CN106891698A - A kind of air conditioning system for electric car - Google Patents
A kind of air conditioning system for electric car Download PDFInfo
- Publication number
- CN106891698A CN106891698A CN201710122882.2A CN201710122882A CN106891698A CN 106891698 A CN106891698 A CN 106891698A CN 201710122882 A CN201710122882 A CN 201710122882A CN 106891698 A CN106891698 A CN 106891698A
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- CN
- China
- Prior art keywords
- filter
- refrigerant
- conditioning system
- threshold
- header
- 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.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 21
- 239000003507 refrigerant Substances 0.000 claims abstract description 50
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000015556 catabolic process Effects 0.000 claims abstract description 7
- 238000006731 degradation reaction Methods 0.000 claims abstract description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 6
- 239000010457 zeolite Substances 0.000 claims description 6
- 239000000356 contaminant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 claims description 2
- 230000008447 perception Effects 0.000 claims 1
- 230000006866 deterioration Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005057 refrigeration Methods 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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of air conditioning system for electric car, including compressor, heat exchanger, connecting pipe, the first filter, the second filter, detection pipe, the signal that controller is detected according to detection pipe controls the circulation branch road of refrigerant, refrigerant is carried out different degrees of filtering according to different degradations.Can in real time, dynamically suppress or slow down the deterioration process of refrigerant by the present invention, reduce the frequency for changing refrigerant, and reduce circulating resistance when filtering refrigerant, reduce the load of compressor and the energy consumption of air-conditioning system.
Description
Technical field
The invention belongs to electric automobile field, more particularly to a kind of air conditioning system for electric car.
Background technology
In use for some time, the pollutant such as impurity, vapor can be mixed into air conditioner refrigerating to the air-conditioning system of electric automobile
In agent, the deterioration of refrigerant is caused, and then cause the decline of vehicle refrigerating efficiency and the raising of energy consumption.Tackle the usual of the problem
Way, one is the refrigerant in using special refrigerant charging machine to change air-conditioning system, and conventional plunger pump type or compression
The filling precision of machine formula charging machine is low, is difficult to control, and equipment cost is higher, and filling process is complicated, it is often more important that, it is this more
The method for changing refrigerant only be able to can just be implemented after refrigerant deterioration to a certain extent, can not suppress in real time before this
Or slow down the process that refrigerant is deteriorated, therefore the performance degradation of interior air-conditioning system can not despise in the meantime；Two is in sky
The liquid trap of filter screen or filter core is provided with adjusting system, this mode can greatly increase resistance when refrigerant circulates, increase
Add the load of compressor and the energy consumption of air-conditioning system, and filter effect is unsatisfactory.
The content of the invention
In order to be reduced as far as changing the frequency of refrigerant, and can in real time, dynamically suppress or slow down refrigeration
The deterioration process of agent, the invention provides a kind of air conditioning system for electric car, technical scheme is as follows, including：
Compressor and heat exchanger, and for forming the connecting pipe of refrigerant flow cycle；
The heat exchanger is made up of many horizontal tubes for extending parallel to each other and the left and right header being vertically arranged, water
The two ends of flat pipe are respectively accommodated in left header, right header, and horizontal tube and left and right header are hermetically connected, header
Inside be provided with multiple cut-offs, the space in header is divided into multiple sections being isolated from each other so that refrigerant is with multiple
The mode of steering circulates in header and horizontal tube；The top of left header is provided with first entrance, and the bottom of right header sets
There is first outlet；
The first filter of left header side is arranged on, close to the second filter that first filter is set, its
By cylinder, the pipe composition that upper and lower side is closed, the inwall of the first filter has the tapetum for adsorbing contaminant, and
There is multiple to interlock for the inside of the first filter, the filter being made up of zeolite of oblique arrangement；The inside of the second filter
Top and bottom have the micropore filtering film being supported on support, are filled between two micropore filtering films and are made up of zeolite granular
Filter material；
The detection pipe of filter side is arranged on, its degradation for being used to differentiate in real time refrigerant, the inside of detection pipe
Top has a ultrasonic transmitter-receiver, and bottom is ultrasonic reflections face, due to pure gaseous refrigerant and is mixed with impurity, vapor
Gaseous refrigerant, spread speed of the ultrasonic wave in both different propagation mediums be different, and detection pipe is based on this
Principle, the degradation of real-time detection refrigerant.
The port of export of the detection pipe by four way solenoid valve respectively with left header, the first filter, the second mistake
The arrival end of filter is connected；
Controller, it is connected with ultrasonic transmitter-receiver, four way solenoid valve, signal compressor, and is received according to from ultrasonic wave
The opening and closing of the ultrasonic signal control four way solenoid valve that hair device is perceived and the running speed of compressor；
When air-conditioning system is run, flowed into and be full of through connecting pipe by the gaseous refrigerant of the HTHP of compressor compresses
The detection pipe, the ultrasonic transmitter-receiver sends ultrasonic wave to ultrasonic reflections face with predetermined frequency and reception is reflected
Ultrasonic wave, record the actual duration used by the ultrasonic signal for receiving reflection, controller is by the actual duration and mark
The standard duration used by the ultrasonic signal of reflection is received under quasi- state to be compared, and calculates the difference of the two, when described
When difference is less than first threshold, controller controls the four way solenoid valve to form the first circulation branch road, makes refrigerant by detection pipe
The port of export flow directly into the arrival end of left header；When the difference is more than first threshold and during less than Second Threshold, control
Device controls the four way solenoid valve to form the second circulation branch road, refrigerant is flowed into the first filter by the port of export of detection pipe
Arrival end, after being filtered through the first filter, the arrival end of left header is flowed into by the port of export of the first filter；When the difference
During more than Second Threshold, controller controls the four way solenoid valve to form the 3rd circulation branch road, makes refrigerant going out by detection pipe
Mouth end flows into the arrival end of the second filter, after being filtered through the second filter, left afflux is flowed into by the port of export of the second filter
The arrival end of pipe；When the difference is more than three threshold values, controller circulates except controlling the four way solenoid valve to form the 3rd
Outside branch road, the running speed of compressor is also further reduced, making the flow velocity of refrigerant reduces, to increase refrigerant and filter
Time of contact.
The first threshold<Second Threshold<3rd threshold value.
The standard state refers to：Working condition when being used for the first time after air-conditioning system has changed refrigerant.
Can in real time, dynamically suppress or slow down the deterioration process of refrigerant by the present invention, reduce and change refrigerant
Frequency, and circulating resistance when filtering refrigerant is reduced, reduce the load of compressor and the energy consumption of air-conditioning system.
Brief description of the drawings
Fig. 1 shows the structure of heat exchanger of the invention；
Fig. 2 shows refrigerant filtering stream schematic diagram of the invention；
Fig. 3 shows the structure of the first filter of the invention；
Fig. 4 shows the structure of the second filter of the invention；
Fig. 5 shows control section block diagram of the invention.
Specific embodiment
Below in conjunction with specific embodiment, air conditioning system for electric car of the invention is described in detail.
As shown in Figure 1, 2, heat exchanger by many horizontal tubes 1 for extending parallel to each other and be vertically arranged left header 2,
Right header 3 is constituted, and the two ends of horizontal tube 1 are respectively accommodated in left header 2, right header 3, horizontal tube 1 and left and right afflux
Seal of tube ground connection, the inside of header is provided with multiple cut-offs 4, and the space in header is divided into multiple areas being isolated from each other
Section so that refrigerant circulation in header 2,3 and horizontal tube 1 in the way of repeatedly turning to；The top of left header 2 is provided with
One entrance 2.1, the bottom of right header 3 is provided with first outlet 3.1；
The first filter 5 of the side of left header 2 is arranged on, close to the second filter that first filter 5 is set
6, it is arranged on the detection pipe 7 of filter side by cylinder, the pipe composition that upper and lower side is closed, and it is used for mirror in real time
The degradation of other refrigerant, the inner bottom of detection pipe 7 has ultrasonic transmitter-receiver 7.1, and top is ultrasonic reflections face
7.2, the port of export of the detection pipe 7 by a four way solenoid valve 8 respectively with left header 2, the first filter 5, the second mistake
The arrival end of filter 6 is connected；
As shown in figure 3, the inwall of first filter 5 has the tapetum 5.1 for adsorbing contaminant, inside has many
It is individual staggeredly, the filter 5.2 being made up of zeolite of oblique arrangement；
As shown in figure 4, the top and bottom of the inside of second filter 6 have being supported on support (not shown)
Micropore filtering film 6.1, filled with the filter material 6.2 being made up of zeolite granular between two micropore filtering films 6.1；
As shown in figure 5, controller 9 is connected with ultrasonic transmitter-receiver 7.2, four way solenoid valve 8, the signal of compressor 10, and root
According to the opening and closing and the operating of compressor 10 of the ultrasonic signal control four way solenoid valve 8 perceived from ultrasonic transmitter-receiver 7.2
Speed.
When air-conditioning system is run, the gaseous refrigerant of the HTHP compressed by compressor 10 is flowed into and filled through connecting pipe
The full detection pipe 7, the ultrasonic transmitter-receiver 7.2 sends ultrasonic wave and receives what is reflected to ultrasonic reflections face 7.1
Ultrasonic wave, records ultrasonic signal from the actual duration used by receiving is issued to, and controller 9 is by the actual duration and standard
Ultrasonic signal is compared from the standard duration being issued to used by reception under state, and calculates the difference of the two, when the difference
When value is less than first threshold, controller 9 controls the four way solenoid valve 8 to form the first circulation branch road, makes refrigerant by detection pipe 7
The port of export flow directly into the arrival end of left header 2；When the difference is more than first threshold and during less than Second Threshold, control
Device 9 controls the four way solenoid valve 8 to form the second circulation branch road, refrigerant is flowed into first by the port of export of detection pipe 7 and filters
The arrival end of device 5, after being filtered through the first filter 5, the arrival end of left header 2 is flowed into by the port of export of the first filter 5；When
The difference be more than Second Threshold when, controller 9 control the four way solenoid valve 8 formed the 3rd circulate branch road, make refrigerant by
The port of export of detection pipe 7 flows into the arrival end of the second filter 6, after being filtered through the second filter 6, by going out for the second filter 6
Mouth end flows into the arrival end of left header 2；When the difference is more than three threshold values, controller 9 is powered except controlling described four
Magnet valve 8 forms the 3rd and circulates outside branch road, and also control reduces the running speed of compressor 10, and making the flow velocity of refrigerant reduces, to increase
The time of contact of refrigerant feeding and filter.
One skilled in the art would recognize that without departing substantially from as the spirit and scope of the invention for describing in general manner,
Various changes and/or modification can be carried out to the invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the especially combination of any feature in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (4)
1. a kind of air conditioning system for electric car, including compressor, heat exchanger and connecting pipe, it is characterised in that also including use
In the filtering filter of refrigerant first and the second filter, the detection pipe of the degradation for detecting refrigerant.
2. a kind of air conditioning system for electric car, including：Compressor and heat exchanger, and for forming the company of refrigerant flow cycle
Adapter road, the heat exchanger is made up of many horizontal tubes for extending parallel to each other and the left and right header being vertically arranged, level
The two ends of pipe are respectively accommodated in left and right header, and horizontal tube and left and right header are hermetically connected, left and right header it is interior
Portion is provided with multiple cut-offs, will manage interior space and be divided into multiple sections being isolated from each other so that refrigerant is in the way of repeatedly turning to
Circulated in left and right header and horizontal tube；
Characterized in that,
Be arranged on the first filter of left header side, close to first filter set the second filter, its by
Cylinder, upper and lower side closing pipe is constituted, and the inwall of the first filter has the tapetum for adsorbing contaminant, inside tool
Have it is multiple staggeredly, the filter being made up of zeolite of oblique arrangement；The top and bottom of the inside of the second filter have support
Micropore filtering film on support, filled with the filter material being made up of zeolite granular between two micropore filtering films；
It is arranged on the detection pipe of the first filter side, its degradation for being used for real-time detection refrigerant, the inside of detection pipe
Bottom there is ultrasonic transmitter-receiver, top is ultrasonic reflections face, and the port of export of the detection pipe passes through a four-way electromagnetic
Arrival end of the valve respectively with left header, the first filter, the second filter is connected；
Controller, it is connected with ultrasonic transmitter-receiver, four way solenoid valve, signal compressor, and according to from ultrasonic transmitter-receiver
The opening and closing of the ultrasonic signal control four way solenoid valve of perception and the running speed of compressor：
When air-conditioning system is run, flowed into through connecting pipe by the gaseous refrigerant of the HTHP of compressor compresses and full of described
Detection pipe, the ultrasonic transmitter-receiver sends ultrasonic wave and receives the ultrasonic wave for reflecting to ultrasonic reflections face, records
Ultrasonic signal believes ultrasonic wave under the actual duration and standard state from the actual duration used by receiving, controller is issued to
Number it is compared from being issued to the standard duration used by receiving, and the difference of the two is calculated, when the difference is less than first threshold
When, controller controls the four way solenoid valve to form the first circulation branch road, refrigerant is flowed directly into by the port of export of detection pipe
The arrival end of left header；When the difference is more than first threshold and during less than Second Threshold, controller control described four is powered
Magnet valve forms the second circulation branch road, makes refrigerant that the arrival end of the first filter is flowed into by the port of export of detection pipe, through the first mistake
After filter filtering, the arrival end of left header is flowed into by the port of export of the first filter；When the difference is more than Second Threshold,
Controller controls the four way solenoid valve to form the 3rd circulation branch road, refrigerant is flowed into second by the port of export of detection pipe and filters
The arrival end of device, after being filtered through the second filter, the arrival end of left header is flowed into by the port of export of the second filter；When described
When difference is more than three threshold values, controller circulates in addition to branch road except controlling the four way solenoid valve to form the 3rd, also control compression
The running speed reduction of machine, making the flow velocity of refrigerant reduces, to increase the time of contact of refrigerant and filter.
3. air conditioning system for electric car as claimed in claim 2, it is characterised in that：The first threshold<Second Threshold<3rd threshold
Value.
4. air conditioning system for electric car as claimed in claim 2, it is characterised in that：The standard state refers to, in air-conditioning system
Working condition when using for the first time after refrigerant is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122882.2A CN106891698B (en) | 2017-03-03 | 2017-03-03 | A kind of air conditioning system for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710122882.2A CN106891698B (en) | 2017-03-03 | 2017-03-03 | A kind of air conditioning system for electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106891698A true CN106891698A (en) | 2017-06-27 |
| CN106891698B CN106891698B (en) | 2017-11-10 |
Family
ID=59185649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710122882.2A Active CN106891698B (en) | 2017-03-03 | 2017-03-03 | A kind of air conditioning system for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106891698B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910557A (en) * | 2019-03-04 | 2019-06-21 | 青岛海尔空调器有限总公司 | The control method of car air-conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401068A (en) * | 2000-02-14 | 2003-03-05 | 大金工业株式会社 | refrigerator, abrasive poder judging device, and refrigerant oxidation judging device |
| CN201163120Y (en) * | 2007-12-20 | 2008-12-10 | 上海科泰运输制冷设备有限公司 | Heat pump type cooling and warming air-conditioning unit for electric motor car |
| CN105688543A (en) * | 2014-11-04 | 2016-06-22 | 曼·胡默尔有限公司 | Filter element and method for producing the same |
| CN205768508U (en) * | 2016-06-13 | 2016-12-07 | 苏州新同创汽车空调有限公司 | A kind of two device assemblies of overhead type air-conditioning |
-
2017
- 2017-03-03 CN CN201710122882.2A patent/CN106891698B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1401068A (en) * | 2000-02-14 | 2003-03-05 | 大金工业株式会社 | refrigerator, abrasive poder judging device, and refrigerant oxidation judging device |
| CN201163120Y (en) * | 2007-12-20 | 2008-12-10 | 上海科泰运输制冷设备有限公司 | Heat pump type cooling and warming air-conditioning unit for electric motor car |
| CN105688543A (en) * | 2014-11-04 | 2016-06-22 | 曼·胡默尔有限公司 | Filter element and method for producing the same |
| CN205768508U (en) * | 2016-06-13 | 2016-12-07 | 苏州新同创汽车空调有限公司 | A kind of two device assemblies of overhead type air-conditioning |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910557A (en) * | 2019-03-04 | 2019-06-21 | 青岛海尔空调器有限总公司 | The control method of car air-conditioner |
| CN109910557B (en) * | 2019-03-04 | 2021-10-29 | 青岛海尔空调器有限总公司 | Control method of vehicle air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106891698B (en) | 2017-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170911 Address after: 100086 Beijing city Haidian District North Sanhuan Road 43, Tsing Wun contemporary building 12A11 Applicant after: BEIJING ZHITAO SCIENCE & TECHNOLOGY CO., LTD. Address before: 230031 Yuzhou central city, Yaohai District, Anhui, Hefei Applicant before: Zheng Hai |
|
| TA01 | Transfer of patent application right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tian Enping Inventor after: Wang Jiru Inventor before: Zheng Hai |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170925 Address after: 276500 No. 1 Rizhao East Road, Juxian Economic Development Zone, Shandong, Rizhao City Applicant after: The new energy vehicles Co. Ltd. Address before: 100086 Beijing city Haidian District North Sanhuan Road 43, Tsing Wun contemporary building 12A11 Applicant before: BEIJING ZHITAO SCIENCE & TECHNOLOGY CO., LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 276500 No. 1 Rizhao East Road, Juxian Economic Development Zone, Shandong, Rizhao City Patentee after: The New Energy Automobile Co. Ltd. Address before: 276500 No. 1 Rizhao East Road, Juxian Economic Development Zone, Shandong, Rizhao City Patentee before: The new energy vehicles Co. Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211223 Address after: 276599 Juxian Industrial Park, Rizhao City, Shandong Province Patentee after: HAIHUI GROUP Co.,Ltd. Patentee after: Haihui New Energy Automobile Co., Ltd Address before: 276500 1 Rizhao East Road, Juxian Economic Development Zone, Rizhao City, Shandong Patentee before: HAIHUI NEW ENERGY MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right |