CN206755642U - A kind of double loop handpiece Water Chilling Units and dual temperature cooling system - Google Patents
A kind of double loop handpiece Water Chilling Units and dual temperature cooling system Download PDFInfo
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- CN206755642U CN206755642U CN201720430896.6U CN201720430896U CN206755642U CN 206755642 U CN206755642 U CN 206755642U CN 201720430896 U CN201720430896 U CN 201720430896U CN 206755642 U CN206755642 U CN 206755642U
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Abstract
The utility model discloses a kind of double loop handpiece Water Chilling Units and dual temperature cooling system, for equipment cooling, including water tank and by pipeline by compressor, evaporator, condenser, the compression refrigeration cycle that choke valve connects, water tank is divided into main water box and deputy tank, evaporator is located in main water box, main water box is circumscribed with low temperature water circulation supply circuit, deputy tank is circumscribed with high temperature water circulation supply circuit, the temperature-compensating pipeline for leading to deputy tank is connected on the outlet pipeline of low temperature water circulation supply circuit, temperature sensor is provided with deputy tank, temperature-compensating pipeline is provided with the control valve being connected with temperature sensor signal.Water tank is divided into main water box and deputy tank by the utility model, two circulating water loops are connected in two water tanks respectively, and temperature sensor is set in deputy tank, control valve is controlled to open when deputy tank temperature is too high, the output water of low temperature is inputted by temperature-compensating pipeline to be cooled down into deputy tank to high temperature circulation water.
Description
Technical field
Refrigerating field is the utility model is related to, more particularly to a kind of double loop handpiece Water Chilling Units and dual temperature cooling system.
Background technology
Water-cooled cooling water machine is to utilize the principle for compressing refrigeration to circulating water cooling, and makes the low-temperature circulating water and sky of output
Adjust unit or carry out the mode of heat exchange with cold terminal come work.Sometimes there are two user terminals in some scenarios,
Need to provide two kinds of discrepant recirculated waters of temperature, otherwise existing way is to configure two sets of units to meet needs, but should
The equipment cost that method needs is higher；It is using the scheme disclosed in CN 201463385U, is returned in low-temperature circuit and high temperature
Set scale integrates triple valve between road so that the backwater of the relative low temperature in low-temperature circuit can directly enter high-temperature circuit
In, but which is difficult to temperature and accurately controlled, the temperature of the demand of high temperature user terminal is not readily available guarantor
Barrier.
Utility model content
In order to solve the above problems, the purpose of this utility model is to provide a kind of double loop handpiece Water Chilling Units, is advantageous to protect
Hinder the demand cold of high temperature user terminal.
Technical scheme is used by the utility model：
A kind of double loop handpiece Water Chilling Units, including water tank and by pipeline by compressor, evaporator, condenser, choke valve
The compression refrigeration cycle connected, the water tank are divided into main water box and deputy tank, and evaporator is located in main water box,
Main water box is circumscribed with low temperature water circulation supply circuit, and deputy tank is circumscribed with high temperature water circulation supply circuit, the supply of low temperature water circulation
The temperature-compensating pipeline for leading to deputy tank is connected on the outlet pipeline in loop, temperature sensor, temperature-compensating are provided with deputy tank
Pipeline is provided with the control valve being connected with temperature sensor signal.
As further improvement of the utility model, water at low temperature is connected on the outlet pipeline of low temperature water circulation supply circuit
Pump, temperature-compensating pipeline are connected on the export pipeline of low temperature water pump.
As further improvement of the utility model, the compression refrigeration cycle is provided with pressure maintenance valve, described
Pressure maintenance valve is located on the export pipeline of compressor and pressure maintenance valve is communicated with the interface of suction port of compressor pipeline.
As further improvement of the utility model, the main water box is additionally provided with filling pipe, and filling pipe is provided with filter.
As further improvement of the utility model, the pipeline and high temperature water circulation of the low temperature water circulation supply circuit supply
Pipeline outer wall to loop is coated with heat-insulation layer.
As further improvement of the utility model, the compression refrigeration cycle is recycled back to for two-stage compression refrigeration
Road.
As further improvement of the utility model, the choke valve includes first throttle valve and second throttle, described
Compressor includes low pressure compressor and high pressure compressor, low pressure compressor, high pressure compressor, condenser, first throttle valve, second
Choke valve, evaporator are sequentially communicated by pipeline so as to form two-stage compression refrigeration circulation loop.
As further improvement of the utility model, the two-stage compression refrigeration circulation loop also includes cooling during rolling and filled
Put, the intercooler unit has low-pressure inlet, low tension outlet, high pressure entry and high-pressure outlet, and low-pressure inlet leads to low pressure
Compressor, low tension outlet lead to high pressure compressor, and high pressure entry leads to first throttle valve, and high-pressure outlet leads to second throttle.
As further improvement of the utility model, the intercooler unit includes heat exchanger and stainless steel, high pressure
Outlet and high pressure entry are located on heat exchanger, and low-pressure inlet and low tension outlet are located in stainless steel, heat exchanger and stainless steel
Connected by pipeline.
The utility model also provides a kind of dual temperature cooling system, and its technical scheme used is：
A kind of dual temperature cooling system, include the user terminal of two kinds of different temperatures of demand, and above-mentioned double loop cold water
Unit, the relatively low user terminal of low temperature water circulation supply circuit connection requirement temperature, high temperature water circulation supply circuit connection requirement
The higher user terminal of temperature.
The beneficial effects of the utility model are：Water tank is divided into main water box and deputy tank by the utility model, in two water tanks
Two circulation loops are connected respectively, and temperature sensor is set in deputy tank, and control valve is controlled when deputy tank temperature is too high
Open, the output water of low temperature is inputted by temperature-compensating pipeline to be cooled down into deputy tank to high temperature circulation water, until secondary water
The water body of case reaches suitable value range.
Brief description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of handpiece Water Chilling Units first embodiment；
Fig. 2 is the schematic diagram of handpiece Water Chilling Units second embodiment；
Fig. 3 is the schematic diagram of handpiece Water Chilling Units 3rd embodiment.
Embodiment
Double loop handpiece Water Chilling Units as shown in Figure 1 to Figure 3, including water tank and compression refrigeration cycle.Compression refrigeration
Circulation loop at least has compressor, evaporator 1, condenser 2, choke valve and the pipeline for connecting these parts, pressure
Contracting refrigeration cycle belongs to the conventional techniques of this area, is not described here in detail.
Water tank is separated into main water box 3 and deputy tank 4 by one piece of vertical dividing plate.Above-mentioned evaporator 1 is located at main water box 3
It is interior, the recirculated water in main water box 3 can be freezed.Main water box 3 is circumscribed with low temperature water circulation supply circuit, due to as low-temperature receiver
Evaporator 1 is located in main water box 3, and it is relatively low that the water at low temperature after refrigeration by low temperature water circulation supply circuit is delivered to demand temperature
User terminal, main water box 3 is back to after then absorbing heat, is cooled again by evaporator 1.
Above-mentioned deputy tank 4 is circumscribed with high temperature water circulation supply circuit, and the higher user terminal of demand temperature is by deputy tank 4
In the higher recirculated water of temperature carry out cooling.Water body in deputy tank 4 due to continuous heat absorption and temperature can be raised constantly, be
Its relatively low water temperature is kept, embodiment is cooled by temperature-compensating pipeline 5 to the water body in deputy tank 4.
Described temperature-compensating pipeline 5 has arrival end and output end, its arrival end connection low temperature water circulation supply circuit
Outlet pipeline, its port of export connection deputy tank 4 simultaneously lead to the inner chamber of deputy tank 4, be additionally provided with temperature sensor in deputy tank 4
19, temperature-compensating pipeline 5 is provided with the control valve 6 being connected with the signal of temperature sensor 19.
Thus, evaporator 1 constantly cools to the water body of main water box 3, treats that the temperature sensor 19 of deputy tank 4 detects water temperature
After setting value, instruction control control valve 6 is sent by host computer and opened, in the middle part of the outlet pipeline of low temperature water circulation supply circuit
The water at low temperature divided is delivered to the water mixing in deputy tank 4 with deputy tank 4 by temperature-compensating pipeline 5, so as in deputy tank 4
Water body（High temperature circulation water）Cooled.The process of said temperature compensation is until temperature sensor 19 detects deputy tank 4
Water reaches another setting value.
During temperature-compensating, the water level of deputy tank 4 can be raised constantly, therefore, position higher on dividing plate can be with
A spout hole 20 is opened up, main water box 3 can be automatically flowed into when the water level of deputy tank 4 reaches spout hole 20.
Above-mentioned control valve 6 can be magnetic valve；Temperature sensor 21 also is provided with above-mentioned main water box 3, according to main water
The refrigerating capacity of refrigeration cycle is entirely compressed in the water temperature control of case 3.
Because the part that the water temperature in deputy tank 4 is the low-temperature circulating water exported by main water box 3 is cooled, simultaneously
Ensure that, as the demand for needing cold more sufficient user terminal, the volume of above-mentioned main water box 3 is more than the volume of deputy tank 4, typically
For more than twice.
It is further preferred that low temperature water pump 7, temperature-compensating pipeline are connected on the outlet pipeline of low temperature water circulation supply circuit
5 are connected on the export pipeline of low temperature water pump 7, and the water return pipeline of low temperature water circulation supply circuit is additionally provided with water flow switch 22.High temperature
High-temperature water pump 23 is also connected on the outlet pipeline of water circulation supply circuit simultaneously.
It is further preferred that main water box 3 is additionally provided with and filling pipe (not shown), for whole handpiece Water Chilling Units replenishment cycles
Water, filling pipe are provided with filter, and preliminary or depth filtering is carried out to the recirculated water entered in unit, avoid incrustation or
Impurity is on influence caused by each part of unit.
It is further preferred that the pipeline of low temperature water circulation supply circuit and the pipeline outer wall of high temperature water circulation supply circuit are equal
It is coated with and heat-insulation layer (not shown), loss of the cold in pipeline is reduced, so as to save the energy to a certain extent.
In first embodiment shown in Fig. 1, compressor, choke valve only have separate unit, single, such as the compressor 24 in Fig. 1
With choke valve 25, it is single-stage refrigeration loop thus to compress refrigeration cycle, and handpiece Water Chilling Units disclosure satisfy that general air-conditioner set, use
The demand of family terminal.
In second embodiment and 3rd embodiment as shown in Figures 2 and 3, compression refrigeration cycle is Two-stage Compression
Refrigeration cycle, the demand of deep refrigerating can be applied to.
In two-stage compression refrigeration circulation loop, choke valve has two, including first throttle valve 9 and second throttle 10,
Compressor has two, including low pressure compressor 11 and high pressure compressor 12.Low pressure compressor 11, high pressure compressor 12, condenser
2nd, first throttle valve 9, second throttle 10, evaporator 1 are sequentially communicated by pipeline is recycled back to so as to form two-stage compression refrigeration
Road.
With reference to figure 2, two-stage compression refrigeration circulation loop also includes intercooler unit, and intercooler unit is a centre
Cooler 26, it has low-pressure inlet 13, low tension outlet 14, high pressure entry 15 and high-pressure outlet 16, and low-pressure inlet 13 leads to low
Compressor 11 is pressed, low tension outlet 14 leads to high pressure compressor 12, and high pressure entry 15 leads to first throttle valve 9, and high-pressure outlet 16 is logical
To second throttle 10.
During work, the steam of evaporator 1 is sucked by low pressure compressor 11, is compressed to intermediate pressure and by low-pressure inlet 13
Into intercooler, the dry saturated steam come out with intercooler 26 is mixed and exported from low tension outlet 14；High pressure afterwards
Compressor 12 sucks mixed gas, compressed to entering condenser 2 after condensing pressure；Condensed high pressure refrigerant liquid is passed through
Cooled down again from high pressure entry 15 into intercooler 26 after first throttle valve 9；Exported afterwards from high-pressure outlet 16 through
Two choke valves 10 enter the heat absorption evaporation of evaporator 1.
With reference to the 3rd embodiment of figure 3, the construction of intercooler unit is with the difference of second embodiment.3rd
In embodiment, intercooler unit includes heat exchanger 17 and stainless steel 18, heat exchanger 17 can be plate type heat exchanger 17 or
Other kinds of heat exchanger 17.High-pressure outlet 16 and high pressure entry 15 are located on heat exchanger 17, low-pressure inlet 13 and low tension outlet
14 in stainless steel 18, and heat exchanger 17 is connected with stainless steel 18 by pipeline.
In the embodiment, before stainless steel 18 is arranged at high pressure compressor 12, by the use of heat exchanger 17 as intercooler, from
The gas that heat exchanger 17 and low pressure compressor 11 are discharged can mix in stainless steel 18 to be sucked by high pressure compressor 12 again, is protected
Gas is demonstrate,proved（Refrigerant）In the stainless steel 18, it is interior well mixed in pipeline.
On the basis of above example, compress and be additionally provided with pressure maintenance valve 8 on refrigeration cycle.As shown in figure 1, pressure
Power maintenance valve 8 is located on the export pipeline of compressor 24 and pressure maintenance valve 8 is communicated with the interface of suction port of compressor pipeline.When
After compressor 24 is started shooting, can enough height pressure differences of resume in a short time, reach compressor minimum safe fuel feeding differential pressure requirements,
Ensure that compressor will not produce catastrophe failure because mistake oil or fuel feeding are bad, reach the mesh for the reliability for improving machine set system
's.
As shown in Figures 2 and 3, in second embodiment and 3rd embodiment, pressure maintenance valve 8 is arranged at low pressure compressor
On 11 export pipeline, and the entrance pipe of the orifice low pressure compressor 11 of pressure maintenance valve 8.Certainly, high pressure compressor
12 correspondence position can also set corresponding pressure maintenance valve 8, to reach identical effect.
Above-described handpiece Water Chilling Units can be used in dual temperature cooling system, and the dual temperature cooling system includes two user's ends
Hold, each two kinds of different temperature of user terminal demand, the low temperature water circulation supply circuit in above-mentioned double loop handpiece Water Chilling Units
The relatively low user terminal of connection requirement temperature, the higher user terminal of high temperature water circulation supply circuit connection requirement temperature.It is above-mentioned
User terminal can be the equipment such as air-conditioning.
Simply the utility model preferred embodiment described above, it is not formed to scope of protection of the utility model
Limitation.
Claims (10)
1. a kind of double loop handpiece Water Chilling Units, including water tank and by pipeline by compressor, evaporator (1), condenser (2), section
The compression refrigeration cycle that stream valve connects, it is characterised in that：The water tank is divided into main water box (3) and deputy tank
(4), evaporator (1) is located in main water box (3), and main water box (3) is circumscribed with low temperature water circulation supply circuit, and deputy tank (4) is external
There is high temperature water circulation supply circuit, the temperature benefit for leading to deputy tank (4) is connected on the outlet pipeline of low temperature water circulation supply circuit
Pipeline (5) is repaid, temperature sensor is provided with deputy tank (4), temperature-compensating pipeline (5) is provided with to be connected with temperature sensor signal
Control valve (6).
2. double loop handpiece Water Chilling Units according to claim 1, it is characterised in that：The outlet pipe of low temperature water circulation supply circuit
Low temperature water pump (7) is connected on road, temperature-compensating pipeline (5) is connected on the export pipeline of low temperature water pump (7).
3. double loop handpiece Water Chilling Units according to claim 1, it is characterised in that：The compression refrigeration cycle is provided with
Pressure maintenance valve (8), the pressure maintenance valve (8) is located on the export pipeline of compressor and pressure maintenance valve (8) is communicated with
The interface of suction port of compressor pipeline.
4. double loop handpiece Water Chilling Units according to claim 1, it is characterised in that：The main water box (3) is additionally provided with filling pipe,
Filling pipe is provided with filter.
5. double loop handpiece Water Chilling Units according to claim 1, it is characterised in that：The pipe of the low temperature water circulation supply circuit
The pipeline outer wall of road and high temperature water circulation supply circuit is coated with heat-insulation layer.
6. according to the double loop handpiece Water Chilling Units described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that：The compression refrigeration is followed
Loop back path is two-stage compression refrigeration circulation loop.
7. double loop handpiece Water Chilling Units according to claim 6, it is characterised in that：The choke valve includes first throttle valve
(9) and second throttle (10), the compressor include low pressure compressor (11) and high pressure compressor (12), low pressure compressor
(11), high pressure compressor (12), condenser (2), first throttle valve (9), second throttle (10), evaporator (1) pass through pipeline
It is sequentially communicated so as to form two-stage compression refrigeration circulation loop.
8. double loop handpiece Water Chilling Units according to claim 7, it is characterised in that：The two-stage compression refrigeration circulation loop is also
Including intercooler unit, the intercooler unit have low-pressure inlet (13), low tension outlet (14), high pressure entry (15) and
High-pressure outlet (16), low-pressure inlet (13) lead to low pressure compressor (11), and low tension outlet (14) leads to high pressure compressor (12), high
Press-in mouth (15) leads to first throttle valve (9), and high-pressure outlet (16) leads to second throttle (10).
9. double loop handpiece Water Chilling Units according to claim 8, it is characterised in that：The intercooler unit includes heat exchanger
(17) be located at stainless steel (18), high-pressure outlet (16) and high pressure entry (15) on heat exchanger (17), low-pressure inlet (13) and
Low tension outlet (14) is located in stainless steel (18), and heat exchanger (17) is connected with stainless steel (18) by pipeline.
A kind of 10. dual temperature cooling system, it is characterised in that：Include the user terminal of two kinds of different temperatures of demand, and right will
Ask the double loop handpiece Water Chilling Units any one of 1 to 9, low temperature water circulation supply circuit connection requirement temperature relatively low user's end
End, the higher user terminal of high temperature water circulation supply circuit connection requirement temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720430896.6U CN206755642U (en) | 2017-04-21 | 2017-04-21 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720430896.6U CN206755642U (en) | 2017-04-21 | 2017-04-21 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206755642U true CN206755642U (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720430896.6U Expired - Fee Related CN206755642U (en) | 2017-04-21 | 2017-04-21 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
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| Country | Link |
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| CN (1) | CN206755642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969520A (en) * | 2017-04-21 | 2017-07-21 | 广州翔捷仪器有限公司 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
-
2017
- 2017-04-21 CN CN201720430896.6U patent/CN206755642U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969520A (en) * | 2017-04-21 | 2017-07-21 | 广州翔捷仪器有限公司 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 510700 self compiled 4 708 rooms, No. 20, Guan Da Road, Whampoa District, Guangzhou, Guangdong. Patentee after: Guangzhou Xiang Jie refrigeration equipment Co., Ltd. Address before: 510665 Dong Hong business building, No. 4 Tong Dong Road, Zhongshan Road, Guangzhou, Guangdong, B520-1, Tianhe District Patentee before: Guangzhou Xiang Jie Instrument Co., Ltd. |
|
| 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: 20171215 Termination date: 20200421 |