CN203731729U - Water refrigerating unit - Google Patents
Water refrigerating unit Download PDFInfo
- Publication number
- CN203731729U CN203731729U CN201420098779.0U CN201420098779U CN203731729U CN 203731729 U CN203731729 U CN 203731729U CN 201420098779 U CN201420098779 U CN 201420098779U CN 203731729 U CN203731729 U CN 203731729U
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- liquid
- exchange
- liquid heat
- refrigerating medium
- gas
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Abstract
The utility model discloses a water refrigerating unit. The water refrigerating unit comprises a refrigeration circulating system which comprises a compressor, a condenser, a throttling part and an evaporator in serial connection, and a water inlet and a water outlet are formed in the evaporator. The water refrigerating unit further comprises a secondary refrigerant circulating system which comprises a liquid-liquid heat exchanger, a liquid pump and a gas-liquid heat exchanger in serial connection, a secondary refrigerant outlet of the liquid-liquid heat exchanger is communicated with a secondary refrigerant inlet of the liquid pump, a secondary refrigerant outlet of the liquid pump is communicated with a secondary refrigerant inlet of the gas-liquid heat exchanger, a secondary refrigerant outlet of the gas-liquid heat exchanger is communicated with a secondary refrigerant inlet of the liquid-liquid heat exchanger, the gas-liquid heat exchanger is arranged outdoors and used for heat exchange between air and secondary refrigerant, and the liquid-liquid heat exchanger is connected with the evaporator and capable of enabling heat exchange between the secondary refrigerant and water in the evaporator. The water refrigerating system has the advantages that cooling water in the evaporator can be refrigerated by the refrigeration circulating system and the secondary refrigerant circulating system in a low-temperature environment at the same time, and a refrigerating effect is improved correspondingly.
Description
Technical field
The utility model relates to refrigeration technology field, more particularly, relates to a kind of handpiece Water Chilling Units.
Background technology
At present a lot of occasions all need year round cooling, such as the place such as computer room, base station.Generally by handpiece Water Chilling Units, it is freezed, in prior art, handpiece Water Chilling Units comprises cooling cycle system, cooling cycle system comprises compressor 03, condenser 02, throttle part 01 and the evaporimeter 04 of serial connection successively, wherein the outlet of compressor 03 is communicated with the import of condenser 02, the outlet of condenser 02 is communicated with the import of throttle part 01, the outlet of throttle part 01 is communicated with the import of evaporimeter 04, and the outlet of evaporimeter 04 is communicated with the import of compressor 03.Refrigerant is compressed formation high temperature and high pressure gas in compressor 03, enter after condenser 02 condensation, in throttle part 01, carry out throttling, then enter evaporimeter 04 evaporation endothermic, thereby realizing carries out cooling to the water in evaporimeter 04, and evaporimeter 04 is also provided with water inlet 041 and delivery port 042, when refrigerant evaporation endothermic in evaporimeter 04 carries out cooling to the water of evaporimeter 04 inside simultaneously, cooling water flows into evaporimeter from water inlet 041 and is again cooled from delivery port 042 flows out heat absorption, so circulation.
But in the time using in the winter time handpiece Water Chilling Units to freeze, because environment temperature is too low, after compressor start, condensation temperature is low, height pressure reduction is little, and the reliability of cooling cycle system is reduced, and has reduced refrigeration.
In sum, how effectively improving winter refrigeration effect, is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of handpiece Water Chilling Units, and the structural design of this handpiece Water Chilling Units can improve winter refrigeration effect effectively.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of handpiece Water Chilling Units, comprises cooling cycle system, and described cooling cycle system comprises compressor, condenser, throttle part and the evaporimeter of serial connection successively, and on described evaporimeter, offers water inlet and delivery port, also comprise the refrigerating medium circulatory system, and it comprises:
Liquid-liquid heat exchanger, liquid pump and the gas-liquid heat-exchange of serial connection successively, and the outlet of the refrigerating medium of described liquid-liquid heat exchanger is communicated with the refrigerating medium import of liquid pump, the refrigerating medium outlet of liquid pump is communicated with the refrigerating medium import of described gas-liquid heat-exchange, and the refrigerating medium outlet of described gas-liquid heat-exchange is communicated with the refrigerating medium import of liquid-liquid heat exchanger;
Described gas-liquid heat-exchange is positioned at outdoor, carries out heat exchange for air and refrigerating medium;
Described liquid-liquid heat exchanger is connected with evaporimeter, can make the water in refrigerating medium and evaporimeter carry out heat exchange.
Preferably, in above-mentioned handpiece Water Chilling Units, described refrigerating medium is Cacl
2the aqueous solution or glycol water.
Preferably, in above-mentioned handpiece Water Chilling Units, a side of described gas-liquid heat-exchange is provided with blower fan.
Preferably, in above-mentioned handpiece Water Chilling Units, described blower fan is frequency conversion fan.
Preferably, in above-mentioned handpiece Water Chilling Units, described condenser and gas-liquid heat-exchange are arranged side by side.
Preferably, in above-mentioned handpiece Water Chilling Units, described condenser is positioned at the side away from described blower fan of described gas-liquid heat-exchange.
Preferably, in above-mentioned handpiece Water Chilling Units, described throttle part is specially expansion valve.
Preferably, in above-mentioned handpiece Water Chilling Units, the refrigerating medium pipeline of described gas-liquid heat-exchange is through being repeatedly bent to form.
The handpiece Water Chilling Units that the utility model provides, comprise cooling cycle system and the refrigerating medium circulatory system, wherein cooling cycle system comprises compressor, condenser, throttle part and the evaporimeter of serial connection successively, wherein the outlet of compressor and the import of condenser are communicated with, the outlet of condenser is communicated with the import of throttle part, the outlet of throttle part is communicated with the import of evaporimeter, and the outlet of evaporimeter is communicated with the import of compressor.Refrigerant is compressed formation high temperature and high pressure gas in compressor, enter after condenser condenses, in throttle part, carry out throttling, then enter evaporator evaporation heat absorption, thereby realizing carries out cooling to the water in evaporimeter, after water is cooled, from the delivery port of evaporimeter flows out heat absorption, flow back to evaporimeter from the water inlet of evaporimeter, form circulation.
Wherein the refrigerating medium circulatory system comprises liquid-liquid heat exchanger, liquid pump and the gas-liquid heat-exchange of serial connection successively, and the outlet of the refrigerating medium of liquid-liquid heat exchanger is communicated with the refrigerating medium import of liquid pump, the refrigerating medium outlet of liquid pump is communicated with the refrigerating medium import of described gas-liquid heat-exchange, the refrigerating medium outlet of described gas-liquid heat-exchange is communicated with the refrigerating medium import of liquid-liquid heat exchanger, refrigerating medium can be in liquid-liquid heat exchanger, liquid pump and gas-liquid heat-exchange circulation.And gas-liquid heat-exchange is positioned at outdoor, it can be used in air and refrigerating medium carries out heat exchange.Liquid-liquid heat exchanger is connected with evaporimeter, can make the water in refrigerating medium and evaporimeter carry out heat exchange.
Application the utility model provide handpiece Water Chilling Units time, when environment temperature is lower in the winter time, condensation temperature is lower, height pressure reduction is little, when compressor reliability reduces, can open the liquid pump in the refrigerating medium circulatory system, refrigerating medium in liquid-liquid heat exchanger enters in gas-liquid heat-exchange after liquid pump pressurization, refrigerating medium in gas-liquid heat-exchange and outdoor air carry out heat exchange, and then temperature reduces, then the refrigerating medium that temperature is lower flow back in liquid-liquid heat exchanger with evaporimeter in water carry out heat exchange, and then by the water cooling in evaporimeter, so realize the circulation of refrigerating medium.Like this realized that in low temperature environment, to utilize the refrigerating medium circulatory system and cooling cycle system the cooling water in evaporimeter to be carried out cooling simultaneously, improve accordingly refrigeration.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the cooling cycle system of handpiece Water Chilling Units of the prior art;
The system architecture schematic diagram of the handpiece Water Chilling Units that Fig. 2 provides for the utility model embodiment.
In accompanying drawing, mark is as follows:
01-throttle part, 02-condenser, 03-compressor, 04-evaporimeter, 041-water inlet, 042-delivery port;
1-condenser, 2-compressor, 3-throttle part, 4-evaporimeter, 41-water inlet, 42-delivery port, 5-gas-liquid heat-exchange, 6-liquid-liquid heat exchanger, 7-liquid pump, 8-blower fan.
Detailed description of the invention
The purpose of this utility model is to provide a kind of handpiece Water Chilling Units, and the structural design of this handpiece Water Chilling Units can improve winter refrigeration effect effectively.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 2, the handpiece Water Chilling Units that the utility model embodiment provides, comprise cooling cycle system and the refrigerating medium circulatory system, wherein cooling cycle system comprises compressor 2, condenser 1, throttle part 3 and the evaporimeter 4 of serial connection successively, wherein the outlet of compressor 2 is communicated with the import of condenser 1, the outlet of condenser 1 is communicated with the import of throttle part 3, and the outlet of throttle part 3 is communicated with the import of evaporimeter 4, and the outlet of evaporimeter 4 is communicated with the import of compressor 2.Refrigerant is compressed formation high temperature and high pressure gas in compressor 2, enter after condenser 1 condensation, in throttle part 3, carry out throttling, then enter evaporimeter 4 evaporation endothermics, thereby realizing carries out cooling to the water in evaporimeter 4, after water is cooled, from the delivery port 42 of evaporimeter 4 flows out heat absorption, flow back to evaporimeter 4 from the water inlet 41 of evaporimeter 4, form circulation.
Wherein the refrigerating medium circulatory system comprises liquid-liquid heat exchanger 6, liquid pump 7 and the gas-liquid heat-exchange 5 of serial connection successively, and the outlet of the refrigerating medium of liquid-liquid heat exchanger 6 is communicated with the refrigerating medium import of liquid pump 7, the refrigerating medium outlet of liquid pump 7 is communicated with the refrigerating medium import of described gas-liquid heat-exchange 5, the refrigerating medium outlet of described gas-liquid heat-exchange 5 is communicated with the refrigerating medium import of liquid-liquid heat exchanger 6, refrigerating medium can be in liquid-liquid heat exchanger 6, liquid pump 7 and gas-liquid heat-exchange 5 circulation.And gas-liquid heat-exchange 5 is positioned at outdoor, it can be used in air and refrigerating medium carries out heat exchange.Liquid-liquid heat exchanger 6 is connected with evaporimeter 4, can make the water in refrigerating medium and evaporimeter 4 carry out heat exchange.
When handpiece Water Chilling Units that application the utility model embodiment provides, when environment temperature is lower in the winter time, condensation temperature is lower, height pressure reduction is little, when compressor 2 reliabilities reduce, can open the liquid pump 7 in the refrigerating medium circulatory system, refrigerating medium in liquid-liquid heat exchanger 6 enters in gas-liquid heat-exchange 5 after liquid pump 7 pressurizations, refrigerating medium in gas-liquid heat-exchange 5 and outdoor air carry out heat exchange, and then temperature reduces, then the refrigerating medium that temperature is lower flow back in liquid-liquid heat exchanger 6 with evaporimeter 4 in water carry out heat exchange, and then by the water cooling in evaporimeter 4, so realize the circulation of refrigerating medium.Like this realized that in low temperature environment, to utilize the refrigerating medium circulatory system and cooling cycle system the cooling water in evaporimeter 4 to be carried out cooling simultaneously, improve accordingly refrigeration.
Certainly, in summer or outdoor temperature, when higher, the cooling cycle system that can only open in this handpiece Water Chilling Units freezes to the water in evaporimeter 4.In the time that outdoor temperature is lower, cooling cycle system and the refrigerating medium circulatory system that can open in this handpiece Water Chilling Units are freezed to the water in evaporimeter 4 simultaneously jointly.In the time that temperature further reduces, the refrigerating medium circulatory system that can only open in this handpiece Water Chilling Units is freezed to the water in evaporimeter 4.
In order further to optimize technique scheme, wherein refrigerating medium can be Cacl
2the aqueous solution or glycol water, due to Cacl
2the condensation temperature of the aqueous solution and glycol water is lower, is therefore adapted at using as refrigerating medium winter.Certainly refrigerating medium can also be salt solution, in this no limit.
In addition, in order to accelerate the heat exchange between the refrigerating medium in outdoor air and gas-liquid heat-exchange 5, can also blower fan 8 be set in a side of gas-liquid heat-exchange 5, blower fan 8 is so set and rotates the flowing velocity that can accelerate outdoor air, make gas-liquid heat-exchange 5 carry out heat exchange with the lower air of temperature all the time, improved accordingly the heat exchange amount between the refrigerating medium in outdoor air and gas-liquid heat-exchange 5.
Further, condenser 1 and gas-liquid heat-exchange 5 can be arranged side by side, and condenser 1 and gas-liquid heat-exchange 5 are all positioned at outdoor and are arranged side by side, and are so more convenient to install fix, and save installing space.Wherein, condenser 1 can be positioned at the side away from blower fan 8 of gas-liquid heat-exchange 5, be that condenser 1 is all relative with blower fan 8 with gas-liquid heat-exchange 5, gas-liquid heat-exchange 5 is between condenser 1 and blower fan 8, the outdoor air that so temperature is lower can be first with gas-liquid heat-exchange 5 in refrigerating medium heat exchange, ensure the demand of refrigerating medium heat exchange amount, and avoid first after condenser 1 heat exchange, affecting the heat exchange amount of outdoor air and refrigerating medium.And condenser 1 and gas-liquid heat-exchange 5 share a blower fan 8, and energy-conserving and environment-protective more, reduce costs.Certainly, two blower fans 8 also can be installed, and two blower fans 8 are relative with gas-liquid heat-exchange 5 with condenser 1, in this no limit respectively.
In addition, blower fan 8 can be frequency conversion fan, so can regulate according to outdoor temperature the rotating speed of frequency conversion fan, and then regulates air quantity, to improve heat transfer effect.
Wherein, throttle part 3 can be expansion valve, and the cost of expansion valve is lower, and easy to connect.Certainly, throttle part 3 can also be capillary, in this not all right restriction.
Preferably, the refrigerating medium pipeline of gas-liquid heat-exchange 5 is through being repeatedly bent to form, and the refrigerating medium pipeline of gas-liquid heat-exchange 5 has the kink of multiple mutual series connection, and wherein kink can be S type or U-shaped.So arrange, lengthen mobile total length and the time of refrigerating medium in gas-liquid heat-exchange 5, improve accordingly the heat exchange amount of gas-liquid heat-exchange 5, made the temperature of the refrigerating medium flowing out from gas-liquid heat-exchange 5 lower, and then improved the refrigeration to the water in evaporimeter 4.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model 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 (8)
1. a handpiece Water Chilling Units, comprise cooling cycle system, described cooling cycle system comprises compressor (2), condenser (1), throttle part (3) and the evaporimeter (4) of serial connection successively, and on described evaporimeter (4), offer water inlet (41) and delivery port (42), it is characterized in that, also comprise the refrigerating medium circulatory system, and it comprises:
Liquid-liquid heat exchanger (6), liquid pump (7) and the gas-liquid heat-exchange (5) of serial connection successively, and the outlet of the refrigerating medium of described liquid-liquid heat exchanger (6) is communicated with the refrigerating medium import of liquid pump (7), the refrigerating medium outlet of liquid pump (7) is communicated with the refrigerating medium import of described gas-liquid heat-exchange (5), and the refrigerating medium outlet of described gas-liquid heat-exchange (5) is communicated with the refrigerating medium import of liquid-liquid heat exchanger (6);
Described gas-liquid heat-exchange (5) is positioned at outdoor, carries out heat exchange for air and refrigerating medium;
Described liquid-liquid heat exchanger (6) is connected with evaporimeter (4), can make the water in refrigerating medium and evaporimeter (4) carry out heat exchange.
2. handpiece Water Chilling Units according to claim 1, is characterized in that, described refrigerating medium is Cacl
2the aqueous solution or glycol water.
3. handpiece Water Chilling Units according to claim 1, is characterized in that, a side of described gas-liquid heat-exchange (5) is provided with blower fan (8).
4. handpiece Water Chilling Units according to claim 3, is characterized in that, described blower fan (8) is frequency conversion fan.
5. handpiece Water Chilling Units according to claim 3, is characterized in that, described condenser (1) and gas-liquid heat-exchange (5) are arranged side by side.
6. handpiece Water Chilling Units according to claim 3, is characterized in that, described condenser (1) is positioned at the side away from described blower fan (8) of described gas-liquid heat-exchange (5).
7. handpiece Water Chilling Units according to claim 1, is characterized in that, described throttle part (3) is specially expansion valve.
8. handpiece Water Chilling Units according to claim 1, is characterized in that, the refrigerating medium pipeline of described gas-liquid heat-exchange (5) is through being repeatedly bent to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098779.0U CN203731729U (en) | 2014-03-05 | 2014-03-05 | Water refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098779.0U CN203731729U (en) | 2014-03-05 | 2014-03-05 | Water refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731729U true CN203731729U (en) | 2014-07-23 |
Family
ID=51201798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098779.0U Expired - Fee Related CN203731729U (en) | 2014-03-05 | 2014-03-05 | Water refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731729U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279796A (en) * | 2014-10-21 | 2015-01-14 | 上海瀚艺冷冻机械有限公司 | Water chilling unit and integrated screw water chilling unit comprising same |
| CN104896777A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Water chilling unit |
| CN107461952A (en) * | 2017-08-02 | 2017-12-12 | 阿尔西制冷工程技术（北京）有限公司 | Low form cooling by wind and low form refrigeration unit |
-
2014
- 2014-03-05 CN CN201420098779.0U patent/CN203731729U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896777A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Water chilling unit |
| CN104896777B (en) * | 2014-03-05 | 2018-01-05 | 珠海格力电器股份有限公司 | Handpiece Water Chilling Units |
| CN104279796A (en) * | 2014-10-21 | 2015-01-14 | 上海瀚艺冷冻机械有限公司 | Water chilling unit and integrated screw water chilling unit comprising same |
| CN107461952A (en) * | 2017-08-02 | 2017-12-12 | 阿尔西制冷工程技术（北京）有限公司 | Low form cooling by wind and low form refrigeration unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20210305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |