CN216117876U

CN216117876U - Direct current arc fault detector based on RS485 communication

Info

Publication number: CN216117876U
Application number: CN202122649704.XU
Authority: CN
Inventors: 黄剑峰
Original assignee: Jiangmen Zhenye Intelligent Control Technology Co ltd
Current assignee: Jiangmen Zhenye Intelligent Control Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-03-22
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a direct current arc fault detector based on RS485 communication, which comprises a detector body and current slots, wherein the current slots are formed in the front side and the rear side of the two sides of the detector body. Through setting up the gag lever post, spacing hole, the electric current groove, cooperation piece and positioning mechanism's cooperation is used, upwards spur the gag lever post, the gag lever post slides in the inner chamber of spacing hole and electric current groove, then place the inner chamber at the electric current groove with the circuit that will connect, the gag lever post of pulling downwards, the gag lever post drives the cooperation piece and removes, the circuit contact of cooperation piece and connection, then fix the gag lever post through positioning mechanism, accomplish the connection, it all is the electric wire that adopts threaded mode to compress tightly with the contact of direct current arc fault detector port most when connecting the circuit to have solved current direct current arc fault detector, but this kind of mode all needs the use tools when connecting at every turn, the great problem of limitation.

Description

Direct current arc fault detector based on RS485 communication

Technical Field

The utility model belongs to the technical field of electricity, and particularly relates to a direct-current arc fault detector based on RS485 communication.

Background

RS485 is the intelligent instrument that is used for communication field, need use the direct current arc fault detector to detect it when carrying out fault detection to intelligent instrument, and the problem that prior art exists is: most of the existing direct current arc fault detectors adopt a thread mode to press wires contacted with ports of the direct current arc fault detectors tightly when the lines are connected, but the mode needs tools when the lines are connected every time, and the limitation is large.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a direct current arc fault detector based on RS485 communication, which has the advantage of convenient connection and solves the problems that most of the existing direct current arc fault detectors adopt a threaded mode to press wires contacted with ports of the direct current arc fault detectors, but the mode needs to use tools during connection every time, and the limitation is large.

The direct current arc fault detector based on RS485 communication comprises a detector body and an electric current groove, wherein the electric current groove is formed in the front side and the rear side of the two sides of the detector body, limiting blocks are fixedly connected to the front side and the rear side of the two sides of the top of the detector body, limiting rods are arranged in inner cavities of the limiting blocks, the bottoms of the limiting rods penetrate through the limiting blocks and extend to the inner cavities of the electric current groove, matching blocks are fixedly connected to the bottoms of the limiting rods, positioning mechanisms matched with the limiting rods are arranged in the inner cavities of the limiting blocks, moving mechanisms are arranged at the tops of the inner cavities of the limiting blocks, and limiting holes matched with the limiting rods for use are formed in the tops and the bottoms of the limiting blocks.

Preferably, the positioning mechanism comprises a fixed rod, a supporting plate is fixedly connected to one side of the fixed rod, which is far away from the limiting rod, a positioning block is arranged on one side of the fixed rod, which is opposite to the two supporting plates, a tension spring is fixedly connected to one side of the supporting plate, which is close to the positioning block, a connecting plate matched with the moving mechanism is fixedly connected to one side of the supporting plate, which is far away from the positioning block, and a positioning rod is arranged in an inner cavity of the connecting plate.

Preferably, the moving mechanism comprises a pulling block, a pull rod is fixedly connected to one side of the pulling block close to the limiting block, a movable block is fixedly connected to one side of the pull rod far away from the pulling block, movable rods are movably connected to the front side and the rear side of the top of the movable block, and a connecting block matched with the connecting plate is movably connected to the bottom of the movable rod.

Preferably, one side of the limiting rod, which is close to the inner wall of the limiting hole, is in contact with the inner wall of the limiting hole, and a fixing groove matched with the fixing rod is formed in the surface of the limiting rod.

Preferably, one side of the fixing rod, which is close to the inner wall of the fixing groove, is in contact with the inner wall of the fixing groove, the bottom of the positioning block is fixedly connected with the inner wall of the limiting block, one side of the tension spring, which is close to the positioning block, is fixedly connected with the positioning block, and one side of the positioning rod, which is far away from the connecting block, is fixedly connected with the inner wall of the limiting block.

Preferably, the movable rod is movably connected with the connecting block and the movable block through a rotating shaft, and one side of the connecting block, which is close to the connecting plate, is fixedly connected with the connecting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the limiting rod, the limiting hole, the current groove, the matching block and the positioning mechanism, the limiting rod is pulled upwards, the limiting rod slides in the inner cavities of the limiting hole and the current groove, then a circuit to be connected is placed in the inner cavity of the current groove, the limiting rod is pulled downwards, the matching block is driven by the limiting rod to move, the matching block is contacted with the connected circuit, and then the limiting rod is fixed through the positioning mechanism to complete connection.

2. According to the utility model, the positioning mechanism is arranged, so that the position of the limiting rod can be fixed and limited, and the influence of the movement of the limiting rod on the positioning capability of the matching block is prevented.

3. The utility model can adjust the position of the connecting plate by arranging the moving mechanism, thereby being convenient for users to use.

4. The utility model can limit the position of the matching block by arranging the limiting rod and the limiting hole.

5. The utility model can fix and limit the position of the limiting rod by arranging the fixing rod and the fixing groove, can support the tension spring by arranging the positioning block, and can reset the support plate after moving by arranging the tension spring.

6. The movable rod, the movable block and the connecting block are arranged, so that the connecting plate can reset after moving.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is a left side cross-sectional view of a structure provided by an embodiment of the present invention;

FIG. 3 is a top cross-sectional view of a portion of a structure provided by an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 1 according to an embodiment of the present invention.

In the figure: 1. a probe body; 2. an electric current cell; 3. a limiting block; 4. a limiting rod; 5. a matching block; 6. a positioning mechanism; 601. fixing the rod; 602. a support plate; 603. positioning blocks; 604. a tension spring; 605. a connecting plate; 606. positioning a rod; 7. a moving mechanism; 701. pulling the block; 702. a pull rod; 703. a movable block; 704. a movable rod; 705. connecting blocks; 8. a limiting hole; 9. and fixing the grooves.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the RS485 communication-based dc arc fault detector provided in an embodiment of the present invention includes a detector body 1 and a current groove 2, the current groove 2 is disposed on the front side and the rear side of the two sides of the detector body 1, the front side and the rear side of the two sides of the top of the detector body 1 are both fixedly connected with a limiting block 3, an inner cavity of the limiting block 3 is provided with a limiting rod 4, the bottom of the limiting rod 4 passes through the limiting block 3 and extends to the inner cavity of the current groove 2, the bottom of the limiting rod 4 is fixedly connected with a matching block 5, the inner cavity of the limiting block 3 is provided with a positioning mechanism 6 used in cooperation with the limiting rod 4, the top of the inner cavity of the limiting block 3 is provided with a moving mechanism 7, and the top and the bottom of the limiting block 3 are both provided with limiting holes 8 used in cooperation with the limiting rod 4.

Referring to fig. 3, the positioning mechanism 6 includes a fixing rod 601, a supporting plate 602 is fixedly connected to one side of the fixing rod 601 far away from the limiting rod 4, a positioning block 603 is disposed on one side of the two supporting plates 602 opposite to each other, a tension spring 604 is fixedly connected to one side of the supporting plate 602 close to the positioning block 603, a connecting plate 605 used in cooperation with the moving mechanism 7 is fixedly connected to one side of the supporting plate 602 far away from the positioning block 603, and a positioning rod 606 is disposed in an inner cavity of the connecting plate 605.

Adopt above-mentioned scheme: through setting up positioning mechanism 6, can fix and spacing the position of gag lever post 4, prevent that gag lever post 4 from removing the influence to the location ability of cooperation piece 5.

Referring to fig. 3, the moving mechanism 7 includes a pulling block 701, a pulling rod 702 is fixedly connected to a side of the pulling block 701 close to the limiting block 3, a moving block 703 is fixedly connected to a side of the pulling rod 702 far away from the pulling block 701, both front and rear sides of a top of the moving block 703 are movably connected with a moving rod 704, and a connecting block 705 used in cooperation with the connecting plate 605 is movably connected to a bottom of the moving rod 704.

Adopt above-mentioned scheme: by arranging the moving mechanism 7, the position of the connecting plate 605 can be adjusted, and the use by a user is facilitated.

Referring to fig. 3, one side of the limiting rod 4 close to the inner wall of the limiting hole 8 contacts with the inner wall of the limiting hole 8, and a fixing groove 9 used in cooperation with the fixing rod 601 is formed in the surface of the limiting rod 4.

Adopt above-mentioned scheme: the position of the matching block 5 can be limited by arranging the limiting rod 4 and the limiting hole 8.

Referring to fig. 3, one side of the fixing rod 601 close to the inner wall of the fixing groove 9 contacts the inner wall of the fixing groove 9, the bottom of the positioning block 603 is fixedly connected to the inner wall of the limiting block 3, one side of the tension spring 604 close to the positioning block 603 is fixedly connected to the positioning block 603, and one side of the positioning rod 606 far away from the connecting block 705 is fixedly connected to the inner wall of the limiting block 3.

Adopt above-mentioned scheme: through setting up dead lever 601 and fixed slot 9, can fix the position of gag lever post 4 and spacing, through setting up locating piece 603, can support extension spring 604, through setting up extension spring 604, can make backup pad 602 remove the back and reset.

Referring to fig. 3, the movable rod 704 is movably connected to the connecting block 705 and the movable block 703 through a rotating shaft, and one side of the connecting block 705 close to the connecting plate 605 is fixedly connected to the connecting plate 605.

Adopt above-mentioned scheme: the movable rod 704, the movable block 703 and the connection block 705 are arranged to move and then reset the connection block 605.

The working principle of the utility model is as follows:

when the device is used, a user pulls the pulling block 701, the pulling block 701 drives the movable block 703 to move through the pulling rod 702, the movable block 703 drives the movable rod 704 to move, the movable rod 704 drives the connecting block 705 to move, the connecting block 705 drives the connecting plate 605 to slide on the surface of the positioning rod 606, the connecting plate 605 drives the supporting plate 602 to move and stretches the tension spring 604, the supporting plate 602 drives the fixed rod 601 to move, the limiting rod 4 is pulled upwards, the limiting rod 4 slides in the inner cavity of the limiting hole 8 and the current groove 2, then a circuit to be connected is placed in the inner cavity of the current groove 2, the limiting rod 4 is pulled downwards, the limiting rod 4 drives the matching block 5 to move, the matching block 5 is in contact with the connected circuit, then the pulling block 701 is loosened, the fixed rod 601 is reset through the force released after the tension spring 604 stretches, and the fixed rod 601 enters the inner cavity of the fixed groove 9 to complete connection.

In summary, the following steps: this direct current arc fault detector based on RS485 communication, through setting up gag lever post 4, spacing hole 8, current groove 2, cooperation piece 5 and positioning mechanism 6's cooperation is used, upwards spur gag lever post 4, gag lever post 4 slides at spacing hole 8 and current groove 2's inner chamber, then place the circuit that will connect in current groove 2's inner chamber, spur gag lever post 4 downwards, gag lever post 4 drives cooperation piece 5 and removes, cooperation piece 5 and the circuit contact of being connected, then fix gag lever post 4 through positioning mechanism 6, accomplish the connection, the electric wire that most all adopt the screw thread mode to compress tightly and direct current arc fault detector port contact when connecting the circuit has been solved to current direct current arc fault detector, but this kind of mode all needs the use tool when connecting at every turn, the great problem of limitation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a direct current arc fault detector based on RS485 communication, includes detector body (1) and current sink (2), its characterized in that: the utility model discloses a detector, including detector body (1), electric current groove (2), stopper (3) are seted up to the front side and the rear side of detector body (1) both sides, the inner chamber of stopper (3) is provided with gag lever post (4), the bottom of gag lever post (4) is passed stopper (3) and is extended to the inner chamber of electric current groove (2), the bottom fixedly connected with cooperation piece (5) of gag lever post (4), the inner chamber of stopper (3) is provided with positioning mechanism (6) that use with gag lever post (4) cooperation, the top of stopper (3) inner chamber is provided with moving mechanism (7), spacing hole (8) that use with gag lever post (4) cooperation are all seted up to the top and the bottom of stopper (3).

2. The RS485 communication-based direct current arc fault detector as claimed in claim 1, wherein: positioning mechanism (6) include dead lever (601), one side fixedly connected with backup pad (602) of gag lever post (4) are kept away from in dead lever (601), and one side that two backup pads (602) are relative is provided with locating piece (603), one side fixedly connected with extension spring (604) that locating piece (603) are close to in backup pad (602), one side fixedly connected with that locating piece (603) are kept away from in backup pad (602) has connecting plate (605) with moving mechanism (7) cooperation use, the inner chamber of connecting plate (605) is provided with locating lever (606).

3. The RS485 communication-based direct current arc fault detector as claimed in claim 2, wherein: the moving mechanism (7) comprises a pulling block (701), a pulling rod (702) is fixedly connected to one side, close to the limiting block (3), of the pulling block (701), a movable block (703) is fixedly connected to one side, far away from the pulling block (701), of the pulling rod (702), movable rods (704) are movably connected to the front side and the rear side of the top of the movable block (703), and a connecting block (705) matched with the connecting plate (605) is movably connected to the bottom of each movable rod (704).

4. The RS485 communication-based direct current arc fault detector as claimed in claim 2, wherein: one side of the limiting rod (4) close to the inner wall of the limiting hole (8) is in contact with the inner wall of the limiting hole (8), and a fixing groove (9) matched with the fixing rod (601) for use is formed in the surface of the limiting rod (4).

5. The RS485 communication-based direct current arc fault detector as claimed in claim 2, wherein: the utility model discloses a fixing device for fixing a car seat, including dead lever (601), locating piece (603), extension spring (604), locating piece (603), locating piece (606), connecting block (705), dead lever (601) and stopper (3), the dead lever is close to the inner wall contact of one side of fixed slot (9) inner wall and fixed slot (9), the bottom of locating piece (603) and the inner wall fixed connection of stopper (3), one side and locating piece (603) fixed connection that extension spring (604) are close to locating piece (603), the locating lever (606) are kept away from one side of connecting block (705) and the inner wall fixed connection of stopper (3).

6. The RS485 communication-based direct current arc fault detector of claim 3, wherein: the movable rod (704) is movably connected with the connecting block (705) and the movable block (703) through a rotating shaft, and one side of the connecting block (705) close to the connecting plate (605) is fixedly connected with the connecting plate (605).