Anti-misplug starter control unit
By introducing an insulating support bracket, slide rail, and guide positioning assembly into the starter control unit, the problems of complex assembly and incorrect insertion were solved, achieving reliable connection and high vibration resistance, and enhancing insulation.
Patent Information
- Application Number
- CN202423108646.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-17
AI Technical Summary
The existing multi-loop vacuum electromagnetic starter has a complex control unit and bracket assembly, which is prone to misconfiguration and incorrect insertion.
A starter control unit designed to prevent incorrect insertion employs an insulated support bracket, slide rail, roller assembly, and guide positioning assembly to ensure accurate positioning of the starter control unit and the current transformer. A reliable connection is achieved through a spring connector, and insulating paper is placed between the wiring lugs to prevent short circuits.
It improves assembly efficiency, prevents incorrect insertion and matching, ensures connection reliability, enhances insulation, and has high vibration and impact resistance.
Smart Images

Figure CN223553236U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mining equipment technology, and more specifically, to a starter control unit that prevents incorrect insertion. Background Technology
[0002] Vacuum electromagnetic starters are mainly used to control the direct starting, stopping, and forward and reverse operation of mining induction motors, and can also protect the motors from overload and phase loss.
[0003] The existing multi-loop vacuum electromagnetic starter uses control units and brackets. The assembly of control units and brackets is complicated and prone to misfitting or incorrect insertion. It also requires high processing standards.
[0004] In view of this, the present invention proposes a starter control unit that is simple to assemble and has a simple structure to prevent incorrect insertion. Utility Model Content
[0005] The purpose of this utility model is to provide a starter control unit that is simple to assemble and has a simple structure to prevent incorrect insertion.
[0006] A starter control unit includes a current transformer 1, an insulating support bracket 2, a starter control unit 3, and a spring connector 4. The current transformer 1 is located on one side of the insulating support bracket 2, and the starter control unit 3 is located on the other side. The end of the current transformer 1 away from the starter control unit 3 has an output terminal and an input terminal. The starter control unit 3 is connected to the output terminal and the input terminal of the current transformer 1 via the spring connector 4. Slide rails 21 are provided on both sides of the bottom of the insulating support bracket 2, and a groove 22 is provided on the inner side of each slide rail 21. Roller assemblies 51 are provided on both sides below the chassis 5. The chassis 5 is connected to the chassis via the rollers. Component 51 is connected to slide rail 22. A guide positioning component 23 is also provided between adjacent slide rails 21. The guide positioning component 23 includes an adjustment mounting block 231 and a positioning post 232. An adjustment mounting block 231 is provided between adjacent slide rails 21. An adjustment mounting part 233 is provided on both the left and right sides of the adjustment mounting block 231. A positioning post 232 is detachably provided in the adjustment mounting part 233. The adjustment mounting part 233 includes at least two adjustment mounting ports, which are spaced apart. Positioning blocks 24 are spaced apart below the chassis 5. Positioning blocks 24 are provided with positioning ports. The positioning posts 232 are connected to the positioning ports.
[0007] Furthermore, a first screw fixing block 25 is provided between adjacent slide rails 21, and a second screw fixing block 26 is provided below the chassis 5. The first screw fixing block 25 and the second screw fixing block 26 are connected by a screw 27, which improves the structural strength of the chassis 5 and the insulating support bracket 2.
[0008] In some embodiments, the starter control unit 3 includes a housing 5, a vacuum tube assembly 6, an electromagnet assembly 7, a spring connector conductive strip 8, a crank arm assembly 9, a pull-in post 10, and an elastic element 11. The input end of each spring connector 4 is connected to the upper and lower ends of the vacuum tube through the spring connector conductive strip 8. A pull-in post 10 is provided below the vacuum tube. One end of a spring connector 4 is sleeved with the pull-in post 10, and the other end of the spring connector 4 is connected to the current transformer 1. An elastic element 11 is provided on the outside of the pull-in post 10. One end of the elastic element 11 abuts against the lower part of the spring connector 4, and the other end of the elastic element 11 abuts against the upper part of the bottom of the pull-in post 10. An electromagnet assembly 7 is provided at the lower part inside the housing 5. A crank arm assembly 9 is provided on the side of the electromagnet assembly 7. One end of the crank arm assembly 9 is connected to the electromagnet assembly 7, and the other end of the electromagnet assembly 7 is correspondingly connected to the bottom of the elastic element 11.
[0009] In some embodiments, both the outgoing and incoming terminals are provided with connector lugs 12, and insulating paper 13 is provided between adjacent connector lugs 12. The insulating paper 13 is used to prevent arcing during operation and to avoid short circuit between two adjacent connector lugs 12.
[0010] Furthermore, the current transformer 1 is equipped with heat shrink tubing at its output and input terminals to improve insulation and prevent arcing and short circuits.
[0011] In some embodiments, the insulating support bracket 2 is a one-time injection molded structure.
[0012] In some embodiments, the chassis 5 is further provided with a blocking container 14, which is electrically connected to the starter control unit 3. The blocking container 14 is used to absorb instantaneous high voltage and prevent the high voltage from affecting the starter control unit 3.
[0013] In some embodiments, the chassis 5 is also provided with multiple heat dissipation vents 15 at intervals near the vacuum tube assembly 6, the electromagnet assembly 7, and the blocking container 14 to facilitate heat dissipation during operation.
[0014] The beneficial effects of this utility model are as follows: This utility model proposes a starter control unit that prevents incorrect insertion. Roller assemblies 51 are provided on both sides below the chassis 5. The chassis 5 is connected to the slide groove 22 through the roller assemblies 51. A guide positioning assembly 23 is also provided between adjacent slide rails 21. The guide positioning assembly 23 includes an adjusting mounting block 231 and a positioning post 232, which can adjust the position of the positioning post 232 on the adjusting mounting block 231 according to requirements to prevent incorrect insertion and improve assembly efficiency. The starter control unit 3 is connected to the output and input ends of the current transformer 1 through a spring connector 4. The structure is simple, the contact is more reliable, the insertion and extraction force is low, and it has high vibration and impact resistance. The output and input ends are provided with wiring lugs 12. Insulating paper 13 is provided between adjacent wiring lugs 12. The insulating paper 13 prevents arcing during operation and avoids short circuit between two adjacent wiring lugs 12, thereby enhancing insulation. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of a starter control unit for preventing incorrect insertion according to this application.
[0016] Figure 2 This is a schematic diagram of the structure of a starter control unit for preventing incorrect insertion according to this application.
[0017] Figure 3 This is a schematic diagram of the structure of a starter control unit for preventing incorrect insertion according to this application.
[0018] Figure 4 This is a schematic diagram of the insulating support bracket for an anti-misinsertion starter control unit according to this application.
[0019] Figure 5 This is a side sectional view of a starter control unit for preventing incorrect insertion according to this application.
[0020] Figure 6 This is a top sectional view of a starter control unit for preventing incorrect insertion according to this application.
[0021] Explanation of main component symbols
[0022] 1. Current transformer; 2. Insulating support bracket; 21. Slide rail; 22. Slide groove; 23. Guide positioning assembly; 231. Adjustment mounting block; 232. Positioning column; 233. Adjustment mounting part; 24. Positioning block; 25. First screw fixing block; 26. Second screw fixing block; 27. Screw; 3. Starter control unit; 4. Spring connector; 5. Chassis; 51. Roller assembly; 6. Vacuum tube assembly; 7. Electromagnet assembly; 8. Spring connector conductive strip; 9. Crank arm assembly; 10. Pull-in column; 11. Elastic element; 12. Wiring lug; 13. Insulating paper; 14. Resistor; 15. Heat dissipation vent.
[0023] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation
[0024] The following embodiments are described to aid in understanding this application. These embodiments are not, and should not be, construed in any way as limiting the scope of protection of this application.
[0025] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as individual functional units (which may include subunits), but those skilled in the art will recognize that various components or portions thereof may be divided into individual components or may be integrated together (including integrated within a single system or component).
[0026] Furthermore, the connection between components or systems is not intended to be limited to a direct connection; on the contrary, data between these components may be modified, reformatted, or otherwise altered by intermediate components. Additionally, other or fewer connections may be used. It should also be noted that the terms "connection," "link," or "input" should be understood to include direct connections, indirect connections via one or more intermediate devices, and wireless connections.
[0027] Example 1:
[0028] like Figure 1 The diagram shown is a structural schematic of a starter control unit for preventing incorrect insertion according to this application; Figure 2 The diagram shown is a structural schematic of a starter control unit for preventing incorrect insertion according to this application; Figure 3 The diagram shown is a structural schematic of a starter control unit for preventing incorrect insertion according to this application; Figure 4 The diagram shown is a structural schematic of an insulating support bracket for an anti-misinsertion starter control unit according to this application; Figure 5 The image shown is a side sectional view of a starter control unit for preventing incorrect insertion according to this application; as shown... Figure 6 The figure shown is a top sectional view of a starter control unit for preventing incorrect insertion according to this application.
[0029] A starter control unit includes a current transformer 1, an insulating support bracket 2, a starter control unit 3, and a spring connector 4. The current transformer 1 is located on one side of the insulating support bracket 2, and the starter control unit 3 is located on the other side. The end of the current transformer 1 away from the starter control unit 3 has an output terminal and an input terminal. The starter control unit 3 is connected to the output terminal and the input terminal of the current transformer 1 via the spring connector 4. Slide rails 21 are provided on both sides of the bottom of the insulating support bracket 2, and a groove 22 is provided on the inner side of each slide rail 21. Roller assemblies 51 are provided on both sides below the chassis 5. The chassis 5 is connected to the chassis via the rollers. Component 51 is connected to slide rail 22. A guide positioning component 23 is also provided between adjacent slide rails 21. The guide positioning component 23 includes an adjustment mounting block 231 and a positioning post 232. An adjustment mounting block 231 is provided between adjacent slide rails 21. An adjustment mounting part 233 is provided on both the left and right sides of the adjustment mounting block 231. A positioning post 232 is detachably provided in the adjustment mounting part 233. The adjustment mounting part 233 includes at least two adjustment mounting ports, which are spaced apart. Positioning blocks 24 are spaced apart below the chassis 5. Positioning blocks 24 are provided with positioning ports. The positioning posts 232 are connected to the positioning ports.
[0030] A first screw fixing block 25 is provided between adjacent slide rails 21, and a second screw fixing block 26 is provided below the chassis 5. The first screw fixing block 25 and the second screw fixing block 26 are connected by screws 27 to improve the structural strength of the chassis 5 and the insulating support bracket 2.
[0031] The starter control unit 3 includes a housing 5, a vacuum tube assembly 6, an electromagnet assembly 7, a spring connector conductive strip 8, a crank arm assembly 9, a pull-in post 10, and an elastic element 11. The input end of each spring connector 4 is connected to the upper and lower ends of the vacuum tube through the spring connector conductive strip 8. A pull-in post 10 is provided below the vacuum tube. One end of a spring connector 4 is sleeved with the pull-in post 10, and the other end of the spring connector 4 is connected to the current transformer 1. An elastic element 11 is provided on the outside of the pull-in post 10. One end of the elastic element 11 abuts against the lower part of the spring connector 4, and the other end of the elastic element 11 abuts against the upper part of the bottom of the pull-in post 10. An electromagnet assembly 7 is provided at the lower part inside the housing 5. A crank arm assembly 9 is provided on the side of the electromagnet assembly 7. One end of the crank arm assembly 9 is connected to the electromagnet assembly 7, and the other end of the electromagnet assembly 7 is correspondingly connected to the bottom of the elastic element 11.
[0032] Both the outgoing and incoming terminals are provided with connector lugs 12, and insulating paper 13 is provided between adjacent connector lugs 12. The insulating paper 13 is used to prevent arcing during operation and to avoid short circuit between two adjacent connector lugs 12.
[0033] The current transformer 1 is also equipped with heat shrink tubing at its output and input terminals to improve insulation and prevent arcing and short circuits.
[0034] The insulating support bracket 2 is a structure formed by one-time injection molding.
[0035] The chassis 5 is also equipped with a blocking container 14, which is electrically connected to the starter control unit 3. The blocking container 14 is used to absorb instantaneous high voltage and prevent the high voltage from affecting the starter control unit 3.
[0036] The chassis 5 is also provided with multiple heat dissipation vents 15 at intervals near the vacuum tube assembly 6, the electromagnet assembly 7, and the blocking container 14 to facilitate heat dissipation during operation.
[0037] The beneficial effects of this utility model are as follows: This utility model proposes a starter control unit that prevents incorrect insertion. Roller assemblies 51 are provided on both sides below the chassis 5. The chassis 5 is connected to the slide groove 22 through the roller assemblies 51. A guide positioning assembly 23 is also provided between adjacent slide rails 21. The guide positioning assembly 23 includes an adjusting mounting block 231 and a positioning post 232, which can adjust the position of the positioning post 232 on the adjusting mounting block 231 according to requirements to prevent incorrect insertion and improve assembly efficiency. The starter control unit 3 is connected to the output and input ends of the current transformer 1 through a spring connector 4. The structure is simple, the contact is more reliable, the insertion and extraction force is low, and it has high vibration and impact resistance. The output and input ends are provided with wiring lugs 12. Insulating paper 13 is provided between adjacent wiring lugs 12. The insulating paper 13 prevents arcing during operation and avoids short circuit between two adjacent wiring lugs 12, thereby enhancing insulation.
[0038] Although this application discloses several aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art. Various modifications and improvements can be made without departing from the concept of this application, and these all fall within the scope of protection of this application. The various aspects and embodiments disclosed in this application are for illustrative purposes only and are not intended to limit this application. The actual scope of protection of this application is determined by the claims.
Claims
1. A starter control unit for preventing incorrect insertion, comprising a current transformer (1), an insulating support bracket (2), a starter control unit (3), and a spring connector (4), characterized in that: The insulating support bracket (2) has a current transformer (1) on one side and a starter control unit (3) on the other side. The current transformer (1) has an output terminal and an input terminal at the end away from the starter control unit (3). The starter control unit (3) is connected to the output terminal and input terminal of the current transformer (1) through a spring connector (4). The bottom of the insulating support bracket (2) has slide rails (21) on both sides. The inner side of each slide rail (21) has a groove (22). The bottom of the chassis (5) has roller assemblies (51) on both sides. The chassis (5) is connected to the groove (22) through the roller assemblies (51). The adjacent slide rails (21) are connected to each other. A guide positioning component (23) is also provided. The guide positioning component (23) includes an adjustment mounting block (231) and a positioning column (232). An adjustment mounting block (231) is provided between the adjacent slide rails (21). An adjustment mounting part (233) is provided on both the left and right sides of the adjustment mounting block (231). A positioning column (232) is detachably provided in the adjustment mounting part (233). The adjustment mounting part (233) includes at least two adjustment mounting ports, which are spaced apart. A positioning block (24) is spaced apart below the chassis (5). The positioning block (24) has a positioning port, and the positioning column (232) is connected to the positioning port.
2. The anti-misinsertion starter control unit as described in claim 1, characterized in that: A first screw fixing block (25) is provided between adjacent slide rails (21), and a second screw fixing block (26) is provided below the chassis (5). The first screw fixing block (25) and the second screw fixing block (26) are connected by screw 27 to improve the structural strength of the chassis (5) and the insulating support bracket (2).
3. The anti-misinsertion starter control unit as described in claim 1, characterized in that: The starter control unit (3) includes a chassis (5), a vacuum tube assembly (6), an electromagnet assembly (7), a spring connector conductive strip (8), a crank arm assembly (9), a pull-in post (10), and an elastic element (11). The input end of each spring connector (4) is connected to the upper and lower ends of the vacuum tube through the spring connector conductive strip (8). A pull-in post (10) is provided below the vacuum tube. One end of a spring connector (4) is sleeved with the pull-in post (10), and the other end of the spring connector (4) is connected to the mutual inductor. The device (1) is connected, and an elastic element (11) is provided on the outside of the suction column (10). One end of the elastic element (11) abuts against the lower part of the spring connector (4), and the other end of the elastic element (11) abuts against the upper part of the bottom of the suction column (10). An electromagnet assembly (7) is provided at the lower part inside the chassis (5). A crank arm assembly (9) is provided on the side of the electromagnet assembly (7). One end of the crank arm assembly (9) is connected to the electromagnet assembly (7), and the other end of the electromagnet assembly (7) is connected to the bottom of the elastic element (11).
4. The anti-misinsertion starter control unit as described in claim 1, characterized in that: Both the outgoing and incoming ends are provided with connector lugs (12), and insulating paper (13) is provided between adjacent connector lugs (12). The insulating paper (13) is used to prevent arcing during operation and to avoid short circuit between two adjacent connector lugs (12).
5. The anti-misinsertion starter control unit as described in claim 1, characterized in that: The current transformer (1) is also equipped with heat shrink tubing at the output and input ends to improve insulation and prevent arcing and short circuits.
6. The anti-misinsertion starter control unit as described in claim 1, characterized in that: The insulating support bracket (2) is a one-time injection molded structure.
7. The anti-misinsertion starter control unit as described in claim 1, characterized in that: The chassis (5) is also equipped with a blocking container (14), which is electrically connected to the starter control unit (3). The blocking container (14) is used to absorb instantaneous high voltage and prevent the high voltage from affecting the starter control unit (3).
8. The anti-misinsertion starter control unit as described in claim 1, characterized in that: The chassis (5) is also provided with multiple heat dissipation vents (15) at intervals near the vacuum tube assembly (6), the electromagnet assembly (7), and the resistor container (14) to facilitate heat dissipation during operation.