CN209441143U - A kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicle - Google Patents
A kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicle Download PDFInfo
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- CN209441143U CN209441143U CN201821641499.4U CN201821641499U CN209441143U CN 209441143 U CN209441143 U CN 209441143U CN 201821641499 U CN201821641499 U CN 201821641499U CN 209441143 U CN209441143 U CN 209441143U
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Abstract
The utility model relates to air conditioner of electric vehicle control fields, and in particular to a kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicle.The utility model on the pipeline of on-board air conditioner by being arranged mass flowmenter, can in real-time detection on-board air conditioner refrigerant mass flow, and the mass flow of refrigerant is sent to processor, after the testing result received is compared by processor with given threshold, if it is determined that refrigerant is excessive or insufficient, it is then sounded an alarm by alarm unit, reminds driver.The utility model can be measured in real time the mass flow of refrigerant in on-board air conditioner, and so that driver is known the number of coolant quantity in real time by alarm unit, and then carry out different operations to on-board air conditioner.
Description
Technical field
The utility model relates to air conditioner of electric vehicle control fields, and in particular to a kind of air conditioning for automobiles, air conditioning for automobiles refrigerant prison
Examining system and vehicle.
Background technique
Currently, the refrigerant of certain mass is added generally by high-low pressure injection valve in pipeline for automotive air-conditioning system
Infuse inside air-conditioning system, by observation liquid-sighting glass in refrigerant flowing state and bubble number, come judge in system roughly
The number of coolant quantity.Such as the Chinese invention patent application that application publication number is CN107782021A discloses a kind of " automobile sky
Adjust unit ", which includes compressor, high-pressure air pipe, condenser, liquid storage device, liquid-sighting glass, high-pressure liquid tube, thermal expansion
Valve and evaporator artificially observe the injection rate of refrigerant by liquid-sighting glass.
Appropriate refrigerant is filled to certain vehicle, user is during using air conditioning for automobiles, generally by human body to interior ring
The direct feel (air-conditioning does not freeze or cold air is insufficient) in border, tentatively judges whether to be caused by cold medium shortage in air-conditioning system.
And detect coolant quantity number, need to observe the state that refrigerant in liquid-sighting glass flows to judge.It is clear in general liquid-sighting glass, without gas
Bubble illustrates that refrigerant filling is excessive；Occasionally there is bubble in liquid-sighting glass, illustrates that refrigerant filling is appropriate；There are bubble, and gas in liquid-sighting glass
Bubble constantly flows through, and illustrates that refrigerant filling is insufficient.To finally judge whether by coolant quantity number and cause air-conditioning not freeze
Or the phenomenon of cold air deficiency.It is this judgement coolant quantity method, cannot observe in real time coolant quantity number and cannot will observe
As a result quantified in the form of numerical value；In addition, in test process must by stationary vehicle, can not check in the process of moving and
Observation.
Utility model content
The purpose of the utility model is to provide a kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicles, to solve
The problem of certainly prior art cannot in real time detect the coolant quantity of air conditioning for automobiles.
To achieve the above object, the utility model provides a kind of air conditioning for automobiles refrigerant monitoring system, including processor, institute
It states processor and is connected with mass flowmenter and alarm unit.
Mass flowmenter is used for the mass flow values of detected target object in the utility model, and processor obtains detection knot
Fruit simultaneously controls alarm unit according to testing result, and the utility model can be measured in real time target object.
Further, the mass flow is calculated as vane type mass flowmenter.
It is more accurate for the refrigerant testing result under liquid condition using vane type mass flowmenter.
Further, the alarm unit includes refrigerant indicator light or refrigerant indicator light and buzzer.
The utility model additionally provides a kind of air conditioning for automobiles, and the air conditioning for automobiles includes the compressor, cold by piping connection
Condenser, evaporator and expansion valve further include processor, and the processor is connected with mass flowmenter, the mass flowmenter
It is arranged on the pipeline；The processor is also connected with alarm unit.
The utility model, can be in real-time detection on-board air conditioner by the way that mass flowmenter is arranged on the pipeline of on-board air conditioner
The mass flow of refrigerant, and the mass flow of refrigerant is sent to processor, processor is by the testing result received and setting
It after threshold value is compared, if it is determined that coolant quantity is insufficient or excessive, is then sounded an alarm by alarm unit, reminds driver.This reality
The mass flow of refrigerant in on-board air conditioner can be measured in real time with novel, and keep driver real-time by alarm unit
Know the number of coolant quantity, and then carries out different operations to on-board air conditioner.
Further, the mass flowmenter is arranged on the pipeline between condenser and expansion valve.
Refrigerant exists in pipeline between condenser and expansion valve with liquid form, and mass flowmenter setting makes herein
It is more accurate to obtain testing result.
Further, the processor control connects the compressor.
Processor obtains the testing result of mass flowmenter and is judged, is controlled according to judging result to compressor
System is reduced since refrigerant is excessive or influences caused by compressor on a small quantity.
Further, the mass flow is calculated as vane type mass flowmenter.
It is more accurate for the refrigerant testing result under liquid condition using vane type mass flowmenter.
Further, the alarm unit includes refrigerant indicator light or refrigerant indicator light and buzzer.
The testing result of refrigerant can be obtained in real time convenient for operator using refrigerant indicator light and buzzer.
The utility model additionally provides a kind of vehicle, including air conditioning for automobiles, and the air conditioning for automobiles is any one of the above vapour
Vehicle air-conditioning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of on-board air conditioner in the prior art；
Fig. 2 is the vehicle-mounted air conditioning structure schematic diagram of the utility model embodiment 1；
Fig. 3 is the control flow chart of on-board air conditioner in the utility model；
In attached drawing: 1 is compressor；2 be high-pressure air pipe；3 be condenser；4 be liquid storage device；5 be liquid-sighting glass；6 be high pressure liquid
Pipe；7 be heating power expansion valve；8 be evaporator；9 be mass flowmenter.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
The utility model cannot observe in real time for coolant quantity in the on-board air conditioner on vehicle and observed result inaccuracy
Problem devises a kind of air conditioning for automobiles refrigerant monitoring system, and air conditioning for automobiles refrigerant monitoring system includes processor, and processor connects
It is connected to mass flowmenter and alarm unit.Mass flowmenter is used to detect the mass flow of refrigerant in air-conditioning, when the refrigerant of detection
When for liquid condition, preferred impeller formula mass flowmenter.Alarm unit includes refrigerant indicator light or refrigerant indicator light and buzzer
Combination unit.
Mass flowmenter in air conditioning for automobiles refrigerant monitoring system is mounted in the pipeline on on-board air conditioner, and air conditioning for automobiles is cold
Matchmaker constitutes the air conditioning for automobiles of the utility model after monitoring system in conjunction with on-board air conditioner original on vehicle.The survey of this mass flowmenter
Amount principle is the power size generated when being flowed in pipe by measuring fluid to tube wall, and its internal structure is made to generate corresponding letter
Number, and generated signal can be parsed into mass flow values and visual signals through inter-process, mass flowmenter will
It handles obtained mass flow values and visual signals is sent to processor, processor passes through instrument again or display screen carries out
Mass flow values and visual signals are passed to user by display.Instrument or the display format of display screen are to directly display
Numerical value and the color change by controlling different refrigerant indicator light are shown.Situation that can also be excessive or very few in refrigerant
Under, while indicator light flashes, buzzer warning.
Processor in the utility model can be a processor being separately provided, and also can use existing vehicle on vehicle
Set controller.Display screen or instrument can be separately provided simultaneously, also can use existing display screen on vehicle and shown.
The installation site of mass flowmenter can be any position on pipeline in the utility model, be preferably mounted at cold
On pressure duct between condenser and restricting element (expansion valve), because refrigerant is in pipeline between condenser and restricting element
Exist in fluid form, the measurement result of mass flowmenter is more accurate, while the type of mass flowmenter selects vane type
Flowmeter is optimal.If mass flowmenter to be arranged in the other positions of pipeline, need according in pipeline refrigerant there are shapes
Formula is specifically chosen the type of mass flowmenter, for example, if being the gas liquid mixture of refrigerant in pipeline, then chooses and is directed to gas
The mass flowmenter that liquid mixture is detected, such as Coriolis mass flowmeter.If refrigerant is gas form in pipeline, choose
For the mass flowmenter of gas, such as thermal type gas quality flow meter.
The embodiment of an air conditioning for automobiles is provided below according to the specific location of mass flowmenter.
Air conditioning for automobiles embodiment
It is as shown in Figure 1 the structural schematic diagram of on-board air conditioner in the prior art, including compressor 1, high-pressure air pipe 2, condensation
The devices such as device 3, liquid storage device 4, liquid-sighting glass 5, high-pressure liquid tube 6, heating power expansion valve 7, evaporator 8 are connected by pipeline between device
It connects.
It is the structural schematic diagram of air conditioning for automobiles in the present embodiment as shown in Figure 2, the present embodiment is carried out on the basis of Fig. 1
It improves, the difference with Fig. 1 is high-pressure liquid tube 6 of the present embodiment between condenser 3 and restricting element (heating power expansion valve 7)
Upper to be provided with mass flowmenter 9, the refrigerant in high-pressure liquid tube 6 flows through mass flowmenter 9 in fluid form.Condenser 3 and heat
Pipeline between power expansion valve 7 is divided into two parts, and a part is the pipeline between condenser 3 and liquid storage device 4；Another part is storage
Pipeline between liquid device 4 and heating power expansion valve 7.Mass flowmenter 9 is arranged in liquid storage device 4 and heating power expansion valve 7 in the present embodiment
Between pipeline on, in other embodiments, also can be set on the pipeline between condenser 3 and liquid storage device 4.
Air conditioning for automobiles is run in the present embodiment, compressor operating, is managed interior refrigerant and is flowed in systems.When refrigerant passes through quality
When flowmeter, mass flowmenter can directly measure the mass flow of refrigerant, and give data transfer to control unit (processor), by
Control unit is transferred to instrument or display screen is shown, and control unit can change according to the size of refrigerant mass flow values
Become the color of refrigerant indicator light on instrument or display screen.When mass flow value is more or less than a certain value range, control unit
The work of compressor can be disconnected.
The type of the air conditioning for automobiles of different automobiles understands some differences, then the value range of mass flow setting can pass through experience
Value and test are demarcated.As shown in figure 3, in the utility model, three value ranges of the mass flow setting of refrigerant are respectively
A1, A2 and A3, A1 > A2 > A3.In the air conditioning for automobiles course of work, when the numerical value of refrigerant mass flow is greater than A1, it was demonstrated that filling
Refrigerant it is excessive, control unit interrupts compressor operating, and on instrument or display screen refrigerant indicator light light up as red flashing or
Refrigerant indicator light red flashes and issues alarm sound.When numerical value is between A1 and A2, it was demonstrated that appropriate refrigerant, refrigerant refer to
Show that lamp lights up as green.When numerical value is between A2 and A3, air conditioning for automobiles refrigerant is less, and air conditioning for automobiles can work on, cold
Matchmaker's indicator light lights up as yellow.When numerical value is less than A3, it was demonstrated that refrigerant seriously lacks, and control unit interrupts compressor operating, and
The flashing of refrigerant indicator light point shiny red or refrigerant indicator light red flash and issue alarm sound in instrument or display screen.Fig. 3
Three control units of middle display are practical to refer to a processor.
Wherein, indicator light flashing is that duration is flashed to trouble shooting or vehicle stall.Alarm sound is initial prompt,
Sound go 30s, period 1s, duty ratio are 50% (time, period, duty ratio can be adjusted according to demand).
The utility model, can be in instrument or display screen after air conditioning for automobiles respective line installs mass flowmenter additional
The mass flow and working condition of real-time display air conditioning for automobiles refrigerant indicate that information reminding user solves phase according to indicator light colors
Pass problem.Vehicle is either static or driving status can read automobile in instrument or display screen after opening air conditioning for automobiles
The mass flow and working condition of air conditioner coolant promote user to the Experience Degree of air conditioning for automobiles.
When phenomena such as not freezing, cooling capacity is insufficient, compressor does not work occurs in air conditioning for automobiles, by instrument or display screen
The number of flow number or the color change of refrigerant indicator light, can be it is first determined whether be caused by the number of coolant quantity.This sentences
Disconnected the method is simple and quick, and quantization is intuitive, avoids inspection of getting off.
The amount of refrigerant is excessive when air conditioning for automobiles works, in system or the very few service life that can reduce compressor.This reality
Compressor work can be interrupted by control unit when refrigerant is excessive or very few with the detection system of novel setting mass flow
Make, to reduce influence of the refrigerant to compressor.
The utility model additionally provides a kind of vehicle, which is provided with the air conditioning for automobiles of the utility model, and the automobile is empty
It stealthily substitutes and includes the air conditioning for automobiles refrigerant monitoring system of the utility model.
Be presented above the utility model relates to specific embodiment, but the utility model is not limited to described reality
Mode is applied, such as in other embodiments, changes the specific setting position of mass flowmenter, or to quality flow meter model
Specific choice, the technical solution formed in this way is to be finely adjusted to be formed to above-described embodiment, and this technical solution is still fallen within
In the protection scope of the utility model.
Claims (9)
1. a kind of air conditioning for automobiles refrigerant monitors system, it is characterised in that: including processor, the processor is connected with mass flow
Meter and alarm unit；The mass flowmenter is for being mounted on the pipeline that on-board air conditioner upstream is connected with refrigerant.
2. air conditioning for automobiles refrigerant according to claim 1 monitors system, it is characterised in that: the mass flow is calculated as impeller
Formula mass flowmenter.
3. air conditioning for automobiles refrigerant according to claim 1 or 2 monitors system, it is characterised in that: the alarm unit includes
Refrigerant indicator light or refrigerant indicator light and buzzer.
4. a kind of air conditioning for automobiles, the air conditioning for automobiles includes by the compressor of piping connection, condenser, evaporator and expansion
Valve, it is characterised in that: further include processor, the processor is connected with mass flowmenter, and the mass flowmenter is arranged in institute
It states on pipeline；The processor is also connected with alarm unit.
5. air conditioning for automobiles according to claim 4, it is characterised in that: the mass flowmenter is arranged in condenser and expansion
On pipeline between valve.
6. air conditioning for automobiles according to claim 5, it is characterised in that: the processor control connects the compressor.
7. air conditioning for automobiles according to claim 6, it is characterised in that: the mass flow is calculated as vane type mass flow
Meter.
8. air conditioning for automobiles according to claim 7, it is characterised in that: the alarm unit includes refrigerant indicator light or refrigerant
Indicator light and buzzer.
9. a kind of vehicle, including air conditioning for automobiles, it is characterised in that: the air conditioning for automobiles is to appoint in claim 4 to claim 8
It anticipates air conditioning for automobiles described in a claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641499.4U CN209441143U (en) | 2018-10-10 | 2018-10-10 | A kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821641499.4U CN209441143U (en) | 2018-10-10 | 2018-10-10 | A kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209441143U true CN209441143U (en) | 2019-09-27 |
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ID=68009900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821641499.4U Active CN209441143U (en) | 2018-10-10 | 2018-10-10 | A kind of air conditioning for automobiles, air conditioning for automobiles refrigerant monitoring system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209441143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553343A (en) * | 2019-10-08 | 2019-12-10 | 芜湖美智空调设备有限公司 | Refrigerant leakage detection method and system of air conditioner and air conditioner |
-
2018
- 2018-10-10 CN CN201821641499.4U patent/CN209441143U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553343A (en) * | 2019-10-08 | 2019-12-10 | 芜湖美智空调设备有限公司 | Refrigerant leakage detection method and system of air conditioner and air conditioner |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210218 Address after: 461500 16 Wei Wu Road, Changge, Xuchang, Henan Patentee after: HENAN SENYUAN HEAVY INDUSTRY Co.,Ltd. Patentee after: Yuzhou Senyuan wisdom sanitation Technology Co.,Ltd. Address before: 461500 16 Wei Wu Road, Changge, Xuchang, Henan Patentee before: HENAN SENYUAN HEAVY INDUSTRY Co.,Ltd. |