Starter control unit

Abstract

The utility model provides a starter control unit, which comprises a mutual inductor, an insulating support bracket, a starter control unit and a wire spring connector, the starter control unit is connected with a wire outlet end and a wire inlet end of the mutual inductor through the wire spring connector in an inserting manner, and a core penetrating structure is adopted, so that the total size of the overall structure is reduced while the requirement of large current is met, and the starter control unit is not damaged under the condition of external vibration. The starter control unit is formed by attracting a crank arm assembly through an electrified magnet assembly and attaching the crank arm assembly to a vacuum tube assembly, contact is more reliable, the plugging force is low, and the starter control unit has high vibration resistance and impact resistance. The wire outlet end and the wire inlet end are respectively provided with a wiring nose, insulation paper is arranged between every two adjacent wiring noses, the insulation paper has the effects of preventing arc splashing during working and avoiding short circuit of every two adjacent wiring noses, and insulation is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mining equipment, more particularly to a starter control unit. BACKGROUND

[0002] The vacuum electromagnetic starter is mainly used for controlling the direct starting, stopping and forward and reverse operation of the mining induction motor, and can protect the motor from overload and open phase.

[0003] The closest prior art is a 10kV multi-loop high-voltage electromagnetic starter (CN202856445U) comprising two circuit breaker units that can simultaneously connect at least one power supply, a high-voltage vacuum power distribution device and a four-way driver unit connected to the circuit breaker units, a control unit for automatically switching power supply and combined control of the driver unit, and a high-voltage vacuum power distribution device with an output working voltage of 10kV.

[0004] The control unit used in the existing multi-loop vacuum electromagnetic starter still has hidden dangers when in contact, and cannot meet the requirements of high vibration resistance and impact resistance.

[0005] Therefore, the utility model provides a high-vibration-resistant and impact-resistant, high-insulation starter control unit. SUMMARY

[0006] The utility model aims at providing a high-vibration-resistant and impact-resistant, high-insulation starter control unit.

[0007] The application discloses a kind of starter control unit 3, including mutual inductor 1, insulating support bracket 2, starter control unit 3, wire spring connector 4, it is characterized in that: the one side of the insulating support bracket 2 is equipped with mutual inductor 1, the other side of insulating support bracket 2 is equipped with starter control unit 3, mutual inductor 1 is equipped with outgoing terminal, incoming terminal away from starter control unit 3, outgoing terminal, incoming terminal of mutual inductor 1 is inserted with starter control unit 3 by wire spring connector 4 and is connected, starter control unit 3 includes case 5, vacuum tube component 6, energizing magnet component 7, wire spring connector conducting strip 8, elbow arm component 9, suction post 10, elastic element 11, each wire spring connector 4 input end is connected with the upper and lower ends of vacuum tube by wire spring connector conducting strip 8, vacuum tube is equipped with suction post 10 below, one end of a wire spring connector 4 is sleeved with suction post 10, the other end of a wire spring connector 4 is connected with mutual inductor 1, suction post 10 is equipped with elastic element 11 outside, elastic element 11 one end is abutted below wire spring connector 4, elastic element 11 other end is abutted with the top of suction post 10 bottom, the inside below case 5 is equipped with energizing magnet component 7, energizing magnet component 7 side is equipped with elbow arm component 9, elbow arm component 9 one end is connected with energizing magnet component 7, energizing magnet component 7 other end is connected with the bottom of elastic element 11 corresponding.

[0008] Further, the elbow arm component 9 includes elbow arm 91, pivot mounting seat 92, pivot, the side of energizing magnet component 7 is equipped with elbow arm 91, the two outer sides of elbow arm 91 are equipped with pivot mounting seat 92, pivot mounting seat 92 is connected with the inside of case 5 by fixing part, pivot mounting seat 92 is equipped with pivot inside, the two outer sides of elbow arm 91 are connected with pivot mounting seat 92 by pivot, when energizing magnet component 7 is energized, energizing magnet component 7 attracts elbow arm 91, elbow arm 91 moves upward by pivot to make the one end of elbow arm 91 adhere to suction post 10, at this time, a loop is formed to make mutual inductor 1 conductive.

[0009] In some embodiments, the elastic element 11 is a spring.

[0010] In some embodiments, the outgoing terminal and the incoming terminal are each provided with a wiring nose 12, and adjacent wiring noses 12 are provided with insulating paper 13, which is used to prevent arc splashing during work and avoid short circuit between adjacent two wiring noses 12.

[0011] In some embodiments, the outgoing terminal and the incoming terminal of the mutual inductor 1 are further provided with heat shrink tubes, which improve insulation and prevent arc short circuit.

[0012] In some embodiments, the insulating support bracket 2 is a one-time compression injection molding structure, and the insulating support bracket 2 has a specification that the creepage distance (including the cross-sectional part) is 40 mm, the voltage resistance is not less than 25 kv for one minute, the thickness direction voltage resistance is not less than 10 kv / mm, and the creepage distance between phases is enlarged by using a partition mode.

[0013] In some embodiments, the suction column 10 is screwed with the vacuum tube, so as to adjust the gap between the suction column 10 and the vacuum tube, and then adjust the gap between the suction column 10 and the second elbow 91.

[0014] In some embodiments, the cabinet 5 is further provided with a resistance capacitor 14, which is electrically connected with the starter control unit 3, and is used for absorbing transient high voltage to prevent the high voltage from affecting the starter control unit 3.

[0015] In some embodiments, the cabinet 5 is further provided with a plurality of heat dissipation openings 15 at positions close to the vacuum tube assembly 6, the energized electromagnet assembly 7 and the resistance capacitor 14, so as to facilitate heat dissipation during work.

[0016] The utility model discloses a kind of starter control units, including mutual inductor 1, insulated support bracket 2, starter control unit 3, wire spring connector 4, starter control unit 3 is connected with the outgoing line end of mutual inductor 1, incoming line end plug-in connection by wire spring connector 4, core-penetration structure, satisfy large current while making that overall structure overall volume reduces, under external vibration condition, starter control unit 3 uses energized electromagnet assembly 7 suction elbow assembly 9, elbow assembly 9 is formed by sticking with vacuum tube assembly 6, contact is more reliable, plugging force is low, with high anti-vibration and impact resistance performance;The outgoing line end, incoming line end are all provided with wiring nose 12, adjacent wiring nose 12 is provided with insulating paper 13, insulating paper 13 prevents arc splashing during work and avoids the effect of short circuit of adjacent two wiring nose 12, enhances insulation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of a kind of starter control unit of the application.

[0018] Figure 2 It is a structure schematic view of a kind of starter control unit of the application.

[0019] Figure 3 It is a side sectional view of the structure schematic view of a kind of starter control unit of the application.

[0020] Figure 4 It is a plan sectional view of the structure schematic view of a kind of starter control unit of the application.

[0021] MAIN ELEMENT SYMBOL EXPLANATION

[0022] The transformer 1, the insulating support bracket 2, the starter control unit 3, the wire spring connector 4, the machine box 5, the roller assembly 51, the vacuum tube assembly 6, the energizing magnet assembly 7, the wire spring connector conducting strip 8, the crank arm assembly 9, the crank arm 91, the rotating shaft mounting seat 92, the suction column 10, the elastic member 11, the wiring nose 12, the insulating paper 13, the resistor-capacitor 14, and the heat dissipation port 15.

[0023] The following detailed description will further describe the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0024] The following embodiments are described to aid in the understanding of the present application, the embodiments are not and should not be construed as limiting the scope of protection of the present application in any way.

[0025] In the following description, those skilled in the art will recognize that components can be described as separate functional units (which can include sub-units), but those skilled in the art will recognize that various components or portions thereof can be divided into separate components, or can be integrated together (including integrated within a single system or component).

[0026] At the same time, the connection between the components or systems is not intended to be limited to direct connection, on the contrary, the data between these components can be modified, reformatted, or otherwise changed by intermediate components. In addition, additional or fewer connections can be used. It should also be noted that the terms "coupled", "connected", or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.

[0027] Embodiment 1:

[0028] As shown in FIG. 1, it is a structure schematic view of a starter control unit according to the present application; as shown in FIG. 2, it is a structure schematic view of a starter control unit according to the present application; as shown in FIG. 3, it is a side cross-sectional view of a structure schematic view of a starter control unit according to the present application; as shown in FIG. 4, it is a bottom cross-sectional view of a structure schematic view of a starter control unit according to the present application Figure 1 Figure 2 Figure 3 Figure 4

[0029] ​​​​A starter control unit 3, comprising a mutual inductor 1, an insulating support bracket 2, a starter control unit 3, a wire spring connector 4, characterized in that: the insulating support bracket 2 is provided with a mutual inductor 1 on one side, and the other side of the insulating support bracket 2 is provided with a starter control unit 3; the mutual inductor 1 is provided with an outgoing line end and an incoming line end away from the starter control unit 3; the outgoing line end and the incoming line end of the mutual inductor 1 are connected with the starter control unit 3 through the wire spring connector 4; the starter control unit 3 comprises a case 5, a vacuum tube assembly 6, a power-on electromagnet assembly 7, a wire spring connector conductive strip 8, a crank arm assembly 9, a suction column 10 and an elastic member 11; the input end of each wire spring connector 4 is connected with the upper and lower ends of the vacuum tube through the wire spring connector conductive strip 8; the vacuum tube is provided with the suction column 10 below; one end of the wire spring connector 4 is sleeved with the suction column 10; the other end of the wire spring connector 4 is connected with the mutual inductor 1; the outer side of the suction column 10 is provided with the elastic member 11; one end of the elastic member 11 abuts against the lower side of the wire spring connector 4; the other end of the elastic member 11 abuts against the upper side of the bottom of the suction column 10; the lower side inside the case 5 is provided with the power-on electromagnet assembly 7; the side of the power-on electromagnet assembly 7 is provided with the crank arm assembly 9; one end of the crank arm assembly 9 is connected with the power-on electromagnet assembly 7; the other end of the power-on electromagnet assembly 7 is connected with the bottom of the elastic member 11.

[0030] The crank arm assembly 9 comprises a crank arm 91, a rotating shaft mounting seat 92 and a rotating shaft; the side of the power-on electromagnet assembly 7 is provided with the crank arm 91; the two outer sides of the crank arm 91 are provided with the rotating shaft mounting seat 92; the rotating shaft mounting seat 92 is connected with the inner side of the case 5 through a fixing member; the rotating shaft mounting seat 92 is provided with the rotating shaft inside; the two outer sides of the crank arm 91 are connected with the rotating shaft mounting seat 92 through the rotating shaft; when the power-on electromagnet assembly 7 is powered on, the power-on electromagnet assembly 7 attracts the crank arm 91; the crank arm 91 moves upward through the rotating shaft to make one end of the crank arm 91 abut against the suction column 10; at this time, a loop is formed to make the mutual inductor 1 conductive.

[0031] The elastic member 11 is a spring.

[0032] The outgoing line end and the incoming line end are both provided with a wiring nose 12; adjacent wiring noses 12 are provided with insulating paper 13; the insulating paper 13 is used to prevent arc splashing during work and to avoid short circuit between adjacent two wiring noses 12.

[0033] The outgoing line end and the incoming line end of the mutual inductor 1 are also provided with heat shrink tubes to improve insulation and prevent arc short circuit.

[0034] The insulating support bracket 2 is a one-time compression injection molding structure; the specification of the insulating support bracket 2 is that the creepage distance (including the cross section part) is 40 mm; the withstand voltage for one minute is not less than 25 kv; the withstand voltage in the thickness direction is not less than 10 kv / mm; the creepage distance between phases is enlarged by using a partition method.

[0035] The suction column 10 is screwed with the vacuum tube, so as to adjust the gap between the suction column 10 and the vacuum tube, and further adjust the gap between the suction column 10 and the second elbow arm 91.

[0036] The cabinet 5 is further provided with a blocking capacitor 14, which is electrically connected with the starter control unit 3, and is used for absorbing transient high voltage and preventing the high voltage from affecting the starter control unit 3.

[0037] The cabinet 5 is further provided with a plurality of heat dissipation openings 15 at positions close to the vacuum tube assembly 6, the energized electromagnet assembly 7 and the blocking capacitor 14, so as to facilitate heat dissipation during work.

[0038] The utility model discloses a kind of starter control units, including mutual inductor 1, insulated support bracket 2, starter control unit 3, wire spring connector 4, starter control unit 3 is connected by wire spring connector 4 with the outgoing line end of mutual inductor 1, incoming line end plug-in connection, core-penetration structure, satisfy large current while making that overall structure overall volume reduces, under external vibration condition, starter control unit 3 uses energized electromagnet assembly 7 suction elbow arm assembly 9, elbow arm assembly 9 is formed by sticking with vacuum tube assembly 6, contact is more reliable, plugging force is low, with high anti-vibration and impact resistance performance;The outgoing line end, incoming line end are all provided with wiring nose 12, adjacent wiring nose 12 is provided with insulating paper 13, insulating paper 13 prevents arc splashing during work and avoids the effect of short circuit of adjacent two wiring nose 12, enhances insulation.

[0039] Although multiple aspects and embodiments have been disclosed in the present application, other aspects and embodiments will be apparent to those skilled in the art without departing from the concept of the present application, and several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. The multiple aspects and embodiments disclosed in the present application are only used for illustration, and are not intended to limit the present application, and the actual protection scope of the present application is subject to the claims.

Claims

1. A starter control unit comprising a transformer (1), an insulating support bracket (2), a starter control unit (3), a wire spring connector (4), characterized in that: The insulating support bracket (2) is provided with a mutual inductor (1) on one side, and a starter control unit (3) on the other side, the mutual inductor (1) is provided with an outgoing line end and an incoming line end away from the starter control unit (3), the starter control unit (3) is connected with the outgoing line end and the incoming line end of the mutual inductor (1) through a wire spring connector (4), the starter control unit (3) comprises a case (5), a vacuum tube assembly (6), a power-on electromagnet assembly (7), a wire spring connector conductive strip (8), a crank arm assembly (9), a suction column (10) and an elastic member (11), the input end of each wire spring connector (4) is connected with the upper and lower ends of the vacuum tube through the wire spring connector conductive strip (8), the suction column (10) is arranged below the vacuum tube, one end of the wire spring connector (4) is sleeved with the suction column (10), the other end of the wire spring connector (4) is connected with the mutual inductor (1), the elastic member (11) is arranged outside the suction column (10), one end of the elastic member (11) is abutted below the wire spring connector (4), the other end of the elastic member (11) is abutted above the bottom of the suction column (10), the power-on electromagnet assembly (7) is arranged below the inside of the case (5), the crank arm assembly (9) is arranged on the side of the power-on electromagnet assembly (7), one end of the crank arm assembly (9) is connected with the power-on electromagnet assembly (7), and the other end of the power-on electromagnet assembly (7) is connected with the bottom of the elastic member (11) correspondingly.

2. The starter control unit of claim 1, wherein: The crank arm assembly (9) comprises a crank arm (91), a rotating shaft mounting seat (92) and a rotating shaft, the crank arm (91) is arranged on the side of the power-on electromagnet assembly (7), the rotating shaft mounting seat (92) is arranged on the two outer sides of the crank arm (91), the rotating shaft mounting seat (92) is connected with the inside of the case (5) through a fixing member, and the rotating shaft is arranged in the rotating shaft mounting seat (92).

3. The starter control unit of claim 1, wherein: The elastic member (11) is a spring.

4. The starter control unit of claim 1, wherein: Wire noses (12) are arranged at the outgoing line end and the incoming line end, and insulating paper (13) is arranged between adjacent wire noses (12), so that the insulating paper (13) can prevent arc splashing and short circuit between adjacent wire noses (12).

5. The starter control unit of claim 1, wherein: The outgoing line end and the incoming line end of the mutual inductor (1) are further provided with heat shrink tubes, so that the insulation is improved and arc short circuit is prevented.

6. The starter control unit of claim 1, wherein: The insulating support bracket (2) is a one-time compression molding structure.

7. The starter control unit of claim 1, wherein: The suction column (10) is threadedly connected with the vacuum tube, so that the gap between the suction column (10) and the vacuum tube can be adjusted, and then the gap between the suction column (10) and the second crank arm (91) can be adjusted.

8. The starter control unit of claim 1, wherein: The case (5) is further provided with a resistor-capacitor (14) inside, the resistor-capacitor (14) is electrically connected with the starter control unit (3), and the resistor-capacitor (14) is used for absorbing transient high voltage to prevent the high voltage from affecting the starter control unit (3).

9. The starter control unit of claim 8, wherein: A plurality of heat dissipation openings (15) are further arranged at positions close to the vacuum tube assembly (6), the power-on electromagnet assembly (7) and the resistor-capacitor (14) of the case (5) in a spaced mode, so that heat dissipation is facilitated during work.

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