CN107757301B - Intelligent cooling and heating adjusting device of automobile air conditioner - Google Patents
Intelligent cooling and heating adjusting device of automobile air conditioner Download PDFInfo
- Publication number
- CN107757301B CN107757301B CN201711169652.8A CN201711169652A CN107757301B CN 107757301 B CN107757301 B CN 107757301B CN 201711169652 A CN201711169652 A CN 201711169652A CN 107757301 B CN107757301 B CN 107757301B
- Authority
- CN
- China
- Prior art keywords
- air door
- relay
- warm air
- air conditioner
- air
- 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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Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 title claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000000498 cooling water Substances 0.000 abstract description 17
- 238000005057 refrigeration Methods 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
- B60H1/00885—Controlling the flow of heating or cooling liquid, e.g. valves or pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an intelligent cooling and heating adjusting device of an automobile air conditioner, which belongs to the field of cooling and heating adjusting devices of automobile air conditioners, and comprises a main loop, a heating air door closing control branch and a heating air door opening control branch, wherein the main loop comprises an ignition switch, an AC switch and an air conditioner relay which are sequentially connected with the anode of a storage battery through circuits; the warm air door closing control branch comprises a warm air door closing control line, an air conditioner control line and a door closing forward rotation connection point of an air door motor, wherein the warm air door closing control line, the air conditioner control line and the door closing forward rotation connection point are connected from a normally open contact of an air conditioner relay; the warm air door opening control branch comprises an warm air door opening control line connected from a normally closed contact of the air conditioner relay, and a warm air machine switch and a coil loop of the warm air relay are sequentially connected in series on the warm air door opening control line. The device improves the control mode, when the fan heater switch is turned off, and when the AC switch is turned on or off, the pipeline from the cooling water of the engine to the heat exchanger is closed; the energy is saved, and the refrigerating efficiency is improved.
Description
Technical Field
The invention relates to a cooling and heating adjusting device of an automobile air conditioner, in particular to an intelligent cooling and heating adjusting device of an automobile air conditioner, which can intelligently block cooling water of an engine to a heat exchanger.
Background
Currently, in summer, the engine cooling water temperature is typically maintained at a temperature of 70 ℃ to 90 ℃ while the vehicle is running. In the heating device formed by the cooling water of the engine flowing through the heat exchanger, the comfort level of people in the vehicle is affected by the heat conducted by the heat exchanger in the season when heating is not needed. When the air conditioner is started for refrigeration, a heating device formed by engine cooling water through the heat exchanger is not closed well, and the heat conducted by the heat exchanger can generate a stuffiness and dryness feeling in the vehicle despite closing the air door of the warm air system, so that the refrigeration effect and comfort in the vehicle are also influenced, a large amount of heat is consumed, and the temperature in the vehicle is influenced. Because the heat exchanger installed in the automobile instrument desk is communicated with the engine water tank, the main function is heating, and the heat exchanger and the evaporator of the air conditioner refrigerating system are installed in the same component of the instrument, and the cooling and heating system is regulated by closing the air door, the natural heat dissipation of the heat exchanger also affects the refrigerating degree and comfort degree in the automobile despite closing the air door, so that the feeling of sultry and dryness can be generated. The utility model patent No. ZL 201220702442.7 "auxiliary refrigeration device for an automotive air conditioner" adopts a solenoid valve to cut off the flow of cooling water from the engine to the heat exchanger, but this technical scheme cuts off the flow of cooling water to the heat exchange as soon as the AC switch is turned on. Because the automobile is frequently started and the AC switch is frequently turned on and off, when the AC switch is turned off, cooling water of the engine circulates in the heat exchanger, and when the AC switch is turned on again, although the electromagnetic valve cuts off a pipeline from the cooling water of the engine to the heat exchanger, waste heat in the heat exchanger still maintains the same temperature as the cooling water of the engine, and a period of time is required to blow the waste heat to cool, so that the comfort level of a cab is affected.
Disclosure of Invention
The invention aims to provide an intelligent cooling and heating adjusting device of an automobile air conditioner, which improves a control mode, when a fan heater switch is closed, no matter an AC switch is opened or closed, a pipeline from engine cooling water to a heat exchanger is closed; the passage of engine cooling water to the heat exchanger is opened only when the fan heater switch is on and the AC switch is off.
The invention provides an intelligent cooling and heating adjusting device of an automobile air conditioner, which comprises a main loop, a heating air door closing control branch and a heating air door opening control branch,
The main loop comprises an ignition switch, an AC switch and an air-conditioning relay which are sequentially connected to the anode of the storage battery through a circuit, wherein a coil loop of the air-conditioning relay is connected to the rear of the AC switch, a control loop of the air-conditioning relay is connected to the front of the AC switch, and the control loop of the air-conditioning relay is provided with a normally closed contact and a normally open contact;
the warm air door closing control branch comprises a warm air door closing control line, an air conditioner control line and a door closing forward rotation connection point of an air door motor, wherein the warm air door closing control line, the air conditioner control line and the door closing forward rotation connection point are connected from a normally open contact of an air conditioner relay;
The warm air door opening control branch comprises an warm air door opening control line connected from a normally closed contact of the air conditioner relay, and a warm air blower switch and a coil loop of the warm air relay are sequentially connected in series on the warm air door opening control line; the positive pole of the control loop of the warm air relay is connected before the AC switch of the main loop, and the negative pole of the control loop is respectively connected with the electromagnetic valve and the door opening reversing connection point of the air door motor through circuits.
Preferably, the negative pole of the coil loop of the air conditioner relay, the negative pole of the coil loop of the warm air relay, the negative pole of the electromagnetic valve and the negative pole of the air door motor are respectively connected with the negative pole of the storage battery through circuits.
The air-conditioning relay is a single-pole double-throw relay; the electromagnetic valve is a normally closed electromagnetic valve.
When the door closing forward rotation connecting point of the air door motor is electrified, the air door motor rotates forward to drive the linkage rod to close the warm air door; when the door opening reverse rotation connecting point of the air door motor is electrified, the air door motor is reversely rotated to drive the linkage rod to open the warm air door, and simultaneously, the evaporator air door is closed.
The invention has the beneficial effects that the control mode is improved, when the fan heater switch is turned off, and when the AC switch is turned on or off, the pipeline from the cooling water of the engine to the heat exchanger is closed; only when closing the AD switch, and the fan heater switch is switched on and is opened the warm air system promptly, can open the pipeline of engine to heat exchanger, let the engine cooling water of higher temperature get into heat exchanger, the effectual following condition of having avoided: when the AC switch is frequently started or frequently turned on and off, the high-temperature cooling water of the engine circulates in the heat exchanger when the AC switch is turned off or turned off, heat transferred to the heat exchanger can be cooled by waste heat of the heat exchanger after a period of time is needed when the AC switch is turned on again, and comfort of a cab is affected. Thus saving energy and improving refrigeration efficiency. The air door motor is provided with a door closing forward rotation connecting point and a door closing forward rotation connecting point, has two movement modes of forward rotation and reverse rotation, can drive the linkage rod to close the warm air door when the motor forward rotates, can drive the linkage rod to open the warm air door when the motor reverse rotates, and simultaneously closes the evaporator air door, thereby being beneficial to saving energy. The warm air relay has the functions of stabilizing and protecting voltage, and the cold and warm adjustment is quick and convenient.
Drawings
FIG. 1 is a circuit diagram of the present invention;
Reference numerals: the air conditioner comprises a storage battery 1, an ignition switch 2, an AC switch 3, an air conditioner relay 5, a fan heater switch 4, a warm air relay 6, an air door motor 7, an electromagnetic valve 8, a normally closed contact A, a normally open contact B, a door closing forward rotation connection point C, a door opening reverse rotation connection point D, a warm air door opening control line a, a warm air door closing control line B and an air conditioner control line e.
Detailed Description
Referring to fig. 1, an embodiment of the present invention is provided, where the embodiment includes a main circuit, a warm air door control branch and a warm air door control branch, the main circuit includes an ignition switch 2, an AC switch 3 and an air conditioning relay sequentially connected to the positive electrode of a storage battery 1 through lines, the coil circuit of the air conditioning relay 5 is connected to the back of the AC switch 3, the control circuit of the air conditioning relay 5 is connected to the front of the AC switch 3, and the control circuit of the air conditioning relay 5 is provided with a normally closed contact a and a normally open contact B; the warm air door closing control branch comprises a warm air door closing control line B, an air conditioner control line e and a door closing forward rotation connection point C of an air door motor 7 which are connected from a normally open contact B of an air conditioner relay 5; the warm air door opening control branch comprises an warm air door opening control line a connected from a normally closed contact A of an air conditioner relay 5, and a coil loop of a warm air blower switch 4 and a warm air relay 6 are sequentially connected in series on the warm air door opening control line; the positive pole of the control loop of the warm air relay 6 is connected before the AC switch 3 of the main loop, and the negative pole of the control loop is respectively connected with the electromagnetic valve 8 and the door opening reversing connection point D of the air door motor 7 through circuits. The negative pole of the coil loop of the air conditioning relay 5, the negative pole of the coil loop of the warm air relay 6, the negative pole of the electromagnetic valve 8 and the negative pole of the air door motor 7 are respectively connected with the negative pole of the storage battery 1 through circuits. The air-conditioning relay 5 is a single-pole double-throw relay. When the door closing forward rotation connection point C of the air door motor 7 is electrified, the air door motor 7 rotates forward to drive the linkage rod to close the warm air door; when the door opening reverse connection point D of the air door motor 7 is electrified, the air door motor 7 reverses to drive the linkage rod to open the warm air door, and simultaneously, the evaporator air door is closed.
When the air conditioner is operated, the ignition switch 2 is turned on, the power supply of the storage battery 1 is connected with the AC switch 3, when the AC switch 3 is pressed down, the power supply flows through a coil loop of the air conditioner relay 5, the coil generates a magnetic field, a normally closed contact A of the air conditioner relay 5 is opened, a normally open contact B is closed, the power supply is connected to a door closing forward rotation connection point C of the air door motor 7, the air door motor 7 is electrified, the air door motor is operated to rotate left to drive the linkage rod to close the warm air door, and the other power supply is simultaneously connected to an air conditioner system control line C; when the AC switch 3 is closed, the coil of the control loop of the air conditioner relay 5 is powered off, the coil magnetic field disappears, the normally open contact B is opened, the normally closed contact A returns, the power supply is communicated with the fan heater switch 4, when the fan heater switch 4 is opened, the power supply leads to the coil loop of the warm air relay 6, the coil generates the magnetic field, the normally open contact of the warm air relay 6 is closed, the electromagnetic valve 8 is opened, engine cooling water enters the heat exchanger for circulation, the other power supply leads to the door opening reverse connection point D of the air door motor 7, the air door motor 7 works, and the reverse right rotation drives the connecting rod to open the warm air door, and the evaporator air door is closed. When the fan heater switch 4 is closed, the warm air relay 6 controls the loop coil to be powered off, the magnetic field disappears, the normally open contact returns, the electromagnetic valve 8 disappears due to the power failure magnetic field, the spring presses down the piston from the valve, the piston returns, the valve is closed, and the pipeline from the cooling water of the engine to the heat exchanger is cut off.
Claims (1)
1. The intelligent cooling and heating regulating device of the automobile air conditioner is characterized by comprising a main loop, a heating air door control branch and a heating air door control branch, wherein the main loop comprises an ignition switch, an AC switch and an air conditioner relay which are sequentially connected to the anode of a storage battery through circuits, a coil loop of the air conditioner relay is connected to the back of the AC switch, a control loop of the air conditioner relay is connected to the front of the AC switch, and a normally closed contact and a normally open contact are arranged on the control loop of the air conditioner relay;
the warm air door closing control branch comprises a warm air door closing control line, an air conditioner control line and a door closing forward rotation connection point of an air door motor, wherein the warm air door closing control line, the air conditioner control line and the door closing forward rotation connection point are connected from a normally open contact of an air conditioner relay;
The warm air door opening control branch comprises an warm air door opening control line connected from a normally closed contact of the air conditioner relay, and a warm air blower switch and a coil loop of the warm air relay are sequentially connected in series on the warm air door opening control line; the positive pole of the control loop of the warm air relay is connected before the AC switch of the main loop, and the negative pole of the control loop is respectively connected with the electromagnetic valve and the door opening reversing connection point of the air door motor through circuits;
The negative electrode of the coil loop of the air conditioner relay, the negative electrode of the coil loop of the warm air relay, the negative electrode of the electromagnetic valve and the negative electrode of the air door motor are respectively connected with the negative electrode of the storage battery through circuits;
The air-conditioning relay is a single-pole double-throw relay; the electromagnetic valve is a normally closed electromagnetic valve;
When the door closing forward rotation connecting point of the air door motor is electrified, the air door motor rotates forward to drive the linkage rod to close the warm air door; when the door opening reverse rotation connecting point of the air door motor is electrified, the air door motor is reversely rotated to drive the linkage rod to open the warm air door, and simultaneously, the evaporator air door is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169652.8A CN107757301B (en) | 2017-11-21 | 2017-11-21 | Intelligent cooling and heating adjusting device of automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711169652.8A CN107757301B (en) | 2017-11-21 | 2017-11-21 | Intelligent cooling and heating adjusting device of automobile air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107757301A CN107757301A (en) | 2018-03-06 |
| CN107757301B true CN107757301B (en) | 2024-06-11 |
Family
ID=61280283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711169652.8A Active CN107757301B (en) | 2017-11-21 | 2017-11-21 | Intelligent cooling and heating adjusting device of automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107757301B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109109621B (en) * | 2018-09-17 | 2022-07-12 | 江永县元杰科技有限公司 | Forced refrigerating device of automobile air conditioner |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06255344A (en) * | 1993-03-04 | 1994-09-13 | Toyo Radiator Co Ltd | Heating apparatus for automobile |
| JPH0891045A (en) * | 1994-09-28 | 1996-04-09 | Nippondenso Co Ltd | Heat pump type air-conditioner for vehicle |
| JP2003314281A (en) * | 2002-04-24 | 2003-11-06 | Mitsubishi Heavy Ind Ltd | Engine coolant circulation system |
| CN202944176U (en) * | 2012-11-30 | 2013-05-22 | 李元杰 | Auxiliary refrigeration device of automobile air conditioner |
| CN203093676U (en) * | 2013-01-31 | 2013-07-31 | 浙江吉利汽车研究院有限公司杭州分公司 | Heating system of hybrid electric vehicle |
| CN203995554U (en) * | 2014-08-24 | 2014-12-10 | 江永县元杰科技有限公司 | The auxiliary cooling operatorless device of air conditioning for automobiles |
| CN204895027U (en) * | 2015-08-12 | 2015-12-23 | 江永县元杰科技有限公司 | Car heat exchanger auxiliary device |
| CN205365158U (en) * | 2016-02-03 | 2016-07-06 | 江永县元杰科技有限公司 | Do not receive car heat exchanger auxiliary device that air condition compressor influences |
| CN205706061U (en) * | 2016-06-13 | 2016-11-23 | 郑州宇通重工有限公司 | The heating of a kind of on-board air conditioner and refrigeration mode switch and interlock control |
| CN207579508U (en) * | 2017-11-21 | 2018-07-06 | 江永县元杰科技有限公司 | The intelligent temperature regulator of air conditioning for automobiles |
-
2017
- 2017-11-21 CN CN201711169652.8A patent/CN107757301B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06255344A (en) * | 1993-03-04 | 1994-09-13 | Toyo Radiator Co Ltd | Heating apparatus for automobile |
| JPH0891045A (en) * | 1994-09-28 | 1996-04-09 | Nippondenso Co Ltd | Heat pump type air-conditioner for vehicle |
| JP2003314281A (en) * | 2002-04-24 | 2003-11-06 | Mitsubishi Heavy Ind Ltd | Engine coolant circulation system |
| CN202944176U (en) * | 2012-11-30 | 2013-05-22 | 李元杰 | Auxiliary refrigeration device of automobile air conditioner |
| CN203093676U (en) * | 2013-01-31 | 2013-07-31 | 浙江吉利汽车研究院有限公司杭州分公司 | Heating system of hybrid electric vehicle |
| CN203995554U (en) * | 2014-08-24 | 2014-12-10 | 江永县元杰科技有限公司 | The auxiliary cooling operatorless device of air conditioning for automobiles |
| CN204895027U (en) * | 2015-08-12 | 2015-12-23 | 江永县元杰科技有限公司 | Car heat exchanger auxiliary device |
| CN205365158U (en) * | 2016-02-03 | 2016-07-06 | 江永县元杰科技有限公司 | Do not receive car heat exchanger auxiliary device that air condition compressor influences |
| CN205706061U (en) * | 2016-06-13 | 2016-11-23 | 郑州宇通重工有限公司 | The heating of a kind of on-board air conditioner and refrigeration mode switch and interlock control |
| CN207579508U (en) * | 2017-11-21 | 2018-07-06 | 江永县元杰科技有限公司 | The intelligent temperature regulator of air conditioning for automobiles |
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| Publication number | Publication date |
|---|---|
| CN107757301A (en) | 2018-03-06 |
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