CN202971425U - Engineering machinery and hydraulic oil heat radiating system - Google Patents
Engineering machinery and hydraulic oil heat radiating system Download PDFInfo
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- CN202971425U CN202971425U CN 201220614166 CN201220614166U CN202971425U CN 202971425 U CN202971425 U CN 202971425U CN 201220614166 CN201220614166 CN 201220614166 CN 201220614166 U CN201220614166 U CN 201220614166U CN 202971425 U CN202971425 U CN 202971425U
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- hydraulic oil
- temperature
- cooling
- pipeline
- cooling device
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 132
- 238000001816 cooling Methods 0.000 claims abstract description 80
- 230000017525 heat dissipation Effects 0.000 claims description 45
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 239000002826 coolant Substances 0.000 claims description 17
- 238000007664 blowing Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of engineering machinery, and provides engineering machinery and a hydraulic oil heat radiating system. The hydraulic oil heat radiating system comprises a temperature sensor arranged on a hydraulic oil tank and used for detecting a temperature of hydraulic oil, a first cooling device arranged on a hydraulic oil pipeline and used for cooling the hydraulic oil, a second cooling device arranged on the hydraulic oil pipeline and used for cooling the hydraulic oil, and a controller connected with the temperature sensor, the first cooling device and the second cooling device and used for controlling the first cooling device and the second cooling device to radiate heat of the hydraulic oil pipeline, wherein the temperature sensor monitors the temperature of oil in the hydraulic oil tank in real time and intelligently controls temperature reduction of the temperature of the oil so as to prevent from unnecessary heat radiating work under the condition of low temperature of the oil; and under the condition of overhigh temperature of the oil of the hydraulic oil tank, the heat is radiated by the first cooling device and the second cooling device, the heat radiating efficiency is increased, and unnecessary energy waste is reduced.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to an engineering machine tool and hydraulic oil cooling system.
Background
The hydraulic oil heat dissipation system is one of main components of a hydraulic system in the field of engineering machinery, and has the functions of dissipating heat and cooling high-temperature hydraulic oil, so that the temperature of the hydraulic oil is in the optimal working state, the service life of a hydraulic element is prolonged, and the normal work of the engineering machinery is ensured.
At present, the cooling mode of engineering machinery hydraulic oil is only a mode of opening a cooling fan, the cooling process is carried out on the hydraulic oil after the engineering machinery is started, if the hydraulic oil does not work, the fan is also in a working state and wastes energy under the condition that the oil temperature is not high, in the working process of the hydraulic oil, the temperature of the hydraulic oil is very high under a plurality of environments, the cooling of the hydraulic oil is not timely due to the fact that the fan is only used for cooling, and the oil temperature is too high, so that equipment is stopped.
Therefore, the technical problem to be solved by the technical staff in the field is solved by using a fan to dissipate heat of hydraulic oil of the existing engineering machinery, which is easy to cause energy waste when the temperature of the hydraulic oil is low and untimely to dissipate heat of the hydraulic oil when the temperature is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an engineering machine and hydraulic oil cooling system to solve current engineering machine tool and only use the fan to the hydraulic oil heat dissipation, cause the energy extravagant easily, the untimely problem of hydraulic oil heat dissipation.
On the one hand, the utility model provides a hydraulic oil cooling system, including hydraulic oil pipeline, hydraulic oil tank, still include
A detector for detecting a temperature of the hydraulic oil;
the first cooling device and the second cooling device are arranged on the hydraulic oil pipeline and used for cooling hydraulic oil;
and the controller is connected with the detector, the first cooling device and the second cooling device, and sends out control signals according to hydraulic oil temperature signals detected by the detector, so as to control the opening and closing of the first cooling device and the second cooling device.
Further, the first cooling device is a cooling liquid device; and/or
The second cooling device is a fan radiator.
Further, the detector is a temperature sensor, and the temperature sensor is installed on a hydraulic oil tank.
Further, the controller includes:
the first heat dissipation switch is connected with the temperature sensor, and when the temperature of hydraulic oil in a hydraulic oil tank detected by the temperature sensor exceeds a first preset temperature, the first heat dissipation switch starts the coolant device to work;
the second heat dissipation switch is connected with the temperature sensor, and when the temperature of hydraulic oil in a hydraulic oil tank detected by the temperature sensor exceeds a second preset temperature, the second heat dissipation switch starts the fan radiator to work; wherein,
the second predetermined temperature is higher than the first predetermined temperature.
Further, the coolant device includes:
a coolant tank;
the cooling liquid is arranged in the cooling liquid tank;
and the heat dissipation pipeline is a spiral pipeline connected with the hydraulic oil pipeline and is arranged in the cooling liquid tank.
Further, the first heat dissipation switch includes:
the electromagnetic reversing valve is connected to the hydraulic oil pipeline and used for switching the hydraulic oil pipeline to the first branch pipeline or the second branch pipeline; wherein
And a cooling liquid device is arranged on the second branch pipeline.
Further, the temperature sensor is installed on the hydraulic oil tank outer wall.
Further, the fan radiator includes:
the cooling fin is fixed on the hydraulic oil pipeline;
and the fan blows air to the radiating fins for radiating.
Further, the second heat dissipation switch includes:
and the fan control switch is used for controlling the fan to be started and closed.
According to another aspect of the present invention, the present invention further provides an engineering machine, including the hydraulic oil cooling system described in any one of the above embodiments.
Compared with the prior art, the beneficial effects of the utility model
The utility model provides a hydraulic oil cooling system, which comprises a temperature sensor which is arranged on a hydraulic oil tank and is used for detecting the temperature of hydraulic oil; the first cooling device is arranged on the hydraulic oil pipeline and used for cooling hydraulic oil; the second cooling device is installed on the hydraulic oil pipeline and used for cooling hydraulic oil; and the controller is connected with the temperature sensor, the first cooling device and the second cooling device and is used for controlling the first cooling device and the second cooling device to dissipate heat of the hydraulic oil pipeline. . The utility model discloses a set up temperature sensor on the hydraulic oil tank, the temperature of fluid in the temperature sensor real-time supervision hydraulic oil tank to carry out the intelligent control cooling to the fluid temperature, in order to prevent under the not high condition of fluid temperature, carry out unnecessary heat dissipation work, carry out fan cooling and coolant liquid heat dissipation simultaneously under the too high condition of hydraulic oil tank fluid temperature, improve the radiating efficiency, it is extravagant to reduce the unnecessary energy.
Drawings
Fig. 1 is a schematic structural diagram of a specific application of an embodiment of the present invention;
fig. 2 is a schematic block diagram of an embodiment of the present invention.
Description of reference numerals: 1. a hydraulic oil line; 11. a first branch line; 12. a second branch line; 2. a hydraulic oil tank; 21. hydraulic oil; 3. a temperature sensor; 4. a coolant device; 41. a coolant tank; 41a, cooling liquid; 42. a heat dissipation pipe; 5. a fan radiator; 51. a heat sink; 52. a fan.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the description and sequence of descriptions of specific structures in this section are merely illustrative of specific embodiments and should not be construed as limiting the scope of the invention in any way.
The utility model provides a hydraulic oil cooling system, as shown in fig. 1 and fig. 2, comprising a temperature sensor 3 which is arranged on a hydraulic oil tank 2 and is used for detecting the temperature of hydraulic oil; a first cooling device installed on the hydraulic oil line 1 (branch line thereof) for cooling the hydraulic oil; a second cooling device installed on the hydraulic oil pipeline 1 for cooling the hydraulic oil; the controller is connected with the temperature sensor 3, the first cooling device and the second cooling device and is used for controlling the first cooling device and the second cooling device to dissipate heat of the hydraulic oil pipeline 1.
Preferably, the first cooling device is a coolant device 4; the second cooling device is a fan radiator 5; of course, the first cooling device and the second cooling device in the present invention may be other devices capable of cooling the hydraulic oil.
As shown in fig. 1 and 2, the temperature sensor 3 is disposed outside the hydraulic oil tank 2, the temperature probe is mounted in the hydraulic oil 21 in the hydraulic oil tank 2 and is used for measuring the temperature of the hydraulic oil 21, and the temperature sensor 3 may also be disposed on the hydraulic oil pipeline 1; and then the temperature signal is transmitted to the controller, and the controller controls the fan radiator 5 to radiate the hydraulic oil 21 or controls the fan radiator 5 and the cooling liquid device 4 to radiate the hydraulic oil 21 at the same time according to the temperature of the hydraulic oil.
Preferably, as shown in fig. 2, the controller includes: the first heat dissipation switch is connected with the temperature sensor 3, and when the temperature of the hydraulic oil in the hydraulic oil tank 2 detected by the temperature sensor 3 exceeds a first preset temperature, the first heat dissipation switch starts the coolant device 4 to work; and the second heat dissipation switch is connected with the temperature sensor 3, and when the temperature of the hydraulic oil in the hydraulic oil tank 2 detected by the temperature sensor 3 exceeds a second preset temperature, the second heat dissipation switch starts the fan radiator 5 to work. Of course, the second predetermined temperature is higher than the first predetermined temperature, and the first heat dissipation switch and the second heat dissipation switch are simultaneously turned on at the second predetermined temperature.
Similarly, the controller may be configured to turn on only the second heat dissipation switch by setting the temperature to be higher than the first predetermined temperature, and turn on the first heat dissipation switch and the second heat dissipation switch simultaneously by setting the temperature to be higher than the second predetermined temperature.
As shown in fig. 1 and 2, the control part of the controller is divided into a first heat dissipation switch and a second heat dissipation switch, and the corresponding control switches are turned on at different oil temperatures, so that different heat dissipation measures can be taken for different temperatures of the hydraulic oil 21, although in this embodiment, the second predetermined temperature is higher than the first predetermined temperature. When the temperature sensor 3 detects that the temperature of the hydraulic oil 21 reaches a first preset temperature, the cooling liquid device 4 is controlled to cool the hydraulic oil 21 through a first heat dissipation switch; when temperature sensor 3 detected that the temperature of hydraulic oil 21 reaches second predetermined temperature, in order to prevent that hydraulic oil 21 high temperature, need carry out more abundant cooling to hydraulic oil, at this moment, open second heat dissipation switch again, open coolant liquid device 4 and fan radiator 5 and cool off hydraulic oil simultaneously.
Preferably, as shown in fig. 1, the coolant device 4 comprises: a coolant tank 41 containing a coolant 41 a; the heat dissipation pipeline 42 is a spiral pipeline connected with the hydraulic oil pipeline 1, the spiral pipeline is arranged in the cooling liquid tank 41, one end of the spiral pipeline is connected with an oil inlet pipe of the hydraulic oil pipeline, and the other end of the spiral pipeline is connected with an oil outlet pipe of the hydraulic oil pipeline. The cooling liquid 41a and the heat dissipation pipeline 42 arranged in the cooling liquid 41a are used for dissipating heat of the hydraulic oil, and the method is simple, fast in heat dissipation and low in energy consumption.
Further preferably, as shown in fig. 1 and 2, the first heat dissipation switch includes: the electromagnetic directional valve 43 is connected to the hydraulic oil pipeline 1 and used for switching the hydraulic oil pipeline 1 to the first branch pipeline 11 or the second branch pipeline 12; wherein the second branch line 12 is connected to the coolant device 4. A first heat dissipation switch of the controller connects the hydraulic oil pipeline to a first branch pipeline by controlling an electromagnetic directional valve, and the first branch pipeline directly returns to the hydraulic oil tank without cooling the cooling liquid device; or the first heat dissipation switch connects the hydraulic oil pipeline to the second branch pipeline by controlling the electromagnetic directional valve, and the first branch pipeline is cooled by the cooling liquid device, so that the control is more convenient.
Preferably, as shown in fig. 1, the temperature sensor 3 is installed on the outer wall of the hydraulic oil tank 2. The temperature sensor can be a device for measuring the temperature commonly used in the prior art, so that the temperature measurement is more convenient, and the controller can send signals conveniently.
Further preferably, the fan radiator 5 includes: a heat sink 51 fixed to the hydraulic oil line 1; and a fan 52 for blowing air to the heat sink 51 to dissipate heat. The second heat dissipation switch includes: and a fan control switch for controlling the fan 52 to be turned on and off.
After the temperature of the hydraulic oil detected by the temperature sensor 3 exceeds a second preset temperature, the electromagnetic directional valve controlled by the first heat dissipation switch works, and the fan control switch is turned on by the second heat dissipation switch, so that the fan radiator 5 and the cooling liquid device 4 simultaneously carry out heat dissipation cooling on the hydraulic oil to prevent the temperature of the hydraulic oil from being too high.
The utility model also provides an engineering machine tool, this engineering machine tool set up the foretell hydraulic oil cooling system of arbitrary item. Since the hydraulic oil cooling system has the technical effects, the engineering machinery provided with the hydraulic oil cooling system also has corresponding technical effects, and the specific implementation process is similar to that of the embodiment, which is not described herein again.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a hydraulic oil cooling system, includes hydraulic oil pipeline (1), hydraulic oil tank (2), its characterized in that: also comprises
A detector for detecting a temperature of the hydraulic oil;
a first cooling device and a second cooling device which are arranged on the hydraulic oil pipeline (1) and used for cooling hydraulic oil;
and the controller is connected with the detector, the first cooling device and the second cooling device, and sends out control signals according to hydraulic oil temperature signals detected by the detector, so as to control the opening and closing of the first cooling device and the second cooling device.
2. The hydraulic oil cooling system of claim 1, wherein: the first cooling device is a cooling liquid device (4); and/or
The second cooling device is a fan radiator (5).
3. The hydraulic oil cooling system of claim 2, wherein: the detector is a temperature sensor (3), and the temperature sensor (3) is installed on the hydraulic oil tank (2).
4. The hydraulic oil cooling system of claim 3, wherein: the controller includes:
the first heat dissipation switch is connected with the temperature sensor (3), and when the temperature of hydraulic oil in the hydraulic oil tank (2) detected by the temperature sensor (3) exceeds a first preset temperature, the first heat dissipation switch starts the coolant device (4) to work;
the second heat dissipation switch is connected with the temperature sensor (3), and when the temperature of hydraulic oil in the hydraulic oil tank (2) detected by the temperature sensor (3) exceeds a second preset temperature, the second heat dissipation switch starts the fan radiator (5) to work; wherein,
the second predetermined temperature is higher than the first predetermined temperature.
5. The hydraulic oil cooling system of claim 4, wherein: the cooling liquid device (4) comprises:
a coolant tank (41);
a coolant disposed in the coolant tank (41);
and the heat dissipation pipeline (42) is a spiral pipeline connected with the hydraulic oil pipeline and is arranged in the cooling liquid tank (41).
6. The hydraulic oil cooling system of claim 5, wherein: the first heat dissipation switch includes:
the electromagnetic directional valve (43) is connected to the hydraulic oil pipeline (1) and used for switching the hydraulic oil pipeline (1) to the first branch pipeline (11) or the second branch pipeline (12); wherein
And a cooling liquid device (4) is arranged on the second branch pipeline (12).
7. The hydraulic oil cooling system according to any one of claims 3 to 6, wherein: and the temperature sensor (3) is arranged on the outer wall of the hydraulic oil tank (2).
8. The hydraulic oil cooling system according to any one of claims 2 to 6, wherein: the fan radiator (5) includes:
a heat sink (51) fixed to the hydraulic oil line (1);
and a fan (52) for blowing air to the heat sink (51) to dissipate heat.
9. The hydraulic oil cooling system of claim 4, wherein: the second heat dissipation switch includes:
and the fan control switch is used for controlling the fan (52) to be started and closed.
10. A construction machine comprising a hydraulic oil heat dissipation system as recited in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220614166 CN202971425U (en) | 2012-11-20 | 2012-11-20 | Engineering machinery and hydraulic oil heat radiating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220614166 CN202971425U (en) | 2012-11-20 | 2012-11-20 | Engineering machinery and hydraulic oil heat radiating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971425U true CN202971425U (en) | 2013-06-05 |
Family
ID=48512509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220614166 Expired - Fee Related CN202971425U (en) | 2012-11-20 | 2012-11-20 | Engineering machinery and hydraulic oil heat radiating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971425U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452965A (en) * | 2013-09-16 | 2013-12-18 | 蒙阴县兴达机械厂 | Oil-way cooling system of small walk-behind road roller |
| CN103470577A (en) * | 2013-10-10 | 2013-12-25 | 益和电气集团股份有限公司 | Hydraulic oil cooler |
| CN104071698A (en) * | 2014-07-18 | 2014-10-01 | 徐州重型机械有限公司 | Crane hydraulic oil temperature control system, method and crane |
| CN104235121A (en) * | 2013-06-09 | 2014-12-24 | 上海梅山钢铁股份有限公司 | Hydraulic oil tank temperature control method and device |
| CN111168460A (en) * | 2020-01-19 | 2020-05-19 | 浙江恒大数控装备有限公司 | Numerical control machine tool |
| CN111845925A (en) * | 2019-04-25 | 2020-10-30 | 山东奔跑智能科技有限公司 | Direction machine cooling system for engineering machinery |
| CN113319174A (en) * | 2021-05-28 | 2021-08-31 | 浙江诸暨欧洁不锈钢制品有限公司 | Stainless steel forming device and using method thereof |
-
2012
- 2012-11-20 CN CN 201220614166 patent/CN202971425U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235121A (en) * | 2013-06-09 | 2014-12-24 | 上海梅山钢铁股份有限公司 | Hydraulic oil tank temperature control method and device |
| CN104235121B (en) * | 2013-06-09 | 2017-06-23 | 上海梅山钢铁股份有限公司 | A kind of temperature controlled method and apparatus of hydraulic oil container |
| CN103452965A (en) * | 2013-09-16 | 2013-12-18 | 蒙阴县兴达机械厂 | Oil-way cooling system of small walk-behind road roller |
| CN103470577A (en) * | 2013-10-10 | 2013-12-25 | 益和电气集团股份有限公司 | Hydraulic oil cooler |
| CN104071698A (en) * | 2014-07-18 | 2014-10-01 | 徐州重型机械有限公司 | Crane hydraulic oil temperature control system, method and crane |
| CN111845925A (en) * | 2019-04-25 | 2020-10-30 | 山东奔跑智能科技有限公司 | Direction machine cooling system for engineering machinery |
| CN111168460A (en) * | 2020-01-19 | 2020-05-19 | 浙江恒大数控装备有限公司 | Numerical control machine tool |
| CN113319174A (en) * | 2021-05-28 | 2021-08-31 | 浙江诸暨欧洁不锈钢制品有限公司 | Stainless steel forming device and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151120 |
|
| EXPY | Termination of patent right or utility model |