CN209994238U

CN209994238U - Tachogenerator who possesses cooling device

Info

Publication number: CN209994238U
Application number: CN201921100629.8U
Authority: CN
Inventors: 杨中华; 刘冰
Original assignee: BEIJING JINGYI JINGYE ELECTRIC TECHNOLOGY Co Ltd
Current assignee: BEIJING JINGYI JINGYE ELECTRIC TECHNOLOGY Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-01-24
Anticipated expiration: 2029-07-15

Abstract

The utility model belongs to the tachogenerator field, especially, a tachogenerator who possesses cooling device need continuously open the semiconductor refrigeration piece to motor cooling to current cooling device, has increased the running cost of equipment, can not carry out real-time supervision to the temperature of motor simultaneously to select to open or close cooling device's problem according to the motor temperature, the following scheme is proposed to the present, and it includes the cooler bin, the mounting hole has all been seted up to the both sides of cooler bin, and fixed mounting has same tachogenerator body in two mounting holes, and fixed mounting has the cooler on the top inner wall of cooler bin, and the bottom fixed mounting of cooler has the semiconductor refrigeration piece. The utility model discloses rational in infrastructure, convenient operation, this cooling device can carry out real-time supervision to the temperature of tachogenerator body when cooling to the motor to select to open or close cooling device according to the motor temperature.

Description

Tachogenerator who possesses cooling device

Technical Field

The utility model relates to a tachogenerator technical field especially relates to a tachogenerator who possesses cooling device.

Background

The tachogenerator is a micro-motor whose output electromotive force is proportional to the rotation speed. The winding and the magnetic circuit of the tachogenerator are accurately designed, the output electromotive force E and the rotating speed n of the tachogenerator are in a linear relation, for example, application number 201820119757.6 discloses a generator with a cooling device, which comprises a circulating cooling air channel, an air distribution plate, an axial flow fan, an exhaust air pump, a sealing rubber ring and a moving wheel, wherein the air distribution plate is arranged above the circulating cooling air channel, the exhaust air pump is arranged on one side of the axial flow fan, and the moving wheel is arranged below the sealing rubber ring; the gas distribution plate is arranged to ensure that cooling gas is more uniform when entering; the axial flow fan is arranged to facilitate the conveying of cooling gas and the lifting of the conveying speed of the gas; an exhaust air pump is arranged to discharge cooled exhaust gas conveniently; the sealing rubber ring is arranged, so that the cooling gas is not leaked in the conveying process; the movable wheels are arranged, so that the generator can be moved and carried more conveniently before and after use, and the labor intensity of workers is reduced;

however, the cooling device needs to continuously open the semiconductor refrigerating sheet to cool the motor, increases the operation cost of the equipment, cannot simultaneously monitor the temperature of the motor in real time, and selectively open or close the cooling device according to the temperature of the motor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the cooling device that exists among the prior art and need continuously open the semiconductor refrigeration piece and to motor cooling, increased the running cost of equipment, can not carry out real-time supervision to the temperature of motor simultaneously to select the shortcoming of opening or closing cooling device according to motor temperature, and the tachogenerator who possesses cooling device who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tachogenerator with a cooling device comprises a cooling box, wherein mounting holes are respectively formed in two sides of the cooling box, the same tachogenerator body is fixedly mounted in the two mounting holes, a cooler is fixedly mounted on the inner wall of the top of the cooling box, a semiconductor refrigerating sheet is fixedly mounted at the bottom of the cooler, a cooling pipe is fixedly mounted on the semiconductor refrigerating sheet and is in contact with the tachogenerator body, a partition plate is fixedly mounted in the cooling box and is positioned at the top of the tachogenerator body, a fixing groove is formed in the bottom of the partition plate, a moving seat is slidably mounted in the fixing groove, a moving plate is fixedly mounted at the bottom of the moving seat, a fixing hole is formed in one side of the moving plate, sliding grooves are respectively formed in the inner walls of two sides of the fixing hole, sliding blocks are respectively slidably mounted in the two sliding grooves, and a temperature sensor is fixedly mounted on one side of the moving block, the temperature sensor is in contact with the tachogenerator body, and a driving mechanism is arranged on the cooling box and is matched with the moving seat.

Preferably, the driving mechanism comprises a second lead screw, a mounting plate, a moving bar and a servo motor, a first threaded hole is formed in the top of the moving block, a first lead screw is installed in the first threaded hole in a threaded manner, the top end of the first lead screw is rotatably installed on the inner wall of the top of the fixed hole, the bottom end of the first lead screw extends to the outer side of the moving plate, a first gear is fixedly installed on the inner wall of the top of the fixed hole, the first gear rotates to drive the first lead screw to rotate, and the first lead screw drives the moving block to move.

Preferably, a first rack is fixedly mounted on one side of the tachogenerator body, the first gear is meshed with the first rack, a second threaded hole is formed in one side of the movable seat, a second lead screw is installed in the second threaded hole in a threaded manner, one end of the second lead screw is rotatably installed on the inner wall of one side of the fixed groove, the other end of the second lead screw extends to the outer side of the cooling box and is fixedly mounted with a second gear, the second gear drives the second lead screw to reverse, and the second lead screw drives the movable seat to move in the opposite direction.

Preferably, mounting panel fixed mounting removes strip slidable mounting in one side of mounting panel in one side of cooler bin, and the welding of one side of removing the strip has the second rack, and second gear and the meshing of second rack, the welding of one side of removing the strip has the third rack, and one side of mounting panel is rotated and is installed half wheel and carousel, and half wheel and third rack mesh, the carousel lasts to rotate the back and drives another teeth of a cogwheel and rotate and drive half wheel rotation after the position of half wheel, and half wheel drives the third rack downstream.

Preferably, fixed mounting has the teeth of a cogwheel that two symmetries set up on the carousel, two teeth of a cogwheel respectively with half wheel and third rack toothing, servo motor fixed mounting is in the opposite side of mounting panel, and servo motor's output shaft transmission is connected in one side of carousel, and a plurality of universal wheels are installed to the bottom of cooler bin, and the universal wheel conveniently drives cooler bin shift position.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) according to the scheme, in the normal working process of the tachogenerator body, the cooler and the semiconductor refrigerating sheet can generate cooling gas, so that the heat generated when the tachogenerator body operates is eliminated through the circulation of the cooling gas, and the input ends of the cooler, the temperature sensor and the servo motor are electrically connected with the output end of a mains supply;

(2) according to the scheme, the servo motor is started, the servo motor drives the rotary table to rotate, the first gear is meshed with the first rack after moving, the moving block drives the temperature sensor to move, the rotary table drives the other set of gear teeth to rotate to the position of the half wheel after continuously rotating, the half wheel drives the third rack to move downwards;

(3) according to the scheme, the third rack drives the moving strip to move downwards, the second gear drives the second screw rod to rotate reversely, the temperature of the tachogenerator body can be monitored, and the cooler can be selectively started or closed according to data of temperature monitoring;

the utility model discloses rational in infrastructure, convenient operation, this cooling device can carry out real-time supervision to the temperature of tachogenerator body when cooling to the motor to select to open or close cooling device according to the motor temperature.

Drawings

Fig. 1 is a schematic view of a tachogenerator with a cooling device according to the present invention;

fig. 2 is a schematic structural view of a mounting plate, a half wheel, a servo motor and a turntable of a tachogenerator with a cooling device according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a tachogenerator with a cooling device according to the present invention;

fig. 4 is a schematic structural diagram of a part B of a tachogenerator with a cooling device according to the present invention.

In the figure: the device comprises a cooling box 1, a tachogenerator body 2, a cooler 3, a semiconductor refrigeration sheet 4, a partition plate 5, a cooling pipe 6, a fixing groove 7, a moving seat 8, a moving plate 9, a fixing hole 10, a moving block 11, a temperature sensor 12, a first screw rod 13, a first gear 14, a first rack 15, a second screw rod 16, a second gear 17, an installation plate 18, a moving strip 19, a second rack 20, a third rack 21, a half wheel 22, a servo motor 23 and a rotary disc 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-4, a tachogenerator with a cooling device comprises a cooling box 1, wherein mounting holes are respectively formed in both sides of the cooling box 1, the same tachogenerator body 2 is fixedly installed in the two mounting holes, a cooler 3 is fixedly installed on the inner wall of the top of the cooling box 1, a semiconductor refrigerating sheet 4 is fixedly installed at the bottom of the cooler 3, a cooling tube 6 is fixedly installed on the semiconductor refrigerating sheet 4, the cooling tube 6 is in contact with the tachogenerator body 2, a partition plate 5 is fixedly installed in the cooling box 1, the partition plate 5 is positioned at the top of the tachogenerator body 2, a fixing groove 7 is formed in the bottom of the partition plate 5, a movable seat 8 is slidably installed in the fixing groove 7, a movable plate 9 is fixedly installed at the bottom of the movable seat 8, a fixing hole 10 is formed in one side of the movable plate 9, sliding grooves are respectively formed in the inner, one side that two sliders are close to each other is fixed with same movable block 11, and one side fixed mounting of movable block 11 has temperature sensor 12, and temperature sensor 12 contacts with tachogenerator body 2, is equipped with actuating mechanism on the cooler bin 1, and actuating mechanism and the 8 looks adaptations of removal seat.

In this embodiment, the driving mechanism includes a second lead screw 16, a mounting plate 18, a moving bar 19 and a servo motor 23, a first threaded hole is formed in the top of the moving block 11, a first lead screw 13 is installed in the first threaded hole, the top end of the first lead screw 13 is rotatably installed on the inner wall of the top of the fixing hole 10, a first gear 14 is fixedly installed at the bottom end of the first lead screw 13 and extends to the outer side of the moving plate 9, the first gear 14 rotates to drive the first lead screw 13 to rotate, and the first lead screw 13 drives the moving block 11 to move.

In this embodiment, one side fixed mounting of tachogenerator body 2 has first rack 15, first gear 14 and the meshing of first rack 15, the second screw hole has been seted up to one side of removing seat 8, the screw thread of second lead screw 16 is installed in the second screw hole, the one end of second lead screw 16 is rotated and is installed on one side inner wall of fixed slot 7, the other end of second lead screw 16 extends to the outside of cooler bin 1 and fixed mounting has second gear 17, second gear 17 drives second lead screw 16 and reverses, second lead screw 16 drives and removes seat 8 and remove to opposite direction.

In this embodiment, mounting panel 18 fixed mounting is in one side of cooler bin 1, it installs in one side of mounting panel 18 to remove 19 slidable mounting, the welding of one side of removal strip 19 has second rack 20, second gear 17 and the meshing of second rack 20, the welding of one side of removal strip 19 has third rack 21, half wheel 22 and carousel 24 are installed in one side rotation of mounting panel 18, half wheel 22 and the meshing of third rack 21, carousel 24 drives half wheel 22 and rotates after continuously rotating and driving another teeth of a cogwheel and rotate to half wheel 22's position, half wheel 22 drives third rack 21 and moves down.

In this embodiment, fixed mounting has the teeth of a cogwheel that two symmetries set up on the carousel 24, and two teeth of a cogwheel mesh with half wheel 22 and third rack 21 respectively, and servo motor 23 fixed mounting is in the opposite side of mounting panel 18, and servo motor 23's output shaft transmission is connected in one side of carousel 24, and a plurality of universal wheels are installed to the bottom of cooler bin 1, and the universal wheel conveniently drives cooler bin 1 shift position.

Example 2

Referring to fig. 1-4, a further improvement is made on the basis of example 1:

a tachogenerator with a cooling device comprises a cooling box 1, wherein mounting holes are respectively formed in two sides of the cooling box 1, the same tachogenerator body 2 is fixedly installed in the two mounting holes through welding, a cooler 3 is fixedly installed on the inner wall of the top of the cooling box 1 through welding, a semiconductor refrigerating sheet 4 is fixedly installed at the bottom of the cooler 3 through welding, a cooling pipe 6 is fixedly installed on the semiconductor refrigerating sheet 4 through welding, the cooling pipe 6 is in contact with the tachogenerator body 2, a partition plate 5 is fixedly installed in the cooling box 1 through welding, the partition plate 5 is positioned at the top of the tachogenerator body 2, a fixing groove 7 is formed in the bottom of the partition plate 5, a moving seat 8 is slidably installed in the fixing groove 7, a moving seat 9 is fixedly installed at the bottom of the moving seat 8 through welding, a fixing hole 10 is formed in one side of the moving plate 9, sliding grooves are, equal slidable mounting has the slider in two spouts, and one side that two sliders are close to each other has same movable block 11 through welded fastening installation, and one side of movable block 11 has temperature sensor 12 through welded fastening installation, and temperature sensor 12 contacts with tachogenerator body 2, is equipped with actuating mechanism on the cooler bin 1, actuating mechanism and 8 looks adaptations of removal seat.

In this embodiment, the driving mechanism includes a second lead screw 16, a mounting plate 18, a moving bar 19 and a servo motor 23, a first threaded hole is formed in the top of the moving block 11, a first lead screw 13 is installed in the first threaded hole, the top end of the first lead screw 13 is rotatably installed on the inner wall of the top of the fixing hole 10, a first gear 14 is installed at the bottom end of the first lead screw 13 in a manner of extending to the outer side of the moving plate 9 and fixedly welding, the first gear 14 rotates to drive the first lead screw 13 to rotate, and the first lead screw 13 drives the moving block 11 to move.

In this embodiment, one side of the tachogenerator body 2 is provided with a first rack 15 through welding and fixing, a first gear 14 is meshed with the first rack 15, one side of the movable base 8 is provided with a second threaded hole, a second lead screw 16 is installed in the second threaded hole in a threaded manner, one end of the second lead screw 16 is rotatably installed on the inner wall of one side of the fixing groove 7, the other end of the second lead screw 16 extends to the outer side of the cooling box 1 and is provided with a second gear 17 through welding and fixing, the second gear 17 drives the second lead screw 16 to reverse, and the second lead screw 16 drives the movable base 8 to move in the opposite direction.

In this embodiment, there are the teeth of a cogwheel that two symmetries set up through welded fastening on the carousel 24, two teeth of a cogwheel respectively with half round 22 and the meshing of third rack 21, servo motor 23 fixed mounting is in the opposite side of mounting panel 18, servo motor 23's output shaft transmission is connected in one side of carousel 24, and a plurality of universal wheels are installed to the bottom of cooler bin 1, and the universal wheel conveniently drives cooler bin 1 shift position.

In this embodiment, in the normal working process of the tachogenerator body 2, the cooler 3 and the semiconductor refrigeration sheet 4 generate cooling gas, the cooling gas is conveyed to the bottom area of the partition plate 5 in the cooling box 1 through the cooling pipe 6, so as to eliminate the heat generated during the operation of the tachogenerator body 2 through the circulation of the cooling gas, the input ends of the cooler 3, the temperature sensor 12 and the servo motor 23 are electrically connected with the output end of the commercial power, the servo motor 23 drives the turntable 24 to rotate by starting the servo motor 23, the turntable 24 drives one group of gear teeth to rotate, the gear teeth first drive the third rack 21 to move upwards, the third rack 21 drives the second gear 17 to rotate clockwise, the second gear 17 drives the second screw rod 16 to rotate, the second screw rod 16 drives the movable seat 8 to slide in the movable plate 7, and the movable seat 8 drives the movable plate 9 to move, the moving plate 9 drives the first gear 14 to move, the first gear 14 is meshed with the first rack 15 after moving, the first gear 14 rotates to drive the first lead screw 13 to rotate, the first lead screw 13 drives the moving block 11 to move, the moving block 11 drives the temperature sensor 12 to move, the rotary table 24 continuously rotates and drives another set of gear teeth to rotate to the position of the half wheel 22 and then drives the half wheel 22 to rotate, the half wheel 22 drives the third rack 21 to move downwards, the moving bar 19 is driven by the third rack 21 to move downwards, the moving bar 19 drives the second gear 17 to rotate anticlockwise, the second gear 17 drives the second lead screw 16 to reverse, the second lead screw 16 drives the moving seat 8 to move in the opposite direction, the moving seat 8 drives the temperature sensor 12 to move in the opposite direction, so that the temperature sensor 12 moves back and forth and moves up and down at the same time, and the temperature of the tachometer generator body 2 can be monitored, accessible temperature monitoring's data selection opens cooler 3 or closes cooler 3, the utility model discloses rational in infrastructure, convenient operation, this cooling device can carry out real-time supervision to the temperature of tachogenerator body 2 when cooling to the motor to select to open or close cooling device according to motor temperature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tachogenerator who possesses cooling device, includes cooler bin (1), its characterized in that, the mounting hole has all been seted up to the both sides of cooler bin (1), and fixed mounting has same tachogenerator body (2) in two mounting holes, and fixed mounting has cooler (3) on the top inner wall of cooler bin (1), and the bottom fixed mounting of cooler (3) has semiconductor refrigeration piece (4), and fixed mounting has cooling tube (6) on semiconductor refrigeration piece (4), and cooling tube (6) and tachogenerator body (2) contact, fixed mounting has baffle (5) in cooler bin (1), and baffle (5) are located the top of tachogenerator body (2), and fixed slot (7) have been seted up to the bottom of baffle (5), and slidable mounting has removal seat (8) in fixed slot (7), the bottom fixed mounting that removes seat (8) has movable plate (9), fixed orifices (10) have been seted up to one side of movable plate (9), the spout has all been seted up on the both sides inner wall of fixed orifices (10), equal slidable mounting has the slider in two spouts, one side fixed mounting that two sliders are close to each other has same movable block (11), one side fixed mounting of movable block (11) has temperature sensor (12), temperature sensor (12) contact with tachogenerator body (2), be equipped with actuating mechanism on cooler bin (1), actuating mechanism and removal seat (8) looks adaptation.

2. The tachogenerator with the cooling device according to claim 1, wherein the driving mechanism comprises a second screw rod (16), a mounting plate (18), a moving bar (19) and a servo motor (23), a first threaded hole is formed in the top of the moving block (11), a first screw rod (13) is internally threaded in the first threaded hole, the top end of the first screw rod (13) is rotatably mounted on the inner wall of the top of the fixed hole (10), and the bottom end of the first screw rod (13) extends to the outer side of the moving plate (9) and is fixedly mounted with a first gear (14).

3. The tachogenerator with the cooling device according to claim 1, wherein a first rack (15) is fixedly installed on one side of the tachogenerator body (2), the first gear (14) is engaged with the first rack (15), a second threaded hole is formed on one side of the movable seat (8), the second screw rod (16) is threadedly installed in the second threaded hole, one end of the second screw rod (16) is rotatably installed on the inner wall of one side of the fixed groove (7), and the other end of the second screw rod (16) extends to the outside of the cooling box (1) and is fixedly installed with the second gear (17).

4. The tachogenerator with a cooling device according to claim 2, characterized in that the mounting plate (18) is fixedly mounted on one side of the cooling box (1), the moving bar (19) is slidably mounted on one side of the mounting plate (18), a second rack (20) is welded on one side of the moving bar (19), the second gear (17) is meshed with the second rack (20), a third rack (21) is welded on one side of the moving bar (19), a half wheel (22) and a turntable (24) are rotatably mounted on one side of the mounting plate (18), and the half wheel (22) is meshed with the third rack (21).

5. The tachogenerator with a cooling device according to claim 4, wherein two symmetrically arranged gear teeth are fixedly mounted on the rotary plate (24), the two gear teeth are respectively engaged with the half wheel (22) and the third rack (21), the servo motor (23) is fixedly mounted on the other side of the mounting plate (18), the output shaft of the servo motor (23) is in transmission connection with one side of the rotary plate (24), and a plurality of universal wheels are mounted at the bottom of the cooling box (1).