CN214465986U - Fan gear box oil temperature cooling device - Google Patents
Fan gear box oil temperature cooling device Download PDFInfo
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- CN214465986U CN214465986U CN202022739280.1U CN202022739280U CN214465986U CN 214465986 U CN214465986 U CN 214465986U CN 202022739280 U CN202022739280 U CN 202022739280U CN 214465986 U CN214465986 U CN 214465986U
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Abstract
A fan gearbox oil temperature cooling device relates to the technical field of gearbox oil cooling, and solves the problems that the oil temperature cooling device is short in service life and easy to affect the normal operation of a gearbox, and comprises a heat exchanger, a filter, an oil inlet pipeline, a distributor, a temperature sensor, a controller, a contactor and a straight-through valve, wherein one end of the oil inlet pipeline is connected with an oil outlet of the filter, the other end of the oil inlet pipeline is connected with an oil inlet of the distributor, the straight-through valve is arranged on the oil inlet pipeline, one end of a heat dissipation pipeline is connected with an oil outlet of the filter, the other end of the heat dissipation pipeline is connected with an oil inlet of the distributor, the oil outlet of the distributor is connected with the gearbox, and the heat exchanger is arranged on a heat dissipation pipeline; the temperature sensor is used for detecting the oil temperature of the gearbox to obtain an oil temperature signal, the temperature sensor is connected with the controller, the controller is connected with the contactor, the contactor is connected with the through valve, the temperature sensor transmits the sensed oil temperature signal to the controller, and the controller controls the on-off of the through valve through the contactor. The utility model discloses a longe-lived, make gear box operational reliability and stability improve greatly.
Description
Technical Field
The utility model relates to a fan gear box oil cooling technical field, concretely relates to fan gear box oil temperature cooling device.
Background
With the rapid development of the wind power industry, the reliability of the generator set becomes an important index which cannot be ignored, and the operational reliability of the gear box is a key ring in the reliability of the whole machine, so that the operational reliability and the stability of the gear box have great influence on the guarantee of the generating capacity of the generator set.
As shown in fig. 1, a temperature control valve 3 is adopted in an existing fan gearbox oil cooling system, the temperature control valve 3 is divided into a temperature sensing device and a valve body, the core part of the temperature sensing device is that a temperature sensing material drives the valve body to change through temperature change to achieve oil circuit connection and disconnection, but the temperature sensing material has a service life, the temperature sensing material is damaged due to long-term work, the temperature control valve 3 fails, the temperature control valve 3 used by an on-site fan is installed in a valve island and is not easy to judge, and after the temperature control valve 3 is damaged, gear oil cannot be cooled through air cooling, so that the temperature of lubricating oil is high, and the temperature of the lubricating oil is high due to the fact that whether the temperature control valve 3 is damaged or not is difficult to judge, so that a unit is stopped too long and the generated energy is lost. The temperature control valve 3 belongs to consumable items, the design service life is usually 2 years, but the complexity and the maintenance of the operation condition of the wind turbine generator are difficult to timely cause the temperature control valve 3 to be invalid when the design service life is not due. The situation is more prominent in summer, the temperature is higher in summer, the temperature control valve 3 is in an open state for a long time, the precipitation speed of copper powder in the temperature sensing package is accelerated, and the failure of the temperature control valve 3 is accelerated. Even a part of the fan in summer needs to be replaced by 2-3 temperature control valves 3. At present, the failure phenomenon of the temperature control valve 3 commonly exists in the fans of the whole wind power plant, the normal operation of the fans is influenced, and the consequence of large-area load reduction and power limitation or more serious shutdown is generated.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that current fan gear box oil temperature cooling device life-span is short, easily influence gear box normal operating, the utility model provides a fan gear box oil temperature cooling device.
The utility model discloses a solve the technical scheme that technical problem adopted as follows:
a fan gear box oil temperature cooling device comprises a heat exchanger, a filter, an oil inlet pipeline, a distributor, a temperature sensor, a controller, a contactor and a straight-through valve, wherein one end of the oil inlet pipeline is connected with an oil outlet of the filter, the other end of the oil inlet pipeline is connected with an oil inlet of the distributor, the straight-through valve is arranged on the oil inlet pipeline, one end of a heat dissipation pipeline is connected with the oil outlet of the filter, the other end of the heat dissipation pipeline is connected with an oil inlet of the distributor, the oil outlet of the distributor is connected with a gear box, and the heat exchanger is arranged on the heat dissipation pipeline;
the temperature sensor is used for detecting the oil temperature of the gearbox to obtain an oil temperature signal, the temperature sensor is connected with the controller, the controller is connected with the contactor, the contactor is connected with the through valve, the temperature sensor transmits the sensed oil temperature signal to the controller, and the controller controls the on-off of the through valve through the contactor.
Furthermore, the straight-through valve adopts an electric straight-through ball valve.
Further, the heat exchanger is used for cooling the oil temperature in the heat dissipation pipeline.
Further, the filter also comprises a pump set, and the pump set is connected with the filter.
Furthermore, a temperature threshold value is preset in the controller, when an oil temperature signal sensed by the temperature sensor is greater than the preset threshold value, the controller controls the through valve to be closed through the contactor, and when the oil temperature signal sensed by the temperature sensor is less than or equal to the threshold value, the controller controls the through valve to be opened through the contactor.
The utility model has the advantages that:
the utility model relates to a fan gear box oil temperature cooling device passes through temperature sensor real-time supervision gear box oil temperature to through direct valve, make its service life promote greatly, not only practiced thrift old-fashioned temperature-sensing valve's replacement cost, can also reduce equipment trouble, make security, the gear box operational reliability and the stability of equipment improve greatly, lead to reducing the high probability of reporting to the police and shutting down of gear box temperature, avoid the loss generated energy.
Drawings
Fig. 1 is a structural diagram of a conventional fan gearbox oil temperature cooling device.
Fig. 2 is the utility model discloses a fan gear box oil temperature cooling device's structure chart.
Fig. 3 is the circuit connection diagram of the oil temperature cooling device of the fan gear box of the present invention.
In the figure: 1. the system comprises a pump set, 2, a filter, 3, a temperature control valve, 4, a heat dissipation pipeline, 5, a heat exchanger, 6, a distributor, 7, an oil inlet pipeline, 8, a straight-through valve, 9, a temperature sensor, 10, a controller, 11, a contactor, 12 and a motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A fan gear box oil temperature cooling device comprises a heat exchanger 5, a temperature sensor 9, a controller 10, a contactor 11, a straight-through valve 8, a distributor 6 and a filter 2; a pump unit 1 is also included.
Referring to fig. 2, the oil outlet of the filter 2 is connected to one end of an oil inlet pipeline 7, the other end of the oil inlet pipeline 7 is connected to the oil inlet of the distributor 6, and a straight-through valve 8 is arranged on the oil inlet pipeline 7. The straight-through valve 8 adopts an electric straight-through ball valve. The pump unit 1 is connected with the filter 2, the pump unit 1 is positioned between the filter 2 and the oil tank, and oil in the oil tank is pumped to the filter 2 through the pump unit 1. An oil outlet of the filter 2 is connected with one end of a heat dissipation pipeline 4, the other end of the heat dissipation pipeline 4 is connected with an oil inlet of a distributor 6, and a heat exchanger 5 is arranged on the heat dissipation pipeline 4. The heat exchanger 5 is used for cooling the oil temperature in the heat dissipation pipeline 4. The oil outlet of the distributor 6 is connected with the gear box. The oil enters the gearbox via the distributor 6 and finally returns to the oil tank.
The temperature sensor 9 is used for detecting the oil temperature of the gearbox to obtain an oil temperature signal, the temperature sensor 9 is connected with the controller 10, the controller 10 is connected with the contactor 11, the contactor 11 is connected with the through valve 8, the contactor 11 is used for controlling the on-off of the through valve 8, the temperature sensor 9 transmits the oil temperature signal to the controller 10, the controller 10 controls the on-off of the through valve 8 through the contactor 11 according to the oil temperature signal, a temperature threshold value is preset in the controller 10, when the oil temperature signal sensed by the temperature sensor 9 is larger than the preset threshold value, the controller 10 controls the through valve 8 to be closed through the contactor 11 according to the oil temperature signal, and when the oil temperature signal sensed by the temperature sensor 9 is smaller than or equal to the threshold value, the controller 10 controls the through valve 8 to be opened (a pipeline is conducted) through the contactor 11 according to the oil temperature signal. A connection diagram of a controller 10, a contactor 11, a temperature sensor 9 and a motor 12 of a through valve 8 is shown in fig. 3, the temperature sensor 9 monitors the oil temperature of a gearbox in real time, the contactor 11 is controlled according to the oil temperature, the contactor 11 controls a motor of the motor 12 to open or close the through valve 8, the rated current of the through valve 8 is 0.56A, the rated current of the contactor 11 in a control circuit of the embodiment is 9A, the redundancy of 8.44A is realized, and the design requirements are met.
The utility model discloses can improve technically among the prior art, specifically take out temperature-sensing valve 3, two oil-outs below the filter 2 filter cores of filter will advance the oil pipe of gear box and pull down to connect new oil pipe promptly oil feed oil pipe, oil feed oil pipe connects through valve 8, directly advances in the middle of the oil feed oil pipe of gear box in other words and establishes ties a through valve 8.
For example, the preset temperature threshold value in the controller 10 is 40 ℃, when the temperature of the oil in the gearbox does not exceed 40 ℃, the through valve 8 is opened, the oil inlet pipeline 7 is communicated, and the oil flowing out from the oil outlet of the filter 2 returns to the gearbox through the heat radiation pipeline 4 and the oil inlet pipeline 7. When the temperature of the oil in the gearbox does not exceed 40 ℃, the straight-through valve 8 is closed, the oil inlet pipeline 7 is not communicated, and the oil flowing out of the oil outlet of the filter 2 returns to the gearbox through the heat dissipation pipeline 4.
The utility model relates to a fan gear box oil temperature cooling device passes through temperature sensor 9 real-time supervision gear box oil temperature to through valve 8, make its service life promote greatly, not only practiced thrift old-fashioned temperature-sensing valve 3's replacement cost, can also reduce equipment trouble, make security, gear box operational reliability and the stability of equipment improve greatly, lead to reducing the high probability of reporting to the police and shutting down of gear box temperature, avoid losing the generated energy.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A fan gearbox oil temperature cooling device comprises a heat exchanger (5), a filter (2), an oil inlet pipeline (7) and a distributor (6), and is characterized by further comprising a temperature sensor (9), a controller (10), a contactor (11) and a through valve (8), wherein one end of the oil inlet pipeline (7) is connected with an oil outlet of the filter (2), the other end of the oil inlet pipeline is connected with an oil inlet of the distributor (6), the through valve (8) is arranged on the oil inlet pipeline (7), one end of a heat dissipation pipeline (4) is connected with the oil outlet of the filter (2), the other end of the heat dissipation pipeline is connected with the oil inlet of the distributor (6), the oil outlet of the distributor (6) is connected with the gear box, and the heat exchanger (5) is arranged on the heat dissipation pipeline (4);
the temperature sensor (9) is used for detecting the oil temperature of the gearbox to obtain an oil temperature signal, the temperature sensor (9) is connected with the controller (10), the controller (10) is connected with the contactor (11), the contactor (11) is connected with the through valve (8), the temperature sensor (9) transmits the sensed oil temperature signal to the controller (10), and the controller (10) controls the on-off of the through valve (8) through the contactor (11).
2. The fan gearbox oil temperature cooling device as claimed in claim 1, characterized in that the straight-through valve (8) is an electric straight-through ball valve.
3. The fan gearbox oil temperature cooling device as claimed in claim 1, characterized in that the heat exchanger (5) is used for cooling the oil temperature in the heat dissipation pipeline (4).
4. The fan gearbox oil temperature cooling device as claimed in claim 1, characterized by further comprising a pump unit (1), wherein the pump unit (1) is connected with a filter (2).
5. The fan gearbox oil temperature cooling device according to claim 1, wherein a temperature threshold value is preset in the controller (10), when an oil temperature signal sensed by the temperature sensor (9) is greater than the preset threshold value, the controller (10) controls the through valve (8) to be closed through the contactor (11) according to the temperature threshold value, and when the oil temperature signal sensed by the temperature sensor (9) is less than or equal to the threshold value, the controller (10) controls the through valve (8) to be opened through the contactor (11) according to the temperature threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739280.1U CN214465986U (en) | 2020-11-24 | 2020-11-24 | Fan gear box oil temperature cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739280.1U CN214465986U (en) | 2020-11-24 | 2020-11-24 | Fan gear box oil temperature cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465986U true CN214465986U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022739280.1U Active CN214465986U (en) | 2020-11-24 | 2020-11-24 | Fan gear box oil temperature cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465986U (en) |
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2020
- 2020-11-24 CN CN202022739280.1U patent/CN214465986U/en active Active
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