CN212157709U - Water-cooling low-temperature cooling circulating device - Google Patents
Water-cooling low-temperature cooling circulating device Download PDFInfo
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- CN212157709U CN212157709U CN202020981385.5U CN202020981385U CN212157709U CN 212157709 U CN212157709 U CN 212157709U CN 202020981385 U CN202020981385 U CN 202020981385U CN 212157709 U CN212157709 U CN 212157709U
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Abstract
The utility model belongs to the technical field of laboratory instruments, in particular to a water-cooling low-temperature cooling circulating device, a liquid inlet pipe is vertically arranged in the middle of a water tank as a total liquid inlet pipe, return branch pipes are arranged on two sides, and a plurality of heat exchange pipes are arranged between the return branch pipes and the liquid inlet pipe, so that a plurality of parallel short-circuit heat exchange structures are arranged in the water tank; set up the heat exchange tube into circuitous column structure, make the coolant liquid in the short return circuit can carry out abundant heat exchange with the outside circulating water, the distribution area of heat exchange tube has been enlarged simultaneously, the refrigeration effect has been improved, the coolant liquid carries out the heat exchange at a plurality of mutually independent short return circuits and outside water, guaranteed that every short return circuit all has the lower coolant liquid of temperature, refrigeration efficiency has been guaranteed, short return circuit length is short simultaneously, coolant liquid temperature is balanced basically, the temperature in the water tank has been guaranteed to be balanced, heat exchange efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of laboratory instrument, concretely relates to water-cooling cryogenic cooling circulating device.
Background
The water-cooling low-temperature cooling circulating device is water cooling equipment used in a laboratory, and can provide constant-temperature, constant-flow and constant-pressure cooling water for experimental instruments, the working principle of the water cooling device is that a certain amount of water is injected into a water tank of a cabinet body firstly, then the water is cooled by a refrigerating system, a circulating pump sends the cooling water into an instrument needing to be cooled, the cooling water takes away heat, the temperature rises, and then the cooling water flows back to the water tank, and the refrigerating system cools again to achieve the purpose of refrigeration.
However, the cooling pipe of the existing refrigeration system is generally a single winding cooling pipe with a long length, which can satisfy the heat exchange function of the cooling liquid, but due to the structural defect, the cooling liquid can only flow slowly along the winding cooling pipe, the cooling liquid at the front end has a good cooling effect, but as the heat exchange progresses, the temperature of the cooling liquid rises, the cooling effect becomes poor, the cooling effect at the rear end of the cooling pipe becomes poor, the water temperature in the water tank becomes unbalanced, and at the same time, the compressor needs to return the cooling liquid with the poor cooling effect at the rear end to the compressor, which causes energy waste and troubles to people, so that it is necessary to research a water-cooling low-temperature cooling circulation device.
Disclosure of Invention
To the defect and the problem that existing equipment exists, the utility model provides a water-cooling low-temperature cooling circulating device, the effectual poor and the unbalanced problem of refrigeration effect who exists among the existing equipment of having solved.
The utility model provides a scheme that its technical problem adopted is: a water-cooling low-temperature cooling circulating device comprises a cabinet body and moving wheels, wherein the moving wheels are arranged at the bottom of the cabinet body, a water tank is arranged in the upper part of the cabinet body, a cover plate is arranged at the top of the cabinet body, a cooling pipe is arranged in the water tank, and the cooling pipe comprises a liquid inlet pipe, a return pipe and a heat exchange pipe; the liquid inlet pipe is vertically arranged in the middle of the water tank, and the bottom of the liquid inlet pipe is communicated with a liquid outlet of the compressor; the return pipe comprises return branch pipes arranged on two sides of the liquid inlet pipe and a return header pipe positioned at the bottom, the bottoms of the return branch pipes are communicated with the return header pipe, the middle part of the return header pipe is provided with a liquid return port, and the liquid return port is communicated with a liquid inlet of the compressor; a plurality of heat exchange tubes for communicating the liquid inlet pipe and the reflux branch pipes on the two sides are arranged between the liquid inlet pipe and the reflux branch pipes on the two sides; the bottom and the upper part of the water tank are respectively provided with a cold water outlet and a return port; the cold water provides cold water for external instruments through the circulating pump and flows back into the water tank through the return port.
Further, the heat exchange tube is of a circuitous tubular structure.
Furthermore, the middle part of feed liquor pipe is provided with fixed cover, and the both sides of fixed cover are fixed with the connecting rod, and the terminal fixed connection of connecting rod is in the middle part of backward flow branch pipe, the water tank bottom of backward flow house steward through the fixing base installation.
Further, the heat exchange tube comprises an upper heat exchange tube group positioned at the upper part and inclined downwards and a lower heat exchange tube group positioned at the lower part and inclined upwards; the return port is opposite to the upper heat exchange tube group, and the pipe diameter of the upper heat exchange tube group is larger than that of the lower heat exchange tube group.
Furthermore, the backflow branch pipe comprises an upper backflow section and a lower backflow section, and the upper backflow section and the lower backflow section are independent from each other and are communicated with the backflow header pipe.
The utility model has the advantages that: the utility model improves the structure of the cooling pipe on the basis of the existing structure; the liquid inlet pipe is taken as a main liquid inlet pipe and is vertically arranged in the middle of the water tank, the return branch pipes are arranged on two sides, and a plurality of heat exchange pipes are arranged between the return branch pipes and the liquid inlet pipe, so that a plurality of parallel short-circuit heat exchange structures are arranged in the water tank; the heat exchanger has the advantages that the cooling liquid exchanges heat with external water in a plurality of mutually independent short loops, the cooling liquid with lower temperature in each short loop is guaranteed, the refrigeration efficiency is guaranteed, meanwhile, the short loops are short, the temperature of the cooling liquid is basically balanced, the temperature in the water tank is guaranteed to be balanced, and the heat exchange efficiency is improved.
Simultaneously the utility model discloses set up the heat exchange tube into circuitous column structure, make the coolant liquid in the short return circuit can carry out abundant heat exchange with the outside circulating water, enlarged the distribution area of heat exchange tube simultaneously, improved refrigeration effect.
Simultaneously the utility model discloses divide into heat exchange tube group and lower heat exchange tube group with the heat exchange tube, go up the heat exchange tube group slope and set up downwards, lower heat exchange tube group slope upwards sets up to make the coolant liquid have different velocity of flow on water tank upper portion and lower part, and the pipe diameter of going up heat exchange tube group is greater than the pipe diameter of heat exchange tube group down, makes near the heat transfer pipe in backward flow mouth strong heat transfer ability, has improved refrigeration effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the present invention.
Fig. 3 is a schematic structural view of a heat exchange tube.
The reference numbers in the figures are: the heat exchange device comprises a cabinet body 1, a moving wheel 2, a cover plate 3, a water tank 4, a liquid inlet pipe 5, an upper backflow section 6, an upper heat exchange pipe set 7, a lower backflow section 8, a lower heat exchange pipe set 9, a fixing seat 10, a compressor 11, a circulating pump 12, a cold water outlet 13, a backflow port 14, an external instrument 15, a heat exchange pipe 16, a backflow branch pipe 17, a backflow header pipe 18 and a liquid inlet 51.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1: this embodiment aims at providing a water-cooling low-temperature cooling circulating device, current refrigerating system's cooling tube generally is the single cooling tube of length of expert of circuitous form, the coolant liquid can only flow along circuitous cooling tube, the coolant liquid of front end has fine refrigeration effect, but along with going on of heat exchange, coolant liquid temperature risees, the cooling effect variation, make cooling tube rear end refrigeration effect variation, cause the water temperature imbalance in the water tank, this embodiment provides a heat transfer structure that many parallel, short circuit for this reason.
As shown in fig. 1-2, a water-cooling low-temperature cooling circulating device, includes the cabinet body 1 and removes wheel 2, remove wheel 2 and set up in the bottom of the cabinet body 1, conveniently remove the cabinet body, be provided with water tank 4 in the upper portion of the cabinet body 1, the top of the cabinet body 1 is provided with apron 3 and seals the water tank, is provided with the cooling tube in the water tank 4, and the storage has quantitative circulating water in the water tank, continuously cools off the circulating water through the cooling tube to provide lasting cooling water for external instrument.
The cooling pipe comprises a liquid inlet pipe 5, a return pipe and a heat exchange pipe 16; as shown in fig. 1-2, the compressor 11 and the circulating pump 12 are arranged in the space at the bottom of the water tank 4, and the outer side of the cabinet 1 is provided with a louver for ventilation; the front of the cabinet body is provided with a control panel, the controller controls the work of the compressor and the circulating pump, the water tank can be also internally provided with a temperature driver, and the temperature in the water tank can be displayed on the control panel.
The middle part of feed liquor pipe 5 is provided with fixed cover, and the both sides of fixed cover are fixed with the connecting rod, and the terminal fixed connection of connecting rod is in the middle part of backward flow branch pipe, the water tank bottom that the total pipe of backward flow passes through fixing base 10 is fixed.
The return pipe comprises return branch pipes 17 arranged at two sides of the liquid inlet pipe and a return header pipe 18 positioned at the bottom, and the return branch pipes 17 can be vertical branch pipes or bent pipes bent towards two sides; the upper end of the backflow branch pipe 17 is closed, the bottom of the backflow branch pipe 17 is communicated with the backflow header pipe 18, the middle of the backflow header pipe 18 is provided with a fixed seat 10, a liquid return port communicated with the backflow header pipe is arranged in the fixed seat 10, and the liquid return port is communicated with a liquid inlet of the compressor 11; the liquid inlet pipe 5 is vertically arranged in the middle of the water tank 4, and the bottom of the liquid inlet pipe is communicated with a liquid outlet of the compressor 11, so that cooling liquid exchanges heat with circulating water through the liquid inlet pipe 5, the heat exchange pipe 16, the reflux branch pipe 17 and the reflux header pipe 18 and flows back to the compressor.
A plurality of heat exchange tubes 16 which are communicated with the liquid inlet tube 5 and the reflux branch tubes 17 at the two sides are arranged between the liquid inlet tube and the reflux branch tubes 17; in the embodiment, the liquid inlet pipe 5 is taken as a main liquid inlet pipe and is vertically arranged in the middle of the water tank, the return branch pipes 17 are arranged on two sides, and a plurality of heat exchange pipes 16 are arranged between the return branch pipes 17 and the liquid inlet pipe 5, so that a plurality of parallel short-circuit heat exchange structures are arranged in the water tank; the coolant liquid carries out the heat exchange at a plurality of mutually independent short return circuits and outside water, has guaranteed that every short return circuit all has the lower coolant liquid of temperature, has guaranteed refrigeration efficiency, and short return circuit length is short simultaneously, and coolant liquid temperature is balanced basically, has guaranteed that the temperature in the water tank 4 is balanced, has improved heat exchange efficiency.
The bottom and the upper part of the water tank 4 are respectively provided with a cold water outlet 13 and a return port 14; the cold water provides cold water for external instruments 15 through the circulating pump 12 and flows back to the water tank 4 through the return port 14, the cooling water in the water tank is extracted through the circulating pump and flows back to the water tank through the external instruments, and then the circulating water is cooled again through the heat exchange tubes, so that the function of continuously supplying the cooling water is realized.
Example 2: this example is substantially the same as example 1, except that: the present embodiment further defines the specific structure of the heat exchange pipe.
As shown in fig. 3, the heat exchange tube 16 is a circuitous tubular structure, so that the heat exchange tube 16 extends to the front and rear sides of the water tank, the distribution area of the heat exchange tube is enlarged, and the circuitous structure extends the length of the heat exchange tube, so that the cooling liquid in the heat exchange tube can be fully heat-exchanged with the circulating water, and the utilization rate of the cooling liquid is improved.
Example 3: this example is substantially the same as example 1, except that: the present embodiment further defines the heat exchange pipe mounting structure.
The heat exchange tubes 16 comprise an upper heat exchange tube group 7 positioned at the upper part and inclined downwards and a lower heat exchange tube group 9 positioned at the lower part and inclined upwards; the pipe diameter of the upper heat exchange pipe group 7 is larger than that of the lower heat exchange pipe group 9, as shown in fig. 2, the backflow port 14 is opposite to the upper heat exchange pipe group, the circulating water temperature at the upper heat exchange pipe group is higher, in order to quickly reduce the temperature of the part of the circulating water, the upper heat exchange pipe group is obliquely and downwards arranged, the flow rate of the cooling liquid can be accelerated due to the gravity of the cooling liquid, the pipe diameter of the upper heat exchange pipe group is increased, the cooling efficiency of the circulating water at the upper part is further accelerated, and the lower heat exchange pipe group at the lower part performs sufficient heat exchange with the circulating water with the temperature slightly lower.
In order to further accelerate the cooling efficiency of the upper circulating water, the return branch pipe 17 comprises an upper return section 6 and a lower return section 8, and the upper return section 6 and the lower return section 8 are independent from each other and are communicated with the return header pipe.
Claims (5)
1. The utility model provides a water-cooling low-temperature cooling circulating device, includes the cabinet body and removes the wheel, remove the bottom that the wheel set up at the cabinet body, be provided with the water tank in the upper portion of the cabinet body, the top of the cabinet body is provided with the apron, is provided with cooling tube, its characterized in that in the water tank: the cooling pipe comprises a liquid inlet pipe, a return pipe and a heat exchange pipe; the liquid inlet pipe is vertically arranged in the middle of the water tank, and the bottom of the liquid inlet pipe is communicated with a liquid outlet of the compressor; the return pipe comprises return branch pipes arranged on two sides of the liquid inlet pipe and a return header pipe positioned at the bottom, the bottoms of the return branch pipes are communicated with the return header pipe, the middle part of the return header pipe is provided with a liquid return port, and the liquid return port is communicated with a liquid inlet of the compressor; a plurality of heat exchange tubes for communicating the liquid inlet pipe and the reflux branch pipes on the two sides are arranged between the liquid inlet pipe and the reflux branch pipes on the two sides; the bottom and the upper part of the water tank are respectively provided with a cold water outlet and a return port; the cold water provides cold water for external instruments through the circulating pump and flows back into the water tank through the return port.
2. The water-cooled cryogenic cooling cycle apparatus according to claim 1, wherein: the heat exchange tube is of a circuitous tubular structure.
3. The water-cooled cryogenic cooling cycle apparatus according to claim 1, wherein: the middle part of feed liquor pipe is provided with fixed cover, and the both sides of fixed cover are fixed with the connecting rod, and the terminal fixed connection of connecting rod is in the middle part of backward flow branch pipe, the water tank bottom of backward flow house steward through the fixing base installation.
4. The water-cooled cryogenic cooling cycle apparatus according to claim 1, wherein: the heat exchange tube comprises an upper heat exchange tube group positioned at the upper part and inclined downwards and a lower heat exchange tube group positioned at the lower part and inclined upwards; the return port is opposite to the upper heat exchange tube group, and the pipe diameter of the upper heat exchange tube group is larger than that of the lower heat exchange tube group.
5. The water-cooled cryogenic cooling cycle apparatus according to claim 4, wherein: the backflow branch pipe comprises an upper backflow section and a lower backflow section, and the upper backflow section and the lower backflow section are mutually independent and are communicated with the backflow header pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020981385.5U CN212157709U (en) | 2020-06-02 | 2020-06-02 | Water-cooling low-temperature cooling circulating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020981385.5U CN212157709U (en) | 2020-06-02 | 2020-06-02 | Water-cooling low-temperature cooling circulating device |
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| CN212157709U true CN212157709U (en) | 2020-12-15 |
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| CN202020981385.5U Active CN212157709U (en) | 2020-06-02 | 2020-06-02 | Water-cooling low-temperature cooling circulating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284593A (en) * | 2021-12-17 | 2022-04-05 | 重庆长安汽车股份有限公司 | Thermal management system for intelligently adjusting temperature of power battery |
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2020
- 2020-06-02 CN CN202020981385.5U patent/CN212157709U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284593A (en) * | 2021-12-17 | 2022-04-05 | 重庆长安汽车股份有限公司 | Thermal management system for intelligently adjusting temperature of power battery |
| CN114284593B (en) * | 2021-12-17 | 2023-07-14 | 重庆长安汽车股份有限公司 | Heat management system capable of intelligently adjusting temperature of power battery |
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