CN107379926B - A kind of control device and control method of pre- anti-vehicle musty generation - Google Patents
A kind of control device and control method of pre- anti-vehicle musty generation Download PDFInfo
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- CN107379926B CN107379926B CN201710480076.2A CN201710480076A CN107379926B CN 107379926 B CN107379926 B CN 107379926B CN 201710480076 A CN201710480076 A CN 201710480076A CN 107379926 B CN107379926 B CN 107379926B
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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
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3205—Control means therefor
- B60H1/3207—Control means therefor for minimizing the humidity of the air
-
- 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
- B60H1/323—Cooling devices using compression characterised by comprising auxiliary or multiple systems, e.g. plurality of evaporators, or by involving auxiliary cooling 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
- B60H1/32—Cooling devices
- B60H2001/3269—Cooling devices output of a control signal
- B60H2001/327—Cooling devices output of a control signal related to a compressing unit
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of control device that pre- anti-vehicle musty generates and control methods, are related to vehicle air conditioning technical field.The control system includes detection module, control module and execution module.Detection module is used to detect the air speed value of air-conditioning draught fan and the temperature value of evaporator.Control module is issued and is executed instruction for receiving the air speed value and the temperature value.Execution module executes instruction described in being used to receive, and controls the compressor and opens and closes.Control system of the invention controls the judgement of detection module by control module the execution opportunity of execution module, using the protection point threshold values for reducing air-conditioning evaporating temperature, reduces the humidity of air conditioning exhausting, dehumidifies to a greater extent in the use process of air-conditioning；Remaining condensed water in air-conditioning box after reduction air-conditioning refrigeration system stops working, reaches the condition that limitation musty generates.
Description
Technical field
The present invention relates to vehicle air conditioning technical field, more particularly to a kind of control device that pre- anti-vehicle musty generates and
Control method.
Background technique
Air conditioning for automobiles frequency used in the driving use process of automobile is very high at present, as automotive ventilation, refrigeration, system
The carrier of the multiple functions demands such as warm, defrosting-defogging, the air quality of air-conditioning ventilation system are also concerned, in addition many areas
Dust, PM2.5 index are higher all the year round.Air conditioner filter is limited by its adsorption capacity, and general depot is in vehicle in use
Prompt half a year to a Nian Genghuan in application maintenance handbook, but user does not notice that substantially.The maintenance of air conditioner filter is more in automobile
Changing can not be timely, and will lead to dust, there are different degrees of accumulations in air conditioning box body.And air-conditioning has in process of refrigerastion
A large amount of condensed water generates, and can not be vaporized completely when air-conditioning is closed and dried, can be carried out in air-conditioning box some residuals with
Dust dirt generates musty dust taste together, influences the air quality of interior ventilating system.Constrained delay is used currently on the market
The scheme of air conditioner ventilation time has the disadvantage that
1. the current supply circuit that air conditioner blower works is needed to be changed to low tension battery circuit from ignition circuit, it is contemplated that
The protection of air conditioner blower short circuit needs to increase insurance, causes to increase cost；
2. taking the air-conditioning system of delay air-conditioning draught fan work must be by after stopping air-conditioning system, it is also necessary to vehicle body control
Molding block opens skylight exhaust, otherwise will lead to moisture, musty can not be discharged in the car.
Summary of the invention
It is a kind of without changing vehicle air conditioner circuit it is an object of the present invention to provide, and can effectively avoid musty
The control system of generation.
It is a further object to provide a kind of control methods that pre- anti-vehicle musty generates.
Particularly, the present invention provides a kind of control system for preventing the generation of vehicle air conditioning musty, for preventing vehicle air conditioning
Refrigeration system generates musty, and the vehicle air conditioning refrigeration system includes air-conditioning draught fan, compressor and evaporator；
The control system includes:
Detection module, for detecting the air speed value of the air-conditioning draught fan and the temperature value of the evaporator；
Control module for receiving the air speed value and the temperature value, and is issued and is executed instruction；With
Execution module, for receive it is described execute instruction, control the compressor and open and close.
Further, the detection module includes:
Air velocity transducer is set at the air-conditioning draught fan, for detecting the air speed value of the air-conditioning draught fan；With
Temperature sensor is set at the surface of the evaporator, for detecting the temperature value of the evaporator surface.
Further, the control module includes air-conditioner controller, and the air-conditioner controller receives the air velocity transducer
The temperature value of the air speed value of detection and temperature sensor detection, executes instruction described in sending.
Further, the execution module includes compressor clutch, and the compressor clutch receives the execution and refers to
It enables to open and close compressor clutch, opens and closes the compressor.
Further, further include default settings module, for be set in advance default air speed value, the first preset temperature value and
Second preset temperature value, and the default air speed value, first preset temperature value and second preset temperature value are exported
To the air-conditioner controller.
Further, the air-conditioner controller is configured to:
Judge whether the air speed value of the air-conditioning draught fan is greater than the default air speed value；
In the case where the air speed value is not more than the default air speed value, described in the temperature value arrival of the evaporator
When the first preset temperature value, the air-conditioner controller controls the compressor clutch and closes；
In the case where the air speed value is greater than the default air speed value, when the temperature value of the evaporator reaches described the
When two preset temperature values, the air-conditioner controller controls the compressor clutch and closes.
Further, first preset temperature value is greater than second preset temperature value.
Further, first preset temperature value is 1 DEG C, and second preset temperature value is -1 DEG C.
It is a further object of the present invention to provide a kind of control methods for preventing the generation of vehicle air conditioning musty, including walk as follows
It is rapid:
Detect the air speed value of the air-conditioning draught fan of vehicle air conditioning refrigeration system；
Detect the temperature value of the evaporator of vehicle air conditioning refrigeration system；
Judge whether the air speed value of the air-conditioning draught fan is greater than a default air speed value；
In the case where the air speed value is not more than the default air speed value, when the temperature value of the evaporator reaches first
When preset temperature value, control compressor clutch is closed；
In the case where the air speed value is greater than the default air speed value, when the temperature value of the evaporator reaches second in advance
If when temperature value, control compressor clutch is closed.
Further, first preset temperature value is greater than second preset temperature value；
Preferably, first preset temperature value is 1 DEG C, and second preset temperature value is -1 DEG C.
Control system of the invention by control module for detection module execution of the judgement to control execution module when
Machine reduces the humidity of air conditioning exhausting using the protection point threshold values for reducing air-conditioning evaporating temperature, bigger in the use process of air-conditioning
The dehumidifying of limit；Remaining condensed water in air-conditioning box after reduction air-conditioning refrigeration system stops working, reaches what limitation musty generated
Condition.
The wind speed of control system of the present invention and air-conditioning is associated control, guarantees the refrigeration demand of client, and passes through air-conditioning
Blower dries up the condenser of air-conditioner host internal residual, reduces the generation probability of musty.
This control system does not need additional circuit to power to control system, and without increasing insurance, reduces costs.
Further, control system of the invention can be beaten after air-conditioning system closing directly without musty without delay
It puts in a skylight come the generation that moisture is discharged to prevent musty, it is convenient and efficient.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the control system and air conditioner refrigerating system that prevention vehicle air conditioning musty according to an embodiment of the invention generates
The schematic diagram of system；
Fig. 2 is the control system and air conditioner refrigerating that prevention vehicle air conditioning musty in accordance with another embodiment of the present invention generates
The schematic diagram of system；
Fig. 3 is the schematic stream for the control method that prevention vehicle air conditioning musty in accordance with another embodiment of the present invention generates
Cheng Tu.
Specific embodiment
Fig. 1 is the control system 20 and air conditioner refrigerating that prevention vehicle air conditioning musty according to an embodiment of the invention generates
The schematic diagram of system 10.As shown in Figure 1, the control system 20 that prevention vehicle air conditioning musty of the invention generates is to be used for
Prevent vehicle air conditioning refrigeration system 10 and generates musty.Wherein, it may include successively connecting that vehicle air conditioning refrigeration system 10 is general
Compressor 11, condenser 12, liquid-storage drying tank 13 and the expansion valve 14 connect, further includes air-conditioning draught fan 15 and evaporator 16.This hair
Bright control system 20 includes detection module 21, control module 22 and execution module 23.Specifically, detection module 21 is for detecting
The air speed value of the air-conditioning draught fan 15 and the temperature value of the evaporator 16.Control module 22 is for receiving the air speed value and institute
Temperature value is stated, and issues and executes instruction.Execution module 23 for receive it is described execute instruction, control the compressor 11 open and
It closes.Control system 20 of the invention controls holding for execution module 23 for the judgement of detection module 21 by control module 22
Row opportunity reduces the humidity of air conditioning exhausting, in the use process of air-conditioning using the protection point threshold values for reducing air-conditioning evaporating temperature
It dehumidifies to a greater extent, remaining condensed water in air-conditioning box, reaches limitation musty after reduction air-conditioning refrigeration system 10 stops working
The condition of generation.
Fig. 2 shows accord to a specific embodiment of that present invention prevention vehicle air conditioning musty generate control system 20 and
The schematic diagram of air-conditioning refrigeration system.As specific embodiment, in control system 20 of the present invention, the detection module 21
It generally may include air velocity transducer 211 and temperature sensor 212.Wherein air velocity transducer 211 is set to the air-conditioning
At blower 15, for detecting the air speed value of the air-conditioning draught fan 15.Temperature sensor 212 is set to the surface of the evaporator 16
Place, for detecting the temperature value on 16 surface of evaporator.The control module 22 (referring to Fig. 1) general packet of the invention
Air-conditioner controller 221 is included, the air-conditioner controller 221 is electrically connected with the air velocity transducer 211 and temperature sensor 212, connects
The air speed value and the temperature value are received, is executed instruction described in sending.The execution module 23 includes compressor clutch 231,
The compressor clutch 231 executes instruction described in receiving to open and close compressor clutch 231, makes the compressor 11
It opens and closes.The compressed capability of compressor 11 in other words and compressor clutch 231 are opened and closed because of compressor 11
Folding has very big relationship, therefore only needs the opening and closing for controlling compressor clutch 231 that can adjust compression well
The working condition of machine 11, to achieve the purpose that the present invention thinks to be achieved to prevent musty.
As a specific embodiment, control system 20 of the invention further includes a default settings module 24, for mentioning
It is preceding to set default air speed value, the first preset temperature value and the second preset temperature value, and in advance by the default air speed value, described first
If temperature value and second preset temperature value are exported to the air-conditioner controller 221.The present invention is in the control (ginseng of execution module 23
See Fig. 1) when, the air speed value to be detected according to detection module 21 and temperature value judge to adjust, and one is needed in deterministic process
Preset value is as reference, therefore the default settings module is highly desirable.The default settings module can connect and institute
It states control module 22 (referring to Fig. 1) outside, is also possible to a part in control module 22, carried out according to specific embodiment real
It applies.
Specifically, the Principle of Process of control system 20 of the present invention includes:
Default air speed value, the first preset temperature value and the second default temperature are set out in the default settings module in advance
Angle value；
Detection module 21 detects the temperature value on 16 surface of air speed value and evaporator of air-conditioning draught fan 15, and by the temperature value
The control module 22 is transferred to air speed value.
The air-conditioner controller 221 judges whether the air speed value of the air-conditioning draught fan 15 is greater than the default wind speed
Value.
In the case where the air speed value is not more than the default air speed value, when the temperature value of the evaporator 16 reaches institute
When stating the first preset temperature value, the air-conditioner controller 221 controls the compressor clutch 231 and closes.
In the case where the air speed value is greater than the default air speed value, described in the temperature value arrival of the evaporator 16
When the second preset temperature value, the air-conditioner controller 221 controls the compressor clutch 231 and closes.
Wherein, the first preset value is set with the second preset value according to the relative size of air speed value and default air speed value,
And default air speed value is set according to specific AIR COND SIG Air Conditioner Singnal, and under normal circumstances, presetting air speed value is air-conditioning draught fan 15
Air speed value median.Also, when real-time air speed value is high, the preset temperature value is then low；Conversely, then high.
Specifically, in specific embodiments of the present invention, it will be apparent that, it is default that first preset temperature value is greater than described second
Temperature value.As more specific embodiment, first preset temperature value is 1 DEG C, and second preset temperature value is -1 DEG C.
Control system 20 of the present invention and the wind speed of air-conditioning are associated control, guarantee the refrigeration demand of client, and pass through sky
It adjusts blower 15 to dry up the condensed water of air-conditioner host internal residual, reduces the generation probability of musty.
This control system 20 does not need additional circuit to power to control system 20, and without increasing insurance, reduces
Cost.
Control system 20 of the invention can open skylight without postponing after air-conditioning system closing directly without musty
It is convenient and efficient come the generation that moisture is discharged to prevent musty.
The control method that Fig. 3 shows the generation of the prevention vehicle air conditioning musty in one embodiment of the present of invention schematically flows
Cheng Tu.As described in Figure 3, the control method that prevention vehicle air conditioning musty of the invention generates includes the following steps:
S10 detects the air speed value of the air-conditioning draught fan 15 (referring to fig. 2) of vehicle air conditioning refrigeration system 10 (referring to fig. 2)；
S20 detects the temperature value of the evaporator 16 (referring to fig. 2) of vehicle air conditioning refrigeration system 10 (referring to fig. 2)；
S30, judges whether the air speed value of the air-conditioning draught fan 15 (referring to fig. 2) is greater than a default air speed value；
S40, in the case where the air speed value is not more than the default air speed value, when the evaporator 16 (referring to fig. 2)
Temperature value reach the first preset temperature value when, control compressor clutch 231 (referring to fig. 2) close；
S50, in the case where the air speed value is greater than the default air speed value, when the evaporator 16 (referring to fig. 2)
When temperature value reaches the second preset temperature value, control compressor clutch 231 (referring to fig. 2) is closed.
Wherein, the first preset value is set with the second preset value according to the relative size of air speed value and default air speed value,
And default air speed value is set according to specific AIR COND SIG Air Conditioner Singnal, and under normal circumstances, presetting air speed value is air-conditioning draught fan 15
(referring to fig. 2) median of air speed value.Also, when real-time air speed value is high, the preset temperature value is low；Conversely, then high.
Specifically, in specific embodiments of the present invention, it will be apparent that, it is default that first preset temperature value is greater than described second
Temperature value.As more specific embodiment, first preset temperature value is 1 DEG C, and second preset temperature value is -1 DEG C.
As a specific embodiment, the specific process of control method of the present invention are as follows:
Firstly, being set in advance, default air speed value is intermediate wind speed, the first preset temperature value is 1 DEG C, the second preset temperature
Value is -1 DEG C.
Open air-conditioning, select wind speed as needed, when detecting that air speed value is greater than default air speed value, due to wind speed compared with
Greatly, condensed water can be dried up rapidly.When the temperature of the evaporator 16 (referring to fig. 2) is spent for -1, air-conditioner controller 221
(referring to fig. 2) compressor clutch 231 (referring to fig. 2) is automatically closed.Air speed value is preset when detecting that current air speed value is not more than
When, since the lower condensed water of wind speed can not dry up rapidly, when the temperature of the evaporator 16 (referring to fig. 2) is 1 degree, air-conditioning control
Compressor clutch 231 (referring to fig. 2) is automatically closed in device 221 processed (referring to fig. 2).
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (9)
1. a kind of control system for preventing the generation of vehicle air conditioning musty generates musty, institute for preventing vehicle air conditioning refrigeration system
Stating vehicle air conditioning refrigeration system includes air-conditioning draught fan, compressor and evaporator；
The control system includes:
Detection module, for detecting the air speed value of the air-conditioning draught fan and the temperature value of the evaporator；
Control module for receiving the air speed value and the temperature value, and is issued and is executed instruction, and the control module includes sky
Adjust controller；
Execution module, for receive it is described execute instruction, control the compressor and open and close；With
Default settings module, for default air speed value, the first preset temperature value and the second preset temperature value to be set in advance, and will
The default air speed value, first preset temperature value and second preset temperature value are exported to the air-conditioner controller；
The air-conditioner controller is configured to:
Judge whether the air speed value of the air-conditioning draught fan is greater than the default air speed value；
In the case where the air speed value is not more than the default air speed value, when the temperature value of the evaporator reaches described first
When preset temperature value, the air-conditioner controller control compressor clutch is closed；
In the case where the air speed value is greater than the default air speed value, when the temperature value of the evaporator reaches described second in advance
If when temperature value, the air-conditioner controller controls the compressor clutch and closes.
2. the control system that prevention vehicle air conditioning musty according to claim 1 generates, which is characterized in that
The detection module includes:
Air velocity transducer is set at the air-conditioning draught fan, for detecting the air speed value of the air-conditioning draught fan；With
Temperature sensor is set at the surface of the evaporator, for detecting the temperature value of the evaporator surface.
3. the control system that prevention vehicle air conditioning musty according to claim 2 generates, which is characterized in that
The air-conditioner controller receives the air speed value of the air velocity transducer detection and the institute of temperature sensor detection
Temperature value is stated, is executed instruction described in sending.
4. the control system that prevention vehicle air conditioning musty according to claim 3 generates, which is characterized in that
The execution module includes compressor clutch, is executed instruction described in the compressor clutch reception to open and close
Compressor clutch opens and closes the compressor.
5. the control system that prevention vehicle air conditioning musty according to claim 1 generates, which is characterized in that
First preset temperature value is greater than second preset temperature value.
6. the control system that prevention vehicle air conditioning musty according to claim 5 generates, which is characterized in that
First preset temperature value is 1 DEG C, and second preset temperature value is -1 DEG C.
7. a kind of control method for preventing the generation of vehicle air conditioning musty, includes the following steps:
Detect the air speed value of the air-conditioning draught fan of vehicle air conditioning refrigeration system；
Detect the temperature value of the evaporator of vehicle air conditioning refrigeration system；
Judge whether the air speed value of the air-conditioning draught fan is greater than a default air speed value；
In the case where the air speed value is not more than the default air speed value, preset when the temperature value of the evaporator reaches first
When temperature value, control compressor clutch is closed；
In the case where the air speed value is greater than the default air speed value, when the temperature value of the evaporator reaches the second default temperature
When angle value, control compressor clutch is closed.
8. the control method that prevention vehicle air conditioning musty according to claim 7 generates, which is characterized in that
First preset temperature value is greater than second preset temperature value.
9. the control method that prevention vehicle air conditioning musty according to claim 7 or 8 generates, which is characterized in that
First preset temperature value is 1 DEG C, and second preset temperature value is -1 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480076.2A CN107379926B (en) | 2017-06-21 | 2017-06-21 | A kind of control device and control method of pre- anti-vehicle musty generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710480076.2A CN107379926B (en) | 2017-06-21 | 2017-06-21 | A kind of control device and control method of pre- anti-vehicle musty generation |
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| Publication Number | Publication Date |
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| CN107379926A CN107379926A (en) | 2017-11-24 |
| CN107379926B true CN107379926B (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710480076.2A Active CN107379926B (en) | 2017-06-21 | 2017-06-21 | A kind of control device and control method of pre- anti-vehicle musty generation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714847B (en) * | 2021-04-14 | 2024-08-02 | 长城汽车股份有限公司 | Vehicle air conditioner control method and device and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350021A (en) * | 1979-11-12 | 1982-09-21 | Ab Volvo | Device for preventing icing in an air conditioning unit for motor vehicles |
| US5826439A (en) * | 1995-03-04 | 1998-10-27 | Behr Gmbh & Co. | Method and circuit for on/off control of the compressor of a motor vehicle air conditioner |
| CN102896999A (en) * | 2012-10-31 | 2013-01-30 | 无锡商业职业技术学院 | Automotive air-conditioner circuit capable of removing moisture and moldy taste |
| CN103968501A (en) * | 2013-02-05 | 2014-08-06 | 福特环球技术公司 | Coolest A/C Discharge Temperature For All Operating Conditions |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57191116A (en) * | 1981-05-21 | 1982-11-24 | Nippon Denso Co Ltd | Controller of car air conditioner |
| JP4736872B2 (en) * | 2006-03-10 | 2011-07-27 | 株式会社デンソー | Air conditioner |
-
2017
- 2017-06-21 CN CN201710480076.2A patent/CN107379926B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350021A (en) * | 1979-11-12 | 1982-09-21 | Ab Volvo | Device for preventing icing in an air conditioning unit for motor vehicles |
| US5826439A (en) * | 1995-03-04 | 1998-10-27 | Behr Gmbh & Co. | Method and circuit for on/off control of the compressor of a motor vehicle air conditioner |
| CN102896999A (en) * | 2012-10-31 | 2013-01-30 | 无锡商业职业技术学院 | Automotive air-conditioner circuit capable of removing moisture and moldy taste |
| CN103968501A (en) * | 2013-02-05 | 2014-08-06 | 福特环球技术公司 | Coolest A/C Discharge Temperature For All Operating Conditions |
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| CN107379926A (en) | 2017-11-24 |
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