AU2017258829B2 - Detachable boiling point detector for brake fluid - Google Patents
Detachable boiling point detector for brake fluid Download PDFInfo
- Publication number
- AU2017258829B2 AU2017258829B2 AU2017258829A AU2017258829A AU2017258829B2 AU 2017258829 B2 AU2017258829 B2 AU 2017258829B2 AU 2017258829 A AU2017258829 A AU 2017258829A AU 2017258829 A AU2017258829 A AU 2017258829A AU 2017258829 B2 AU2017258829 B2 AU 2017258829B2
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- Prior art keywords
- circuit board
- temperature
- assembled
- brake fluid
- port
- 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.)
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A detachable boiling point detector for brake fluid includes a holding
portion and a detecting portion connected to the holding portion. The holding
portion has a connecting portion, and an assembling end of the detecting portion
is detachably connected to the connecting portion. The detecting portion has a
heater and a temperature sensor which are connected to a first port. A first
circuit board and a second circuit board are assembled in the holding portion and
spaced by a distance. A second port is assembled on the second circuit board
and facing the detecting portion. The first port is detachably combined with the
second port.
1/9
19
1111
144
2521
15
18 47
42 -35
- 32
112
41 321
46 41
333 331
332 334
38 34 342
43 - \A37
343
FIG. 1
Description
1/9
19
1111
144
2521
18 47
42 -35 - 32 112
41 321 46 41 333 331 332 334 38 34 342
43 - \A37 343
FIG. 1
Field of the Invention
The present invention relates to the structure of a boiling point detector for
brake fluid, in particular to a detachable boiling point detector for brake fluid.
Description of the Prior Art
As shown in Fig. 8, a conventional boiling point detector for brake fluid
includes a testing machine 81 and a testing bar 82. A heater and a thermometer
are assembled in the testing bar 82. In operation, the testing bar 82 is immersed
into a brake fluid A and the brake fluid is heated A to be boiling by the heater.
Hence, the thermometer measures the boiling point of the brake fluid A to check
if the brake oil A turns deteriorated.
However, in the conventional, the testing bar 82 and the testing machine 81
are firmly connected with each other and cannot be separated from each other,
and the testing bar 82 has to be contact with the brake fluid in high temperature
frequently and may be broken easily. As a result, repairing the conventional
detector is neither easy nor convenient.
Moreover, in the conventional, the detection may be interfered by the noises
of the electronic components within the testing machine 81 during the operation,
the heat, or the environment temperature, and the accuracy of the detector may be insufficient.
As shown in Fig. 9, another conventional boiling point detector for brake
fluid is illustrated. The detector has a handle 91 and a detecting bar 92
vertically connected to the handle 91. A mechanical thermometer 93 is
assembled on the handle 91, and the thermometer 93 has a probe 931 extending
toward the interior of the detecting bar 92. A heater 95 is assembled in the
detecting bar 92 and connected to a motherboard 94.
Since the probe 931 cannot be detached from the thermometer 93 and the
heater 95 cannot be detached from the motherboard 94, the detecting bar 92
cannot be detached from the handle 91 easily, and the package of the product
would have a moderate volume. Furthermore, the detecting bar 92 cannot be
disassembled easily for replacing the heater 95.
Moreover, even though the mechanical thermometer 93 has less noise
interferences, the accuracy of the measurement of the mechanical thermometer is
apparently worse than that of the electronic thermometer.
Therefore, how to solve the problem is an issue.
Reference to any prior art in this specification does not constitute an
admission that such prior art forms part of the common general knowledge.
Accordingly in one form of the invention there is provided a detachable
boiling point detector for brake fluid, said detachable boiling point detector for
brake fluid including:
a holding portion and a detecting portion connected to the holding
portion, a receiving space formed in the holding portion and a first circuit
board assembled in the receiving space, the first circuit board having a switch
being controllable out of the holding portion, a heater assembled to the
detecting portion;
wherein one side of the holding portion has a connecting portion, the
detecting portion has an assembling end and a detecting end opposite to the
assembling end, the assembling end is detachably connected to the connecting
portion, the heater and a first temperature sensor are assembled on the
detecting end, the heater and the first temperature sensor are connected to a
first port located at the assembling end via a wire, respectively, a second
circuit board is assembled in the receiving space of the holding portion and
adjacent to the connecting portion, and the second circuit board is electrically
connected to the first circuit board, a distance is between the second circuit
board and the first circuit board, the second circuit board has a first side
surface facing the connecting portion, and a second port is assembled on the
first side surface of the second circuit board, the first port is detachably combined with the second port, and wherein when the detecting portion is connected to the holding portion, the first port and the second port are combined with each other at a connection between the assembling end and the connecting portion.
Therefore, the volume of the package of the detector can be reduced and
repairing the detector is easy and convenient.
Another object of the present invention is to provide a detachable boiling
point detector for brake fluid. The detector is prone to be interfered by neither
the noises and the heat generated by the electronic components in the detector
during the operation nor the ambient temperature. Therefore, the detection
accuracy of the detector is improved.
Yet another object of the present invention is to provide a detachable boiling
point detector for brake fluid. Wherein, the vapor of the brake fluid generated
by heating the brake fluid to the boiling point would not apply adversely
influences to the electronic components in the holding portion.
In view of these, a detachable boiling point detector for brake fluid is
provided and the detector includes a holding portion and a detecting portion
connected to the holding portion. A receiving space is formed in the holding
portion. A first circuit board is assembled in the receiving space. The first
circuit board has a switch being controllable out of the holding portion. A
heater is assembled to the detecting portion. Wherein, one side of the holding
portion has a connecting portion. The detecting portion has an assembling end
and a detecting end opposite to the assembling end. The assembling end is detachably connected to the connecting portion. The heater and a first temperature sensor is assembled on the detecting end. The heater and the first temperature sensor are connected to a first port located at the assembling end via a wire, respectively. A second circuit board is assembled in the receiving space of the holding portion and adjacent to the connecting portion. The second circuit board is electrically connected to the first circuit board. A distance is between the second circuit board and the first circuit board. The second circuit board has a first side surface facing the connecting portion, and a second port is assembled on the first side surface of the second circuit board. The first port is detachably combined with the second port. Wherein, when the detecting portion is connected to the holding portion, the first port and the second port are combined with each other at a connection between the assembling end and the connecting portion.
In one embodiment, two ends of the connecting portion are hollowed. The
holding portion has a head portion, and one side of the head portion has a
protruding portion adjacent to the connecting portion. A chamber is formed in
the protruding portion and in communication with the receiving space and the
connecting portion. The second circuit board is assembled in the chamber to
block the receiving space from communicating with the connecting portion.
Furthermore, the assembling end of the detecting portion is detachably fitted
over the connecting portion and fastened by a locking member.
In one embodiment, the second circuit board has a second side surface
distant from the connecting portion. A second temperature sensor, a temperature compensation component, and a temperature signal amplifier are assembled on the second side surface of the second circuit board. Wherein, when a temperature detected by the first temperature sensor is transmitted to the second circuit board, the second temperature sensor on the second circuit board detects a temperature on the second circuit board. The temperature compensation component performs a temperature compensation process to obtain a compensated temperature according to a difference between the temperature detected by the first temperature sensor and the temperature detected by the second temperature sensor. The temperature signal amplifier amplifies a temperature signal of the compensated temperature and transmits the amplified signal to the first circuit board, and a detection result is displayed on a display.
In one embodiment, the detecting portion includes a sleeve member, a plug,
and a cover. Two ends of the sleeve member are hollowed and tubular shaped.
One end of the sleeve member forms the assembling end. The plug has a first
extending portion and a second extending portion extending opposite to the first
extending portion. An engaging block is protruding from the first extending
portion. The first extending portion of the plug is assembled in the sleeve
member. The engaging block of the plug is engaged with an engaging groove of
the sleeve member. A copper pipe is fitted over the second extending portion of
the plug. The copper pipe has an opening, and a first heating space is formed in
the copper pipe. The cover is hollowed and is fitted over the sleeve member to
cover the plug and the copper pipe to form the detecting end.
Furthermore, a second heating space is formed between the cover and the copper pipe. A notch is recessed form the second extending portion of the plug and in communication with the first heating space and the second heating space.
Furthermore, two conductive tubes are passing through the plug. The two
conductive tubes are spaced from and aligned parallel with each other. One of
two ends of each of the two conductive tubes is extending out of the first
extending portion to form a first end toward the sleeve member, and the other end
of each of the two conductive tubes is extending out of the second extending
portion to form a second end distant from the sleeve member. The first ends of
the two conductive tubes are connected to the first port at the assembling end via
the wire of the heater. Two inserting ends of the heater are respectively inserted
into and fastened with the second ends of the two conductive tubes.
The purposes and the advantages of the present invention can be understood
from the embodiments and the drawings.
Fig. 1 illustrates an exploded view of a detachable boiling point detector for
brake fluid according to a preferred embodiment of the present invention;
Fig. 2 illustrates a perspective view of the detachable boiling point detector
for brake fluid according to a preferred embodiment of the present invention;
Fig. 3 illustrates a cross-sectional view along line A-A shown in Fig. 2;
Fig. 4 illustrates a cross-sectional view along line B-B shown in Fig. 2;
Fig. 5 illustrates an enlarged cross-sectional view along line B-B shown in
Fig. 2;
Fig. 6 illustrates an assembled view of a holding portion and a detecting
portion of the detachable boiling point detector for brake fluid according to a
preferred embodiment of the present invention;
Fig. 7 illustrates an operational schematic view of the detachable boiling
point detector for brake fluid according to a preferred embodiment of the present
invention;
Fig. 8 illustrates a structural view of a conventional boiling point detector of
the prior art for brake fluid; and
Fig. 9 illustrates a structural view of another conventional boiling point
detector of the prior art for brake fluid.
Please refer to Figs. 1 to 3. In this embodiment, the detector includes a
holding portion 11 and a detecting portion 31 vertically connected to the holding
portion 11. The holding portion 11 is formed by combining a first housing 111
with a second housing 112, so that a receiving space 12 is formed in the holding
portion 11. A first circuit board 13 is assembled in the receiving space 12.
The first circuit board 13 has a switch 14, and the user can control the switch 14
out of the first housing 111 of the holding portion 11. The first circuit board 13
is electrically connected to a power wire 15. The holding portion 11 has a head
portion 16. One of two sides of the head portion 16 has a protruding portion 17 and a connecting portion 18 adjacent to the protruding portion 17, and two ends of the connecting portion 18 are hollowed. The other side of the head portion 16 has a display 19. A chamber 171 is formed in the protruding portion 17 and in communication with the receiving space 12 and the connecting portion 18. A second circuit board 21 is assembled in the chamber 171 and electrically connected to the first circuit board 13. A distance d is between the first circuit board 13 and the second circuit board 21. The profile of the second circuit board 21 matches with the shape of the chamber 171 to block the receiving space
12 from communicating with the connecting portion 18. One of two side
surfaces of the second circuit board 21 faces the connecting portion 18, and the
side surface 211 of the second circuit board 21 has a second port 22. A second
temperature sensor 23, a temperature compensation component 24, and a
temperature signal amplifier 25 are assembled on the other side surface 212 of the
second circuit board 21.
The detecting portion 31 includes a sleeve member 32, a plug 33, and a
cover 34. Two ends of the sleeve member 32 are hollowed and tubular shaped.
The sleeve member 32 has an assembling end 331 detachably fitted over the
connecting portion 18 and fastened by a locking member 47. The plug 33 has a
first extending portion 331 and a second extending portion 332 extending
opposite to the first extending portion 331. An engaging block 333 is protruding
from the first extending portion 331. The first extending portion 331 of the plug
33 is assembled in the sleeve member 32. The engaging block 333 of the plug
33 is engaged with an engaging groove 321 of the sleeve member 32. A copper pipe 36 is fitted over the second extending portion 332 of the plug 33. The copper pipe 36 has an opening 361 and a first heating space 362 is formed in the copper pipe 36. The cover 34 is hollowed and is fitted over the sleeve member
32 to cover the plug 33 and the copper pipe 36 to form a detecting end 37
extending opposite from the assembling end 35.
Please refer to Fig. 4. A second heating space 341 is formed between the
cover 34 and the copper pipe 36. The cover 34 has a first through hole 342 and
a second through hole 343. The first through hole 342 and the second through
hole 343 are respectively in communication with the second heating space 341.
The first through hole 342 is located at one end of the cover 34 and distant from
the sleeve member 32, and the second through hole 343 is located on a portion of
the cover 34 and adjacent to the plug 33. A notch 334 is recessed from the
second extending portion 332 of the plug 33 and in communication with the first
heating space 362 and the second heating space 341 for allowing the reflow of the
vapor of the brake fluid.
Please refer to Fig. 5. Two conductive tubes 38 are passing through the
plug 33 and the two conductive tubes 38 are spaced from and aligned parallel
with each other. Two ends of each of the two conductive tubes 38 are
respectively extending out of the first extending portion 331 and the second
extending portion 332 to form a first end 381 toward the sleeve member 32 and a
second end 382 distant from the sleeve member 32. The first ends 381 of the
two conductive tubes 38 are connected to a first port 42 at the assembling end 35
via wires 41. The first port 42 is provided for connecting to a second port 22 of the second circuit board 21. The second ends 382 of the two conductive tubes
38 are connected to a heater 43. In this embodiment, the first port 42 and the
second port 22 are respectively the conventional plug connector and receptacle
connector. In this embodiment, the heater 43 has two inserting ends 44
respectively inserted into and fastened with the second ends 382 of the two
conductive tubes 38. The wires 41 are inserted into the first ends 381 of the two
conductive tubes 38. Therefore, the heater 43 can be assembled with the
detector quickly. The plug 33 has a through hole 335, and the through hole 335
is defined through an axial direction of the plug 33. A first temperature sensor
45 is assembled in the through hole 335 and in communication with the first
heating space 362, and the first temperature sensor 45 is connected to the first
port 42 via a wire 46.
Please refer to Fig. 6. The assembling end 35 of the detecting portion 31 is
detachably fitted over the connecting portion 18 of the holding portion 11. In
this embodiment, the first port 42 and the second port 22 are respectively a plug
connector and a receptacle connector. Therefore, the first port 42 and the
second port 22 are combined with each other at a connection between the
assembling end 35 and the connecting portion 18 when the detecting portion 31 is
connected to the holding portion 11. Accordingly, when the heater 43 or other
electronic components in the detecting portion 31 is damaged, a user can just
detach the detecting portion 31 from the connecting portion 18 and detach the
first port 42 from the second port 22 for replacing a new detecting portion 31.
Furthermore, when the detector is not in use or need to be packaged, the detecting portion 31 and the holding portion 11 can be detached from each other to reduce the volume and the occupied space of the detector.
Please refer to Fig. 7. In operation, the detecting portion 31 is immersed
into a brake fluid A along a length direction of the detecting portion 31, so that
the brake fluid A enters into the second heating space 341 through the first
through hole 342 and the second through hole 343 of the cover 34, and then the
brake fluid A further enters into the first heating space 36 through the opening
361 of the copper pipe 36. Next, the switch 14 is pressed to allow the heater 43
to heat up the brake fluid A in the first heating space 36, the first temperature
sensor 45 detects a temperature of the brake fluid A heating to the boiling point
and transmits the temperature to the second circuit board 21, and the second
temperature sensor 23 on the second circuit board 21 detects a temperature on the
second circuit board 21. Next, according to the difference between the
temperature detected by the first temperature sensor 45 and the temperature
detected by the second temperature sensor 23, the temperature compensation
component 24 performs a temperature compensation process to remove the
influence of the ambient temperature toward the brake fluid A. Then, the actual
temperature of the brake fluid A is converted into a temperature signal, and the
temperature signal is amplified by the temperature signal amplifier 25 and
transmitted to the first circuit board 13, so that a detection result is displayed on
the display 19.
In the embodiment, the second temperature sensor 23, the temperature
compensation component 24, and the temperature signal amplifier 25 are assembled on the second circuit board 21 distant from the first circuit board 13 by the distance d. Therefore, the noises and the heat generated by the electronic components on the first circuit board 13 during the operation would not affect the temperature determination of the second temperature sensor 23, the temperature compensation component 24, and the temperature signal amplifier 25, thereby improving the accuracy of the measurement.
Furthermore, the second circuit board 21 is assembled in the chamber 171 of
the holding portion 11 to block the receiving space 12 from communicating with
the connecting portion 18. Therefore, when the vapor of the brake fluid
generated by the boiling brake fluid in the sleeve member 32 flows upwardly and
flows to the connecting portion 18, the vapor of the brake fluid is blocked by the
second circuit board 21, so that the electronic components on the first circuit
board 13 can be prevented from being damaged by the vapor of the brake fluid.
In addition, since the second temperature sensor 23, the temperature
compensation component 24, and the temperature signal amplifier 25 are
assembled on the side surface 212 of the second circuit board 21 distant from the
connecting portion 18. Therefore, the accuracy of the detection of the detector
would not be affected by the vapor of the brake fluid.
Claims (7)
1. A detachable boiling point detector for brake fluid including a holding portion
and a detecting portion connected to the holding portion, a receiving space
formed in the holding portion and a first circuit board assembled in the
receiving space, the first circuit board having a switch being controllable out
of the holding portion, a heater assembled to the detecting portion;
wherein one side of the holding portion has a connecting portion, the
detecting portion has an assembling end and a detecting end opposite to the
assembling end, the assembling end is detachably connected to the connecting
portion, the heater and a first temperature sensor are assembled on the
detecting end, the heater and the first temperature sensor are connected to a
first port located at the assembling end via a wire, respectively, a second
circuit board is assembled in the receiving space of the holding portion and
adjacent to the connecting portion, and the second circuit board is electrically
connected to the first circuit board, a distance is between the second circuit
board and the first circuit board, the second circuit board has a first side
surface facing the connecting portion, and a second port is assembled on the
first side surface of the second circuit board, the first port is detachably
combined with the second port, wherein when the detecting portion is
connected to the holding portion, the first port and the second port are
combined with each other at a connection between the assembling end and the
connecting portion; and wherein the detecting portion comprises a sleeve member, a plug, and a cover, the two ends of the sleeve member are hollowed and tubular shaped, one of the two ends of the sleeve member forms the assembling end, the plug has a first extending portion and a second extending portion extending opposite to the first extending portion, an engaging block is protruding from the first extending portion, the first extending portion of the plug is assembled in the sleeve member, the engaging block of the plug is engaged with an engaging groove of the sleeve member, a copper pipe is fitted over the second extending portion of the plug, the copper pipe has an opening, a first heating space is formed in the copper pipe, the cover is hollowed and is fitted over the sleeve member to cover the plug and the copper pipe to form the detecting end.
2. The detachable boiling point detector for brake fluid according to claim 1,
wherein two ends of the connecting portion are hollowed, the holding portion
has a head portion, and one side of the head portion has a protruding portion
adjacent to the connecting portion, a chamber is formed in the protruding
portion and in communication with the receiving space and the connecting
portion, the second circuit board is assembled in the chamber to block the
receiving space from communicating with the connecting portion.
3. The detachable boiling point detector for brake fluid according to claim 2,
wherein the assembling end of the detecting portion is detachably fitted over
the connecting portion and fastened by a locking member.
4. The detachable boiling point detector for brake fluid according to claim 1,
wherein the second circuit board has a second side surface distant from the connecting portion, a second temperature sensor, a temperature compensation component, and a temperature signal amplifier are assembled on the second side surface of the second circuit board, wherein when a temperature detected by the first temperature sensor is transmitted to the second circuit board, the second temperature sensor on the second circuit board detects a temperature on the second circuit board, the temperature compensation component performs a temperature compensation process to obtain a compensated temperature according to a difference between the temperature detected by the first temperature sensor and the temperature detected by the second temperature sensor, the temperature signal amplifier amplifies a temperature signal of the compensated temperature and transmits the amplified signal to the first circuit board, and a detection result is displayed on a display.
5. The detachable boiling point detector for brake fluid according to claim 4,
wherein a second heating space is formed between the cover and the copper
pipe, a notch is recessed from the second extending portion of the plug and in
communication with the first heating space and the second heating space.
6. The detachable boiling point detector for brake fluid according to claim 4,
wherein two conductive tubes are passing through the plug, and the two
conductive tubes are spaced from and aligned parallel with each other, one of
two ends of each of the two conductive tubes is extending out of the first
extending portion to form a first end toward the sleeve member, and the other
end of each of the two conductive tubes is extending out of the second
extending portion to form a second end distant from the sleeve member, the first ends of the two conductive tubes are connected to the first port at the assembling end via the wire of the heater, and two inserting ends of the heater are respectively inserted into and fastened with the second ends of the two conductive tubes.
7. The detachable boiling point detector for brake fluid according to claim 6,
wherein a through hole is defined through an axial direction of the plug, the
first temperature sensor is assembled in the through hole and in
communication with the first heating space, the wire of the first temperature
sensor passes through the through hole to be connected to the first port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2017258829A AU2017258829B2 (en) | 2017-11-07 | 2017-11-07 | Detachable boiling point detector for brake fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2017258829A AU2017258829B2 (en) | 2017-11-07 | 2017-11-07 | Detachable boiling point detector for brake fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2017258829A1 AU2017258829A1 (en) | 2019-05-23 |
| AU2017258829B2 true AU2017258829B2 (en) | 2021-08-12 |
Family
ID=66540463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2017258829A Active AU2017258829B2 (en) | 2017-11-07 | 2017-11-07 | Detachable boiling point detector for brake fluid |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2017258829B2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130016755A1 (en) * | 2011-07-15 | 2013-01-17 | Tien-Tsai Tseng | Examiner for boiling point of brake oil |
| US20160381822A1 (en) * | 2015-06-29 | 2016-12-29 | Rosemount Inc. | Terminal block with sealed interconnect system |
-
2017
- 2017-11-07 AU AU2017258829A patent/AU2017258829B2/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130016755A1 (en) * | 2011-07-15 | 2013-01-17 | Tien-Tsai Tseng | Examiner for boiling point of brake oil |
| US20160381822A1 (en) * | 2015-06-29 | 2016-12-29 | Rosemount Inc. | Terminal block with sealed interconnect system |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2017258829A1 (en) | 2019-05-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| HB | Alteration of name in register |
Owner name: CHUAN JIING ENTERPRISE CO., LTD. Free format text: FORMER NAME(S): CHUAN JIING ENTERPRISES CO., LTD. |
|
| HB | Alteration of name in register |
Owner name: CHUAN JING ENTERPRISE CO., LTD Free format text: FORMER NAME(S): CHUAN JIING ENTERPRISE CO., LTD. |
|
| HB | Alteration of name in register |
Owner name: CHUAN JIING ENTERPRISE CO., LTD Free format text: FORMER NAME(S): CHUAN JING ENTERPRISE CO., LTD |
|
| FGA | Letters patent sealed or granted (standard patent) |