CN215580548U

CN215580548U - Intelligent measurement and control device for low-voltage distribution network

Info

Publication number: CN215580548U
Application number: CN202121900914.5U
Authority: CN
Inventors: 孙慧斌; 姚衍民
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-01-18
Anticipated expiration: 2031-08-13

Abstract

The utility model relates to the technical field of power distribution networks, in particular to an intelligent measurement and control device for a low-voltage power distribution network, which comprises a shell, wherein a display screen, an alarm lamp and a plug board are arranged outside the shell, a main board and a lithium battery are arranged inside the shell, a voltage transformer, a pulse signal generator, a current sensor and a microprocessor are arranged on the main board, and the device can conveniently and visually monitor power loss through the arranged voltage transformer.

Description

Intelligent measurement and control device for low-voltage distribution network

Technical Field

The utility model relates to the technical field of power distribution networks, in particular to an intelligent measurement and control device for a low-voltage power distribution network.

Background

The power distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, a plurality of accessory facilities and the like, plays a role of distributing electric energy in a power network, is a power network with the voltage grade of 35KV and below, and is used for supplying power to each power distribution station and various power loads in cities, so that the low voltage is a power distribution network below 1 KV.

For a low-voltage distribution network, the low-voltage distribution network is a power grid for residential power utilization or office power utilization, the current household electrical equipment is gradually enriched, the power utilization requirement is larger and larger, but except an external electric meter, a user cannot directly detect the household power utilization condition, and cannot find out the household power utilization condition in time when a household internal line fails.

Therefore, a low-voltage distribution network intelligent measurement and control device is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent measurement and control device for a low-voltage distribution network, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a low voltage distribution network intelligence measurement and control device, includes the casing, the outside of casing is equipped with display screen, warning light and picture peg, is equipped with mainboard and lithium cell in the inside of casing, is equipped with voltage transformer, pulse signal generator, current sensor and microprocessor on the mainboard.

As a preferable scheme of the utility model, a display screen is embedded in a section on one side of the peripheral length of the shell, an alarm lamp is arranged on the upper portion and the lower portion of the section on one side of the peripheral width of the shell, an inserting plate is arranged on one side of the periphery of the shell, which is far away from the display screen, and a fixing plate is arranged on one side of the inserting plate, which is far away from the shell.

As a preferable scheme of the present invention, the fixing plate includes threaded holes, clamping seats and through holes, wherein the threaded holes are formed at four corners of the cross section at two sides of the length of the fixing plate, the clamping seats are arranged on the cross section of one side of the fixing plate close to the shell in a mirror image manner along the length direction of the fixing plate, the shell is slidably mounted with the two clamping seats on the fixing plate through the inserting plate, and the through holes are formed at the centers of two sides of the peripheral length of the fixing plate.

As a preferable scheme of the present invention, a main board is disposed on an inner side wall of the housing, a lithium battery is disposed on a width cross section of an inner side of the housing and a side far away from the main board, a plurality of voltage transformers are disposed on a side cross section of the main board near the display screen and at positions far away from the lithium battery from top to bottom, a microprocessor and a current sensor are sequentially disposed on a side cross section of the main board near the voltage transformers and at positions near the lithium battery from top to bottom, and a pulse signal generator is disposed on the main board between the voltage transformers and the microprocessor.

As a preferable scheme of the utility model, a wire sleeve is arranged at the center of the cross section of one side of the fixing plate, which is far away from the shell, a plurality of wires are arranged on the inner side of the wire sleeve, and one end of each wire, which is close to the fixing plate, penetrates through the shell and is connected with one side of the main board on the inner side of the shell.

As a preferable scheme of the utility model, the display screen, the alarm lamp and the main board are electrically connected with an external power supply through wires.

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

1. according to the utility model, through the arrangement of the alarm lamp, the voltage transformer, the pulse signal generator, the current sensor and the microprocessor, the device can effectively monitor power loss and monitor and alarm circuit faults, so that the device is more portable and efficient in use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a fixing plate according to the present invention;

FIG. 3 is a schematic view of the internal structure of the housing of the present invention;

fig. 4 is a flow chart of the working principle of the present invention.

In the figure: 1. a housing; 2. a display screen; 3. an alarm light; 4. inserting plates; 5. a fixing plate; 501. a threaded hole; 502. a card holder; 503. a through hole; 6. a wire sleeve; 7. a wire; 8. a main board; 9. a voltage transformer; 10. a pulse signal generator; 11. a current sensor; 12. a lithium battery; 13. a microprocessor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a low voltage distribution network intelligence measurement and control device, includes casing 1, and casing 1's outside is equipped with display screen 2, warning light 3 and picture peg 4, is equipped with mainboard 8 and lithium cell 12 in casing 1's inside, is equipped with voltage transformer 9, pulse generator 10, current sensor 11 and microprocessor 13 on mainboard 8.

In the embodiment, referring to fig. 1, 2, 3 and 4, a display screen 2 is embedded in a cross section of one side of the peripheral length of a housing 1, an alarm lamp 3 is arranged above and below the cross section of one side of the peripheral width of the housing 1, an inserting plate 4 is arranged on one side of the periphery of the housing 1 away from the display screen 2, a fixing plate 5 is arranged on one side of the inserting plate 4 away from the housing 1, the fixing plate 5 comprises a threaded hole 501, a clamping seat 502 and a through hole 503, wherein the threaded hole 501 is arranged at four corners of the cross sections of two sides of the length of the fixing plate 5, the clamping seat 502 is arranged on the cross section of one side of the fixing plate 5 close to the housing 1 along the length direction of the fixing plate 5 in a mirror image manner, the housing 1 is slidably mounted with the two clamping seats 502 on the fixing plate 5 through the inserting plate 4, the through hole 503 is arranged at the center of two sides of the peripheral length of the fixing plate 5, a wire sleeve 6 is arranged at the center of the cross section of one side of the fixing plate 5 away from the housing 1, the inner side of the wire sleeve 6 is provided with a plurality of wires 7, one end of each wire 7 close to the fixing plate 5 penetrates through the shell 1 to be connected with one side of the main board 8 on the inner side of the shell 1, and the device is portable in disassembly and assembly and convenient to maintain through the arranged fixing plate 5.

An embodiment, please refer to fig. 1, fig. 3 and fig. 4, be equipped with mainboard 8 on the inside wall of casing 1, be equipped with lithium cell 12 on the inboard of casing 1 and keep away from mainboard 8 one side width cross-section, be close to on the one side cross-section of display screen 2 and keep away from lithium cell 12 department and be provided with a plurality of voltage transformer 9 from top to bottom on mainboard 8 is equipped with one side cross-section of voltage transformer 9 and is close to lithium cell 12 department and from last microprocessor 13 and current sensor 11 of being equipped with down in proper order, be located and be equipped with pulse generator 10 on mainboard 8 between voltage transformer 9 and microprocessor 13, display screen 2, warning light 3 and mainboard 8 are connected with external power supply department electricity through wire 7, mainboard 8 through the setting, make the device can realize electric quantity loss detection and circuit fault alarm.

The working principle is as follows: when the device is used, one end of a wire on the device is connected with a circuit on a line brake of a distribution box in parallel, at the moment, when the circuit is subjected to power loss again, a voltage transformer 9 converts a voltage signal into a small signal which can be used for electronic measurement, a current signal is subjected to analog or digital multiplication and accumulates electric energy, then a pulse signal generator 10 with the output frequency in direct proportion to the electric energy transmits information to a microprocessor 13 for processing and then displays the information through a display screen 2, when the circuit is in fault and is powered off, a current sensor 11 monitors that no voltage exists on a mainboard 8 through power on a lithium battery 12, at the moment, the lithium battery 12 drives an alarm lamp 3 to give an alarm, so that a user is reminded that the circuit is in fault, the device is more portable and efficient when in use through electric quantity monitoring and circuit fault monitoring alarm, and has certain popularization value.

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 low voltage distribution network intelligence measurement and control device, includes casing (1), its characterized in that: the external portion of casing (1) is equipped with display screen (2), warning light (3) and picture peg (4), is equipped with mainboard (8) and lithium cell (12) in the inside of casing (1), is equipped with voltage transformer (9), pulse generator (10), current sensor (11) and microprocessor (13) on mainboard (8).

2. The intelligent measurement and control device for the low-voltage distribution network according to claim 1, characterized in that: the embedded display screen (2) of installing on the peripheral length one side cross-section of casing (1), be provided with warning light (3) about presenting on the peripheral width one side cross-section of casing (1), the peripheral one side of keeping away from display screen (2) of casing (1) is equipped with picture peg (4), and the one side of keeping away from casing (1) in picture peg (4) is equipped with fixed plate (5).

3. The intelligent measurement and control device for the low-voltage distribution network according to claim 2, characterized in that: fixed plate (5) are including screw hole (501), cassette (502) and through-hole (503), wherein set up screw hole (501) at four corners in the length both sides cross-section of fixed plate (5), and the length direction who is the mirror image along fixed plate (5) on the cross-section of one side that casing (1) is pressed close to in fixed plate (5) is provided with cassette (502), casing (1) carry out slidable mounting through two cassettes (502) on picture peg (4) and fixed plate (5), and through-hole (503) have been seted up in the center department of the peripheral length both sides of fixed plate (5).

4. The intelligent measurement and control device for the low-voltage distribution network according to claim 1, characterized in that: be equipped with on the inside wall of casing (1) mainboard (8), be equipped with lithium cell (12) on the inboard of casing (1) and keep away from mainboard (8) one side width cross-section, just keep away from lithium cell (12) department on mainboard (8) one side cross-section of being close to display screen (2) and be provided with a plurality of voltage transformer (9) from the top down, just be close to lithium cell (12) department on mainboard (8) one side cross-section that is equipped with voltage transformer (9) and be equipped with microprocessor (13) and current sensor (11) from last to being equipped with down in proper order, be located between voltage transformer (9) and microprocessor (13) and be equipped with pulse generator (10) on mainboard (8).

5. The intelligent measurement and control device for the low-voltage distribution network according to claim 2, characterized in that: the center department of one side cross-section that casing (1) was kept away from in fixed plate (5) is equipped with line cover (6), is equipped with many wires (7) in the inboard of line cover (6), the one end that fixed plate (5) were pressed close to in wire (7) is passed casing (1) and is connected with inboard mainboard (8) one side of casing (1).

6. The intelligent measurement and control device for the low-voltage distribution network according to claim 1, characterized in that: the display screen (2), the alarm lamp (3) and the main board (8) are electrically connected with an external power supply position through a lead (7).