CN109109612A - A kind of the pressure and temperature control device and its control method of automotive air-conditioning condenser - Google Patents
A kind of the pressure and temperature control device and its control method of automotive air-conditioning condenser Download PDFInfo
- Publication number
- CN109109612A CN109109612A CN201810944128.1A CN201810944128A CN109109612A CN 109109612 A CN109109612 A CN 109109612A CN 201810944128 A CN201810944128 A CN 201810944128A CN 109109612 A CN109109612 A CN 109109612A
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- condenser
- pressure
- temperature
- intelligent controller
- water
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- 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
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses the pressure and temperature control devices and its control method of a kind of automotive air-conditioning condenser, including evaporator condensation water collecting device, spray module and control system, the spray module includes filter, pressurization motor, water supply electromagnetic valve, sparge pipe and atomizer；The present invention can collect the condensed water of air-conditioning discharge, the on-off of solenoid valve is accurately controlled according to the size of the condenser tubes pressure and temperature of air conditioning for automobiles, when intelligent controller detects the pressure or when the temperature is excessively high of condenser, control pressurization electric motor starting, water supply electromagnetic valve is opened, atomizer is spraying, enhance the convective heat transfer of air and condenser fin, the heat dissipation effect of automotive air-conditioning condenser can be improved, reduce condensation temperature, control the temperature and pressure of condenser within the set range, to enable air conditioning for automobiles to operate normally, the present apparatus uses the condensed water of evaporator as water source, play water-saving effect.
Description
Technical field
The present invention relates to automotive air-conditioning condenser technical field more particularly to a kind of pressure of automotive air-conditioning condenser and
Temperature control equipment and its control method.
Background technique
Currently, bad, the higher phenomenon of pressure of the generally existing heat dissipation of air conditioning for automobiles, can generate bad, the refrigeration effect that radiates
The consequence of difference.Especially in summer, environment temperature is higher, does not only result in condensing pressure and increases extremely, causes overheat of compressor, shadow
The service life of engine and air-conditioning system is rung, but also the heat dissipation of water tank for the automobile engine that can be is bad.Even if being mounted in vapour
The condenser of vehicle vehicle body side, cooling condition are also very unsatisfactory.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above place and simple, the operation side that provides a kind of structure
Just, the pressure and temperature control device and its control method of practical automotive air-conditioning condenser.
The present invention realizes in the following way:
A kind of pressure and temperature control device of automotive air-conditioning condenser, it is characterised in that: received including evaporator condensation water
Acquisition means, spray module and control system, the evaporator condensation water collecting device include condensate collector, header tank, institute
It states condensate collector and is connected with header tank by pipeline, condensate collector is set to the underface of evaporator；
The spray module includes filter, pressurization motor, water supply electromagnetic valve, sparge pipe and atomizer, the water spray
Pipe is mounted on the top of condenser, and sparge pipe is equipped with atomizer, and atomizer is sprayed towards condenser；The header tank and
Sparge pipe is connected, and is connected with filter, pressurization motor and water supply electromagnetic valve between header tank and sparge pipe in turn, pressurization electricity
The on-off of machine and water supply electromagnetic valve controls relay by intelligent controller to realize；
The control system includes intelligent controller, Tube Temperature Sensor, pipe pressure sensor, water level detecting sensing
Device, the level detection sensor are located in header tank, and pipe pressure sensor and Tube Temperature Sensor are mounted on condenser
Refrigerant vapour inlet, Tube Temperature Sensor, pipe pressure sensor and level detection sensor are first connected to AD conversion
Device is being linked into intelligent controller；Level detection sensor, Tube Temperature Sensor and pipe pressure sensor acquire header tank
It is transferred to intelligent controller with the data of condenser, intelligent controller passes through D/A converter output order control pressurization motor and confession
Water solenoid valve；What the intelligent controller was selected is AT89S52 single-chip microcontroller.
Further, the condensate collector is fixedly connected on the bracket of evaporator；Header tank is located at condensed water receipts
The lower section of the water outlet of storage.
Further, the control circuit branch road of the pressurization motor and water supply electromagnetic valve is also in series with safety box.
It further, further include register, register is connected with intelligent controller, and register is for storing setting pressure
Force value and temperature Value Data.
Further, the header tank is equipped with discharge outlet.
A kind of control method of the pressure and temperature control device of automotive air-conditioning condenser, it is characterised in that: specific as follows:
Before work, pressure and temperature value are first set, is stored in register, is compared with the information that intelligent controller receives,
Judge whether pressure and temperature exceed safety value；When automobile starting, ignition switch is opened, power supply connects AC switch, and compressor opens
Dynamic, with the operation of air conditioning for automobiles, the pressure of condenser is also increased constantly with temperature, when temperature and pressure are more than setting value
When, signal is transmitted to intelligent controller by pipe pressure sensor and Tube Temperature Sensor, intelligent controller issue instruction make after
The output loop contact closure of electric appliance, power supply conducting pressurization motor and water supply electromagnetic valve, pressurize motor and water supply electromagnetic valve work,
By the condensed water pressurization in header tank, is passing through filter, removing the impurity in condensed water, be sent to sparge pipe, sparge pipe
It is equipped with atomizer, atomizer has setting around condenser, uniformly sprays water mist to condenser；Enhance sky
The convective heat transfer of gas and condenser fin reduces condensation temperature and pressure, and rapid heat dissipation, refrigeration is more preferably；Intelligent controller according to
The on-off of the signal control relay of Tube Temperature Sensor and pipe pressure sensor realizes pressurization motor and water supply electromagnetism
Valve being opened and closing, and until the temperature in condenser drops in setting value with pressure, pressurization motor and water supply electromagnetic valve stop work
Make, atomizer stops spraying to condenser.
The beneficial effects of the present invention are: using the condensed water of evaporator discharge as water source, when intelligent controller detects
To condenser temperature or higher pressure when, intelligent controller to pressurization motor and water supply electromagnetic valve send instruction make its work,
Condensed water after pressurization is sent to sparge pipe, is spraying to condenser, the heat of carburetion by spraying absorptive condenser by atomizer
As the latent heat of vaporization, decline the temperature and pressure of condenser rapidly, play the role of accelerating heat dissipation and save water, makes sky
The refrigeration effect of tune greatly improves, and environment inside car is more comfortable.When summer environment temperature is higher, the present invention can effectively drop
The condensation temperature of low air-conditioning condenser improves the heat dissipation performance of condenser, and refrigeration effect gets a promotion, and efficiently avoids compressing
Captain's time service is without shutting down, the phenomenon that generating overheat and damage compressor.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 schematic structural view of the invention；
Fig. 2 circuit diagram of the present invention；
Fig. 3 sparge pipe structural schematic diagram of the present invention；
Fig. 4 control flow chart of the present invention；
Description of symbols: 1, evaporator, 2, condensed water, 3, condensate collector, 4, air blower, 5, compressor, 6, dry
Dry bottle, 7, header tank, 8, filter, 9, pressurization motor, 10, water supply electromagnetic valve, 11, sparge pipe, 12, condenser, 13, fan,
14, Tube Temperature Sensor, 15, pipe pressure sensor, 16, level detection sensor, 17, intelligent controller, 18, expansion
Valve, 19, power supply, 20, ignition switch, 21, AC switch, 22, safety box, 23, relay, 24, atomizer, 25, register,
26, AD converter, 27, D/A converter.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Have ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection, or one
Ground connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Embodiment:
A kind of pressure and temperature control device of automotive air-conditioning condenser, as shown in Figure 1, Figure 2, Figure 3, Figure 4, air conditioning for automobiles
Condenser includes evaporator 1, compressor 5, condenser 12, and the evaporator 1 is connected by compressor 5 with condenser 12；Institute
It states and is equipped with above condenser 12 for cooling fan 13；Pass through drying bottle 6 and expansion between the condenser 12 and evaporator 1
Valve 18 is connected；The evaporator 1 is equipped with air blower 4；Pressure and temperature control device packet for automotive air-conditioning condenser
Evaporator condensation water collecting device, spray module and control system are included, the evaporator condensation water collecting device includes condensed water
Collector 3, header tank 7, the condensate collector 3 are connected with header tank 7 by pipeline, and condensate collector 3, which is set to, to be steamed
The underface of device 1 is sent out, condensate collector 3 is fixedly connected on the bracket of evaporator 1；Header tank 7 is located at condensate collector 3
Water outlet lower section, and header tank 7 is mounted on vehicle frame or fender；The spray module includes filter 8, pressurization motor
9, water supply electromagnetic valve 10, sparge pipe 11 and atomizer 24, the sparge pipe 11 are mounted on the top of condenser 12, sparge pipe 11
It is equipped with atomizer 24, atomizer 24 is sprayed towards condenser 12, available more uniform water mist；The header tank
7 are connected with sparge pipe 11, and are connected with filter 8, pressurization motor 9 and for water power between header tank 7 and sparge pipe 11 in turn
Magnet valve 10, filter 8, pressurization motor 9 and water supply electromagnetic valve 10 are installed in beside engine, and pressurize motor 9 and water supply electromagnetism
The on-off of valve 10 controls relay 23 by intelligent controller 17 come what is realized, and relay 23 is mounted in Auto Instrument desk；Institute
State the control circuit branch road also series connection safety box 22 of pressurization motor 9 and water supply electromagnetic valve 10；The control system includes intelligence
Controller 17, Tube Temperature Sensor 14, pipe pressure sensor 15, level detection sensor 16, the water level detecting sensing
Device 16 is located in header tank 7, and the refrigerant that pipe pressure sensor 15 and Tube Temperature Sensor 14 are mounted on condenser 12 steams
Gas inlet, Tube Temperature Sensor 14, pipe pressure sensor 15 and level detection sensor 16 are first connected to AD converter 26
It is being linked into intelligent controller 17；Level detection sensor 16, Tube Temperature Sensor 14 and pipe pressure sensor 15 acquire
The data of header tank 7 and condenser 12 are transferred to intelligent controller 17, and intelligent controller 17 passes through 27 output order of D/A converter
Control pressurization motor 9 and water supply electromagnetic valve 10；What the intelligent controller 17 was selected is AT89S52 single-chip microcontroller, and AT89S52 is one
8 8-digit microcontrollers for planting low-power consumption, high-performance CMOS, can be integrated into the console of automobile；The control system further includes posting
Storage 25, register 25 are connected with intelligent controller 17, and register 25 is for storing setup pressure value and temperature Value Data；
Condenser pressure, temperature control and the dual function for collecting condensed water may be implemented in the present apparatus.
Before work, pressure and temperature value can be first set, is stored in register 25, is received with intelligent controller 17
Information compare, judge pressure and whether temperature exceed safety value.When automobile starting, ignition switch 20, power supply 19 are opened
AC switch 21 is connected, compressor 5 starts, and with the operation of air conditioning for automobiles, the pressure of condenser 12 also rises constantly with temperature
Height, when temperature is more than setting value with pressure, signal is transmitted to intelligence by pipe pressure sensor 15 and Tube Temperature Sensor 14
Controller 17, intelligent controller 17, which issues instruction, makes the output loop contact closure of relay 23, the conducting pressurization motor 9 of power supply 19
With water supply electromagnetic valve 10, the condensed water 2 in header tank 7 is pressurizeed, was being passed through by pressurize motor 9 and the work of water supply electromagnetic valve 10
Filter 8 removes the impurity in condensed water 2, is sent to sparge pipe 11, and sparge pipe 11 is equipped with atomizer 24, atomizer
24 have setting around condenser 12, uniformly spray water mist to condenser 12；Enhance air and 12 fin of condenser
Convective heat transfer, reduce condensation temperature and pressure, rapid heat dissipation, refrigeration is more preferable；Intelligent controller 17 is sensed according to pipe temperature
The on-off of the signal control relay 23 of device 14 and pipe pressure sensor 15 realizes pressurization motor 9 and water supply electromagnetic valve 10
It opens and closes, until the temperature in condenser 12 drops in setting value with pressure, pressurization motor 9 and water supply electromagnetic valve 10 stop work
Make, atomizer 24 stops spraying to condenser 12；Header tank 7 is equipped with discharge outlet, it is therefore an objective to prevent this system from breaking down
When cannot work, the condensed water 2 of evaporator 1 also can smoothly header tank 7 discharge outlet discharge, discharge outlet be lower than water inlet.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of pressure and temperature control device of automotive air-conditioning condenser, it is characterised in that: collected including evaporator condensation water
Device, spray module and control system, the evaporator condensation water collecting device include condensate collector (3), header tank
(7), the condensate collector (3) is connected with header tank (7) by pipeline, and condensate collector (3) is set to evaporator (1)
Underface；
The spray module includes filter (8), pressurization motor (9), water supply electromagnetic valve (10), sparge pipe (11) and atomizer
(24), the sparge pipe (11) is mounted on the top of condenser (12), and sparge pipe (11) is equipped with atomizer (24), atomization spray
Head (24) is sprayed towards condenser (12)；The header tank (7) is connected with sparge pipe (11), and header tank (7) and sparge pipe
(11) filter (8), pressurization motor (9) and water supply electromagnetic valve (10) are connected between in turn, pressurize motor (9) and water supply electromagnetism
The on-off of valve (10) is realized by intelligent controller (17) control relay (23)；
The control system includes intelligent controller (17), Tube Temperature Sensor (14), pipe pressure sensor (15), water level
Detection sensor (16), the level detection sensor (16) are located in header tank (7), pipe pressure sensor (15) and pipeline
Temperature sensor (14) is mounted on the refrigerant vapour inlet of condenser (12), Tube Temperature Sensor (14), pipeline pressure
Sensor (15) and level detection sensor (16) are first connected to AD converter (26) and are being linked into intelligent controller (17)；Water level inspection
Survey sensor (16), Tube Temperature Sensor (14) and pipe pressure sensor (15) acquisition header tank (7) and condenser (12)
Data be transferred to intelligent controller (17), intelligent controller (17) by D/A converter (27) output order control pressurization motor
(9) and water supply electromagnetic valve (10).
2. a kind of pressure and temperature control device of automotive air-conditioning condenser according to claim 1, it is characterised in that: institute
Condensate collector (3) is stated to be fixedly connected on the bracket of evaporator (1)；Header tank (7) is located at going out for condensate collector (3)
The lower section at the mouth of a river.
3. a kind of pressure and temperature control device of automotive air-conditioning condenser according to claim 2, it is characterised in that: institute
The control circuit branch road for stating pressurization motor (9) and water supply electromagnetic valve (10) is also in series with safety box (22).
4. a kind of pressure and temperature control device of automotive air-conditioning condenser according to claim 3, it is characterised in that: also
Including register (25), register (25) is connected with intelligent controller (17), and register (25) is for storing setting pressure
Value and temperature Value Data.
5. a kind of pressure and temperature control device of automotive air-conditioning condenser according to claim 4, it is characterised in that: institute
Header tank (7) are stated equipped with discharge outlet.
6. a kind of control method of the pressure and temperature control device of automotive air-conditioning condenser as claimed in claim 5, special
Sign is: specific as follows: before work, first to set pressure and temperature value, be stored in register (25), with intelligent controller
(17) information received compares, and judges whether pressure and temperature exceed safety value；When automobile starting, ignition switch is opened
(20), power supply (19) connection AC switch (21), compressor (5) starting, with the operation of air conditioning for automobiles, the pressure of condenser (12)
It is also increased constantly with temperature, when temperature is more than setting value with pressure, pipe pressure sensor (15) and pipe temperature are passed
Sensor (14) is transmitted to signal intelligent controller (17), and intelligent controller (17), which issues instruction, makes the output loop of relay (23)
Contact closure, power supply (19) conducting pressurization motor (9) and water supply electromagnetic valve (10), pressurize motor (9) and water supply electromagnetic valve (10)
The condensed water (2) in header tank (7) is pressurizeed in work, is passing through filter (8), is removing the impurity in condensed water (2), then
Be sent to sparge pipe (11), sparge pipe (11) be equipped with atomizer (24), atomizer (24) around condenser (12) all
There is setting, uniformly sprays water mist to condenser (12)；The convective heat transfer of air Yu condenser (12) fin is enhanced, is reduced
Condensation temperature and pressure, rapid heat dissipation, refrigeration are more preferable；Intelligent controller (17) is according to Tube Temperature Sensor (14) and pipeline pressure
The on-off of the signal control relay (23) of sensor (15) come realize pressurization motor (9) and water supply electromagnetic valve (10) open and
It closes, until the temperature in condenser (12) drops in setting value with pressure, pressurization motor (9) and water supply electromagnetic valve (10) stop
Work, atomizer (24) stop spraying to condenser (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944128.1A CN109109612A (en) | 2018-08-18 | 2018-08-18 | A kind of the pressure and temperature control device and its control method of automotive air-conditioning condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810944128.1A CN109109612A (en) | 2018-08-18 | 2018-08-18 | A kind of the pressure and temperature control device and its control method of automotive air-conditioning condenser |
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| Publication Number | Publication Date |
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| CN109109612A true CN109109612A (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810944128.1A Pending CN109109612A (en) | 2018-08-18 | 2018-08-18 | A kind of the pressure and temperature control device and its control method of automotive air-conditioning condenser |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154679A (en) * | 2019-05-17 | 2019-08-23 | 高宏伟 | Motorcar air conditioner and its water circulation system for the existence of field special type |
| CN112046247A (en) * | 2020-09-18 | 2020-12-08 | 淄博职业学院 | A spray cooling device for car condenser |
| CN114475160A (en) * | 2021-12-30 | 2022-05-13 | 珠海格力电器股份有限公司 | Parking spray cooling system and vehicle |
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| CN110154679A (en) * | 2019-05-17 | 2019-08-23 | 高宏伟 | Motorcar air conditioner and its water circulation system for the existence of field special type |
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