CN220440554U - Power valve group structure of mining general type high-voltage soft start cabinet - Google Patents
Power valve group structure of mining general type high-voltage soft start cabinet Download PDFInfo
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- CN220440554U CN220440554U CN202322088826.5U CN202322088826U CN220440554U CN 220440554 U CN220440554 U CN 220440554U CN 202322088826 U CN202322088826 U CN 202322088826U CN 220440554 U CN220440554 U CN 220440554U
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- 238000005065 mining Methods 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a power valve group structure of a mining general type high-voltage soft start cabinet, which comprises a frame, two partition plates, a capacitor unit, a resistor unit and two thyristor units, wherein the frame is provided with a cavity with an upper surface and a lower surface which are both provided with openings; the two partition boards are vertically arranged in the cavity at intervals and are used for dividing the cavity into a first installation cavity, a protection cavity and a second installation cavity which are arranged side by side; the capacitor unit is arranged in the first mounting cavity; the resistance unit is arranged in the first mounting cavity. The beneficial effects of the utility model are as follows: the first installation cavity and the second installation cavity are separated through the protection cavity, so that the capacitor component and the resistor component generate discharge phenomenon in the working process of the power valve bank, the thyristor component cannot be damaged, the thyristor unit is very convenient to assemble and disassemble, and the power valve bank is relatively fast when overhauling or replacing the thyristor.
Description
Technical Field
The utility model relates to the technical field of high-voltage soft start, in particular to a power valve group structure of a mining general type high-voltage soft start cabinet.
Background
The soft starter is a novel motor control device integrating the functions of soft start, soft stop, light load energy saving and various protection of a current collector, and mainly comprises a three-phase power valve group and an electronic control circuit thereof, wherein the three-phase power valve group is connected between a power supply and a controlled motor in series, and the soft starter is used for driving large-scale equipment to mine under mines along with popularization and utilization of the soft starter. The capacitor component and the resistor component of the existing power valve group (such as a compact high-voltage soft start power unit structure disclosed in the application number 201921997334.5) are respectively arranged above and below the thyristor component, and the capacitor component and the resistor component can generate a discharge phenomenon in the working process of the power valve group, so that certain damage is easily caused to the thyristor component, and the existing mounting mode is inconvenient to assemble and disassemble the thyristor unit, so that the thyristor is very troublesome to overhaul or replace.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides a power valve group structure of a mining general type high-voltage soft start cabinet, which solves the technical problems that in the prior art, a capacitor element and a resistor element of a power valve group are respectively arranged above and below a thyristor element, and the capacitor element and the resistor element can generate a discharge phenomenon in the working process of the power valve group, so that the thyristor element is easy to cause certain damage, and the thyristor unit is inconvenient to assemble and disassemble due to the existing installation mode, so that the thyristor is very troublesome to overhaul or replace.
In order to achieve the technical purpose, the technical scheme of the utility model provides a mining general type high-voltage soft start cabinet power valve group structure, which comprises:
the frame is provided with a cavity with an upper surface and a lower surface which are both provided with openings;
the two partition plates are vertically arranged in the cavity at intervals and are used for dividing the cavity into a first installation cavity, a protection cavity and a second installation cavity which are arranged side by side;
the capacitor unit is arranged in the first mounting cavity;
the resistor unit is arranged in the first mounting cavity;
the two thyristor units are oppositely arranged in the second mounting cavity, each thyristor unit comprises two vertical fixing rods which are arranged at intervals, a plurality of thyristors which are detachably arranged between the two fixing rods, and two connecting pieces which are respectively arranged at two ends of the fixing rods, each connecting piece is provided with a middle section which is arranged between the two fixing rods and two connecting sections which are respectively provided with a telescopic structure, one ends of the two connecting sections are respectively fixedly connected with two ends of the middle section, and the other ends of the two connecting sections respectively penetrate through the corresponding fixing rods and are used for being clamped with the frame.
Further, a plurality of connecting holes are formed in the side wall of the second mounting cavity, and the other ends of the connecting sections respectively penetrate through the corresponding fixing rods and are used for extending into the corresponding connecting holes.
Further, the frame includes two parallel and interval setting's base plate and two fixed plates, two the fixed plate all perpendicular to the base plate and interval just can dismantle set up in two between the base plate to enclose into the cavity, each the connecting hole is relative to seting up in two on the base plate respectively.
Further, the connecting piece includes handle, two axis of rotation, two grafting axle and two first elastic component, the handle is used for forming the interlude, the axis of rotation the grafting axle reaches first elastic component is used for forming the connecting segment, the handle set up in two between the dead lever, two the axis of rotation set up respectively in the both ends of handle, two the one end of axis of rotation all with handle fixed connection, two the other end of axis of rotation rotates respectively and passes corresponding dead lever, two the one end of first elastic component is fixed in respectively corresponding the other end of axis of rotation, two the other end of first elastic component respectively with corresponding one end fixed connection of grafting axle for with the other end of grafting axle pushes corresponding in the connecting hole.
Further, a first accommodating groove extending along the length direction of the rotating shaft is formed in the rotating shaft, one end of the inserting shaft is slidably arranged in the first accommodating groove, the first elastic piece is arranged in the first accommodating groove, and one end of the first elastic piece is fixedly connected with the groove wall of the first accommodating groove.
Further, the connecting piece further comprises two abutting discs, the two abutting discs are respectively and fixedly sleeved on the corresponding plug-in shafts and located outside the first containing grooves, so that the other ends of the plug-in shafts extend into the connecting holes, and the side walls of the abutting discs are abutted with the inner side walls of the base plates.
Further, the mining general type high-voltage soft start cabinet power valve group structure further comprises a plurality of limiting pieces, each limiting piece is arranged on the outer portion of the cavity and corresponds to the corresponding connecting holes one by one, each limiting piece comprises a rotating rod, a limiting shaft and a second elastic piece, one end of each rotating rod is rotatably mounted on the base plate, a second accommodating groove is formed in the other end of each rotating rod, one end of each limiting shaft is slidably arranged in each second accommodating groove, the second elastic piece is arranged in each second accommodating groove, one end of each second elastic piece is fixedly connected with the groove wall of each second accommodating groove, the other end of each second elastic piece is fixedly connected with one end of each limiting shaft, the other end of each rotating rod can reciprocate between a first position and a second position, when the other end of each rotating rod is in the first position, the limiting shaft is aligned with the connecting hole, the second elastic piece is used for pushing the other end of each limiting shaft into the connecting hole, and enabling the other end of each limiting shaft to be fixedly connected with the corresponding connecting shaft to the corresponding connecting hole, and when the other end of each limiting shaft is moved out of the corresponding connecting shaft and the corresponding connecting shaft is detachable to the connecting hole.
Further, the rotating rod is detachably connected with the base plate through magnetic attraction.
Further, the power valve group structure of the mining general type high-voltage soft start cabinet further comprises a heat radiating unit, wherein the heat radiating unit comprises a plurality of heat radiators, each heat radiator is arranged between two fixing rods and corresponds to the corresponding thyristors one by one, and the heat radiators are fixed on the two fixing rods and fixedly connected with the corresponding thyristors.
Further, the power valve group structure of the mining general type high-voltage soft start cabinet further comprises a measurement module unit, wherein the measurement module unit is arranged outside the cavity and is fixed on one fixing plate.
Compared with the prior art, the utility model has the beneficial effects that: the first installation cavity and the second installation cavity are separated through the protection cavity, the capacitor component and the resistor component can generate discharge phenomena in the working process of the power valve group, the thyristor component cannot be damaged, when the thyristor unit is installed, the two connecting sections are pressed in sequence, the corresponding two connecting sections are in a contracted state, the whole thyristor unit is placed at a preset position in the second installation cavity, the connecting sections lose the pressing action and can be in an extension state, the other ends of the connecting sections are clamped with the frame, when the thyristor unit needs to be overhauled or replaced, the connecting sections are only required to be pressed, the connecting sections are in the contracted state until the other ends of the connecting sections are released from the clamping connection with the frame, the thyristor unit can be taken out from the second installation cavity, the thyristor unit is very convenient to disassemble and assemble, and the thyristor unit is overhauled or replaced relatively fast.
Drawings
FIG. 1 is a schematic perspective view of a power valve group structure of a mining general type high-voltage soft start cabinet;
FIG. 2 is a top view of a mining generic high voltage soft start cabinet power valve block configuration of FIG. 1;
FIG. 3 is a schematic perspective view of the mining generic high voltage soft start cabinet power valve block structure of FIG. 1 from another perspective with one of the mounting plates and the measurement module units omitted;
FIG. 4 is an enlarged cross-sectional view of the mining generic high voltage soft start cabinet power valve block configuration A of FIG. 1;
FIG. 5 is an enlarged cross-sectional view of the mining generic high voltage soft start cabinet power valve block configuration B of FIG. 1;
in the figure: 100-frame, 110-cavity, 111-first installation cavity, 112-protection cavity, 113-second installation cavity, 114-connecting hole, 120-base plate, 130-fixed plate, 200-baffle, 300-capacitance unit, 400-resistance unit, 500-thyristor unit, 510-fixed rod, 520-thyristor, 530-connecting piece, 531-handle, 532-rotation axis, 5321-first accommodation groove, 533-plug-in axis, 534-first elastic piece, 535-abutting plate, 600-limiting piece, 610-rotation axis, 611-second accommodation groove, 620-limiting axis, 630-second elastic piece, 700-heat dissipation unit, 710-heat sink, 800-measurement module unit.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a power valve group structure of a mining general type high-voltage soft start cabinet, which is shown in fig. 1-4, and comprises a frame 100, two partition boards 200, a capacitor unit 300, a resistor unit 400 and two thyristor units 500, wherein the frame 100 is provided with a cavity 110, and the upper surface and the lower surface of the cavity 110 are both provided with openings; the two partitions 200 are vertically and alternately arranged in the cavity 110, and are used for dividing the cavity 110 into a first installation cavity 111, a protection cavity 112 and a second installation cavity 113 which are arranged side by side; the capacitor unit 300 is disposed in the first mounting cavity 111; the resistor unit 400 is disposed in the first mounting cavity 111; the two thyristor units 500 are oppositely disposed in the second mounting cavity 113, and each thyristor unit comprises two fixing rods 510, a plurality of thyristors 520 and two connecting pieces 530, the fixing rods 510 are vertically disposed at intervals, the thyristors 520 are detachably disposed between the two fixing rods 510, the connecting pieces 530 are respectively disposed at two ends of the fixing rods 510, each connecting piece 530 is provided with a middle section and two connecting sections with telescopic structures, the middle section is disposed between the two fixing rods 510, one ends of the two connecting sections are respectively fixedly connected with two ends of the middle section, and the other ends of the two connecting sections respectively penetrate through the corresponding fixing rods 510 and are used for being clamped with the frame 100.
The capacitor unit 300 and the resistor unit 400 are both arranged in the first installation cavity 111, the thyristor unit 500 is arranged in the second installation cavity 113, the first installation cavity 111 and the second installation cavity 113 are separated by the protection cavity 112, a capacitor component and a resistor component can be enabled to generate a discharge phenomenon in the working process of the power valve bank, damage to the thyristor 520 component is avoided, when the thyristor 520 is installed, the thyristor 520 is firstly arranged between the two fixing rods 510, the thyristor 520 is detachably fixed on the fixing rods 510 through screws, the two corresponding connecting sections are sequentially pressed, the thyristor unit 500 is placed in a preset position in the second installation cavity 113, the connecting sections lose the pressing effect and are in an extension state, the other ends of the connecting sections are enabled to be clamped with the frame 100, when the thyristor 520 is installed, the thyristor unit 520 is required to be quickly removed from the frame 500, and the thyristor unit is required to be quickly replaced.
As a preferred embodiment, referring to fig. 1 and 4, a plurality of connection holes 114 are formed on a side wall of the second mounting cavity 113, and the other end of each connection section passes through the corresponding fixing rod 510 and is used to extend into the corresponding connection hole 114, so as to realize the clamping connection between the other end of the connection section and the frame 100.
As a preferred embodiment, please refer to fig. 1 and 2, the frame 100 includes two parallel and spaced base plates 120 and two fixing plates 130, the two fixing plates 130 are perpendicular to the base plates 120 and spaced and detachably disposed between the two base plates 120, so as to enclose the cavity 110, and the upper surface and the lower surface of the cavity 110 are both provided with openings, and each of the connecting holes 114 is relatively disposed on the two base plates 120, so that the connecting holes 114 are prevented from being disposed on the partition board 200 and the fixing plates 130, and the connecting section is convenient to be controlled.
As a preferred embodiment, referring to fig. 4, the connecting member 530 includes a handle 531, two rotation shafts 532, two plugging shafts 533 and two first elastic members 534, wherein the handle 531 is used for forming the middle section, the rotation shafts 532, the plugging shafts 533 and the first elastic members 534 are used for forming the connecting section, the handle 531 is disposed between the two fixing rods 510, the two rotation shafts 532 are respectively disposed at two ends of the handle 531, one ends of the two rotation shafts 532 are fixedly connected with the handle 531, the other ends of the two rotation shafts 532 are respectively rotated through the corresponding fixing rods 510, so that the handle 531 can rotate relative to the fixing rods 510, the whole thyristor unit 500 is conveniently taken by the handle 531, or when the whole thyristor unit 500 is fixedly connected with the frame 100, the whole power valve set can be conveniently taken by the grip 531, one ends of the two first elastic members 534 are respectively fixed at the other ends of the corresponding rotating shafts 532, the other ends of the two first elastic members 534 are respectively fixedly connected with one ends of the corresponding plugging shafts 533, the other ends of the plugging shafts 533 are pushed into the corresponding connecting holes 114, the two plugging shafts 533 are sequentially pressed to respectively compress the corresponding first elastic members 534, the whole thyristor unit 500 is placed at a preset position in the second mounting cavity 113, the plugging shafts 533 are respectively corresponding to the corresponding connecting holes 114 one by one, the plugging shafts 533 are released, the second elastic members 630 lose the pressing action and are in a natural state, and applies a force to the plugging shaft 533 so that the other end of the plugging shaft 533 extends into the connection hole 114, when the thyristor unit 500 needs to be overhauled or replaced, the plugging holes are only pressed, so that the two plugging shafts 533 respectively compress the corresponding first elastic members 534, and the first elastic members 534 are in a contracted state until the other end of the plugging shaft 533 moves out of the connection hole 114, the connection members 530 are released from the connection with the substrate 120, and the thyristor unit 500 can be taken out from the second installation cavity 113, so that the thyristor unit 500 is very convenient to assemble and disassemble, and the thyristor unit 520 is relatively fast to overhaul or replace.
As a preferred embodiment, referring to fig. 4, the rotation shaft 532 has a first receiving groove 5321 extending along a length direction thereof, one end of the plugging shaft 533 is slidably disposed in the first receiving groove 5321, the first elastic member 534 is disposed in the first receiving groove 5321, and one end of the first elastic member 534 is fixedly connected with a groove wall of the first receiving groove 5321, so that the movement of the plugging shaft 533 can be guided by the first receiving groove 5321, so that the movement of the plugging shaft 533 is more stable.
As a preferred embodiment, referring to fig. 4, the connecting piece 530 further includes two abutting discs 535, the two abutting discs 535 are respectively and fixedly sleeved on the corresponding plugging shafts 533 and located outside the first accommodating grooves 5321, so that the other ends of the plugging shafts 533 extend into the connecting holes 114, the side walls of the abutting discs 535 abut against the inner side walls of the substrates 120, and the abutting discs 535 play a role of propping apart the two substrates 120, so as to avoid the influence on components caused by inward extrusion of the two substrates 120.
As a preferred embodiment, please refer to fig. 1 and 5, the mining general type high-voltage soft start cabinet power valve group structure further includes a plurality of limiting members 600, each limiting member 600 is disposed outside the cavity 110 and is in one-to-one correspondence with the corresponding connecting hole 114, the limiting members 600 include a rotating rod 610, a limiting shaft 620 and a second elastic member 630, one end of the rotating rod 610 is rotatably mounted on the base plate 120, the other end of the rotating rod 610 is provided with a second accommodating groove 611, one end of the limiting shaft 620 is slidably disposed in the second accommodating groove 611, one end of the second elastic member 630 is fixedly connected with a groove wall of the second accommodating groove 611, the other end of the second elastic member 630 is fixedly connected with one end of the limiting shaft 620, the other end of the rotating rod 610 can reciprocate between a first position and a second position, when the other end of the rotating rod 610 is in the first position, the other end of the rotating rod 610 is aligned with the limiting shaft 620, the other end of the rotating rod 620 is required to be moved out of the connecting hole 114, and the other end of the connecting shaft 620 is pushed into the connecting hole 114 by the rotating rod 114, and the other end of the rotating rod 630 is pushed out of the connecting hole 114, and the other end of the connecting shaft 620 is required to be pushed into the connecting hole 114, thereby, the plugging shaft 533 can be contacted with the base plate 120 in a clamped manner, and the plugging shaft 533 is kept in a state disconnected from the base plate 120, so that the whole thyristor unit 500 is conveniently taken out.
As a preferred embodiment, referring to fig. 5, the rotating rod 610 is detachably connected to the base plate 120 by magnetic attraction, so that the detachable connection of the rotating rod 610 and the base plate 120 is very convenient.
As a preferred embodiment, please refer to fig. 2 and 3, the mining general type high-voltage soft start cabinet power valve group structure further includes a heat dissipation unit 700, the heat dissipation unit 700 includes a plurality of heat sinks 710, each heat sink 710 is disposed between two fixing rods 510 and corresponds to the corresponding thyristors 520 one by one, the heat sinks 710 are fixed on the two fixing rods 510 and fixedly connected to the corresponding thyristors 520, each thyristor 520 is disposed along the length direction of the fixing rod 510 at intervals, and the heat sinks 710 are used for dissipating heat from the thyristors 520.
As a preferred embodiment, please refer to fig. 1, the power valve group structure of the mining general type high voltage soft start cabinet further includes a measurement module unit 800, where the measurement module unit 800 is disposed outside the cavity 110 and is fixed on one of the fixing plates 130, so as to monitor data of each component.
For better understanding of the present utility model, the following details of the working principle of the technical solution of the present utility model are described with reference to fig. 1 to 5:
the power valve group structure of the mining general type high-voltage soft start cabinet has the following beneficial effects:
(1) The grip 531 is disposed between the two fixing rods 510, the two rotation shafts 532 are respectively disposed at two ends of the grip 531, one ends of the two rotation shafts 532 are fixedly connected with the grip 531, and the other ends of the two rotation shafts 532 respectively rotate through the corresponding fixing rods 510, so that the grip 531 can rotate relative to the fixing rods 510, and the whole thyristor unit 500 is conveniently taken by the grip 531, or when the whole thyristor unit 500 is fixedly connected with the frame 100, the whole power valve group can be conveniently taken by the grip 531, and the abutting disc 535 plays a role of supporting the two base plates 120, so that the influence of inward extrusion of the two base plates 120 on components is avoided;
(2) By pressing the two plugging shafts 533 in sequence, the two plugging shafts 533 compress the corresponding first elastic members 534 respectively, and the whole thyristor unit 500 is placed at a preset position in the second installation cavity 113, so that the plugging shafts 533 respectively correspond to the corresponding connection holes 114 one by one, then the plugging shafts 533 are loosened, the second elastic members 630 lose the pressing action and are in a natural state, and apply an acting force to the plugging shafts 533, so that the other ends of the plugging shafts 533 extend into the connection holes 114, when the thyristor unit 500 needs to be overhauled or replaced, the other ends of the rotating rods 610 are positioned at a first position, and the second elastic members 630 can push the other ends of the limiting shafts 620 into the connection holes 114 and move out of the connection holes 114, so that the other ends of the plugging shafts 533 can contact the shafts 533 and the thyristor unit 120, and the thyristor unit 500 can be conveniently detached from the installation cavity 520 or replaced when the thyristor unit 500 needs to be overhauled or replaced, and the thyristor unit 500 is conveniently removed from the installation cavity 120;
(3) The capacitor unit 300 and the resistor unit 400 are both arranged in the first installation cavity 111, the thyristor unit 500 is arranged in the second installation cavity 113, the first installation cavity 111 and the second installation cavity 113 are separated by the protection cavity 112, so that the capacitor component and the resistor component generate discharge phenomenon in the working process of the power valve bank, the thyristor 520 component cannot be damaged, and the thyristor unit 500 is very convenient to assemble and disassemble, and is relatively quick when the thyristor 520 is overhauled or replaced.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any of various other corresponding changes and modifications made according to the technical idea of the present utility model should be included in the scope of the claims of the present utility model.
Claims (10)
1. The utility model provides a mining general type high-voltage soft start cabinet power valves structure which characterized in that includes:
the frame is provided with a cavity with an upper surface and a lower surface which are both provided with openings;
the two partition plates are vertically arranged in the cavity at intervals and are used for dividing the cavity into a first installation cavity, a protection cavity and a second installation cavity which are arranged side by side;
the capacitor unit is arranged in the first mounting cavity;
the resistor unit is arranged in the first mounting cavity;
the two thyristor units are oppositely arranged in the second mounting cavity, each thyristor unit comprises two vertical fixing rods which are arranged at intervals, a plurality of thyristors which are detachably arranged between the two fixing rods, and two connecting pieces which are respectively arranged at two ends of the fixing rods, each connecting piece is provided with a middle section which is arranged between the two fixing rods and two connecting sections which are respectively provided with a telescopic structure, one ends of the two connecting sections are respectively fixedly connected with two ends of the middle section, and the other ends of the two connecting sections respectively penetrate through the corresponding fixing rods and are used for being clamped with the frame.
2. The mining general type high-voltage soft start cabinet power valve group structure according to claim 1, wherein a plurality of connecting holes are formed in the side wall of the second installation cavity, and the other end of each connecting section penetrates through the corresponding fixing rod and is used for extending into the corresponding connecting hole.
3. The mining general type high-voltage soft start cabinet power valve group structure according to claim 2, wherein the frame comprises two parallel substrates and two fixing plates, the two fixing plates are perpendicular to the substrates and are arranged between the two substrates at intervals in a detachable mode to form the cavity, and the connecting holes are formed in the two substrates in a corresponding mode.
4. The mining general type high-voltage soft start cabinet power valve group structure according to claim 3, wherein the connecting piece comprises a handle, two rotating shafts, two plug-in shafts and two first elastic pieces, the handle is used for forming the middle section, the rotating shafts, the plug-in shafts and the first elastic pieces are used for forming the connecting section, the handle is arranged between the two fixing rods, the two rotating shafts are respectively arranged at two ends of the handle, one ends of the two rotating shafts are fixedly connected with the handle, the other ends of the two rotating shafts respectively rotate through the corresponding fixing rods, one ends of the two first elastic pieces are respectively fixed at the other ends of the corresponding rotating shafts, and the other ends of the two first elastic pieces are respectively fixedly connected with one ends of the corresponding plug-in shafts and are used for pushing the other ends of the plug-in shafts into the corresponding connecting holes.
5. The mining general type high-voltage soft start cabinet power valve group structure according to claim 4, wherein the rotating shaft is internally provided with a first accommodating groove extending along the length direction of the rotating shaft, one end of the plug-in shaft is slidably arranged in the first accommodating groove, the first elastic piece is arranged in the first accommodating groove, and one end of the first elastic piece is fixedly connected with the groove wall of the first accommodating groove.
6. The mining general type high-voltage soft start cabinet power valve group structure according to claim 5, wherein the connecting piece further comprises two abutting discs, the two abutting discs are respectively and fixedly sleeved on the corresponding plug shafts and located outside the first accommodating grooves, so that the other ends of the plug shafts extend into the connecting holes, and the side walls of the abutting discs are abutted against the inner side walls of the base plates.
7. The mining general type high-voltage soft start cabinet power valve group structure according to claim 6, further comprising a plurality of limiting pieces, wherein each limiting piece is arranged outside the cavity and corresponds to the corresponding connecting hole one by one, each limiting piece comprises a rotating rod, a limiting shaft and a second elastic piece, one end of each rotating rod is rotatably arranged on the base plate, a second accommodating groove is formed in the other end of each rotating rod, one end of each limiting shaft is slidably arranged in the corresponding second accommodating groove, the second elastic piece is arranged in the corresponding second accommodating groove, one end of each second elastic piece is fixedly connected with the groove wall of the corresponding second accommodating groove, the other end of each second elastic piece is fixedly connected with one end of each limiting shaft, the other end of each rotating rod can reciprocate between a first position and a second position, when the other end of each rotating rod is in the first position, the limiting shaft is aligned with the corresponding connecting hole, the other end of each rotating rod is used for pushing the other end of each limiting shaft into the corresponding connecting hole, and the other when the other ends of the corresponding rotating rod are moved out of the corresponding connecting hole, and the corresponding rotating rod can be detached from the corresponding connecting hole.
8. The mining general type high-voltage soft start cabinet power valve group structure according to claim 7, wherein the rotating rod is detachably connected with the base plate through magnetic attraction.
9. The mining general type high-voltage soft start cabinet power valve group structure according to claim 3, further comprising a heat dissipation unit, wherein the heat dissipation unit comprises a plurality of heat dissipaters, each heat dissipater is arranged between two fixing rods and corresponds to the corresponding thyristors one by one, and the heat dissipaters are fixed on the two fixing rods and fixedly connected with the corresponding thyristors.
10. The mining general type high-voltage soft start cabinet power valve group structure according to claim 3, further comprising a measurement module unit, wherein the measurement module unit is arranged outside the cavity and is fixed on one of the fixing plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322088826.5U CN220440554U (en) | 2023-08-03 | 2023-08-03 | Power valve group structure of mining general type high-voltage soft start cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322088826.5U CN220440554U (en) | 2023-08-03 | 2023-08-03 | Power valve group structure of mining general type high-voltage soft start cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN220440554U true CN220440554U (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322088826.5U Active CN220440554U (en) | 2023-08-03 | 2023-08-03 | Power valve group structure of mining general type high-voltage soft start cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN220440554U (en) |
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2023
- 2023-08-03 CN CN202322088826.5U patent/CN220440554U/en active Active
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