Wind driven generator rotor cooling system

Abstract

The utility model relates to the technical field of wind driven generator cooling systems, in particular to a wind driven generator rotor cooling system which comprises a shell, a heat exchanger is installed in the shell, a water inlet pipe is fixedly connected to the front end of the heat exchanger, and a water outlet pipe is fixedly connected to the position, located on the lower side of the water inlet pipe, of the front end of the heat exchanger. An air inlet is formed in the bottom of the right side of the shell, an air outlet is formed in the bottom of the left side of the shell, two sets of fans are installed on the left side of the shell, a fixing plate is arranged on the right side of the shell, a temperature sensor is installed on the inner wall of the fixing plate, and a fixing assembly is arranged on the right side of the shell. According to the utility model, through the arrangement of the fixing assembly, the temperature sensor can be mounted and dismounted in a clamping manner, so that a worker can maintain and replace the temperature sensor in the later period conveniently, the handle can be pulled to pull out the temperature sensor for maintenance, operation of the worker is facilitated, and on the contrary, the temperature sensor can be mounted, and replacement operation can be completed without using a professional tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind driven generator cooling system technical field, concretely is a kind of wind driven generator rotor cooling system. BACKGROUND

[0002] Wind driven generator set cooling system is air-cooled heat exchanger, and wind driven generator set cooling system is through heat exchange to take away the heat of wind driven generator set, to let wind driven generator equipment carry out power generation operation in stable working temperature, when wind driven generator continuously works, generator, inverter will generate more heat, to make these heat not affect wind driven generator set normal operation, wind driven generator set cooling system needs to be used to take away part of heat.

[0003] Wind driven generator set cooling system takes away the heat of wind driven generator set through heat exchange, to let wind driven generator equipment carry out power generation operation in stable working temperature, when wind driven generator set cooling system is used, temperature sensor is often installed to carry out real-time monitoring, but temperature sensor is often installed and fixed by bolt, needs to use professional tool to install and dismount, inconvenient to maintain replacement in later period, for this, a kind of wind driven generator rotor cooling system is provided to solve the above problems. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of wind driven generator rotor cooling system, to solve the problem that temperature sensor is often installed and fixed by bolt in the background art described above, needs to use professional tool to install and dismount, inconvenient to maintain replacement in later period.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of wind driven generator rotor cooling system, including shell, the inside of the shell is installed with heat exchanger, the front end of the heat exchanger is fixedly connected with water inlet pipe, the front end of the heat exchanger is fixedly connected with water outlet pipe on the lower side of water inlet pipe, the right side bottom of the shell is equipped with air inlet, the left side bottom of the shell is equipped with air outlet, the left side of the shell is installed with two groups of fan, the right side of the shell is provided with fixed plate, the inner wall of the fixed plate is installed with temperature sensor, the right side of the shell is provided with fixed assembly.

[0006] Preferably, the fixing assembly comprises movable grooves, connecting rods, limiting blocks, pull rods, telescopic rods, springs and clamping grooves, two groups of movable grooves are formed in the right side inner wall of the shell, two groups of connecting rods are movably connected in the movable grooves respectively, the inner end of the connecting rod is fixedly connected with a limiting block, the surface of the limiting block is arc-shaped, the outer end of the connecting rod is fixedly connected with a pull rod, two groups of telescopic rods are connected to the outer side of the limiting block, the other end of the telescopic rod is connected to the inner wall of the movable groove, the outer side of the telescopic rod movably sleeves with a spring, the two ends of the spring are respectively abutted with the inner wall of the movable groove and the limiting block, and two groups of clamping grooves are formed in the front and back sides of the fixing plate.

[0007] Preferably, the left side of the fixing plate is connected with a sealing ring outside the temperature sensor, and the right side of the fixing plate is fixedly connected with a handle at the center position.

[0008] Preferably, an automatic exhaust valve is fixedly installed at the upper end of the heat exchanger, a protection frame is connected to the outer side of the automatic exhaust valve at the upper end of the heat exchanger, and the protection frame is in U-shaped.

[0009] Preferably, a buzzer alarm is fixedly installed at the upper part of the temperature sensor on the right side of the shell, and the buzzer alarm is electrically connected with the temperature sensor.

[0010] Preferably, a positioning plate is fixedly connected to the outer side of the air inlet and the air outlet at the bottom of the shell, and a plurality of groups of positioning holes are equidistantly formed in the positioning plate.

[0011] Preferably, a steel sleeve is fixedly connected to the outer side of the heat exchanger, the surface of the shell is fixedly connected with the steel sleeve through bolts, and a stainless steel grounding block is fixedly installed at the lower right corner of the front side of the shell.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、Through the setting of the fixing assembly, the temperature sensor can be installed and dismounted in the clamping mode, the temperature sensor can be conveniently maintained and replaced in the later period, two groups of pull rods are pulled, the distance between the limiting block and the clamping groove is increased, the clamping relationship is disconnected, the handle can be pulled to draw out the temperature sensor for maintenance, personnel operation is convenient, and conversely, the temperature sensor can be installed, and the replacement operation can be completed without using professional tools. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is the structure front view schematic drawing of the utility model;

[0016] Figure 2 It is the structure bottom view schematic drawing of the utility model;

[0017] Figure 3 It is the structure top view schematic drawing of the utility model;

[0018] Figure 4 It is the structure schematic drawing of temperature sensor of the utility model;

[0019] Figure 5 It is the structure schematic drawing of fixed assembly of the utility model.

[0020] In the drawing: 1, shell, 2, heat exchanger, 3, water inlet pipe, 4, water outlet pipe, 5, air inlet, 6, air outlet, 7, fan, 8, fixed plate, 9, temperature sensor, 10, fixed assembly, 101, movable groove, 102, connecting rod, 103, limit block, 104, pull rod, 105, telescopic rod, 106, spring, 107, clamping groove, 11, sealing ring, 12, handle, 13, buzzer alarm, 14, positioning plate, 15, positioning hole, 16, automatic exhaust valve, 17, protective frame, 18, steel sleeve, 19, bolt, 20, stainless steel grounding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment: a wind driven generator rotor cooling system, including shell 1, the inside installation of shell 1 has heat exchanger 2, the front end fixed connection of heat exchanger 2 has water inlet pipe 3, the front end of heat exchanger 2 is located the lower side fixed connection of water inlet pipe 3 has water outlet pipe 4, the right side bottom of shell 1 is equipped with air inlet 5, the left side bottom of shell 1 is equipped with air outlet 6, the left side of shell 1 is installed with two groups of fan 7, the right side of shell 1 is provided with fixed plate 8, the inner wall of fixed plate 8 is installed with temperature sensor 9, the right side of shell 1 is provided with fixed assembly 10, first, the water inlet pipe 3 and water outlet pipe 4 at heat exchanger 2 are connected with connecting pipe, through the water injection of water inlet pipe 3 in heat exchanger 2, then start fan 7, the airflow enters shell 1 from air inlet 5, under the action of fan 7, passes through heat exchanger 2 and is discharged from air outlet 6,

[0023] The device solves the problem that the temperature sensor is often installed and fixed by bolts, professional tools are needed for installation and disassembly, and it is inconvenient for later maintenance and replacement by providing the fixing assembly 10.

[0024] Further, the fixing assembly 10 includes movable slots 101, connecting rods 102, limiting blocks 103, pull rods 104, telescopic rods 105, springs 106 and clamping grooves 107. Two groups of movable slots 101 are formed in the right side inner wall of the shell 1. Two groups of connecting rods 102 are movably connected in the movable slots 101, respectively. The inner end of the connecting rod 102 is fixedly connected with the limiting block 103. The surface of the limiting block 103 is arc-shaped. The outer end of the connecting rod 102 is fixedly connected with the pull rod 104. Two groups of telescopic rods 105 are connected to the outer side of the limiting block 103. The other end of the telescopic rod 105 is connected to the inner wall of the movable slot 101. The outer side of the telescopic rod 105 movably sleeves the spring 106. The two ends of the spring 106 are respectively abutted with the inner wall of the movable slot 101 and the limiting block 103. Two groups of clamping grooves 107 are formed in the front and rear sides of the fixing plate 8. Figure 5 As shown in the figure, this structure is used to pull the pull rod 104 outward, drive the connecting rod 102 and the limiting block 103 to move outward along the movable slot 101, make the limiting block 103 disengage from the clamping groove 107, cancel the locking of the fixing plate 8, and take out the temperature sensor 9. When installing, only need to align the temperature sensor 9 and then insert the fixing plate 8. When inserting the fixing plate 8, the surface of the limiting block 103 is arc-shaped, pushes the limiting block 103 on both sides to move into the movable slot 101, makes the telescopic rod 105 contract, and the spring 106 deforms at the same time. When the fixing plate 8 is completely inserted, under the effect of the spring 106, the limiting block 103 is inserted into the clamping groove 107, and the fixing plate 8 and the temperature sensor 9 are locked, which is convenient for maintenance and replacement.

[0025] Further, the sealing ring 11 is connected to the outer side of the temperature sensor 9 on the left side of the fixing plate 8. The handle 12 is fixedly connected to the center position of the right side of the fixing plate 8. Figure 4 As shown in the figure, this structure is used to enhance the sealing of the device by the sealing ring 11, avoid causing leakage, and affect the detection data. The handle 12 outside the fixing plate 8 is convenient for pulling out the fixing plate 8 from the shell 1.

[0026] Further, the automatic exhaust valve 16 is fixedly installed at the upper end of the heat exchanger 2. The protective frame 17 is connected to the outer side of the automatic exhaust valve 16 at the upper end of the heat exchanger 2. The protective frame 17 is U-shaped. Figure 3 As shown in the figure, this structure is used to discharge the gas of the heat exchanger 2 by the setting of the automatic exhaust valve 16, ensure that the internal pressure balance will not be disturbed, and has high reliability.

[0027] Furthermore, a buzzer alarm 13 is fixedly installed on the right side of the housing 1 above the temperature sensor 9, and the buzzer alarm 13 is electrically connected to the temperature sensor 9. For example... Figure 5 As shown, this structure is used to set the buzzer alarm 13 so that when the temperature sensor 9 monitors the internal temperature of the housing 1 in real time and detects that the temperature exceeds the specified range, the buzzer alarm 13 will sound an alarm to remind the staff.

[0028] Furthermore, a positioning plate 14 is fixedly connected to the bottom of the outer casing 1, outside the air inlet 5 and the air outlet 6. The positioning plate 14 has several sets of positioning holes 15 evenly spaced within it. For example... Figure 2 As shown, this structure is used to facilitate the fixed installation of the outer casing 1 through the positioning hole 15 at the positioning plate 14.

[0029] Furthermore, a steel sleeve 18 is fixedly connected to the outer side of the heat exchanger 2, and the surface of the outer shell 1 is fixedly connected to the steel sleeve 18 by bolts 19. A stainless steel grounding block 20 is fixedly installed on the lower right corner of the front side of the outer shell 1. Figure 3 As shown, this structure is used to securely fix the heat exchanger 2 by means of the steel sleeve 18 and bolts 19, so as to avoid loosening.

[0030] Working principle: When using, such as Figure 2 As shown, the outer casing 1 is first fixedly installed using conventional methods through the positioning holes 15 at the bottom positioning plate 14 of the outer casing 1, as follows. Figure 1 As shown, connect the inlet pipe 3 and outlet pipe 4 of heat exchanger 2 to the connecting pipe. Water is then injected into heat exchanger 2 through inlet pipe 3. Then, start fan 7. Airflow enters the outer casing 1 from air inlet 5, and under the action of fan 7, it passes through heat exchanger 2 and is discharged from air outlet 6. Figure 4 and Figure 5As shown, when the temperature sensor 9 needs to be maintained or replaced, the pull rod 104 is pulled outwardly first, the connecting rod 102 and the limiting block 103 are moved outwardly along the movable slot 101, the limiting block 103 is separated from the clamping groove 107, the locking of the fixed plate 8 is cancelled, the temperature sensor 9 is taken out, when installation, the temperature sensor 9 is aligned and then the fixed plate 8 is inserted, when the fixed plate 8 is inserted, the surface of the limiting block 103 is arc-shaped, the limiting block 103 on both sides is pushed to move into the movable slot 101, the telescopic rod 105 is retracted, and the spring 106 is deformed, when the fixed plate 8 is completely inserted, the limiting block 103 is inserted into the clamping groove 107 under the rebounding action of the spring 106, the fixed plate 8 and the temperature sensor 9 are locked, maintenance and replacement are facilitated, when the temperature sensor 9 monitors the temperature inside the shell 1 in real time, the buzzer 13 gives an alarm when the temperature exceeds the specified range, the staff is reminded, and the above is the whole working principle of the utility model.

[0031] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A wind generator rotor cooling system comprising a housing (1), characterised in that: The inside of the shell (1) is provided with a heat exchanger (2), the front end of the heat exchanger (2) is fixedly connected with a water inlet pipe (3), the front end of the heat exchanger (2) is fixedly connected with a water outlet pipe (4) on the lower side of the water inlet pipe (3), the right bottom of the shell (1) is provided with an air inlet (5), the left bottom of the shell (1) is provided with an air outlet (6), the left side of the shell (1) is provided with two groups of fans (7), the right side of the shell (1) is provided with a fixed plate (8), the inner wall of the fixed plate (8) is provided with a temperature sensor (9), and the right side of the shell (1) is provided with a fixed assembly (10).

2. A wind turbine rotor cooling system according to claim 1, characterised in that: The fixed assembly (10) comprises a movable slot (101), a connecting rod (102), a limiting block (103), a pull rod (104), a telescopic rod (105), a spring (106) and a clamping groove (107), two groups of movable slots (101) are formed in the right inner wall of the shell (1), two groups of connecting rods (102) are movably connected in the movable slots (101) respectively, the inner end of the connecting rod (102) is fixedly connected with a limiting block (103), the surface of the limiting block (103) is arc-shaped, the outer end of the connecting rod (102) is fixedly connected with a pull rod (104), the outer side of the limiting block (103) is connected with two groups of telescopic rods (105), the other end of the telescopic rod (105) is connected to the inner wall of the movable slot (101), the outer side of the telescopic rod (105) movably sleeves a spring (106), the two ends of the spring (106) are respectively abutted with the inner walls of the movable slot (101) and the limiting block (103), and two groups of clamping grooves (107) are formed on the front and back sides of the fixed plate (8).

3. A wind turbine rotor cooling system according to claim 1, wherein: The left side of the fixed plate (8) is connected with a sealing ring (11) outside the temperature sensor (9), and the right side of the fixed plate (8) is fixedly connected with a handle (12) at the center position.

4. A wind turbine rotor cooling system according to claim 1, wherein: The upper end of the heat exchanger (2) is fixedly provided with an automatic exhaust valve (16), the outer side of the automatic exhaust valve (16) is connected with a protective frame (17) on the upper end of the heat exchanger (2), and the protective frame (17) is U-shaped.

5. A wind turbine rotor cooling system according to claim 1, wherein: The upper part of the temperature sensor (9) is fixedly provided with a buzzer alarm (13) on the right side of the shell (1), and the buzzer alarm (13) is electrically connected with the temperature sensor (9).

6. A wind turbine rotor cooling system according to claim 1, wherein: The bottom of the shell (1) is fixedly connected with a positioning plate (14) outside the air inlet (5) and the air outlet (6), and a plurality of positioning holes (15) are equidistantly formed in the positioning plate (14).

7. A wind turbine rotor cooling system according to claim 1, wherein: The outer side of the heat exchanger (2) is fixedly connected with a steel sleeve (18), the surface of the shell (1) is fixedly connected with the steel sleeve (18) through bolts (19), and the front side of the shell (1) is fixedly provided with a stainless steel grounding block (20) at the lower right corner.

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