CN220650762U

CN220650762U - Alternating-current high-voltage non-contact voltage acquisition device

Info

Publication number: CN220650762U
Application number: CN202322294529.6U
Authority: CN
Inventors: 邓小友; 张毅萍
Original assignee: Chengdu Linkon Communications Device Co ltd
Current assignee: Chengdu Linkon Communications Device Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-03-22
Anticipated expiration: 2033-08-25

Abstract

The utility model relates to an alternating-current high-voltage electric non-contact voltage acquisition device which comprises a first iron core and a second iron core, wherein detection and adjustment mechanisms are arranged in the first iron core and the second iron core, each detection and adjustment mechanism comprises a pressing plate fixedly connected with the right sides of the first iron core and the second iron core, connecting blocks are fixedly connected to opposite sides of the two pressing plates, and a rotating shaft is arranged in each connecting block. This alternating current high voltage electric non-contact voltage collection system can be according to the model and the size of wire body, the interval of two clamp splice to when making clamp wire body in first iron core and the second iron core, the clamp splice can play the effect to heart and support, makes the wire body be in the center of closed loop, and prevents induction electrode and work winding contact wire body, and then realizes non-contact voltage and current's signal acquisition, prevents that the user's hand from rocking the influence that causes detection structure, makes the use more convenient.

Description

Alternating-current high-voltage non-contact voltage acquisition device

Technical Field

The utility model relates to the technical field of power electronics, in particular to an alternating-current high-voltage electric non-contact voltage acquisition device.

Background

In recent years, with the development of social electricity consumption and the updating of electric energy metering technology and the general trend of digital transformation of a power grid, operation lines are more and more, the existing power distribution structure of the power grid is very complex, the power supply mode is various, meanwhile, a crossing phenomenon exists between a high-voltage line and a low-voltage line, on the other hand, on-site wiring is more, the lines are complex and changeable, and when in maintenance and inspection, the operation is more complex, and in order to ensure the safe and effective operation of using equipment, index performance detection such as voltage, current and the like is required.

Please refer to a non-contact voltage and current integrated collection device with publication number CN115032437a, in this patent, it is proposed that "the voltage and current collection device commonly found in the market at present needs to be in direct contact with the power equipment, once the measured equipment has a problem, the safety of the measured power equipment and personnel will be threatened directly, this signal measurement method has a great influence on the safety of the power equipment, the danger of wiring is great, and unsafe factors are brought to the measurement", in the above embodiment, by setting the collection device as an integrated measuring clamp, the unknown ac voltage is accurately obtained through the sensing electrode, the unknown ac current can be obtained through the induction of the working winding, the measurement process does not contact with the exposed conductor, however, in the above embodiment, the structure of supporting the wire is not provided, the shaking generated by the hand of the user still causes the contact with the exposed conductor, in use, in addition, the shaking of the device will affect the detection accuracy, the application proposes another technical scheme to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the alternating-current high-voltage electric non-contact voltage acquisition device provided by the utility model has the advantages that the structure is simple, the use is convenient, a wire to be detected can be positioned in a closed loop center and plays a supporting role, in the process of realizing non-contact signal acquisition, the influence of hand shaking of a user on a detection structure is effectively prevented, the detection structure is more accurate, the like, the problems that the common voltage and current acquisition device in the current market needs to be in direct contact with electric equipment, once the measured equipment is in a problem, the safety of the measured electric equipment and personnel is threatened directly are solved, the signal measurement method has a large influence on the safety of the electric equipment, the wiring danger is high, and unsafe factors are brought to measurement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the alternating-current high-voltage electric non-contact voltage acquisition device comprises a first iron core and a second iron core, wherein detection and adjustment mechanisms are arranged inside the first iron core and the second iron core;

the detection and adjustment mechanism comprises a pressing plate fixedly connected with the right side of a first iron core and a second iron core, wherein one side, opposite to the pressing plate, of each pressing plate is fixedly connected with a connecting block, a rotating shaft is arranged in each connecting block, one side, opposite to the pressing plate, of each pressing plate is fixedly connected with a compression spring, one side, close to the second iron core, of each first iron core is fixedly connected with an induction electrode, and a working winding is arranged in each second iron core;

the detection and adjustment mechanism further comprises a rotating block which is connected with the first iron core and the second iron core in a rotating mode, a screw rod is connected to the inner side of the rotating block in a threaded mode, a clamping block is fixedly connected to one end of the screw rod, a wire body is arranged between the clamping blocks on the front side and the rear side, and rubber pads are arranged on the outer sides of the first iron core and the second iron core.

Further, the shape of first iron core and second iron core is semi-circular, the rear side fixedly connected with locating piece of second iron core, the constant head tank with locating piece looks adaptation has been seted up to the front of first iron core.

Further, the inside of front side the clamp plate is provided with the controller that is connected with sensing electrode and working winding electricity, and the front of front side the clamp plate is fixedly connected with the display screen.

Further, the shape of clamp splice is the V-arrangement, the storage tank that corresponds with the clamp splice position is seted up to one side that first iron core and second iron core are relative.

Further, the front side and the rear side the side that the clamp splice is separated from is fixedly connected with a limiting rod, and a limiting groove in sliding fit with the limiting rod is formed in one side, opposite to the first iron core and the second iron core.

Further, the shape of the rotating block is T-shaped, a limiting ring is fixedly connected to the outer side of the rotating block, and rotating grooves which are matched with the rotating block and the limiting ring in a sliding mode are formed in the first iron core and the second iron core.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this alternating current high voltage electric non-contact voltage acquisition device, can exert pressure to two clamp plates through the detection adjustment mechanism that sets up, realize the adjustment to first iron core and second iron core interval, thereby conveniently press from both sides the wire body, at this in-process, the clamp splice that sets up can cooperate the lead screw to play the supporting role to the wire body, make the wire body of different models be in the central point that first iron core and second iron core formed the closed loop, in order to be convenient for under the condition that satisfies non-contact sampling, utilize the sensing electrode to accurately obtain unknown alternating current, utilize the work winding response to obtain unknown alternating current, and directly demonstrate at the display screen, this kind of detection mode simple structure gathers conveniently, can prevent that the user's hand from rocking the influence that leads to the fact detection structure, effectively improve the acquisition precision of voltage and electric current, make the use more convenient.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

FIG. 2 is a top cross-sectional view of the structure of the present utility model;

fig. 3 is a top cross-sectional view of a rotor block of the present utility model.

In the figure: 1. a first iron core; 2. a second iron core; 3. a pressing plate; 4. a connecting block; 5. a rotating shaft; 6. a compression spring; 7. an induction electrode; 8. a working winding; 9. a controller; 10. a display screen; 11. a rotating block; 12. a screw rod; 13. a limit rod; 14. clamping blocks; 15. a wire body; 16. a limiting ring; 17. and a rubber pad.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an ac high voltage non-contact voltage acquisition device in this embodiment includes a first iron core 1 and a second iron core 2, and detection adjustment mechanisms are disposed inside the first iron core 1 and the second iron core 2.

In this embodiment, detect guiding mechanism includes first iron core 1 and second iron core 2 right side fixed connection's clamp plate 3, and the equal fixedly connected with connecting block 4 in one side that two clamp plates 3 are relative, and the inside of connecting block 4 is provided with pivot 5, conveniently makes connecting block 4 drive clamp plate 3 and revolute pivot 5 axis and rotate, and one side fixedly connected with compression spring 6 that two clamp plates 3 are relative conveniently utilizes compression spring 6 to maintain the extrusion to clamp plate 3 right half for first iron core 1 and second iron core 2 are close to each other.

Wherein, the shape of first iron core 1 and second iron core 2 is semi-circular, and the rear side fixedly connected with locating piece of second iron core 2, the constant head tank with locating piece looks adaptation has been seted up in the front of first iron core 1, conveniently utilizes the cooperation of locating piece and constant head tank for first iron core 1 and second iron core 2 can form the closed loop when contacting, and one side fixedly connected with induction electrode 7 that first iron core 1 is close to second iron core 2, the inside of second iron core 2 is provided with work winding 8.

Wherein, the inside of front side clamp plate 3 is provided with the controller 9 of being connected with induction electrode 7 and work winding 8 electricity, conveniently utilize electromagnetic induction principle, make work winding 8 cooperate controller 9 and connecting wire realize the electric current induction to the survey line, and induction electrode 7 can form electric field induction in the electric field with between the circuit of being gathered, can form electric capacity between power line and the collection system, voltage signal can follow the tail end output of connecting wire to controller 9, realize voltage acquisition, the positive fixedly connected with display screen 10 of front side clamp plate 3, conveniently utilize the data of display screen 10 show collection.

In this embodiment, detect guiding mechanism still includes that first iron core 1 and the inside rotatory rotating block 11 of being connected of second iron core 2, and rotating block 11's shape is T shape, and the outside fixedly connected with spacing ring 16 of rotating block 11, the inside of first iron core 1 and second iron core 2 have seted up the rotary groove with rotating block 11 and spacing ring 16 slip adaptation, conveniently utilize the spacing effect of rotary groove rotation block 11 and spacing ring 16 to realize the location to rotating block 11, and keep rotating block 11's rotation smooth and easy.

Wherein, the inboard threaded connection of turning block 11 has lead screw 12, and the one end fixedly connected with clamp splice 14 of lead screw 12, and the shape of clamp splice 14 is the V-arrangement, and the storage groove that corresponds with clamp splice 14 position is seted up to the relative one side of first iron core 1 and second iron core 2, conveniently makes lead screw 12 drive clamp splice 14 activity along with the rotation of turning block 11, and the storage groove that sets up can be used to the holding clamp splice 14.

Wherein, the spacing pole 13 of one side fixedly connected with that the clamp splice 14 of both sides left and right are separated, and the spacing groove with the spacing pole 13 slip adaptation has been seted up to the relative one side of first iron core 1 and second iron core 2, conveniently utilizes the cooperation of spacing pole 13 and spacing groove to restrict the rotation of clamp splice 14 and lead screw 12, is provided with wire body 15 between the clamp splice 14 of both sides around, and the outside of first iron core 1 and second iron core 2 is provided with rubber pad 17.

The beneficial effects of the embodiment are as follows:

this alternating current high voltage electric non-contact voltage acquisition device, can apply pressure to two clamp plates 3 through the detection adjustment mechanism that sets up, realize the adjustment to first iron core 1 and the 2 intervals of second iron core, thereby conveniently insert wire body 15, in this process, the clamp splice 14 that sets up can cooperate lead screw 12 to play the supporting role to wire body 15, make wire body 15 of different models be in the central point that first iron core 1 and second iron core 2 formed the closed loop, in order to satisfy the condition of non-contact sampling, utilize induction electrode 7 to accurately obtain unknown alternating current, utilize work winding 8 response to obtain unknown alternating current, and directly demonstrate at display screen 10, this kind of detection mode simple structure, gather conveniently, can prevent that the user's hand from rocking the influence that causes to detecting the structure, effectively improve the collection precision of voltage and electric current, make the use more convenient.

The working principle of the embodiment is as follows:

this alternating current high voltage electric non-contact voltage collection system, before pressing from both sides wire body 15, operable rotating block 11 rotates, make lead screw 12 drive clamp splice 14 activity, in order to according to the model and the size of wire body 15, adjust the interval of two clamp splices 14, then can exert pressure to two clamp plates 3, make connecting block 4 drive clamp plate 3 revolute the rotation of 5 axes of rotating shaft, thereby make first iron core 1 and second iron core 2 open, in order to press from both sides wire body 15 between first iron core 1 and second iron core 2, loosen clamp plate 3 can make clamp plate 3 under compression spring 6's promotion, drive first iron core 1 and second iron core 2 and be close to each other, thereby make clamp splice 14 centre gripping wire body 15 in first iron core 1 and the second iron core 2, and play the effect of support, make wire body 15 be in first iron core 1 and second iron core 2 form the center of closed loop, and then prevent induction electrode 7 and work winding 8 contact wire body 15, afterwards can utilize electromagnetic induction principle, make work winding 8 cooperate controller 9 and connecting wire realization to wire body 15's electric current induction, and induction electrode 7 can form direct signal acquisition device with the wire end of wire, and display screen 10, can be connected to the display device, can realize the electric field between the display screen 10, and display voltage is convenient for the display device is connected to the display the signal.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 an alternating current high voltage electric non-contact voltage acquisition device, includes first iron core (1) and second iron core (2), its characterized in that: a detection and adjustment mechanism is arranged in the first iron core (1) and the second iron core (2);

the detection and adjustment mechanism comprises a first iron core (1) and a pressing plate (3) fixedly connected with the right side of a second iron core (2), wherein two opposite sides of the pressing plates (3) are fixedly connected with connecting blocks (4), rotating shafts (5) are arranged in the connecting blocks (4), compression springs (6) are fixedly connected with one opposite sides of the pressing plates (3), one side, close to the second iron core (2), of the first iron core (1) is fixedly connected with an induction electrode (7), and working windings (8) are arranged in the second iron core (2);

the detection and adjustment mechanism further comprises a rotating block (11) which is connected with the first iron core (1) and the second iron core (2) in a rotating mode, a screw rod (12) is connected with the inner side of the rotating block (11) in a threaded mode, a clamping block (14) is fixedly connected to one end of the screw rod (12), a wire body (15) is arranged between the clamping blocks (14) on the front side and the rear side, and rubber pads (17) are arranged on the outer sides of the first iron core (1) and the second iron core (2).

2. The ac high voltage non-contact voltage acquisition device of claim 1, wherein: the shape of first iron core (1) and second iron core (2) is semi-circular, the rear side fixedly connected with locating piece of second iron core (2), the constant head tank with locating piece looks adaptation has been seted up in the front of first iron core (1).

3. The ac high voltage non-contact voltage acquisition device of claim 1, wherein: the inside of the pressing plate (3) at the front side is provided with a controller (9) electrically connected with the induction electrode (7) and the working winding (8), and the front side of the pressing plate (3) is fixedly connected with a display screen (10).

4. The ac high voltage non-contact voltage acquisition device of claim 1, wherein: the clamping block (14) is V-shaped, and a storage groove corresponding to the clamping block (14) is formed in one side, opposite to the first iron core (1) and the second iron core (2), of the clamping block.

5. The ac high voltage non-contact voltage acquisition device of claim 1, wherein: and one side, away from the clamping blocks (14), of the front side and the rear side is fixedly connected with a limiting rod (13), and one side, opposite to the second iron core (2), of the first iron core (1) is provided with a limiting groove which is in sliding fit with the limiting rod (13).

6. The ac high voltage non-contact voltage acquisition device of claim 1, wherein: the shape of the rotating block (11) is T-shaped, a limiting ring (16) is fixedly connected to the outer side of the rotating block (11), and rotating grooves which are in sliding fit with the rotating block (11) and the limiting ring (16) are formed in the first iron core (1) and the second iron core (2).