CN210517334U - Outdoor high-power change-over switch device - Google Patents
Outdoor high-power change-over switch device Download PDFInfo
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- CN210517334U CN210517334U CN201921654744.XU CN201921654744U CN210517334U CN 210517334 U CN210517334 U CN 210517334U CN 201921654744 U CN201921654744 U CN 201921654744U CN 210517334 U CN210517334 U CN 210517334U
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- over switch
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Abstract
An outdoor high-power change-over switch device comprises a shell, wherein 2 groups of change-over switch assemblies are arranged in the shell, each group of change-over switch assemblies is respectively connected with 3 groups of input copper bars and 3 groups of output copper bars through a conductive connecting busbar unit, and the input copper bars and the output copper bars are fixedly connected to a fixed gear through high-strength insulators; still be equipped with relay unit, draw terminal, the control unit, trigger unit outward in the casing, still be equipped with input cable hole, secondary cable hole and output cable hole on the casing respectively, the symmetry is fixed with rings on the casing lateral wall. Each change-over switch in the device can control 6 ways of alternating current signals simultaneously, the on-off current specification reaches alternating current 4000A and 2000V, and the device is provided with a cabinet body with the protection grade of IP55 and can be reliably used outdoors.
Description
Technical Field
The patent of the utility model relates to a high-power change over switch device of outdoor formula.
Background
The thyristor AC switch is an ideal fast AC switch, each phase of which is composed of two anti-parallel thyristors, and the on-off of high voltage and large current is realized by controlling the gate trigger by utilizing the electrical characteristics of the thyristor element. Compared with the traditional mechanical switch, the thyristor has the advantages of no mechanical contact, no limited times of combination and division caused by trivial actions, no electrical safety problem caused by electric arcs, and quick and reliable actions. The method is particularly suitable for application places which are common in operation, have high requirements on three-phase conduction consistency and have large current.
SUMMERY OF THE UTILITY MODEL
The utility model discloses its aim at provides a high-power change over switch device of outdoor formula, has solved current device and has had because of the unable problem of working for a long time in the open air of electrical safety, the great extension of the device life-span, the current control work field who is applicable to outdoor track traffic and outdoor main equipment.
The technical scheme adopted for achieving the purpose is that the outdoor high-power change-over switch device comprises a shell, wherein 2 groups of change-over switch assemblies are arranged in the shell, each group of change-over switch assemblies are respectively connected with 3 groups of input copper bars and 3 groups of output copper bars through conductive connecting bus bar units, and the input copper bars and the output copper bars are fixedly connected on a fixed gear through high-strength insulators; still be equipped with relay unit, draw terminal, the control unit, trigger unit outward in the casing, still be equipped with input cable hole, secondary cable hole and output cable hole on the casing respectively, the symmetry is fixed with rings on the casing lateral wall.
Advantageous effects
Compared with the prior art, the utility model has the following advantages.
1. Each change-over switch in the device can simultaneously control 6 paths of alternating current signals, and the on-off current specification reaches alternating current 4000A and 2000V;
2. the device is provided with a cabinet body with the protection grade of IP55, and can be reliably used outdoors.
Drawings
The present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a front view of the structure of the present invention;
FIG. 2 is a view of the internal structure of the present invention;
FIG. 3 is a rear view of the internal structure of the present invention;
FIG. 4 is a main circuit diagram of the present invention;
fig. 5 is a secondary circuit diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments and the accompanying drawings.
The device comprises a shell 1, as shown in fig. 1-3, 2 groups of change-over switch assemblies 2 are arranged inside the shell 1, each group of change-over switch assemblies 2 is respectively connected with 3 groups of input copper bars 3 and 3 groups of output copper bars 4 through a conductive connecting bus unit 7, and the input copper bars 3 and the output copper bars 4 are fixedly connected on a fixed gear 9 through high-strength insulators 8; still be equipped with relay unit 5, draw terminal 6, control unit 11, trigger unit 14 outward in the casing 1, still be equipped with input cable hole 12, secondary cable hole 13 and output cable hole 15 on the casing respectively, the symmetry is fixed with rings 10 on the casing 1 lateral wall.
The upper end of the shell 1 is provided with a cabinet top, the periphery of the cabinet top is designed into a rainproof brim, and the periphery of the lower end of the rainproof brim is provided with heat dissipation with an insect-proof net.
Be equipped with the cabinet door on casing 1, be equipped with the sealing strip in cabinet door and the link plate and seal, cabinet door and casing shelves waterside cooperation for casing 1 can reach IP 55's protection level, satisfies outdoor operation requirement.
The utility model can realize that the six-way change-over switch is simultaneously switched on and switched off; the rated working voltage of each path of the change-over switch is 2000V; the rated through-current effective value of each path of the change-over switch is alternating current 4000A; the continuous on working time of the diverter switch under rated current: no more than 1 second; the device mainly comprises a main circuit, a signal processing circuit, a trigger circuit and a secondary circuit, wherein the main circuit comprises: mainly passes through 6 paths of 0-300HZ, DC2000V voltage and DC4200A current; signal processing, triggering circuit: the method mainly receives an external input optical fiber signal, and drives a trigger switch to send out a pulse group after processing, so as to achieve the functions of switching on and switching off a thyristor; a secondary circuit: the system can mainly meet the requirement of 2-path redundant power supply, provide reliable power supply for corresponding working modules, and has related functions of heat dissipation, heating and indication.
As shown in fig. 4, the rated current effective value of the thyristor selected for the change-over switch is 6230A, which meets the requirement of the rated current effective value ac 4200A of the change-over switch, and the heat dissipation design can meet the requirement of rated current for 1 second; the model of the selector switch selected by the thyristor is rated voltage 4200V, and the requirement of 2000V rated working voltage of the selector switch is met.
As shown in fig. 5, the secondary circuit is designed mainly according to the idea that two DC110V control power supplies which are mutually standby, and mainly comprises a wiring terminal, a circuit breaker, a switching power supply, a redundant switch, a control unit, a trigger module, a heat dissipation fan and a heater; two paths of DC110V working power supplies are accessed from terminals, output DC48V and DC24V working power supplies after passing through a circuit breaker and a U1-1 … U-4 switching power supply, and respectively supply power to a control unit and a trigger module after passing through a redundant module of the switching power supply; the cabinet is internally provided with a direct current fan for heat dissipation, the heater is used for dehumidification, self-starting can be achieved, and the state can be uploaded to the monitoring background.
The utility model discloses the total 6 exchanges power supply inputs in outside, every way through two anti-parallelly connected thyristors, when outside major loop has the power input, the outside sends and opens the order, and trigger circuit sends the pulse group to anti-parallelly connected thyristor group, because anti-parallelly connected thyristor, switches on at positive and negative looks preface homoenergetic, through the electric current. When the external part sends out a stop command, the trigger loop removes the pulse group and the current is cut off. Simultaneously, the equipment has a system monitoring function: the electrical state information of each electrical element is monitored and processed and fed back to the upper computer in real time.
Claims (3)
1. An outdoor high-power change-over switch device comprises a shell (1) and is characterized in that 2 groups of change-over switch assemblies (2) are arranged in the shell (1), each group of change-over switch assemblies (2) is respectively connected with 3 groups of input copper bars (3) and 3 groups of output copper bars (4) through a conductive connecting busbar unit (7), and the input copper bars (3) and the output copper bars (4) are fixedly connected onto a fixed gear (9) through high-strength insulators (8); still be equipped with relay unit (5), draw terminal (6), the control unit (11), trigger unit (14) outward in casing (1), still be equipped with input cable hole (12), secondary cable hole (13) and output cable hole (15) on the casing respectively, the symmetry is fixed with rings (10) on casing (1) lateral wall.
2. The outdoor high-power change-over switch device according to claim 1, wherein a cabinet top is arranged at the upper end of the housing (1), the periphery of the cabinet top is designed to be a rain-proof brim, and the periphery of the lower end of the rain-proof brim is provided with heat dissipation with an insect-proof net.
3. The outdoor high-power change-over switch device according to claim 1, wherein a cabinet door is arranged on the housing (1), sealing strips are arranged in the cabinet door and the hanging plate for sealing, and the cabinet door is matched with a water blocking edge of the housing (1), so that the housing (1) can reach the protection level of IP55, and the outdoor use requirement is met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654744.XU CN210517334U (en) | 2019-09-30 | 2019-09-30 | Outdoor high-power change-over switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921654744.XU CN210517334U (en) | 2019-09-30 | 2019-09-30 | Outdoor high-power change-over switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517334U true CN210517334U (en) | 2020-05-12 |
Family
ID=70572366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921654744.XU Active CN210517334U (en) | 2019-09-30 | 2019-09-30 | Outdoor high-power change-over switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517334U (en) |
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2019
- 2019-09-30 CN CN201921654744.XU patent/CN210517334U/en active Active
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