CN209857413U - Cooling device - Google Patents
Cooling device Download PDFInfo
- Publication number
- CN209857413U CN209857413U CN201920571836.5U CN201920571836U CN209857413U CN 209857413 U CN209857413 U CN 209857413U CN 201920571836 U CN201920571836 U CN 201920571836U CN 209857413 U CN209857413 U CN 209857413U
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- Prior art keywords
- cooling
- condenser
- branch
- cleaning
- cooling liquid
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- 238000001816 cooling Methods 0.000 title claims abstract description 98
- 238000004140 cleaning Methods 0.000 claims abstract description 53
- 239000000110 cooling liquid Substances 0.000 claims abstract description 44
- 239000002826 coolant Substances 0.000 claims abstract description 31
- 239000003507 refrigerant Substances 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a cooling device, which comprises a refrigerant system and a cooling liquid system; the refrigerant system comprises a compressor, a condenser and an evaporator which are sequentially communicated; the cooling liquid system comprises a cooling branch which can exchange heat with the evaporator for cooling external equipment; wherein the coolant system further comprises a cleaning branch in communication with the condenser for cleaning the condenser. The cooling equipment realizes self-cleaning of the condenser while ensuring that external equipment is cooled; and the cleaning branch plays a certain role in cooling the condenser while cleaning the condenser.
Description
Technical Field
The utility model relates to a heat exchange technology field especially relates to a cooling device.
Background
The machine tool cooling equipment is mainly applied to the machining center of precise parts in large-scale manufacturing plants and is matched with a machine tool for use so as to cool the machine tool, and the normal operation of the machine tool cooling equipment can not only ensure the normal work of the machine tool, but also ensure that the machine tool has enough machining precision so that the machined parts meet the high-precision requirement.
When the machine tool cooling equipment runs for a long time, oil stains and dust in a workshop can be adsorbed on the condenser in a large amount, so that the heat dissipation of the condenser is poor, the condensing force required by a refrigerating system of the machine tool cooling equipment is higher, the cooling capacity of the machine tool cooling equipment is reduced, and the machine tool cooling equipment can give an alarm at high pressure to stop working in a serious condition. Therefore, how to clean the condenser of the machine tool cooling equipment becomes an important problem to be solved by each manufacturing plant.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a cooling apparatus capable of self-cleaning, which addresses the problem of the need for cleaning of a machine tool cooling apparatus.
A cooling device comprises a refrigerant system and a cooling liquid system;
the refrigerant system comprises a compressor, a condenser and an evaporator which are sequentially communicated;
the cooling liquid system comprises a cooling branch which can exchange heat with the evaporator for cooling external equipment;
wherein the coolant system further comprises a cleaning branch in communication with the condenser for cleaning the condenser.
In one embodiment, the cooling liquid system further comprises a spraying device connected with the cleaning branch and used for spraying the condenser.
In one embodiment, the cooling liquid system further comprises an on-off switch arranged on the cleaning branch.
In one embodiment, the cooling apparatus further comprises a control device;
the on-off switch is an electromagnetic valve and is electrically connected with the control device.
In one embodiment, the refrigerant system further includes a cooling fan disposed beside the condenser for sucking air to cool the condenser;
the cooling fan is electrically connected with the control device, and the control device can control the forward and reverse rotation of the cooling fan.
In one embodiment, the cooling device further comprises a wind resistance sensor for detecting the wind resistance of the condenser;
when the wind resistance sensor detects that the wind resistance of the condenser reaches a preset resistance value, the on-off switch is turned on.
In one embodiment, the cooling liquid system further comprises a main path and a cooling liquid tank located on the main path for containing cooling liquid;
wherein the cooling branch and the cleaning branch are both in communication with the main path.
In one embodiment, the cooling branch and the main path form a closed loop.
In one embodiment, the condenser is arranged opposite to the cooling liquid tank, and an opening is formed in the position, opposite to the condenser, of the cooling liquid tank.
The control method of the cooling equipment ensures that the external equipment is cooled, and simultaneously realizes the self-cleaning of the condenser; and the cleaning branch plays a certain role in cooling the condenser while cleaning the condenser.
Drawings
Fig. 1 is a schematic diagram of a cooling apparatus according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a cooling apparatus according to an embodiment of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a cooling apparatus 100, including a cooling medium system 10 and a cooling liquid system 20, heat exchange is performed between the cooling medium system 10 and the cooling liquid system 20 to reduce the temperature of the cooling liquid in the cooling liquid system 20, so that the cooling liquid cools an external device (e.g., a machine tool).
Specifically, the cooling medium system 10 includes a compressor 11, a condenser 12 and an evaporator 13 which are sequentially communicated, the cooling liquid system 20 includes a cooling branch 21, and after the cooling branch 21 and the evaporator 13 perform heat exchange, the temperature of the cooling liquid in the cooling branch 21 is reduced, so that the cooling liquid cools the external device. When the cooling system works, a refrigerant in the refrigerant system 10 flows through the evaporator 13 to cool the cooling liquid in the cooling branch 21, then the refrigerant enters the condenser 12 through the compressor 11 to exchange heat, and release heat, at this time, the temperature of the condenser 12 is increased, and the temperature of the refrigerant flowing out of the condenser 12 is decreased, the cooled refrigerant flows through the evaporator 13 again to exchange heat with the cooling liquid in the cooling branch 21, and the refrigerant circulates in sequence, so that the cooling branch 21 can continuously provide the cooled cooling liquid for external equipment, and the external equipment is ensured to be sufficiently cooled.
More specifically, the refrigerant system 10 further includes a throttling element 14, when in operation, the refrigerant in the refrigerant system 10 flows through the evaporator 13 to cool the coolant in the cooling branch 21, and then the refrigerant enters the condenser 12 through the compressor 11 to exchange heat, so as to release heat, at this time, the temperature of the condenser 12 is raised, the temperature of the refrigerant flowing out of the condenser 12 is lowered, the cooled refrigerant flows through the evaporator 13 again after being throttled by the throttling element 14 to exchange heat with the coolant in the cooling branch 21, and circulates in sequence, so that the cooling branch 21 can continuously provide the cooled coolant to external devices, so as to ensure that the external devices are sufficiently cooled.
The coolant system 20 further comprises a cleaning branch 22, the cleaning branch 22 being in communication with the condenser 12 for cleaning the condenser 12.
With the above arrangement, the cooling apparatus 100 achieves self-cleaning of the condenser 12 while achieving cooling of external equipment; and the cleaning branch 22 has a certain cooling effect on the condenser 12 while cleaning the condenser 12.
In one embodiment, the cooling apparatus 100 further includes a control device (not shown), the cooling medium system 10 and the cooling liquid system 20 are electrically connected to the control device, and the control device controls system operations of the cooling medium system 10 and the cooling liquid system 20.
The cooling medium system 10 further includes a cooling fan 15, and the cooling fan 15 is disposed beside the condenser 12 for sucking air to cool the condenser 12. The cooling fan 15 is connected to a control device, which can control the working state of the cooling fan 15, and the working state of the cooling fan 15 includes stop, forward rotation (sucking air from the outside to the condenser 12 in forward rotation), and reverse rotation (blowing air to the outside to the condenser 12 in reverse rotation).
In one embodiment, the cooling liquid system 20 further includes a main path 23 and a cooling liquid tank 24 located on the main path 23 for containing the cooling liquid, and the cooling branch 21 and the cleaning branch 22 are connected to the main path 23. A part of the cooling liquid flowing out of the cooling liquid tank 24 enters the cooling branch 21 for cooling after heat exchange with the evaporator 13, the cooled cooling liquid is used for cooling the external device, and another part of the cooling liquid flowing out of the cooling liquid tank 24 enters the cleaning branch 22 for cleaning the condenser 12.
Specifically, the cooling branch 21 and the main path 23 form a loop, so that a part of the cooling liquid flowing out from the cooling liquid tank 24 enters the cooling branch 21 for cooling after heat exchange with the evaporator 13, and the cooled cooling liquid flows back to the cooling liquid tank 24 again after being used for cooling the external equipment, so as to be recycled.
In one embodiment, the condenser 12 is disposed opposite the coolant tank 24, and the coolant tank 24 is open opposite the condenser 12. Another portion of the cooling fluid thus flowing out of the cooling fluid tank 24 enters the cleaning branch 22 for cleaning the condenser 12 and then enters the cooling fluid tank 24 again for recycling.
Specifically, the coolant system 20 further includes an oil pump 27 disposed on the main path 23, and the oil pump 27 pressurizes the coolant in the coolant tank 24 and then flows to the cooling branch 21 and the cleaning branch 22.
In one embodiment, the coolant system 20 further comprises a spray device 25, the spray device 25 being connected to the cleaning branch 22 and serving to spray the condenser 12. By providing the spray means 25, a more thorough cleaning of the condenser 12 can be ensured. In particular, the spray device 25 may be a spray head or a spray pipe.
In one embodiment, the cooling liquid system 20 further includes an on-off switch 26 disposed on the cleaning branch 22, and the on-off switch 26 is used for switching on and off the cleaning branch 22.
Specifically, the on-off switch 26 is a solenoid valve and is connected to a control device for controlling the on-off of the solenoid valve. It is understood that in other embodiments, the on-off switch 26 may be a manual switch, and is not limited thereto.
In one embodiment, the cooling device 100 further comprises a wind resistance sensor for detecting the wind resistance of the condenser 12, and the wind resistance sensor is connected to the control device, and the control device controls the on-off switch 26 to be turned on when the wind resistance sensor detects that the wind resistance of the condenser 12 reaches a preset resistance value.
With the above arrangement, when the wind resistance of the condenser 12 reaches the preset resistance value, that is, when the oil stain and dust adsorbed on the condenser 12 reach a certain degree, the control device controls the on-off switch 26 to be turned on to turn on the cleaning branch 22, so as to avoid unnecessary waste.
Referring to fig. 2, an embodiment of the present invention further provides a control method of the cooling apparatus 100, including the steps of:
s110: detecting the wind resistance of the condenser 12;
specifically, the wind resistance sensor detects the wind resistance of the condenser 12 and sends the resistance value of the wind resistance of the condenser 12 to the control device.
S120: when the wind resistance of the condenser 12 reaches a preset resistance value, the cleaning branch 22 is opened to clean the condenser 12.
Specifically, when the wind resistance of the condenser 12 reaches a preset resistance value, the control device controls the on-off switch 26 to be turned on, so that the cleaning branch 22 is conducted, and the spraying device 25 connected with the cleaning branch 22 sprays the condenser 12.
More specifically, step S120 includes:
when the cleaning branch 22 is opened, the cooling fan 15 of the cooling medium system 10 is turned off.
That is, when the cleaning branch 22 is opened, the cooling fan 15 of the cooling medium system 10 is closed, and at this time, the temperature of the condenser 12 is higher because the cooling fan 15 is closed, and when the spraying device 25 sprays the cooling liquid on the surface of the condenser 12 with higher temperature, it is more favorable for washing the oil dirt and dust from the surface of the condenser 12.
In one embodiment, after step S120, the method further includes:
s130: when the working time of the cleaning branch 22 reaches a first preset time, closing the cleaning branch 22 and controlling the cooling fan 15 to blow air to the condenser 12;
specifically, the working time of the cleaning branch 22 is preset, and when the working time of the cleaning branch reaches the first preset time, the cleaning branch 22 is closed and the cooling fan 15 is controlled to blow air to the condenser 12, so as to avoid resource waste.
It should be noted that when the cooling fan 15 is working normally, that is, when the cooling fan 15 is sucking air from the outside when cooling the condenser 12, the cooling fan 15 blows air to the condenser 12, so as to blow out the oil and dust remained on the surface of the condenser 12 after cleaning the cleaning branch 22 out of the cooling medium system 10.
S140: and when the blowing time of the cooling fan 15 to the condenser 12 reaches a second preset time, detecting the wind resistance of the condenser 12 again.
Specifically, the blowing time of the cooling fan 15 to the condenser 12 is set in advance, and when the blowing time of the cooling fan 15 to the condenser 12 reaches a second preset time, the wind resistance of the condenser 12 is detected again. When the wind resistance of the condenser 12 still reaches the preset resistance value (including being equal to the preset resistance value and being greater than the preset resistance value), the above steps are repeated, and when the wind resistance of the condenser 12 is smaller than the preset resistance value, the cooling branch 21 normally works.
The embodiment of the utility model provides a cooling device and control method thereof has following beneficial effect:
1. the self-cleaning of the condenser 12 is realized while the cooling of external equipment is ensured; the cleaning branch 22 has a certain cooling effect on the condenser 12 while cleaning the condenser 12;
2. the wind resistance sensor detects the wind resistance of the condenser 12, when the wind resistance of the condenser 12 reaches a preset resistance value, the control device controls the on-off switch 26 to be turned on so that the spraying device 25 cleans the condenser 12, and when the wind resistance of the condenser 12 does not reach the preset resistance value, the on-off switch 26 is turned off, so that resource waste is avoided;
2. the coolant tank 24 is opened at a position opposite to the condenser 12, so that the coolant flows back to the coolant tank 24 again after the condenser 12 is cleaned, and the coolant can be recycled.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A cooling apparatus (100) comprising a coolant system (10) and a coolant system (20);
the refrigerant system (10) comprises a compressor (11), a condenser (12) and an evaporator (13) which are communicated in sequence;
the cooling liquid system (20) comprises a cooling branch (21), the cooling branch (21) being capable of exchanging heat with the evaporator (13) for cooling an external device;
wherein the coolant system (20) further comprises a cleaning branch (22), the cleaning branch (22) communicating with the condenser (12) for cleaning the condenser (12).
2. The cooling apparatus (100) according to claim 1, wherein the coolant system (20) further comprises a spray device (25), the spray device (25) being connected to the cleaning branch (22) and serving to spray the condenser (12).
3. The cooling apparatus (100) according to claim 1, wherein the coolant system (20) further comprises an on-off switch (26) disposed on the cleaning branch (22).
4. The cooling apparatus (100) according to claim 3, wherein the cooling apparatus (100) further comprises a control device;
the on-off switch (26) is an electromagnetic valve, and the on-off switch (26) is electrically connected with the control device.
5. The cooling apparatus (100) according to claim 4, wherein the cooling medium system (10) further comprises a cooling fan disposed beside the condenser (12) for sucking air to cool the condenser (12);
the cooling fan is electrically connected with the control device, and the control device can control the forward and reverse rotation of the cooling fan.
6. The cooling apparatus (100) according to claim 3, wherein the cooling apparatus (100) further comprises a windage sensor for detecting a windage of the condenser (12);
when the wind resistance sensor detects that the wind resistance of the condenser (12) reaches a preset resistance value, the on-off switch (26) is turned on.
7. The cooling apparatus (100) according to claim 1, wherein the cooling liquid system (20) further comprises a main circuit (23) and a cooling liquid tank (24) located on the main circuit (23) for containing a cooling liquid;
wherein the cooling branch (21) and the cleaning branch (22) are both in communication with the main path (23).
8. The cooling apparatus (100) according to claim 7, wherein the cooling branch (21) forms a closed circuit with the main circuit (23).
9. The cooling apparatus (100) according to claim 7, wherein the condenser (12) is disposed opposite to the cooling liquid tank (24), and the cooling liquid tank (24) is opened at a position opposite to the condenser (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920571836.5U CN209857413U (en) | 2019-04-24 | 2019-04-24 | Cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920571836.5U CN209857413U (en) | 2019-04-24 | 2019-04-24 | Cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209857413U true CN209857413U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920571836.5U Active CN209857413U (en) | 2019-04-24 | 2019-04-24 | Cooling device |
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| CN (1) | CN209857413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006186A (en) * | 2019-04-24 | 2019-07-12 | 珠海格力电器股份有限公司 | Cooling apparatus and control method thereof |
-
2019
- 2019-04-24 CN CN201920571836.5U patent/CN209857413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006186A (en) * | 2019-04-24 | 2019-07-12 | 珠海格力电器股份有限公司 | Cooling apparatus and control method thereof |
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