Integrated feed switch module

Abstract

An integrated feed switch module comprises a chassis and a miniature circuit breaker, a plurality of adjusting screws are vertically and fixedly mounted on the upper surface of the chassis, two limiting nuts are connected to the outer surfaces of the adjusting screws through threads, a supporting plate is fixedly mounted on the lower surface of the miniature circuit breaker, and the supporting plate movably sleeves the outer surfaces of the adjusting screws. The two limiting nuts abut against the upper surface and the lower surface of the supporting plate correspondingly. An electrical part back box is installed on the front side face of the miniature circuit breaker, a hinge door is connected to the front side face of the electrical part back box through a hinge, and a contact rod is fixedly installed on the side, away from the electrical part back box, of the miniature circuit breaker. According to the utility model, the defects in the prior art are overcome, and when the contact rod of the circuit breaker and the corresponding binding post are staggered up and down, the height of the whole miniature circuit breaker can be adjusted by rotating the limiting nut and adjusting the height position of the limiting nut in the axial direction of the adjusting screw rod, so that the accurate butt joint of the contact rod and the binding post is ensured; and the stability and safety of circuit connection are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine power distribution technical field, concretely relates to a integrated feed switch module. BACKGROUND

[0002] A large number of mine explosion-proof vacuum feed switches are used in the underground central substation or mining substation, and the main body of the mine explosion-proof switch is composed of a shell, an explosion-proof cavity and a door, and the shell is internally provided with electrical elements such as a vacuum circuit breaker, a transformer, a protector, a relay and a control component.

[0003] However, in the existing feed switch, the electrical elements are basically fixed and installed in a dispersed manner, which makes it difficult to quickly interchange and use the main body of each circuit, and the circuit needs to be disassembled item by item during maintenance and repair, resulting in low efficiency. In addition, when the conducting rod of the circuit breaker is misaligned with the terminal post, the circuit breaker needs to be disassembled as a whole for height adjustment, which further increases the difficulty of maintenance. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an integrated feed switch module, which overcomes the deficiencies of the prior art, is reasonable in design, and can adjust the height of the entire small circuit breaker by rotating the limiting nuts and adjusting the height position of the limiting nuts in the axial direction of the adjusting screw rod when the contact rod of the circuit breaker is misaligned with the corresponding terminal post, so as to ensure the accurate butt joint of the contact rod and the terminal post and guarantee the stability and safety of the circuit connection.

[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme:

[0006] An integrated feed switch module includes a chassis car and a small circuit breaker, a plurality of adjusting screws are vertically fixedly installed on the upper surface of the chassis car, two limiting nuts are connected to the outer surface of the adjusting screw through threads, a supporting plate is fixedly installed on the lower surface of the small circuit breaker, the supporting plate is movably sleeved on the outer surface of the adjusting screw, and the upper surface and the lower surface of the supporting plate are respectively abutted by the two limiting nuts.

[0007] An electrical component back box is fixedly installed on the front side of the small circuit breaker, a hinge door is connected to the front side of the electrical component back box through a hinge, and a contact rod is fixedly installed on the side of the small circuit breaker away from the electrical component back box.

[0008] Preferably, a lead screw is rotatably connected in the middle of the chassis car, and a fixed block is connected to the outer surface of the lead screw through threads.

[0009] Preferably, a wireless temperature measurement module is fixedly installed on the small circuit breaker, the sensing end of the wireless temperature measurement module corresponds to the contact rod, a temperature measurement receiver is arranged in the electrical component back box, and the temperature measurement receiver is signal-connected to the wireless temperature measurement module through wireless signals.

[0010] Preferably, the small circuit breaker front side is provided with a connecting block above and below, the connecting block surface is provided with a through hole, the electrical equipment back box rear side is provided with a mounting hole above and below, and the through hole of the connecting block is connected with the mounting hole through a bolt.

[0011] Preferably, the electrical equipment back box is internally integrated with a power module, a three-phase reactor, a resistance-capacitance assembly, a high-voltage fuse, a low-voltage fuse, a controller, a relay, a transformer and a gateway, and the small circuit breaker is fixedly installed with a protector; a three-phase power input end is sequentially connected with a contact rod, a small circuit breaker, a three-phase reactor, a high-voltage fuse, and then connected with a transformer high-voltage side; a low-voltage side output end of the transformer is connected with a low-voltage fuse and a resistance-capacitance assembly in parallel; an input end of the power module is connected with the low-voltage side of the transformer, and an output end supplies power to the controller, the protector and the gateway; a signal output end of the protector is connected with an AD sampling interface of the controller; and the gateway communicates with the controller through an RS485 bus.

[0012] The utility model provides a kind of integrated type feeder switch module, with the following beneficial effects: when the contact rod of small circuit breaker and corresponding binding post occur up and down misplacement, can be rotated by limiting nut, by adjusting the height position of limiting nut in adjusting screw axial direction, to realize the height adjustment of entire small circuit breaker, ensure that contact rod and binding post are accurately connected, guarantee the stability and safety of circuit connection.In addition, by fixing and installing electrical equipment back box in small circuit breaker front side, small circuit breaker and electrical equipment back box form an integrity, to facilitate overall handling and maintenance.It is convenient to interchange between similar switches, in addition, electrical equipment back box uses hinged door opening mode, to facilitate the quick repair and replacement of electrical element in electrical equipment back box, improve maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the prior art description.

[0014] Fig. 1 The structural schematic diagram of the utility model;

[0015] Fig. 2 The structural schematic diagram of the hinged door when opened in the utility model;

[0016] Fig. 3 The structural schematic diagram of chassis car and small circuit breaker in the utility model;

[0017] Explanation of reference numerals in the drawings:

[0018] 1. Chassis vehicle; 2. Miniature circuit breaker; 3. Adjusting screw; 4. Limit nut; 5. Support plate; 6. Electrical component back box; 7. Hinge door; 8. Lead screw; 9. Wireless temperature measurement module; 10. Connecting block; 11. Contact rod; 12. Temperature receiver; 13. Power module; 14. Protector; 15. Three-phase reactor; 16. RC assembly; 17. High-voltage fuse; 18. Low-voltage fuse; 19. Controller; 20. Relay; 21. Transformer; 22. Gateway. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0020] Example 1, as Figs. 1-3 As shown, an integrated power supply switch module includes a chassis 1 and a miniature circuit breaker 2. Multiple adjusting screws 3 are vertically fixedly installed on the upper surface of the chassis 1. Two limit nuts 4 are threadedly connected to the outer surface of the adjusting screws 3. A support plate 5 is fixedly installed on the lower surface of the miniature circuit breaker 2. The support plate 5 is movably sleeved on the outer surface of the adjusting screws 3. The two limit nuts 4 abut against the upper and lower surfaces of the support plate 5, respectively.

[0021] An electrical component back box 6 is fixedly installed on the front side of the miniature circuit breaker 2. A hinge door 7 is connected to the front side of the electrical component back box 6 via a hinge. A contact rod 11 is fixedly installed on the side of the miniature circuit breaker 2 away from the electrical component back box 2.

[0022] Working principle:

[0023] During use, the miniature circuit breaker 2 is supported by two limiting nuts 4. Therefore, when the contact rod 11 of the miniature circuit breaker 2 becomes misaligned with the corresponding terminal, the height of the miniature circuit breaker 2 can be adjusted by rotating the limiting nuts 4 and adjusting their axial position on the adjusting screw 3. This ensures precise alignment between the contact rod 11 and the terminal, guaranteeing the stability and safety of the circuit connection. Simultaneously, the support plate 5 enhances the structural stability and prevents misalignment caused by vibration. Furthermore, by fixing the electrical component back box 6 to the front side of the miniature circuit breaker 2, the miniature circuit breaker 2 and the electrical component back box 6 are integrated, facilitating overall handling and maintenance. This also facilitates interchangeability between similar switches. Additionally, the electrical component back box 6 uses a hinged door 7 for quick inspection and replacement of the electrical components inside, improving maintenance efficiency.

[0024] In the embodiment two, as a further preferred solution of the embodiment one, the chassis trolley 1 is rotatably connected with a lead screw 8, the outer surface of the lead screw 8 is threadedly connected with a fixing block, and the fixing block is fixedly installed at the bottom of the inner cavity of the power supply box. The front end of the lead screw 8 is provided with a rotary connecting piece, so that the rotary connecting piece can be directly connected with the rotary handle, so as to manually control the rotation of the lead screw 8, and then realize the manual control moving effect of the whole chassis trolley 1.

[0025] In the embodiment three, as a further preferred solution of the embodiment one, the wireless temperature measurement module 9 is fixedly installed on the small circuit breaker 2, the sensing end of the wireless temperature measurement module 9 corresponds to the contact rod 11, the temperature measurement receiver 12 is arranged in the electrical component back box 6, and the temperature measurement receiver 12 is signal connected with the wireless temperature measurement module 9 through wireless signal. The temperature of the contact rod 11 is monitored in real time through the wireless temperature measurement module 9, and the data is transmitted to the temperature measurement receiver 12, so as to find the overheating hidden danger in time and ensure the safe operation of the circuit system.

[0026] In the embodiment four, as a further preferred solution of the embodiment one, the connection blocks 10 are arranged above and below the front side of the small circuit breaker 2, the through holes are arranged on the surfaces of the connection blocks 10, the mounting holes are arranged above and below the rear side of the electrical component back box 6, and the through holes of the connection blocks 10 are connected with the mounting holes through bolts. Through the arrangement of the connection blocks 10, the electrical component back box 6 and the small circuit breaker 2 are connected and fixed through the connection blocks 10 above and below, so as to ensure the firmness of the connection between the electrical component back box 6 and the small circuit breaker 2, and at the same time, since the connection blocks 10 are arranged above and below the small circuit breaker 2, the disassembly and maintenance of the electrical component back box 6 are facilitated, the inconvenience caused by the complex structure is avoided, and the convenience and efficiency of the overall maintenance are improved.

[0027] In the fifth embodiment, as a further preferred solution of the first embodiment, the power module 13, the three-phase reactor 15, the resistance-capacitance assembly 16, the high-voltage fuse 17, the low-voltage fuse 18, the controller 19, the relay 20, the transformer 21 and the gateway 22 are integrated inside the electrical component back box 6, and the protector 14 is fixedly installed above the miniature circuit breaker 2; the three-phase power input is connected in series with the miniature circuit breaker 2, the three-phase reactor 15 and the high-voltage fuse 17 in sequence, and then connected to the high-voltage side of the transformer 21, and the low-voltage side of the transformer 21 is connected in parallel with the low-voltage fuse 18 and the resistance-capacitance assembly 16, and the resistance-capacitance assembly 16 is connected across the low-voltage bus for overvoltage absorption; the input end of the power module 13 is connected to the low-voltage side of the transformer 21, and the output end supplies power to the controller 19, the protector 14 and the gateway 22; the protector 14 monitors the main circuit parameters in real time through the current transformer, and the signal output end of the protector 14 is connected to the AD sampling interface of the controller 19; the gateway 22 communicates with the controller 19 through the RS485 bus. The short-circuit rapid protection is realized through the high-voltage fuse 17, the overload delay protection is realized through the low-voltage fuse 18 and the protector 14, and a double-protection mechanism is formed.

[0028] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent features; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An integrated power supply switch module, characterized in that: The device includes a chassis (1) and a miniature circuit breaker (2). Multiple adjusting screws (3) are vertically fixed on the upper surface of the chassis (1). Two limiting nuts (4) are threadedly connected to the outer surface of the adjusting screws (3). A support plate (5) is fixedly installed on the lower surface of the miniature circuit breaker (2). The support plate (5) is movably sleeved on the outer surface of the adjusting screws (3). The two limiting nuts (4) abut against the upper and lower surfaces of the support plate (5), respectively. An electrical component back box (6) is fixedly installed on the front side of the miniature circuit breaker (2). A hinge door (7) is connected to the front side of the electrical component back box (6) via a hinge. A contact rod (11) is fixedly installed on the side of the miniature circuit breaker (2) away from the electrical component back box (6).

2. The integrated power supply switch module according to claim 1, characterized in that: The chassis (1) is rotatably connected to a lead screw (8), and a fixing block is connected to the outer surface of the lead screw (8) by a thread.

3. The integrated power supply switch module according to claim 1, characterized in that: A wireless temperature measurement module (9) is fixedly installed on the miniature circuit breaker (2). The sensing end of the wireless temperature measurement module (9) corresponds to the contact rod (11). A temperature receiver (12) is provided inside the electrical component back box (6). The temperature receiver (12) is connected to the wireless temperature measurement module (9) via wireless signal.

4. The integrated power supply switch module according to claim 1, characterized in that: The miniature circuit breaker (2) has connecting blocks (10) on the upper and lower sides of its front side. The surface of the connecting blocks (10) has through holes. The electrical component back box (6) has mounting holes on the upper and lower sides of its rear side. The through holes of the connecting blocks (10) are connected to the mounting holes by bolts.

5. An integrated power supply switch module according to claim 1, characterized in that: The electrical component back box (6) integrates a power module (13), a three-phase reactor (15), a resistor-capacitor assembly (16), a high-voltage fuse (17), a low-voltage fuse (18), a controller (19), a relay (20), a transformer (21), and a gateway (22). A protector (14) is fixedly installed above the miniature circuit breaker (2). The three-phase power input terminals are connected in series via contact rods (11) to the miniature circuit breaker (2), the three-phase reactor (15), and the high-voltage fuse (16). 7) The transformer (21) is connected to the high-voltage side. The low-voltage side output of the transformer (21) is connected in parallel with a low-voltage fuse (18) and a resistor-capacitor assembly (16). The input of the power module (13) is connected to the low-voltage side of the transformer (21), and the output provides power to the controller (19), the protector (14), and the gateway (22). The signal output of the protector (14) is connected to the AD sampling interface of the controller (19). The gateway (22) communicates with the controller (19) via an RS485 bus.

Images