CN102853583A - Heat pump system - Google Patents
Heat pump system Download PDFInfo
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- CN102853583A CN102853583A CN2012103852644A CN201210385264A CN102853583A CN 102853583 A CN102853583 A CN 102853583A CN 2012103852644 A CN2012103852644 A CN 2012103852644A CN 201210385264 A CN201210385264 A CN 201210385264A CN 102853583 A CN102853583 A CN 102853583A
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- condenser
- evaporimeter
- heat pump
- heat
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Abstract
The invention discloses a heat pump, and provides a system capable of adjusting a flow that refrigerating fluid enters condensers and evaporators according to a valve opening degree, so as to control a refrigeration amount and a heating amount. An exhaust opening of a compressor is connected with a first valve and a second valve; the first valve is connected with a first condenser; the second valve is connected with a second condenser; the first condenser and the second condenser are connected in parallel, and then are connected with an inlet of a throttling device; an outlet of the throttling device is connected with a third valve and a fourth valve; the third valve is connected with a first evaporator; the fourth valve is connected with a second evaporator; the first evaporator and the second evaporator are connected in parallel and then are connected with an air suction opening of the compressor; a first group of heat exchange devices consist of the first condenser and the first evaporator; and a second group of heat exchange devices consist of the second condenser and the second evaporator. If the refrigeration amount or the heating amount needs to be adjusted, the four valves are partially opened, and the flow that the refrigerating fluid enters the condensers and the evaporators can be adjusted, so that the refrigeration amount and the heating amount can be controlled.
Description
Technical field
The present invention relates to technical field of heat pumps, particularly relate to a kind of heat pump.
Background technology
At present, the accurate control of refrigerating capacity and heating capacity is to realize by the output quantity of regulating compressor, to satisfy technique or comfortableness to the needs of accurate temperature.For example: the output quantity of regulating AC compressor by the frequency of supply that changes alternating current generator, or the output quantity of regulating direct current compressor by the supply voltage that changes direct current generator, or link up the compressor suction and exhaust ports by control valve and form the output quantity that compressor is regulated in load and unloading.The heat pump complex structure that these control methods are related, cost is high, and electrical piano power loss is large, is unfavorable for miniaturization.
At present, heat pump is to adopt four-way change-over valve switch condenser and evaporator pipeline to realize freezing and heating circulation.But when controlling for the needs accurate temperature, four-way change-over valve can frequently switch, and condenser and evaporator pressure change frequent, and system's fluctuation of service is unfavorable for energy saving of system, and temperature controlled accuracy is very low.
Summary of the invention
The objective of the invention is for the technological deficiency that exists in the prior art, and provide a kind of valve opening degree adjusting cold-producing medium that utilizes to enter condenser and evaporator flow, realize the heat pump of refrigerating capacity and heating capacity control.
For realizing that the technical scheme that purpose of the present invention adopts is:
A kind of heat pump, it is characterized in that, comprise compressor, the first condenser, the second condenser, the first evaporimeter, the second evaporimeter, the first valve, the second valve, the 3rd valve, the 4th valve, throttling arrangement, the exhaust outlet of described compressor respectively with described the first valve be connected valve and be connected, described the first valve is connected with described the first condenser, described the second valve is connected with described the second condenser, be connected with the import of described throttling arrangement after described the first condensator outlet and described the second condensator outlet parallel connection, the outlet of described throttling arrangement is connected with the 4th valve with described the 3rd valve respectively, described the 3rd valve is connected with described the first evaporimeter, described the 4th valve is connected with described the second evaporimeter, is connected with the air entry of described compressor after described the first evaporator outlet and described the second evaporator outlet parallel connection; Described the first condenser and described the first evaporimeter form first group of heat-exchanger rig, and described the second condenser and described the second evaporimeter form second group of heat-exchanger rig; During the refrigeration modes operation, described the first valve and described the 4th valve opening, described the second valve and described the 3rd valve closing; During the heat pump mode operation, described the first valve and described the 4th valve closing, described the second valve and described the 3rd valve opening; When needing to regulate refrigerating capacity or heating capacity, described the first valve, the second valve, the 3rd valve and the 4th valve all part are opened, and described the first valve and described the second valve, described the 3rd valve and described the 4th valve are not closed simultaneously; The aperture of described the first valve is controlled the refrigerant amount of described the first condenser, the aperture of described the second valve is controlled the refrigerant amount of described the second condenser, the aperture of described the 3rd valve is controlled the refrigerant amount of described the first evaporimeter, the aperture of described the 4th valve is controlled the refrigerant amount of described the second evaporimeter, the refrigerating capacity of described the first condenser and described the first evaporimeter or the variable quantity of heating capacity are the refrigerating capacity of described first group of heat-exchanger rig or the variable quantity of heating capacity, and the refrigerating capacity of described the second condenser and described the second evaporimeter or the variable quantity of heating capacity are the variable quantity of described the second heat-exchanger rig refrigerating capacity or heating capacity.
Also comprise controller and temperature sensor, described the first valve, the second valve, the 3rd valve, the 4th valve are motor-driven valve, and described controller is connected with temperature sensor with described the first valve, the second valve, the 3rd valve, the 4th valve respectively.
Described the first condenser and the second condenser are air-cooled condenser or water-cooled condenser.
Described the first evaporimeter and the second evaporimeter are any in the evaporimeter of air-cooler, water-cooled evaporimeter, refrigerating medium form.
Described the first valve, the second valve, the 3rd valve, the 4th valve are any in ball valve, gate valve, the pulse width modulation valve.
Described throttling arrangement is any in expansion valve, capillary, the throttle orifice plate apparatus.
Compared with prior art, the invention has the beneficial effects as follows:
Heat pump of the present invention has two condensers and two evaporimeters, a condenser and an evaporimeter are installed side by side and are formed one group of heat-exchanger rig, regulate the refrigerant amount that enters in every condenser and the evaporimeter by the open degree of controlling each valve, reach fine adjustment refrigerating capacity and heating capacity, system architecture is simple, cost is low, and system effectiveness is high, is conducive to miniaturization; Refrigerating capacity and the heating capacity flexible adjustment of heat pump output, stable; When being used for freezer or air-conditioning, temperature fluctuation is little in the room.
Description of drawings
Figure 1 shows that the schematic diagram of heat pump of the present invention.
Among the figure: 1. compressor, 2-1. the first condenser, 2-2. the second condenser, 3-1. the first evaporimeter, 3-2. the second evaporimeter, 4-1. the first valve, 4-2. the second valve, 4-3. the 3rd valve, 4-4. the 4th valve, 5. throttling arrangement.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Figure 1 shows that the schematic diagram of heat pump of the present invention, comprise compressor 1, the first condenser 2-1, the second condenser 2-2, the first evaporimeter 3-1, the second evaporimeter 3-2, the first valve 4-1, the second valve 4-2, the 3rd valve 4-3, the 4th valve 4-4, throttling arrangement 5, the exhaust outlet of described compressor 1 respectively with described the first valve 4-1 be connected valve 4-2 and be connected, described the first valve 4-1 is connected with described the first condenser 2-1, described the second valve 4-2 is connected with described the second condenser 2-2, described the first condenser 2-1 outlet is connected with the import of described throttling arrangement 5 with described the second condenser 2-2 outlet parallel connection is rear, the outlet of described throttling arrangement 5 is connected with the 4th valve 4-4 with described the 3rd valve 4-3 respectively, described the 3rd valve 4-3 is connected with described the first evaporimeter 3-1, described the 4th valve 4-4 is connected with described the second evaporimeter 3-2, and described the first evaporimeter 3-1 outlet is connected with the air entry of described compressor 1 with described the second evaporimeter 3-2 outlet parallel connection is rear.Described the first condenser 2-1 and described the first evaporimeter 3-1 install side by side and form first group of heat-exchanger rig, and described the second condenser 2-2 and described the second evaporimeter 3-2 install side by side and form second group of heat-exchanger rig.When moving according to the freezer mode, the first heat-exchanger rig that is comprised of the first condenser 2-1 and the first evaporimeter 3-1 is installed on outside the freezer, and the second heat-exchanger rig that is comprised of the second condenser 2-2 and the second evaporimeter 3-2 is installed in the freezer.When installing according to air conditioning mode, the first heat-exchanger rig that is comprised of the first condenser 2-1 and the first evaporimeter 3-1 is installed on outdoor, and the second heat-exchanger rig that is comprised of the second condenser 2-2 and the second evaporimeter 3-2 is installed on indoor.
When system moved according to conventional refrigeration modes, described the first valve 4-1 and described the 4th valve 4-4 opened, and described the second valve 4-2 and described the 3rd valve 4-3 close.After compressing from compressor 1, cold-producing medium dispels the heat by the first valve 4-1 condensation in the first condenser 2-1, through in the second evaporimeter 3-2, producing the refrigeration phenomenon behind the evaporation endothermic by the 4th valve 4-4 after throttling arrangement 5 throttlings, then cold-producing medium enters compression in the compressor 1, finishes kind of refrigeration cycle.
When system moved according to conventional heat pump mode, described the first valve 4-1 and described the 4th valve 4-4 closed, and described the second valve 4-2 and described the 3rd valve 4-3 open.After compressing from compressor 1, cold-producing medium dispels the heat by the second valve 4-2 condensation in the second condenser 2-2, generation heats phenomenon by throttling arrangement 5 throttlings, by the 3rd valve 4-3 evaporation endothermic in the first evaporimeter 3-1, then cold-producing medium enters compression in the compressor 1, finishes heat pump cycle.
When needing to regulate refrigerating capacity or heating capacity, described the first valve 4-1, the second valve 4-2, the 3rd valve 4-3 and the 4th valve 4-4 all part open, and described the first valve 4-1 and described the second valve 4-2, described the 3rd valve 4-3 and described the 4th valve 4-4 do not close simultaneously.The aperture of described the first valve 4-1 is controlled the refrigerant amount of described the first condenser 2-2, the aperture of described the second valve 4-2 is controlled the refrigerant amount of described the second condenser 2-2, the aperture of described the 3rd valve 4-3 is controlled the refrigerant amount of described the first evaporimeter 3-1, the aperture of described the 4th valve 4-4 is controlled the refrigerant amount of described the second evaporimeter 3-2, the refrigerating capacity of described the first condenser 2-1 and described the first evaporimeter 3-1 or the variable quantity of heating capacity are the refrigerating capacity of described first group of heat-exchanger rig or the variable quantity of heating capacity, and the refrigerating capacity of described the second condenser 2-2 and described the second evaporimeter 3-2 or the variable quantity of heating capacity are the variable quantity of described the second heat-exchanger rig refrigerating capacity or heating capacity.In the use procedure, the situation of change of refrigerating capacity or heating capacity as required.Control the aperture of the first valve, the second valve, the 3rd valve and the 4th valve.
In order to realize automatic control, also comprise controller and temperature sensor, described the first valve 4-1, the second valve 4-2, the 3rd valve 4-3, the 4th valve 4-4 are motor-driven valve, and described controller is connected with described the first valve, the second valve, the 3rd valve, the 4th valve, temperature sensor respectively.Temperature sensor detects the situation of temperature and delivers to controller, controller calculates the variable quantity of refrigerating capacity or heating capacity, controller is by the amount of cold-producing medium in each valve of regulation of control the first valve 4-1, the second valve 4-2, the 3rd valve 4-3, the 4th valve 4-4, thereby controls the refrigerating capacity of the first heat-exchanger rig and the second heat-exchanger rig or the variable quantity of heating capacity.
Wherein, described compressor 1 is prior art, and pattern is not limit, and can be displacement type or velocity profile, can be to decide frequency or frequency conversion.
Described the first condenser 2-1 and the second condenser 2-2 are prior art, are air-cooled condenser or water-cooled condenser, also can be the condensers of other form.
Described the first evaporimeter 3-1 and the second evaporimeter 3-2 are prior art, are in the evaporimeter of air-cooler, water-cooled evaporimeter or other refrigerating medium form any.
Described the first valve 4-1, the second valve 4-2, the 3rd valve 4-3, the 4th valve 4-4 are prior art, can adopt in ball valve, gate valve, the pulse width modulation valve any.Can be electronic, pneumatic or manual, also available triple valve or cross valve replace.
Described throttling arrangement 5 is prior art, can adopt in expansion valve, capillary, the throttle orifice plate apparatus any, or other throttling arrangement.
The above only is preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. heat pump, it is characterized in that, comprise compressor, the first condenser, the second condenser, the first evaporimeter, the second evaporimeter, the first valve, the second valve, the 3rd valve, the 4th valve, throttling arrangement, the exhaust outlet of described compressor respectively with described the first valve be connected valve and be connected, described the first valve is connected with described the first condenser, described the second valve is connected with described the second condenser, be connected with the import of described throttling arrangement after described the first condensator outlet and described the second condensator outlet parallel connection, the outlet of described throttling arrangement is connected with the 4th valve with described the 3rd valve respectively, described the 3rd valve is connected with described the first evaporimeter, described the 4th valve is connected with described the second evaporimeter, is connected with the air entry of described compressor after described the first evaporator outlet and described the second evaporator outlet parallel connection; Described the first condenser and described the first evaporimeter form first group of heat-exchanger rig, and described the second condenser and described the second evaporimeter form second group of heat-exchanger rig; During the refrigeration modes operation, described the first valve and described the 4th valve opening, described the second valve and described the 3rd valve closing; During the heat pump mode operation, described the first valve and described the 4th valve closing, described the second valve and described the 3rd valve opening; When needing to regulate refrigerating capacity or heating capacity, described the first valve, the second valve, the 3rd valve and the 4th valve all part are opened, and described the first valve and described the second valve, described the 3rd valve and described the 4th valve are not closed simultaneously; The aperture of described the first valve is controlled the refrigerant amount of described the first condenser, the aperture of described the second valve is controlled the refrigerant amount of described the second condenser, the aperture of described the 3rd valve is controlled the refrigerant amount of described the first evaporimeter, the aperture of described the 4th valve is controlled the refrigerant amount of described the second evaporimeter, the refrigerating capacity of described the first condenser and described the first evaporimeter or the variable quantity of heating capacity are the refrigerating capacity of described first group of heat-exchanger rig or the variable quantity of heating capacity, and the refrigerating capacity of described the second condenser and described the second evaporimeter or the variable quantity of heating capacity are the variable quantity of described the second heat-exchanger rig refrigerating capacity or heating capacity.
2. heat pump according to claim 1, it is characterized in that, also comprise controller and temperature sensor, described the first valve, the second valve, the 3rd valve, the 4th valve are motor-driven valve, and described controller is connected with temperature sensor with described the first valve, the second valve, the 3rd valve, the 4th valve respectively.
3. heat pump according to claim 1 is characterized in that, described the first condenser and the second condenser are air-cooled condenser or water-cooled condenser.
4. heat pump according to claim 1 is characterized in that, described the first evaporimeter and the second evaporimeter are any in the evaporimeter of air-cooler, water-cooled evaporimeter, refrigerating medium form.
5. heat pump according to claim 1 is characterized in that, described the first valve, the second valve, the 3rd valve, the 4th valve are any in ball valve, gate valve, the pulse width modulation valve.
6. heat pump according to claim 1 is characterized in that, described throttling arrangement is any in expansion valve, capillary, the throttle orifice plate apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103852644A CN102853583A (en) | 2012-10-12 | 2012-10-12 | Heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103852644A CN102853583A (en) | 2012-10-12 | 2012-10-12 | Heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102853583A true CN102853583A (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103852644A Pending CN102853583A (en) | 2012-10-12 | 2012-10-12 | Heat pump system |
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| CN (1) | CN102853583A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075831A (en) * | 2013-01-21 | 2013-05-01 | 深圳市庄合地能产业科技有限公司 | Novel air-cooled evaporation type composite refrigeration house refrigerating system |
| CN105241295A (en) * | 2015-11-23 | 2016-01-13 | 唐玉敏 | Low-pressure liquid separation system |
| CN108027178A (en) * | 2015-03-17 | 2018-05-11 | 洋马株式会社 | Heat pump |
| CN108507218A (en) * | 2018-05-10 | 2018-09-07 | 谈达伟 | A kind of refrigerating system of variable-volume |
| CN109210829A (en) * | 2018-10-10 | 2019-01-15 | 天津商业大学 | A kind of Multifunctional heat pump system |
| US12044445B2 (en) | 2018-09-14 | 2024-07-23 | Carrier Corporation | Heat pump system, defrosting method for a heat pump system, and controller |
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| JPH1096562A (en) * | 1996-09-25 | 1998-04-14 | Matsushita Refrig Co Ltd | Air conditioner |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075831A (en) * | 2013-01-21 | 2013-05-01 | 深圳市庄合地能产业科技有限公司 | Novel air-cooled evaporation type composite refrigeration house refrigerating system |
| CN108027178A (en) * | 2015-03-17 | 2018-05-11 | 洋马株式会社 | Heat pump |
| US10816251B2 (en) | 2015-03-17 | 2020-10-27 | Yanmar Power Technology Co., Ltd. | Heat pump |
| CN105241295A (en) * | 2015-11-23 | 2016-01-13 | 唐玉敏 | Low-pressure liquid separation system |
| CN108507218A (en) * | 2018-05-10 | 2018-09-07 | 谈达伟 | A kind of refrigerating system of variable-volume |
| US12044445B2 (en) | 2018-09-14 | 2024-07-23 | Carrier Corporation | Heat pump system, defrosting method for a heat pump system, and controller |
| CN109210829A (en) * | 2018-10-10 | 2019-01-15 | 天津商业大学 | A kind of Multifunctional heat pump system |
| CN109210829B (en) * | 2018-10-10 | 2024-02-20 | 天津商业大学 | Multifunctional heat pump system |
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Application publication date: 20130102 |