CN219162240U - Handheld wireless phase voltammeter - Google Patents

Abstract

The utility model discloses a handheld wireless phase voltammeter, which relates to the field of electrical detection devices and comprises a voltammeter body and a current clamp, wherein the current clamp is electrically connected with the voltammeter body, the voltammeter body comprises a voltammeter host, an LCD (liquid crystal display) display screen, a rotary switch, a voltage input jack, a current clamp input hole, a battery protective shell and a wireless connection module, the wireless connection module adopts a Bluetooth module, and the current clamp comprises a chuck, a current clamp main body and a current clamp lead; the clamping head is used for stretching and clamping the object to be detected, the conductive rotary sleeve and the rotary conductive sheet automatically rotate and stretch out and draw back and prop against the object to be detected, and then the object to be detected with different shapes is stably clamped, and meanwhile, the guide rotary sleeve is connected with the clamping head, so that the problem that an irregular object to be detected is clamped in the prior art is avoided.

Description

Handheld wireless phase voltammeter

Technical Field

The utility model relates to the field of electrical detection devices, in particular to a handheld wireless phase voltammeter.

Background

The voltammeter is an instrument for measuring the phase between two voltages, two currents and between voltages and currents in electroengineering, and according to the purposes, the voltammeter comprises single-clamp phase voltammeter, double-clamp phase voltammeter and the like, and the current double-clamp phase voltammeter is provided with a function of unstable clamping of current clamps due to different diameters of sections to be clamped of the objects to be tested when the current clamps clamp the objects to be tested, or is easy to fall off due to too few clamping contact surfaces, so that detection interruption or inaccurate detection data are caused.

In order to solve the problem, chinese patent CN213275726U discloses a double-clamp phase voltammeter, including the voltammeter main part, current clamp and test wire, the inboard welding of chuck has conductive spring, conductive spring's the other end welding has conductive clamping piece, can stabilize the centre gripping with the conductive end of different diameters, avoid the current clamp to drop because of the centre gripping is unstable, or the centre gripping contact surface is too little, cause the inaccurate detection, improve the fixed stability of current clamp centre gripping, the couple passes through set screw and voltammeter host computer fixed connection, the welding of clamping piece is in the inboard of couple arc end, the suction piece is embedded in the outside of clamping piece arc end, when testing, not only can be with the couple on the nearby circuit of measured object or objects such as sheetmetal, but also can directly adsorb the couple on the iron material object, improve the flexibility that the voltammeter placed alone, be convenient for single inspector to carry out data record or to current clamp and test wire remove and to the opposite side measured object detection operation, it is convenient to detect.

However, gaps are reserved between the conductive clamping pieces and the clamping heads in the voltammeter clamping device, when the clamping heads clamp irregular objects to be tested, particularly objects with more edges and corners and bulges, the clamped objects can be clamped at the gaps between the conductive clamping pieces and the clamping heads, so that the clamping heads are difficult to take down from the objects, and the use is affected.

Disclosure of Invention

The utility model provides a handheld wireless phase voltammeter, which solves the problem that the existing voltammeter clamping device is easy to clamp on an irregular object and difficult to take off.

In order to solve the problems, the utility model provides the following technical scheme:

the utility model provides a wireless phase place volt-ampere meter of hand-held type, includes the volt-ampere meter body, electric connection has the current pincers on the volt-ampere meter body, the inboard symmetry of head of current pincers is equipped with two sets of auxiliary clamping components, auxiliary clamping components's top and bottom all articulate with the current pincers, auxiliary clamping components adopts electrically conductive material preparation, and auxiliary clamping components and current pincers head switch on, the back of volt-ampere meter body is equipped with accomodates the subassembly.

Preferably, the current clamp comprises a current clamp main body, a chuck is arranged at the top of the current clamp main body, a current clamp lead is electrically connected to the lower part of the chuck, the chuck is electrically connected with the voltammeter body through the current clamp lead, the inner wall of the chuck is in a concave arc shape, and the top end and the bottom end of the auxiliary clamping assembly are hinged to the inner wall of the unilateral chuck.

Preferably, the auxiliary clamping assembly comprises two conductive rotary sleeves hinged to the top and the bottom of the inner wall of the chuck at the same side respectively, rotary conductive sheets are connected in the conductive rotary sleeves in a sliding manner, the ends of the two rotary conductive sheets are hinged, and conductive springs are arranged between the rotary conductive sheets and the inner wall of the chuck.

Preferably, the storage assembly comprises a storage frame arranged on the back of the voltammetric meter body, a storage plate is arranged on the outer side of the storage frame, one end of the storage plate is provided with a groove, a limit column is arranged on one surface of the storage plate, which faces the voltammetric meter body, the inner end of the limit column is abutted to the back of the voltammetric meter body, and a tension spring is arranged between the storage plate and the voltammetric meter body.

Preferably, the conductive rotating sleeve and the rotating conductive sheet are both made of a conductive material, such as a copper material.

Preferably, the voltammeter body comprises a voltammeter host, an LCD display screen, a rotary switch, a voltage input jack, a current clamp input hole, a battery protection shell and a wireless connection module. The current clamp lead wire is inserted into the current clamp input hole.

Preferably, the wireless connection module adopts a Bluetooth module.

The utility model has the advantages that:

according to the utility model, the two conductive rotating sleeves are respectively hinged with the inner wall of the chuck, and the two rotary conductive sheets are hinged, which is equivalent to closing the gap between the auxiliary clamping assembly and the inner wall of the chuck, so that even an irregular object can not be clamped between the chuck and the auxiliary clamping assembly, and the problem that the conventional clamping device is easy to clamp and difficult to take down when clamping the irregular object is effectively solved. The containing assembly can assist in containing small pieces such as the current clamp, and the tension spring and the limit column can prevent the clamp from falling off. Because the conductive spring, the conductive rotary sleeve and the rotary conductive sheet are all made of conductive materials, the detection operation is not hindered under the condition that the inner wall of the chuck is not attached to an object.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 and 2 are schematic views of the overall structure of the voltammeter body and the current clamp from different angles of view.

FIG. 3 is a schematic view of the overall structure of the electric current clamp and the auxiliary clamping assembly.

Fig. 4 is an enlarged view of the structure at a in fig. 3.

Fig. 5 is a schematic structural view of the storage assembly.

Wherein, 1, the voltammeter body; 2. a current clamp; 21. a chuck; 22. a current clamp body; 23. a current clamp lead wire; 3. an auxiliary clamping assembly; 31. a conductive rotating sleeve; 32. rotating the conductive sheet; 33. a conductive spring; 4. a receiving assembly; 41. a storage frame; 42. a storage plate; 43. a limit column; 44. and a tension spring.

Detailed Description

The following describes specific embodiments of the present application in detail. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

Example 1:

as shown in fig. 1 to 5, a handheld wireless phase voltammeter comprises a voltammeter body 1, a current clamp 2 is electrically connected to the voltammeter body 1, two groups of auxiliary clamping components 3 are symmetrically arranged on the inner side of the head of the current clamp 2, the top end and the bottom end of each auxiliary clamping component 3 are hinged to the current clamp 2, each auxiliary clamping component 3 is made of a conductive material, each auxiliary clamping component 3 is communicated with the head of the corresponding current clamp 2, and a storage component 4 is arranged on the back surface of the voltammeter body 1. The voltammeter body 1 comprises a voltammeter host, an LCD display screen, a rotary switch, a voltage input jack, a current clamp input hole, a battery protective shell and a wireless connection module. The current clamp lead 23 is inserted into the current clamp input hole. The wireless connection module adopts a Bluetooth module. The voltage detection data can be observed remotely by collecting and connecting the Bluetooth modules. The voltammeter body 1 is a conventional commercial device.

In this embodiment, the current clamp 2 includes a current clamp main body 22, a chuck 21 is disposed at the top of the current clamp main body 22, a current clamp lead 23 is electrically connected to the lower portion of the chuck 21, the chuck 21 is electrically connected to the voltammeter body 1 through the current clamp lead 23, the inner wall of the chuck 21 is in a concave arc shape, and the top end and the bottom end of the auxiliary clamping assembly 3 are both hinged to the inner wall of the unilateral chuck 21.

In this embodiment, the auxiliary clamping assembly 3 includes two conductive rotating sleeves 31 hinged to the top and bottom of the inner wall of the same-side chuck 21, the conductive rotating sleeves 31 are respectively and slidably connected with a rotary conductive sheet 32, the ends of the two rotary conductive sheets 32 are hinged, and conductive springs 33 are respectively arranged between the rotary conductive sheets 32 and the inner wall of the chuck 21. The conductive spring 33 may help the conductive rotating sleeve 31 and the rotating conductive sheet 32 to be restored and maintain a vertical initial state.

In this embodiment, the storage unit 4 includes a storage frame 41 provided on the back surface of the voltammeter body 1, and a storage plate 42 is provided outside the storage frame 41. One end of the storage plate 42 is provided with a groove, one surface of the storage plate 42 facing the voltammetric meter body 1 is provided with a limit post 43, the inner end of the limit post 43 is abutted against the back surface of the voltammetric meter body 1, and a tension spring 44 is arranged between the storage plate 42 and the voltammetric meter body 1. The containing plate 42 keeps a horizontal position with the voltammeter body 1 under the action of the tension spring 44 and the limit post 43, the unused current clamp 2 can be contained in the containing frame 41 by pushing the containing plate 42 outwards, the carrying is convenient, the containing plate 42 is loosened, the containing plate 42 is reset under the action of the tension spring 44, the containing frame 41 is blocked, and the current clamp 2 is prevented from falling.

In order to be able to better conduct the auxiliary gripping assembly 3 and the gripping head 21 after gripping the object, the conductive rotating sleeve 31 and the rotating conductive sheet 32 are both made of a conductive material, such as copper material.

Working process and principle:

during measurement, the current clamp main body 22 is pinched, the clamp head 21 is opened, the auxiliary clamping assembly 3 on the inner wall of the clamp head 21 is also opened along with the clamp head 21, then the current clamp main body 22 is released, the clamp head 21 is clamped on the surface of an object to be measured, at the moment, the object is released from the conductive rotary sleeve 31 and the rotary conductive sheet 32 and is pressed towards the inner wall of the clamp head 21, at the moment, the conductive rotary sleeve 31 and the rotary conductive sheet 32 rotate around the hinging point of the conductive rotary sleeve 31 and the clamp head 21, and at the same time, the rotary conductive sheet 32 extends out of the conductive rotary sleeve 31 until the conductive rotary sleeve 31 and the rotary conductive sheet 32 on two sides are stably clamped on the surface of the object, and at the moment, the conductive spring 33 is compressed. Since the conductive rotary sleeve 31 is hinged with the chuck 21 and the two rotary conductive sheets 32 are hinged, which is equivalent to closing the gap between the auxiliary clamping assembly 3 and the inner wall of the chuck 21, even irregular objects can not be clamped between the chuck 21 and the auxiliary clamping assembly 3, and the use is affected. When the clamp 21 needs to be taken down, the clamp 21 is opened by pinching the current clamp main body 22, the clamp 21 is removed from the surface of the object, the conductive rotary sleeve 31 and the rotary conductive sheet 32 rotate and reset to the vertical state under the action of the conductive spring 33, and the rotary conductive sheet 32 partially retracts into the conductive rotary sleeve 31, so that the measurement operation of the voltammeter can be completed.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be equivalently replaced, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (7)

1. The utility model provides a wireless phase place volt-ampere meter of hand-held type, its characterized in that, including volt-ampere meter body (1), electric connection has current pincers (2) on volt-ampere meter body (1), the inboard symmetry of head of current pincers (2) is equipped with two sets of auxiliary clamp components (3), the top and the bottom of auxiliary clamp components (3) all articulate with current pincers (2), auxiliary clamp components (3) adopt electrically conductive material preparation, auxiliary clamp components (3) switch on with current pincers (2) head, the back of volt-ampere meter body (1) is equipped with accomodates subassembly (4).

2. The handheld wireless phase voltammeter according to claim 1, wherein the current clamp (2) comprises a current clamp main body (22), a clamp head (21) is arranged at the top of the current clamp main body (22), a current clamp lead (23) is electrically connected to the lower portion of the clamp head (21), the clamp head (21) is electrically connected with the voltammeter body (1) through the current clamp lead (23), the inner wall of the clamp head (21) is in a concave arc shape, and the top end and the bottom end of the auxiliary clamping assembly (3) are hinged to the inner wall of the single-side clamp head (21).

3. A hand-held wireless phase voltammeter according to claim 2, wherein said auxiliary clamping assembly (3) comprises two conductive rotating sleeves (31) hinged to the top and bottom of the inner wall of the same side chuck (21), said conductive rotating sleeves (31) are each slidably connected with a rotary conductive sheet (32), the ends of said two rotary conductive sheets (32) are hinged, and a conductive spring (33) is arranged between said rotary conductive sheet (32) and the inner wall of the chuck (21).

4. A hand-held wireless phase voltammeter according to claim 3, wherein, accomodate subassembly (4) including locating accomodate frame (41) at voltammeter body (1) back, accomodate frame (41) outside and articulate there is accomodate board (42), accomodate the one end of board (42) and set up flutedly, accomodate board (42) and be equipped with spacing post (43) on the one side towards voltammeter body (1), the inner butt of spacing post (43) is in voltammeter body (1) back, is equipped with extension spring (44) between accomodate board (42) and voltammeter body (1).

5. A hand-held radio-phase voltammeter according to claim 4, wherein said conductive rotating sleeve (31) and rotating conductive sheet (32) are made of conductive material.

6. The handheld wireless phase voltammeter according to claim 2, wherein the voltammeter body (1) comprises a voltammeter host, an LCD display screen, a rotary switch, a voltage input jack, a current clamp input hole, a battery protection case and a wireless connection module, and the current clamp lead (23) is plugged into the current clamp input hole.

7. The hand-held wireless phase voltammeter of claim 6, wherein said wireless connection module employs a bluetooth module.

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