CN111271343A - Efficient composite oil cooling machine - Google Patents
Efficient composite oil cooling machine Download PDFInfo
- Publication number
- CN111271343A CN111271343A CN202010211276.XA CN202010211276A CN111271343A CN 111271343 A CN111271343 A CN 111271343A CN 202010211276 A CN202010211276 A CN 202010211276A CN 111271343 A CN111271343 A CN 111271343A
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- CN
- China
- Prior art keywords
- compressor
- cooling
- oil
- air
- hydraulic oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 239000002131 composite material Substances 0.000 title abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 37
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 36
- 239000000523 sample Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention is suitable for an oil cooling device, and provides a high-efficiency composite oil cooling machine, which comprises: the compressor cooling loop is used for cooling the hydraulic oil by taking the compressor as a power source; the air cooling loop is used for carrying out air cooling on the hydraulic oil; and the switching device is used for cooling the hydraulic oil by the compressor cooling loop and/or the air cooling loop, and the invention has the beneficial effects that: the mode of collecting and controlling the ambient temperature is adopted, air heat exchange refrigeration at low ambient temperature is realized, air heat exchange and compressor composite refrigeration at moderate ambient temperature are realized, and compressor forced refrigeration at higher ambient temperature is realized, so that the energy consumption of the oil cooler can be greatly reduced.
Description
Technical Field
The invention relates to an oil cooling device, in particular to a high-efficiency composite oil cooling machine.
Background
With the acceleration of the industrialization process, mechanical equipment is rapidly developed. For high-end manufacturing equipment, the hydraulic system is an important functional component thereof, while for hydraulic stations, hydraulic oil temperature control is of vital importance.
Traditional hydraulic oil temperature control equipment directly adopts the refrigerated mode of compressor, even if also need the compressor start refrigeration under the lower operating mode of ambient temperature, makes temperature control system inefficiency energy consumption big.
Disclosure of Invention
The embodiment of the invention aims to provide a high-efficiency composite oil cooler, aiming at solving the technical problems in the background technology.
The embodiment of the invention is realized in such a way that the high-efficiency compound oil cooler comprises:
the compressor cooling loop is used for cooling the hydraulic oil by taking the compressor as a power source;
the air cooling loop is used for carrying out air cooling on the hydraulic oil; and
and the switching device is used for enabling the compressor cooling circuit and/or the air cooling circuit to cool the hydraulic oil.
As a further scheme of the invention: the compressor cooling circuit comprises a compressor, a condenser and an evaporator which are sequentially connected through pipelines, cooling media are arranged in the pipelines, the evaporator corresponds to the position of an oil pipe to be cooled and is used for cooling hydraulic oil to be cooled, and a circulating pump is installed on the oil pipe.
As a still further scheme of the invention: the compressor cooling circuit further includes an expansion valve and a filter mounted on the pipe.
As a still further scheme of the invention: the air cooling loop comprises an air cooler arranged on the oil pipe and used for cooling the hydraulic oil to be cooled in air.
As a still further scheme of the invention: the switching device is a bypass valve, and the bypass valve is connected with the air cooler in parallel.
As a still further scheme of the invention: the air cooler is opposite to the condenser, and the condenser and the air cooler are provided with heat radiation fans.
As a still further scheme of the invention: still include ambient temperature probe, ambient temperature probe is used for gathering ambient temperature to make auto-change over device switches the flow direction of hydraulic oil according to ambient temperature, cools off hydraulic oil with using compressor cooling circuit and/or air cooling circuit.
Compared with the prior art, the invention has the beneficial effects that: the mode of collecting and controlling the ambient temperature is adopted, air heat exchange refrigeration at low ambient temperature is realized, air heat exchange and compressor composite refrigeration at moderate ambient temperature are realized, and compressor forced refrigeration at higher ambient temperature is realized, so that the energy consumption of the oil cooler can be greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a high-efficiency composite oil cooler.
In the drawings: 1-compressor, 2-cooling fan, 3-condenser, 4-air cooler, 5-circulating pump, 6-bypass valve, 7-ambient temperature probe, 8-evaporator, 9-expansion valve, 10-filter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a structure diagram of a high-efficiency composite oil cooler provided in an embodiment of the present invention includes a compressor cooling circuit, an air cooling circuit, and a switching device, where the compressor cooling circuit is used to cool hydraulic oil by using a compressor as a power source; the air cooling loop is used for cooling the air of the hydraulic oil; the switching device is used for enabling the compressor cooling circuit and/or the air cooling circuit to cool the hydraulic oil.
In practical application, when the refrigeration pressure is low (for example, the temperature of hydraulic oil is not high), the switching device operates to enable only the air cooling circuit to operate, at the moment, the compressor cooling circuit does not operate to save energy, when the refrigeration pressure is high, the pure air cooling circuit cannot meet the refrigeration requirement, and at the moment, the compressor cooling circuit and the air cooling circuit operate simultaneously to cool the hydraulic oil; when the refrigerating pressure is high, the switching device acts to enable only the compressor cooling loop to work, and the hydraulic oil is cooled through the compressor which runs at a high speed.
As shown in fig. 1, as a preferred embodiment of the present invention, the compressor cooling circuit includes a compressor 1, a condenser 3, and an evaporator 8, which are sequentially connected through a pipeline, wherein a cooling medium is disposed in the pipeline, the evaporator 8 corresponds to an oil pipe to be cooled, and is used for cooling hydraulic oil to be cooled, and a circulation pump 5 is installed on the oil pipe.
When the compressor 1 works, the cooling medium in the compressor is made to circularly move, and at the position of the evaporator 8, the cooling medium exchanges heat with hydraulic oil to be cooled to cool the hydraulic oil.
As shown in fig. 1, as a preferred embodiment of the present invention, the compressor cooling circuit further includes an expansion valve 9 and a filter 10 installed on the pipe.
As shown in fig. 1, as a preferred embodiment of the present invention, the air cooling circuit includes an air cooler 4 mounted on the oil pipe for air-cooling the hydraulic oil to be cooled.
The air cooler 4 has various forms, and is not specifically limited herein, and the hydraulic oil can exchange heat with air when passing through the air cooler 4, so as to cool the hydraulic oil.
As shown in fig. 1, as a preferred embodiment of the present invention, the switching device is a bypass valve 6, and the bypass valve 6 is disposed in parallel with the air cooler 4.
In one aspect of the present embodiment, the bypass valve 6 is an electric bypass valve, which can achieve automatic switching without manual operation.
As shown in fig. 1, as a preferred embodiment of the present invention, the air cooler 4 is located opposite to the condenser 3, and the heat dissipation fan 2 is disposed at the condenser 3 and the air cooler 4.
That is, the condenser 3 and the air cooler 4 share the heat radiation fan 2, and of course, when the air cooler 4 is disposed separately from the condenser 3, it is also possible to have a fan or the like at their respective positions.
As shown in fig. 1, as a preferred embodiment of the present invention, an ambient temperature probe 7 is further included, and the ambient temperature probe 7 is configured to collect an ambient temperature, so that the switching device switches the flow direction of the hydraulic oil according to the ambient temperature, so as to cool the hydraulic oil by using the compressor cooling circuit and/or the air cooling circuit.
In one case of the embodiment, when the ambient temperature probe 7 detects that the ambient temperature is lower than the temperature of hydraulic oil (hereinafter referred to as oil temperature) by 10 ℃ or less, if the oil temperature is higher than a set value, the bypass valve 6 is closed, the circulating pump 5 pumps oil through the air cooler 4, the cooling fan 2 starts to operate, the hydraulic oil is cooled in the air cooler 4, and if the oil temperature is lower than the set value, the cooling fan 2 stops operating;
when the environment temperature probe 7 detects that the environment temperature is high and the oil temperature is high (exceeds the oil temperature by more than 10 ℃), the bypass valve 6 is opened, oil products flow into the evaporator 8 through the bypass valve 6 without passing through the air cooler 4, and a loop consisting of the compressor 1, the condenser 3, the expansion valve 9 and the filter 10 cools the hydraulic oil;
when the ambient temperature probe 7 detects that the ambient temperature is lower than the oil temperature and does not exceed 10 ℃, the bypass valve 6 is closed, the oil flows through the air cooler 4 and the evaporator 8, and the compressor cooling circuit and the air cooling circuit work in a combined mode.
It should be noted that the ambient temperature probe 7 does not have a switching function, and the embodiment of the present invention also relies on an external controller for controlling the opening and closing of the bypass valve 6 according to the detection result of the ambient temperature probe 7.
The embodiment of the invention provides a high-efficiency composite oil cooler, which adopts an ambient temperature acquisition control mode to realize air heat exchange refrigeration at low ambient temperature, air heat exchange refrigeration and compressor composite refrigeration at moderate ambient temperature and compressor forced refrigeration at higher ambient temperature, and the mode can greatly reduce the energy consumption of the oil cooler.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a cold machine of high-efficient compound oil which characterized in that includes:
the compressor cooling loop is used for cooling the hydraulic oil by taking the compressor as a power source;
the air cooling loop is used for carrying out air cooling on the hydraulic oil; and
and the switching device is used for enabling the compressor cooling circuit and/or the air cooling circuit to cool the hydraulic oil.
2. The efficient compound oil cooler according to claim 1, wherein the compressor cooling circuit comprises a compressor, a condenser and an evaporator which are sequentially connected through a pipeline, a cooling medium is arranged in the pipeline, the evaporator corresponds to an oil pipe to be cooled in position and is used for cooling hydraulic oil to be cooled, and a circulating pump is installed on the oil pipe.
3. The chiller according to claim 2 wherein said compressor cooling circuit further comprises an expansion valve and a filter mounted on the piping.
4. The efficient compound oil cooler according to claim 2 or 3, wherein the air cooling circuit includes an air cooler mounted on the oil pipe for air-cooling the hydraulic oil to be cooled.
5. The efficient compound oil cooler according to claim 4, wherein the switching device is a bypass valve, and the bypass valve is arranged in parallel with the air cooler.
6. The efficient compound oil cooler as recited in claim 5, wherein said air cooler is located opposite to said condenser, and said condenser and said air cooler are provided with heat dissipation fans.
7. The efficient compound oil cooler according to claim 1, 2, 3, 5 or 6, further comprising an ambient temperature probe for collecting ambient temperature, so that the switching device switches the flow direction of the hydraulic oil according to the ambient temperature, and the hydraulic oil is cooled by using the compressor cooling circuit and/or the air cooling circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211276.XA CN111271343A (en) | 2020-03-24 | 2020-03-24 | Efficient composite oil cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211276.XA CN111271343A (en) | 2020-03-24 | 2020-03-24 | Efficient composite oil cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111271343A true CN111271343A (en) | 2020-06-12 |
Family
ID=70997911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211276.XA Pending CN111271343A (en) | 2020-03-24 | 2020-03-24 | Efficient composite oil cooling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111271343A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210107795U (en) * | 2019-06-19 | 2020-02-21 | 三河同飞制冷股份有限公司 | Efficient composite oil cooling machine |
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2020
- 2020-03-24 CN CN202010211276.XA patent/CN111271343A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210107795U (en) * | 2019-06-19 | 2020-02-21 | 三河同飞制冷股份有限公司 | Efficient composite oil cooling machine |
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Application publication date: 20200612 |