CN214204346U - Switch contactor starts cabinet structure - Google Patents

Abstract

The utility model discloses a switch contactor starts cabinet structure, but its material saving and installation space, the input cost can be reduced, and the electric shock risk can be reduced to the easy access moreover, and it includes that the cabinet body, a plurality of are fixed in the internal baffle of cabinet, install in the internal electric components of cabinet, and the baffle separates the cabinet body for a plurality of cavity, and electric components distributes in the cavity, and electric components includes load switch, and load switch passes through the cabinet door interlocking of interlocking device and the cabinet body.

Description

Switch contactor starts cabinet structure

Technical Field

The utility model relates to a start cabinet technical field specifically is a switch contactor starts cabinet structure.

Background

The starting cabinet is mainly used for starting various high-power motors or power grids, and the soft start mode is used for replacing the traditional starting mode, so that smooth starting can be realized, starting current can be reduced, and mechanical impact of large current on the motors or the power grids during starting of the motors can be reduced. The starting cabinet mainly comprises a fan starting cabinet, a water pump soft starting cabinet and the like, when the power grid scale is large, more electrical equipment needs to be configured in the starting cabinet, only a plurality of electrical equipment can be installed in a general cabinet, when a plurality of electrical equipment is arranged in the power grid, the installation requirements of the plurality of electrical equipment can be met by at least two cabinets, more processing materials are consumed by two cabinets or a plurality of cabinets, the input cost is improved, more installation space needs to be occupied, and the cabinet is not suitable for offices and plants with limited installation space. And current start-up cabinet overhauls the operation inconvenient, when needs overhauls the internal electrical equipment of cabinet, need electrified the opening cabinet door, closes the power again, has the danger of electrocuteeing.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned problem that exists among the prior art, the utility model provides a switch contactor starts cabinet structure, but its material saving and installation space can reduce the input cost, and convenient to overhaul can reduce the risk of electrocuting moreover.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a switch contactor starts cabinet structure, its includes the cabinet body, a plurality of is fixed in the internal baffle of cabinet, install in the internal electric subassembly of cabinet, its characterized in that, the baffle will the cabinet body is separated for a plurality of cavity, electric subassembly distribute in the cavity, electric subassembly includes load switch, load switch pass through interlocking device with the cabinet door interlocking of the cabinet body.

It is further characterized in that the method further comprises the steps of,

the electric assembly also comprises a voltage transformer, a low-voltage control transformer, a vacuum contactor, a current transformer, a lightning arrester, an incoming cable and an outgoing cable which are electrically connected, wherein the incoming cable is sequentially connected with the load switch, the voltage transformer, the vacuum contactor, the current transformer, the lightning arrester and the outgoing cable in series;

the partition plates comprise at least three partition plates, each partition plate comprises a first vertical partition plate, a second vertical partition plate and a transverse partition plate, the second vertical partition plate is distributed in parallel with the first vertical partition plate, the transverse partition plate is perpendicular to the first vertical partition plate and the second vertical partition plate, the cabinet body is divided into an upper cavity and a lower cavity by the transverse partition plate, the first vertical partition plate divides the cabinet body into a left cavity and a right cavity, the second vertical partition plate is hermetically fixed above the transverse partition plate in the right cavity and divides the right cavity into a first right cavity and a second right cavity, and the electrical assemblies are distributed in the upper cavity, the lower cavity, the left cavity, the first right cavity and the second right cavity;

the second vertical partition plate is made of an aluminum-zinc plate;

the incoming cables are distributed in the first right chamber, and the outgoing cables are distributed in the second right chamber;

the load switch, the voltage transformer, the vacuum contactor, the current transformer and the lightning arrester are fixed in a right cavity of the lower cavity, and the low-voltage transformer is fixed in a left cavity of the lower cavity;

a glass window is arranged on a cabinet door of the cabinet body and corresponds to the second right chamber;

the interlocking mechanism comprises a lock tongue, a lock hole, a top lock device and a closing device, the lock hole and the top lock device are fixed at one side end of the cabinet door, the lock tongue and the closing device are installed at one side end of the load switch, the lock tongue and the closing device are matched with the load switch for use, the lock tongue corresponds to the lock hole, one side end of the closing device corresponds to the top lock device, and the other side end of the closing device corresponds to the load switch.

Adopt the utility model discloses above-mentioned structure can reach following beneficial effect: electric component distributes in each cavity of the cabinet body, compares in the current same mode of starting the electric component mounting in the different cabinet body realization electrical isolation of structure, the utility model discloses a cabinet body can realize the installation that is used for all electric components of start-up, and the accessible baffle realizes electrical isolation, and structural design is simple reasonable, has practiced thrift cabinet body preparation material, has reduced the input cost. Load switch passes through the cabinet door interlocking of interlocking device and the cabinet body in the cabinet body, and the maintainer overhauls and opens the cabinet door and make load switch's ground connection sword combined floodgate, guarantees promptly that load switch ground connection switch combined floodgate just can open cabinet body cabinet door and overhaul, has made things convenient for the maintenance operation, has reduced the risk of electric shock simultaneously.

Drawings

Fig. 1 is a front view structural block diagram of the present invention;

fig. 2 is a schematic circuit diagram of the electrical assembly of the present invention;

fig. 3 is a schematic structural view of the interlocking mechanism of the present invention;

fig. 4 is a schematic view of the structure in the direction a of fig. 3.

Detailed Description

Referring to fig. 1 and 2, a starting cabinet structure of a switch contactor comprises a vertical cabinet body 1, three partition plates fixed in the cabinet body 1 and an electrical assembly 5 installed in the cabinet body 1, wherein the partition plates divide the cabinet body into a plurality of chambers, each partition plate comprises a first vertical partition plate 2, a second vertical partition plate 3 distributed in parallel with the first vertical partition plate 2 and a transverse partition plate 4 perpendicular to the first vertical partition plate 2 and the second vertical partition plate 3, the transverse partition plate 4 divides the cabinet body 1 into an upper chamber 41 and a lower chamber 42, the first vertical partition plate 2 divides the cabinet body 1 into a left chamber and a right chamber, the second vertical partition plate 3 is hermetically fixed above the transverse partition plate 4 in the right chamber, and the right chamber 44 is divided into a first right chamber 45 and a second right chamber 46;

the electrical components are distributed in the upper chamber 41, the lower chamber 42, the left chamber 43, the first right chamber 44 and the second right chamber 45; the electrical component 5 comprises a voltage transformer 51, a low-voltage control transformer 52, a vacuum contactor 53, a current transformer 54, an arrester 55, an incoming cable 56, an outgoing cable 57 and a load switch 58 which are electrically connected, wherein the incoming cable 56 is distributed in the first right chamber 44, the outgoing cable 57 is distributed in the second right chamber 45, the load switch 58, the voltage transformer 51, the vacuum contactor 53, the current transformer 54 and the arrester 55 are fixed in the right chamber of the lower chamber 42, and the low-voltage transformer 52 is fixed in the left chamber 43 of the lower chamber 42; the load switch 58 is used as a main component of a high-voltage primary loop and has the capability of breaking and closing short-circuit current of a main loop, the voltage transformer 51 converts high voltage 10kV in the starting cabinet into low voltage 120V for measurement and protection of external equipment, and the low-voltage control transformer 52 provides power for each secondary component of the starting cabinet to ensure that the protection function of each device is started in real time; the vacuum contactor 53 is used as a load to frequently start an execution component, so that the single coil is electrically kept, and the control performance is more stable; the current transformer 54 converts the primary high-voltage current into secondary 5A current, so that the measurement and the protection of the collected signals are facilitated; the lightning arrester 55 protects the load and the control equipment and prevents the damage of overvoltage such as lightning, operation and the like to the electrical components in the starting cabinet;

the load switch 58 is interlocked with the cabinet door 10 of the cabinet body 1 through the interlocking mechanism 6, the interlocking mechanism 6 is mechanically interlocked, the interlocking mechanism 6 includes a bolt 61, a lock hole 62, a top locking device 63, a closing device 64, the closing device 64 can adopt the prior art, the interlocking mechanism is mechanically locked, the lock hole 62 and the top locking device 63 are fixed on one side end of the cabinet door, the bolt 61 and the closing device 64 are fixed on one side end of the load switch 58, the bolt 61 and the closing device 64 are used in cooperation with the load switch 58, the bolt 61 corresponds to the lock hole 62, one side end of the closing device 64 corresponds to the top locking device 63, the other side end of the closing device 64 corresponds to the load switch 58, before the load switch 58 is closed, the top locking device 63 of the cabinet door is pressed against one side end of the closing device 64 when the cabinet door 10 is closed, so that the closing device 64 rotates, and the other side end of the cabinet door leaves the closing position of the load switch 58, meanwhile, the other side end of the closing device 64 pushes the bolt 61 to be locked in the lock hole 62, the load switch 58 can be closed at the moment, and the cabinet door cannot be opened after the load switch 58 is closed, namely when the load switch 58 is closed, the cabinet door 10 is in a locking state, so that high voltage is strictly touched, and the electric shock risk is reduced; when the cabinet door is opened, the top locking device 63 leaves the closing device 64, and the other end of the closing device 64 blocks the closing position of the load switch 58, so that the closing of the load switch 58 is prevented, and the electric shock risk during maintenance is reduced; the interlocking mechanism 6 can also adopt the prior art to realize the interlocking of the cabinet door 10 and the load switch in the cabinet body;

the second vertical partition 3 is made of an aluminum-coated zinc plate, the incoming cable 56 is a high-voltage incoming cable, and the aluminum-coated zinc plate divides the right chamber 45 into two fully-sealed independent incoming compartments, so that the electrical isolation during maintenance is ensured; install glass window 7 on the cabinet door of the cabinet body 1, glass window 7 corresponds with second right cavity 45, and the setting up of glass window 7 has made things convenient for the maintainer to patrol with electricity.

The above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.

Claims (6)

1. The utility model provides a switch contactor starts cabinet structure, its includes the cabinet body, a plurality of is fixed in the internal baffle of cabinet, install in the internal electric subassembly of cabinet, its characterized in that, the baffle will the cabinet body is separated for a plurality of cavity, electric subassembly distribute in the cavity, electric subassembly includes load switch, load switch pass through interlocking device with the cabinet door interlocking of the cabinet body.

2. The starting cabinet structure of the switch contactor according to claim 1, wherein the electrical assembly further comprises a voltage transformer, a low voltage control transformer, a vacuum contactor, a current transformer, a lightning arrester, a wire inlet cable and a wire outlet cable which are electrically connected, and the wire inlet cable is serially connected with the load switch, the voltage transformer, the vacuum contactor, the current transformer, the lightning arrester and the wire outlet cable in sequence.

3. The switch contactor starting cabinet structure according to claim 2, wherein the number of the partition plates is at least three, the partition plates include a first vertical partition plate, a second vertical partition plate distributed in parallel with the first vertical partition plate, and a transverse partition plate perpendicular to the first vertical partition plate and the second vertical partition plate, the transverse partition plate divides the cabinet body into an upper chamber and a lower chamber, the first vertical partition plate divides the cabinet body into a left chamber and a right chamber, the second vertical partition plate is hermetically fixed above the transverse partition plate in the right chamber and divides the right chamber into a first right chamber and a second right chamber, and the electrical components are distributed in the upper chamber, the lower chamber, the left chamber, the first right chamber and the second right chamber.

4. The starting cabinet structure of switch contactors as claimed in claim 3, wherein said incoming cables are distributed in said first right chamber, said outgoing cables are distributed in said second right chamber, said load switch, voltage transformer, vacuum contactor, current transformer, lightning arrester are fixed in said right chamber of said lower chamber, and said low voltage control transformer is fixed in said left chamber of said lower chamber.

5. The starting cabinet structure for the switch contactor as claimed in claim 4, wherein a glass window is installed on a cabinet door of the cabinet body, and the glass window corresponds to the second right chamber.

6. The starting cabinet structure of switch contactors as claimed in claim 5, wherein said interlocking mechanism comprises a lock tongue, a lock hole, a top lock device, and a switch-on device, said lock hole and top lock device are fixed on one side of the cabinet door, said lock tongue and switch-on device are installed on one side of the load switch, said lock tongue and switch-on device are used in cooperation with said load switch, said lock tongue corresponds to said lock hole, one side of said switch-on device corresponds to said top lock device, and the other side of said switch-on device corresponds to said load switch.

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