CN218414389U - Switch capable of manually adjusting low-voltage load - Google Patents

Abstract

The utility model discloses a can manually carry out switch of low pressure load adjustment mainly is applied to power switch technical field, contains 4P and moulds shell type circuit breaker, the cabinet body, cabinet door, entrance hole, wire hole, the cabinet door adopts the transparent material preparation, the cabinet body adopts stainless steel material preparation, and inside installs the insulating layer additional, cabinet body bottom sets up entrance hole, wire hole, the shell type circuit breaker is moulded to internal installation pole 4P of cabinet, and female, the isolator of three-phase mother, 4P mould shell type circuit breaker one side and set up isolator, isolator comprises static contact, moving contact, operating handle, operation base, gear groove, glass pearl screw, the wire-outlet end. Use the utility model relates to a can manually carry out switch of low pressure load adjustment, structural design science, convenient operation, accessible insulator spindle operation adjustment low pressure load, it is safe convenient, avoid personal safety accident, the phase place switching feedback is obvious, can avoid the operation personnel to pass through the insulator spindle maloperation.

Description

Switch capable of manually adjusting low-voltage load

Technical Field

The utility model relates to a power switch technical field, concretely relates to can manually carry out switch of low pressure load adjustment.

Background

The ideal state of three-phase four-wire system power supply is three-phase load balance, the neutral current is zero at the moment, and the neutral current is optionally analyzed from theory at the moment, so that the normal operation of equipment is not influenced. However, in the actual situation, three-phase balance is only relative, unbalance is absolute, and each phase voltage cannot be stably output, so that the voltage is too high or too low, and serious damage is caused to a power grid and users. The low voltage of the power grid can cause power grid oscillation, system disconnection and large-area power failure, which lead to water break, station break and telecommunication interruption, and seriously affect the life and social safety of people. The over-high voltage can directly burn the electric appliance, which causes the damage of the electric appliance and even causes fire. Therefore, the work of peak clipping and valley filling is just performed when the electrical load is adjusted, and the work of load adjustment is well performed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a can manually carry out switch of low pressure load adjustment, solve the too high or low problem of crossing excessively of voltage and through the load adjustment, guarantee the normal operating of transformer, prevent that the transformer from leading to the transformer scaling loss because of serious three-phase unbalanced load to avoid the large tracts of land to have a power failure.

The technical scheme of the utility model is that: the utility model provides a can manually carry out switch of low pressure load adjustment, includes that 4P moulds shell type circuit breaker, the cabinet body, cabinet door, entrance hole, wire hole, the cabinet door adopts transparent material preparation, the cabinet body adopts stainless steel material preparation, installs the insulating layer additional inside, cabinet body bottom sets up entrance hole, wire hole, the internal 4P of installation pole moulds shell type circuit breaker of cabinet, the female row of three-phase, isolator, 4P moulds shell type circuit breaker one side and sets up isolator, isolator comprises static contact, moving contact, operation handle base, gear groove, glass pearl screw, wire outlet end, the static contact is through female the female 4P mould shell type circuit breaker electrical connection of arranging of three-phase, operation handle base below sets up the moving contact, operation handle base top sets up the operation handle, the operation handle is connected with the moving contact, the operation handle can be rotatory around the operation handle base, the operation handle bottom sets up the glass pearl screw, operation handle base top surface sets up the gear groove, the gear groove sets up according to rotation angle, the moving contact end sets up the wire outlet.

Preferably, two groups of spring pressing sheets are arranged above and below the moving contact, and a tightening screw is arranged between the moving contact and the spring pressing sheets.

Preferably, the moving contact and the static contact are made of copper.

Preferably, the operating handle is made of an insulating material.

The principle of the utility model is as follows: the utility model is installed in the middle of the electric pole by the hoop, the cabinet body is made of stainless steel material, the insulating layer is arranged in the cabinet body, the cabinet door is made of transparent material, the cabinet body has no obvious seam, and the rainproof performance is good; the bottom of the operating handle is provided with a glass bead screw, the surface of the operating handle base is provided with three gear grooves, the operating handle is rotated, and the three phases A, B and C are switched in the three gear grooves after the glass bead screw is stressed; A. b, three phase lines and C penetrate through the wire inlet holes and are fixed in the wiring grooves above the 4P plastic shell type circuit breaker by screws, the three-phase busbar is fixedly connected in the wiring grooves below the 4P plastic shell type circuit breaker by screws, and the other end of the three-phase busbar is connected to three metal copper material static contacts of the isolating switch by screws; the moving contact is made of metal copper materials, spring pressing sheets are adopted up and down, and the clamping tightness of the two pressing sheets can be adjusted through a knob tightening screw; the wire outlet end is also made of metal copper and is used for connecting a wire to penetrate out of the wire outlet hole. The dual-purpose operating rod head is linear (be used for opening and shutting the circuit breaker plug-in strip) on one side, the another side is arc (be used for the three gear of push-and-pull switching isolator), when needs carry out voltage regulation, the operating personnel stands on ground and is connected to insulating bar with the dual-purpose operating rod head, open the cabinet door, pull down the plug-in strip of 4P plastic shell type circuit breaker with the sharp plug-in strip of dual-purpose operating rod head, break off the circuit breaker, the arc plug-in strip pulling operation handle of reuse dual-purpose operating rod head for the moving contact contacts A respectively, B, C three-phase, carry out low pressure load adjustment, reclose the plug-in strip with 4P plastic shell type circuit breaker after adjusting.

The utility model discloses the technical problem that will solve is: the switch capable of manually adjusting the low-voltage load is provided, the power energy is manually and uniformly supplied, and the situations that the power supply is insufficient in the peak load and the power cannot be sent out in the valley period are avoided; the low-voltage load is adjusted through the operation of the insulating rod, and the operation personnel can complete the low-voltage load adjustment work on the ground or without passing through a live wire, so that the working strength is reduced, and the personal safety is guaranteed.

The utility model has the advantages that: the utility model provides a switch that can manual carry out low pressure load adjustment, structural design science, convenient operation, accessible insulator spindle operation adjustment low pressure load, it is safe convenient, avoid personal safety accident, the phase place switching feedback is obvious, can avoid the operation personnel to pass through the insulator spindle maloperation.

Drawings

FIG. 1 is a reference diagram of the present invention in use;

FIG. 2 is a schematic view of the present invention;

in the figure, 101-an electric pole, 102-4P plastic shell type circuit breaker, 103-a cabinet door, 104-a wire inlet hole, 105-a wire outlet hole, 106-a three-phase busbar, 107-an operating handle, 108-a dual-purpose operating rod head, 109-a glass bead screw, 110-a gear groove, 111-a moving contact, 112-a static contact, 113-a tightening screw, 114-an operating handle base and 115-a wire outlet end.

Detailed Description

The utility model discloses a concrete implementation way does: as shown in fig. 1 and fig. 2, a switch capable of manually adjusting a low-voltage load includes a 4P plastic shell type circuit breaker 102, a cabinet body, a cabinet door 103, a wire inlet hole 104, and a wire outlet hole 105, where the cabinet door 103 is made of a transparent material, the cabinet body is made of a stainless steel material, an insulating layer is additionally installed inside the cabinet body, the bottom of the cabinet body is provided with the wire inlet hole 104 and the wire outlet hole 105, the cabinet body is internally provided with an electric pole 4P plastic shell type circuit breaker 102, a three-phase busbar 106, and an isolating switch, one side of the 4P plastic shell type circuit breaker 102 is provided with the isolating switch, the isolating switch is composed of a static contact 112, a movable contact 111, an operating handle 107, an operating handle base 114, a shift groove 110, a glass bead screw 109, and a wire outlet terminal 115, the static contact 112 is electrically connected with the 4P plastic shell type circuit breaker 102 through the three-phase busbar 106, the movable contact 111 is arranged below the operating handle base 114, the operating handle base 114 is provided with the movable contact 111, the operating handle 107 is arranged above the operating handle base 114, the operating handle base 114 is connected with the operating handle 107, the movable contact 111 is connected with the movable contact 111, the operating handle 107 is rotatable around the operating handle base 114, the operating handle base 114 is provided with the glass bead 109, the shift groove 110, the moving contact 111 is arranged on the operating handle 110, and the moving contact 111, the moving contact 111 is arranged according to a rotation angle of the terminal of the bus bar screw, and the moving contact 111.

The utility model discloses the use: the utility model is installed in the middle of the pole 101 by using the hoop, the cabinet body is made of stainless steel material, the insulating layer is added in the cabinet body, the cabinet door 103 is made of transparent material, the cabinet body has no obvious seam, and the rainproof performance is good; the bottom of the operating handle 107 is provided with a glass bead screw 109, the surface of the operating handle base 114 is provided with three shift grooves 110, the operating handle 107 is rotated, and the three phases A, B and C are switched in the three shift grooves 110 after the glass bead screw 109 is stressed; A. the three phase lines B and C penetrate through the wire inlet 104 and are fixed in the wiring groove above the 4P plastic shell type circuit breaker 102 by screws, the three-phase busbar 106 is fixedly connected in the wiring groove below the 4P plastic shell type circuit breaker 102 by screws, and the other end of the three-phase busbar 106 is connected to three fixed contacts 112 made of metal copper materials of the isolating switch by screws; the moving contact 111 is made of metal copper materials, spring pressing sheets are adopted up and down, and the clamping tightness of the two pressing sheets can be adjusted through a knob tightening screw 113; the wire outlet terminal 115 is also made of a metal copper material, and is used for connecting a wire to penetrate out of the wire outlet hole 105. When voltage adjustment is needed, an operator stands on the ground to connect the dual-purpose operating lever head 108 to the insulating operating lever, opens the cabinet door 103, pulls down the knife switch of the 4P plastic shell type circuit breaker 102 by using the linear knife switch head of the dual-purpose operating lever head 108 to disconnect the circuit breaker, pulls the operating handle 107 by using the arc knife switch head of the dual-purpose operating lever head 108 to enable the moving contact 111 to respectively contact the three phases A, B and C to perform low-voltage load adjustment, and closes the knife switch of the 4P plastic shell type circuit breaker 102 after adjustment.

Specifically, as shown in fig. 2, two sets of spring pressing pieces are disposed above and below the moving contact 111, and a tightening screw 113 is disposed between the moving contact 111 and the spring pressing pieces. The tightness degree of the spring pressing sheet can be adjusted through the tightening screw 113, so that the moving contact 111 and the static contact 112 are ensured to be in good contact.

Specifically, the moving contact 111 and the fixed contact 112 are made of copper. The moving contact 111 and the fixed contact 112 made of copper have good conductivity.

Specifically, the handle 107 is made of an insulating material. The handle 107 made of the insulating material can prevent the occurrence of short circuit of the circuit during the operation of the insulating operation rod.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides a can manually carry out switch of low pressure load adjustment, mould shell type circuit breaker (102), the cabinet body, cabinet door (103), entrance hole (104), wire hole (105) including 4P, cabinet door (103) adopt the transparent material preparation, the cabinet body adopts stainless steel material preparation, and inside installs the insulating layer additional, cabinet body bottom sets up entrance hole (104), wire hole (105), shell type circuit breaker (102), its characterized in that are moulded to internal installation pole 4P of cabinet: the isolating switch is arranged on one side of the 4P plastic shell type circuit breaker (102) and comprises a static contact (112), a moving contact (111), an operating handle (107), an operating handle base (114), a gear groove (110), a glass bead screw (109) and a wire outlet end (115), the static contact (112) is electrically connected with the 4P plastic shell type circuit breaker (102) through the three-phase bus (106), the moving contact (111) is arranged below the operating handle base (114), the operating handle (107) is arranged above the operating handle base (114), the operating handle (107) is connected with the moving contact (111), the operating handle (107) can rotate around the operating handle base (114), the glass bead screw (109) is arranged at the bottom of the operating handle (107), the gear groove (110) is arranged on the top surface of the operating handle base (114), the gear groove (110) is arranged according to the rotation angle of the moving contact (111), and the wire outlet end (115) is arranged at the tail end of the moving contact (111).

2. A switch for manual low voltage load leveling according to claim 1 wherein: two groups of spring pressing sheets are arranged above and below the moving contact (111), and a tightening screw (113) is arranged between the moving contact (111) and the spring pressing sheets.

3. A switch for manually performing low voltage load leveling as claimed in claim 1 wherein: the moving contact (111) and the static contact (112) are made of copper.

4. A switch for manually performing low voltage load leveling as claimed in claim 1 wherein: the operating handle (107) is made of an insulating material.

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