CN205262009U - Refrigerating system and have its cooling water set - Google Patents
Refrigerating system and have its cooling water set Download PDFInfo
- Publication number
- CN205262009U CN205262009U CN201521116816.7U CN201521116816U CN205262009U CN 205262009 U CN205262009 U CN 205262009U CN 201521116816 U CN201521116816 U CN 201521116816U CN 205262009 U CN205262009 U CN 205262009U
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- refrigeration system
- electrical appliance
- heat exchange
- appliance kit
- pipeline
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Abstract
The utility model provides a refrigerating system and have its cooling water set, wherein, refrigerating system includes compressor (10), condenser (20), evaporimeter (30) and electrical apparatus box (40), and electrical apparatus box (40) set up on compressor (10), and refrigerating system still includes ejector (50), and the beam import (51) of drawing of ejector (50) communicates through the export of first pipeline with condenser (20), its characterized in that, first pipeline have heat transfer cooperation section (60), and the pipe wall of heat transfer cooperation section (60) is laminated in order to carry out the heat transfer through heat transfer cooperation section (60) to electrical apparatus box (40) with the diapire of electrical apparatus box (40) and/or lateral wall mutually. The technical scheme of the utility model can solve the problem that refrigerating system among the prior art can't thoroughly eliminate the condensation effectively.
Description
Technical field
The utility model relates to refrigeration system technical field, in particular to a kind of refrigeration system and have its handpiece Water Chilling Units.
Background technology
In the prior art, when Worm type water-cooled handpiece Water Chilling Units, at nominal condition, (GB-T18430.1-2007 vapor-compression cycle is coldWater unit) when lower work, the temperature of the electrical appliance kit bottom of compressor approaches the suction end temperature (suction temperature is about 7 DEG C) of compressor,Generally, lower than the dew-point temperature of humid air, easily there is condensation phenomenon in this temperature. When at electrical appliance kit internal wiring, above-mentioned condensationExist and can produce electrical safety hidden danger, and can cause corrosion to the metalwork of compressor. Owing to cannot pasting insulation in electrical appliance kitSponge, existing solution to the problems described above is the least significant end perforate at electrical appliance kit, drains in time condensation water, to reduce condensation waterThe harm causing. But can not thoroughly eliminate like this condensation.
Utility model content
The handpiece Water Chilling Units that main purpose of the present utility model is to provide a kind of refrigeration system and has it, to solve in prior artRefrigeration system cannot thoroughly eliminate the problem of condensation.
To achieve these goals, according to an aspect of the present utility model, provide a kind of refrigeration system, comprise compressor,Condenser, evaporimeter and electrical appliance kit, electrical appliance kit is arranged on compressor, and refrigeration system also comprises injector, the drawing of injectorBeam import is communicated with the outlet of condenser by the first pipeline, it is characterized in that, the first pipeline has heat exchange and coordinates section, heat exchangeCoordinate the tube wall of section to fit, by the heat exchange section of cooperation, electrical appliance kit is carried out to heat exchange with diapire and/or the sidewall of electrical appliance kit.
Further, heat exchange coordinates section to be coiled on the diapire of electrical appliance kit.
Further, on the diapire of electrical appliance kit, have wire connecting portion, heat exchange coordinates section around wire connecting portion setting.
Further, the first pipeline penetrates to electrical appliance kit from the sidewall of electrical appliance kit, and passes from the sidewall of electrical appliance kit, the first pipeThe part that road is positioned at electrical appliance kit forms heat exchange cooperation section.
Further, heat exchange coordinates the two ends of section to be positioned at a side of wire connecting portion.
Further, evaporimeter has oil-out, and compressor has oil return opening, injector by eductor import by second pipeRoad is communicated with oil-out, and the fluid-mixing outlet of injector is communicated with oil return opening by the 3rd pipeline.
Further, refrigeration system also comprises the valving being arranged on the second pipeline.
Further, refrigeration system also comprises the oil eliminator being arranged between compressor and condenser.
Further, refrigeration system also comprises the device for drying and filtering being arranged between condenser and evaporimeter.
According on the other hand of the present utility model, a kind of handpiece Water Chilling Units is provided, comprise refrigeration system, refrigeration system is above-mentionedRefrigeration system.
Application the technical solution of the utility model, the eductor import of injector is communicated with the outlet of condenser by the first pipeline,The first pipeline has heat exchange and coordinates section, and heat exchange coordinates the tube wall of section and diapire and/or the sidewall of electrical appliance kit to fit to join by heat exchangeThe section of closing is carried out heat exchange to electrical appliance kit. In the refrigeration system course of work, through the part high-pressure liquid refrigeration after condenser condensesAgent meeting enters into injector by the first pipeline, now, in the heat exchange cooperation section of the first pipeline, is full of high pressure liquid refrigerant,And the temperature of above-mentioned high pressure liquid refrigerant higher (higher than the temperature of electrical appliance kit). By the higher liquid state of temperature in the heat exchange section of cooperationCold-producing medium carries out heat exchange to electrical appliance kit, can improve the surface temperature of diapire and/or the sidewall of electrical appliance kit, thus make its temperature higher thanDew-point temperature, and then thoroughly avoid the generation of condensation, eliminate electrical safety hidden danger, avoid the metal erosion in electrical appliance kit.
Brief description of the drawings
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, of the present utility modelSchematic description and description is used for explaining the utility model, does not form improper restriction of the present utility model. In the accompanying drawings:
Fig. 1 shows according to the structural representation of the embodiment of refrigeration system of the present utility model;
Fig. 2 shows the partial schematic diagram of the refrigeration system of Fig. 1;
Fig. 3 shows the equivalent structure schematic diagram of the refrigeration system of Fig. 1; And
Fig. 4 shows the structural representation of the injector of the refrigeration system of Fig. 1.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, compressor; 11, oil return opening; 20, condenser; 30, evaporimeter; 31, oil-out; 40, electrical appliance kit; 41, connectLine portion; 50, injector; 51, eductor import; 52, by eductor import; 53, fluid-mixing outlet; 54, jet pipe;55, mixing chamber; 56, diffuser pipe; 60, heat exchange coordinates section; 70, valving; 80, oil eliminator; 90, dry filterDevice; 100, electric expansion valve; A, driving fluid; B, driven fluid; C, fluid-mixing.
Detailed description of the invention
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1 to Figure 3, the refrigeration system of the present embodiment comprises compressor 10, condenser 20, evaporimeter 30, electrical appliance kit40 and injector 50. Wherein, electrical appliance kit 40 is arranged on compressor 10, and the eductor import of injector 50 51 is by theOne pipeline is communicated with the outlet of condenser 20. The first pipeline has heat exchange and coordinates section 60, and heat exchange coordinates tube wall and the electrical equipment of section 60The diapire of box 40 fits to carry out heat exchange by 60 pairs of electrical appliance kits of the heat exchange section of cooperation 40.
The refrigeration system of application the present embodiment, the eductor import 51 of injector 50 is by the outlet of the first pipeline and condenser 20Be communicated with, the first pipeline has heat exchange and coordinates section 60, and heat exchange coordinates the tube wall of section 60 and diapire and/or the sidewall of electrical appliance kit 40 to be affixedClose to carry out heat exchange by 60 pairs of electrical appliance kits of the heat exchange section of cooperation 40. In the refrigeration system course of work, through condenser 20 condensationsPart high pressure liquid refrigerant afterwards can enter into injector 50 by the first pipeline, and now, the heat exchange of the first pipeline coordinatesIn section 60, be full of high pressure liquid refrigerant, and the temperature of above-mentioned high pressure liquid refrigerant higher (higher than the temperature of electrical appliance kit 40).By the liquid refrigerant that in the heat exchange section of cooperation 60, temperature is higher, electrical appliance kit 40 is carried out to heat exchange, can improve the end of electrical appliance kit 40The surface temperature of wall, thus make its temperature higher than dew-point temperature, and then thoroughly avoid the generation of condensation, eliminate electrical safety hidden danger,Avoid the metal erosion in electrical appliance kit 40.
As shown in Figure 1 to Figure 3, in the refrigeration system of the present embodiment, heat exchange coordinates section 60 to be coiled in the diapire of electrical appliance kit 40On. Because the diapire of electrical appliance kit 40 is near the inside of compressor 10, its temperature is lower, more easily produces condensation phenomenon, will changeHeat coordinates section 60 to be arranged on the diapire of electrical appliance kit 40, can prevent better the generation of condensation. In the present embodiment, heat exchangeCoordinate section 60 to be coiled on the diapire of electrical appliance kit 40, can make like this heat exchange coordinate the contacting of diapire of section 60 and electrical appliance kit 40Area strengthens, thereby increases heat exchange area, makes the effect of the surface temperature that improves diapire more remarkable. Certainly, heat exchange coordinates section60 setting position is not limited to this, in unshowned in the drawings other embodiments, heat exchange coordinate section 60 can with electrical appliance kit 40Sidewall fit, or heat exchange coordinates section 60 can all fit with the diapire of electrical appliance kit 40 and sidewall.
As shown in Figure 1 to Figure 3, in the refrigeration system of the present embodiment, on the diapire of electrical appliance kit 40, there is wire connecting portion 41. Heat exchangeCoordinate section 60 to arrange around wire connecting portion 41. Wire connecting portion 41 is binding post, and said structure can avoid heat exchange to coordinate section 60 and connectTerminal interferes.
As shown in Figure 2, in the refrigeration system of the present embodiment, the first pipeline penetrates to electrical appliance kit 40 from the sidewall of electrical appliance kit 40In, and pass from the sidewall of electrical appliance kit 40, the part that the first pipeline is positioned at electrical appliance kit 40 forms heat exchange cooperation section 60. At thisIn embodiment, heat exchange coordinates the two ends of section 60 to be positioned at a side of wire connecting portion 41. Said structure is convenient to the layout of the first pipeline more,Avoid pipeline to walk pipe too mixed and disorderly, improve overall aesthetics.
In the prior art, injector is a kind of simple and easy to use compression device, be often used in injection cooling device,On the air ejector of condenser and the water work of miniature boiler etc. As shown in Figure 4, injector 50 has eductor import 51, quiltEductor import 52 and fluid-mixing outlet 53, in addition, injector 50 also has the jet pipe 54, the mixing chamber 55 that are interconnectedWith diffuser pipe 56, eductor import 51 is communicated with jet pipe 54, is communicated with fluid-mixing by eductor import 52 with mixing chamber 55Outlet 53 is communicated with diffuser pipe 56. In the time that injector 50 is worked, (pressure is P to driving fluid A1) from eductor import 51Enter jet pipe 54, and expand and accelerate ejection, pressure decreased through jet pipe 54. (pressure is P to driven fluid B2) from by injectionBody import 52 enters. In the exit of jet pipe 54, the pressure P of driving fluid A1Be reduced to the pressure P of driven fluid B2Under, driven fluid B can be introduced to mixing chamber 55 like this. In mixing chamber 55, driving fluid A at a high speed with drawnJet body B mixes mutually, obtains a certain average speed. Then, driving fluid A and driven fluid B mix mixed flow afterwardsBody C enters diffuser pipe 56, and the supercharging of slowing down therein, makes pressure bring up to P3After from the fluid-mixing outlet 53 of injector 50Discharge.
In said process, conventionally adopt mass ratio of induced-to-inducing air to characterize the service behaviour of injector 50. In injector 50, injectionThe speed that fluid A penetrates from jet pipe 54 is higher, just more by the fluid section of injection in driven fluid B. Mass ratio of induced-to-inducing airTo be represented by the ratio of the quality of the quality of the fluid section of injection and driving fluid A in driven fluid B. Need to illustrateBe, driving fluid A can be highly pressurised liquid, can be also gases at high pressure. In the present embodiment, driving fluid A is condenserHighly pressurised liquid after 20 condensations.
As shown in figures 1 and 3, in the refrigeration system of the present embodiment, evaporimeter 30 has oil-out 31, compressor 10 toolsThere is oil return opening 11. Being communicated with oil-out 31 by the second pipeline by eductor import 52 of injector 50, injector 50 mixedClosing fluid issuing 53 is communicated with oil return opening 11 by the 3rd pipeline. In the refrigeration system course of work, through condenser 20 condensationsThe heat exchange that the higher high pressure liquid refrigerant (temperature is about 34 DEG C of left and right) of temperature afterwards enters the first pipeline coordinates in section 60,And the diapire coiling of pasting electrical appliance kit 40 by the heat exchange section of cooperation 60, form the heat exchange zone of influence, offset the suction end of compressorCryogenic heat transfer, improve the surface temperature of diapire of electrical appliance kit 40. After this, the high pressure liquid refrigerant in the first pipeline is doneFor driving fluid A enters injector 50 by eductor import 51, and the mixing material in rich oil district to evaporimeter 30 drawsPenetrate oil return. Particularly, high pressure liquid refrigerant accelerates to form low-pressure area in the interior step-down of jet pipe 54 as driving fluid A, low at thisUnder the impact of nip, can introduce the mixing material in the rich oil district of evaporimeter 30 (full-liquid type compressor) by oil-out 31, onStating mixing material comprises liquid refrigerant and is mixed in the lubricating oil in liquid refrigerant. Above-mentioned mixing material is as driven fluid BBe introduced in mixing chamber 55, and draw and be back to pressure from fluid-mixing outlet 53, oil return opening 11 after mixing with driving fluid AIn contracting machine 10. In said process, because playing certain throttling to the high pressure liquid refrigerant in the first pipeline, jet pipe 54 doesWith, the flow velocity of the high pressure liquid refrigerant that can make like this to slow down, strengthens heat exchange and coordinates between section 60 and the diapire of electrical appliance kit 40Heat transfer effect, improve heat exchange efficiency, and the thermal resistance efficiency of electrical appliance kit 40 and compressor 10 further improves electrical appliance kit 40The surface temperature of diapire, makes its temperature higher than dew-point temperature, thereby thoroughly avoids the generation of condensation. Above-mentioned heat exchange coordinates in section 60The flow of high pressure liquid refrigerant can specifically regulate according to aspects such as compressor 10 discharge capacities.
As shown in figures 1 and 3, in the refrigeration system of the present embodiment, refrigeration system also comprises the valve being arranged on the second pipelineDoor gear 70. The oil-out 31 that above-mentioned valving 70 can be controlled evaporimeter 30 and injector 50 by eductor import 52Between the break-make of pipeline.
As shown in figures 1 and 3, in the refrigeration system of the present embodiment, refrigeration system also comprises and is arranged on compressor 10 and condensationOil eliminator 80 between device 20, be arranged on the device for drying and filtering 90 between condenser 20 and evaporimeter 30 and be arranged on instituteState electric expansion valve 100 between device for drying and filtering 90 and evaporimeter 30. Above-mentioned oil eliminator 80 can be isolated compressor 10 and arrangeFluid in the gaseous refrigerant going out, and this fluid is transmitted back to compressor 10, can ensure like this refrigeration of whole system.Above-mentioned device for drying and filtering 90 can play the effect of impurity screening. Above-mentioned electric expansion valve 100 enters the cold-producing medium in system pipelineRow reducing pressure by regulating flow, to ensure that cold-producing medium can successfully evaporate in evaporimeter 30.
The application also provides a kind of handpiece Water Chilling Units, comprises refrigeration system according to the embodiment of the application's handpiece Water Chilling Units, refrigeration systemSystem is above-mentioned refrigeration system. The electrical appliance kit of above-mentioned handpiece Water Chilling Units can not produce condensation, thereby reduces electrical safety hidden danger, usesPerformance is guaranteed.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for this areaTechnical staff, the utility model can have various modifications and variations. All within spirit of the present utility model and principle, instituteDo any amendment, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a refrigeration system, comprises compressor (10), condenser (20), evaporimeter (30) and electrical appliance kit (40), described inIt is upper that electrical appliance kit (40) is arranged on described compressor (10), and described refrigeration system also comprises injector (50), described injectionThe eductor import (51) of device (50) is communicated with the outlet of described condenser (20) by the first pipeline, and its feature existsIn, described the first pipeline has heat exchange and coordinates section (60), and described heat exchange coordinates tube wall and the described electrical appliance kit (40) of section (60)Diapire and/or sidewall fit to coordinate section (60) to carry out heat exchange to described electrical appliance kit (40) by described heat exchange.
2. refrigeration system according to claim 1, is characterized in that, described heat exchange coordinates section (60) to be coiled in described electrical equipmentOn the diapire of box (40).
3. refrigeration system according to claim 2, is characterized in that, on the diapire of described electrical appliance kit (40), has wire connecting portion(41), described heat exchange coordinates section (60) to arrange around described wire connecting portion (41).
4. refrigeration system according to claim 3, is characterized in that, described the first pipeline is from the side of described electrical appliance kit (40)Wall penetrates to described electrical appliance kit (40), and passes from the sidewall of described electrical appliance kit (40), and described the first pipeline is positioned atPart in described electrical appliance kit (40) forms described heat exchange and coordinates section (60).
5. refrigeration system according to claim 4, is characterized in that, described in the two ends of described heat exchange cooperation section (60) are positioned atOne side of wire connecting portion (41).
6. according to the refrigeration system described in any one in claim 1 to 5, it is characterized in that, described evaporimeter (30) hasHydraulic fluid port (31), described compressor (10) has oil return opening (11), described injector (50) by eductor import (52)Be communicated with described oil-out (31) by the second pipeline, the fluid-mixing outlet (53) of described injector (50) is passed throughThe 3rd pipeline is communicated with described oil return opening (11).
7. refrigeration system according to claim 6, is characterized in that, described refrigeration system also comprises that being arranged on described second managesValving (70) on road.
8. according to the refrigeration system described in any one in claim 1 to 5, it is characterized in that, described refrigeration system also comprises settingOil eliminator (80) between described compressor (10) and described condenser (20).
9. according to the refrigeration system described in any one in claim 1 to 5, it is characterized in that, described refrigeration system also comprises settingDevice for drying and filtering (90) between described condenser (20) and described evaporimeter (30).
10. a handpiece Water Chilling Units, comprises refrigeration system, it is characterized in that, described refrigeration system is any one in claim 1 to 9Described refrigeration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116816.7U CN205262009U (en) | 2015-12-25 | 2015-12-25 | Refrigerating system and have its cooling water set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116816.7U CN205262009U (en) | 2015-12-25 | 2015-12-25 | Refrigerating system and have its cooling water set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205262009U true CN205262009U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521116816.7U Withdrawn - After Issue CN205262009U (en) | 2015-12-25 | 2015-12-25 | Refrigerating system and have its cooling water set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205262009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402965A (en) * | 2015-12-25 | 2016-03-16 | 珠海格力电器股份有限公司 | Refrigerating system and water chilling unit with refrigerating system |
-
2015
- 2015-12-25 CN CN201521116816.7U patent/CN205262009U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402965A (en) * | 2015-12-25 | 2016-03-16 | 珠海格力电器股份有限公司 | Refrigerating system and water chilling unit with refrigerating system |
| CN105402965B (en) * | 2015-12-25 | 2019-03-05 | 珠海格力电器股份有限公司 | Refrigeration system and water cooler with it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20190305 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20190305 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |