CN215931993U

CN215931993U - Low-voltage detection device for power distribution network

Info

Publication number: CN215931993U
Application number: CN202122077001.4U
Authority: CN
Inventors: 曾厦斌
Original assignee: Shanghai Xiaoyu Electric Power Construction Engineering Co ltd
Current assignee: Shanghai Xiaoyu Electric Power Construction Engineering Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-01
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a low-voltage detection device for a power distribution network, which comprises a box body, wherein a voltmeter is arranged on the upper surface of the box body, a protective cover which can be opened in a rotating mode is arranged on the upper side of the box body, a winder is arranged on the inner side of the box body, a cable is wound on the inner side of the winder, one end of the cable penetrates through the side wall of the box body and is connected with a detection head, a clamping seat which is used for fixedly clamping the detection head is fixedly arranged on the side face of the box body, and when voltage detection is carried out, the detection head is taken down and then the cable is pulled out for length adjustment, so that the detection distance is better met, the position of the box body is not required to be adjusted, and the detection and the use are more flexible and convenient.

Description

Low-voltage detection device for power distribution network

Technical Field

The utility model relates to the technical field of voltage detection, in particular to a low-voltage detection device for a power distribution network.

Background

The work done by the force of an electric field to move a unit positive charge in the electric field from one point to another is called voltage. Voltage is a fundamental parameter of electronic technology measurement, and voltage measurement is the basis of electronic measurement. Many electronic devices are related to voltage, such as signal generators, transmitters, receivers and the like, and the voltage is a main technical index; other technical indicators, such as sensitivity, selectivity and gain, are also voltage dependent. The operating state of a circuit, element or device is usually reflected in the form of a voltage. The measurement of voltage is also important for the measurement of parameters such as current, field strength, attenuation, etc.

The applicant of the present invention has found that the conventional voltage detection device has poor flexibility in use when performing voltage detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-voltage detection device for a power distribution network, which aims to solve the problem that the conventional voltage detection device has poor use flexibility during voltage detection.

The utility model is realized by the following steps:

the utility model provides a low-voltage detection device for distribution network, the power distribution box comprises a box body, the upper surface of box is provided with the voltmeter, and the upside of box is provided with the rotatable protective cover of opening, the inboard of box is provided with the winder, and the inboard coiling of winder has the cable, the lateral wall that the box was passed to the one end of cable is connected with detects the head, the fixed cassette that clamps is carried out fixing to detecting the head that is provided with in side of box, when carrying out voltage detection, will detect the head and take off and pull out length adjustment to the cable again, make its better regulation that satisfies detection distance, need not to adjust the position of box, it is more nimble convenient to detect the use.

Further, the protective cover chooses for use transparent material to make, and both sides all are provided with the cardboard of card on the box around the protective cover, conveniently detect the observation of data when realizing the voltmeter protection through transparent protective cover.

Furthermore, a guide pipe is arranged on the side face of the box body and in a position where the cable penetrates, a locking screw is screwed on the guide pipe, the cable is guided through the guide pipe, and the cable is locked and fixed through the locking screw.

Further, the lower port of the box body is provided with a cover cap capable of being opened in a rotating mode, the right end of the cover cap is provided with a locking plate, a jacking screw is screwed on the locking plate, and the locking plate is clamped on the side face of the box body to clamp and fix the cover cap.

Further, the right-hand member of box is provided with the handle, and has placed electrically conductive nail in the inboard of box, and electrically conductive nail clamps on the fixture block, and the fixture block is fixed at the box inboard, assigns in ground and is connected the realization through electric wire and box through electrically conductive nail and realizes the ground protection to detection device.

Furthermore, detect the head including insulating handle, the one end of insulating handle is provided with electrically conductive head, and the other end of insulating handle is provided with the connector of being connected with the cable, and the connector is twisted soon on insulating handle through the thread head, detects the head and connects the electric detection through electrically conductive head to realize being connected with dismantling of cable through the connector.

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

when the voltage detection is carried out, the detection head is taken down and the pull-out length of the cable is adjusted, so that the detection distance can be better adjusted, the position of the box body does not need to be adjusted, and the detection and the use are more flexible and convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a low voltage detection device for a power distribution network according to the present invention;

fig. 2 is a schematic structural diagram of a low voltage detection device for a power distribution network according to the present invention;

fig. 3 is a schematic diagram illustrating an internal structure of a low voltage detection device for a power distribution network according to the present invention;

fig. 4 is a schematic cable diagram of a low voltage detection device for a power distribution network according to the present invention;

fig. 5 is a schematic view of a detection head of the low voltage detection device for a power distribution network according to the present invention.

In the figure: 1. a protective cover; 11. clamping a plate; 2. a box body; 21. a card holder; 3. a cable; 31. locking screws; 32. a guide tube; 4. a detection head; 41. a connector; 42. an insulated grip; 43. a conductive head; 44. a screw head; 5. a cover; 51. a locking plate; 52. jacking the screw tightly; 6. a handle; 7. a voltmeter; 8. a reel; 9. a conductive nail; 91. and (7) clamping blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Embodiment 1, please refer to fig. 1, fig. 2, fig. 3 and fig. 4 specifically, a low voltage detection device for a power distribution network, comprising a box 2, wherein a voltmeter 7 is disposed on an upper surface of the box 2, a protective cover 1 capable of being opened by rotation is disposed on an upper side of the box 2, the protective cover 1 is made of a transparent material, two front and rear sides of the protective cover 1 are respectively provided with a clamping plate 11 clamped on the box 2, the transparent protective cover 1 protects the voltmeter 7 and facilitates observation of detection data, a reel 8 is disposed inside the box 2, a cable 3 is wound on an inner side of the reel 8, one end of the cable 3 penetrates through a side wall of the box 2 to be connected with a detection head 4, a clamping seat 21 for fixedly clamping the detection head 4 is fixedly disposed on a side surface of the box 2, the detection head 4 is taken down and the cable 3 is pulled out for length adjustment during voltage detection, make its better regulation that satisfies detection distance, need not to adjust the position of box 2, detect the nimble convenience more that uses.

Specifically, referring to fig. 2, a guide tube 32 is disposed on a side surface of the box 2 at a position through which the cable 3 passes, and a locking screw 31 is screwed on the guide tube 32, so that the cable 3 is guided by the guide tube 32, and the cable 3 is locked and fixed by the locking screw 31.

Specifically, referring to fig. 3 and 4, a cover cap 5 which can be opened in a rotating manner is arranged at a lower port of the box body 2, a locking plate 51 is arranged at the right end of the cover cap 5, a jacking screw 52 is screwed on the locking plate 51, the locking plate 51 is clamped on the side surface of the box body 2 to clamp and fix the cover cap 5, a handle 6 is arranged at the right end of the box body 2, a conductive nail 9 is placed on the inner side of the box body 2, the conductive nail 9 is clamped on a clamping block 91, the clamping block 91 is fixed on the inner side of the box body 2, and the conductive nail 9 is inserted into the ground and connected with the box body 2 through an electric wire to realize ground protection of the detection device.

Specifically, referring to fig. 5, the detection head 4 includes an insulating handle 42, a conductive head 43 is disposed at one end of the insulating handle 42, a connector 41 connected to the cable 3 is disposed at the other end of the insulating handle 42, the connector 41 is screwed on the insulating handle 42 through a screw head 44, the detection head 4 performs power detection through the conductive head 43, and the detachable connection with the cable 3 is realized through the connector 41.

The working principle is that when the voltage of the power distribution network is detected, the conductive nail 9 is inserted on the ground and connected with the box body 2 through an electric wire for ground protection, the detection head 4 is taken down and then the cable 3 is pulled out for length adjustment, after the length of the cable 3 is adjusted, the locking screw 31 is screwed to lock and fix the cable 3, and then the voltage is detected through the detection head 4.

The device obtained by the above design can basically satisfy the flexible and good use of the conventional voltage detection device in voltage detection, but the designer further improves the device with the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a low voltage detection device for distribution network, includes box (2), its characterized in that: the upper surface of box (2) is provided with voltmeter (7), and the upside of box (2) is provided with rotatable open protective cover (1), the inboard of box (2) is provided with winder (8), and the inboard of winder (8) is convoluteed cable (3), the lateral wall that box (2) was passed to the one end of cable (3) is connected with detects head (4), the fixed cassette (21) that clamps of fixing is carried out detecting head (4) that is provided with in the side of box (2).

2. The low voltage detection device for the power distribution network according to claim 1, wherein the protective cover (1) is made of a transparent material, and the front and rear sides of the protective cover (1) are provided with clamping plates (11) clamped on the box body (2).

3. The low voltage detection device for the power distribution network according to claim 1, wherein a guide tube (32) is arranged on the side surface of the box body (2) at a position where the cable (3) passes through, and a locking screw (31) is screwed on the guide tube (32).

4. The low voltage detection device for the power distribution network according to claim 1, wherein a cover (5) capable of being opened by rotating is arranged at the lower port of the box body (2), a locking plate (51) is arranged at the right end of the cover (5), and a jacking screw (52) is screwed on the locking plate (51).

5. The low-voltage detection device for the power distribution network according to claim 1, wherein a handle (6) is arranged at the right end of the box body (2), a conductive nail (9) is placed on the inner side of the box body (2), the conductive nail (9) is clamped on a clamping block (91), and the clamping block (91) is fixed on the inner side of the box body (2).

6. The low voltage detection device for the power distribution network according to claim 1, wherein the detection head (4) comprises an insulating handle (42), one end of the insulating handle (42) is provided with a conductive head (43), the other end of the insulating handle (42) is provided with a connector (41) connected with the cable (3), and the connector (41) is screwed on the insulating handle (42) through a threaded head (44).