CN217085083U

CN217085083U - Wide-range current sensor adopting automatic gain adjustment

Info

Publication number: CN217085083U
Application number: CN202220857780.1U
Authority: CN
Inventors: 梁汉祥
Original assignee: Wuhan Tian Tian Automatic Control Technology Co ltd
Current assignee: Wuhan Tian Tian Automatic Control Technology Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-07-29
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses an adopt wide range current sensor of automatic gain adjustment in current sensor technical field, including current sensor, current sensor's bottom is installed the box, the spout has been seted up to the inside top central point of box, the internally mounted of box has gain adjustment mechanism, and its is rational in infrastructure, the utility model discloses a be equipped with gain adjustment mechanism, install gain adjustment mechanism in the box to carry out electric connection with circuit sensor and gain adjustment mechanism, utilize gain adjustment mechanism to have the automatic adjustment effect, thereby reach automatic adjustment gain processing, the effectual result of use and the suitability that improves wide range current sensor.

Description

Wide-range current sensor adopting automatic gain adjustment

Technical Field

The utility model relates to a current sensor technical field specifically is an adopt wide range current sensor of automatic gain adjustment.

Background

The current sensor is also called a magnetic sensor, can be used in household appliances, smart grids, electric vehicles, wind power generation and the like, and can be used in many magnetic sensors in our lives, such as computer hard disks, compasses, household appliances and the like.

The existing wide-range current sensor has the following defects: because wide-range current sensor structure is comparatively traditional, can't carry out automatic gain adjustment and handle, and then lead to influencing wide-range current sensor result of use, reduced the rate of adaptation.

There is therefore a need to develop a wide range current sensor with automatic gain adjustment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adopt wide range current sensor of automatic gain adjustment, through being equipped with gain adjustment mechanism, install gain adjustment mechanism in the box to carry out electric connection with circuit sensor and gain adjustment mechanism, utilize gain adjustment mechanism to have the automatic adjustment effect, thereby reach automatic adjustment gain and handle, effectual result of use and the suitability that has improved wide range current sensor, in order to solve the problem that the unable automatic gain adjustment of wide range current sensor was handled among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a wide-range current sensor adopting automatic gain adjustment comprises a current sensor, wherein a box body is installed at the bottom of the current sensor, a sliding groove is formed in the center of the top end of the interior of the box body, and a gain adjusting mechanism is installed in the box body;

gain adjustment mechanism includes gain part and automatically regulated part, gain part is connected with the box, automatically regulated part is connected with gain part and spout respectively, gain part includes the porcelain section of thick bamboo, the support frame is all installed at the both ends of porcelain section of thick bamboo, automatically regulated part includes the pivot, the pivot is located between the support frame.

Preferably, the current sensor is internally provided with an arc-shaped magnetic core, and the arc-shaped magnetic core is in an annular array.

Preferably, the corner brackets are installed on two sides of the box body, the base is installed at the bottom of the box body, the base is fixedly connected with the corner brackets through fastening bolts, and the front end face of the box body is provided with an access panel.

Preferably, the bottom of support frame and the inside bottom fixed connection of box, the outer wall central point of porcelain section of thick bamboo puts and is provided with the copper wire, the outer wall both sides of porcelain section of thick bamboo all are provided with the clamp.

Preferably, the preceding terminal surface central point of clamp puts and is provided with the connector lug, the through-hole has all been seted up to the surface top and the below of support frame, the internally mounted of through-hole has the screw rod, the outer wall of screw rod and the pore wall sliding connection of through-hole.

Preferably, the limiting ring is installed at one end of the screw rod, nuts are arranged on two sides of the outer wall of the screw rod, and the inner wall of each nut is in threaded connection with the outer wall of the screw rod.

Preferably, an electric motor is installed above the outer wall of one side of the support frame, an output shaft on the electric motor is fixedly connected with one end of the rotating shaft through a coupler, a moving block is installed at the center position of the outer wall of the rotating shaft, and a threaded hole is formed in the center position of the surface of the moving block.

Preferably, the hole wall of the threaded hole is in threaded connection with the outer wall of the rotating shaft, a sliding block is arranged at the top of the moving block, the outer wall of the sliding block is in sliding connection with the inner wall of the sliding groove, and a sliding sheet is arranged at the bottom of the moving block.

Compared with the prior art, the beneficial effects of the utility model are that:

through being equipped with gain adjustment mechanism, install gain adjustment mechanism in the box to carry out electric connection with gain adjustment mechanism with circuit sensor, utilize gain adjustment mechanism to have the automatic adjustment effect, thereby reach automatic adjustment gain and handle, the effectual result of use and the suitability that improves wide-range current sensor.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a front view provided by the present invention;

fig. 3 is a front sectional view of the gain adjustment mechanism provided by the present invention;

fig. 4 is an enlarged view of the structure at a in fig. 3 according to the present invention;

fig. 5 is a perspective view of a part of the gain adjustment mechanism according to the present invention.

In the figure: 1. a current sensor; 101. an arc-shaped magnetic core; 2. a box body; 201. a chute; 202. a corner bracket; 203. a base; 204. an access panel; 3. a gain adjustment mechanism; 301. a porcelain cylinder; 302. a support frame; 303. a copper wire; 304. clamping a hoop; 305. a connector lug; 306. a through hole; 307. a screw; 308. a limiting ring; 309. a nut; 310. a rotating shaft; 311. an electric motor; 312. a moving block; 313. a threaded hole; 314. a slider; 315. and (4) sliding a sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a following technical scheme: a wide-range current sensor adopting automatic gain adjustment can effectively perform automatic gain adjustment processing on the wide-range current sensor in the use process, and a gain adjustment mechanism 3 is added, please refer to fig. 1-5, which comprises a current sensor 1, wherein the current sensor 1 is internally provided with an arc-shaped magnetic core 101, the arc-shaped magnetic core 101 is in an annular array, the bottom of the current sensor 1 is provided with a box body 2, the center position of the top end of the inner part of the box body 2 is provided with a chute 201, two sides of the box body 2 are respectively provided with an angle bracket 202, the bottom of the box body 2 is provided with a base 203, the base 203 and the angle bracket 202 are fixedly connected through a fastening bolt, therefore, the box body 2 is mounted and dismounted, the front end face of the box body 2 is provided with the maintenance plate 204, the maintenance plate 204 is convenient to open to carry out maintenance treatment on the inside of the box body 2, and the gain adjusting mechanism 3 is mounted inside the box body 2;

the gain adjusting mechanism 3 comprises a gain part and an automatic adjusting part, the gain part is connected with the box body 2, the automatic adjusting part is respectively connected with the gain part and the chute 201, the gain part comprises a porcelain cylinder 301, two ends of the porcelain cylinder 301 are both provided with a support frame 302, the bottom of the support frame 302 is fixedly connected with the inner bottom end of the box body 2, the center position of the outer wall of the porcelain cylinder 301 is provided with a copper wire 303, the copper wire 303 is wound on the outer wall of the porcelain cylinder 301 to form a resistance state, both sides of the outer wall of the porcelain cylinder 301 are both provided with a clamp 304, the center position of the front end face of the clamp 304 is provided with a connector lug 305, a circuit is connected onto the connector lug 305 on the clamp 304, so that the resistance state is changed according to the length of the copper wire 303, through holes 306 are respectively arranged above and below the surface of the support frame 302, a screw 307 is arranged inside the through hole 306, the outer wall of the screw 307 is in sliding connection with the hole wall of the through hole 306, one end of a screw 307 is provided with a limit ring 308, both sides of the outer wall of the screw 307 are provided with nuts 309, the inner wall of the nut 309 is in threaded connection with the outer wall of the screw 307, two sets of limit rings 308 are inserted into through holes 306 on the support frame 302 through the screw 307 and are clamped and locked by the two sets of nuts 309, the nut 309 is locked and fixed on the screw 307, the distance between the two sets of limit rings 308 is adjusted, so that the length of a copper wire 303 is adjusted, the problem of adjusting the length of the copper wire 303 according to current sensors with different specifications is solved, the resistance degree is realized, an automatic adjusting part comprises rotating shafts 310, the rotating shafts 310 are positioned between the support frames 302, an electric motor 311 is arranged above the outer wall on one side of the support frame 302, an output shaft on the electric motor 311 is fixedly connected with one end of the rotating shaft 310 through a coupler, the electric motor 311 drives the rotating shaft 310 to rotate forwards or backwards, and a moving block 312 is arranged at the center position of the outer wall of the rotating shaft 310, the center of the surface of the moving block 312 is provided with a threaded hole 313, the wall of the threaded hole 313 is in threaded connection with the outer wall of the rotating shaft 310, the top of the moving block 312 is provided with a sliding block 314, the outer wall of the sliding block 314 is in sliding connection with the inner wall of the sliding groove 201, the sliding block 314 is enabled to limit the moving block 312, the sliding block 312 is enabled not to slide, the rotating shaft 310 is enabled to rotate forwards or backwards, the moving block 312 in a limiting state is driven to move leftwards or rightwards, the sliding block 315 is arranged at the bottom of the moving block 312, the sliding block 315 is arranged at the front of the copper wire 303, the sliding block 315 slides leftwards and rightwards on the copper wire 303 to change the current resistance state, the sliding block 315 is automatically driven by the electric motor 311, the automatic gain adjustment effect is achieved, and the automatic gain adjustment processing of the current sensor is achieved.

The working principle is as follows: when the utility model is used, the box body 2 on the current sensor 1 is fixed on the base 203 by the angle bracket 202 and is fixed by the fastening bolt, thereby achieving the installation and the disassembly of the box body 2, the porcelain cylinder 301 on the gain adjusting mechanism 3 is fixed in the box body 2 by the supporting frame 302, the copper wire 303 is wound on the outer wall of the porcelain cylinder 301 to form the resistance state, two groups of clamps 304 are correspondingly clamped on the two sides of the outer wall of the porcelain cylinder 301, the circuit is connected to the connector lug 305 on the clamps 304, the current changes the resistance state according to the length of the copper wire 303, two groups of spacing rings 308 are inserted into the through hole 306 on the supporting frame 302 by the screw 307 and are clamped and locked by two groups of nuts 309, the nuts 309 lock the fixing screw 307, the distance between the two groups of spacing rings 308 is adjusted, thereby achieving the adjustment of the length of the copper wire 303, solving the problem of adjusting the length of the copper wire 303 according to the current sensors with different specifications, the resistance degree is realized by installing the rotating shaft 310 between the supporting frames 302, fixedly connecting the output shaft of the electric motor 311 with one end of the rotating shaft 310 through a coupler, enabling the electric motor 311 to drive the rotating shaft 310 to rotate forwards or backwards, installing the moving block 312 on the outer wall of the rotating shaft 310 through the threaded hole 313, arranging the slide block 314 on the moving block 312 in the slide groove 201 on the box body 2, enabling the slide block 314 to limit the moving block 312 without influencing the sliding of the moving block 312, enabling the rotating shaft 310 to rotate forwards or backwards, driving the moving block 312 in a limiting state to move leftwards or rightwards, arranging the slide sheet 315 at the bottom of the moving block and the slide sheet 315 in front of the copper wire 303, enabling the slide sheet 315 to slide leftwards and rightwards on the copper wire 303, so as to change the current resistance state, and achieving the automatic gain adjustment effect by automatically driving the slide sheet 315 through the electric motor 311, the automatic gain adjustment processing of the current sensor is realized, and the use effect and the applicability of the current sensor are effectively improved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an adopt wide range current sensor of automatic gain adjustment, includes current sensor (1), box (2) are installed to the bottom of current sensor (1), spout (201), its characterized in that have been seted up to the inside top central point of box (2): a gain adjusting mechanism (3) is arranged in the box body (2);

gain adjustment mechanism (3) are including gain part and automatically regulated part, gain part is connected with box (2), the automatically regulated part is connected with gain part and spout (201) respectively, gain part includes porcelain section of thick bamboo (301), support frame (302) are all installed at the both ends of porcelain section of thick bamboo (301), the automatically regulated part includes pivot (310), pivot (310) are located between support frame (302).

2. The wide-range current sensor with automatic gain adjustment of claim 1, wherein: the inside of current sensor (1) all is provided with arc magnetic core (101), arc magnetic core (101) are annular array.

3. The wide-range current sensor with automatic gain adjustment of claim 1, wherein: corner brackets (202) are installed on two sides of the box body (2), a base (203) is installed at the bottom of the box body (2), the base (203) is fixedly connected with the corner brackets (202) through fastening bolts, and an access panel (204) is arranged on the front end face of the box body (2).

4. The wide-range current sensor with automatic gain adjustment of claim 1, wherein: the bottom of support frame (302) and the inside bottom fixed connection of box (2), the outer wall central point of porcelain section of thick bamboo (301) puts and is provided with copper wire (303), the outer wall both sides of porcelain section of thick bamboo (301) all are provided with clamp (304).

5. The wide-range current sensor with automatic gain adjustment according to claim 4, wherein: the preceding terminal surface central point of clamp (304) puts and is provided with connector lug (305), through-hole (306) have all been seted up to the surperficial top of support frame (302) and below, the internally mounted of through-hole (306) has screw rod (307), the outer wall of screw rod (307) and the pore wall sliding connection of through-hole (306).

6. The wide-range current sensor with automatic gain adjustment of claim 5, wherein: the limiting ring (308) is installed at one end of the screw rod (307), nuts (309) are arranged on two sides of the outer wall of the screw rod (307), and the inner wall of each nut (309) is in threaded connection with the outer wall of the screw rod (307).

7. The wide-range current sensor with automatic gain adjustment of claim 1, wherein: an electric motor (311) is installed above the outer wall of one side of the support frame (302), an output shaft on the electric motor (311) is fixedly connected with one end of the rotating shaft (310) through a coupler, a moving block (312) is installed in the center of the outer wall of the rotating shaft (310), and a threaded hole (313) is formed in the center of the surface of the moving block (312).

8. The wide-range current sensor with automatic gain adjustment of claim 7, wherein: the hole wall of the threaded hole (313) is in threaded connection with the outer wall of the rotating shaft (310), a sliding block (314) is arranged at the top of the moving block (312), the outer wall of the sliding block (314) is in sliding connection with the inner wall of the sliding groove (201), and a sliding sheet (315) is arranged at the bottom of the moving block (312).