Temperature transmitter junction box for motor

Abstract

The utility model relates to the technical field of transmitter junction boxes, and discloses a temperature transmitter junction box for a motor, which comprises a temperature measurement junction box, a gasket is arranged at the bottom of the temperature measurement junction box, a mounting cavity is arranged in an inner cavity of the temperature measurement junction box, the inner wall of the temperature measurement junction box is in threaded connection with a mounting bolt, and the mounting bolt is in threaded connection with the gasket. The inner wall of the temperature measuring junction box is connected with a connecting frame, the outer wall of the connecting frame is fixedly connected with a mounting bracket, the outer wall of the mounting bracket is provided with a temperature transmitting device, the inner wall of the temperature measuring junction box is connected with a wire inlet cable gland, and the outer wall of the temperature measuring junction box is connected with an expansion shell. The temperature transmitting device is arranged in the original temperature measuring junction box of the electric equipment, so that the installation space required on site is saved, the integrated supply of the electric equipment and the temperature transmitting device is realized, and convenience is also provided for on-site installation and wiring, overhauling and maintenance of operation and maintenance personnel.

Description

Technical Field

[0001] This utility model relates to the technical field of transmitter junction boxes, specifically a junction box for a temperature transmitter for an electric motor. Background Technology

[0002] Existing transmitter junction box users have raised higher requirements based on application scenarios, needing to reduce the overall installation space of the transmitter junction box, requiring the transmitter and motor body to be supplied as a single unit, and eliminating the need for separate cabinets on site. This requires improvements to the traditional motor and temperature transmitter to avoid the drawbacks of separate units, thereby integrating the transmitter and motor body. Furthermore, when the device is deployed in the field, protective measures are needed to prevent corrosion from high-intensity sunlight and to reduce the internal temperature of the temperature measurement junction box. Therefore, a temperature transmitter junction box for motors that solves the above problems is needed. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a junction box for a temperature transmitter for an electric motor, which solves the problems mentioned in the background.

[0004] This utility model provides the following technical solution: a junction box for a temperature transmitter for an electric motor, comprising: a temperature measuring junction box, a gasket at the bottom of the temperature measuring junction box, an installation cavity in the inner cavity of the temperature measuring junction box, a mounting bolt threaded to the inner wall of the temperature measuring junction box, a connecting frame connected to the inner wall of the temperature measuring junction box, a mounting bracket fixedly connected to the outer wall of the connecting frame, a temperature transmitter mounted on the outer wall of the mounting bracket, an inlet gland connected to the inner wall of the temperature measuring junction box, an expansion shell connected to the outer wall of the temperature measuring junction box, a through groove in the outer wall of the expansion shell, an air groove in the outer wall of the temperature measuring junction box, a top cover connected to the top of the temperature measuring junction box, a coating on the outer wall of the top cover, a screw hole in the outer wall of the temperature measuring junction box, a screw threaded to the inner wall of the coating, and an electric device at the bottom of the temperature measuring junction box.

[0005] Preferably, the mounting bolt extends through the inner wall of the temperature measuring junction box and the gasket into the inner wall of the electric equipment, and the mounting bolt fixes the temperature measuring junction box to the top of the electric equipment.

[0006] Preferably, the number of temperature transmitters is several, and the several temperature transmitters are arranged on the outer wall of the mounting bracket.

[0007] Preferably, the number of incoming line glands is three, and the three incoming line glands are arranged on the same side of the temperature measuring junction box.

[0008] Preferably, the expansion shell and the air groove are disposed on both sides of the temperature measuring junction box, and the inner cavity of the expansion shell and the air groove are connected.

[0009] Preferably, the coating is made of metal oxide and is applied to the surface of the top cover.

[0010] Preferably, the screw hole penetrates the outer wall of the top cover, coating and temperature measuring junction box, and the inner wall of the screw hole is adapted to the size of the outer wall of the screw.

[0011] Preferably, the outer wall of the electric device is provided with a rotating shaft, and the rotating shaft is connected to the power output shaft of the electric device.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The temperature transmitter junction box for this motor saves on-site installation space by placing the temperature transmitter in the original temperature measurement junction box of the electric equipment. It realizes the integrated supply of electric equipment and temperature transmitter, and also provides convenience for on-site installation and maintenance personnel for wiring, inspection and maintenance.

[0014] 2. The junction box for the temperature transmitter of this motor, through the setting of air grooves, expansion shells and coatings, etc., allows the air grooves and expansion shells at different heights to dissipate heat when the internal temperature of the device is too high, thereby dissipating the heat in the inner cavity of the temperature measuring junction box. When the device is laid in the field, the coating is applied to the surface of the top cover, thereby reflecting sunlight and effectively reducing the temperature of the inner cavity of the temperature measuring junction box. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a three-dimensional structural diagram of the temperature measuring junction box of this utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the temperature measuring junction box of this utility model;

[0018] Figure 4 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle;

[0019] Figure 5 This is a schematic diagram of the temperature transmitter device of this utility model.

[0020] In the diagram: 1. Temperature measuring junction box; 2. Gasket; 3. Mounting cavity; 4. Mounting bolt; 5. Connecting bracket; 6. Mounting bracket; 7. Temperature transmitter; 8. Inlet gland; 9. Expansion shell; 10. Through slot; 11. Air slot; 12. Top cover; 13. Coating; 14. Screw hole; 15. Screw; 16. Electrical equipment; 17. Shaft. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-5 A junction box for a temperature transmitter for an electric motor includes: a temperature measuring junction box 1, a gasket 2 at the bottom of the temperature measuring junction box 1, an installation cavity 3 in the inner cavity of the temperature measuring junction box 1, a mounting bolt 4 threadedly connected to the inner wall of the temperature measuring junction box 1, a connecting frame 5 connected to the inner wall of the temperature measuring junction box 1, a mounting bracket 6 fixedly connected to the outer wall of the connecting frame 5, a temperature transmitter 7 mounted on the outer wall of the mounting bracket 6, an inlet gland 8 connected to the inner wall of the temperature measuring junction box 1, an expansion shell 9 connected to the outer wall of the temperature measuring junction box 1, a through groove 10 on the outer wall of the expansion shell 9, an air groove 11 on the outer wall of the temperature measuring junction box 1, a top cover 12 connected to the top of the temperature measuring junction box 1, a coating 13 on the outer wall of the top cover 12, a screw hole 14 on the outer wall of the temperature measuring junction box 1, a screw 15 threadedly connected to the inner wall of the coating 13, and an electric device 16 at the bottom of the temperature measuring junction box 1.

[0023] The mounting bolt 4 extends through the inner walls of the temperature measuring junction box 1 and the gasket 2 to the inner wall of the electric device 16, and the mounting bolt 4 fixes the temperature measuring junction box 1 to the top of the electric device 16. By extending through the inner walls of the temperature measuring junction box 1 and the gasket 2 to the inner wall of the electric device 16 through the mounting bolt 4, the temperature measuring junction box 1 on the device is installed on the top of the electric device 16 by means of the threaded connection of the mounting bolt 4, thereby ensuring a stable installation between the temperature measuring junction box 1 and the electric device 16.

[0024] Among them, there are several temperature transmitters 7, and several temperature transmitters 7 are arranged on the outer wall of the mounting bracket 6. Through several temperature transmitters 7 on the device, multiple temperature transmitters 7 on the device can simultaneously perform temperature transmission in the inner cavity of the temperature measuring junction box 1, thereby integrating multiple temperature transmitters 7 into one unit.

[0025] Among them, there are three incoming line glands 8, and the three incoming line glands 8 are arranged on the same side of the temperature measuring junction box 1. Through the three incoming line glands 8 on the device, the lead wires of the temperature transmitter 7 enter and exit the control cabinet on the user side through the three incoming line glands 8.

[0026] The expansion shell 9 and the air groove 11 are arranged on both sides of the temperature measuring junction box 1, and the inner cavities of the expansion shell 9 and the air groove 11 are connected. By setting the expansion shell 9 and the air groove 11 on both sides of the temperature measuring junction box 1, the expansion shell 9 and the air groove 11 on the device are arranged close to each other. When the temperature in the inner cavity of the temperature measuring junction box 1 is too high, the connection between the air groove 11 and the expansion shell 9 is used to dissipate the high temperature.

[0027] The coating 13 is made of metal oxide and is applied to the surface of the top cover 12. Due to the characteristic of the coating 13 being made of metal oxide, the coating 13 has high reflectivity, low thermal conductivity and ultraviolet filtering properties, thus providing protection to the surface of the top cover 12.

[0028] The screw hole 14 penetrates the outer wall of the top cover 12, the coating 13, and the temperature measuring junction box 1. The inner wall of the screw hole 14 is adapted to the size of the outer wall of the screw 15. By adapting the inner wall of the screw hole 14 to the size of the outer wall of the screw 15, the screw 15 on the device passes through the temperature measuring junction box 1 and the top cover 12, connecting the temperature measuring junction box 1 and the top cover 12 together, thereby sealing the inner cavity of the temperature measuring junction box 1.

[0029] The outer wall of the electric device 16 is provided with a rotating shaft 17, and the rotating shaft 17 is connected to the power output shaft of the electric device 16. Because the outer wall of the electric device 16 is provided with a rotating shaft 17, when the electric device 16 outputs rotational power, the output shaft of the electric device 16 drives the rotating shaft 17 to rotate, thereby enabling the rotating shaft 17 to enter the rotation state.

[0030] The working principle is as follows: First, the temperature transmitter 7 is installed in the original temperature measuring junction box 1 of the electric equipment 16, saving the installation space required on site. This realizes the integrated supply of electric equipment 16 and temperature transmitter 7, and also provides convenience for on-site installation and maintenance personnel in wiring, inspection and maintenance. Then, by setting up structures such as air grooves 11, expansion shells 9 and coatings 13, when the internal temperature of the device is too high, the air grooves 11 and expansion shells 9 are used to dissipate heat, and the heat in the inner cavity of the temperature measuring junction box 1 is dissipated. When the device is laid in the field, the coating 13 is applied to the surface of the top cover 12, and the coating 13 reflects sunlight and effectively reduces the temperature of the inner cavity of the temperature measuring junction box 1.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A junction box for a temperature transmitter for an electric motor, characterized in that, Include: Temperature measuring terminal box (1), the bottom of temperature measuring terminal box (1) is provided with gasket (2), the inner cavity of temperature measuring terminal box (1) is provided with installation cavity (3), the inner wall of temperature measuring terminal box (1) is threadedly connected with installation bolt (4), the inner wall of temperature measuring terminal box (1) is connected with connecting frame (5), the outer wall of connecting frame (5) is fixedly connected with mounting bracket (6), the outer wall of mounting bracket (6) is mounted with temperature transmitting device (7), the inner wall of temperature measuring terminal box (1) is connected with incoming line gland (8), the outer wall of temperature measuring terminal box (1) is connected with expansion shell (9), the outer wall of expansion shell (9) is provided with through slot (10), the outer wall of temperature measuring terminal box (1) is provided with air groove (11), the top of temperature measuring terminal box (1) is connected with top cover (12), the outer wall of top cover (12) is provided with coating (13), the outer wall of temperature measuring terminal box (1) is provided with screw hole (14), the inner wall of coating (13) is threadedly connected with screw (15), the bottom of temperature measuring terminal box (1) is provided with electric equipment (16).

2. A temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The installation bolt (4) extends through the inner wall of temperature measuring terminal box (1) and gasket (2) to the inner wall of electric equipment (16), and the installation bolt (4) fixes the temperature measuring terminal box (1) on the top of electric equipment (16).

3. A temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The number of temperature transmitting device (7) is several, and several temperature transmitting devices (7) are arranged on the outer wall of mounting bracket (6).

4. The temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The number of incoming line gland (8) is three, and three incoming line glands (8) are arranged on the same side of temperature measuring terminal box (1).

5. The temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The expansion shell (9) and the air groove (11) are arranged on both sides of the temperature measuring terminal box (1), and the inner cavities of the expansion shell (9) and the air groove (11) are communicated.

6. A temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The coating (13) is prepared from metal oxide, and the coating (13) is coated on the surface of the top cover (12).

7. A temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The screw hole (14) penetrates the outer wall of the top cover (12), the coating (13) and the temperature measuring terminal box (1), and the inner wall of the screw hole (14) is matched with the outer wall of the screw (15).

8. A temperature transmitter terminal box for electric motors according to claim 1, characterized in that, The outer wall of the electric equipment (16) is provided with a rotating shaft (17), and the rotating shaft (17) is connected with the power output shaft of the electric equipment (16).

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