CN204100635U - The environment regulating device of low temperature test room - Google Patents

The environment regulating device of low temperature test room Download PDF

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Publication number
CN204100635U
CN204100635U CN201420388658.XU CN201420388658U CN204100635U CN 204100635 U CN204100635 U CN 204100635U CN 201420388658 U CN201420388658 U CN 201420388658U CN 204100635 U CN204100635 U CN 204100635U
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CN
China
Prior art keywords
evaporator unit
low temperature
evaporimeter
regulating device
temperature test
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420388658.XU
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Chinese (zh)
Inventor
黄俊斌
杨为标
丘智勇
周健雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201420388658.XU priority Critical patent/CN204100635U/en
Application granted granted Critical
Publication of CN204100635U publication Critical patent/CN204100635U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides the environment regulating device of low temperature test room, include: compressor, condenser, first throttle assembly, evaporimeter and the first gauge tap, the two ends of the first gauge tap connect the exhaust outlet of compressor and the flow export of first throttle assembly respectively; Evaporimeter is separated into evaporator unit more than two, is provided with evaporimeter throttle part between adjacent vaporizers unit.When defrosting mode runs, refrigerant directly enters evaporator unit by the first gauge tap after compressor is discharged, now evaporator unit foremost plays the effect of condenser, the HTHP refrigerant that compressor is discharged is by the melts on evaporator unit foremost, refrigerant enters the evaporator unit at rear portion after evaporimeter throttle part expenditure and pressure, gets back to compressor.And a small amount of frost on the evaporator unit at rear portion absorbs heat that evaporator unit foremost comes out and melts, therefore, defrosting efficiency is high, energy-conservation again, and control method is also simple.

Description

The environment regulating device of low temperature test room
Technical field
The utility model relates to the environment adjusting device technical field in laboratory, particularly relates to a kind of environment regulating device of low temperature test room.
Background technology
At present, as Fig. 1, the environment regulating device of low temperature test room includes: compressor 10, condenser 20, orifice union 30 and evaporimeter 40, and the Defrost mode of low temperature test room generally adopts electric defrosting mode or water defrosting mode:
1, electric defrosting mode: utilize electrical heating to promote laboratory temperature, by the melts produced.
Advantage: utilize the existing electric heating equipment in laboratory, controls simple;
Shortcoming: need at substantial electric energy, defrosting efficiency is not high, causes laboratory temperature that huge fluctuation occurs.
2, water defrosting mode: side makes high-pressure water pipe on an evaporator, utilizes the pressure of water and temperature to wash away ice
Advantage: control simple, during defrosting, laboratory temperature fluctuation is not too large;
Shortcoming: cause a large amount of waste water, defrosting terminates evaporimeter and overworks the globule, the easy frosting of device start finisher, accelerates the defrosting frequency in laboratory.
Therefore, the Defrost mode of the environment regulating device of current low temperature test room is still undesirable, needs to make improvements.
Summary of the invention
Technical problem to be solved in the utility model is the environment regulating device providing a kind of low temperature test room, the efficiency of low temperature test room defrosting can be improved, reduce the energy loss during defrosting of low temperature test room, reduce laboratory temperature during defrosting to fluctuate on a large scale, improve the dehumidifying effect in laboratory.
The utility model is achieved through the following technical solutions:
The environment regulating device of low temperature test room, include: compressor, condenser, first throttle assembly and evaporimeter, described compressor, condenser, first throttle assembly and evaporimeter are in turn connected to form cooling cycle system by pipeline, and refrigerant is arranged in described cooling cycle system and flows; Wherein, the environment regulating device of described low temperature test room also includes the first gauge tap, and the two ends of described first gauge tap connect the exhaust outlet of compressor and the flow export of first throttle assembly respectively by pipeline; Described evaporimeter is separated into evaporator unit more than two, is also provided with evaporimeter throttle part between adjacent vaporizers unit.
Wherein in an embodiment, described evaporimeter throttle part includes the second orifice union and controls the second gauge tap of refrigerant break-make in the second orifice union.
Further, described second orifice union is connected between adjacent vaporizers unit by mode in parallel with the second gauge tap controlling refrigerant break-make in the second orifice union.
Further, described first gauge tap is the first magnetic valve.
Further, described second gauge tap is the second magnetic valve.
Further, described evaporimeter is separated into the evaporator unit of two groups, namely comprise the first evaporator unit and the second evaporator unit, the second orifice union and the second magnetic valve adopt mode in parallel to be connected between the first evaporator unit and the second evaporator unit by pipeline.
Further, described condenser is shell-and-tube cooler.
Further, described evaporimeter is wind-cooled evaporator.
The beneficial effects of the utility model are as follows:
The environment regulating device of low temperature test room of the present utility model, include: compressor, condenser, first throttle assembly, evaporimeter and the first gauge tap, the two ends of described first gauge tap connect the exhaust outlet of compressor and the flow export of first throttle assembly respectively by pipeline; Evaporimeter is separated into evaporator unit more than two, is also provided with evaporimeter throttle part between adjacent vaporizers unit.When the environment regulating device of low temperature test room is in defrosting mode operation, refrigerant directly enters evaporator unit by the first gauge tap after compressor is discharged, now evaporator unit foremost plays the effect of condenser, the HTHP refrigerant that compressor is discharged is by the melts on evaporator unit foremost, refrigerant enters the evaporator unit at rear portion after evaporimeter throttle part expenditure and pressure, get back to compressor, complete a defrost cycle.And the heat that a small amount of frost absorption evaporator unit foremost on the evaporator unit at rear portion comes out melts under the fan action of laboratory.
The environment regulating device of low temperature test room of the present utility model, has following features:
1, the efficiency of low temperature test room defrosting is improved.
2, the energy loss during defrosting of low temperature test room is reduced.
3, reduce laboratory temperature during defrosting to fluctuate on a large scale.
4, laboratory dehumidifying effect is improved
The utility model is for the environment regulating device of existing low temperature test room, and defrosting efficiency is high, energy-conservation again, and its control method is also simple.
Accompanying drawing explanation
Fig. 1 is the environment regulating device system architecture schematic diagram of the low temperature test room of prior art;
When Fig. 2 is the environment regulating device refrigeration of the utility model low temperature test room, refrigerant flows to schematic diagram;
Fig. 3 be the environment regulating device of the utility model low temperature test room when heating refrigerant flow to schematic diagram
Description of reference numerals:
1, compressor, 2, shell-and-tube cooler, 3, first throttle assembly, 4, wind-cooled evaporator, the 5, first magnetic valve, the 401, first evaporator unit, the 402, second evaporator unit, the 403, second orifice union, the 404, second magnetic valve.
Detailed description of the invention
The utility model is in order to solve the problem of prior art, propose a kind of environment regulating device of low temperature test room, include: compressor, condenser, first throttle assembly and evaporimeter, described compressor, condenser, first throttle assembly and evaporimeter are in turn connected to form cooling cycle system by pipeline, and refrigerant is arranged in described cooling cycle system and flows; Wherein, the environment regulating device of described low temperature test room also includes the first gauge tap, and the two ends of described first gauge tap connect the exhaust outlet of compressor and the flow export of first throttle assembly respectively by pipeline; Described evaporimeter is separated into evaporator unit more than two, is also provided with evaporimeter throttle part between adjacent vaporizers unit.
Wherein in an embodiment, described evaporimeter throttle part includes the second orifice union and controls the second gauge tap of refrigerant break-make in the second orifice union.
Further, described second orifice union is connected between adjacent vaporizers unit by mode in parallel with the second gauge tap controlling refrigerant break-make in the second orifice union.
Further, described first gauge tap is the first magnetic valve.
Further, described second gauge tap is the second magnetic valve.
Further, described evaporimeter is separated into the evaporator unit of two groups, namely comprise the first evaporator unit and the second evaporator unit, the second orifice union and the second magnetic valve adopt mode in parallel to be connected between the first evaporator unit and the second evaporator unit by pipeline.
Further, described condenser is shell-and-tube cooler.
Further, described evaporimeter is wind-cooled evaporator.
Embodiment:
As shown in Figure 2,3, the environment regulating device of the low temperature test room of the present embodiment, include compressor 1, shell-and-tube cooler 2, first throttle assembly 3 and wind-cooled evaporator 4, for realizing not only efficient but also energy-conservation defrosting, add as lower component to system: 1. the tube connector between compressor exhaust pipe to evaporimeter and the first magnetic valve 5; 2. original wind-cooled evaporator 4 is cut into two parts: the first evaporator unit 401 and the second evaporator unit 402, between couple together with the second in parallel magnetic valve 404 and the second orifice union 403.
The environment regulating device of the low temperature test room of the present embodiment, during work:
1, run during refrigeration: as Fig. 2, the first magnetic valve 5 cuts out, and the second magnetic valve 404 is opened.Refrigerant from compressor 1 discharge after through shell-and-tube cooler 2, the first evaporator unit 401 is entered after reducing pressure by regulating flow, because the second magnetic valve 404 is opened, second orifice union 403 is inoperative, refrigerant enters the second evaporator unit 402 from the second magnetic valve 404, get back to compressor 1, the same with original refrigeration system.
2, run during defrosting: as Fig. 3, first magnetic valve 5 is opened, second magnetic valve 404 cuts out, refrigerant directly enters the first evaporator unit 401 by the first magnetic valve 5 after compressor 1 is discharged, now the first evaporator unit 401 is used as the purposes of condenser, the HTHP refrigerant that compressor is discharged is by the melts on the first evaporator unit 401, second magnetic valve 404 cuts out, refrigerant enters the second evaporator unit 402 after the second orifice union 403 expenditure and pressure, get back to compressor, complete a defrost cycle.And the heat that a small amount of frost on the second evaporator unit 402 comes out due to the first evaporator unit 401 melts under the fan action of laboratory.
3, become an air-cooled constant temp dehumidifier after whole system transformation, the effect on moisture extraction like this with the experimental bench of the environment regulating device of this low temperature test room significantly improves.
The present embodiment, for the environment regulating device of existing low temperature test room, adds two magnetic valves and an orifice union, original evaporimeter is divided into two parts, utilizes the flow direction changing refrigerant, is melted by the evaporimeter of frosting.Not only improve the defrosting efficiency in laboratory, economize energy, and minimizing brings the huge fluctuation of laboratory temperature because of defrosting.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (8)

1. the environment regulating device of low temperature test room, include: compressor, condenser, first throttle assembly and evaporimeter, described compressor, condenser, first throttle assembly and evaporimeter are in turn connected to form cooling cycle system by pipeline, and refrigerant is arranged in described cooling cycle system and flows; It is characterized in that, the environment regulating device of described low temperature test room also includes the first gauge tap, and the two ends of described first gauge tap connect the exhaust outlet of compressor and the flow export of first throttle assembly respectively by pipeline; Described evaporimeter is separated into evaporator unit more than two, is also provided with evaporimeter throttle part between adjacent vaporizers unit.
2. the environment regulating device of low temperature test room according to claim 1, is characterized in that, described evaporimeter throttle part includes the second orifice union and controls the second gauge tap of refrigerant break-make in the second orifice union.
3. the environment regulating device of low temperature test room according to claim 2, is characterized in that, described second orifice union is connected between adjacent vaporizers unit by mode in parallel with the second gauge tap controlling refrigerant break-make in the second orifice union.
4. the environment regulating device of the low temperature test room according to claim 1 or 2 or 3, is characterized in that, described first gauge tap is the first magnetic valve.
5. the environment regulating device of low temperature test room according to claim 4, is characterized in that, described second gauge tap is the second magnetic valve.
6. the environment regulating device of low temperature test room according to claim 5, it is characterized in that, described evaporimeter is separated into the evaporator unit of two groups, namely comprise the first evaporator unit and the second evaporator unit, the second orifice union and the second magnetic valve adopt mode in parallel to be connected between the first evaporator unit and the second evaporator unit by pipeline.
7. the environment regulating device of low temperature test room according to claim 6, is characterized in that, described condenser is shell-and-tube cooler.
8. the environment regulating device of low temperature test room according to claim 6, is characterized in that, described evaporimeter is wind-cooled evaporator.
CN201420388658.XU 2014-07-14 2014-07-14 The environment regulating device of low temperature test room Expired - Fee Related CN204100635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420388658.XU CN204100635U (en) 2014-07-14 2014-07-14 The environment regulating device of low temperature test room

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420388658.XU CN204100635U (en) 2014-07-14 2014-07-14 The environment regulating device of low temperature test room

Publications (1)

Publication Number Publication Date
CN204100635U true CN204100635U (en) 2015-01-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132474A (en) * 2014-07-14 2014-11-05 珠海格力电器股份有限公司 Environment conditioning device for low-temperature laboratory
CN106642417A (en) * 2016-12-26 2017-05-10 广州华凌制冷设备有限公司 Air conditioner and low-temperature refrigeration method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104132474A (en) * 2014-07-14 2014-11-05 珠海格力电器股份有限公司 Environment conditioning device for low-temperature laboratory
CN104132474B (en) * 2014-07-14 2017-01-25 珠海格力电器股份有限公司 Environment conditioning device for low-temperature laboratory
CN106642417A (en) * 2016-12-26 2017-05-10 广州华凌制冷设备有限公司 Air conditioner and low-temperature refrigeration method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150114

Termination date: 20210714