CN217114192U

CN217114192U - Dual-power automatic transfer switch

Info

Publication number: CN217114192U
Application number: CN202220959563.3U
Authority: CN
Inventors: 施旭彬; 曾国疆
Original assignee: Zhejiang Qiantai Electrical Co ltd
Current assignee: Zhejiang Qiantai Electrical Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-02
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to an automatic change-over switch. The method comprises the following steps: the wiring mechanism comprises a first wiring box and a second wiring box arranged above the first wiring box, one end of the first wiring box and one end of the second wiring box are provided with a group of input terminal rows arranged at intervals, the other end of the first wiring box and the second wiring box are provided with a group of output terminal rows arranged at intervals, slidable movable terminal seats are arranged between the first wiring box and the second wiring box, a group of movable terminals for connecting or disconnecting the input terminal rows and the output terminal rows are arranged on the movable terminal seats, the first wiring box comprises a first base and a first shell arranged above the first base, the second wiring box comprises a second base and a second shell arranged above the second base, and a group of positioning column slots arranged at intervals are arranged on the two sides of the first base and the second base corresponding to the movable terminal seats, and a group of positioning columns inserted into the positioning column slots are arranged on the first shell and the second shell, and the positioning columns are used for positioning the movable terminal seat.

Description

Dual-power automatic transfer switch

Technical Field

The utility model relates to a dual supply automatic transfer switch.

Background

The double-power automatic transfer switch is automatically connected to a standby power supply through the double-power transfer switch when power is suddenly cut off, so that the operation of people is not stopped and can still continue to operate. The dual-power automatic transfer switch is used for one way of standby power supply simply, and when common power fails or is in power failure, the common power supply is automatically switched into the standby power supply through the dual-power transfer switch (the standby power supply can also be supplied with power by a generator under small load), so that equipment can still normally operate.

The structure of the traditional dual-power automatic transfer switch comprises: actuating mechanism, establish the wiring mechanism of actuating mechanism one side, the one end of wiring mechanism are equipped with a set of interval arrangement's input terminal row, the other end is equipped with a set of interval arrangement's output binding post, all are equipped with slidable movable terminal seat in the centre of wiring mechanism, are equipped with a set of movable terminal that is used for the switch-on or breaks on movable terminal seat input terminal row, output binding post's movable terminal. There are disadvantages in that: the movable terminal seat is directly installed in the installation groove of the wiring mechanism base, the stability of the movable terminal seat is poor, the movable terminal seat can not be in accurate butt joint with an input terminal wiring bar and an output terminal wiring terminal easily, the sliding resistance of the movable terminal seat is large in addition, and the resistance of the operating handle is too large.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a dual supply automatic transfer switch that movable terminal seat stability is good, the resistance is little.

In order to solve the above problem, the utility model discloses a technical scheme include: actuating mechanism, establish the wiring mechanism of actuating mechanism one side, wiring mechanism is by I way terminal box, establish II way terminal boxes of I way terminal box top are constituteed, I way terminal box, II way terminal box one end are equipped with a set of interval arrangement's input terminal row, the other end is equipped with a set of interval arrangement's output binding post, the centre of I way terminal box, II way terminal box all is equipped with slidable movable terminal seat, be equipped with a set of switch-on or disconnection that is used for on the movable terminal seat input terminal row, output binding post's movable terminal, I way terminal box is by first base, establish the first casing of first base top is constituteed, II way terminal box is by the second base, establish the second casing of second base top is constituteed, its characterized in that: the first base and the second base correspond to two sides of the movable terminal seat and are provided with a group of positioning column slots which are arranged at intervals, a group of positioning columns which are inserted into the positioning column slots are arranged on the first shell and the second shell, and the positioning columns are used for positioning the movable terminal seat.

The dual-power automatic change-over switch is characterized in that: two supporting ribs which are in sliding fit with the tops of the movable terminal seats are arranged in the first shell and the second shell.

The dual-power automatic change-over switch is characterized in that: the input of first base is equipped with interval arrangement's input terminal mounting groove, input terminal row lower extreme is installed in the input terminal mounting groove.

The dual-power automatic change-over switch is characterized in that: the output of first casing, second casing all is equipped with interval arrangement's output terminal mounting groove, output binding post installs in the output terminal mounting groove.

The dual-power automatic change-over switch is characterized in that: the upper ends of the first base and the second base are respectively provided with a group of positioning holes, and the bottoms of the first shell and the second shell are provided with positioning lugs matched with the positioning holes in a positioning mode.

The dual-power automatic change-over switch is characterized in that: the positioning column is sheet-shaped.

The utility model discloses a dual supply automatic transfer switch advantage as follows: 1. through the design of a positioning structure between the base and the shell, the movable terminal seat can move very stably, so that the movable terminal can be ensured to be accurately butted with an input terminal row and an output terminal; 2. two supporting ribs arranged in the shell are in sliding fit with the movable terminal seat to reduce the contact surface with the movable terminal seat, so that the sliding resistance of the outer movable terminal seat is reduced while the movable terminal is ensured to move stably.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

Fig. 1 is a schematic diagram of a front structure of a dual power automatic transfer switch of the present invention;

fig. 2 is a schematic diagram of a back structure of the dual power automatic transfer switch of the present invention;

fig. 3 is a cross-sectional view of the dual power automatic transfer switch of the present invention;

FIG. 4 is an exploded view of the I-way junction box of the present invention;

fig. 5 is a schematic structural diagram of the first base of the present invention;

fig. 6 is a schematic structural diagram of the first housing of the present invention;

fig. 7 is a schematic structural view of a second base of the present invention;

fig. 8 is a schematic structural diagram of the second housing of the present invention.

Detailed Description

Referring to fig. 1-8, the utility model discloses a dual power automatic transfer switch, including actuating mechanism 1, establish the wiring mechanism 2 of actuating mechanism 1 one side. The wiring mechanism 2 is composed of a wiring box 3 in the I path and a wiring box 4 in the II path above the wiring box 3 in the I path. I way terminal box 3, II way 4 one end of terminal box are equipped with a set of interval arrangement's input terminal row 5, I way terminal box 3, II way 4 other ends of terminal box are equipped with a set of interval arrangement's output binding post 6. The middles of the wiring boxes 3 and 4 are respectively provided with a slidable movable terminal seat 7. And a group of movable terminals 8 for connecting or disconnecting the input terminal strip 5 and the output terminal strip 6 are arranged on the movable terminal seat 7. The I-way junction box 3 is composed of a first base 9 and a first shell 10 arranged above the first base 9, and the first base 9 and the first shell 10 are fixed through screws. II way terminal box 4 comprises second base 11, establishes second casing 12 above second base 11, adopt the screw fixation between second base 11, the second casing 12. First base 9, second base 11 correspond movable terminal seat 7 both sides all are equipped with a set of interval arrangement's reference column slot 13, be equipped with a set of reference column 14 that inserts on first casing 10, the second casing 12 in the reference column slot 13, reference column 14 is used for right movable terminal seat 7 advances line location. The left and right side surfaces of the movable terminal base 7 are positioned by the positioning posts 14 to prevent shaking thereof.

Preferably, two supporting ribs 15 which are in sliding fit with the top of the movable terminal base 7 are arranged in the first shell 10 and the second shell 12. The supporting ribs 15 are used for positioning the top of the movable terminal base 7 so as to further improve the moving stability of the movable terminal base.

Preferably, the input end of the first base 9 is provided with input end terminal installation grooves 16 arranged at intervals, and the lower end of the input terminal block 5 is installed in the input end terminal installation grooves 16. The output ends of the first shell 10 and the second shell 12 are provided with output end terminal mounting grooves 17 which are arranged at intervals, and the output end wiring terminals 6 are mounted in the output end terminal mounting grooves 17. To improve the security of the wiring.

Preferably, a set of positioning holes 18 are formed in the upper ends of the first base 9 and the second base 11, and positioning protrusions 19 matched with the positioning holes 18 are formed at the bottoms of the first shell 10 and the second shell 12 in a positioning manner. The accuracy of installation between base and the casing is in order to further improve the movable terminal can with input terminal row of being connected, the accurate butt joint of output binding post.

Preferably, the positioning posts 14 are in a sheet shape to reduce the contact area with the movable terminal base 7, thereby reducing the resistance.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides a dual supply automatic transfer switch, includes actuating mechanism (1), establishes wiring mechanism (2) of actuating mechanism (1) one side, wiring mechanism (2) are by way terminal box (3) of I, establish II way terminal box (4) of way terminal box (3) top are constituteed, way terminal box (3) of I, II way terminal box (4) one end are equipped with input terminal row (5) of a set of interval arrangement, the other end is equipped with output binding post (6) of a set of interval arrangement, the centre of way terminal box (3), II way terminal box (4) all is equipped with slidable movable terminal seat (7), be equipped with a set of switch-on or disconnection on movable terminal seat (7) be used for input terminal row (5), output binding post (6) movable terminal (8), way terminal box (3) are by first base (9), Establish first casing (10) of first base (9) top are constituteed, II way terminal box (4) by second base (11), establish second casing (12) above second base (11) are constituteed, its characterized in that: first base (9), second base (11) correspond movable terminal seat (7) both sides all are equipped with reference column slot (13) of a set of interval arrangement, be equipped with a set of inserting on first casing (10), second casing (12) reference column (14) in reference column slot (13), reference column (14) are used for right movable terminal seat (7) are fixed a position.

2. The dual power automatic transfer switch of claim 1, wherein: two supporting ribs (15) which are in sliding fit with the tops of the movable terminal seats (7) are arranged in the first shell (10) and the second shell (12).

3. The dual power automatic transfer switch of claim 1, wherein: the input of first base (9) is equipped with interval arrangement's input terminal mounting groove (16), input terminal row of working a telephone switchboard (5) lower extreme is installed in input terminal mounting groove (16).

4. The dual power automatic transfer switch of claim 1, wherein: the output of first casing (10), second casing (12) all is equipped with interval arrangement's output terminal mounting groove (17), output binding post (6) are installed in output terminal mounting groove (17).

5. The dual power automatic transfer switch of claim 1, wherein: a group of positioning holes (18) are formed in the upper ends of the first base (9) and the second base (11), and positioning convex blocks (19) matched with the positioning holes (18) in a positioning mode are arranged at the bottoms of the first shell (10) and the second shell (12).

6. The dual power automatic transfer switch of claim 1, wherein: the positioning column (14) is sheet-shaped.