refrigerating plant or the aircondition, more particularly, relate to a kind of motor driving assembly that will be used to control machine operation and be installed in electrically-operated sealed compressor in the seal container.
Background technique
In recent years, more and more higher for the requirement small-sized, energy saving of propositions such as domestic air conditioner.For this reason, in the outdoor unit of a part that constitutes air conditioner, the heat transfer area that had both needed to increase outdoor heat converter requires outdoor unit to realize miniaturization simultaneously again to raise the efficiency.On the other hand, also require small-sized, the high performance of its realization for the compressor that is contained in the outdoor unit.
Using the electric main power supply, adopting in the air conditioner by the frequency variator compressor driven, the drive circuit unit of its compressor is that the form with independent parts is located in the outdoor unit.Such drive circuit unit occupies very big volume in outdoor unit, cause the heat transfer area of outdoor heat converter also correspondingly to reduce, and the performance of air conditioner is affected.
At present, the compressor in the domestic air conditioner adopts the electrically-operated sealed compressor by Frequency Converter Control to become main flow gradually, and the drive circuit unit of compressor host body and this compressor operating of control is contained in the outdoor unit of air conditioner.In electrically-operated sealed compressor, compression member and motor are installed in the seal container, and the motor-drive circuit that motor is carried out drive controlling then is arranged on the outside of electrically-operated sealed compressor.
Figure 10 is the oblique drawing of the structure of the outdoor unit in the existing detachable air conditioner of expression, and Figure 11 is the sectional view of existing electrically-operated sealed compressor.As shown in Figure 10,11, be provided with in the main engine body of outdoor unit 100: compressor 110; Be used for the outdoor heat converter 120 that carries out heat exchange with outer gas; With outdoor blowers 130 that blasts the outer gas that is used for carrying out heat exchange etc.Wherein, compressor 110 is sealed structure, is provided with compression member 111 in its seal container 151 and drives the motor 121 of above-mentioned compression member 111.The drive circuit unit 140 that is used for Driven Compressor 110 is located at the upper space of outdoor unit 100, constitutes independently different parts with compressor 110.
Be provided with in the drive circuit unit 140: be used for to compressor 110 carry out drive controlling compressor control unit, be used for to outdoor blowers 130 carry out drive controlling the blower control unit, be used for the wiring part that the freeze cycle (not shown) is carried out the freeze cycle control unit of drive controlling and is connected to the indoor unit (not shown) is graded, most of volume wherein is occupied by compressor control unit.
Figure 12 is the existing drive circuit figure that is used to drive the VFC compressor.As shown in Figure 12, the compressor drive circuit in the drive circuit unit 140 is broadly divided into: high-power circuit 240 that is made of rectification circuit 210 and converter circuit 230 and the control unit 250 of controlling above-mentioned converter circuit 230.Rectification circuit 210 is transformed into direct current with electric main power supply 200, after converter circuit 230 becomes three phase current with DC converting, and the motor 220 of drive installation in the seal container of compressor 110 again.The rectification circuit 210 here by reactor 260, capacitor 270, and diode 280 etc. constitute.In addition, converter circuit 230 is made of the switching element 290 that IGBT that can carry out speed-sensitive switch and high power transistor (GTR) etc. form.
As shown in Figure 10, in existing air conditioner, drive circuit unit 140 is different parts with compressor 110, connects so also need carry out distribution in outdoor unit 100 when the above-mentioned drive circuit unit 140 of assembling.
Except the use electrically-operated sealed compressor of those service times in family expenses air conditioner and professional air conditioner than length, under not very long in the operating time, as to be installed in semi-hermetic type motor compressor in the car air-conditioner machine etc. etc. the occasion, motor-drive circuit also is to be arranged separately in the semitight container (example is wherein opened 2002-174178 number referring to the Japanese patent gazette spy).
Realize miniaturization, assemble and make the heat exchanger in the outdoor unit can guarantee effective space easily when making for the component parts that makes compressor, a kind of way is the inside that motor-drive circuit is arranged on hermetic compressor.But, under such occasion, between motor-drive circuit and outside, carry out can producing some special problems in the device of reception/transmission of control signal.
Particularly, the communicator of above-mentioned transmission/acceptance division generally can be considered the contact-type electrical connection type communicators such as friction-fit connector, flexible printed circuit board and lead that adopt the positioning free degree high.But, these communicators with respect to the electrical insulating property of compressor, vibratility, temperature environment, and dust etc. be provided with for the environment, exist problems such as operating life is short.In addition, the glass terminal formula signal terminal identical with the sealed electrical source terminal is set, signaling line will increase, and can produce that the glass terminal needs certain size but the problems such as restriction of the shape of the container that can be under pressure.In addition, motor-drive circuit is arranged on after the sealed container interior, can produces again and must prepare and problems such as the corresponding connector of machine, function of the air conditioner of One's name is legion and compressor and terminal.
Summary of the invention
The present invention is intended to solve the above-mentioned problems in the prior art, its purpose is to be provided between the electric component that inside is provided with the electrically-operated sealed compressor of motor-drive circuit and sealed container outside controls the control of communication communicator, realize that a kind of motor-drive circuit that makes is collected in sealed container interior, the electrically-operated sealed compressor that becomes one, and provide a kind of air conditioner outdoor unit that makes to realize miniaturization, and between motor-drive circuit and outside interface board, electrically contact the electrically-operated sealed compressor that mode is carried out signal transmission/reception by non-.
In order to address the above problem, electrically-operated sealed compressor of the present invention comprises: be provided with at least in its seal container: compression member, motor and be provided with and be used to drive the high-power circuit of described motor and the motor driving assembly of control unit.
Adopted after the above-mentioned formation, can be installed to the motor driving assembly of motor etc. in the seal container, form one with it, like this, compressor and motor driving assembly can be used as one (parts) and handle, and simultaneously, can make outdoor unit realize miniaturization, and effective heat transfer area of outdoor heat converter is increased, increase air handling capacity.
In addition, preferably be provided with the non-formula communicator that electrically contacts in the described seal container, described communicator communicates the transmission/reception of control signal or command signal between motor driving assembly and sealed container outside.Adopted after such structure, the electric insulating quality that communicator is had can keep for vibratility, temperature environment, dust etc. are provided with environment lastingly, realizes transmission/reception reliably.
In addition, described communicator can be the communicator that adopts the optical signal mode of communication.Like this, not only need not to be used for externally and the motor driving assembly between communicate the operating procedures such as lead connection of control, and can realize a kind of communication mode that is not subjected to environmetal impacts such as electric noise, vibration and temperature, has very high reliability.
In addition, described communicator can be the communicator that adopts the electromagnetic field signal mode of communication.Like this, not only need not to be used for externally and the motor driving assembly between communicate the operating procedures such as lead connection of control, and can realize a kind of outside of the seal container that need not to make communicator and innerly carry out position alignment, be not subjected to the very high communication mode of environmetal impact, reliability such as temperature.
In addition, described communicator can be the communicator that adopts the oscillating signal mode of communication.So, can enlarge the mounting point degrees of freedom of communicator, get by wave filter simultaneously and remove the signal transmission performance that external interference signals can produce high gain.
In addition, described communicator can be arranged on the top of seal container, and described motor driving assembly is arranged on the topmost part of described seal container.Like this, sealed electrical source terminal, communicator and motor driving communication between components command range will shorten, and not be subject to The noise, and communication control also will become and carry out easily.
In addition, described motor driving assembly also can be arranged on the bottom of seal container.Like this, in the low-pressure type compressor, can make the motor driving assembly obtain cooling, thereby can make the operation of motor driving assembly keep stable by the lubricant oil that is positioned at the seal container bottom.
The technique effect that the present invention produces is as follows.Adopt after the electrically-operated sealed compressor of the present invention, because the motor driving assembly of motor etc. can be installed in the seal container, constitute one, compressor and motor driving assembly can be used as parts and handle, simultaneously, outdoor unit can be realized miniaturization, and makes effective heat transfer area of outdoor heat converter obtain increasing, and the ability of air-conditioning is enhanced.
Description of drawings
Fig. 1 is the sectional view of the electrically-operated sealed compressor in the embodiment of the invention 1,
Fig. 2 is the sectional view of the detailed structure of the motor driving assembly of expression sealing type motor compressor,
Fig. 3 is the schematic representation of the detailed structure of the communicator in the expression sealing type motor compressor,
Fig. 4 is the detailed structure view of the sealed electrical source terminal in the sealing type motor compressor,
Fig. 5 is the sectional view of the detailed structure of the communicator of the electrically-operated sealed compressor in the expression embodiment of the invention 2,
Fig. 6 is the sectional view of the detailed structure of the communicator of the electrically-operated sealed compressor in the expression embodiment of the invention 3,
Fig. 7 is the sectional view of the detailed structure of the another kind of communicator in the expression sealing type motor compressor,
Fig. 8 is the sectional view of the detailed structure of another communicator in the expression sealing type motor compressor,
Fig. 9 is the sectional view of the electrically-operated sealed compressor in the embodiment of the invention 4,
Figure 10 is the oblique drawing of the formation situation in the outdoor unit in the existing detachable air conditioner of expression,
Figure 11 is the sectional view of existing electrically-operated sealed compressor,
Figure 12 is the drive circuit figure that is used to drive existing VFC compressor.
In the above-mentioned accompanying drawing, 10 is (electrically-operated sealed) compressor, and 11 is compression member, 12 is motor, and 13 is the motor driving assembly, and 14 is stator, 15 is rotor, and 16 is main shaft, and 21 is the sealed electrical source terminal, 22 is communicator, and 51 is upper shell, and 52 is lower shell body, 61 is fixed scroll member, and 71 is movable scroll element, 83,93,103,113,123 is inner transmission/receiving terminal, 84,94,104,114,124 is outside transmission/receiving terminal, and 86 is withstand voltage lens, and 96 is the electromagnetic field lens, 106 for passing on rod, 116 are the transmission medium, and 131 is high-power circuit, and 132 is control unit.
Embodiment
Below by accompanying drawing embodiments of the invention are elaborated.
(embodiment 1)
Fig. 1 is the sectional view of the electrically-operated sealed compressor in the embodiments of the invention 1, Fig. 2 is the sectional view of the detailed construction of the motor driving assembly of expression sealing type motor compressor, Fig. 3 (a) is near the sectional view of the detailed structure the communicator of expression sealing type motor compressor, and Fig. 3 (b) is the plan view of the detailed structure of the communicator of expression sealing type motor compressor.
Electrically-operated sealed compressor 10 is the low-pressure type compressor, constitutes a seal container by upper shell 51, lower shell body 52.Be provided with in the sealing container: compression member 11, motor 12 and motor driving assembly 13.Motor driving assembly 13 is located at the topmost part in the seal container, is used for to motor 12 supply powers and controls its operation.Upper shell 51 and lower shell body 52 connect by welding portion 53, constitute seal container.Be equipped with on the upper surface of upper shell 51: be used for from the outside to the sealed electrical source terminal 21 of motor driving assembly 13 supply powers and be used for and sealed container outside between communicate the communicator 22 of the reception/transmission of control signal or command signal.
By as described above communicator being located at the top of seal container, and the motor driving assembly is located at the topmost part in the seal container, can shorten the distance of the communication control that communicator and motor driving assembly carry out, and also not be vulnerable to The noise.
Be provided with the fixed scroll member 61 and the movable scroll element 71 that face mutually in the compression member 11.Be provided with in the fixed scroll member 61: be formed on fixedly overlap on the side of base plate 62 and the fixed component 63 that is connected with base plate 62.Fixed component 63 is fixed on the lower shell body 52, is supporting movable scroll element 71.Be provided with tap hole 65 near the center of base plate 62.Be provided with in the movable scroll element 71: base plate 72; Be formed on the movable overlap on the side of base plate 72; Cylindric projection 73 with the another side that is located at base plate 72.In addition, on one side cross headring (not shown) stops movable scroll element 71 that rotation takes place, rotatablely move Yi Bian allow it to spiral.Rotate with respect to fixed scroll member 61 by driving movable scroll element 71, constitute compression member 11, refrigerant is compressed.Electrically-operated sealed compressor in the present embodiment is the low-pressure type compressor, the refrigerant that sucks from the suction pipe 79 that is located on the lower shell body 52 is discharged in the seal container, on one side motor 12 and motor driving assembly 13 are cooled off, from suction portion 64 be inhaled into compression member 11 on one side.Suction portion 64 is arranged in seal container on the position with suction pipe 79 places and an opposite side.The refrigerant that sucks is discharged from from tap hole 65 along with rotatablely moving of movable scroll element 71 is compressed, and passes discharge side 66 again and discharges pipe arrangement 91, is discharged into the outside of compressor 10 from being located at discharge tube 80 on the lower shell body 52.
Fig. 2 is the sectional view of the summary formation of expression motor driving assembly 13.Be provided with in the drive motor driven unit 13 and be used to the control unit 132 controlling the high-power circuit 131 of motor 12 and be used to control the operation of motor 12, around it by in addition injection moulding of anti-refrigerant material such as epoxy resin 133.Be provided with elements such as the high power transistor (GTR) 190 that is installed on the printed circuit board (PCB) 136 and drive integrated circult 191 thereof in the high-power circuit 131 that constitutes by rectification circuit and converter circuit.Also contain large value capacitor 170 and micro computer 171 in the control unit 132, high-power circuit 131 is controlled, and then the rotation of motor 12 is controlled.Shield plate 135 plays the effect of thermal insulation and shielding between control unit 132 and high-power circuit 131, be provided with heat liberation board 134 around the motor driving assembly 13, plays the effect of heat release.
Fig. 3 (a) is the sectional view that is installed in the detailed construction of the communicator 22 on the upper shell 51, and Fig. 3 (b) is its plan view.Under the occasion in embodiments of the invention 1, what the signal transmission/receive mode of communicator 22 adopted is mode optical signal.As shown in Fig. 3 (a), communicator 22 comprises: inner transmission/receiving terminal 83, at the input and output terminal of motor driving assembly 13 1 sides as transmission/receiving optical signals control signal; Outside transmission/receiving terminal 84 is as the input output outside terminal of transmission/reception external control signal; And withstand voltage lens 86 etc.Inner transmission/receiving terminal 83 and outside transmission/receiving terminal 84 are for being used for the coupled apparatus of I/O optical signal.Outside transmission/receiving terminal 84 is fixed by the Supporting fixture 87 that is installed on the upper shell 51.Supported by high strength insulating material 85 such as glass fibres around the withstand voltage lens 86.In addition, withstand voltage lens 86 are fixed on the upper shell 51 in the seal container, carry out the exchange of optical signal between inside transmission/receiving terminal 83 and outside transmission/receiving terminal 84 by withstand voltage lens 86.
From the input signal of outside transmission/receiving terminal 84 is that work/stop signal, frequency indication, temperature (thermistor) information etc. of compressor 10 is output to motor driving assembly 13 1 sides, is that inside temperature and operating current information etc. then output to the outside from motor driving assembly 13 1 sides from the output signal of inside transmission/receiving terminal 83.
Fig. 4 is the detailed maps of sealed electrical source terminal 21, and wherein, Fig. 4 (a) is its sectional view, and Fig. 4 (b) is its plan view.3 power bars 30 are fixed on respectively on the insulating glass body 31, and insulate with upper shell 51 maintenances in the seal container.Above-mentioned sealed electrical source terminal 21 also has the intensity that can bear the high pressure in the seal container, is fixed on the upper shell 51 by welding manner.
Next, the assembling process to compressor 10 is described.Earlier the stator 14 with motor 12 is fixed in the lower shell body 52, after the main shaft 16 of rotor 15 and compression member 11 being linked again, compression member 11 is installed in the stator 14, thereby is fixed in the lower shell body 52; Then, discharge side 66 is installed on the compression member 11, will discharges pipe arrangement 91 and be fixed on the discharge tube 80 by modes such as welding.Afterwards, motor driving assembly 13 fix/is assembled on the compression member 11, line Connects Power between the stator 14 of Out let 88 and motor 12; Between sealed electrical source terminal 21 and input terminal 81, carry out line again, upper shell 51 is installed on the lower shell body 52, and fix by welding portion 53.At this moment, the outside transmission/receiving terminal 84 in the communicator 22 and the inside transmission/receiving terminal of motor driving assembly 13 83 is assembled respectively, its with withstand voltage lens 86 between concern in the position on short transverse and the sense of rotation and to be on the suitable position.
Next, the operational circumstances in the above-mentioned formation is described.The power supply that infeeds from the outside is sent into the input terminal 81 of motor driving assembly 13 through distribution 82 by sealed electrical source terminal 21.In the high-power circuit 131 of motor driving assembly 13, power supply is by rectification, conversion, and powers through the stator 14 of 89 pairs of motors 12 of distribution from Out let 88, makes rotor 15 rotations.On the other hand, the inside transmission/receiving terminal 83 of outside transmission/receiving terminal 84 and motor driving assembly 13 communicates the transmission/reception of control signal, thereby the work of motor 12 is controlled.Work/stop signal, frequency of okperation indication and external temperature information such as (thermistors) to compressor 10 are transformed into optical signal earlier, from withstand voltage lens 86 of outside transmission/receiving terminal 84 processes and inner transmission/receiving terminal 83, output to motor driving assembly 13 1 sides again.In contrast, from information such as compressor 10 temperature inside of motor driving assembly 13 1 sides and operating currents also is to be transformed into optical signal earlier, transmission/receiving terminal 83 is sent as output signal internally again, passes withstand voltage lens 86, outputs to outside transmission/receiving terminal 84.Like this, can carry out overtemperature protection and overcurrent protection control to compressor 10.
When the rotor 15 of motor 12 rotated, because main shaft 16 directly is connected with rotor 15, movably scroll element 71 was connected with the front end of main shaft 16 again, so movable scroll element 71 will be rotated motion with respect to fixed scroll member 61.At this moment, flow into refrigerant gas in the compressor 10 and will flow in the compression member 11 that constitutes by fixed scroll member 61 and movable scroll element 71 and be compressed by being located at suction pipe 79 on the lower shell body 52, and discharge from tap hole 65.Refrigerant gas flow into earlier in the discharge side 66, by in the discharge side 66 pulsation of discharging gas being suppressed, further suppresses by discharging 91 pairs of discharge pulsation of pipe arrangement then, is discharged to the outside of electrically-operated sealed compressor 10 then from discharge tube 80.
In addition, the lubricant oil 90 that stockpiles in lower shell body 52 bottoms of seal container utilizes the rotating force of main shaft 16 to be fed in the sliding parts of compression member 11, and it is lubricated.Particularly, lubricant oil is fed on the sliding partss such as fixing part 63 of the thrust load that the deadweight of the bent axle that is bearing splenium and dividing the main shaft 16 of 11 gas pressure, the thrust load that is bearing movable scroll element 71 and main shaft 16 produces, and these positions are lubricated.
Like this, after employing the above embodiment of the present invention, the motor driving assembly 13 of motor 12 is installed in the seal container, becomes one with it, and in addition, what communication mode adopted is the optical signal mode of communication.Because motor driving assembly 13 is installed in the seal container, constitutes one with it, so compressor 10 and motor driving assembly 13 can be used as parts and install, and can make the outdoor unit of air conditioner realize miniaturization simultaneously.In addition, after the compressor control unit that contains the motor driving assembly is removed from outdoor unit, effective heat transfer area of outdoor heat converter is correspondingly increased, thereby can make air handling capacity obtain increasing.
In addition, not only communicating the required operations such as lead connection of control between outside and the motor driving assembly 13 can save, and can also realize a kind of highly reliable communication mode that is not subjected to the influence of environment such as electrical noise, vibration and temperature.
In addition, only need from the outdoor unit that the air conditioner of deciding frequency formula compressor is housed, to pull down compressor, change the frequency variator driven compressor that the motor driving assembly is installed, just can constitute a kind of air conditioner by Frequency Converter Control, the scalability of machine can be improved.
(embodiment 2)
Come the electrically-operated sealed compressor in the embodiments of the invention 2 is described below by Fig. 5.Wherein, for embodiment 1 in identical component parts, used identical symbol, and omitted repeat specification it.In addition and since the operation beyond the communicator 22 also with embodiment 1 in basic identical, so also omit detailed description thereof.
Fig. 5 is the detailed structure sectional view that is installed in the communicator 22 in the upper shell 51.In embodiments of the invention 2, what communication mode in the communicator 22 adopted is the electromagnetic field signal mode, comprising: the input and output terminal that is positioned at control signal motor driving assembly 13 1 sides, that be used to send/receives the electromagnetic field signal form i.e. inside transmission/receiving terminal 93; Be positioned at outside transmission/receiving terminal 94 outside, that be used as the input output outside terminal of transmission/reception control signal; And electromagnetic field lens 96 etc.Inside transmission/receiving terminal 93 in the embodiment of the invention 2 and outside transmissions/receiving terminal 94 are made of electromagnetic coil, and coil on reeling on the magnetic materials such as ferrite passes through the electromagnetic field signal of electromagnetic field lens 96 transmission/receptions from signal source each other.After being supported by high strength insulating material 95 such as glass fibres around the electromagnetic field lens 96, be fixed on the upper shell 51 as seal container.Input signal from outside transmission/receiving terminal 94 has: signals such as the work/stop signal of compressor 10, frequency indication and temperature (thermistor) information, these signals are output to motor driving assembly 13 1 sides.Output signal from inside transmission/receiving terminal 93 has: signals such as motor driving assembly 13 temperature inside and operating current information, these signals are output to the outside.
When assemble compressible machine 10, on one side sealed electrical source terminal 21 is connected with input terminal 81 on one side among the process that is applied to upper shell 51 on the lower shell body 52, fixes by weld part 53 again and the embodiment 1 identical.At this moment, communicator 22 is assembled into like this, promptly the outside is sent/the inside transmission/reception terminal 93 on receiving terminal 94 and the top that is arranged on motor driving assembly 13 be mounted to be located at upper shell 51 on electromagnetic field lens 96 mutually suitable pass, position on short transverse and sense of rotation fasten.
In above formation, the power supply that infeeds from the outside supplies on the input terminal 81 of motor driving assembly 13 by sealed electrical source terminal 21, distribution 82, is re-supplied on the stator 14 of motor 12, and rotor 15 is rotated, this point also with embodiment 1 in identical.Communicate the transmission/reception of control signal between the inside transmission/receiving terminal 93 of outside transmission/receiving terminal 94 and motor driving assembly 13, the work of motor 12 is controlled.In detail, work/stop signal, frequency of okperation indication and external temperature (thermistor) information etc. to compressor 10 are transformed into electromagnetic field signal, are output to motor driving assembly 13 1 sides from outside transmission/receiving terminal 94 through electromagnetic field lens 96, inner transmission/receiving terminal 93.In contrast; also be transformed into electromagnetic field signal from information such as compressor 10 inside temperatures of motor driving assembly 13 1 sides and operating currents; and transmission/receiving terminal 93 outputs to outside transmission/receiving terminal 94 as output signal through electromagnetic field lens 96 internally, and compressor 10 is carried out overtemperature protection and overcurrent protection control.
Like this, communicator adopts the words of vibration (electromagnetic field) signal load mode, not only the connection operations such as communication control lead between outside and the motor driving assembly 13 can be saved, and can realize a kind ofly not requiring, be not subjected to the influence of environment such as refrigerant, lubricant oil or high temperature, high pressure, the communication mode that reliability is very high for communicator in the outside and the position alignment precision between the inside of seal container.
(embodiment 3)
Below by Fig. 6,7 and 8 electrically-operated sealed compressors that illustrate in the embodiment of the invention 3.In embodiments of the invention 3, what the communication mode of communicator 22 adopted is the oscillating signal mode of communication.Wherein, represent with identical symbol, and omission is to its repeat specification with component parts identical among the embodiment 1.In addition and since the operation beyond the communicator 22 also with embodiment 1 in basic identical, so also omit detailed description thereof.
Detailed sectional view in embodiment 3 the mode of execution 1, that be installed in the communicator 22 on the upper shell 51 has been shown among Fig. 6.This communicator 22 comprises: can send/receive input and output terminal (that is inner transmissions/receiving terminal) 103, input and output terminal (that is the outside transmission/receiving terminal) 104 that can send/receive outside oscillation control signal and the reception and registration excellent 106 etc. of motor driving assembly 13 of the control signal of oscillating signal form.Inner transmissions/receiving terminal 103 and outside transmission/receiving terminal 104 are made of piezoelectric element or electromagnetic coil etc., are transformed into oscillating signal from the voltage signal of signal source, again by passing on excellent 106 sending each other/receiving.Pass on rod 106 around supported by high strength insulating material 105 such as glass fibres after, be fixed on the upper shell 51 in the seal container.
Signal from 104 inputs of outside transmission/receiving terminal has: to work/stop signal, frequency indication and temperature (thermistor) information etc. of compressor 10, these signals are output to motor driving assembly 13 1 sides.On the other hand, the signal of transmission/receiving terminal 103 outputs internally has signals such as inside temperature and operating current, and these signals output to the outside from motor driving assembly 13 1 sides.Identical among this point and the embodiment 1.
In compressor 10 working procedure, upper shell 51 meetings contain on the thickness direction at it to be vibrated, and (be generally 30～120Hz) is fundamental frequency to its vibration frequency, but its a plurality of frequencys multiplication are also arranged very much, becomes a kind of vibration frequency of simulation with the vibration frequency of okperation.Therefore, such vibration also can be added to inner transmission/receiving terminal 103, outside transmission/receiving terminal 104, reach and pass on the rod 106.But the conveyance frequency setting by will being used for communicating reception and registration just can be realized high efficiency communication on the eigentone of passing on rod 106.
When assemble compressible machine 10, on one side sealed electrical source terminal 21 is connected with input terminal 81 on one side among the process that is applied to upper shell 51 on the lower shell body 52, fixes by weld part 53 again and the embodiment 1 identical.At this moment, communicator 22 is assembled like this, that is, the joint Terminal 108 of motor driving assembly 13 and the inside transmission/receiving terminal 103 that is fixed on an end of the reception and registration rod 106 on the upper shell 51 are carried out mechanical connection, thereby finish the assembling of compressor 10.
In above formation, power supply infeeds from the outside, supplies to by sealed electrical source terminal 21 and distribution 82 on the input terminal 81 of motor driving assembly 13, is re-supplied on the stator 14 of motor 12, and rotor 15 is rotated.Identical among this point and the embodiment 1.By as the reception/transmission that between the outside transmission/receiving terminal 104 of the input and output terminal of outside and inside transmission/receiving terminal 103, communicates control signal, come the work of motor 12 is controlled as the input and output terminal of motor driving assembly 13.
Specifically, work/stop signal, frequency of okperation indication and external temperature signals such as (thermistors) to compressor 10 are transformed into oscillating signal earlier, output to motor driving assembly 13 1 sides from outside transmission/receiving terminal 104 through passing on rod 106, inner transmission/receiving terminal 103 again.In contrast; from signals such as compressor 10 inside temperatures of motor driving assembly 13 1 sides, operating currents also is to be transformed into oscillating signal earlier; transmission/receiving terminal 103 outputs internally then; by passing on rod 106 to output to outside transmission/receiving terminal 104, compressor 10 is carried out overtemperature protection and overcurrent protection control with this.
Fig. 7 is detailed sectional view in embodiment 3 the mode of execution 2, that be installed in the communicator 22 on the upper shell 51.This communicator 22 comprises: have transmission/reception with the promptly inner transmission/receiving terminal 113 of input and output terminal function, motor driving assembly 13 of the control signal of oscillating signal form; The promptly outside transmission/receiving terminal 114 of input and output terminal with function of the outside oscillation control signal of transmission/reception; And transmission medium 116 etc.Inner transmission/receiving terminal 113 and outside transmission/receiving terminal 114, constitute by piezoelectric element or electromagnetic coil etc. with identical among the embodiment 1, voltage signal from signal source is transformed into oscillating signal earlier, is sending each other/is receiving by transmission medium 116 then.Transmission medium 116 in the present embodiment are liquid or gas, are encapsulated in the Pressure Container 117.The two ends of Pressure Container 117 are provided with inner transmissions/receiving terminal 113 and outside transmission/receiving terminal 114, and are fixed on the upper shell 51 after being supported by high strength insulating material 115 such as glass fibres.
Fig. 8 is detailed sectional view in embodiment 3 the mode of execution 3, that be installed in the communicator 22 on the upper shell 51.Wherein, playing transmission/reception is that outside transmission/receiving terminal 124 all is directly installed on the upper shell 51 with the promptly inner transmissions/receiving terminal 123 of the input and output terminal of the motor driving assembly 13 of the control signal effect of oscillating signal form and the input and output terminal of effect that plays the oscillation control signal of transmissions/receptions outside.With the same in the mode of execution 1,2, inner transmissions/receiving terminal 123 and outside transmission/receiving terminal 124 are made of piezoelectric element or electromagnetic coil etc.Voltage signal from signal source is transformed into oscillating signal earlier, and the wooden partition that passes upper shell 51 then sends/receives.Here, inner transmission/receiving terminal 123 and outside transmission/receiving terminal 124 can be fixed on the upper shell 51 by the Bond (not shown), perhaps carry out fastening on being provided with after the metal alloy layer (not shown) again.
Communicator adopts after the oscillating signal mode of communication recited above, and the degrees of freedom of the mounting point of communicator can improve, and simultaneously, can realize the reception and registration performance of high gain by dispose external noise etc. with wave filter.Like this, can reduce restriction, can select, in common pressurized container, also can install the mounting point to the communicator mounting point.In addition, also be not vulnerable to externalities, electrical insulating property is also realized easily; And the intrinsic vibration component of compressor and blower can be removed by wave filter, and noise contribution can reduce, and the ability of opposing external disturbance can be strengthened, and can obtain stable reception and registration performance.And, become consistent by frequency setting with the eigentone of vibration reception and registration system with communicator, can in reception unit, reach very high gain by resonance phenomenon, be easy to make signal to obtain amplifying.
(embodiment 4)
Fig. 9 is the sectional view of the electrically-operated sealed compressor in the embodiment of the invention 4.
Electrically-operated sealed compressor 10 is a low pressure shape compressor, constitutes seal container by upper shell 51 and lower shell body 52.Be provided with in the lower shell body 52: compression member 11, motor 12, and motor driving assembly 13.Motor driving assembly 13 is located at the bottom of seal container, and is soaked in the lubricant oil 90.In addition, motor driving assembly 13 be equipped with sealed electrical source terminal 21 from outside supply power, and and sealed container outside between communicate the communicator 22 of the transmission/reception of control signal or command signal.
Like this, by motor driving assembly 13 being arranged in the lubricant oil 90 of seal container bottom, can cool off by 90 pairs of motor driving assemblies 13 of lubricant oil of the seal container bottom in the low pressure compressor, thereby can make the operation of motor driving assembly 13 more stable.
In addition, by around motor driving assembly 13, carrying out injection moulding, can prevent to be corroded by refrigerant, thereby can guarantee its durability by the motor driving assembly 13 that epoxy resin etc. constitutes by anti-refrigerant resin such as PET and PEN etc.In addition,, can further guarantee the durability of motor driving assembly, further give play to effect of the present invention if in seal container, be full of natural refrigerant such as charcoal acid gas and methane gas.
In sum, in the electrically-operated sealed compressor of the present invention because the motor driving assembly is installed in the seal container, can make overall structure realize miniaturization, and also can carry out reliably with communicating by letter of the control signal of carrying out between the outside, therefore, the present invention can use electrically-operated sealed compressor at air conditioner widely, particularly be provided with in the electrically-operated sealed compressor of frequency variator.
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004208165A JP4457789B2 (en) | 2004-07-15 | 2004-07-15 | Hermetic electric compressor |
| JP2004208165 | 2004-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1721701A true CN1721701A (en) | 2006-01-18 |
| CN100436822C CN100436822C (en) | 2008-11-26 |
Family
ID=35058573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100832047A Expired - Fee Related CN100436822C (en) | 2004-07-15 | 2005-07-07 | Sealed type electric compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1617081B1 (en) |
| JP (1) | JP4457789B2 (en) |
| CN (1) | CN100436822C (en) |
| ES (1) | ES2391179T3 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102203418A (en) * | 2008-11-06 | 2011-09-28 | 三电有限公司 | Inverter-integrated electric compressor |
| CN102536738A (en) * | 2010-12-02 | 2012-07-04 | 株式会社丰田自动织机 | Electric compressor |
| CN105275573A (en) * | 2014-07-15 | 2016-01-27 | 博格华纳公司 | Coolant pump with heat sinking to coolant |
| CN112448595A (en) * | 2019-08-27 | 2021-03-05 | 株洲中车时代电气股份有限公司 | Current transformer |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4529648B2 (en) * | 2004-11-11 | 2010-08-25 | パナソニック株式会社 | Hermetic electric compressor |
| GB2443421B (en) * | 2006-08-30 | 2009-02-18 | Compair Uk Ltd | Improvements in compressors units |
| JP5117843B2 (en) | 2007-12-27 | 2013-01-16 | 三菱重工業株式会社 | Inverter-integrated electric compressor |
| KR100963975B1 (en) * | 2008-08-06 | 2010-06-15 | 학교법인 두원학원 | Motorized compressors with inverters with dedicated ports for firmware |
| JP5536172B2 (en) * | 2012-10-18 | 2014-07-02 | 三菱重工業株式会社 | Inverter-integrated electric compressor |
| US10208978B2 (en) * | 2012-11-08 | 2019-02-19 | Lennox Industries Inc. | System for generating electrical energy from waste energy |
| KR101983051B1 (en) * | 2018-01-04 | 2019-05-29 | 엘지전자 주식회사 | Motor operated compressor |
| BR102019006685A2 (en) | 2019-04-02 | 2020-10-06 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. | ELECTRONIC CONTROL OF A COMPRESSOR, COMPRESSOR AND REFRIGERATION EQUIPMENT |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4791329A (en) * | 1986-06-16 | 1988-12-13 | Susumu Ubukata | Motor protector mounting structure for enclosed electric compressors |
| JP3086819B2 (en) * | 1990-07-20 | 2000-09-11 | セイコーエプソン株式会社 | Motor integrated compressor for air conditioner |
| US5118260A (en) * | 1991-05-15 | 1992-06-02 | Carrier Corporation | Scroll compressor protector |
| US5388425A (en) * | 1994-03-09 | 1995-02-14 | Carrier Corporation | Grounding for a room air conditioner |
| US6112535A (en) * | 1995-04-25 | 2000-09-05 | General Electric Company | Compressor including a motor and motor control in the compressor housing and method of manufacture |
| US5741120A (en) * | 1995-06-07 | 1998-04-21 | Copeland Corporation | Capacity modulated scroll machine |
| CN2252901Y (en) * | 1995-11-27 | 1997-04-23 | 西安交通大学 | A scroll compressor with medium pressure inside the shell |
| CN1079149C (en) * | 1998-10-23 | 2002-02-13 | 清华同方股份有限公司 | Microcomputer controller for frequency-conversion air-conditioning system |
| JP3886295B2 (en) * | 1999-06-15 | 2007-02-28 | 松下冷機株式会社 | Power control device and compressor for refrigeration system |
| JP3600781B2 (en) * | 2000-06-06 | 2004-12-15 | 株式会社日立製作所 | Protection device for hermetic electric compressor, hermetic electric compressor and cooling system using the same |
| JP3976512B2 (en) * | 2000-09-29 | 2007-09-19 | サンデン株式会社 | Electric compressor for refrigerant compression |
| FR2817300B1 (en) * | 2000-11-24 | 2005-09-23 | Valeo Climatisation | COMPRESSOR FOR A CLIMATE SYSTEM FOR THE COCKPIT OF A MOTOR VEHICLE |
| JP4259126B2 (en) * | 2003-01-29 | 2009-04-30 | ダイキン工業株式会社 | Rotary compressor |
-
2004
- 2004-07-15 JP JP2004208165A patent/JP4457789B2/en not_active Expired - Fee Related
-
2005
- 2005-07-07 CN CNB2005100832047A patent/CN100436822C/en not_active Expired - Fee Related
- 2005-07-11 ES ES05015025T patent/ES2391179T3/en not_active Expired - Lifetime
- 2005-07-11 EP EP20050015025 patent/EP1617081B1/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102203418A (en) * | 2008-11-06 | 2011-09-28 | 三电有限公司 | Inverter-integrated electric compressor |
| CN102203418B (en) * | 2008-11-06 | 2014-07-30 | 三电有限公司 | Inverter-integrated electric compressor |
| CN102536738A (en) * | 2010-12-02 | 2012-07-04 | 株式会社丰田自动织机 | Electric compressor |
| US8939739B2 (en) | 2010-12-02 | 2015-01-27 | Kabushiki Kaisha Toyota Jidoshokki | Electric compressor |
| CN102536738B (en) * | 2010-12-02 | 2015-04-01 | 株式会社丰田自动织机 | Electric compressor |
| CN105275573A (en) * | 2014-07-15 | 2016-01-27 | 博格华纳公司 | Coolant pump with heat sinking to coolant |
| CN112448595A (en) * | 2019-08-27 | 2021-03-05 | 株洲中车时代电气股份有限公司 | Current transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100436822C (en) | 2008-11-26 |
| EP1617081A2 (en) | 2006-01-18 |
| JP2006029175A (en) | 2006-02-02 |
| EP1617081A3 (en) | 2011-01-26 |
| JP4457789B2 (en) | 2010-04-28 |
| ES2391179T3 (en) | 2012-11-22 |
| EP1617081B1 (en) | 2012-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3838204B2 (en) | Electric compressor and assembling method of electric compressor | |
| CN1721701A (en) | Hermetic Electric Compressor | |
| CN1098977C (en) | Turbo compressor | |
| US8118564B2 (en) | Motor-driven compressor | |
| US7887306B2 (en) | Linear compressor | |
| CN1815018A (en) | Reciprocating compressor and refrigerator having the same | |
| CN1356019A (en) | Power controller and compressor for refrigeration system | |
| CN1508428A (en) | Electric compressor with exchanger | |
| CN103348138A (en) | Inverter-integrated electric compressor | |
| JP2004100683A (en) | Electric compressor | |
| CN1427151A (en) | Reciprocating compressor | |
| CN1228546C (en) | Reciprocating compressor | |
| JP4699085B2 (en) | Electric compressor for vehicles | |
| CN100459394C (en) | Control unit and compressor used thereby | |
| CN1227458C (en) | Reciprocating compressor | |
| CN1773115A (en) | Hermetic Electric Compressor | |
| JP2006316755A (en) | Vehicular motor-driven compressor | |
| CN222799313U (en) | A Stirling refrigerator with an upper opening | |
| CN218154480U (en) | Multi-split air conditioner indoor unit and multi-split air conditioner | |
| CN1144002C (en) | Pulse Tube Refrigerator | |
| JP4858605B2 (en) | Hermetic electric compressor | |
| KR20100018227A (en) | Invertor housing for electric compressor | |
| JP5201124B2 (en) | Hermetic electric compressor | |
| JP2004324494A (en) | Electric compressor | |
| JP2019002282A (en) | Inverter-integrated electric compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20110707 |