阅读说明：本技术 自动转换开关电器的触头系统 (Contact system of automatic transfer switch electric appliance ) 是由 银引森 吴利军 彭武忠 于 2020-04-25 设计创作，主要内容包括：本发明涉及一种自动转换开关电器的触头系统,包括两组静触头、一组动触头、动触头支架,动触头设置在动触头支架内随动触头支架前后移动,两组静触头分别设置在动触头支架两侧,与动触头对应设置,所述动触头支架上设置有反馈支架,反馈支架向外延伸,反馈支架的外侧设置有微动开关,反馈支架随动触头支架移动时会触碰微动开关。本发明在动触头支架上直接连接反馈支架,与微动开关配合实现对动触头位置的准确反馈,提高反馈信号的精度,避免因动触头出现故障不能运动而导致的反馈错误。(The invention relates to a contact system of an automatic transfer switch electric appliance, which comprises two groups of static contacts, a group of moving contacts and a moving contact support, wherein the moving contacts are arranged in the moving contact support and move back and forth along with the moving contact support, the two groups of static contacts are respectively arranged on two sides of the moving contact support and correspond to the moving contacts, the moving contact support is provided with a feedback support, the feedback support extends outwards, the outer side of the feedback support is provided with a microswitch, and the feedback support can touch the microswitch when the moving contact support moves along with the moving contact support. The movable contact support is directly connected with the feedback support, and the feedback support is matched with the micro switch to realize accurate feedback of the position of the movable contact, improve the precision of a feedback signal and avoid feedback errors caused by the failure and the incapability of moving of the movable contact.)

1. The utility model provides an automatic change over switch electrical apparatus's contact system, includes two sets of static contacts, a set of moving contact, moving contact support, and the moving contact setting is followed up moving contact support back-and-forth movement in moving contact support, and two sets of static contacts set up respectively in moving contact support both sides, correspond with the moving contact and set up its characterized in that: the moving contact support is provided with a feedback support, the feedback support extends outwards, a microswitch is arranged on the outer side of the feedback support, and the feedback support can touch the microswitch when following the moving contact support to move.

2. The contact system of an automatic transfer switching apparatus according to claim 1, wherein: the contact system of the automatic transfer switching device further comprises a contact seat, the fixed contact is fixed on the upper side of the contact seat, a moving contact sliding groove is formed in the center of the contact seat, the lower side of a moving contact support is arranged in the moving contact sliding groove and slides back and forth, a feedback support is arranged on the lower side of the contact seat and is connected with the lower side of the moving contact support, the feedback support horizontally extends towards the inner end of the contact seat, and the micro switch is arranged on the lower side of the inner end of the contact.

3. The contact system of an automatic transfer switching apparatus according to claim 2, wherein: the top end of the feedback support is provided with a trigger post which is touched with the micro switch, the trigger post extends upwards, a trigger groove is formed on the contact seat corresponding to the trigger post, and the trigger post penetrates through the trigger groove to slide.

4. The contact system of an automatic transfer switching apparatus according to claim 2 or 3, wherein: a pair of clamping grooves are formed downwards on the lower side of the contact seat, and two sides of the feedback support are clamped in the clamping grooves.

5. The contact system of an automatic transfer switching apparatus according to claim 1, 2 or 3, wherein: the top end of the feedback bracket is divided into two strands to form two trigger ends, and two micro switches are arranged to correspond to the two trigger ends.

6. The contact system of an automatic transfer switching apparatus according to claim 2 or 3, wherein: the moving contact support downside is provided with the stiff end, and the upside fretwork of stiff end, the inboard of stiff end form fore-and-aft fixed slot, forms the mount that surrounds the stiff end on the feedback support, and the mount card is on the fixed end, the front end of mount inwards protruding form with the stationary dog of fixed slot adaptation, the stiff end forms the dog at the downside of mount.

7. The contact system of an automatic transfer switching apparatus according to claim 3, wherein: the upper end of the trigger column forms a large-sized top block, and one end of the trigger groove forms an insertion hole matched with the top block.

8. The contact system of an automatic transfer switching apparatus according to claim 6, wherein: a convex block is formed on the lower side of the fixed claw of the fixed frame, and a convex block is also formed on the lower side of the position, which is in contact with the top end of the fixed end, of the fixed frame.

Technical Field

The invention relates to a contact system of an automatic transfer switching device, in particular to a contact system of an automatic transfer switching device with signal feedback.

Background

The automatic transfer switching device is used in two neutral point grounding power supply systems, and the switching between power supplies is carried out due to the abnormity of one power supply, so that the reliability and the safety of power supply are ensured. The automatic transfer switch electric appliance is provided with a common power supply, a standby power supply and a two-way disconnection position, the working state of the position of a microswitch feedback switch is generally required in use, namely the states of the common power supply connection, the standby power supply connection and the two-way disconnection, the existing microswitch is generally arranged on the operation side of the automatic transfer switch electric appliance, the microswitch is directly triggered by a handle and a motor to feed back the working state, the working state of the contact side of the automatic transfer switch electric appliance cannot be accurately reflected by the mode, the contact cannot be accurately fed back when the automatic transfer switch electric appliance breaks down, and the contact cannot be accurately closed, and certain potential safety hazards exist.

Disclosure of Invention

Aiming at the defects, the invention provides the contact system of the automatic transfer switching equipment with accurate feedback.

In order to achieve the purpose, the invention adopts a contact system of an automatic transfer switching device, which comprises two groups of static contacts, a group of moving contacts and a moving contact support, wherein the moving contacts are arranged in the moving contact support and move back and forth along with the moving contact support, the two groups of static contacts are respectively arranged on two sides of the moving contact support and correspond to the moving contacts, a feedback support is arranged on the moving contact support, the feedback support extends outwards, a micro switch is arranged on the outer side of the feedback support, and the feedback support can touch the micro switch when the moving contact support moves along with the moving contact support.

The invention has the advantages that the moving contact support is directly connected with the feedback support and is matched with the micro switch to realize accurate feedback of the position of the moving contact, the precision of a feedback signal is improved, and the feedback error caused by the failure and the incapability of moving of the moving contact is avoided.

The invention further provides a contact system of the automatic transfer switching device, which comprises a contact seat, wherein a fixed contact is fixed on the upper side of the contact seat, a moving contact chute is formed in the center of the contact seat, the lower side of a moving contact support is arranged in the moving contact chute and slides back and forth, a feedback support is arranged on the lower side of the contact seat and is connected with the lower side of the moving contact support, the feedback support horizontally extends towards the inner end of the contact seat, and a microswitch is arranged on the lower side of the inner end of the contact seat.

The effect of above-mentioned technical scheme is that the main loop contact group of isolated upper end and the signal circuit feedback group of lower extreme are organized through the contact seat, carry on spacingly through the contact seat to feedback support and micro-gap switch, improve the accuracy that triggers the fine motion, assemble easily moreover.

The invention is further provided that the top end of the feedback bracket is provided with a trigger post which is contacted with the micro switch, the trigger post extends upwards, a trigger groove is formed on the contact seat corresponding to the trigger post, and the trigger post penetrates through the trigger groove and slides.

The invention is further provided that a pair of clamping grooves are formed downwards on the lower side of the contact seat, and two sides of the feedback bracket are clamped in the clamping grooves.

The invention is further provided that the upper end of the triggering column forms a large top block, and one end of the triggering groove forms an insertion hole matched with the top block.

The effect of above-mentioned technical scheme is that the cooperation and the draw-in groove setting through triggering post and triggering the groove carry on spacingly to the feedback support, can not swing when making the feedback support remove, improves the accuracy.

The invention is further provided that the top end of the feedback bracket is divided into two strands to form two trigger ends, and two micro switches are arranged corresponding to the two trigger ends.

The invention is further arranged that a fixed end is arranged at the lower side of the moving contact support, the upper side of the fixed end is hollow, a longitudinal fixed groove is formed at the inner side of the fixed end, a fixed frame surrounding the fixed end is formed on the feedback support, the fixed frame is clamped on the fixed end, the front end of the fixed frame protrudes inwards to form a fixed claw matched with the fixed groove, and a stop block is formed at the lower side of the fixed frame by the fixed end.

The invention is further provided that a convex block is formed at the lower side of the fixed claw of the fixed frame, and a convex block is also formed at the lower side of the contact part of the fixed frame and the top end of the fixed end.

The effect of the technical scheme is that the processing is more convenient.

Drawings

Fig. 1 is an exploded schematic view of an embodiment of the present invention.

Fig. 2 is a bottom view of an embodiment of the present invention.

Fig. 3 is an assembly view of the movable contact support and the feedback support according to the embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-3, an embodiment of the present invention is a contact system of an automatic transfer switching device, which includes two sets of stationary contacts 5 and one set of movable contacts 4, moving contact support 2 and contact seat 3, moving contact 4 sets up in moving contact support 2, 3 center formation moving contact spout 31 of contact seat, the downside setting of moving contact support 2 slides around in moving contact spout 31, two sets of static contacts 5 set up 3 upsides of contact seat in moving contact support 2 both sides respectively and correspond the setting with moving contact 4, be provided with feedback support 1 on the moving contact support 2, feedback support 1 sets up and is connected at 3 downside of contact seat and moving contact support 2's downside, 1 level of feedback support extends to the inner of contact seat 3, feedback support 1's the outside is provided with micro-gap switch 6, micro-gap switch 6 sets up the downside at 3 inner of contact seat, feedback support 1 can touch micro-gap switch 6 when moving contact support 2 removes.

In the embodiment of the invention, the top end of the feedback bracket 1 is provided with a trigger post 11 which is contacted with the micro switch 6, the trigger post 11 extends upwards, the upper end of the trigger post 11 is provided with a bigger top block 12, the contact block 3 is provided with a trigger slot 32 corresponding to the trigger post 11, one end of the trigger slot 32 is provided with an insertion hole 33 which is matched with the top block 12, the top block 12 of the trigger post 31 can be clamped on the upper side of the trigger slot 32 through the insertion hole 33, the trigger post 11 slides in the trigger slot 32, the lower side of the contact block 3 is provided with a pair of clamping grooves 34 downwards, and two sides of the feedback bracket 1 are clamped in the clamping.

In the embodiment of the present invention, the top end of the feedback bracket 1 is divided into two strands to form two trigger ends, and two micro switches 6 are arranged corresponding to the two trigger ends.

In the embodiment of the invention, a fixed end 21 is arranged on the lower side of the movable contact support 2, the upper side of the fixed end 21 is hollowed, a longitudinal fixed groove 22 is formed on the inner side of the fixed end 21, a fixed frame 13 surrounding the fixed end 21 is formed on the feedback support 1, the fixed frame 13 is clamped on the fixed end 21, a fixed claw 14 matched with the fixed groove 22 is formed by protruding the front end of the fixed frame 13 inwards, a stop block 23 is formed on the lower side of the fixed frame 13 by the fixed end 21, a convex block 15 is formed on the lower side of the fixed claw 14 of the fixed frame 13, and a convex block 15 is also.

The above embodiments are preferred embodiments of the present invention, and other obvious variations of the present invention, in addition to the above embodiments, are: the limit mode of the feedback support is changed, the trigger end is changed into one, the connection mode of the feedback support and the movable contact support is changed, and the like, and the protection range of the invention is also included.