CN103759479A - Refrigerating equipment - Google Patents
Refrigerating equipment Download PDFInfo
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- CN103759479A CN103759479A CN201410060425.1A CN201410060425A CN103759479A CN 103759479 A CN103759479 A CN 103759479A CN 201410060425 A CN201410060425 A CN 201410060425A CN 103759479 A CN103759479 A CN 103759479A
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Abstract
The invention provides refrigerating equipment. The refrigerating equipment comprises a refrigerant driving device, a four-way valve, a condenser, a throttling gear and an evaporator, wherein the evaporator is connected with the four-way valve, a gas-liquid separator is connected with the other outlet of the four-way valve, and the outlet of the gas-liquid separator is connected with the inlet of the refrigerant driving device to form a loop. When the refrigerating equipment works, under the normal circumference, an electromagnetic valve of a line where a liquid pump is located is switched off, the liquid pump is switched off, a compressor is switched on for refrigerating circulation, and namely the compressor serves as a refrigerant driving component. When environment temperature of the side where the condenser is located is lower than the environment temperature of the side where the evaporator is located, the liquid pump and the electromagnetic valve are switched on, the compressor is switched off, and external refrigerants with low temperature are directly conveyed into the indoor place for refrigerating circulation through the liquid pump. Compression acting on the refrigerants is not needed by comparing operation of the liquid pump and a compressing process of the compressor, and therefore energy consumption of liquid pump is lower than operation consumption of the compressor, and the energy-saving effect is achieved.
Description
Technical field
The present invention relates to air-conditioning technique field, particularly a kind of refrigeration plant.
Background technology
Along with the development of information industry, the quantity of communications equipment room is also sharply increasing.Because the machine in communications equipment room is when working, can produce a large amount of heat, in order to maintain the normal work of machine in machine room, refrigeration plant need to be set, to guarantee the environment of communications equipment room inside.
According to statistics, show, at present, the energy consumption for cooling of machine room accounts for greatly the energy consumption of whole room system nearly 40%.In country, advocate under the policy of energy-saving and emission-reduction, the refrigerated energy-saving of machine room seems more and more important.
In order to save energy consumption for cooling, prior art utilizes the cold of outdoor environment to realize refrigeration, and concrete scheme comprises: the new wind of the naturally cooling and direct introducing of ethylene glycol.Wherein, ethylene glycol Cooling System need to increase a set of ethylene glycol heat exchange coil, has increased the load of indoor fan, the energy consumption of indoor fan is increased, and offset part energy-saving effect; And directly introduce new wind, although can reduce energy consumption, when outdoor temperature is too low, introduce new wind and can cause equipment condensation, must filter new wind in addition, and filter, need professional equipment and personnel to safeguard, and have the hidden danger of equipment in air corrosion machine room.
In summary, the equipment of such scheme is all comparatively complicated.
Therefore, how to provide a kind of refrigeration plant, thereby to adopt outdoor cold refrigeration to reduce energy consumption, be the current technical issues that need to address of those skilled in the art.
Summary of the invention
The heat pump that the object of this invention is to provide a kind of multi-gang air-conditioner, to improve the service life of compressor.Another object of the present invention is to provide a kind of multi-gang air-conditioner with above-mentioned heat pump.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of refrigeration plant, comprise refrigerant drive unit, a cross valve that entrance is connected with described refrigerant drive unit, the condenser being connected with one of described cross valve outlet, the throttling arrangement being connected with described condenser, the evaporimeter being connected with described throttling arrangement, and described evaporimeter is connected with another entrance of described cross valve, export with another of described cross valve gas-liquid separator being connected, described gas-liquid separator and described refrigerant drive unit are connected to form loop
It is characterized in that, described refrigerant drive unit comprises:
The compressor being arranged in parallel and liquor pump;
With connect with described liquor pump, to control the magnetic valve of described liquor pump place pipeline break-make.
Preferably, in above-mentioned refrigeration plant, also comprise with described compressor and connecting, and by described compressor the first check valve to described cross valve conducting.
Preferably, in above-mentioned refrigeration plant, also comprise with described liquor pump and connecting, and by described liquor pump the second check valve to described cross valve conducting.
Preferably, in above-mentioned refrigeration plant, described throttling arrangement is electric expansion valve.
The invention provides a kind of refrigeration plant, comprise refrigerant drive unit, a cross valve that entrance is connected with the outlet of refrigerant drive unit, the condenser being connected with one of this cross valve outlet, the throttling arrangement being connected with the outlet of condenser, the evaporimeter being connected with the outlet of this throttling arrangement, and the outlet of evaporimeter is connected with another entrance of cross valve, also comprise with another of cross valve and export the gas-liquid separator being connected, and the entrance of the outlet of this gas-liquid separator and refrigerant drive unit is connected to form loop.
During work, under normal circumstances, liquor pump magnetic valve on the line disconnect, and liquor pump closes, and opens compressor, to carry out kind of refrigeration cycle, by compressor as refrigerant driver part; When the environment temperature of condenser survey is surveyed environment temperature lower than evaporimeter, open liquor pump and magnetic valve, and close compressor, by liquor pump, the low refrigerant of ambient temperature is directly delivered to the indoor kind of refrigeration cycle of carrying out.Because the running of liquor pump is compared with compressor compresses process, do not need refrigerant to carry out compressed action, therefore, the energy consumption of liquor pump is less than compressor operating consumption, thereby realizes energy-saving effect.
Accompanying drawing explanation
The structural representation of the refrigeration plant that Fig. 1 provides for the embodiment of the present invention.
The specific embodiment
Core of the present invention is to provide a kind of heat pump of multi-gang air-conditioner, to improve the service life of compressor.Another core of the present invention is to provide a kind of multi-gang air-conditioner with above-mentioned heat pump.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Please refer to shown in Fig. 1, the embodiment of the invention discloses a kind of refrigeration plant, comprise refrigerant drive unit, a cross valve 3 that entrance is connected with the outlet of refrigerant drive unit, a condenser 4 that outlet is connected with this cross valve 3, the throttling arrangement 5 being connected with the outlet of condenser 4, the evaporimeter 6 being connected with the outlet of this throttling arrangement 5, and the outlet of evaporimeter 6 is connected with another entrance of cross valve 3, also comprise with another of cross valve 3 and export the gas-liquid separator 7 being connected, and the entrance of the outlet of this gas-liquid separator 7 and refrigerant drive unit is connected to form loop.
The application's emphasis is that this refrigerant drive unit comprises: compressor 11 and liquor pump 21, and compressor 11 and liquor pump 21 both in parallel after one end be connected with cross valve 3, the other end is connected with gas-liquid separation device 7.For these liquor pump 21 place pipelines are carried out to break-make control, therefore, this refrigerant drive unit also comprises the magnetic valve 22 of connecting with liquor pump 21.
During work, under normal circumstances, 21 of liquor pumps magnetic valve 22 on the line disconnects, and liquor pump 21 closes, and opens compressor 11, to carry out kind of refrigeration cycle, by compressor 11 as refrigerant driver part; When the environment temperature of condenser 4 sides is during lower than evaporimeter 6 side environment temperature, open liquor pump 21 and magnetic valve 22, and close compressor 11, by liquor pump 21, the low refrigerant of ambient temperature is directly delivered to the indoor kind of refrigeration cycle of carrying out.Because the running of liquor pump 21 is compared with compressor 11 compression processes, do not need refrigerant to carry out compressed action, therefore, the energy consumption of liquor pump 21 is less than compressor 11 operations and consumes, thereby realizes the effect of refrigeration device energy-saving.
Further, in embodiment, this refrigeration plant also comprises with compressor 11 connects, and by compressor 11 the first check valve 12 to cross valve 3 conductings.By the first check valve 12 is set, can prevent that refrigerant agent from refluxing and compressor 11 is caused damage.
In like manner, in order to prevent that refrigerant agent from causing damage to liquor pump 21, this cold-producing medium also comprises with liquor pump 21 connects, and by liquor pump 21 the second check valve 23 to cross valve 3 conductings.By being set, the second check valve 23 can carry out anti-backflow protection to liquor pump 21, to improve the service life of liquor pump 21.
Particularly, during conventional refrigerating operaton, liquor pump 21, magnetic valve 22 are closed, open compressor 11 and carry out kind of refrigeration cycle, refrigerant through compressor 11 compression by the first check valve 12, cross valve 3 to condensation in condenser 4, then through throttling arrangement 5, to evaporimeter 6, carry out sweat cooling, then arrive gas-liquid separator 7 separation, complete kind of refrigeration cycle getting back to compressor 1.
When outdoor environment temperature can carry out energy-conservation refrigerating operaton lower than indoor environment temperature, close compressor 1, opening liquor pump 21 freezes, refrigerant provides power through liquor pump 21, through the second check valve 23, cross valve 3, to condensation in condenser 4, then carry out sweat cooling through throttling arrangement 5 to evaporimeter 6, then to gas-liquid separator 7, return liquor pump 21 and complete energy saver mode kind of refrigeration cycle.Because the energy consumption of liquor pump 21 is much smaller than compressor 11, thereby reach energy-saving effect.
In specific embodiment, the throttling arrangement 5 in this refrigeration plant is electric expansion valve.It will be appreciated by persons skilled in the art that this throttling arrangement 5 can need to select different choke valves according to different, and all in protection domain.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a refrigeration plant, comprise refrigerant drive unit, a cross valve (3) that entrance is connected with described refrigerant drive unit, a condenser (4) that outlet is connected with described cross valve (3), the throttling arrangement (5) being connected with described condenser (4), the evaporimeter (6) being connected with described throttling arrangement (5), and described evaporimeter (6) is connected with another entrance of described cross valve (3), export with another of described cross valve (3) gas-liquid separator (7) being connected, described gas-liquid separator (7) is connected to form loop with described refrigerant drive unit,
It is characterized in that, described refrigerant drive unit comprises:
The compressor being arranged in parallel (11) and liquor pump (21);
With connect with described liquor pump (21), to control the magnetic valve (22) of described liquor pump (21) place pipeline break-make.
2. refrigeration plant according to claim 1, is characterized in that, also comprise with described compressor (11) and connecting, and by described compressor (11) the first check valve (12) to described cross valve (3) conducting.
3. refrigeration plant according to claim 1, is characterized in that, also comprise with described liquor pump (21) and connecting, and by described liquor pump (21) the second check valve (23) to described cross valve (3) conducting.
4. refrigeration plant according to claim 1, is characterized in that, described throttling arrangement (5) is electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410060425.1A CN103759479B (en) | 2014-02-21 | 2014-02-21 | A kind of refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410060425.1A CN103759479B (en) | 2014-02-21 | 2014-02-21 | A kind of refrigeration plant |
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| Publication Number | Publication Date |
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| CN103759479A true CN103759479A (en) | 2014-04-30 |
| CN103759479B CN103759479B (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410060425.1A Active CN103759479B (en) | 2014-02-21 | 2014-02-21 | A kind of refrigeration plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236148A (en) * | 2014-08-28 | 2014-12-24 | 浙江青风环境股份有限公司 | Edible mushroom refrigeration house energy-saving refrigeration system |
| CN104697223A (en) * | 2015-03-17 | 2015-06-10 | 浙江国祥空调设备有限公司 | Novel energy-saving air-cooled chiller unit |
| CN105333641A (en) * | 2014-07-02 | 2016-02-17 | 约克广州空调冷冻设备有限公司 | Air-source water heating system of air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02223773A (en) * | 1989-02-23 | 1990-09-06 | Sanki Eng Co Ltd | Refrigerating device for cooling, which is used in combination both for low-temperature medium and high-temperature medium |
| CN101270934A (en) * | 2008-05-13 | 2008-09-24 | 上海理工大学 | Combination method and device of two-stage compression heat pump air conditioner and refrigerator system |
| CN101280957A (en) * | 2008-04-18 | 2008-10-08 | 西安交通大学 | Parallelly-arranged double-circulating heat pump water heater |
| CN101571299A (en) * | 2009-06-05 | 2009-11-04 | 杜保泽 | Heating and bathing device utilizing solar energy heat pump |
| CN102135302A (en) * | 2010-01-25 | 2011-07-27 | 王猛 | Machine room energy-saving heat radiating system and control method thereof |
-
2014
- 2014-02-21 CN CN201410060425.1A patent/CN103759479B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02223773A (en) * | 1989-02-23 | 1990-09-06 | Sanki Eng Co Ltd | Refrigerating device for cooling, which is used in combination both for low-temperature medium and high-temperature medium |
| CN101280957A (en) * | 2008-04-18 | 2008-10-08 | 西安交通大学 | Parallelly-arranged double-circulating heat pump water heater |
| CN101270934A (en) * | 2008-05-13 | 2008-09-24 | 上海理工大学 | Combination method and device of two-stage compression heat pump air conditioner and refrigerator system |
| CN101571299A (en) * | 2009-06-05 | 2009-11-04 | 杜保泽 | Heating and bathing device utilizing solar energy heat pump |
| CN102135302A (en) * | 2010-01-25 | 2011-07-27 | 王猛 | Machine room energy-saving heat radiating system and control method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333641A (en) * | 2014-07-02 | 2016-02-17 | 约克广州空调冷冻设备有限公司 | Air-source water heating system of air conditioner |
| CN105333641B (en) * | 2014-07-02 | 2017-10-03 | 约克广州空调冷冻设备有限公司 | Air-source air conditioning and water heating system |
| CN104236148A (en) * | 2014-08-28 | 2014-12-24 | 浙江青风环境股份有限公司 | Edible mushroom refrigeration house energy-saving refrigeration system |
| CN104697223A (en) * | 2015-03-17 | 2015-06-10 | 浙江国祥空调设备有限公司 | Novel energy-saving air-cooled chiller unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103759479B (en) | 2016-05-04 |
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Inventor after: Zhang Quanhong Inventor after: Liu Hongbin Inventor before: Liu Hongbin Inventor before: Zhang Quanhong |
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Free format text: CORRECT: INVENTOR; FROM: LIU HONGBIN ZHANG QUANHONG TO: ZHANG QUANHONG LIU HONGBIN |
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Address after: 528200 No. 1 compiled by the villagers' group of helangsha, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Guangdong Kaili HVAC Co.,Ltd. Address before: 528200 No. 1 compiled by the villagers' group of helangsha, Shengli village, Lishui Town, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG CHIGO HEATING AND VENTILATION EQUIPMENT Co.,Ltd. |
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