CN218919964U

CN218919964U - High-energy-capacity three-phase combined overvoltage protection device

Info

Publication number: CN218919964U
Application number: CN202223225712.2U
Authority: CN
Inventors: 杨森; 王黎; 王小霞; 郭磊
Original assignee: Baoding Tongaoheng Electric Power Technology Co ltd
Current assignee: Baoding Tongaoheng Electric Power Technology Co ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-04-25
Anticipated expiration: 2032-12-02

Abstract

The utility model discloses a high-energy-capacity three-phase combined overvoltage protection device which comprises a box body and an equipment bin, wherein the equipment bin is arranged in the box body. The beneficial effects are that: the utility model adopts the voltage monitor and the telescopic link, the voltage monitor monitors each path of voltage and transmits digital signals to the singlechip in real time, the signal comparison module in the singlechip compares the digital signal range, if the voltage exceeds the set range, the control chip starts the telescopic link switch to extend the telescopic link, the telescopic link drives the knife blade to leave the wire inlet seat and the wire outlet seat, the first connecting wire and the second connecting wire can be broken, the electric equipment or the first connecting wire and the second connecting wire can be prevented from being burnt out due to overlarge voltage, when the voltage tends to a normal value, the control chip starts the telescopic link switch to control the telescopic link to shorten, the knife blade is clamped between the wire inlet seat and the wire outlet seat, the closed loop is completed again, the trouble that the traditional protective equipment needs manual reset is omitted, and the use is very convenient.

Description

High-energy-capacity three-phase combined overvoltage protection device

Technical Field

The utility model relates to the technical field of voltage monitoring protection, in particular to a high-energy-capacity three-phase combined overvoltage protection device.

Background

The voltage monitor is a statistical voltage monitor for continuously monitoring and counting voltage deviation caused by slow change of a normal running state of a power system, has the functions of monitoring, analyzing, memorizing, inquiring, setting parameters and the like, and is sometimes installed in electrical equipment in the current stage to monitor voltage.

But traditional three-phase combination formula overvoltage protection connects knife, and the knife opens circuit when the voltage is too high, protection electrical machinery safety, needs manual with knife closure just can continue to work after the knife opens circuit, sometimes only briefly increases voltage, but still need carry out reclosing knife, uses comparatively troublesome, simultaneously, after installing the voltage monitor, the staff need regularly get into the installation region and patrol and examine, has increased staff's work load.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a high-energy-capacity three-phase combined overvoltage protection device which has the advantages of automatic reset and workload reduction, thereby solving the problems in the prior art.

(II) technical scheme

In order to realize the advantages of automatic reset and workload reduction, the utility model adopts the following specific technical scheme:

the utility model provides a high energy holds three-phase combination formula overvoltage protection device, includes box and equipment bin, equipment bin has been seted up to the box inside, and the inside embedding of box has the voltage monitoring appearance in equipment bin one side, install first connecting wire and second connecting wire in the equipment bin, and install inlet wire seat and outlet wire seat between first connecting wire and the second connecting wire, first connecting wire and inlet wire seat electric connection, second connecting wire and outlet wire seat electric connection, be provided with the plug-in strip between inlet wire seat and the outlet wire seat, and the plug-in strip passes through solid fixed ring and telescopic link to telescopic link bottom surface passes through telescopic link support and equipment bin inner wall fixed connection, second connecting wire other end electric connection has the wiring mouth, and the wiring mouth inlays to be established on box lateral wall surface, the singlechip is installed to equipment bin top surface, and the singlechip is integrated to have signal transmission module, signal contrast module and control chip to control chip output and telescopic link switch input electric connection, voltage monitoring appearance output and singlechip input electric connection.

Further, the voltage monitor is coupled with the Internet through a GPRS transmission module, and the GPRS transmission module is coupled with the monitoring host and the remote access terminal through the Internet.

Further, the telescopic rod is driven by electricity, and the telescopic rod is connected with a power supply through an adapter.

Furthermore, the front vertical face of the box body is hinged with a switch door, and the surface of the switch door is provided with an observation window.

Furthermore, the fixing ring is made of insulating high-temperature-resistant materials.

Further, the knife switch and the wire inlet seat are in sliding connection with the wire outlet seat.

(III) beneficial effects

Compared with the prior art, the utility model provides the high-energy-capacity three-phase combined overvoltage protection device, which has the following beneficial effects:

(1) The utility model adopts the voltage monitor and the telescopic rod, the voltage monitor monitors the voltage of each path and transmits the digital signal to the singlechip in real time, the signal comparison module in the singlechip compares the digital signal range, if the voltage exceeds the set range, the control chip starts the telescopic rod switch to extend the telescopic rod, the telescopic rod drives the knife blade to leave the wire inlet seat and the wire outlet seat, the first connecting wire and the second connecting wire can be broken, the electric equipment or the first connecting wire and the second connecting wire can be prevented from being burnt out due to overlarge voltage, when the voltage is close to a normal value, the control chip starts the telescopic rod switch to control the telescopic rod to shorten, the knife blade is clamped between the wire inlet seat and the wire outlet seat, the closed loop is completed again, the trouble that the traditional protective equipment needs manual reset is saved, and the use is very convenient.

(2) The utility model adopts the remote control terminal and the remote access terminal, the voltage monitor sends the digital signal to the Internet through the GPRS transmission module, a user can log in the remote access terminal to inquire the working voltage in real time, meanwhile, a worker can observe the voltage condition through the monitoring host, when the voltage is in a larger numerical value state for a long time, the worker can send the worker to carry out circuit maintenance, the worker can carry out remote monitoring on the device, the workload of daily inspection is reduced, and convenience is provided for detection work.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a high-energy-capacity three-phase combined overvoltage protection device according to the present utility model;

FIG. 2 is a front view of the cabinet of the present utility model;

fig. 3 is a connection block diagram of a high-energy-capacity three-phase combined overvoltage protection device according to the present utility model.

In the figure:

1. a case; 2. a single chip microcomputer; 3. a voltage monitor; 4. a first connecting line; 5. a wire inlet seat; 6. a fixing ring; 7. a knife switch; 8. a second connecting line; 9. an equipment bin; 10. a wiring port; 11. a telescopic rod; 12. a telescopic rod bracket; 13. a wire outlet seat; 14. monitoring a host; 15. the Internet; 16. a remote access terminal; 17. an observation window; 18. and opening and closing the door.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the utility model, a high-energy-capacity three-phase combined overvoltage protection device is provided.

The utility model will now be further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-3, a high-energy-capacity three-phase combined overvoltage protection device according to the embodiment of the utility model comprises a box 1 and a device cabin 9, wherein the device cabin 9 is arranged in the box 1, a voltage monitor 3 is embedded in one side of the device cabin 9 in the box 1, the voltage monitor 3 is common equipment in the field, a first connecting wire 4 and a second connecting wire 8 are installed in the device cabin 9, a wire inlet seat 5 and a wire outlet seat 13 are installed between the first connecting wire 4 and the second connecting wire 8, the wire inlet seat 5 and the wire outlet seat 13 are made of metal conductive materials, the wire inlet seat 5 and the wire outlet seat 13 are concave, the first connecting wire 4 is electrically connected with the wire inlet seat 5, the second connecting wire 8 is electrically connected with the wire outlet seat 13, a knife switch 7 is arranged between the wire inlet seat 5 and the wire outlet seat 13, the knife 7 is clamped between the concave wire inlet seat 5 and the concave groove of the wire outlet seat 13 to form a passage, the knife 7 is connected with the telescopic rod 11 through the fixed ring 6, the bottom surface of the telescopic rod 11 is fixedly connected with the inner wall of the equipment bin 9 through the telescopic rod bracket 12, the other end of the second connecting wire 8 is electrically connected with the wiring port 10, the wiring port 10 is embedded on the side wall surface of the box body 1, the wiring port 10 adopts a universal double-wire interface or a three-wire interface, the top surface of the equipment bin 9 is provided with the singlechip 2, the singlechip 2 is integrated with a signal transmission module, a signal comparison module and a control chip, the output end of the control chip is electrically connected with the input end of the telescopic rod switch of the telescopic rod 11, the output end of the voltage monitor 3 is electrically connected with the input end of the singlechip 2, the output end of the signal transmission module is coupled with the signal comparison module, the signal comparison module is coupled with the control chip, the voltage monitor 3 monitors each path of voltage and transmits digital signals to the single chip microcomputer 2 in real time, a signal comparison module in the single chip microcomputer 2 compares the digital signal range, if the voltage exceeds a set range, a control chip starts a telescopic rod switch, so that a telescopic rod 11 stretches, the telescopic rod 11 drives a knife 7 to leave a wire inlet seat 5 and a wire outlet seat 13, the first connecting wire 4 and the second connecting wire 8 can be broken, electric equipment or the first connecting wire 4 and the second connecting wire 8 can be prevented from being burnt out due to overlarge voltage, when the voltage tends to a normal value, the control chip starts the telescopic rod switch, the telescopic rod 11 shortens, the knife 7 is clamped between the wire inlet seat 5 and the wire outlet seat 13, a closed loop is completed again, the trouble that the traditional protective equipment needs manual reset is omitted, and the voltage monitoring device is very convenient to use.

In one embodiment, the voltage monitor 3 is coupled to the internet 15 through a GPRS transmission module, and the GPRS transmission module is coupled to the monitoring host 14 and the remote access terminal 16 through the internet 15, the voltage monitor 3 sends a digital signal to the internet 15 through the GPRS transmission module, a user can log in the remote access terminal 16 to query the working voltage in real time, meanwhile, a worker can observe the voltage condition through the monitoring host 14, when the voltage is in a state of a larger value for a long time, the worker can send the worker to perform circuit maintenance, the worker can remotely monitor the device, the workload of daily inspection is reduced, and convenience is provided for detection work.

In one embodiment, the telescopic rod 11 is driven by electric power, and the telescopic rod 11 is connected with a power supply through an adapter, and the adapter regulates and controls voltage to prevent the telescopic rod 11 from being burnt out due to overlarge voltage.

In one embodiment, the front face of the box body 1 is hinged with a switch door 18, and the surface of the switch door 18 is provided with an observation window 17, so that the condition inside the equipment bin 9 can be observed conveniently.

In one embodiment, the fixing ring 6 is made of insulating high temperature resistant material, and may be made of PPS, so as to prevent the current from affecting the telescopic rod 11.

In one embodiment, the knife 7 and the wire inlet seat 5 are slidably connected to the wire outlet seat 13, a passage is formed when the knife 7 enters between the wire inlet seat 5 and the wire outlet seat 13, and a circuit break is formed when the knife 7 leaves the wire inlet seat 5 and the wire outlet seat 13.

Working principle:

the device is installed to a proper position, a power supply is independently connected for the device, the voltage monitor 3 monitors each path of voltage, and transmits digital signals to the singlechip 2 in real time, a signal comparison module in the singlechip 2 compares the digital signal range, if the voltage exceeds a set range, a control chip starts a telescopic rod switch, so that the telescopic rod 11 stretches, the telescopic rod 11 drives the knife 7 to leave the wire inlet seat 5 and the wire outlet seat 13, the first connecting wire 4 and the second connecting wire 8 can be disconnected, electric equipment or the first connecting wire 4 and the second connecting wire 8 can be prevented from being burnt out due to overlarge voltage, when the voltage tends to a normal value, the control chip starts the telescopic rod switch, the telescopic rod 11 is controlled to be shortened, the knife 7 is clamped between the wire inlet seat 5 and the wire outlet seat 13, a closed loop is completed again, the trouble that manual reset is needed by traditional protection equipment is omitted, the device is very convenient to use, meanwhile, the voltage monitor 3 transmits digital signals to the Internet 15 through a GPRS transmission module, a user can log in a remote access terminal 16 to inquire about working voltage in real time, and simultaneously, working staff can observe the voltage through the monitoring host 14, when the voltage is in a large value state, the maintenance state for a long time, the device can be monitored by the staff, the working capacity is reduced, and the device can be used for detecting the working conveniently, and the daily detecting work is convenient.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a high-energy capacity three-phase combined overvoltage protection device, its characterized in that, including box (1) and equipment bin (9), equipment bin (9) have been seted up to box (1) inside, and box (1) inside is located equipment bin (9) one side embedding has voltage monitoring appearance (3), install first connecting wire (4) and second connecting wire (8) in equipment bin (9), and install inlet wire seat (5) and outlet wire seat (13) between first connecting wire (4) and second connecting wire (8), first connecting wire (4) and inlet wire seat (5) electric connection, second connecting wire (8) and outlet wire seat (13) electric connection, be provided with knife switch (7) between inlet wire seat (5) and outlet wire seat (13), and knife switch (7) are connected with telescopic link (11) through solid fixed ring (6), and telescopic link (11) bottom surface and equipment (9) inner wall fixed connection, second connecting wire (8) other end electric connection has wiring mouth (10) and inlet wire seat (5) electric connection, second connecting wire (8) and outlet wire seat (13) electric connection are provided with knife switch (7) between inlet wire seat (5) and outlet wire seat (13), and the fixed connection of single chip (2) are installed to the signal carrier (1), and the output end of the control chip is electrically connected with the input end of a telescopic rod switch of the telescopic rod (11), and the output end of the voltage monitor (3) is electrically connected with the input end of the singlechip (2).

2. The high-energy-capacity three-phase combined overvoltage protection device according to claim 1, wherein the voltage monitor (3) is coupled with the internet (15) by means of a GPRS transmission module, and the GPRS transmission module is coupled with the monitoring host (14) and the remote access terminal (16) by means of the internet (15).

3. The high-energy-capacity three-phase combined overvoltage protection device according to claim 1, wherein the telescopic rod (11) is driven by electricity, and the telescopic rod (11) is connected with a power supply through an adapter.

4. The high-energy-capacity three-phase combined overvoltage protection device according to claim 1, wherein the front elevation of the box body (1) is hinged with a switch door (18), and an observation window (17) is formed in the surface of the switch door (18).

5. The high-energy-capacity three-phase combined overvoltage protection device according to claim 1, wherein the fixing ring (6) is made of insulating high-temperature-resistant materials.

6. The high-energy-capacity three-phase combined overvoltage protection device according to claim 1, wherein the knife switch (7) and the wire inlet seat (5) are in sliding connection with the wire outlet seat (13).