CN204165275U - Heat pump and the air-conditioner with it - Google Patents

Heat pump and the air-conditioner with it Download PDF

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Publication number
CN204165275U
CN204165275U CN201420591278.6U CN201420591278U CN204165275U CN 204165275 U CN204165275 U CN 204165275U CN 201420591278 U CN201420591278 U CN 201420591278U CN 204165275 U CN204165275 U CN 204165275U
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Prior art keywords
valve
connector
major loop
heat pump
condenser
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CN201420591278.6U
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Chinese (zh)
Inventor
陈文强
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
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Abstract

The utility model discloses a kind of heat pump and have its air-conditioner, heat pump comprises: the compressor with exhaust outlet, air entry and jet; Have the cross valve of exhaust connector, air-breathing connector, condenser connector and evaporimeter connector, be vented connector and be connected, air-breathing connector is connected with the air entry of compressor; Condenser, condenser first port is connected with the condenser connector of cross valve; Economizer, major loop entrance is connected with condenser second port, and auxiliary circuit outlet is connected with the jet of compressor, and major loop outlet is connected with auxiliary circuit entrance by gas puff Z-pinch valve; Evaporimeter, evaporimeter first port is connected with the evaporimeter connector of cross valve, and evaporimeter second port is exported with the major loop of economizer by major loop control valve and is connected.According to the heat pump of the utility model embodiment, the heating capacity of low temperature environment can be improved, have that heating capacity is adjustable, cycle efficieny is high, control is convenient, low cost and other advantages.

Description

Heat pump and the air-conditioner with it
Technical field
The utility model relates to electrical equipment manufacturing technology field, in particular to a kind of heat pump and the air-conditioner with described heat pump.
Background technology
Along with the requirement of people to energy saving standard is more and more higher, heat pump, with its higher efficiency and environmental protection characteristic, replaces traditional heating and hot water mode just gradually.But adopt the heat pump of common compressor in correlation technique, along with heat source temperature reduces, system evaporating temperature and pressure all reduce, and compressor air suction density declines, and causes system refrigerant circular flow to reduce, and then causes the decay of heating capacity and efficiency.And adopting the heat pump of frequency-changeable compressor, it controls complexity, cost is higher.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of heat pump, this heat pump can improve the heating capacity under low temperature environment, and has control convenience, low cost and other advantages.
For achieving the above object, propose a kind of heat pump according to first aspect of the present utility model, described heat pump comprises: compressor, and described compressor has exhaust outlet, air entry and jet; Cross valve, described cross valve has exhaust connector, air-breathing connector, condenser connector and evaporimeter connector, and described exhaust connector is connected with described exhaust outlet, and described air-breathing connector is connected with described air entry; Condenser, described condenser has condenser first port and condenser second port, and described condenser first port is connected with described condenser connector; Economizer, described economizer has major loop entrance, major loop outlet, auxiliary circuit entrance and auxiliary circuit outlet, described major loop entrance and described major loop export and to be communicated with in the inside of described economizer and described auxiliary circuit entrance is communicated with in the inside of described economizer with described auxiliary circuit outlet, described major loop entrance is connected with described condenser second port, described auxiliary circuit outlet is connected with described jet, and described major loop outlet is connected with described auxiliary circuit entrance by gas puff Z-pinch valve; Evaporimeter, described evaporimeter has evaporimeter first port and evaporimeter second port, and described evaporimeter first port is connected with described evaporimeter connector, and described evaporimeter second port is exported with described major loop by major loop control valve and is connected.
According to heat pump of the present utility model, the heating capacity under low temperature environment can be improved, and have that heating capacity is adjustable, cycle efficieny is high, control is convenient, low cost and other advantages.
In addition, following additional technical characteristic can also be had according to heat pump of the present utility model:
Described major loop outlet is connected with described jet by hydrojet control valve.
Described major loop control valve is electric expansion valve or heating power expansion valve.
Described major loop control valve comprises: magnetic valve, with the capillary of described magnetic valve serial or parallel connection; Or electric expansion valve, with the capillary of described electric expansion valve serial or parallel connection; Or heating power expansion valve, the capillary in parallel with described heating power expansion valve or check valve.
Described gas puff Z-pinch valve is electric expansion valve or heating power expansion valve.
Described gas puff Z-pinch valve comprises: magnetic valve, the capillary of connecting with described magnetic valve; Or magnetic valve, the electric expansion valve of connecting with described magnetic valve and capillary.
Described hydrojet control valve is electric expansion valve.
Described hydrojet control valve comprises: magnetic valve, the capillary of connecting with described magnetic valve; Or magnetic valve, the electric expansion valve of connecting with described magnetic valve and capillary.
Propose a kind of air-conditioner according to second aspect of the present utility model, described air-conditioner comprises the heat pump according to first aspect of the present utility model.
According to air-conditioner of the present utility model, heating capacity is at low ambient temperatures higher, has that heating capacity is adjustable, cycle efficieny is high, control is convenient, low cost and other advantages.
Accompanying drawing explanation
Fig. 1 is the structural representation of the heat pump according to the utility model embodiment.
Fig. 2 is according to the heat pump of the utility model embodiment schematic diagram when common heating operation state.
Fig. 3 is according to the heat pump of the utility model embodiment schematic diagram when air injection enthalpy-increasing heating operation state.
Fig. 4 is according to the heat pump of the utility model embodiment schematic diagram when Defrost operation state.
Fig. 5 is according to the heat pump of the utility model embodiment schematic diagram when hydrojet running status.
Reference numeral: heat pump 1, compressor 100, exhaust outlet 110, air entry 120, jet 130, cross valve 200, exhaust connector 210, air-breathing connector 220, condenser connector 230, evaporimeter connector 240, condenser 300, condenser first port 310, condenser second port 320, economizer 400, major loop entrance 410, major loop outlet 420, auxiliary circuit entrance 430, auxiliary circuit outlet 440, evaporimeter 500, evaporimeter first port 510, evaporimeter second port 520, major loop control valve 600, gas puff Z-pinch valve 700, hydrojet control valve 800.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to the accompanying drawings heat pump 1 according to the utility model embodiment is described.
As Figure 1-Figure 5, compressor 100, cross valve 200, condenser 300, economizer 400, evaporimeter 500, major loop control valve 600 and gas puff Z-pinch valve 700 is comprised according to the heat pump 1 of the utility model embodiment.
Compressor 100 has exhaust outlet 110, air entry 120 and jet 130.
Cross valve 200 has exhaust connector 210, air-breathing connector 220, condenser connector 230 and evaporimeter connector 240.Cross valve 200 can switch connected state, to be communicated with condenser connector 230 and air-breathing connector 220 is communicated with evaporimeter connector 240 as being vented connector 210, or exhaust connector 210 is communicated with evaporimeter connector 240 and air-breathing connector 220 is communicated with condenser connector 230.Wherein, exhaust connector 210 is connected with exhaust outlet 110, and air-breathing connector 220 is connected with air entry 120.
Condenser 300 has condenser first port 310 and condenser second port 320, and condenser first port 310 is connected with condenser connector 230.
Economizer 400 has major loop entrance 410, major loop outlet 420, auxiliary circuit entrance 430 and auxiliary circuit outlet 440.Major loop entrance 410 and major loop export 420 and to be communicated with in the inside of economizer 400 and auxiliary circuit entrance 430 is communicated with in the inside of economizer 400 with auxiliary circuit outlet 440.Wherein, major loop entrance 410 is connected with condenser second port 320, and auxiliary circuit outlet 440 is connected with jet 130, and major loop outlet 420 is connected with auxiliary circuit entrance 430 by gas puff Z-pinch valve 700.
Evaporimeter 500 has evaporimeter first port 510 and evaporimeter second port 520, and evaporimeter first port 510 is connected with evaporimeter connector 240, and evaporimeter second port 520 exports 420 by major loop control valve 600 with major loop and is connected.
Below with reference to the accompanying drawings the running status of the heat pump 1 according to the utility model embodiment is described.
Fig. 2 shows the common heating operation state of the heat pump 1 according to the utility model embodiment.
As shown in Figure 2, the path of cold-producing medium: the air entry 120 of the air-breathing connector 220 → compressor 100 of the evaporimeter connector 240 → cross valve 200 of major loop outlet 420 → major loop control valve 600 → evaporimeter 500 → cross valve 200 of the major loop entrance 410 → economizer 400 of condenser connector 230 → condenser 300 → economizer 400 of the exhaust connector 210 → cross valve 200 of the exhaust outlet 110 → cross valve 200 of compressor 100.
In running, the exhaust connector 210 of cross valve 200 is communicated with condenser connector 230 and air-breathing connector 220 is communicated with evaporimeter connector 240.Major loop control valve 600, as the throttle part of major loop, regulates the flow of cold-producing medium.Gas puff Z-pinch valve 700 cuts out, and cuts off jet loop.Now, heat pump 1 does not carry out air injection enthalpy-increasing, and heating capacity is general.
Fig. 3 shows the air injection enthalpy-increasing heating operation state of the heat pump 1 according to the utility model embodiment.
As shown in Figure 3, the path of main circuit refrigerant: the air entry 120 of the air-breathing connector 220 → compressor 100 of the evaporimeter connector 240 → cross valve 200 of major loop outlet 420 → major loop control valve 600 → evaporimeter 500 → cross valve 200 of the major loop entrance 410 → economizer 400 of condenser connector 230 → condenser 300 → economizer 400 of the exhaust connector 210 → cross valve 200 of the exhaust outlet 110 → cross valve 200 of compressor 100.
The path of auxiliary circuit refrigerant: the jet 130 of the auxiliary circuit outlet 440 → compressor 100 of the auxiliary circuit entrance 430 → economizer 400 of major loop outlet 420 → gas puff Z-pinch valve 700 → economizer 400 of economizer 400.
In running, the exhaust connector 210 of cross valve 200 is communicated with condenser connector 230 and air-breathing connector 220 is communicated with evaporimeter connector 240.Major loop control valve 600 as the throttle part of major loop, adjusting refrigerant flow rate.Gas puff Z-pinch valve 700 regulates auxiliary circuit refrigeration agent flux.
Main loop cold-producing medium passes through the evaporation process heat exchange with auxiliary circuit refrigerant in economizer 400, formed cold, auxiliary loop is sprayed and participate in circulation after compressor 100 after absorbing the heat of main circuit refrigerant by self evaporation, complete air injection enthalpy-increasing process, system heating capacity is larger.Auxiliary loop enters the cold-producing medium of economizer 400 from the cold-producing medium after economizer 400 is excessively cold, is liquid refrigerant when can ensure to enter gas puff Z-pinch valve 700.
Fig. 4 shows the Defrost operation state of the heat pump 1 according to the utility model embodiment.
As shown in Figure 4, the path of cold-producing medium: the air entry 120 of the air-breathing connector 220 → compressor 100 of the condenser connector 230 → cross valve 200 of major loop entrance 410 → condenser 300 → cross valve 200 of the major loop outlet 420 → economizer 400 of evaporimeter connector 240 → evaporimeter 500 → major loop control valve 600 → economizer 400 of the exhaust connector 210 → cross valve 200 of the exhaust outlet 110 → cross valve 200 of compressor 100.
In running, the exhaust connector 210 of cross valve 200 is communicated with evaporimeter connector 240 and air-breathing connector 220 is communicated with condenser connector 230.Major loop control valve 600 as the throttle part of major loop, adjusting refrigerant flow rate.Gas puff Z-pinch valve 700 cuts out, and cuts off jet loop.
According to the heat pump 1 of the utility model embodiment, by arranging the economizer 400 connecting major loop and auxiliary loop, and major loop control valve 600 is set on major loop, auxiliary loop arranges gas puff Z-pinch valve 700, and the flow direction of cold-producing medium is switched by arranging cross valve 200, heat pump 1 can be made thus to realize commonly heating, air injection enthalpy-increasing heats and the multiple running status such as defrosting.Under air injection enthalpy-increasing heating operation state, significantly can improve the heating capacity of heat pump 1, even if also can ensure that at low heat temperature heat pump 1 has good heating capacity and efficiency, and the source of jet cold-producing medium be condenser 300 cross cold after cold-producing medium, cycle efficieny is higher.In addition, heat pump 1 heats two kinds of running statuses by switching common heating with air injection enthalpy-increasing, can realize the adjustment of system heating capacity to a certain extent.Further, the control of gas puff Z-pinch valve 700 is more easily, more accurately, control efficiency is higher, cross simultaneously cold after refrigerant temperature lower, less in the restriction loss at gas puff Z-pinch valve 700 place.
Therefore, according to the heat pump 1 of the utility model embodiment, the heating capacity at low heat temperature and efficiency can be improved, and have that heating capacity is adjustable, cycle efficieny is high, control is convenient, low cost and other advantages.
Below with reference to the accompanying drawings heat pump 1 according to the utility model specific embodiment is described.
In specific embodiments more of the present utility model, as Figure 1-Figure 5, compressor 100, cross valve 200, condenser 300, economizer 400, evaporimeter 500, major loop control valve 600, gas puff Z-pinch valve 700 and hydrojet control valve 800 is comprised according to the heat pump 1 of the utility model embodiment.
As Figure 1-Figure 5, major loop outlet 420 is connected with jet 130 by hydrojet control valve 800.Particularly, major loop control valve 600 place pipeline, gas puff Z-pinch valve 700 place pipeline and major loop export the node between 420 place pipeline threes, are connected with the pipeline between auxiliary circuit outlet 440 and jet 130 by hydrojet control valve 800.
Fig. 5 shows the hydrojet running status of the heat pump 1 according to the utility model embodiment.
As shown in Figure 5, no matter heat pump 1 carries out common to heat or air injection enthalpy-increasing heats, when in system operation, detect that the indexs such as compressor 100 delivery temperature or head temperature exceed default working value, then hydrojet control valve 800 is opened or is carried out Flow-rate adjustment, to increase through the refrigerant flow that jet 130 enters compressor 100, thus the index of correlation temperature of compressor 100 is made to be reduced to zone of reasonableness.Hydrojet control valve 800 is closed again after entering default zone of reasonableness.
Thus, hydrojet control valve 800 can be utilized to control to enter the refrigerant flow of the jet 130 of compressor 100, thus convenient exhaust or the head temperature controlling compressor 100.Further, when Defrost operation state, hydrojet control valve 800 is closed, and prevents cold-producing medium from being leaked in condenser 300 by the jet 130 of compressor 100, thus ensures the refrigerant flow through evaporator 500, thus ensures defrosting effect.
In concrete examples more of the present utility model, hydrojet control valve 800 is electric expansion valve.
Alternatively, hydrojet control valve 800 also can be made from multiple components.Such as, the capillary that hydrojet control valve 800 can comprise magnetic valve and connect with described magnetic valve, or hydrojet control valve 800 can comprise magnetic valve and the electric expansion valve of connecting with described magnetic valve and capillary.
In specific embodiments more of the present utility model, major loop control valve 600 is electric expansion valve or heating power expansion valve.
Alternatively, major loop control valve 600 also can be made from multiple components.Such as, major loop control valve 600 can comprise magnetic valve and the capillary with described magnetic valve serial or parallel connection, or major loop control valve 600 can comprise electric expansion valve and the capillary with described electric expansion valve serial or parallel connection, or major loop control valve 600 can comprise heating power expansion valve and the capillary in parallel with described heating power expansion valve or check valve.
In concrete examples more of the present utility model, gas puff Z-pinch valve 700 is electric expansion valve or heating power expansion valve.
Alternatively, gas puff Z-pinch valve 700 also can be made from multiple components.Such as, the capillary that gas puff Z-pinch valve 700 can comprise magnetic valve and connect with described magnetic valve, or gas puff Z-pinch valve 700 can comprise magnetic valve and the electric expansion valve of connecting with described magnetic valve and capillary.
Air-conditioner according to the utility model embodiment is described below.The heat pump 1 according to the utility model above-described embodiment is comprised according to the air-conditioner of the utility model embodiment.
According to the air-conditioner of the utility model embodiment, by utilizing the heat pump 1 according to the utility model above-described embodiment, heating capacity at low ambient temperatures and efficiency higher, have that heating capacity is adjustable, cycle efficieny is high, control is convenient, low cost and other advantages.
According to the air-conditioner of the utility model embodiment other form and operation be all known for those of ordinary skills, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this description or example can carry out engaging and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (9)

1. a heat pump, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet, air entry and jet;
Cross valve, described cross valve has exhaust connector, air-breathing connector, condenser connector and evaporimeter connector, and described exhaust connector is connected with the exhaust outlet of described compressor, and described air-breathing connector is connected with the air entry of described compressor;
Condenser, described condenser has condenser first port and condenser second port, and described condenser first port is connected with the condenser connector of described cross valve;
Economizer, described economizer has major loop entrance, major loop outlet, auxiliary circuit entrance and auxiliary circuit outlet, described major loop entrance and described major loop export and to be communicated with in the inside of described economizer and described auxiliary circuit entrance is communicated with in the inside of described economizer with described auxiliary circuit outlet, described major loop entrance is connected with described condenser second port, described auxiliary circuit outlet is connected with the jet of described compressor, and described major loop outlet is connected with described auxiliary circuit entrance by gas puff Z-pinch valve;
Evaporimeter, described evaporimeter has evaporimeter first port and evaporimeter second port, described evaporimeter first port is connected with the evaporimeter connector of described cross valve, and described evaporimeter second port is exported with the major loop of described economizer by major loop control valve and is connected.
2. heat pump according to claim 1, is characterized in that, described major loop outlet is connected by the jet of hydrojet control valve with described compressor.
3. heat pump according to claim 1, is characterized in that, described major loop control valve is electric expansion valve or heating power expansion valve.
4. heat pump according to claim 1, is characterized in that, described major loop control valve comprises:
Magnetic valve, with the capillary of described magnetic valve serial or parallel connection; Or
Electric expansion valve, with the capillary of described electric expansion valve serial or parallel connection; Or
Heating power expansion valve, the capillary in parallel with described heating power expansion valve or check valve.
5. heat pump according to claim 1, is characterized in that, described gas puff Z-pinch valve is electric expansion valve or heating power expansion valve.
6. heat pump according to claim 1, is characterized in that, described gas puff Z-pinch valve comprises:
Magnetic valve, the capillary of connecting with described magnetic valve; Or
Magnetic valve, the electric expansion valve of connecting with described magnetic valve and capillary.
7. heat pump according to claim 2, is characterized in that, described hydrojet control valve is electric expansion valve.
8. heat pump according to claim 2, is characterized in that, described hydrojet control valve comprises:
Magnetic valve, the capillary of connecting with described magnetic valve; Or
Magnetic valve, the electric expansion valve of connecting with described magnetic valve and capillary.
9. an air-conditioner, is characterized in that, comprises the heat pump according to any one of claim 1-8.
CN201420591278.6U 2014-10-13 2014-10-13 Heat pump and the air-conditioner with it Active CN204165275U (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315752A (en) * 2014-10-13 2015-01-28 广东美的暖通设备有限公司 Heat pump system and air conditioner with heat pump system
CN105258392A (en) * 2015-10-15 2016-01-20 珠海格力电器股份有限公司 Heat pump heating system, control method and heat pump water heater
CN107192156A (en) * 2017-05-18 2017-09-22 广东美的暖通设备有限公司 Air conditioner, the defrosting control method of air conditioner and system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315752A (en) * 2014-10-13 2015-01-28 广东美的暖通设备有限公司 Heat pump system and air conditioner with heat pump system
CN105258392A (en) * 2015-10-15 2016-01-20 珠海格力电器股份有限公司 Heat pump heating system, control method and heat pump water heater
CN107192156A (en) * 2017-05-18 2017-09-22 广东美的暖通设备有限公司 Air conditioner, the defrosting control method of air conditioner and system
CN107192156B (en) * 2017-05-18 2021-03-02 广东美的暖通设备有限公司 Air conditioner and defrosting control method and system of air conditioner

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