CN216409442U - Cooling device of circulating water machine for laboratory - Google Patents
Cooling device of circulating water machine for laboratory Download PDFInfo
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- CN216409442U CN216409442U CN202122414257.XU CN202122414257U CN216409442U CN 216409442 U CN216409442 U CN 216409442U CN 202122414257 U CN202122414257 U CN 202122414257U CN 216409442 U CN216409442 U CN 216409442U
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Abstract
The utility model discloses a cooling device of a circulating water cooling machine for a laboratory. Large-scale precision instruments in laboratories need to be provided with a special cooling circulating water device to cool internal elements of the instruments; the device comprises an air type hot water cooler, a first heat exchanger, a second heat exchanger, a refrigeration compressor, a water tank, a water pump, a first temperature measurement component and a second temperature measurement component; when the outdoor environment temperature is lower than the set temperature of the water circulating machine, the control circuit controls the refrigeration compressor to be closed, the air type hot water cooler is started, and the air type hot water cooler cools a water tank in the water circulating machine; when the ambient temperature is higher than the set temperature of the water circulating machine, the control circuit automatically controls the air type hot water cooler to be closed, the refrigeration compressor is started, and the refrigeration compressor cools the water tank. The utility model adopts the mode that the air type hot water cooler and the refrigeration compressor work alternately, can reduce the work load of the refrigeration compressor, also prolong the service life of the refrigeration device, and the air type hot water cooler and the refrigeration compressor can be mutually standby, thereby further improving the reliability of the device.
Description
Technical Field
The utility model belongs to the field of auxiliary equipment of laboratory analyzers, and particularly relates to a cooling device of a circulating water cooling machine for a laboratory.
Background
The refrigerating equipment for the laboratory is water cooling equipment, and can provide constant-temperature, constant-flow and constant-pressure cooling water equipment. The working principle is that a certain amount of water is injected into the water tank in the machine, the water is cooled by the refrigerating system, low-temperature cooling water is sent to equipment needing cooling by the water pump, the temperature of the cooling water is raised after the cooling water takes away heat, and the cooling water flows back to the water tank to achieve the cooling effect.
In the use of the large-scale precision instrument in the laboratory, the components and parts in the instrument need cooling water to cool, according to the requirement of the instrument, the circulating water machine is basically in the uninterrupted working state all day long, the temperature control of the existing circulating water machine water tank is to cool the water tank through the refrigeration compressor device, the uninterrupted working all day long, the noise is larger, the energy consumption is higher, and the service life of the compressor is shorter because of the uninterrupted working all day long.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to provide a cooling device of a circulating water cooling machine for a laboratory; the device has reasonable design, can solve the problems of high energy consumption, high working noise, high working load of the refrigeration compressor and the like in the prior art, and simultaneously prolongs the service life of the refrigeration device.
In order to achieve the purpose, the utility model adopts the following technical scheme to solve the problem:
a cooling device of a circulating water cooling machine for a laboratory is used for cooling an instrument to be cooled and is characterized by comprising an outdoor heat exchanger assembly, an indoor heat exchanger assembly and a water tank; the outdoor heat exchanger assembly comprises an air-based hot water cooler and a first heat exchanger; the indoor heat exchanger assembly comprises a second heat exchanger and a refrigeration compressor; the air-based hot water cooler comprises a first water inlet and a first water outlet; the first heat exchanger comprises a second water inlet and a second water outlet; the second heat exchanger comprises a third water inlet and a third water outlet; the refrigeration compressor comprises a fourth water inlet and a fourth water outlet; the water tank comprises a fifth water inlet and a fifth water outlet; the instrument to be cooled comprises a cooling jacket, and the cooling jacket comprises a sixth water inlet and a sixth water outlet; the first water inlet and the second water outlet are connected through a pipeline; the second water inlet and the first water outlet are connected through a pipeline; the third water inlet and the fourth water outlet are connected through a pipeline; the fourth water inlet and the third water outlet are connected through a pipeline; the fifth water inlet and the sixth water outlet are connected through a pipeline; the sixth water inlet and the fifth water outlet are connected through a pipeline;
the outdoor air temperature measuring device also comprises a first temperature measuring component and a second temperature measuring component, wherein the first temperature measuring component is used for measuring the outdoor air temperature T1The second temperature measuring component is used for measuring the temperature T of water in the water tank2。
Furthermore, the first temperature measuring component is a first mercury thermometer which is arranged outdoors; the second temperature measuring component is a second mercury thermometer, and a temperature probe of the second mercury thermometer is submerged below the liquid level of the water tank.
Further, the device also comprises a main control panel; the first temperature measuring component is a first temperature sensor, and the second temperature measuring component is a second temperature sensor; the first temperature sensor is arranged outdoors, and the second temperature sensor is arranged inside the water tank; the main control board comprises a first signal input end, a second signal input end, a first signal output end anda first signal output terminal; the first temperature sensor is connected to a first signal input end of the main control board, and the second temperature sensor is connected to a second signal input end of the main control board; the first signal output end of the main control board is connected with a switch of the air type hot water cooler, and the main control board can control the air type hot water cooler to be started or closed; the second signal output end of the main control board is connected with a switch of the refrigeration compressor, and the main control board can control the refrigeration compressor to start or close; when T is2> 25 DEG and T1When the temperature is more than or equal to 20 degrees, the main control panel (9) controls the refrigeration compressor (6) to work; when T is2> 25 DEG and T1When the temperature is less than 20 degrees, the main control board (9) controls the air type hot water cooler (3) to work;
furthermore, a first water pump is connected to the pipelines of the second water inlet and the first water outlet, and a second water pump is connected to the pipelines of the sixth water inlet and the fifth water outlet.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
(1) in most time of the northern area, the air type hot water cooler can be used for cooling the water tank, so that compared with the prior art, the energy consumption is greatly reduced;
(2) in the utility model, the external circulation waterway has simple structure, high reliability and easier maintenance;
(3) in the utility model, the air type hot water cooler and the refrigeration compressor are adopted to work alternately, so that the work load of the refrigeration compressor can be reduced, and the service life of the refrigeration device is prolonged;
(4) in the utility model, the air type hot water cooler and the refrigeration compressor can be mutually used as a spare, thereby improving the reliability of the device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1. a water tank; 101. a fifth water inlet; 102. a fifth water outlet; 2. an instrument to be cooled; 201. a sixth water inlet; 202. a sixth water outlet; 3. an air-based hot water cooler; 301. a first water inlet; 302. a first water outlet; 4. a first heat exchanger; 401. a second water inlet; 402. a second water outlet; 5. a second heat exchanger; 501. a third water inlet; 502. a third water outlet; 6. a refrigeration compressor; 7. a first temperature measuring component; 8. a second temperature measuring component; 9. a main control panel; 10. a first water pump; 11. and a second water pump.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The utility model can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the utility model. Therefore, the present invention is not limited to the specific embodiments disclosed below.
Referring to fig. 1, a cooling device of a circulating water cooling machine for a laboratory is used for cooling an instrument 2 to be cooled, and comprises an outdoor heat exchanger assembly, an indoor heat exchanger assembly and a water tank 1; the outdoor heat exchanger assembly comprises an air-based hot water cooler 3 and a first heat exchanger 4; the indoor heat exchanger assembly comprises a second heat exchanger 5 and a refrigeration compressor 6; the air-based hot water cooler comprises a first water inlet 301 and a first water outlet 302; the first heat exchanger comprises a second water inlet 401 and a second water outlet 402; the second heat exchanger comprises a third water inlet 501 and a third water outlet 502; the refrigeration compressor comprises a fourth water inlet 601 and a fourth water outlet 602; the water tank comprises a fifth water inlet 101 and a fifth water outlet 102; the instrument to be cooled comprises a cooling jacket, and the cooling jacket comprises a sixth water inlet 201 and a sixth water outlet 202; the first water inlet 301 and the second water outlet 402 are connected by a pipe; the second water inlet 401 and the first water outlet 302 are connected through a pipe; the third water inlet 501 and the fourth water outlet 602 are connected through a pipe; the fourth water inlet 601 and the third water outlet 502 are connected by a pipe; the fifth water inlet 101 and the sixth water outlet 202 are connected through a pipeline; the sixth water inlet 201 and the fifth water outlet 102 are connected through a pipeline;
the temperature measuring device also comprises a first temperature measuring component 7 and a second temperature measuring component 8, wherein the first temperature measuring component 7 is used for measuring the outdoor air temperature T1The second temperature measuring component 8 is used for measuring the temperature T of the water in the water tank2。
In the above embodiment, the air-type hot water cooler 3 and the refrigeration compressor 6 are alternately operated, so that the workload of the refrigeration compressor 6 can be reduced, and the service life of the device can be prolonged.
Further, the first temperature measuring component 7 is a first mercury thermometer which is arranged outdoors; the second temperature measuring component 8 is a second mercury thermometer, and a temperature probe of the second mercury thermometer is submerged below the liquid level of the water tank.
In the above embodiment, the first mercury thermometer is used to monitor the outdoor temperature, and the second mercury thermometer is used to monitor the temperature of the water tank 1.
Further, a main control panel 9 is also included; the first temperature measuring component 7 is a first temperature sensor, and the second temperature measuring component 8 is a second temperature sensor; the first temperature sensor is arranged outdoors, and the second temperature sensor is arranged inside the water tank 1; the main control board 9 comprises a first signal input end, a second signal input end, a first signal output end and a first signal output end; the first temperature sensor is connected to a first signal input end of the main control board 9, and the second temperature sensor is connected to a second signal input end of the main control board 9; a first signal output end of the main control board 9 is connected with a switch of the air type hot water cooler 3, and the main control board 9 can control the air type hot water cooler (3)3 to be started or closed; second signal of the main control board 9The output end of the main control board 9 is connected with a switch of the refrigeration compressor 6, and the main control board can control the refrigeration compressor 6 to start or close; when T is2> 25 DEG and T1When the temperature is more than or equal to 20 ℃, the main control panel 9 controls the refrigeration compressor 6 to work; when T is2> 25 DEG and T1When the temperature is less than 20 ℃, the main control board 9 controls the air type hot water cooler 3 to work;
in the above embodiment, the main control board 9 automatically controls the cooling modes of the air-type hot water cooler 3 and the refrigeration compressor 6.
Further, running water is filled into the water tank 1, the water level of the water tank 1 is higher than the height of the first heat exchanger 4 and the height of the second heat exchanger 5, the water level of the water tank 1 is higher than the height of the second temperature sensor, and a switch of the main control panel 9 is closed;
the temperature set value of the water tank 1 provided with the main control board 9 is 25 ℃, the temperature set value of the refrigeration compressor 6 provided with the main control board 9 is 15 ℃, the outdoor temperature set value of the main control board 9 is 20 ℃, and the temperature of the first temperature sensor displayed by the main control board 9 is 22 ℃; the main control board 9 is provided with a start button, the start button is clicked, the switch of the refrigeration compressor 6 is turned on, and the laboratory circulating water cooling machine refrigeration device performs heat exchange operation by the second heat exchanger 5;
for example, after three hours, the main control board 9 displays that the temperature of the first temperature sensor 4 is 20 ℃ (the switching condition is that the temperature of the first sensor is less than 20 ℃), the main control board 9 automatically controls the switch of the air type hot water cooler 3 to be turned on, the main control board 9 automatically controls the switch of the refrigeration compressor 6 to be turned off, and the laboratory circulating water cooling machine performs heat exchange operation by using the first heat exchanger 4;
for example, after seven hours, the main control board 9 displays that the temperature of the first temperature sensor 4 is 21 ℃ (the switching condition is that the temperature of the first sensor is greater than 20 ℃), the main control board 9 automatically controls the on/off of the refrigeration compressor 6, the main control board 9 controls the on/off of the air-type hot water cooler 3, and the laboratory circulating water cooling machine is operated by the second heat exchanger 5 for heat exchange; thus completing one cycle operation.
Further, a first water pump 10 is connected to a pipeline between the second water inlet 401 and the first water outlet 302, and a second water pump 11 is connected to a pipeline between the sixth water inlet 201 and the fifth water outlet 102; the first water pump and the second water pump are used for improving the water flow circulation speed so as to improve the heat exchange efficiency.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
(1) in most time of the northern area, the air type hot water cooler can be used for cooling the water tank, so that compared with the prior art, the energy consumption is greatly reduced;
(2) in the utility model, the external circulation waterway has simple structure, high reliability and easier maintenance;
(3) in the utility model, the air type hot water cooler and the refrigeration compressor are adopted to work alternately, so that the work load of the refrigeration compressor can be reduced, and the service life of the device is prolonged;
(4) in the utility model, the air type hot water cooler and the refrigeration compressor can be mutually used as a spare, thereby improving the reliability of the device.
Although the present invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.
Claims (4)
1. A cooling device of a cooling circulating water machine for a laboratory is used for cooling an instrument (2) to be cooled and is characterized by comprising an outdoor heat exchanger assembly, an indoor heat exchanger assembly and a water tank (1); the outdoor heat exchanger assembly comprises an air-based hot water cooler (3) and a first heat exchanger (4); the indoor heat exchanger assembly comprises a second heat exchanger (5) and a refrigeration compressor (6);
the air-based hot water cooler comprises a first water inlet (301) and a first water outlet (302);
the first heat exchanger comprises a second water inlet and (401) a second water outlet (402);
the second heat exchanger comprises a third water inlet (501) and a third water outlet (502);
the refrigeration compressor comprises a fourth water inlet (601) and a fourth water outlet (602);
the water tank comprises a fifth water inlet (101) and a fifth water outlet (102);
the instrument to be cooled comprises a cooling jacket, and the cooling jacket comprises a sixth water inlet (201) and a sixth water outlet (202);
the first water inlet (301) and the second water outlet (402) are connected by a pipe; the first water outlet (302) and the second water inlet (401) are connected through a pipeline;
the fourth water inlet (601) and the third water outlet (502) are connected through a pipeline; the fourth water outlet (602) and the third water inlet (501) are connected through a pipeline;
the sixth water inlet (201) and the fifth water outlet (102) are connected through a pipeline; the sixth water outlet (202) and the fifth water inlet (101) are connected through a pipeline;
the outdoor air temperature measuring device also comprises a first temperature measuring component (7) and a second temperature measuring component (8), wherein the first temperature measuring component (7) is used for measuring the outdoor air temperature T1The second temperature measuring component (8) is used for measuring the temperature T of water in the water tank2。
2. The circulating water cooling device for the laboratory according to claim 1, wherein the first temperature measuring component (7) is a first mercury thermometer, and the first mercury thermometer is installed outdoors; the second temperature measuring component (8) is a second mercury thermometer, and a temperature probe of the second mercury thermometer is immersed below the liquid level of the water tank.
3. The cooling device for the circulating water cooling laboratory according to claim 1, further comprising a main control panel (9);
the first temperature measurement component (7) is a first temperature sensor, and the second temperature measurement component (8) is a second temperature sensor;
the first temperature sensor is arranged outdoors, and the second temperature sensor is arranged inside the water tank (1);
the main control board (9) comprises a first signal input end, a second signal input end, a first signal output end and a first signal output end; the first temperature sensor is connected to a first signal input end of the main control board (9), and the second temperature sensor is connected to a second signal input end of the main control board (9);
a first signal output end of the main control board (9) is connected with a switch of the air type hot water cooler (3), and the main control board (9) can control the air type hot water cooler (3) to be started or closed;
a second signal output end of the main control board (9) is connected with a switch of the refrigeration compressor (6), and the main control board (9) can control the start or the stop of the refrigeration compressor (6);
when T is2When the temperature is more than 25 degrees and T1 is more than or equal to 20 degrees, the main control board (9) controls the refrigeration compressor (6) to work;
when T is2The main control board (9) controls the air type hot water cooler (3) to work when the temperature is more than 25 degrees and T1 is less than 20 degrees.
4. The circulating water cooling device for laboratories as claimed in claim 1, wherein the first water pump (10) is connected to the pipeline between the second water inlet (401) and the first water outlet (302), and the second water pump (11) is connected to the pipeline between the sixth water inlet (201) and the fifth water outlet (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122414257.XU CN216409442U (en) | 2021-10-08 | 2021-10-08 | Cooling device of circulating water machine for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122414257.XU CN216409442U (en) | 2021-10-08 | 2021-10-08 | Cooling device of circulating water machine for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216409442U true CN216409442U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122414257.XU Active CN216409442U (en) | 2021-10-08 | 2021-10-08 | Cooling device of circulating water machine for laboratory |
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| Country | Link |
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| CN (1) | CN216409442U (en) |
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2021
- 2021-10-08 CN CN202122414257.XU patent/CN216409442U/en active Active
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