CN217883210U - Air-cooled power regulating power supply device for thyristor - Google Patents
Air-cooled power regulating power supply device for thyristor Download PDFInfo
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- CN217883210U CN217883210U CN202222096983.6U CN202222096983U CN217883210U CN 217883210 U CN217883210 U CN 217883210U CN 202222096983 U CN202222096983 U CN 202222096983U CN 217883210 U CN217883210 U CN 217883210U
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Abstract
The utility model relates to a power supply unit is transferred to air-cooled type of thyristor belongs to the semiconductor switch field. The device comprises a cabinet top fan, a cabinet body, an air duct in the cabinet, a synchronous trigger plate assembly, a voltage division plate assembly, a high-voltage vacuum contactor, an overvoltage protector, a bottom support, a heater, a transformer, a temperature and humidity control assembly, a thyristor module group, a high-voltage cable joint edge binding beam, a contactor outgoing line copper bar, an incoming line copper bar, an outgoing line copper bar and a low-voltage control cabin. The temperature and humidity control components are uniformly arranged in the front part and the rear part to ensure the service life and the safety of the device. The secondary control loop device is installed in the door panel low-pressure cabin. Its advantage does: the space in the cabinet is fully utilized, and the high-voltage insulation requirement is met; the cooling efficiency of thyristor module group is improved, the processing maintenance efficiency is improved, and the overall aesthetic degree of the device is increased.
Description
Technical Field
The utility model belongs to the semiconductor switch field relates to a power supply unit is transferred to thyristor air-cooled.
Background
At present, the circuit topology structure of the power regulating power supply device mainly adopts a mode of controlling the soft start and stop of a motor by regulating the magnitude of input voltage, namely, a thyristor component module in three opposite parallel connections is added between a power supply and a controlled motor in series, chopping of an alternating current three-phase power supply is realized by controlling the conduction angle of a thyristor, the amplitude of output voltage is controlled, and in the starting process of the motor, the power regulating power supply device increases the terminal voltage of the motor according to a set starting curve to enable the motor to accelerate smoothly. The power adjusting power supply device has various structural designs and different structural layouts, and has great influence on circuit distribution parameters, reliability, heat dissipation performance and the like of the power adjusting power supply device.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a power supply unit is transferred to thyristor air-cooled provides a simple, optimize, reliable thyristor air-cooled power supply unit structural design transfers, under the prerequisite that satisfies electrical property, improves the reliability, practices thrift raw and other materials, and the assembly preparation of being convenient for improves processing maintenance efficiency, reinforcing means's whole aesthetic measure, reducing means cost, reinforcing means's whole aesthetic measure.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a thyristor air-cooled power regulation power supply device comprises a cabinet top fan 1, a cabinet body 2, an air duct 3 in the cabinet, a synchronous trigger plate assembly 4, a voltage division plate assembly 5, a high-voltage vacuum contactor 6, an overvoltage protector 7, a bottom support 8, a temperature and humidity control assembly 11, a thyristor module group 12, a high-voltage cable insulation binding beam 13, an incoming copper bar 15 and an outgoing copper bar 16;
the cabinet body is fixed on the bottom support 8 and is divided into a thyristor module group 12 in front of the cabinet, an incoming copper bar 15 and an outgoing copper bar 16 behind the cabinet through an air duct 3 in the cabinet;
a high-voltage vacuum contactor 6, a synchronous trigger plate component 4, a voltage division plate component 5 and an overvoltage protector 7 are installed at the rear part of the cabinet body;
the high-voltage cable connecting part in the cabinet body is bound with a wire beam 13 through high-voltage cable insulation;
the air-cooled thyristor power modules in the thyristor module group 12 on the side of the thyristor module component in front of the cabinet body are all provided with guide rails and vent holes, and the thyristor components dissipate heat through an air duct 3 in the cabinet;
the temperature and humidity control components 11 are uniformly arranged in the front part and the rear part to ensure the service life and the safety of the device;
the secondary control loop device and the low-voltage device are arranged on the door plate of the cabinet body 2.
Optionally, a heater 9 and a transformer 10 are further arranged at the front part of the cabinet of the bottom support 8; the heater 9 is connected with a temperature and humidity control component 11;
the high-voltage vacuum contactor 6 at the front part of the cabinet is also connected with a contactor outgoing line copper bar 14.
Optionally, the door panel is provided with a low-pressure control cabin 17, the door panel is provided with a low-pressure cabin small door, and the secondary control loop device and the low-pressure component are installed in the low-pressure control cabin 17 of the cabinet body.
Optionally, the thyristor module assemblies are supported by glass channel steel, the radiator of each thyristor module directly corresponds to the air duct hole, and an air duct is formed between each thyristor module and the air duct hole for heat dissipation when the thyristor module assemblies are safely isolated by an insulating plate.
Optionally, the number of the air-cooled thyristor power modules is 9, and each group of 3 air-cooled thyristor power modules is arranged left and right to form one of three alternating-current ABC phases, which are ABC terms from top to bottom in sequence.
Optionally, the air-cooled thyristor power modules are fixed on the insulating support beam and independently installed, and independent vent holes are formed in the insulating back plate.
Optionally, the high-voltage vacuum contactor 6, the incoming copper bar 15 and the outgoing copper bar 16 are fixed on the rear side of the cabinet and connected by a busbar.
Optionally, the secondary control loop device is connected to an overvoltage protector 7, so as to prevent the device from being damaged due to overvoltage.
Optionally, an iron wiring groove is arranged on the inner side of the frame of the cabinet body 2.
Optionally, the high-voltage cable insulation binding beam 13 is an insulating glass channel steel.
The beneficial effects of the utility model reside in that:
the power module is an air-cooled thyristor power module, and has the advantages of good high-voltage insulation performance, high heat dissipation efficiency, reasonable and simple structure and reliable performance.
The cabinet body frame is a self-developed splicing framework, and is flexible to use, low in cost, raw material-saving and reliable in quality.
The cabinet body is fixed at the collet by 1 cabinet body, and is divided into two parts of being qualified for the next round of competitions behind thyristor module group spare and the cabinet before the cabinet through the wind channel with the cabinet body. The installation is convenient, structural strength is good, the transportation is convenient.
Every "a thyristor air-cooled power module" is fixed on an insulating supporting beam, all can independently install and maintain, and insulating backplate department has all opened independent ventilation hole and has added insulating properties and radiating efficiency.
It has wicket and low pressure cabin to inlay on the door plant before the cabinet body, and secondary control circuit board and low pressure components and parts are all installed in the low pressure cabin indoor, completely with circuit board and low pressure components and parts and high-voltage circuit isolated the coming, better protection secondary control circuit.
The control cable wiring groove is an iron wiring groove, so that a secondary control loop cable is thoroughly separated from the main loop, and the secondary control loop is ensured not to be influenced by the interference of the main loop.
The incoming and outgoing line copper bar joint is arranged in the middle of the rear of the cabinet, and the overvoltage protector is fixed under the outgoing line busbar to facilitate on-site wiring.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
For the purposes of promoting a better understanding of the objects, features and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the present invention;
fig. 3 is a perspective view of the thyristor module assembly of the present invention.
Reference numerals: the cabinet top fan 1, the cabinet body 2, the air duct 3 in the cabinet, the synchronous trigger plate component 4, the voltage division plate component 5, the high-voltage vacuum contactor 6, the overvoltage protector 7, the bottom support 8, the heater 9, the transformer 10, the temperature and humidity control component 11, the thyristor module group 12, the high-voltage cable insulation binding wire beam 13, the contactor outgoing line copper bar 14, the incoming line copper bar 15, the outgoing line copper bar 16 and the low-voltage control cabin 17.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in any way limiting the scope of the invention; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "front", "back", etc., indicating directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limiting the present invention, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
As shown in fig. 1, the air-cooled power supply device with thyristor comprises a cabinet top fan 1, a cabinet body 2, an air duct 3 in the cabinet, a synchronous trigger plate assembly 4, a voltage division plate assembly 5, a high-voltage vacuum contactor 6, an overvoltage protector 7, a bottom support 8, a heater 9, a transformer 10, a temperature and humidity control assembly 11, a thyristor module group 12, a high-voltage cable insulation binding beam 13, a contactor outgoing line copper bar 14, an incoming line copper bar 15, an outgoing line copper bar 16 and a low-voltage control cabin 17. The cabinet body is fixed at the collet by 1 cabinet body, and is divided into two parts of being qualified for the next round of competitions behind thyristor module group spare and the cabinet before the cabinet through the wind channel with the cabinet body.
As shown in figure 1, large devices such as a high-voltage vacuum contactor, a synchronous trigger, an overvoltage protector and the like are reasonably arranged on the rear outlet side of the cabinet.
As shown in FIG. 1, the thyristor module group in front of the cabinet is installed with fixed thyristor units
As shown in fig. 1, the overvoltage protector is connected into a loop to prevent the device from being damaged due to overvoltage.
As shown in figure 1, the contact of the incoming and outgoing line copper bar is arranged in the middle of the rear of the cabinet, and the overvoltage protector is fixed right below the outgoing line bus bar to facilitate on-site wiring.
As shown in fig. 2, the secondary control circuit board and low voltage components are mounted in a low voltage compartment on the front door panel, and the cables are connected to the cabling channels in the cabinet through openings in the side of the low voltage compartment.
As shown in fig. 3, the power modules are "one kind of air-cooled thyristor power modules", 9 power modules are arranged in a left-right direction, and each of the three power modules is composed of three alternating-current ABC phases, which are ABC terms from top to bottom.
As shown in fig. 3, the power modules in the thyristor module group are all provided with guide rails, which are convenient for installation and maintenance and provided with independent vent holes to avoid temperature accumulation between the modules, thereby increasing the heat dissipation efficiency. Temperature and humidity control assemblies are uniformly distributed in the two cabinets, so that the service life and safety of the devices are guaranteed.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
1. A thyristor air-cooled power supply unit that transfers, its characterized in that: the device comprises a cabinet top fan (1), a cabinet body (2), an air duct (3) in the cabinet, a synchronous trigger plate assembly (4), a pressure dividing plate assembly (5), a high-voltage vacuum contactor (6), an overvoltage protector (7), a bottom support (8), a temperature and humidity control assembly (11), a thyristor module group (12), a high-voltage cable insulation binding beam (13), an incoming copper bar (15) and an outgoing copper bar (16);
the cabinet body is fixed on a bottom support (8) and is divided into a thyristor module group (12) in front of the cabinet, an incoming copper bar (15) and an outgoing copper bar (16) behind the cabinet through an air duct (3) in the cabinet;
a high-voltage vacuum contactor (6), a synchronous trigger plate component (4), a voltage division plate component (5) and an overvoltage protector (7) are installed at the rear part of the cabinet body;
the high-voltage cable connecting part in the cabinet body is bound with a wire beam (13) through high-voltage cable insulation;
air-cooled thyristor power modules in the thyristor module group (12) on the side of the thyristor module component in front of the cabinet body are all provided with guide rails and vent holes, and the thyristor component dissipates heat through an air duct (3) in the cabinet;
temperature and humidity control components (11) are uniformly arranged in the front part and the rear part to ensure the service life and the safety of the device;
the secondary control loop device and the low-voltage component are arranged on a door plate of the cabinet body (2).
2. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: the front part of the cabinet of the bottom support (8) is also provided with a heater (9) and a transformer (10); the heater (9) is connected with the temperature and humidity control component (11);
the high-voltage vacuum contactor (6) at the front part of the cabinet is also connected with a contactor wire outlet copper bar (14).
3. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: the door plate is provided with a low-pressure control cabin (17), the door plate is provided with a small low-pressure cabin door, and the secondary control loop device and the low-pressure component are installed in the low-pressure control cabin (17) of the cabinet body.
4. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: the thyristor module assembly is supported by glass channel steel, the radiator of each thyristor module directly corresponds to an air duct hole, and an air duct is formed between every two adjacent thyristor modules for heat dissipation when safe isolation is carried out by an insulating plate.
5. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: the number of the air-cooled thyristor power modules is 9, 3 air-cooled thyristor power modules in each group are arranged left and right to form one of three alternating-current ABC phases, and ABC items are arranged from top to bottom in sequence.
6. The thyristor air-cooled power regulation power supply device according to claim 5, characterized in that: the air-cooled thyristor power modules are fixed on the insulating support beam and independently installed, and independent vent holes are formed in the insulating back plate.
7. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: the high-voltage vacuum contactor (6), the incoming line copper bar (15) and the outgoing line copper bar (16) are fixed on the rear side of the cabinet and connected through busbars.
8. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: and the secondary control loop device is connected into an overvoltage protector (7) to prevent the device from being damaged due to overvoltage.
9. The thyristor air-cooled power regulation power supply device according to claim 1, characterized in that: an iron wiring groove is arranged on the inner side of the frame of the cabinet body (2).
10. The thyristor air-cooled power regulation power supply device according to claim 9, characterized in that: the high-voltage cable insulation binding beam (13) is an insulation glass channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222096983.6U CN217883210U (en) | 2022-08-10 | 2022-08-10 | Air-cooled power regulating power supply device for thyristor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222096983.6U CN217883210U (en) | 2022-08-10 | 2022-08-10 | Air-cooled power regulating power supply device for thyristor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217883210U true CN217883210U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222096983.6U Active CN217883210U (en) | 2022-08-10 | 2022-08-10 | Air-cooled power regulating power supply device for thyristor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217883210U (en) |
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2022
- 2022-08-10 CN CN202222096983.6U patent/CN217883210U/en active Active
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