CN216121210U - Block terminal ground connection disconnection reminding device - Google Patents
Block terminal ground connection disconnection reminding device Download PDFInfo
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- CN216121210U CN216121210U CN202122065873.9U CN202122065873U CN216121210U CN 216121210 U CN216121210 U CN 216121210U CN 202122065873 U CN202122065873 U CN 202122065873U CN 216121210 U CN216121210 U CN 216121210U
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- comparison module
- distribution box
- voltage comparison
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 8
- 210000000056 organ Anatomy 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of power distribution, and particularly relates to a grounding disconnection reminding device for a distribution box. The device is characterized in that an external lead is arranged on a box body, two digital voltage meters, a voltage comparison module and a buzzer are arranged in the box body, the two digital voltage meters are respectively connected with the voltage comparison module, and the other end of the voltage comparison module is connected with the buzzer. The utility model has simple structure, low cost, convenient use and convenient future maintenance. Can in time discover block terminal ground connection disconnection or bad ground connection scheduling problem, when block terminal ground resistance is too big, during ground connection disconnection or bad ground connection, the suggestion of reporting to the police is started to bee calling organ, reminds construction operation personnel to in time make the reply reaction and handle, avoid construction operation personnel casualty accident's emergence, the effectual personal safety who improves the operation personnel. Meanwhile, further damage to electric power facilities can be prevented, and potential safety hazards are eliminated. The utility model has strong practicability and is suitable for wide popularization and application in the power equipment industry.
Description
Technical Field
The utility model belongs to the technical field of power distribution, and particularly relates to a grounding disconnection reminding device for a distribution box.
Background
The earth disconnection of the distribution box occurs for many times in China, and the earth protection is not adopted, so that the metal outer box body of the distribution box and equipment are electrified, and casualty accidents are caused.
In the construction process, the grounding wire is a basic measure for guaranteeing equipment and personnel, but occasionally, due to the complex construction site environment, the grounding wire is disconnected sometimes, and the constructor does not work before finding, so that great personal safety hidden danger is brought to the constructor.
Therefore, those skilled in the art are constantly making research and development to avoid these accidents from happening again.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a reminding device for the grounding disconnection of a distribution box. The grounding switch aims to achieve the purpose of timely finding the problem of grounding disconnection or poor grounding of a power distribution cabinet, reminding construction operators and increasing the personal safety of the construction operators.
The technical scheme adopted by the utility model for realizing the purpose is as follows:
the utility model provides a block terminal ground connection disconnection reminding device, includes the box body, is equipped with external lead wire on the box body, is equipped with two voltmeters in the box body, still includes that a voltage compares module and bee calling organ, and two voltmeters are connected with the voltage comparison module respectively, and the other end that the module was compared to voltage is connected with bee calling organ.
Further, the external lead includes: lead a, lead B, lead C, and lead N.
Furthermore, the two voltage meters comprise a first voltage meter and a second voltage meter.
Furthermore, the first digital voltmeter and the second digital voltmeter are respectively connected with the voltage comparison module through a circuit, and the other end of the voltage comparison module is connected with the buzzer through a circuit.
Furthermore, a counter of the first digital voltmeter and a counter of the second digital voltmeter are respectively connected with a comparison module of the voltage comparison module through a line, and an output module at the other end of the voltage comparison module is connected with a signal input end of the buzzer through a line.
Furthermore, leads at two ends of the first voltmeter are respectively connected to the lead A and the lead N.
Furthermore, a positive lead of the first digital voltmeter is connected to a phase A of the distribution box, a negative lead of the first digital voltmeter is connected to a phase N of the distribution box, a positive electrode of the second digital voltmeter is connected to the phase A of the distribution box, a negative electrode of the second digital voltmeter is connected to a grounding circuit of the distribution box, and 3 loops of circuits are arranged inside the second digital voltmeter.
The utility model has the following beneficial effects and advantages:
the utility model has simple structure, low cost, convenient use and convenient future maintenance. Can in time discover block terminal ground connection disconnection or bad ground connection scheduling problem, when block terminal ground resistance is too big, during ground connection disconnection or bad ground connection, the suggestion of reporting to the police is started to bee calling organ, in time reminds construction operation personnel to the operation personnel can be more timely react and handle, avoid leading to the emergence of construction operation personnel casualty accident because of the relevant problem of ground connection, the effectual personal safety who improves the operation personnel. Meanwhile, further damage to electric power facilities can be effectively prevented, more serious electric power safety accidents are effectively avoided, potential safety hazards are eliminated, and safety power utilization accidents are avoided. The utility model has stronger practicability, thereby being suitable for wide popularization and application in the power equipment industry and having very wide market prospect.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a flow chart of the present invention for quantifying building flexibility for different needs;
FIG. 3 is a graph of the relationship between the flexibility metrics required by the present invention.
In the figure:
the device comprises a first digital voltmeter 1, a second digital voltmeter 2, a box body 3, a voltage comparison module 4 and a buzzer 5.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The solution of some embodiments of the utility model is described below with reference to fig. 1-3.
Example 1
The utility model provides an embodiment, and relates to a distribution box grounding disconnection reminding device, which is shown in fig. 1, wherein fig. 1 is an overall structural schematic diagram of the distribution box grounding disconnection reminding device.
The device is a box-packed device, a box body 3 is arranged outside the device, and the box body 3 is provided with 4 external leads: lead a, lead B, lead C, and lead N.
Two digital voltage meters are arranged in the box body 3, and comprise a first digital voltage meter 1, a second digital voltage meter 2, a voltage comparison module 4 and a buzzer 5.
The counter of the first digital voltmeter 1 and the counter of the second digital voltmeter 2 are respectively connected with the comparison module of the voltage comparison module 4 through a line, and the output module at the other end of the voltage comparison module 4 is also connected with the signal input end of the buzzer 5 through a line.
The positive lead of the first digital voltmeter 1 is connected to the phase A of the distribution box, the negative lead of the first digital voltmeter 1 is connected to the phase N of the distribution box, the positive of the second digital voltmeter 2 is connected to the phase A of the distribution box, and the negative of the second digital voltmeter 2 is connected to the grounding circuit of the distribution box. There are 3 circuits inside.
Example 2
The utility model further provides an embodiment, which is a distribution box grounding disconnection reminding device, as shown in fig. 2 and fig. 3, fig. 2 is a flow chart for quantifying building flexibility according to different requirements of the utility model, and fig. 3 is a graph of a relationship between the flexibility measures according to the requirements of the utility model.
When the reminding device is used for operation, the reminding device specifically comprises the following operation steps:
And 2, connecting the positive lead of the first digital voltmeter 1 to the phase A of the distribution box, connecting the negative lead of the first digital voltmeter 1 to the phase N of the distribution box, connecting the positive pole of the second digital voltmeter 2 to the phase A of the distribution box, and connecting the negative pole of the second digital voltmeter 2 to the grounding circuit of the distribution box. There are 3 circuits inside.
And 3, taking two digital voltmeters through the voltage comparison module 4, wherein the two digital voltmeters comprise a voltage value V1 of the first digital voltmeters 1 and a voltage value V2 of the second digital voltmeters 2, and comparing the two digital voltmeters.
And 4, comparing the values of the voltage V1 and the voltage V2 by the voltage comparison module 4.
If voltage V1 = voltage V2, the switchgear is well grounded;
if the voltage V2 is 0, the distribution box is disconnected from the ground;
if the voltage V1 is more than V2, the grounding resistance of the distribution box is overlarge, and the grounding is disconnected or poor;
and 5, when the grounding is disconnected or poor, starting the buzzer 5 when receiving a corresponding signal detected by the voltage comparison module, and alarming.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated devices or units must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (7)
1. The utility model provides a block terminal ground connection disconnection reminding device, characterized by: the intelligent voltage comparison box comprises a box body (3), wherein an external lead is arranged on the box body (3), two voltmeters are arranged in the box body (3), a voltage comparison module (4) and a buzzer (5) are further included, the two voltmeters are respectively connected with the voltage comparison module (4), and the other end of the voltage comparison module (4) is connected with the buzzer (5).
2. The distribution box grounding disconnection reminding device as claimed in claim 1, wherein: the external lead includes: lead a, lead B, lead C, and lead N.
3. The distribution box grounding disconnection reminding device as claimed in claim 1, wherein: the two voltmeters comprise a first voltmeter (1) and a second voltmeters (2).
4. The distribution box grounding disconnection reminding device as claimed in claim 3, wherein: the first digital voltmeter (1) and the second digital voltmeter (2) are respectively connected with the voltage comparison module (4) through a circuit, and the other end of the voltage comparison module (4) is connected with the buzzer (5) through a circuit.
5. The distribution box grounding disconnection reminding device as claimed in claim 3, wherein: the counter of the first digital voltmeter (1) and the counter of the second digital voltmeter (2) are respectively connected with the comparison module of the voltage comparison module (4) through lines, and the other end output module of the voltage comparison module (4) is connected with the signal input end of the buzzer (5) through a line.
6. The distribution box grounding disconnection reminding device as claimed in claim 3, wherein: the lead wires at two ends of the first voltmeter (1) are respectively connected to the lead wire A and the lead wire N.
7. The distribution box grounding disconnection reminding device as claimed in claim 3, wherein: the positive lead of the first digital voltmeter (1) is connected to the A phase of the distribution box, the negative lead of the first digital voltmeter (1) is connected to the N phase of the distribution box, the positive of the second digital voltmeter (2) is connected to the A phase of the distribution box, the negative of the second digital voltmeter (2) is connected to the grounding circuit of the distribution box, and 3 circuits are arranged inside the grounding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122065873.9U CN216121210U (en) | 2021-08-30 | 2021-08-30 | Block terminal ground connection disconnection reminding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122065873.9U CN216121210U (en) | 2021-08-30 | 2021-08-30 | Block terminal ground connection disconnection reminding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216121210U true CN216121210U (en) | 2022-03-22 |
Family
ID=80729522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122065873.9U Active CN216121210U (en) | 2021-08-30 | 2021-08-30 | Block terminal ground connection disconnection reminding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216121210U (en) |
-
2021
- 2021-08-30 CN CN202122065873.9U patent/CN216121210U/en active Active
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