CN217874106U

CN217874106U - Fan gear box constant temperature lubricating system

Info

Publication number: CN217874106U
Application number: CN202221531531.XU
Authority: CN
Inventors: 雷鹏; 吴佳; 李晓春; 王学伟
Original assignee: Sichuan Chuanrun Intelligent Fluid Technology Co ltd
Current assignee: Sichuan Chuanrun Intelligent Fluid Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-11-22
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a fan gear box constant temperature lubricating system relates to the lubricated field of gear box, including supplying oil pipe way, returning oil pipe way, gear box and air cooler, the air cooler sets up the top at the gear box to the air cooler is connected with variable frequency drive motor, the gear box output is connected with the air cooler through supplying oil pipe way, the air cooler output is connected with the gear box through returning oil pipe way, forms the circulating lubricating system of fluid, still be provided with gear pump device and filter on supplying the oil pipe way, gear pump device is close to the gear box, the output of filter is provided with temperature control valve, temperature control valve has two outputs, temperature control valve's output is through supplying oil pipe way connection air cooler, or through direct current tube coupling to gear box. The utility model discloses avoid fluid to pass through air cooler overcooling, make the oil temperature remain invariable throughout, energy-conserving noise reduction.

Description

Fan gear box constant temperature lubricating system

Technical Field

The utility model relates to a lubricated technical field of gear box, especially a fan gear box constant temperature lubricating system.

Background

In a traditional wind driven generator gear box lubricating and cooling system, a motor generally adopts a three-phase asynchronous motor, the three-phase asynchronous motor runs at full rotation speed, the cooling power of an air cooler cannot be adjusted, the air cooler always runs at designed power in use, but high power is not needed in actual work, and secondly, the motor running at full speed for a long time can cause noise influence on residential areas close to running equipment and influence the normal life of residents; under lower ambient temperature, when the air cooler excessively cools oil or runs just after shutting down, the air cooler directly condenses the oil, and the oil passing through the plate piece cannot be cooled normally through the runner, so, in order to solve the above problems, the constant-temperature lubricating system for the fan gear box is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a fan gear box constant temperature lubricating system, mainly solves ordinary motor energy consumption, the big problem of noise to and the high-speed operation of forced air cooling causes the scheduling problem that fluid condenses under the low temperature environment.

The utility model adopts the technical scheme as follows:

the utility model relates to a fan gear case constant temperature lubricating system, including supplying oil pipe way, returning oil pipe way, gear box and air cooler, the air cooler sets up the top at the gear box to the air cooler is connected with variable frequency drive motor, the gear box output is connected with the air cooler through supplying oil pipe way, the air cooler output is connected with the gear box through returning oil pipe way, forms the circulating lubricating system of fluid, still be provided with gear pump device and filter on supplying oil pipe way, gear pump device is close to the gear box, provides power for lubricating system's fluid circulation, the output of filter is provided with temperature control valve, temperature control valve has two outputs, temperature control valve's output is through supplying oil pipe way connection air cooler, or through direct current tube coupling to gear box, control fluid carries to the air cooler or through direct current tube way direct reflux to the gear box through supplying oil pipe way.

Furthermore, still be provided with pressure transmitter on the oil supply line between gear pump unit and the filter for detect oil supply line pressure, still be connected with the relief pressure pipeline between gear pump unit output and the gear box, set up the relief valve on the relief pressure pipeline.

Furthermore, the oil supply pipeline, the oil return pipeline, the direct-current pipeline and the pressure reduction pipeline are all oil liquid conveying hoses.

Furthermore, a differential pressure signal transmitter is arranged on the filter and used for monitoring whether the filter is blocked or not.

Further, a first platinum thermal resistor is arranged on the gear box.

Further, an inlet and an outlet of the air cooler are respectively provided with a second platinum thermal resistor and a third platinum thermal resistor.

Further, the air cooler comprises a fan, a plate and a through bypass, wherein the fan is connected with the variable-frequency driving motor and used for cooling the liquid oil passing through the plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model relates to a fan gear box constant temperature lubricating system, change air cooler motor into variable frequency driving motor, set up platinum resistance detection temperature at air cooler exit, through the operation of import and export temperature control air cooler, under the lower circumstances of ambient temperature, guarantee that fluid passes through low-speed pivoted sub cooler, avoid the overcooling, cause fluid to condense, under the higher circumstances of ambient temperature, guarantee that fluid passes through high-speed pivoted air cooler, thus make the exit temperature keep at the invariable value all the time, reduce the consumption of the energy simultaneously; when the temperature of the oil is lower, the oil directly flows back to the gear box through the direct-current pipeline, and the oil is prevented from being excessively cooled through the air cooler.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:

fig. 1 is a system structure diagram of the present invention.

The reference numbers illustrate: the system comprises a gear box 1, a gear pump device 2, a filter 3, a differential pressure signal generator 31, an air cooler 4, an oil supply pipeline 5, an oil return pipeline 6, a temperature control valve 7, a direct current pipeline 8, a pressure transmitter 9, a pressure reducing pipeline 10, a safety valve 11, a first platinum thermal resistor 12, a second platinum thermal resistor 13 and a third platinum thermal resistor 14.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

It is to be understood that the terms "upper", "lower", "left", "right", and the like, are used in an orientation or positional relationship based on that shown in the figures, merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The features and properties of the present invention will be described in further detail with reference to the following examples.

Example one

As shown in fig. 1, the utility model relates to a fan gear case constant temperature lubricating system, including supplying oil pipe way 5, returning oil pipe way 6, gear box 1 and air cooler 4, air cooler 4 sets up the top at the gear box to air cooler 4 is connected with variable frequency drive motor, gear box 1 output is connected with air cooler 4 through supplying oil pipe way 5, air cooler 4 output is connected with gear box 1 through returning oil pipe way 6, forms the circulating lubricating system of fluid, still be provided with gear pump device 2 and filter 3 on supplying oil pipe way 5, gear pump device 2 is close to gear box 1, provides power for lubricating system's fluid circulation, the output of filter 3 is provided with temperature control valve 7, temperature control valve 7 has two outputs, temperature control valve 7's output is connected air cooler 4 through supplying oil pipe way 5, or is connected to gear box 1 through direct current pipeline 8, and control fluid carries to air cooler 4 or supplies oil to gear box 1 through direct reflux through direct current pipeline 8 through supplying oil pipe way 5.

In wind power generation, the gear in the gear box rotates and needs oil to lubricate, and the temperature of the oil rises in the gear rotating process, so the temperature of the lubricating oil needs to be reduced, the lubricating system of the utility model comprises the gear box 1, the gear pump device 2, the filter 3 and the wind cooler 4, the oil in the gear box 1 is pumped by the gear pump device 2, filtered by the oil supply pipeline 5 and filtered by the filter 3, so as to filter particle impurities in the oil, when the oil temperature of the oil is less than 45 ℃, the filtered oil directly flows back to the gear box 1 through the direct current pipeline 8 by controlling the temperature control valve 7; when the oil temperature of the oil is higher than 45 ℃, the oil is controlled by the temperature control valve 7 to be conveyed to the air cooler 4 through the oil supply pipeline 5, the oil is cooled by air through the air cooler 4, and finally flows into the gear box 1 through the oil return pipeline 6, so that the oil cooling circulation of the whole lubricating system is completed, and the phenomenon that the oil is cooled by the air cooler 4 to cause the condensation of the oil when the oil temperature is too low is avoided. It is worth mentioning, the utility model discloses an air cooler 4 adopts variable frequency drive motor as power, can be according to ambient temperature and fluid temperature variation power to control air cooler 4 to the cooling degree of fluid, and, reduce air cooler 4 power consumptions, from on the other hand, compare former threephase asynchronous machine, variable frequency drive motor can also the noise abatement to resident's influence on every side.

Example two

This embodiment is a further explanation of the present invention.

As shown in fig. 1, this embodiment is on the basis of the first embodiment in the utility model relates to a preferred embodiment, still be provided with pressure transmitter 9 on the oil supply pipeline 5 between gear pump unit 2 and the filter 3 for detect oil supply pipeline 5 pressure, still be connected with decompression pipeline 10 between 2 output of gear pump unit and the gear box 1, set up relief valve 11 on the decompression pipeline 10.

Preferably, the oil supply pipeline 5, the oil return pipeline 6, the direct-flow pipeline 8 and the pressure reduction pipeline 10 are all oil liquid conveying hoses.

This embodiment adopts above-mentioned structure on the basis of embodiment one, detects oil supply pipeline 5 pressure through pressure transmitter 9, avoids liquid oil pressure too big, and when liquid oil pressure exceeded the default, relief valve 11 opened, and partial liquid oil flows back to gear box 1 through decompression pipeline 10 in, reduces pressure to oil supply pipeline 5. In this embodiment, each pipeline is a hose.

EXAMPLE III

This embodiment is a further explanation of the present invention.

As shown in fig. 1, in the present embodiment, based on the above embodiment, in a preferred embodiment of the present invention, a differential pressure signal transmitter 31 is disposed on the filter 3 for monitoring whether the filter 3 is clogged.

In this embodiment, the differential pressure signal generator 31 is used to detect whether the filter 3 is clogged, and to send an alarm to remind the user to replace the filter element in time.

Example four

This embodiment is a further explanation of the present invention.

As shown in fig. 1, in the present embodiment, on the basis of the above embodiment, in a preferred embodiment of the present invention, a first platinum thermal resistor 12 is disposed on the gear box 1.

Preferably, the inlet and outlet of the air cooler 4 are respectively provided with a second platinum thermal resistor 13 and a third platinum thermal resistor 14.

Preferably, the air cooler 4 comprises a fan, a plate and a through bypass, wherein the fan is connected with the variable-frequency driving motor and used for cooling the liquid oil passing through the plate.

In this embodiment, the first platinum thermal resistor 12 is used for detecting the temperature of the liquid oil in the gear box 1, the second platinum thermal resistor 13 and the third platinum thermal resistor 14 are used for monitoring the oil temperature at the inlet and the outlet of the air cooler 4, and the operating speed of the variable frequency drive motor is controlled by the monitored oil temperature, so that the oil reaching the inside of the gear box 1 from the outlet of the air cooler 4 always maintains a constant temperature value.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be covered by the present invention without any changes or substitutions that are thought by the inventive idea in the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a fan gear box constant temperature lubricating system which characterized in that: the oil circulation type oil supply device comprises an oil supply pipeline (5), an oil return pipeline (6), a gear box (1) and an air cooler (4), wherein the air cooler (4) is arranged at the top of the gear box, the air cooler (4) is connected with a variable-frequency driving motor, the output end of the gear box (1) is connected with the air cooler (4) through the oil supply pipeline (5), the output end of the air cooler (4) is connected with the gear box (1) through the oil return pipeline (6) to form a lubricating system of oil circulation, a gear pump device (2) and a filter (3) are further arranged on the oil supply pipeline (5), the gear pump device (2) is close to the gear box (1) and provides power for the oil circulation of the lubricating system, a temperature control valve (7) is arranged at the output end of the filter (3), the temperature control valve (7) is provided with two output ends, the output end of the temperature control valve (7) is connected with the air cooler (4) through the oil supply pipeline (5) or is connected to the gear box (1) through a direct current pipeline (8), and the control oil is conveyed to the air cooler (4) or directly flows back to the gear box (1) through the oil supply pipeline (5).

2. The blower gearbox constant temperature lubrication system of claim 1, wherein: still be provided with pressure transmitter (9) on oil supply pipeline (5) between gear pump device (2) and filter (3) for detect oil supply pipeline (5) pressure, still be connected with decompression pipeline (10) between gear pump device (2) output and gear box (1), set up relief valve (11) on decompression pipeline (10).

3. The blower gearbox constant temperature lubrication system according to claim 2, wherein: the oil supply pipeline (5), the oil return pipeline (6), the direct-current pipeline (8) and the pressure reduction pipeline (10) are all oil liquid conveying hoses.

4. The blower gearbox constant temperature lubrication system of claim 1, wherein: the filter (3) is provided with a differential pressure signal transmitter (31) for monitoring whether the filter (3) is blocked.

5. The blower gearbox constant temperature lubrication system of claim 1, wherein: the gearbox (1) is provided with a first platinum thermal resistor (12).

6. The blower gearbox constant temperature lubrication system of claim 5, wherein: and the inlet and the outlet of the air cooler (4) are respectively provided with a second platinum thermal resistor (13) and a third platinum thermal resistor (14).

7. The blower gearbox constant temperature lubrication system of claim 1, wherein: the air cooler (4) comprises a fan, a plate and a through bypass, wherein the fan is connected with the variable-frequency driving motor and used for cooling the liquid oil passing through the plate.