CN207299601U - A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning - Google Patents

A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning Download PDF

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Publication number
CN207299601U
CN207299601U CN201720938029.3U CN201720938029U CN207299601U CN 207299601 U CN207299601 U CN 207299601U CN 201720938029 U CN201720938029 U CN 201720938029U CN 207299601 U CN207299601 U CN 207299601U
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Prior art keywords
heat exchanger
major loop
compressor
working medium
gas
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CN201720938029.3U
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Chinese (zh)
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王铎
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SUZHOU NEW TONGCHUANG AUTO AIR-CONDITIONING Co Ltd
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SUZHOU NEW TONGCHUANG AUTO AIR-CONDITIONING Co Ltd
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Abstract

The utility model provides a kind of automobile using Gas-supplying enthalpy-increasing air-conditioning, including:The heat-exchange working medium being made of compressor, outdoor heat exchanger, major loop restricting element, indoor heat exchanger, four-way valve circulates major loop, major loop between indoor heat exchanger and major loop restricting element is equipped with plate heat exchanger, set up subsidiary loop separately on major loop between plate heat exchanger and major loop restricting element, the subsidiary loop is connected to the plate heat exchanger after being sequentially connected solenoid valve, electric expansion valve, then the intermediate fill gas mouth of the compressor is connected to by the plate heat exchanger.The utility model, by subsidiary loop to compressor tonifying Qi, improves the internal circulating load of heat-exchange working medium, can improve heating capacity compared to the prior art.

Description

A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning
Technical field
A kind of air-conditioning equipment is the utility model is related to, particularly a kind of automobile using Gas-supplying enthalpy-increasing air-conditioning.
Background technology
Automobile heat pump air conditioner mainly includes the components such as indoor heat exchanger, outdoor heat exchanger, compressor and four-way valve.Pass through Four-way valve realizes the switching of cooling condition and heating condition, when heat pump air conditioner runs on cooling condition, indoor heat exchanger As evaporator, outdoor heat exchanger becomes condenser;When heat pump type air conditioner runs on heating condition, indoor heat exchanger becomes Condenser, outdoor heat exchanger become evaporator.In heating condition, if outdoor is in low temperature environment, outdoor heat exchanger cannot Quick heat exchange, have impact on heating effect.Add to meet the heating needs of low temp area air conditioning for automobiles, it is necessary to increase auxiliary electricity Heat, adds the energy consumption of automobile.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a kind of automobile using Gas-supplying enthalpy-increasing Air-conditioning.
To reach above-mentioned purpose, technical solution is used by the utility model solves its technical problem:A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning, including:It is made of compressor, outdoor heat exchanger, major loop restricting element, indoor heat exchanger, four-way valve Heat-exchange working medium circulates major loop, and the major loop between indoor heat exchanger and major loop restricting element is equipped with plate heat exchanger, in plate Set up subsidiary loop on major loop between formula heat exchanger and major loop restricting element separately, the subsidiary loop be sequentially connected solenoid valve, The plate heat exchanger is connected to after electric expansion valve, then the second vapor injection of the compressor is connected to by the plate heat exchanger Mouthful.
The utility model, by subsidiary loop to compressor tonifying Qi, improves following for heat-exchange working medium compared to the prior art Circular rector, can improve heating capacity.
Further, the major loop restricting element is two-way heating power expansion valve.
Further, in kind of refrigeration cycle, the solenoid valve disconnects, and subsidiary loop does not work;It is described when heating circulation Solenoid valve is opened, and heat-exchange working medium is cooled down through the indoor heat exchanger, plate heat exchanger, all the way described in major loop heat-exchange working medium process Two-way heating power expansion valve enters compressor air suction mouth into outdoor heat exchanger;Another way subsidiary loop heat-exchange working medium is through electronic expansion Valve throttling cooling, then absorbs the heat of major loop, major loop heat-exchange working medium is subcooled again, auxiliary by the plate heat exchanger The heat-exchange working medium in circuit is helped to be changed into the heat-exchange working medium gas of middle pressure to compressor intermediate fill gas mouth tonifying Qi.
Using the above preferred scheme, during heating, subsidiary loop be by being drawn after the cooling down again of plate heat exchanger, this The heat-exchange working medium that sample enters electric expansion valve is pure liquid, ensure that the stability of electric expansion valve, improves electric expansion valve Capacity, while the degree of supercooling of system is improved, make the heating capacity of system increase.
Further, pressure inspection sensor is equipped with the intermediate fill gas mouth of the compressor.
Using the above preferred scheme, it is easy to implement the control to electric expansion valve in subsidiary loop, it is ensured that system is stablized.
Further, the outdoor heat exchanger is equipped with temperature detector sensor.
Further, the indoor heat exchanger is equipped with temperature detector sensor.
Using the above preferred scheme, by the temperature computation degree of superheat of detection, electric expansion valve in subsidiary loop is fitted When be opened and closed, realize stablize heating.
Further, gas-liquid separator is connected in the air inlet pipeline of the compressor.
Using the above preferred scheme, prevent liquid heat-exchange working medium from entering compressor, it is ensured that compressor steady operation.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of embodiment of the utility model.
Numeral and the title of the corresponding component represented by letter in figure:
1- compressors;2- outdoor heat exchangers;3- major loop restricting elements;4- indoor heat exchangers;5- four-way valves;6- is board-like to be changed Hot device;7- solenoid valves;8- electric expansion valves;9- gas-liquid separators.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of automobile using Gas-supplying enthalpy-increasing air-conditioning, including:By compressor 1, outdoor heat exchanger 2, major loop section The heat-exchange working medium circulation major loop that fluid element 3, indoor heat exchanger 4, four-way valve 5 form, indoor heat exchanger 4 and major loop throttling member Major loop between part 3 is equipped with plate heat exchanger 6, sets up separately on the major loop between plate heat exchanger 6 and major loop restricting element 3 Subsidiary loop, the subsidiary loop are connected to plate heat exchanger 6 after being sequentially connected solenoid valve 7, electric expansion valve 8, then by board-like Heat exchanger 6 is connected to the intermediate fill gas mouth of compressor 1.
It is using the beneficial effect of above-mentioned technical proposal:By subsidiary loop to compressor tonifying Qi, heat-exchange working medium is improved Internal circulating load, heating capacity can be improved.
In other embodiments of the utility model, in order to achieve the purpose that to increase heating effect, major loop throttling Element 3 is two-way heating power expansion valve;In kind of refrigeration cycle, solenoid valve 7 disconnects, and subsidiary loop does not work;When heating circulation, electricity Magnet valve 7 is opened, and heat-exchange working medium is cooled down through indoor heat exchanger 4, plate heat exchanger 6, and major loop heat-exchange working medium is by described double all the way Enter outdoor heat exchanger 2 to heating power expansion valve and enter 1 air entry of compressor;Another way subsidiary loop heat-exchange working medium is through electronic expansion The throttling cooling of valve 8, then absorbs the heat of major loop by plate heat exchanger 6, and major loop heat-exchange working medium is subcooled, aided in again The heat-exchange working medium in circuit is changed into the heat-exchange working medium gas of middle pressure to 1 intermediate fill gas mouth tonifying Qi of compressor.Using above-mentioned technical proposal Beneficial effect be:During heating, subsidiary loop is by being drawn after the cooling down again of plate heat exchanger 6, and it is swollen so to enter electronics The heat-exchange working medium of swollen valve 8 is pure liquid, ensure that the stability of electric expansion valve 8, improves the capacity of electric expansion valve 8, at the same time The degree of supercooling of system is improved, makes the heating capacity of system increase.
In other embodiments of the utility model, in order to achieve the purpose that control pressure, mended among compressor 1 Pressure inspection sensor is equipped with gas port.It is using the beneficial effect of above-mentioned technical proposal:It is easy to implement to electric in subsidiary loop The control of sub- expansion valve, it is ensured that system is stablized.
In other embodiments of the utility model, in order to achieve the purpose that to control the degree of superheat, on outdoor heat exchanger 2 Equipped with temperature detector sensor;Indoor heat exchanger 4 is equipped with temperature detector sensor.Using the beneficial effect of above-mentioned technical proposal It is:By the temperature computation degree of superheat of detection, electric expansion valve in subsidiary loop is opened and closed in due course, realizes and stablizes heating.
In other embodiments of the utility model, in order to achieve the purpose that protect compressor, compressor 1 into Gas-liquid separator is connected in gas port pipeline.It is using the beneficial effect of above-mentioned technical proposal:Prevent liquid heat-exchange working medium from entering pressure Contracting machine, it is ensured that compressor steady operation.
Above-described embodiment is only to illustrate the technical concepts and features of the utility model, and its object is to allow the common skill in this area Art personnel can understand the content of the utility model and be carried out, and can not limit the scope of protection of the utility model with this, All equivalent change or modifications made according to the utility model Spirit Essence, should all cover in the scope of protection of the utility model It is interior.

Claims (4)

1. a kind of automobile using Gas-supplying enthalpy-increasing air-conditioning, including:By compressor, outdoor heat exchanger, major loop restricting element, indoor heat exchange The heat-exchange working medium circulation major loop of device, four-way valve composition, it is characterised in that the master between indoor heat exchanger and major loop restricting element Circuit is equipped with plate heat exchanger, sets up subsidiary loop, institute on the major loop between plate heat exchanger and major loop restricting element separately State after subsidiary loop is sequentially connected solenoid valve, electric expansion valve and be connected to the plate heat exchanger, then by the plate heat exchanger It is connected to the intermediate fill gas mouth of the compressor;The major loop restricting element is two-way heating power expansion valve;In kind of refrigeration cycle, The solenoid valve disconnects, and subsidiary loop does not work;When heating circulation, the solenoid valve is opened, and heat-exchange working medium is through the interior Heat exchanger, plate heat exchanger cooling, major loop heat-exchange working medium enters outdoor heat exchanger by the two-way heating power expansion valve all the way Into compressor air suction mouth;Another way subsidiary loop heat-exchange working medium throttles through electric expansion valve to cool down, then by described board-like Heat exchanger absorbs the heat of major loop, and major loop heat-exchange working medium is subcooled again, and the heat-exchange working medium of subsidiary loop is changed into middle pressure Heat-exchange working medium gas is to compressor intermediate fill gas mouth tonifying Qi;Pressure inspection is equipped with the intermediate fill gas mouth of the compressor to sense Device.
2. automobile using Gas-supplying enthalpy-increasing air-conditioning according to claim 1, it is characterised in that the outdoor heat exchanger is equipped with temperature Spend detection sensor.
3. automobile using Gas-supplying enthalpy-increasing air-conditioning according to claim 2, it is characterised in that the indoor heat exchanger is equipped with temperature Spend detection sensor.
4. automobile using Gas-supplying enthalpy-increasing air-conditioning according to claim 3, it is characterised in that in the inlet tube of the compressor Gas-liquid separator is connected in road.
CN201720938029.3U 2017-07-31 2017-07-31 A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning Active CN207299601U (en)

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CN201720938029.3U CN207299601U (en) 2017-07-31 2017-07-31 A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning

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Application Number Priority Date Filing Date Title
CN201720938029.3U CN207299601U (en) 2017-07-31 2017-07-31 A kind of automobile using Gas-supplying enthalpy-increasing air-conditioning

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269135A (en) * 2018-11-08 2019-01-25 上海北特科技股份有限公司 Electric automobile air conditioner heat pump system and electric car including it
CN109297208A (en) * 2018-11-08 2019-02-01 上海北特科技股份有限公司 The whole enthalpy electric automobile air conditioner heat pump system of tonifying Qi and the electric car including it
WO2021073186A1 (en) * 2019-10-16 2021-04-22 南京航空航天大学 Helicopter multi-cabin two-mode air conditioning system employing compressor intermediate air supplementation technology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269135A (en) * 2018-11-08 2019-01-25 上海北特科技股份有限公司 Electric automobile air conditioner heat pump system and electric car including it
CN109297208A (en) * 2018-11-08 2019-02-01 上海北特科技股份有限公司 The whole enthalpy electric automobile air conditioner heat pump system of tonifying Qi and the electric car including it
WO2021073186A1 (en) * 2019-10-16 2021-04-22 南京航空航天大学 Helicopter multi-cabin two-mode air conditioning system employing compressor intermediate air supplementation technology

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