CN204808742U - Automatic air conditioner experiment bench of simulation car - Google Patents
Automatic air conditioner experiment bench of simulation car Download PDFInfo
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- CN204808742U CN204808742U CN201520528386.3U CN201520528386U CN204808742U CN 204808742 U CN204808742 U CN 204808742U CN 201520528386 U CN201520528386 U CN 201520528386U CN 204808742 U CN204808742 U CN 204808742U
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- input end
- normally opened
- accumulator
- relay
- positive terminal
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- 238000002474 experimental method Methods 0.000 title abstract description 5
- 238000004088 simulation Methods 0.000 title abstract description 3
- 238000004378 air conditioning Methods 0.000 claims abstract description 16
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004821 Contact adhesive Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an automatic air conditioner experiment rack of simulation car, include: the positive end of the storage battery is respectively connected with the air conditioner amplifier and the blower motor with the rotating speed control; the input end of a coil of the normally open relay is connected with the positive end of the storage battery through an ignition switch, a moving contact of a normally open contact of the normally open relay is connected with the positive end of the storage battery, and a static contact of the normally open relay is connected with the direct current motor through a slide rheostat; and the input end of the air conditioner controller is connected with the positive end of the storage battery through the ignition switch, and the output end of the air conditioner controller is connected with the first control input end of the air conditioner amplifier. The experiment bench of the utility model can visually and strikingly display the working process of the automatic air conditioning system of the automobile and the intrinsic cause and effect relationship among the systems, and has simple structure, small volume and low cost; the use is safe, environment-friendly and economical; is provided with a measuring terminal, thereby being convenient for the detection and teaching requirements.
Description
Technical field
The utility model relates to a kind of simulated automotive automatic air condition experimental stand.
Background technology
Air conditioning for automobiles refers to the device regulated the air quality in car compartment, its major function is that temperature, humidity, flow velocity, cleanliness, flow pattern and the air inlet pattern etc. to car room air regulate, to improve comfortableness, its basic task is the adjustment of temperature.Automobile air conditioning refrigerating system is that each circulation has Four processes: compression process, condensation process, expansion process, evaporation process by being made by engine driven compressor the refrigerant be stored in sealed refrigeration systems constantly circulate and making its phase change and produce refrigeration; In condensation process, refrigerant becomes liquid by gas and outwardly dispels the heat in condenser; In evaporation process, refrigerant becomes gas heat absorption by liquid in evaporator, reduces the temperature around evaporator, and fan blower will to be sent into through the air of evaporator in car thus reached the object reducing vehicle interior temperature.Air conditioning for automobiles heating system generally adopts the waste heat of engine cooling water as thermal source; Motor bus or sedan limousine then adopt engine cooling water waste heat and fuel or electricity to cooperatively interact as thermal source, to improve the reliability of heating system, reach the object of heating fast.
Along with the widespread use of electron controls technology on automobile, at present, the air conditioning for automobiles of increasing automobile particularly car all adopts micro computer to control, and carry out data transmission, communication by CAN-BUS bus between each microcomputer control system, to realize the coordinated operation of automotive air-conditioning system and other control system.And the mechanical part of micro-processor controlled automatic air condition and common air-conditioning are consistent substantially, its key distinction is the control system at air-conditioning.Its basic controlling theory is: by the signal such as pressure, engine water temperature of design temperature, vehicle interior temperature, environment temperature, evaporator temperature, intensity of solar radiation, refrigeration system high pressure end in each sensor inspection vehicle, the discharge capacity (for variable compressor) during automatic control compressor work or the adhesive of electromagnetic clutch, the rotating speed regulating fan blower, adjustment streamer mode etc.; Meanwhile, carry out data transmission, communication by CAN-H line, CAN-L line and control unit of engine etc., to enable each system co-ordination, guarantee that each system is all in best duty.
And existing air conditioning for automobiles experimental stand generally adopts real parts to make, existing refrigeration, heating, distribution, control system, also to have and drive the electric system of compressor operating, cause that whole experimental stand is bulky, cost of manufacture is expensive, also have impact to safety during experiment, environmental protection; And air conditioning for automobiles experimental stand is all often form system separately, its impact on other control system (as engine control system) can not be reflected when testing, inherent cause-effect relationship between each system can not be shown, cause student to be difficult to get a real idea of grasp relevant knowledge and technical ability.
Utility model content
The utility model object is that the defect existed for prior art provides a kind of simulated automotive automatic air condition experimental stand.
The utility model for achieving the above object, adopts following technical scheme: a kind of simulated automotive automatic air condition experimental stand, comprising:
Accumulator, its positive terminal is connected with A/C amplifier and the blower motor of being with rotating speed to control respectively;
Normally opened relay, the input end of its coil is connected with the positive terminal of accumulator by ignition switch, and the moving contact of its normally opened contact switch is connected with the positive terminal of described accumulator, and the stationary contact of its normally opened contact switch is connected with direct current generator by slide rheostat;
Air-conditioner controller, its input end is connected with the positive terminal of accumulator by described ignition switch, and its output terminal is connected with the first control input end of A/C amplifier;
Control unit of engine, its first working power input end is connected with the positive terminal of accumulator by ignition switch, and its second working power input end is connected with the positive terminal of accumulator by the normally opened contact switch of EFI main relay; Wherein, first signal input part of described control unit of engine is connected with cooling-water temperature sensor, its secondary signal input end is connected with engine speed sensor, its first signal output part is connected with the coil of EFI main relay, and its secondary signal output terminal is connected with the second control input end of A/C amplifier;
A/C amplifier, its the first signal input part and indoor temperature transmitter, dqm signal input end and air-conditioning sunshine recorder, its the 3rd signal input part and evaporator temperature sensor, its the 4th signal input part is connected with pressure transducer, the blower motor control input end that its first signal output part controls with band rotating speed is connected, the coil input end that its secondary signal output terminal adds electrothermal relay with a PTC is connected, the coil input end that its 3rd signal output part and the 2nd PTC add electrothermal relay is connected, the coil input end that its 3rd signal output part and the 3rd PTC add electrothermal relay is connected, wherein, the moving contact of normally opened contact switch that a described PTC adds electrothermal relay is connected with the positive terminal of accumulator, and the stationary contact of its normally opened contact switch is connected with the first relay indicating light, the moving contact of normally opened contact switch that described 2nd PTC adds electrothermal relay is connected with the positive terminal of accumulator, and the stationary contact of its normally opened contact switch is connected with the second relay indicating light, the moving contact of normally opened contact switch that described 3rd PTC adds electrothermal relay is connected with the positive terminal of accumulator, and the stationary contact of its normally opened contact switch is connected with the 3rd relay indicating light,
First master control output terminal of described A/C amplifier is connected with the compressor of air conditioner relay indicating light by Duty ratio control, its second master control output terminal respectively with the driver side air blender door servomotor of band intelligent controller, the airdoor control servomotor and be with the inlet flap of intelligent controller to control servomotor to be connected of giving vent to anger being with the occupant side air blender door servomotor of intelligent controller, being with intelligent controller.
The beneficial effects of the utility model: experimental stand of the present utility model is virtual auto Air Conditioner Comprehensive Experiment stand, it is based on automatic air condition experimental stand, eliminate the mechanical systems such as numerous and diverse refrigeration, heating, distribution, make whole stand easy to operate, the course of work is vivid, direct; Experimental stand of the present utility model can inherent cause-effect relationship intuitively, observably between the course of work of display automobile automatic air-conditioning system and each system, and its structure is simple, volume is little, cost is low; Safety, environmental protection, economy during use; Be furnished with measurement terminal, be convenient to detect and teaching needs.
Accompanying drawing explanation
Fig. 1 is principle of work and power schematic diagram of the present utility model.
Embodiment
Shown in Fig. 1, be a kind of simulated automotive automatic air condition experimental stand of the present utility model, its concrete structure comprises:
Accumulator 2, its positive terminal is connected with A/C amplifier 28 and the blower motor 18 of being with rotating speed to control respectively;
Normally opened relay 5, the input end of its coil is connected with the positive terminal of accumulator 2 by ignition switch 4, the moving contact of its normally opened contact switch is connected with the positive terminal of described accumulator 2, and the stationary contact of its normally opened contact switch is connected with direct current generator 3 by slide rheostat 1;
Air-conditioner controller 24, its input end is connected with the positive terminal of accumulator 2 by described ignition switch 4, and its output terminal is connected with the first control input end of A/C amplifier 28;
Control unit of engine 25, its first working power input end is connected with the positive terminal of accumulator 2 by ignition switch 4, and its second working power input end is connected with the positive terminal of accumulator 2 by the normally opened contact switch of EFI main relay 16; Wherein, first signal input part of described control unit of engine 25 is connected with cooling-water temperature sensor 14, its secondary signal input end is connected with engine speed sensor 15, its first signal output part is connected with the coil of EFI main relay 16, and its secondary signal output terminal is connected with the second control input end of A/C amplifier 26;
A/C amplifier 26, its first signal input part and indoor temperature transmitter 6, dqm signal input end and air-conditioning sunshine recorder 7, its the 3rd signal input part and evaporator temperature sensor 8, its the 4th signal input part is connected with pressure transducer 9, blower motor 18 control input end that its first signal output part controls with band rotating speed is connected, the coil input end that its secondary signal output terminal adds electrothermal relay 17 with a PTC is connected, the coil input end that its 3rd signal output part and the 2nd PTC add electrothermal relay 19 is connected, the coil input end that its 3rd signal output part and the 3rd PTC add electrothermal relay 22 is connected, wherein, the moving contact that a described PTC adds the normally opened contact switch of electrothermal relay 17 is connected with the positive terminal of accumulator 2, and the stationary contact of its normally opened contact switch is connected with the first relay indicating light 21, the moving contact that described 2nd PTC adds the normally opened contact switch of electrothermal relay 19 is connected with the positive terminal of accumulator 2, and the stationary contact of its normally opened contact switch is connected with the second relay indicating light 20, the moving contact that described 3rd PTC adds the normally opened contact of electrothermal relay 22 is connected with the positive terminal of accumulator 2, and the stationary contact of its normally opened contact switch is connected with the 3rd relay indicating light 23,
First master control output terminal of described A/C amplifier 26 is connected with the compressor of air conditioner relay indicating light 27 by Duty ratio control, its second master control output terminal respectively with the driver side air blender door servomotor 10 of band intelligent controller, the airdoor control servomotor 12 and be with the inlet flap of intelligent controller to control servomotor 13 to be connected of giving vent to anger being with the occupant side air blender door servomotor 11 of intelligent controller, being with intelligent controller.
Installation site and the effect of above-mentioned main sensors are as follows: engine speed sensor 15 is arranged on the bent axle of engine 3, and pressure transducer 9 is arranged on the high-pressure side of refrigeration pipe, detects the pressure of refrigeration system high pressure end; Indoor temperature transmitter 6 is arranged on car indoor, detects the true temperature in car; Air-conditioning sunshine recorder 7 is arranged on windshield glass position, detects sun sunlight strength; Evaporator temperature sensor 8 is arranged on the surface of evaporator, detects the temperature of evaporator surface.
Wherein, slide rheostat 1 is arranged in the below of gas pedal, links with gas pedal, when step on the throttle pedal time, its resistance reduce, engine speed raise, otherwise, its resistance increase, engine speed decline.
During work, related control information is sent to A/C amplifier 26 by air-conditioner controller 24 by driver; Meanwhile, related feedback information is also transferred to air-conditioner controller 24 by A/C amplifier 26 by Lin line, and can be shown by the control panel of band numerical monitor.During practical operation, control panel and air-conditioner controller 24 integral type can be arranged.
When ignition switch 4 closes, control unit of engine 25, air-conditioner controller 24, A/C amplifier 26 all receive the signal of ignition switch 4, the switch contact adhesive of normally opened relay 5, direct current generator 3 according to the position of gas pedal with certain rotational speed, and provide tach signal, by the adhesive of control unit of engine 25 control EFI main relay 16 to control unit of engine 25 by engine speed sensor 15; Now, accumulator 2 directly provides working power to control unit of engine 25 by EFI main relay 16.Cooling-water temperature sensor 14 can provide water temperature signal according to the resistance of its adjustment to control unit of engine 25; Various transducing signal is all transferred to A/C amplifier 26 by control unit of engine 25 by CAN above.And A/C amplifier 26 is according to above-mentioned each sensor signal and each operating key signal, by analyzing, calculating, determine whether best compressor discharge rate, temperature-adjusting door position, blower speed, streamer mode, air inlet pattern and well heater work, and controlled by corresponding executive component.
Wherein, indoor temperature transmitter 6, air-conditioning sunshine recorder 7, evaporator temperature sensor 8, pressure transducer 9, cooling-water temperature sensor 14 all can replace with the variable resistor with appropriate resistance scope, and different resistance values can simulate corresponding signal.A/C amplifier 26 is by controlling the adhesive that a PTC adds electrothermal relay 17, the 2nd PTC adds electrothermal relay 19, the 3rd PTC adds electrothermal relay 22 respectively, control the course of work of corresponding first relay indicating light 21, second relay indicating light 20, the 3rd relay indicating light 23 simulation heating device, represent well heater work When lit.
In addition, the dutycycle that A/C amplifier 26 exports can control the course of work that compressor of air conditioner relay indicating light 27 simulates compressor of air conditioner, compressor of air conditioner relay indicating light 27 with different frequency representations by different Duty ratio controls, and then make the solenoid valve of control compressor be in different apertures, the discharge capacity of compressor is controlled with this; Namely this compressor is variable compressor.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. a simulated automotive automatic air condition experimental stand, is characterized in that, comprising:
Accumulator (2), its positive terminal is connected with A/C amplifier (28) and the blower motor (18) of being with rotating speed to control respectively;
Normally opened relay (5), the input end of its coil is connected with the positive terminal of accumulator (2) by ignition switch (4), the moving contact of its normally opened contact is connected with the positive terminal of described accumulator (2), and the stationary contact of its normally opened contact is connected with direct current generator (3) by slide rheostat (1);
Air-conditioner controller (24), its input end is connected by the positive terminal of described ignition switch (4) with accumulator (2), and its output terminal is connected with the first control input end of A/C amplifier (28);
Control unit of engine (25), its the first working power input end is connected with the positive terminal of accumulator (2) by ignition switch (4), and its second working power input end is connected with the positive terminal of accumulator (2) by the normally opened contact switch of EFI main relay (16); Wherein, first signal input part of described control unit of engine (25) is connected with cooling-water temperature sensor (14), its secondary signal input end is connected with engine speed sensor (15), its first signal output part is connected with the coil of EFI main relay (16), and its secondary signal output terminal is connected with the second control input end of A/C amplifier (26);
A/C amplifier (26), its first signal input part and indoor temperature transmitter (6), dqm signal input end and air-conditioning sunshine recorder (7), its the 3rd signal input part and evaporator temperature sensor (8), its the 4th signal input part is connected with pressure transducer (9), blower motor (18) control input end that its first signal output part controls with band rotating speed is connected, the coil input end that its secondary signal output terminal adds electrothermal relay (17) with a PTC is connected, the coil input end that its 3rd signal output part and the 2nd PTC add electrothermal relay (19) is connected, the coil input end that its 3rd signal output part and the 3rd PTC add electrothermal relay (22) is connected, wherein, the moving contact that a described PTC adds the normally opened contact switch of electrothermal relay (17) is connected with the positive terminal of accumulator (2), and the stationary contact of its normally opened contact switch is connected with the first relay indicating light (21), the moving contact that described 2nd PTC adds the normally opened contact switch of electrothermal relay (19) is connected with the positive terminal of accumulator (2), and the stationary contact of its normally opened contact switch is connected with the second relay indicating light (20), the moving contact that described 3rd PTC adds the normally opened contact switch of electrothermal relay (22) is connected with the positive terminal of accumulator (2), and the stationary contact of its normally opened contact switch is connected with the 3rd relay indicating light (23),
First master control output terminal of described A/C amplifier (26) is connected with the compressor of air conditioner relay indicating light (27) by Duty ratio control, its second master control output terminal respectively with the airdoor control servomotor (12) and be with the inlet flap of intelligent controller to control servomotor (13) to be connected of giving vent to anger being with driver side air blender door servomotor (10) of intelligent controller, be with occupant side air blender door servomotor (11) of intelligent controller, be with intelligent controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528386.3U CN204808742U (en) | 2015-07-15 | 2015-07-15 | Automatic air conditioner experiment bench of simulation car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528386.3U CN204808742U (en) | 2015-07-15 | 2015-07-15 | Automatic air conditioner experiment bench of simulation car |
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| Publication Number | Publication Date |
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| CN204808742U true CN204808742U (en) | 2015-11-25 |
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| CN201520528386.3U Expired - Fee Related CN204808742U (en) | 2015-07-15 | 2015-07-15 | Automatic air conditioner experiment bench of simulation car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992609A (en) * | 2015-07-15 | 2015-10-21 | 无锡商业职业技术学院 | Simulated automobile-automatic-air-conditioner experiment bench |
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2015
- 2015-07-15 CN CN201520528386.3U patent/CN204808742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104992609A (en) * | 2015-07-15 | 2015-10-21 | 无锡商业职业技术学院 | Simulated automobile-automatic-air-conditioner experiment bench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160715 |