CN214537469U - Cooling device - Google Patents
Cooling device Download PDFInfo
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- CN214537469U CN214537469U CN202120580587.3U CN202120580587U CN214537469U CN 214537469 U CN214537469 U CN 214537469U CN 202120580587 U CN202120580587 U CN 202120580587U CN 214537469 U CN214537469 U CN 214537469U
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Abstract
The utility model provides a cooling device, include: a cooling machine unit; the liquid storage tower is higher than the cooling machine set; a first pipeline connecting the liquid storage tower and the cooling unit; a second pipeline connecting the liquid storage tower and the cooling unit; a third pipe communicating the first pipe and the second pipe; a first proportional valve installed in the third pipe; a liquid pump installed in the first pipe between the chiller unit and the third pipe; and a heater installed in the first duct between the cooling unit and the third duct. The heater in the cooling device has short heating time to the liquid, less electric energy consumption and improved heating efficiency.
Description
Technical Field
The utility model relates to a cooling technology field, concretely relates to cooling device.
Background
In various industrial production processes, heat is generated during working due to mechanical, mold, chemical reaction and the like, and when the temperature exceeds the bearing degree of materials, the product quality is unstable, so that the temperature needs to be reduced.
The water chiller during operation also can produce the heat, water chiller unit normal work needs to carry out timely heat dissipation and handles, the radiating mode generally divide into air-cooled and two kinds of water-cooled, air-cooled water chiller dispels the heat through water chiller from taking the fan, water-cooled water chiller dispels the heat for water chiller unit through cooling system, cooling system includes cooling water pump, cooling tower and cooling tower fan, cooling water is extracted to water chiller unit inside by cooling tower through cooling water pump, the cooling water behind the absorption heat gets into the cooling tower through the wet return, the cooling tower fan gives off the heat to the air, the cooling water after the heat dissipation gets back to water chiller unit once more, get back to the cooling tower again after the heat that water chiller unit gived off and dispel the heat, so circulate.
The currently used water-cooled water chiller has the defects that the temperature of cooling water is too low in severe cold weather, so that the exhaust pressure of a water chiller unit is too low, lubricating oil of a compressor of the water chiller is pushed by the exhaust pressure, oil pressure cannot be built when the temperature of the cooling water is too low, oil pressure difference protection can act, and the water chiller unit cannot be started.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art water chiller and having the defect that cooling tower heating efficiency is low under cold environment to a cooling device is provided.
The utility model provides a cooling device, include: a cooling machine unit; the liquid storage tower is higher than the cooling machine set; a first pipeline connecting the liquid storage tower and the cooling unit; a second pipeline connecting the liquid storage tower and the cooling unit; a third pipe communicating the first pipe and the second pipe; a first proportional valve installed in the third pipe; a liquid pump installed in the first pipe between the chiller unit and the third pipe; and a heater installed in the first duct between the cooling unit and the third duct.
Optionally, the heater is located in a first conduit between the liquid pump and the chiller unit.
Optionally, the method further includes: a temperature sensor located in a first conduit between the heater and the chiller unit.
Optionally, the method further includes: and the second proportional valve is positioned in the first pipeline between the liquid storage tower and the third pipeline.
Optionally, the method further includes: and the third proportional valve is positioned in the second pipeline between the liquid storage tower and the third pipeline.
Optionally, the method further includes: and the refrigeration fan is positioned at the top of the liquid storage tower and is suitable for dissipating heat of liquid in the liquid storage tower.
Optionally, the cooling machine set is an ice-water machine set; the liquid storage tower is a water tower; the liquid pump is a water pump.
Optionally, the cooling unit has a start temperature threshold, when the temperature sensed by the temperature sensor is higher than the start temperature threshold, the cooling unit is adapted to be in a start state, the first proportional valve is adapted to be in a closed state, the first pipe between the liquid storage tower and the cooling unit is adapted to be in a conduction state, the second pipe between the liquid storage tower and the cooling unit is adapted to be in a conduction state, the heater is adapted to be in a closed state, and the liquid pump is adapted to be in an open state.
Optionally, the cooling unit has a start temperature threshold, when the temperature sensed by the temperature sensor is lower than the start temperature threshold, the cooling unit is adapted to be in a closed state, the first proportional valve is adapted to be in an open state, the first pipe between the liquid storage tower and the third pipe is adapted to be in a closed state, the second pipe between the liquid storage tower and the third pipe is adapted to be in a closed state, the heater is adapted to be in an open state, and the liquid pump is adapted to be in an open state.
Optionally, the starting temperature threshold is 14-18 ℃.
The technical scheme of the utility model following beneficial effect has:
1. the utility model discloses technical scheme provides a cooling device, include: a cooling machine unit; the liquid storage tower is higher than the cooling machine set; a first pipeline connecting the liquid storage tower and the cooling unit; a second pipeline connecting the liquid storage tower and the cooling unit; a third pipe communicating the first pipe and the second pipe; a first proportional valve installed in the third pipe; a liquid pump installed in the first pipe between the chiller unit and the third pipe; the heater is arranged in the first pipeline between the cooling machine set and the third pipeline and is suitable for heating liquid, and the heated liquid passes through the cooling machine set, so that the temperature of the cooling machine set is not lower than the temperature required by self starting. The third pipeline is communicated with the first pipeline and the second pipeline, the first pipeline, the second pipeline and the cooling unit among the third pipeline, the third pipeline and the cooling unit can form a small circulation path, the heater is installed in the first pipeline between the cooling unit and the third pipeline, namely the heater is installed in the small circulation path, and because the liquid in the small circulation path is relatively less, the heating time is short, the electric energy consumption is less and the heating efficiency is improved when the heater heats the liquid at the same temperature.
2. Further, the heater is located in the first conduit between the liquid pump and the chiller unit. The heater is close to the cooling unit, so that the temperature of the cooling unit can be rapidly increased to reach the starting condition in a short time, and the heating efficiency is further improved.
3. Further, a temperature sensor is located in the first conduit between the heater and the chiller unit. The temperature sensor can sense the temperature of the liquid in the first pipeline, and confirms whether the temperature reaches the starting temperature threshold value of the cooling unit, so that whether the cooling unit reaches the starting condition is confirmed.
4. Further, a second proportional valve is located in the first conduit between the liquid storage tower and the third conduit. When the temperature sensed by the temperature sensor is higher than the starting temperature threshold of the cooling unit and the cooling unit is started, the second proportional valve is opened, and liquid in the liquid storage tower flows into the cooling unit through the first pipeline to cool the cooling unit. When the temperature that the temperature-sensing ware responded to was less than the start-up temperature threshold value of cooling machine unit and the cooling machine unit was closed, the second proportional valve was closed, and liquid in the stock solution tower can not flow into the cooling machine unit through first pipeline, and first pipeline needs the liquid of heating less relatively, and the cooling machine unit can be faster open, and heating efficiency is high.
5. Further, a third proportional valve is located in the second pipeline between the liquid storage tower and the third pipeline. When the temperature sensed by the temperature sensor is higher than the starting temperature threshold of the cooling unit and the cooling unit is started, the third proportional valve is opened, liquid passing through the cooling unit flows into the liquid storage tower through the second pipeline and radiates heat in the liquid storage tower, and cooling of the cooling unit is achieved. When the temperature that the temperature-sensing ware responded to was less than the start-up temperature threshold value of cooling machine unit and the cooling machine unit was closed, the third proportional valve was closed, and the heat in the liquid is difficult to distribute, and the liquid that first pipeline need heat is less relatively, and the cooling machine unit can be faster opens, and heating efficiency is high.
6. Furthermore, the refrigeration fan is located the top of stock solution tower, and the refrigeration fan can take away the heat of liquid in the stock solution tower to reduce the temperature of liquid, and then reduce the temperature of ice water machine unit.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cooling device according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
In the ice water machine device provided by the prior art, the heater is arranged in the cooling tower, the cooling tower has more liquid, and the cooling tower has a cooling function, so that excessive useless work is generated, and therefore, the heater has long heating time, high electric energy consumption and low heating efficiency.
On the basis, the present embodiment provides a cooling apparatus, please refer to fig. 1, including: a cooling unit 8; the liquid storage tower 7 is higher than the cooling machine set 8 in height; a first pipe 9 connecting the liquid storage tower 7 and the cooling unit 8; a second pipe 10 connecting the liquid storage tower 7 and the cooling unit 8; a third duct 11 communicating the first duct 9 and the second duct 10; a first proportional valve 1 installed in the third pipe 11; a liquid pump 4 installed in the first pipe 9 between the cooling unit 8 and the third pipe 11; and a heater 5 installed in the first duct 9 between the cooling unit 8 and the third duct 11.
The third pipeline 11 is communicated with the first pipeline 9 and the second pipeline 10, so that the third pipeline 11, the first pipeline 9 and the second pipeline 10 between the third pipeline 11 and the cooling unit 8 form a small circulation path, the heater 5 is installed in the first pipeline 9 between the cooling unit 8 and the third pipeline 11, namely the heater 5 is installed in the small circulation path, and because the liquid in the small circulation path is relatively less, the heating time is short, the electric energy consumption is less, and the heating efficiency is improved when the heater 5 heats the liquid at the same temperature.
The liquid storage tower 7 is adapted to store liquid, including water.
In one embodiment, the heater 5 is located in the first conduit 9 between the liquid pump 4 and the chiller unit 8. The heater 5 is close to the cooling unit 8, so that the temperature of the cooling unit 8 can be rapidly increased to reach the starting condition in a short time, and the heating efficiency is further improved. In other embodiments, the heater 5 may also be located in the first conduit 9 between the liquid pump 4 and the third conduit 9.
In one embodiment, the chiller unit 8 is a chiller unit; the liquid storage tower 7 is a water tower; the liquid pump 4 is a water pump.
The interior of the cooling machine set 8 is cooled by liquid in the reflux liquid storage tower 7.
The chiller unit 8 has a start-up temperature threshold, which in one embodiment is 14 ℃ to 18 ℃, e.g., 14 ℃, 16 ℃, or 18 ℃, preferably 16 ℃. The starting temperature threshold refers to a temperature to which a compressor oil pressure difference is required to be established when the cooling unit 8 is started.
The cooling device further includes: and a temperature sensor 6 is positioned in a first pipe 9 between the heater 5 and the cooling unit 8.
The temperature sensor 6 is capable of sensing the temperature of the liquid in the first conduit 9, confirming whether the temperature of the liquid reaches a start temperature threshold of the cooling unit 8, and thus confirming whether the cooling unit 8 reaches a start condition.
The first proportional valve 1 comprises an electromagnetic proportional valve, and the temperature sensor 6 is electrically connected with the first proportional valve 1. The first proportional valve 1 can be gradually opened or gradually closed by the programmable controller according to the temperature sensed by the temperature sensor 6.
The cooling device further includes: and the second proportional valve 2 is positioned in the first pipeline 9 between the liquid storage tower 7 and the third pipeline 11.
The second proportional valve 2 comprises an electromagnetic proportional valve, and the temperature sensor 6 is electrically connected with the second proportional valve 2. The second proportional valve 2 can be gradually opened or gradually closed by the programmable controller according to the temperature sensed by the temperature sensor 6.
When the temperature sensed by the temperature sensor 6 is higher than the starting temperature threshold of the cooling unit 8 and the cooling unit 8 is opened, the second proportional valve 2 is opened, and the liquid in the liquid storage tower 7 flows into the cooling unit 8 through the first pipeline 9 to cool the cooling unit 8. When the temperature that temperature-sensing ware 6 responded is less than the start-up temperature threshold value of cooling machine unit 8 and cooling machine unit 8 closes, second proportional valve 2 closes, and the liquid in the stock solution tower 7 can not flow into cooling machine unit 8 through first pipeline 9, and first pipeline 9 needs the liquid of heating relatively less, and cooling machine unit 8 can be faster open, and heating efficiency is high.
The cooling device further includes: and the third proportional valve 3 is positioned in the second pipeline 10 between the liquid storage tower 7 and the third pipeline 11.
The third proportional valve 3 comprises an electromagnetic proportional valve, and the temperature sensor 6 is electrically connected with the third proportional valve 3. The third proportional valve 3 can be gradually opened or gradually closed by the programmable controller according to the temperature sensed by the temperature sensor 6.
Preferably, the third proportional valve 3 and the second proportional valve 2 are gradually opened at the same time or gradually closed at the same time.
When the temperature that temperature inductor 6 responded is higher than the start temperature threshold value of cooling unit 8 and cooling unit 8 opens, third proportional valve 3 opens, and the liquid through in the cooling unit 8 flows into stock solution tower 7 and gives off the heat in stock solution tower 7 through second pipeline 10, realizes the cooling of cooling unit 8. When the temperature that temperature-sensing ware 6 responded is less than the start-up temperature threshold value of cooling machine unit 8 and cooling machine unit 8 closes, third proportional valve 3 closes, and liquid does not pass through stock solution tower 7, and the heat in the liquid is difficult to distribute, and first pipeline 9 needs the liquid of heating relatively less, and cooling machine unit 8 can be faster open, and heating efficiency is high.
The cooling device further includes: and the refrigerating fan 12 is positioned at the top of the liquid storage tower 7. The refrigeration fan is adapted to dissipate heat from the liquid in the liquid storage tower 7.
The cooling fan 12 can take away the heat of the liquid in the liquid storage tower 7, so as to reduce the temperature of the liquid, and further reduce the temperature of the ice and water machine set 8.
When the temperature sensed by the temperature sensor 6 is higher than the starting temperature threshold, the cooling unit 8 is suitable for being in a starting state, the first proportional valve 1 is suitable for being in a closing state, the second proportional valve is in an opening state, the third proportional valve is in an opening state, the first pipeline 9 between the liquid storage tower 7 and the cooling unit 8 is suitable for being in a conducting state, the second pipeline 10 between the liquid storage tower 7 and the cooling unit 8 is suitable for being in a conducting state, the heater 5 is suitable for being in a closing state, and the liquid pump 4 is suitable for being in an opening state.
When the temperature sensed by the temperature sensor 6 is lower than the starting temperature threshold, the cooling unit 8 is adapted to be in a closed state, the first proportional valve 1 is adapted to be in an open state, the second proportional valve is in a closed state, the third proportional valve is in a closed state, the first pipeline 9 between the liquid storage tower 7 and the third pipeline 11 is adapted to be in a closed state, the second pipeline 10 between the liquid storage tower 7 and the third pipeline 11 is adapted to be in a closed state, the heater 5 is adapted to be in an open state, and the liquid pump 4 is adapted to be in an open state.
It should be noted that, when the temperature sensed by the temperature sensor 6 is lower than the start temperature threshold and the cooling unit 8 is started, in order to prevent the cooling device from not operating normally due to too low liquid temperature in a cold environment, the heater 5 can be in an on state, and the liquid is guaranteed to have a certain temperature.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A cooling apparatus, comprising:
a cooling machine unit;
the liquid storage tower is higher than the cooling machine set;
a first pipeline connecting the liquid storage tower and the cooling unit;
a second pipeline connecting the liquid storage tower and the cooling unit;
a third pipe communicating the first pipe and the second pipe;
a first proportional valve installed in the third pipe;
a liquid pump installed in the first pipe between the chiller unit and the third pipe;
and a heater installed in the first duct between the cooling unit and the third duct.
2. A cooling arrangement according to claim 1, wherein the heater is located in a first conduit between the liquid pump and the chiller unit.
3. The cooling apparatus according to claim 1, further comprising: a temperature sensor located in a first conduit between the heater and the chiller unit.
4. The cooling apparatus according to claim 1, further comprising: and the second proportional valve is positioned in the first pipeline between the liquid storage tower and the third pipeline.
5. The cooling apparatus according to claim 1 or 4, further comprising: and the third proportional valve is positioned in the second pipeline between the liquid storage tower and the third pipeline.
6. The cooling apparatus according to claim 1, further comprising: and the refrigeration fan is positioned at the top of the liquid storage tower and is suitable for dissipating heat of liquid in the liquid storage tower.
7. The cooling apparatus of claim 1, wherein the chiller unit is a chiller unit; the liquid storage tower is a water tower; the liquid pump is a water pump.
8. A cooling apparatus according to claim 3, wherein the chiller is adapted to assume an on-state when the temperature sensed by the temperature sensor is above the on-state temperature threshold, the first proportional valve is adapted to assume an off-state, the first conduit between the liquid storage tower and the chiller is adapted to assume an on-state, the second conduit between the liquid storage tower and the chiller is adapted to assume an on-state, the heater is adapted to assume an off-state, and the liquid pump is adapted to assume an on-state.
9. A cooling apparatus according to claim 3, wherein the chiller is adapted to assume a closed state when the temperature sensed by the temperature sensor is below the start temperature threshold, the first proportional valve is adapted to assume an open state, the first conduit between the liquid storage tower and the third conduit is adapted to assume a closed state, the second conduit between the liquid storage tower and the third conduit is adapted to assume a closed state, the heater is adapted to assume an open state, and the liquid pump is adapted to assume an open state.
10. A cooling device according to claim 8 or 9, characterized in that the start-up temperature threshold is 14-18 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580587.3U CN214537469U (en) | 2021-03-22 | 2021-03-22 | Cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120580587.3U CN214537469U (en) | 2021-03-22 | 2021-03-22 | Cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214537469U true CN214537469U (en) | 2021-10-29 |
Family
ID=78264605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120580587.3U Active CN214537469U (en) | 2021-03-22 | 2021-03-22 | Cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214537469U (en) |
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2021
- 2021-03-22 CN CN202120580587.3U patent/CN214537469U/en active Active
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