CN2784834Y - Cold media circulating system of flooded water chilling unit - Google Patents
Cold media circulating system of flooded water chilling unit Download PDFInfo
- Publication number
- CN2784834Y CN2784834Y CN 200520011123 CN200520011123U CN2784834Y CN 2784834 Y CN2784834 Y CN 2784834Y CN 200520011123 CN200520011123 CN 200520011123 CN 200520011123 U CN200520011123 U CN 200520011123U CN 2784834 Y CN2784834 Y CN 2784834Y
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- China
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- compressor
- circulating system
- condenser
- evaporimeter
- cold media
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Abstract
The utility model relates to an improvement for the cold media circulating system of a flooded water chilling unit and aims at providing the improvement for the cold media circulating system of the flooded water chilling unit. The improvement for the cold media circulating system of a flooded water chilling unit can properly and accurately drive the electronic formula expansion action to control the proper flow quantity of cold media and cause a compressor to be kept in the state of the high efficiency under the condition of being fully loaded or partly loaded to greatly save the electricity expense of the operation of the compressor. The improved cold media circulating system of a flooded water chilling unit comprises the compressor 1, a pipe line 2, an oil separator 3, a condenser 4, an electronic formula expansion valve 5, an evaporator 6 and a controller 9 and is characterized in that the pipe line for connecting the condenser 4 and the evaporator 6 on the pipe line of the system is provided with the electronic formula expansion valve 5, and the condenser 4 and the evaporator 6 are respectively provided with pressure sensors 42, 62. A temperature sensor 11 is arranged on the position of the vomiting outlet of the compressor 1.
Description
Technical field
The utility model system is relevant for a kind of improvement of full-liquid type water-icing unit coolant circulating system, tie up on the condenser of frozen water unit and the evaporimeter and respectively be provided with a pressure sensor respectively, be provided with a temperature-sensitive sticker at the discharge opening place of compressor in addition, be provided with by this improvement, can make controller according to the pressure that pressure sensor sensed that is arranged on condenser and evaporimeter, calculate the desired temperature of compressor discharge opening, when if compressor discharge opening temperature value is lower than the desired temperature of compressor discharge opening, then controller will drive the electronic expansion valve action, to reduce the refrigerant circulation, otherwise, when if the temperature value of compressor discharge opening is higher than compressor discharge opening desired temperature, then controller will drive the electronic expansion valve action, to improve the refrigerant circulation.To keep the steady running of full-liquid type water-icing unit.
Background technology
At present employed full-liquid type water-icing unit coolant circulating system, its structure as shown in Figure 1 and Figure 2, be respectively in condenser 4 or evaporimeter 6, to be provided with a high pressure float switch 41 and low pressure float switch 61, utilize this float switch 41,61 to control the circulation of refrigerant, high pressure liquid level coolant throttle control system for example shown in Figure 1, when 63 risings of refrigerant liquid level surpassed the preset height of float switch 41, float switch 41 will sense, and makes then in the refrigerant inflow evaporator 6; And low pressure liquid level coolant throttle control system shown in Figure 2, then be when the refrigerant liquid level is reduced to the preset height of float switch 61 for 63 times, float switch 61 will sense, make then in the refrigerant inflow evaporator 6 in the condenser 4, though above-mentioned two kinds of control modes can both reach the circulation in the control refrigerant inflow evaporator 6, in control, still fail to reach real accurate usefulness; Edge is, how can design a perfect full-liquid type water-icing unit coolant circulating system, and accomplishing can be accurate in good time; Driving electronic expansion valve action enters circulation in the flooded evaporator to improve or to reduce refrigerant, is the most urgent demand of dealer in fact.
Summary of the invention
Main purpose of the present utility model, aim to provide a kind of improvement of full-liquid type water-icing unit coolant circulating system, can drive electronic type expansion action in good time accurately and control suitable cold medium flux, though make compressor complete carry or partly load can both remain on the high efficiency state, significantly save the compressor operation electricity charge.
A kind of full-liquid type water-icing unit coolant circulating system, comprise: compressor 1, pipeline 2, oil eliminator 3, condenser 4, electronic expansion valve 5 and evaporimeter 6, controller 9, it is characterized in that: on system pipeline, the pipeline that connects 6 in condenser 4 and evaporimeter is provided with electronic expansion valve 5, and on condenser 4 and evaporimeter 6, respectively be provided with pressure sensor 42,62 respectively, be provided with a temperature-sensitive sticker 11 at the discharge opening place of compressor 1 in addition.
The beneficial effects of the utility model are: respectively be provided with a pressure sensor on condenser and flooded evaporator respectively, be provided with a temperature-sensitive sticker in addition in the exit of compressor, arrange in pairs or groups simultaneously and in evaporimeter, being provided with in one the be cooled heat-exchange tube row member of fluid of circulation, utilize the heat-exchange tube row member setting in this evaporimeter, can make the interior refrigerant of evaporimeter when being inhaled in compressor, the unevaporated liquid cooling matchmaker of little part can touch the heat-exchange tube row of high temperature earlier and evaporation is transformed into gaseous state, avoid liquid refrigerants to enter in the compressor and the damage compressor, and by the pressure sensor of condenser and evaporimeter and temperature-sensitive sticker setting at the discharge opening place of compressor, can make controller according to the force value that pressure sensor sensed that is arranged on condenser and evaporimeter, calculating the temperature value of compressor discharge opening sets, when if the temperature value of compressor discharge opening is lower than the desired temperature of compressor discharge opening, then controller will drive the electronic expansion valve action, to reduce the refrigerant circulation, otherwise, when if the temperature value of compressor discharge opening is higher than the desired temperature of compressor discharge opening, then controller will drive the electronic type expansion and ask action, to improve refrigerant circulation person, can accurately control cold medium flux like this, no matter make compressor carry or fractional load can both remain on the high efficiency state, significantly save the compressor operation electricity charge complete.
Description of drawings
Fig. 1 is the high pressure liquid level coolant throttle control system figure that commonly uses full-liquid type water-icing unit coolant circulating system.
Fig. 2 is the low pressure liquid level coolant throttle control system figure that commonly uses full-liquid type water-icing unit coolant circulating system.
Fig. 3 is the utility model full-liquid type water-icing unit coolant circulating system figure.
Fig. 4 is the heat-exchange tube row organigram of the utility model in evaporimeter.
Fig. 5 analyses and observe organigram for the utility model heat-exchange tube row.
Fig. 6 is few schematic diagram when partly not evaporating liquid refrigerants and upwards running into the gasification of the exclusive edge of heat-exchange tube surface.
1 compressor, 2 pipelines
3 oil eliminators, 4 condensers
5 electronic expansion valves, 6 evaporimeters
41 high pressure float switches, 61 low pressure float switches
63 liquid cooling matchmakers, 42,62 pressure sensors
11 temperature-sensitive stickers, 81 pipe rows
82 be cooled fluid 8 heat-exchange tubes rows
9 controllers
The specific embodiment
See also shown in Figure 3, full-liquid type water-icing unit coolant circulating system of the present utility model is to include: compressor 1, pipeline 2, oil eliminator 3, condenser 4, electronic expansion valve 5 and evaporimeter 6, controller 9 members such as grade, and principal character of the present utility model is respectively to be provided with a pressure sensor 42 respectively on condenser 4 and evaporimeter 6,62, be provided with a temperature-sensitive sticker 11 at the discharge opening place of compressor 1 in addition, simultaneously a heat-exchange tube is set in evaporimeter 6 and arranges 8 members, this pipe row is not limited to illustrated row's number, arrangement mode and quantity, this heat-exchange tube is arranged and is included a pipe row 81 in 8 members, and circulation is cooled fluid 82 (as Fig. 4 in this pipe row 81, shown in Figure 5), again, on Fig. 3, can see that electronic expansion valve 5 is arranged on the pipeline 2 that connects between condenser 4 and the evaporimeter 6, and condenser 4, pressure sensor 42 on the evaporimeter 6,62, and temperature-sensitive sticker 11 members such as grade at compressor 1 discharge opening place, all be articulated with controller 9, so this controller 9 can be according to being arranged on the pressure sensor 42 of condenser 4 with evaporimeter 6,62 pressure that sensed, calculate the desired temperature in compressor 1 exit, when if the temperature value of the temperature-sensitive sticker 11 of compressor 1 discharge opening is lower than compressor 1 discharge opening desired temperature, then controller 9 will drive electronic expansion valve 5 actions to reduce the refrigerant circulation, otherwise, when if the temperature sensing value of compressor 1 discharge opening is higher than the desired temperature of compressor 1 outlet, then controller 9 will drive electronic expansion valve 5 actions, to improve the refrigerant circulation, make the circulation in the refrigerant inflow evaporator 6, can be entirely true errorless.Again, the utility model when implementing except in evaporimeter, 6 being provided with the pressure sensor 62, also in evaporimeter, be provided with a heat-exchange tube as above-mentioned person simultaneously and arrange 8 members, this heat-exchange tube is arranged the pipe row 81 on 8 members, there is the fluid 82 that is cooled that circulates its inside, this member can make refrigerant 63 (as shown in Figure 6) in the evaporimeter 6 after being provided with before being inhaled in compressor 1, the heat-exchange tube that few partly unevaporated liquid cooling medium liquid 63 can touch high temperature is earlier arranged pipe on 8 members and is arranged 81 outer fringe surfaces and make few part liquid cooling medium liquid 63 be evaporated in moment being transformed into gaseous coolant, the damage compressor to avoid liquid refrigerants to enter in the compressor 1.
In sum, knowing that this case is to have above-described good characteristic, be able on manipulating, promote and to commonly use the usefulness that is not had, and give practicality, really is one to have the coolant circulating system designer of the full-liquid type water-icing unit of practical value.
Claims (3)
1. full-liquid type water-icing unit coolant circulating system, comprise: compressor [1], pipeline [2], oil eliminator [3], condenser [4], electronic expansion valve [5] and evaporimeter [6], controller [9], it is characterized in that: on system pipeline, the pipeline that connects between condenser [4] and evaporimeter [6] is provided with electronic expansion valve [5], and on condenser [4] and evaporimeter [6], respectively be provided with pressure sensor [42] [62] respectively, be provided with a temperature-sensitive sticker [11] at the discharge opening place of compressor [1] in addition.
2. full-liquid type water-icing unit coolant circulating system as claimed in claim 1, it is characterized in that: electronic expansion valve [5] and the pressure sensor [42] [62] that is arranged on condenser [4], evaporimeter [6], and the temperature-sensitive sticker [11] at compressor [1] discharge opening place, all be articulated with controller [9].
3. full-liquid type water-icing unit coolant circulating system as claimed in claim 1 is characterized in that: be provided with heat-exchange tube row [8] in the evaporimeter [6], and the pipe row [81] on this heat-exchange tube row [8], there is the fluid that is cooled that circulates its inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011123 CN2784834Y (en) | 2005-03-29 | 2005-03-29 | Cold media circulating system of flooded water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011123 CN2784834Y (en) | 2005-03-29 | 2005-03-29 | Cold media circulating system of flooded water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2784834Y true CN2784834Y (en) | 2006-05-31 |
Family
ID=36771807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520011123 Expired - Lifetime CN2784834Y (en) | 2005-03-29 | 2005-03-29 | Cold media circulating system of flooded water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2784834Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289681A (en) * | 2017-06-23 | 2017-10-24 | 麦克维尔空调制冷(武汉)有限公司 | A kind of handpiece Water Chilling Units control method of refrigerant flow |
-
2005
- 2005-03-29 CN CN 200520011123 patent/CN2784834Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289681A (en) * | 2017-06-23 | 2017-10-24 | 麦克维尔空调制冷(武汉)有限公司 | A kind of handpiece Water Chilling Units control method of refrigerant flow |
| CN107289681B (en) * | 2017-06-23 | 2019-11-08 | 麦克维尔空调制冷(武汉)有限公司 | A kind of water cooler control method of refrigerant flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150329 Granted publication date: 20060531 |