CN207146961U - Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system - Google Patents

Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system Download PDF

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Publication number
CN207146961U
CN207146961U CN201720884027.0U CN201720884027U CN207146961U CN 207146961 U CN207146961 U CN 207146961U CN 201720884027 U CN201720884027 U CN 201720884027U CN 207146961 U CN207146961 U CN 207146961U
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China
Prior art keywords
reservoir
compressor
air conditioner
steam
low
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CN201720884027.0U
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Chinese (zh)
Inventor
李廷刚
张金喜
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WARM ENVIRONMENT EQUIPMENT QIDONG CO.,LTD.
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WARM REFRIGERATION EQUIPMENT (SHANGHAI) CO Ltd
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Abstract

It the utility model is related to technical field of heat pumps.Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system, including a source pump, source pump includes outdoor evaporator, indoor condenser, reservoir and compressor, it is characterised in that, compressor is a screw compressor, and screw compressor includes air entry, exhaust outlet and steam injection inlet;Outdoor evaporator connects air entry by pipeline;Reservoir has a refrigerating fluid, and reservoir is provided with steam (vapor) outlet in the ullage of the refrigerating fluid, steam (vapor) outlet connection steam injection inlet, and the connecting pipe of steam (vapor) outlet and steam injection inlet is provided with check valve;Exhaust outlet passes through pipeline junction chamber inner condenser.Air supply passage is used as by steam injection inlet, medium pressure gas is supplemented in discharge chambe, the gas with heat remaining after condenser is handled is contained in medium pressure gas, to increase capacity, reduce delivery temperature, heating capacity is lifted, heat pump air conditioner is also provided enough heating capacities in low ambient temperature.

Description

Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system
Technical field
It the utility model is related to technical field of heat pumps, more particularly to heat pump.
Background technology
When heating season, conventional heat pump technology does not obtain preferable energy-saving effect, its application in the winter time by Many limitations:When outdoor temperature is low, heating capacity is very few, it is impossible to meets the needs of heating.When as little as -15 DEG C of outdoor temperature Can not even start shooting operation;Indoor apparatus of air conditioner needs to configure electrical auxiliary heater to reach the room temperature of requirement;Efficiency during heating It is low.So in northern area, people still must be cooling in summer and winter heating configures two sets of different equipment, not only expensive but also take Thing.
Traditional heat pump techniques there are two key issues run at low ambient temperatures:The refrigerant amount of air entry The capacity for causing compressor more much smaller than the capacity of compressor does not make full use of;Liquid before outdoor unit electric expansion valve The enthalpy of refrigerant is very high, influences efficiency of heat exchanger.
Utility model content
The purpose of this utility model is to provide a kind of low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system, to solve Above-mentioned technical problem.
The technical problem that the utility model solves can be realized using following technical scheme:
Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system, including a source pump, the source pump include one Outdoor evaporator, an indoor condenser, a reservoir and a compressor, it is characterised in that the compressor is a scroll compression Machine, the screw compressor include an air entry, an exhaust outlet and a steam injection inlet;
A discharge chambe is provided with the screw compressor, the air entry connects the discharge chambe with steam injection inlet Import, the exhaust outlet connect the outlet of the discharge chambe;
The outdoor evaporator connects the air entry by pipeline;
The reservoir is stored with refrigerating fluid, and the reservoir is provided with steam (vapor) outlet in the ullage of the refrigerating fluid, The steam (vapor) outlet connects the steam injection inlet, and the steam (vapor) outlet on the connecting pipe of the steam injection inlet with setting There is a check valve;
The exhaust outlet connects the indoor condenser by pipeline.
The utility model replaces common compressor using screw compressor, and the steam injection inlet of screw compressor helps to increase Add the flow of compressor cycle.Air supply passage is used as by steam injection inlet, calmed the anger in compressor compresses intermediate cavity supplement Body, the remaining gas with heat after condenser processing is contained in medium pressure gas, air supply passage is entered by steam (vapor) outlet, Heat is fully used, medium pressure gas increase capacity, reduce delivery temperature, lift heating capacity, make heat pump air conditioner Device can also provide enough heating capacities in low ambient temperature.Meanwhile the opening and closing of air supply passage can be used as a kind of hold Measure the supplementary means of load out control.
The check valve is Unidirectional solenoid valve.For controlling the opening and closing of air supply passage.
The indoor condenser connects the reservoir, the connection of the indoor condenser and the reservoir by pipeline Pipeline is provided with an auxiliary expansion valve.
The reservoir connects the outdoor evaporator, the connection of the reservoir and the outdoor evaporator by pipeline Pipeline is provided with a main expansion valve.
The utility model is calmed the anger by means of reservoir, high pressure, the liquid of high temperature in being changed into after being expanded by auxiliary expansion valve Body sprays into steam injection inlet.Meanwhile the liquid enthalpy in reservoir will drop to the value of next circulation.
The source pump also includes a controller, and controller is provided with a control signal output, the control signal Output end connects the check valve.Realize the opening and closing of air supply passage.
A temperature sensor is additionally provided with the outdoor evaporator, the temperature sensor connects the controller.It is described Controller by detection temperature sensor sensing to environment temperature control the opening and closing of the check valve.
Brief description of the drawings
Fig. 1 is part-structure relation schematic diagram of the present utility model;
Fig. 2 is the part-structure schematic diagram of screw compressor.
Embodiment
In order to which technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, below With reference to being specifically illustrating, the utility model is expanded on further.
Shown in reference picture 1, Fig. 2, low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system, including a source pump, heat Pump assembly includes an outdoor evaporator 1, an indoor condenser 2, a reservoir 3 and a compressor, and compressor is a scroll compression Machine 4, screw compressor 4 include an air entry 5, an exhaust outlet 6 and a steam injection inlet 7;A pressure is provided with screw compressor 4 Contracting room, air entry 5 and steam injection inlet 7 connect the import of discharge chambe, and exhaust outlet 6 connects the outlet of discharge chambe;Outdoor evaporation Device 1 connects air entry 5 by pipeline;Reservoir 3 is stored with refrigerating fluid, and reservoir 3 is provided with steam in the ullage of refrigerating fluid It is unidirectional that the connecting pipe of outlet, steam (vapor) outlet connection steam injection inlet 7, steam (vapor) outlet and steam injection inlet 7 is provided with one Valve 8;Exhaust outlet 6 passes through pipeline junction chamber inner condenser 2.The utility model replaces common compressor, whirlpool using screw compressor 4 The steam injection inlet 7 of rotation compressor 4 helps to increase that the flow of compressor cycle.It is used as tonifying Qi by steam injection inlet 7 to lead to Road, medium pressure gas is supplemented in compressor compresses intermediate cavity, contain in medium pressure gas and remaining after condenser 2 is handled carry heat Gas, air supply passage is entered by steam (vapor) outlet, heat is fully used, increase capacity, reduce delivery temperature, Heating capacity is lifted, heat pump air conditioner is also provided enough heating capacities in low ambient temperature.Meanwhile air supply passage is opened Opening and close can be as a kind of supplementary means of capacity load out control.
Check valve 8 is Unidirectional solenoid valve.For controlling the opening and closing of air supply passage.
Indoor condenser 2 connects reservoir 3, and the connecting pipe of indoor condenser 2 and reservoir 3 is provided with a secondary expansion Valve 9.Reservoir 3 has been also connected with outdoor evaporator 1, and the connecting pipe of reservoir 3 and outdoor evaporator 1 is provided with a main expansion valve 10.The utility model is changed into medium pressure gas after being expanded by auxiliary expansion valve 9 and sprayed by means of reservoir 3, high pressure, the liquid of high temperature Enter steam injection inlet 7.Meanwhile the liquid enthalpy in reservoir 3 will drop to the value of next circulation.
Source pump also includes a controller, and controller is provided with a control signal output, and control signal output connects Connect check valve 8.Realize the opening and closing of air supply passage.
A temperature sensor is additionally provided with outdoor evaporator 1, temperature sensor connects the controller.Controller passes through inspection Testing temperature sensor sensing to environment temperature control the opening and closing of check valve 8.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (6)

1. low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system, including a source pump, the source pump include a Room Outer evaporator, an indoor condenser, a reservoir and a compressor, it is characterised in that the compressor is a screw compressor, The screw compressor includes an air entry, an exhaust outlet and a steam injection inlet;
A discharge chambe is provided with the screw compressor, the air entry connects entering for the discharge chambe with steam injection inlet Mouthful, the exhaust outlet connects the outlet of the discharge chambe;
The outdoor evaporator connects the air entry by pipeline;
The reservoir is stored with refrigerating fluid, and the reservoir is provided with steam (vapor) outlet in the ullage of the refrigerating fluid, described Steam (vapor) outlet connects the steam injection inlet, and the connecting pipe of the steam (vapor) outlet and the steam injection inlet is provided with one Check valve;
The exhaust outlet connects the indoor condenser by pipeline.
2. low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system according to claim 1, it is characterised in that the list It is Unidirectional solenoid valve to valve.
3. low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system according to claim 1, it is characterised in that the room Inner condenser connects the reservoir by pipeline, and it is auxiliary that the connecting pipe of the indoor condenser and the reservoir is provided with one Help expansion valve.
4. low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system according to claim 1, it is characterised in that the storage Liquid device connects the outdoor evaporator by pipeline, and the connecting pipe of the reservoir and the outdoor evaporator is led provided with one Expansion valve.
5. low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system according to claim 1, it is characterised in that the heat Pump assembly also includes a controller, and controller is provided with a control signal output, described in the control signal output connection Check valve.
6. low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system according to claim 5, it is characterised in that the room A temperature sensor is additionally provided with outer evaporator, the temperature sensor connects the controller.
CN201720884027.0U 2017-07-20 2017-07-20 Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system Active CN207146961U (en)

Priority Applications (1)

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CN201720884027.0U CN207146961U (en) 2017-07-20 2017-07-20 Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720884027.0U CN207146961U (en) 2017-07-20 2017-07-20 Low-temperature air conditioner unit Gas-supplying enthalpy-increasing compressor application system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109405321A (en) * 2018-12-29 2019-03-01 无锡雪浪环境科技股份有限公司 A kind of steam compression type refrigeration circulatory system and its application method
CN109595843A (en) * 2018-12-30 2019-04-09 武汉万居隆电器有限公司 A kind of enhanced heat pump and its technique
CN109611318A (en) * 2018-12-25 2019-04-12 新奥数能科技有限公司 A kind of method and apparatus of frequency-changeable compressor and determining check valve installation site

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109611318A (en) * 2018-12-25 2019-04-12 新奥数能科技有限公司 A kind of method and apparatus of frequency-changeable compressor and determining check valve installation site
CN109405321A (en) * 2018-12-29 2019-03-01 无锡雪浪环境科技股份有限公司 A kind of steam compression type refrigeration circulatory system and its application method
CN109595843A (en) * 2018-12-30 2019-04-09 武汉万居隆电器有限公司 A kind of enhanced heat pump and its technique

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20211213

Address after: 226200 Huihai Road, Binhai Industrial Park, Qidong City, Nantong City, Jiangsu Province

Patentee after: WARM ENVIRONMENT EQUIPMENT QIDONG CO.,LTD.

Address before: 201499 building 3, 200 Fengjin Road, Fengxian District, Shanghai

Patentee before: WARM REFRIGERATION EQUIPMENT (SHANGHAI) Co.,Ltd.

TR01 Transfer of patent right