CN207433194U - A kind of two-stage enthalpy increasing air conditioning system for vehicle - Google Patents
A kind of two-stage enthalpy increasing air conditioning system for vehicle Download PDFInfo
- Publication number
- CN207433194U CN207433194U CN201721383325.8U CN201721383325U CN207433194U CN 207433194 U CN207433194 U CN 207433194U CN 201721383325 U CN201721383325 U CN 201721383325U CN 207433194 U CN207433194 U CN 207433194U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pipeline
- low
- heat exchanger
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a kind of two-stage enthalpy increasing air conditioning system for vehicle, and the two-stage enthalpy increasing air conditioning system for vehicle includes：Compressor (1), including middle pressure gas supplementing opening (12), and the compressor (1) is positive displacement compressor；Indoor heat exchanger (6), outdoor heat exchanger (2) and main throttling set (3)；Gas-supplying enthalpy-increasing component is additionally provided on pipeline wherein between the indoor heat exchanger (6) and the main throttling set (3), the middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates is connected in medium pressure gas supplementing opening (12).The utility model can be variable by volumetric ratio Gas-supplying enthalpy-increasing by way of for air conditioning system for vehicle improve heating capacity, overcome automobile especially electric vehicle there are heating capacity it is low the defects of, and efficiency can also be effectively improved, reduce power consumption, efficiency when can not only ensure the heating capacity and efficiency under compressor worst cold case, but also ensure to run under common operating mode.
Description
Technical field
The utility model belongs to air-conditioning technical field, and in particular to a kind of two-stage enthalpy increasing air conditioning system for vehicle.
Background technology
Pure electric coach uses heat pump more at present since no fuel engines waste heat is as heating reservoir at present in industry
Or the technical solution of heat pump+PTC.There are problems that following three aspect using heat pump system scheme in severe cold winter：
1st, single-stage heat pump scheme system heating capacity deficiency, especially below 0 DEG C at a temperature of low temperature environment；
2nd, heat pump+PTC schemes meet heating capacity requirement, but heat efficiency is low, power consumption is high.Seriously affect the continuation of the journey of electric car
Mileage；
3rd, common Dual-level enthalpy adding compressor height is arbitrarily downgraded, and volumetric ratio is immutable, and low-temperature heating capacity and efficiency are relatively low, if protecting
The heating capacity and efficiency under compressor worst cold case are demonstrate,proved, efficiency when being run under common operating mode can decline to a great extent again.
Since electric vehicle of the prior art is especially made there are heating capacity deficiency at a temperature of 0 DEG C of such as the following low temperature environment
Shortage of heat and there are the technical problems such as heat efficiency is low, power consumption is high, and traditional Two-stage Compression car air-conditioner discharge capacity is immutable, because
This utility model research and design goes out a kind of two-stage enthalpy increasing air conditioning system for vehicle.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome electric vehicle of the prior art that there are heating capacities
Deficiency especially in heating capacity deficiency at a temperature of 0 DEG C of such as the following low temperature environment and there are the defects of heat efficiency is low, power consumption is high, from
And provide a kind of two-stage enthalpy increasing air conditioning system for vehicle.
The utility model provides a kind of two-stage enthalpy increasing air conditioning system for vehicle, including：
Compressor, including middle pressure gas supplementing opening, and the compressor is positive displacement compressor；
Indoor heat exchanger, outdoor heat exchanger and main throttling set；
Gas-supplying enthalpy-increasing component is additionally provided on pipeline wherein between the indoor heat exchanger and the main throttling set,
The middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates is connected in medium pressure gas supplementing opening.
Preferably,
The Gas-supplying enthalpy-increasing component includes middle pressure tonifying Qi pipeline, and one end of medium pressure tonifying Qi pipeline is connected to the interior and changes
On pipeline between hot device and the main throttling set, the other end connects with medium pressure gas supplementing opening.
Preferably,
Intermediate Heat Exchanger is further included, defines the pipeline between the indoor heat exchanger and the main throttling set as the first pipe
Section, medium pressure tonifying Qi pipeline and first pipeline section are simultaneously through the Intermediate Heat Exchanger, in the Intermediate Heat Exchanger
Carry out heat exchange.
Preferably,
It is first node that medium pressure tonifying Qi pipeline, which is defined, with the first pipeline section intersection, and in medium pressure blowdown pipe
On the road, the position between the first node and the Intermediate Heat Exchanger is additionally provided with middle pressure throttling set.
Preferably,
The main throttling set and medium pressure throttling set are electric expansion valve, and the Intermediate Heat Exchanger changes to be board-like
Hot device.
Preferably,
The compressor is three cylinder positive displacement compressors, including low-pressure stage constant volume cylinder, low-pressure stage transfiguration cylinder and hiigh pressure stage transfiguration
Cylinder, and the low-pressure stage constant volume cylinder is arranged in parallel with low-pressure stage transfiguration cylinder.
Preferably,
Low pressure air suction pipeline is further included, and branch first is provided between the low pressure air suction pipeline and the compressor
Low pressure air suction pipeline and the second low pressure air suction pipeline, wherein the suction of the first low pressure air suction pipeline and the low-pressure stage constant volume cylinder
Gas port is connected, and the second low pressure air suction pipeline is connected with the air entry of the low-pressure stage transfiguration cylinder.
Preferably,
After the exhaust outlet of the low-pressure stage constant volume cylinder is connected with the exhaust outlet of the low-pressure stage transfiguration cylinder, then it is connected to the height
It arbitrarily downgrades the air entry of constant volume cylinder, and medium pressure gas supplementing opening is connected with the air entry of the hiigh pressure stage constant volume cylinder.
Preferably,
The compressor is Slidine-vane rotor formula compressor, and the low-pressure stage transfiguration cylinder includes cylinder body, slide plate chamber and energy
The slide plate moved in the slide plate chamber, the slide plate further include head and afterbody, and the afterbody is located in the slide plate chamber
Back pressure cavity is formed between cylinder body, further includes the high pressure gas pipeline being connected with the exhaust outlet of the compressor, and it is described
Back pressure cavity is connected to the low pressure air suction pipeline by first pressure introduction pipeline, and the back pressure cavity is also introduced by second pressure
Pipeline is connected to the high pressure gas pipeline, and is provided with the first control valve on the first pressure introduction pipeline, described
The second control valve is provided on second pressure introduction pipeline.
Preferably,
First control valve and second control valve are solenoid valve.
A kind of two-stage enthalpy increasing air conditioning system for vehicle provided by the utility model has the advantages that：
1. the two-stage enthalpy increasing air conditioning system for vehicle of the utility model, by being filled in the indoor heat exchanger and the main throttling
Gas-supplying enthalpy-increasing component is additionally provided on pipeline between putting, the middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates is connected to institute
It states in pressure gas supplementing opening and the compressor is positive displacement compressor, can be by way of the variable Gas-supplying enthalpy-increasing of volumetric ratio
Air conditioning system for vehicle improves heating capacity, overcome automobile especially electric vehicle there are heating capacity it is low the defects of, and can also be effectively
It improves efficiency, reduce power consumption, can not only ensure the heating capacity and efficiency under compressor worst cold case, but also ensure under common operating mode
Efficiency during operation；
2. the two-stage enthalpy increasing air conditioning system for vehicle of the utility model replaces single-stage heat using two-stage enthalpy increasing compression heat pump system
Pumping system+PTC schemes can promote the heating capacity of air conditioning system for vehicle and heating COP；Using the variable vehicle of high-low pressure volumetric ratio
With air-conditioning system, the optimization of heating capacity and efficiency under the conditions of room temperature and worst cold case can be met simultaneously；By to automobile-used sky
Effective control of adjusting system, realizes the stable operation of system；Solve that traditional pure electric coach heat pump air conditioner heating capacity is low and energy
The poor problem of effect；Solve the problems, such as that traditional Two-stage Compression car air-conditioner discharge capacity is immutable.
Description of the drawings
Fig. 1 is the structure diagram of the two-stage enthalpy increasing air conditioning system for vehicle of the utility model.
Reference numeral is expressed as in figure：
1st, compressor；11st, high-pressure exhaust；12nd, middle pressure gas supplementing opening；2nd, outdoor heat exchanger；3rd, main throttling set；4th, it is intermediate
Heat exchanger；5th, middle pressure throttling set；6th, indoor heat exchanger；7th, four-way valve；8th, gas-liquid separator；10th, middle pressure tonifying Qi pipeline；10a、
First node；13rd, low pressure air suction pipeline；14th, the first low pressure air suction pipeline；15th, the second low pressure air suction pipeline；16th, high pressure gas
Pipeline；17th, first pressure introduction pipeline；18th, second pressure introduction pipeline；19th, the first control valve；20th, the second control valve；21、
First pipeline section.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of two-stage enthalpy increasing air conditioning system for vehicle, including：
Compressor 1, including high-pressure exhaust 11 and middle pressure gas supplementing opening 12, the compressor 1 is positive displacement compressor；
Indoor heat exchanger 6, outdoor heat exchanger 2 and main throttling set 3；
Gas-supplying enthalpy-increasing group is additionally provided on pipeline wherein between the indoor heat exchanger 6 and the main throttling set 3
Part, the middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates are connected in medium pressure gas supplementing opening 12.
By being additionally provided with Gas-supplying enthalpy-increasing component on the pipeline between the indoor heat exchanger and the main throttling set,
The middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates is connected in medium pressure gas supplementing opening and the compressor is transfiguration pressure
Contracting machine can improve heating capacity for air conditioning system for vehicle by way of the variable Gas-supplying enthalpy-increasing of volumetric ratio, overcome automobile especially
Electric vehicle there are heating capacity it is low the defects of, and efficiency can also be effectively improved, reduce power consumption, can both ensure that compressor is low
Heating capacity and efficiency under warm operating mode, and the efficiency under the common operating mode of guarantee during operation.
Single-stage heat pump system+PTC schemes are replaced using two-stage enthalpy increasing compression heat pump system, air conditioning system for vehicle can be promoted
Heating capacity and heating COP；Using the variable air conditioning system for vehicle of high-low pressure volumetric ratio, room temperature and worst cold case can be met simultaneously
Under the conditions of the optimization of heating capacity and efficiency；By effective control to air conditioning system for vehicle, the stable operation of system is realized；
Solve the problems, such as that traditional pure electric coach heat pump air conditioner heating capacity is low and efficiency difference；Solve traditional Two-stage Compression car air-conditioner discharge capacity
Immutable problem.
Preferably,
The Gas-supplying enthalpy-increasing component includes middle pressure tonifying Qi pipeline 10, and one end of medium pressure tonifying Qi pipeline 10 is connected to the room
On pipeline between interior heat exchanger 6 and the main throttling set 3, the other end connects with medium pressure gas supplementing opening 12.This is this reality
With the chief component of new Gas-supplying enthalpy-increasing component, pass through middle pressure tonifying Qi pipeline and above-mentioned corresponding connection relation, energy
Enough pipelines between indoor heat exchanger and main throttling set press refrigerant, the middle pressure gas supplementing opening for being introduced into compressor in being introduced into, with right
Compressor presses refrigerant supply in carrying out, effectively prevent that low temperature refrigerant can not be from outdoor absorption heat and mobility under worst cold case
Difference can not be converged into compressor, ensure the proper flow of refrigerant in air-conditioning system, improve the operational reliability of system.
Preferably,
Intermediate Heat Exchanger 4 is further included, defines pipeline between the indoor heat exchanger 6 and the main throttling set 3 as the
One pipeline section 21, medium pressure tonifying Qi pipeline 10 and first pipeline section 21 are simultaneously through the Intermediate Heat Exchanger 4, in described
Between heat exchange is carried out in heat exchanger 4.In a manner that Intermediate Heat Exchanger is set can will by indoor heat exchanger exchange heat after
Refrigerant carries out heat exchange (be depressured and heat up), so that the refrigerant into pressure gas supplementing opening in compressor has appropriate middle pressure in
Temperature ensures the progress of Gas-supplying enthalpy-increasing.
Preferably,
It is first node 10a that medium pressure tonifying Qi pipeline 10, which is defined, with 21 intersection of the first pipeline section, and in described
It presses on tonifying Qi pipeline 10, the position between the first node 10a and the Intermediate Heat Exchanger 4 is additionally provided with middle pressure throttling
Device 5.By above-mentioned position set in press throttling set can to entrance in press tonifying Qi pipeline in refrigerant be first depressured,
It heats up again, while to further being cooled down into the refrigerant in the first pipeline section, so as to reduce refrigerant mass dryness fraction, Jin Erti
Evaporation endothermic amount in high outdoor heat exchanger improves the enthalpy of air-conditioning system.
Preferably,
The main throttling set 3 and medium pressure throttling set 5 are electric expansion valve, and the Intermediate Heat Exchanger 4 is plate
Formula heat exchanger.This is the preferred kind of two throttling sets of the utility model and the preferred kind of Intermediate Heat Exchanger.
Preferably,
The compressor is three cylinder positive displacement compressors (being preferably horizontal three cylinders positive displacement compressor), including low-pressure stage constant volume
Cylinder, low-pressure stage transfiguration cylinder and hiigh pressure stage transfiguration cylinder, and the low-pressure stage constant volume cylinder is arranged in parallel with low-pressure stage transfiguration cylinder.This is this
The preferred constructive form of the positive displacement compressor of utility model can carry out transfiguration adjusting by low-pressure stage transfiguration cylinder, realize two level
Three cylinder positive displacement compressors and control and regulation, controlled to adjust for heavy load heating condition operational mode (low-temperature heating) realization,
Heating capacity and heat efficiency are effectively improved for existing single heating and PTC heatings and two-stage enthalpy increasing heating.
Preferably,
Low pressure air suction pipeline 13 is further included, and is provided with to branch between the low pressure air suction pipeline 13 and the compressor
First low pressure air suction pipeline 14 and the second low pressure air suction pipeline 15, wherein the first low pressure air suction pipeline 14 and the low-pressure stage
The air entry of constant volume cylinder is connected, and the second low pressure air suction pipeline 15 is connected with the air entry of the low-pressure stage transfiguration cylinder.
This is the preferred connection mode of the suction end of two low pressure (LP) cylinders of three cylinder compressor of transfiguration of the utility model, by low
Two suction lines that pressure suction line is branched off carry out supply effect to two low pressure (LP) cylinders respectively.
Preferably,
After the exhaust outlet of the low-pressure stage constant volume cylinder is connected with the exhaust outlet of the low-pressure stage transfiguration cylinder, then it is connected to the height
It arbitrarily downgrades the air entry of constant volume cylinder, and medium pressure gas supplementing opening 12 is connected with the air entry of the hiigh pressure stage constant volume cylinder.This is this reality
It is low by two with the connection relation between two low pressure (LP) cylinders and high pressure cylinder of three new cylinder transfiguration cylinders and middle pressure gas supplementing opening
Cylinder pressure exhaust outlet is connected and gas supplementing opening is pressed in combining, and is connected to the air entry of high pressure cylinder together, increases so as to fulfill compressor capacity
And effect and the effect of Gas-supplying enthalpy-increasing.
Preferably,
The compressor is Slidine-vane rotor formula compressor, and the low-pressure stage transfiguration cylinder includes cylinder body, slide plate chamber and energy
The slide plate moved in the slide plate chamber, the slide plate further include head and afterbody, and the afterbody is located in the slide plate chamber
Back pressure cavity is formed between cylinder body, further includes the high pressure gas pipeline being connected with the high-pressure exhaust of the compressor 11
16, and the back pressure cavity is connected to the low pressure air suction pipeline 13 by first pressure introduction pipeline 17, the back pressure cavity is also logical
It crosses second pressure introduction pipeline 18 and is connected to the high pressure gas pipeline 16, and set on the first pressure introduction pipeline 17
There is the first control valve 19, the second control valve 20 is provided on the second pressure introduction pipeline 18.
This is the further preferred constructive form of the compressor of the utility model, by from low pressure air suction pipeline and high pressure
Gas exhaust piping is introduced into low pressure and high-pressure into slide plate back pressure cavity respectively, whether slide plate to be controlled to withstand roller, so as to
Control whether the transfiguration cylinder works, when the low pressure being introduced into low pressure air suction pipeline, the pressure of back pressure cavity is less than slide plate head
The pressure of compression chamber at portion, then slide plate is pushed downwards out, is not in contact with roller, so that the transfiguration cylinder not work
Make, when the high-pressure being introduced into high pressure gas pipeline, the pressure of back pressure cavity more than the compression chamber at slide plate head pressure,
Then slide plate is pushed upwardly to roller contact and abutting, so that the transfiguration cylinder working is compressed, passes through two controls
Valve can efficiently control the opening and closing of two pressure introduction pipelines, so as to which the transfiguration cylinder of compressor be controlled to open or closed.
Preferably,
First control valve 19 and second control valve 20 are solenoid valve.This is the control valve of the utility model
Preferred kind.
The utility model also provides a kind of control method of two-stage enthalpy increasing air conditioning system for vehicle, is increased using foregoing twin-stage
Enthalpy air conditioning system for vehicle controls the air-conditioning system to carry out conventional heating, Gas-supplying enthalpy-increasing system according to the load of heating condition height
Heat or the heating of heavy load Gas-supplying enthalpy-increasing.
By using foregoing two-stage enthalpy increasing air conditioning system for vehicle, the indoor heat exchanger and the main throttling set it
Between pipeline on be additionally provided with Gas-supplying enthalpy-increasing component, the middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates be connected to it is described in
It presses in gas supplementing opening and the compressor is positive displacement compressor, it can be by way of the variable Gas-supplying enthalpy-increasing of volumetric ratio to be automobile-used
Air-conditioning system improves heating capacity, overcome automobile especially electric vehicle there are heating capacity it is low the defects of, and can also effectively improve
Efficiency reduces power consumption, can not only ensure the heating capacity and efficiency under compressor worst cold case, but also ensures to run under common operating mode
When efficiency.
Single-stage heat pump system+PTC schemes are replaced using two-stage enthalpy increasing compression heat pump system, air conditioning system for vehicle can be promoted
Heating capacity and heating COP；Using the variable air conditioning system for vehicle of high-low pressure volumetric ratio, room temperature and worst cold case can be met simultaneously
Under the conditions of the optimization of heating capacity and efficiency；By effective control to air conditioning system for vehicle, the stable operation of system is realized；
Solve the problems, such as that traditional pure electric coach heat pump air conditioner heating capacity is low and efficiency difference；Solve traditional Two-stage Compression car air-conditioner discharge capacity
Immutable problem.
The utility model by above-mentioned technological means, it can be achieved that air conditioning system for vehicle conventional load operating mode (IPLV operating modes),
Heavy load operating mode (low-temperature heating) Effec-tive Function.By adjusting air conditioning system for vehicle minimum cylinder volume ratio, conventional operating mode and again is realized
Load condition controls respectively, and it is constant to break traditional vehicular air conditioner unit volumetric ratio, has widened the use scope of car air-conditioner, realizes
It is efficiently heated under car air-conditioner unit exceedingly odious operating mode；The car air-conditioner system compressed by using three cylinder transfiguration two-stage enthalpy increasings
System can improve the ability and efficiency of full working scope.
Preferably,
When including middle pressure throttling set 5：
The conventional heating is：When the load of heating condition is less than the first preset value, control medium pressure throttling set 5
It closes；
The Gas-supplying enthalpy-increasing heats：When the load of heating condition is higher than the first preset value, control medium pressure throttling
Device 5 is opened.
Conventional heating need not open Gas-supplying enthalpy-increasing component, just can carry out reaching demand only with the heating of refrigerant in itself,
This premise is when heating condition load is relatively low, and Gas-supplying enthalpy-increasing heating is opened when being and being higher than the first preset value for heating condition load
It opens, the relatively conventional heating of load at this time is high but is not very high, and the heating capacity and system of raising system can be acted on by Gas-supplying enthalpy-increasing
Thermal energy imitates (COP) value.
Preferably,
When the load of heating condition is higher than the first preset value and is less than the second preset value, with the rise of load, adjust
The aperture of medium pressure throttling set 5 gradually increases, wherein the second preset value>First preset value.This is twin-stage Gas-supplying enthalpy-increasing mould
Further preferred control mode under formula with the rise of load, presses the aperture of throttling set gradually to increase in should adjusting, with
Increase the effect of Gas-supplying enthalpy-increasing, so as to improve heating capacity and heat efficiency value.
Preferably,
When first control valve 19 including the first control valve 19 and during the second control valve 20, is controlled to open, described second
Control valve 20 is closed so that is introduced low pressure to back pressure cavity from low pressure air suction pipeline 13, is unloaded the slide plate, low-pressure stage transfiguration
Cylinder does not work.Operating mode load at this time belongs to moderate, is not very high but not low, then opens twin-stage Gas-supplying enthalpy-increasing, but closes
Transfiguration cylinder, control transfiguration cylinder do not work.
1. conventional load heating condition operational mode (IPLV operating modes, i.e. Gas-supplying enthalpy-increasing heating mode)
Car air-conditioner unit is when conventional heating operating mode is run, after refrigerant is compressed by horizontal three cylinders positive displacement compressor 1,
Heat exchanger 6 is got in by four-way valve 7 and carries out condensation heat release, and condensed refrigerant divides two-way, and throttling is pressed in passing through all the way
Device 5 (electric expansion valve) throttles, and the refrigerant after throttling enters the middle pressure tonifying Qi of compressor 1 by plate heat exchanger
Mouthful, by Gas-supplying enthalpy-increasing, improve the heating capacity of unit mass.The control of throttling set 5 (electric expansion valve) aperture is pressed by centering
System, adjusts compressor air compensation, and the heating capacity and efficiency for improving car air-conditioner are optimal.Another way is directly over plate-type heat-exchange
Device enters main throttling set 3 (electric expansion valve) and further throttles to refrigerant, and the refrigerant after throttling enters outdoor heat exchanger 2
Heat absorption is evaporated, returning to horizontal type gas and liquid separator 8 by four-way valve 7 afterwards carries out vapor-liquid separation, eventually passes back to horizontal three cylinder
Positive displacement compressor 1 completes a Xun Huan.This cyclic process need to close the second control valve 20, open the first control valve 19, press at this time
Dynamic balance, transfiguration cylinder do not work.Compressor can be equivalent to common Dual-level enthalpy adding compressor, and volumetric ratio is constant, realize conventional load
The optimal Energy Efficiency Ratio of heating mode.
Preferably,
The heavy load Gas-supplying enthalpy-increasing heats：When heating condition load be higher than second preset value when, when including
When the first control valve 19 and the second control valve 20, control first control valve 19 is closed, second control valve 20 is opened, and is made
It obtains from high pressure gas pipeline 16 and introduces low pressure to back pressure cavity, load the slide plate, low-pressure stage transfiguration cylinder working.
2. heavy load heating condition operational mode (low-temperature heating)
Car air-conditioner unit is when low-temperature heating operating mode is run, after refrigerant is compressed by horizontal three cylinders positive displacement compressor 1,
Heat exchanger 6 is got in by four-way valve 7 and carries out condensation heat release, and condensed refrigerant divides two-way, and throttling is pressed in passing through all the way
Device 5 (electric expansion valve) throttles, and the refrigerant after throttling enters the gas supplementing opening of compressor 1 by plate heat exchanger, leads to
Gas-supplying enthalpy-increasing is crossed, improves the heating capacity of unit mass.Another way is directly over plate heat exchanger and enters main 5 (electronics of throttling set
Expansion valve) it further throttles to refrigerant, the refrigerant after throttling enters outdoor heat exchanger 2 and is evaporated after heat absorption by four
Port valve 7 returns to horizontal type gas and liquid separator 8 and carries out vapor-liquid separation, eventually passes back to horizontal three cylinders positive displacement compressor 1, completes one and follows
Ring.This cyclic process need to open the second control valve 20, close the first control valve 19, under the action of pressure difference, carry out transfiguration cylinder
It works, compressor is increased the minimum cylinder volume of air conditioning system for vehicle, changed height and arbitrarily downgraded using three cylinder operational modes under this load
Volumetric ratio.Improve the heating capacity of air conditioning system for vehicle low-temperature heating operational mode.This method can be effectively increased car air-conditioner system
System low-temperature heating capacity, while compared with the car air-conditioner of tradition+ptc, substantially increase the efficiency of car air-conditioner unit.
Preferably,
When including middle pressure throttling set 5, continue to raise with load, control to adjust medium pressure throttling set 5
Aperture gradually increases.The aperture of throttling set is pressed in can so being adjusted according to the variation of load, to adjust the cold of Gas-supplying enthalpy-increasing
Matchmaker's flow, to have the function that enhancing or weaken Gas-supplying enthalpy-increasing and effect so that heating capacity meet demand, while improve heating energy
Valid value.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.The above is only the preferred embodiment of the utility model, it is noted that for the art
For those of ordinary skill, on the premise of the utility model technical principle is not departed from, several improvement and modification can also be made,
These improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of two-stage enthalpy increasing air conditioning system for vehicle, it is characterised in that：Including：
Compressor (1), including middle pressure gas supplementing opening (12), and the compressor (1) is positive displacement compressor；
Indoor heat exchanger (6), outdoor heat exchanger (2) and main throttling set (3)；
Gas-supplying enthalpy-increasing group is additionally provided on pipeline wherein between the indoor heat exchanger (6) and the main throttling set (3)
Part, the middle pressure cold media gas that the Gas-supplying enthalpy-increasing component generates are connected in medium pressure gas supplementing opening (12).
2. air-conditioning system according to claim 1, it is characterised in that：
The Gas-supplying enthalpy-increasing component includes middle pressure tonifying Qi pipeline (10), and one end of medium pressure tonifying Qi pipeline (10) is connected to the room
On pipeline between interior heat exchanger (6) and the main throttling set (3), the other end connects with medium pressure gas supplementing opening (12).
3. air-conditioning system according to claim 2, it is characterised in that：
Intermediate Heat Exchanger (4) is further included, the pipeline defined between the indoor heat exchanger (6) and the main throttling set (3) is
First pipeline section (21), medium pressure tonifying Qi pipeline (10) and first pipeline section (21) at the same through the Intermediate Heat Exchanger (4),
To carry out heat exchange in the Intermediate Heat Exchanger (4).
4. air-conditioning system according to claim 3, it is characterised in that：
It is first node (10a) that medium pressure tonifying Qi pipeline (10), which is defined, with the first pipeline section (21) intersection, and described
On middle pressure tonifying Qi pipeline (10), the position between the first node (10a) and the Intermediate Heat Exchanger (4) is additionally provided with
Middle pressure throttling set (5).
5. air-conditioning system according to claim 4, it is characterised in that：
The main throttling set (3) and medium pressure throttling set (5) are electric expansion valve, and the Intermediate Heat Exchanger (4) is
Plate heat exchanger.
6. according to the air-conditioning system any one of claim 1-5, it is characterised in that：
The compressor is three cylinder positive displacement compressors, including low-pressure stage constant volume cylinder, low-pressure stage transfiguration cylinder and hiigh pressure stage transfiguration cylinder, and
The low-pressure stage constant volume cylinder is arranged in parallel with low-pressure stage transfiguration cylinder.
7. air-conditioning system according to claim 6, it is characterised in that：
Low pressure air suction pipeline (13) is further included, and is provided with to branch between the low pressure air suction pipeline (13) and the compressor
First low pressure air suction pipeline (14) and the second low pressure air suction pipeline (15), wherein the first low pressure air suction pipeline (14) with it is described
The air entry of low-pressure stage constant volume cylinder is connected, the second low pressure air suction pipeline (15) and the air entry phase of the low-pressure stage transfiguration cylinder
Even.
8. air-conditioning system according to claim 7, it is characterised in that：
After the exhaust outlet of the low-pressure stage constant volume cylinder is connected with the exhaust outlet of the low-pressure stage transfiguration cylinder, then it is connected to the hiigh pressure stage
The air entry of constant volume cylinder, and medium pressure gas supplementing opening (12) is connected with the air entry of the hiigh pressure stage constant volume cylinder.
9. air-conditioning system according to claim 8, it is characterised in that：
The compressor is Slidine-vane rotor formula compressor, and the low-pressure stage transfiguration cylinder includes cylinder body, slide plate chamber and can be in institute
The slide plate moved in slide plate chamber is stated, the slide plate further includes head and afterbody, and it is gentle that the afterbody is located in the slide plate chamber
Back pressure cavity is formed between cylinder body, further includes the high pressure gas pipeline being connected with the high-pressure exhaust of the compressor (11)
(16), and the back pressure cavity is connected to the low pressure air suction pipeline (13), the back pressure by first pressure introduction pipeline (17)
Chamber is also connected to the high pressure gas pipeline (16) by second pressure introduction pipeline (18), and introduces and manage in the first pressure
The first control valve (19) is provided on road (17), the second control valve is provided on the second pressure introduction pipeline (18)
(20)。
10. air-conditioning system according to claim 9, it is characterised in that：
First control valve (19) and second control valve (20) are solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383325.8U CN207433194U (en) | 2017-10-24 | 2017-10-24 | A kind of two-stage enthalpy increasing air conditioning system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721383325.8U CN207433194U (en) | 2017-10-24 | 2017-10-24 | A kind of two-stage enthalpy increasing air conditioning system for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207433194U true CN207433194U (en) | 2018-06-01 |
Family
ID=62293023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721383325.8U Withdrawn - After Issue CN207433194U (en) | 2017-10-24 | 2017-10-24 | A kind of two-stage enthalpy increasing air conditioning system for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207433194U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878154A (en) * | 2017-10-24 | 2018-04-06 | 珠海格力电器股份有限公司 | A kind of two-stage enthalpy increasing air conditioning system for vehicle and control method |
| CN108931021A (en) * | 2018-09-19 | 2018-12-04 | 珠海格力电器股份有限公司 | Heat pump system and air conditioner with it |
| CN109751795A (en) * | 2018-12-20 | 2019-05-14 | 珠海格力电器股份有限公司 | Heat pump system and its control method |
| CN109808449A (en) * | 2019-02-26 | 2019-05-28 | 鞍山新磁电子有限公司 | A kind of ultralow temperature electric automobile heat-pump air-conditioning system |
| CN109910544A (en) * | 2019-02-12 | 2019-06-21 | 上海交通大学 | Thermal management system of electric automobile |
| CN110667333A (en) * | 2019-09-20 | 2020-01-10 | 河南科技大学 | Electric automobile synthesizes thermal management system |
| CN113340031A (en) * | 2021-05-27 | 2021-09-03 | 广东芬尼克兹节能设备有限公司 | CO (carbon monoxide)2Control method for heat pump system, control system for heat pump system, and storage medium |
-
2017
- 2017-10-24 CN CN201721383325.8U patent/CN207433194U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107878154A (en) * | 2017-10-24 | 2018-04-06 | 珠海格力电器股份有限公司 | A kind of two-stage enthalpy increasing air conditioning system for vehicle and control method |
| CN107878154B (en) * | 2017-10-24 | 2023-09-08 | 珠海格力电器股份有限公司 | Air conditioning system for double-stage enthalpy-increasing vehicle and control method |
| CN108931021A (en) * | 2018-09-19 | 2018-12-04 | 珠海格力电器股份有限公司 | Heat pump system and air conditioner with it |
| CN108931021B (en) * | 2018-09-19 | 2023-12-08 | 珠海格力电器股份有限公司 | Heat pump system and air conditioner with same |
| CN109751795A (en) * | 2018-12-20 | 2019-05-14 | 珠海格力电器股份有限公司 | Heat pump system and its control method |
| CN109910544A (en) * | 2019-02-12 | 2019-06-21 | 上海交通大学 | Thermal management system of electric automobile |
| CN109910544B (en) * | 2019-02-12 | 2020-11-06 | 上海交通大学 | Electric automobile thermal management system |
| CN109808449A (en) * | 2019-02-26 | 2019-05-28 | 鞍山新磁电子有限公司 | A kind of ultralow temperature electric automobile heat-pump air-conditioning system |
| CN109808449B (en) * | 2019-02-26 | 2024-04-26 | 鞍山新北精工有限公司 | Ultralow-temperature heat pump air conditioning system of electric automobile |
| CN110667333A (en) * | 2019-09-20 | 2020-01-10 | 河南科技大学 | Electric automobile synthesizes thermal management system |
| CN110667333B (en) * | 2019-09-20 | 2022-08-05 | 河南科技大学 | Electric automobile synthesizes thermal management system |
| CN113340031A (en) * | 2021-05-27 | 2021-09-03 | 广东芬尼克兹节能设备有限公司 | CO (carbon monoxide)2Control method for heat pump system, control system for heat pump system, and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207433194U (en) | A kind of two-stage enthalpy increasing air conditioning system for vehicle | |
| CN107878154A (en) | A kind of two-stage enthalpy increasing air conditioning system for vehicle and control method | |
| CN104290561B (en) | The method of electric automobile air-to-air energy recovery and the heat pump type air conditioning system of application the method | |
| CN104121720A (en) | Electric car air conditioning system with air source heat pump | |
| CN101691960B (en) | Three-pipe heating and reclaiming air-conditioning system | |
| CN104949477B (en) | A kind of solar energy assists intelligent high temperature heat pump drying system | |
| CN102032705B (en) | Two-stage compression heat pump system | |
| CN104315742A (en) | Electric automobile air conditioning heat pump system with economizer and control method thereof | |
| CN104266401B (en) | The heat pump type air conditioning system that the method for application electric automobile air-to-air energy recovery makes | |
| CN104949496B (en) | A kind of high-temperature heat pump drying system with Intelligent adjustment function | |
| CN101900457A (en) | Shower, heating and air conditioning complex system device for producing hot water by using solar energy, air source and low power | |
| CN206037478U (en) | Air source heat pump system with supplementary evaporation pipeline of solar energy | |
| CN108088116B (en) | A kind of heat pump system and its control method increasing air compensation using recuperation of heat | |
| CN107024031A (en) | A kind of three pressure high-efficiency air cooling source pumps suitable for the big temperature difference | |
| CN106871479A (en) | A kind of cold recovery formula varying capacity air source heat pump system | |
| CN101358783A (en) | Heat pump sets for bidirectional air supply by flash evaporator | |
| CN106585324A (en) | Overhead type heat pump type carriage air-conditioning system with total heat recovery apparatus | |
| WO2023010887A1 (en) | High-low temperature ambient test box refrigeration system and method capable of performing rewarming by using ambient heat | |
| CN102748900A (en) | Heat pump, heat pump air conditioner and heat pump water heating unit sequentially using single/double stage compression | |
| CN201909490U (en) | Double-stage compression heat pump system | |
| CN206618147U (en) | A kind of cold recovery formula varying capacity air source heat pump system | |
| CN206556168U (en) | Energy-efficient air energy two-shipper heat pump type air conditioning system | |
| CN106989573A (en) | A kind of closed type heat pump drying system with interior radiant heat transfer | |
| CN204730517U (en) | The non-azeotropic working medium heat pump that a kind of concentration is adjustable | |
| CN110654199A (en) | New energy automobile heat pump air conditioning system with ejector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20230908 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20230908 |