JPS5952330B2 - Air conditioner control circuit - Google Patents

Description

[Detailed description of the invention] The present invention relates to an optimal control method for an air conditioner.

Conventional air conditioners have been oriented from the manufacturer's perspective, and the handling of the equipment has also been functionally oriented, making it difficult for users to operate them.

In addition, users are generally not given indicators of economically advantageous handling methods, and for example, when operating a blower, there are three stages of switching: strong, weak, and weak, which one consumes the most power. It was usually interpreted as strong.

However, in the case of a three-stage switch like this, when the wind is set to weak compared to strong, and when it is set to slight, both capacity and power are reduced, but generally the capacity decreases more than the power consumption, and strong winds are desirable for energy-saving usage.

On the other hand, in some cases, a light breeze is better in evaluating things such as ventilation noise, indoor airflow, and temperature distribution.

In other words, depending on how you use the air conditioner, etc.,
Not only the cooling capacity but also the power consumption differs.

Therefore, the present invention allows the user to set strong, weak, and light wind.
The purpose is to provide a control system that accurately displays and informs the user of energy-saving relationships, which can be used as a reference when setting operation details, thereby encouraging energy-saving driving.

Hereinafter, one embodiment of the present invention will be explained with reference to the drawings.

FIG. 1 is a diagram showing the display state of the operation panel.

101 is an operation panel, 102 is a push button switch for turning the air conditioner on and off, 103 is an air volume setting section, indicating that the slide switch knob 103a is set to strong, and 104 is a cooling capacity setting section, indicating that the setting knob 104a is set to high. 105 indicates that the slide switch knob is set to 29℃ in the room temperature setting section, 106 indicates that the energy saving index digital display section is currently at 100, and 107 indicates the energy saving zone. It's a mark.

For example, the air flow rate is strong 10, weak 8, and slight 6. The cooling capacity is strong 6, weak 8, and slight 10. The room temperature setting is 30°C, 10.29°C, 8.28°C, and 6.
Scores are evaluated such as 27°C, 4.26°C, 2, etc., and the total score is displayed on the display unit 106 provided on either the easily visible outer surface of the air conditioner or the remote control box by means of a digital numerical display or lighting of a lamp. be done.

Furthermore, an operation switch (not shown) such as an energy saving button is provided, thereby providing a means for automatically selecting the set operating conditions so as to be suitable for energy saving.

FIG. 2 is a diagram of the refrigeration cycle.

201 is the compressor 202 is the condenser, 203 is the striped pipe, 204 is the evaporator, C engineering, and C2 bypass valve. Bypass valves C1 and C2 are off and the capacity is normal (large), and bypass valve 01 is on. The capacity is weak (medium), and the capacity is slight (small) when bypass valve 02 is on.

FIG. 3 is a schematic diagram of the power system.

301 is an AC power supply, 302 is an indoor fan, 303 is an outdoor fan, C3 to C5 are phase split capacitors, and 1 is connected to the switch.
~3 is the air volume switch, 1 is strong, K2 is weak, and K3 is fine. Switches 4~6 are cooling active switches, and 4 is fine, K5 is low, and K6 is high. Each of them should be turned on.

FIG. 4 is a block diagram of the control circuit.

401 is a transformer, 402 is a direct current converting circuit, 403 is an IC element for calculation and control, 404 is a switch with relay coils 1 to 6, 405 is a control panel, 406 is an air conditioner operation on/off switch (related to switch 102) ), 4
07 is the air blow selection section, 410 is strong, 411 is weak, 412 is the weak contact, 408 is the cooling capacity selection section, 413 is strong, 41
4 is a weak contact, and 415 is a slight contact.

Reference numeral 409 denotes a thermo setting unit, and when the positions of the segments 416 to 420 are appropriately selected, the corresponding set temperature is calculated by the calculation and control IC element 403.

Reference numeral 421 displays various data as a result of calculation and control using an LED display element via a light emitting diode.

422 is a comparison circuit for thermo control, 423 is an amplifier, 424 to 426 are resistors, and 427 is a thermistor that detects the current temperature and supplies it to the calculation and control IC element 403 as a temperature detection input.

Although the heating capacity setting circuit was not shown,
For example, if electrothermal action is applied, energy-saving control can be achieved by calculating the square proportion of the current.

In this way, by detecting the current temperature and setting each selection section,
Since the energy saving index calculated by the calculation and control IC element 403 is displayed on the LED display element 421,
The user can select the selection section setting for the one with the larger display index.

That is, the present invention allocates points for the energy saving index to each set value such as air flow rate, air conditioning capacity, room thermo set temperature, etc., calculates the points according to the setting state of each setting, and calculates the points. This is a control circuit for an air conditioner that displays calculation results as an energy saving index using digital numbers or lamp lighting on a display provided on either the air conditioner itself or a remote control box.

Thus, according to the present invention, the selection of various operation switches is immediately calculated, and the results are arranged diagrammatically on the operation panel etc. so that they are clearly displayed as an energy saving index by digital numerical values, etc., so that the user can The harmonizer can be operated under optimal conditions.

[Brief explanation of the drawing]

FIG. 1 is a display state diagram of a control panel according to an embodiment of the present invention, FIG. 2 is a refrigeration cycle diagram thereof, FIG. 3 is a schematic diagram of its power system, and FIG. 4 is a control block diagram thereof. 101.406...Operation panel, 102...On/off push button switch, 103...Air volume setting section, 103a is its slide switch knob, 104...Cooling capacity setting section, 104a is its knob, 105... 1 in the room temperature setting section
05a is the knob, 106...Energy saving index digital display section, 107...Energy saving zone, 2
01... Compressor, 202°°° Condenser, 20
3... Fringe tube, 204... Evaporator, C1, C2...
・Bypass valve and its coil, 301... AC power supply, 3
02...Indoor fan, 303...Outdoor fan, 40
1...Transformer, 402...Direct current conversion circuit, 403
... IC element for calculation and control, 404 ... Relay coil, 405 ... Control panel, 407 ... Air blow setting section,
408... Cooling capacity selection section, 409... Thermo setting section, 410-415... Contact, 416-420...
Segment, 421... LED display element, 422...
- Thermo control comparison circuit, 423...Amplifier, 424-426...Resistor, 427...Thermistor.

Claims (1)

[Claims] 1. Assign points for the energy saving index to each setting value such as air flow rate, air conditioning capacity, room thermo set temperature, etc., calculate the points according to the setting status of each setting, and use this calculation result for air conditioning. A control circuit for an air conditioner, characterized in that an energy saving index is displayed on a display section provided on either the main body of the machine or a remote control box using digital values or lighting of a lamp.