CN212627131U

CN212627131U - Distribution network equipment voltage overvoltage protector

Info

Publication number: CN212627131U
Application number: CN202021488977.XU
Authority: CN
Inventors: 杨福林; 汤艳艳
Original assignee: Dalian Keyue Electric Appliance Co ltd
Current assignee: Dalian Keyue Electric Appliance Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-02-26
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a distribution network equipment voltage overvoltage protector, the power distribution network equipment voltage overvoltage protector comprises a box body, the box front end surface is equipped with the chamber door through the hinge fixation, the box door front end surface right side is equipped with the handle through the screw fixation, the observation window has been seted up on the left of box door front end surface, box upper end surface left side is equipped with signal receiver through the screw fixation, the signal receiver right-hand member is equipped with the lightning rod through the screw fixation, the lightning rod right-hand member is equipped with the siren through the screw fixation, box rear end surface middle part is equipped with the limiting plate through the screw fixation, the limiting plate front end surface all is equipped with the fan through the screw fixation, the fan front end surface all is equipped with the filter screen through the screw fixation, box rear end surface both sides are equipped with the couple through the screw fixation, box right; the utility model discloses possessed easy operation, protected voltage overvoltage, multiple protection, the good, the high advantage of practicality of heat dissipation.

Description

Distribution network equipment voltage overvoltage protector

Technical Field

The utility model relates to a voltage overvoltage protection technical field, concretely relates to is a distribution network equipment voltage overvoltage protector.

Background

The distribution network comprises overhead line, cable, shaft tower, distribution transformer, isolator, reactive power compensator and some subsidiary facilities etc. plays the network of important distribution electric energy effect in the power network, and distribution network equipment includes: the distribution network is classified according to voltage grades and can be divided into a high-voltage distribution network, a medium-voltage distribution network and a low-voltage distribution network. In order to ensure that the voltage of the power distribution network equipment normally works, the voltage overvoltage protection device of the power distribution network equipment is specially designed for the voltage overvoltage of the power distribution network equipment.

In the prior art, the operation is complex, the protection on voltage overvoltage is incomplete, the heat dissipation is poor, and the practicability is low, so that a voltage overvoltage protection device for power distribution network equipment is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a distribution network equipment voltage overvoltage protector has possessed easy operation, has protected voltage overvoltage, multiple protection, the good, the high advantage of practicality of heat dissipation, has solved prior art's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a distribution network equipment voltage overvoltage protection device comprises a box body, wherein a box door is fixedly arranged on the front end surface of the box body through a hinge, a handle is fixedly arranged on the right side of the front end surface of a box door through screws, an observation window is arranged on the left side of the front end surface of the box door, a signal receiver is fixedly arranged on the left side of the upper end surface of the box body through screws, a lightning rod is fixedly arranged at the right end of the signal receiver through screws, an alarm is fixedly arranged at the right end of the lightning rod through screws, a limiting plate is fixedly arranged in the middle of the rear end surface of the box body through screws, a fan is fixedly arranged on the front end surface of the limiting plate through screws, a filter screen is fixedly arranged on the front end surface of the fan through screws, hooks are fixedly arranged on two sides of the rear end surface of the box body through screws, a, the transformer upper end left side is equipped with current detection device through the screw fixation, the current detection device right-hand member is equipped with the low frequency deloading ware through the screw fixation, the low frequency deloading ware right-hand member is equipped with the stabiliser through the screw fixation, the stabiliser right-hand member is equipped with voltage overvoltage detector through the screw fixation, voltage overvoltage detector right-hand member is equipped with the outage ware through the screw fixation.

Preferably, the surface of the rear end of the box body is provided with through holes.

Preferably, a glass plate is embedded in the observation window, and the glass plate is made of hard toughened glass.

Preferably, the control box is connected to the fan, the signal receiver, the transformer, the current detection device, the low-frequency load reducer, the voltage stabilizer, the voltage overvoltage detector, the breaker and the alarm through cables.

Preferably, the fan model: leiplold, the signal receiver model: LJ6108, the transformer model: SFPZ9-120000/110, the low frequency deloader model: DHE-UF200, model potentiostat: SBW, voltage overvoltage detector model: ICL7665S, breaker model: HCK 332L.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a distribution network equipment voltage overvoltage protector, carry out real-time detection to distribution network equipment voltage through voltage overvoltage detector, voltage overvoltage detector can signal and give the outage ware and cut off the power supply to start the siren and send out the police dispatch newspaper, inform staff through the police dispatch newspaper and maintain before, avoid the too high low a large amount of electrical apparatus in large fragment area of leading to of voltage to be burnt out, burn out, guarantee user of service's the security of the lives and property, thereby it is high to have improved and protected and the practicality to voltage overvoltage more.

2. The utility model provides a distribution network equipment voltage overvoltage protector, carries out wind-force heat dissipation to the inside electrical apparatus of distribution network equipment through the fan, and the filter screen is equipped with to the fan outside, prevents to blow in the inside electrical apparatus of distribution network equipment with outside dust, increases distribution network equipment inside electrical apparatus life through heat dissipation in real time, prevents that distribution network equipment inside electrical apparatus is impaired because of the high temperature, has improved the heat dissipation better.

Drawings

Fig. 1 is a schematic view of the overall structure of a voltage overvoltage protection device for power distribution network equipment according to the present invention;

fig. 2 is a schematic diagram of the external structure of the rear end of the box body of the overvoltage protection device for the voltage of the power distribution network equipment of the present invention;

fig. 3 is a schematic diagram of the internal structure of the box of the overvoltage protection device for power distribution network equipment of the present invention;

fig. 4 is the utility model relates to a distribution network equipment voltage overvoltage protector's box rear end + inner structure schematic diagram.

The figures are labeled as follows: 1. a box body; 2. a box door; 3. a handle; 4. an observation window; 5. a signal receiver; 6. a lightning rod; 7. a limiting plate; 8. a fan; 9. a filter screen; 10. hooking; 11. a control box; 12. a transformer; 13. a current detection device; 14. a low frequency load shedding device; 15. a voltage regulator; 16. a voltage overvoltage detector; 17. an electrical disconnect; 18. an alarm.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1 of the drawings, a drawing, 2, a distribution network equipment voltage overvoltage protection device, which comprises a box body 1, wherein a box door 2 is fixedly arranged on the front end surface of the box body 1 through a hinge, a handle 3 is fixedly arranged on the right side of the front end surface of the box door 2 through screws, an observation window 4 is arranged on the left side of the front end surface of the box door 2, a signal receiver 5 is fixedly arranged on the left side of the upper end surface of the box body 1 through screws, a lightning rod 6 is fixedly arranged on the right end of the signal receiver 5 through screws, an alarm 18 is fixedly arranged on the right end of the lightning rod 6 through screws, a limiting plate 7 is fixedly arranged in the middle of the rear end surface of the box body 1 through screws, a fan 8 is fixedly arranged on the front end surface of the limiting plate 7 through screws, a filter screen 9 is fixedly arranged on the front end surface of the fan 8 through screws;

specifically, the internal electrical appliance of the device is protected through the box body 1, the box door 2 closes the box body 1, the box door 2 can be opened by pulling the handle 3, the observation window 4 is used for observing the internal integral structure of the box body 1, the signal receiver 5 can receive signals transmitted by external equipment, the lightning rod 6 can carry out lightning protection in thunderstorm days, the alarm 18 breaks down to send an alarm to inform workers, the limiting plate 7 limits the position of the fan 8 to be fixed, the fan 8 dissipates heat of the internal electrical appliance of the device through wind power, the filter screen 9 filters dust, the device can be hung to an area needing to be placed through the hook 10, and the control box 11 controls the integral power supply of the device;

example 2:

please refer to fig. 1, 2, 3, 4, a distribution network equipment voltage overvoltage protection device, including box 1 inside the below through the screw fixation be equipped with transformer 12, transformer 12 upper end left side is equipped with current detection device 13 through the screw fixation, current detection device 13 right-hand member is equipped with low frequency deloading ware 14 through the screw fixation, 14 right-hand members of low frequency deloading ware are equipped with stabiliser 15 through the screw fixation, 15 right-hand members of stabiliser are equipped with voltage overvoltage detector 16 through the screw fixation, 16 right-hand members of voltage overvoltage detector are equipped with breaker 17 through the screw fixation, the fan 8 model: leiplold, signal receiver 5 model: LJ6108, transformer 12 model: SFPZ9-120000/110, low frequency deloader model 14: DHE-UF200, model regulator 15: SBW, voltage overvoltage detector model 16: ICL7665S, breaker 17 model: HCK 332L:

specifically, through the inside connection of electric lines of equipment, the circuit circular telegram of having guaranteed the inside equipment is injectd, the inside functional unit model of equipment, the implementation of functional unit has been guaranteed, transformer 12 utilizes electromagnetic induction's principle to change alternating voltage's device, current detection device 13 detects whether input current and output current are normal, low frequency deloading ware 14 guarantees the low frequency deloading device of the reliability of important user's power supply, stabiliser 15 maintains the device of constant voltage automatically, voltage overvoltage detector 16 detects whether overvoltage in real time voltage, outage ware 17 cuts off the circuit.

The working principle is as follows: a distribution network equipment voltage overvoltage protection device is characterized in that a control box 11 is connected through an external power supply cable, the cable is connected with a fan 8, a signal receiver 5, a transformer 12, a current detection device 13, a low-frequency load reducer 14, a voltage stabilizer 15, a voltage overvoltage detector 16, a breaker 17 and an alarm 18, a user checks whether the cable is connected before using the distribution network equipment voltage overvoltage protection device, the device is hung to a working area needing to be used through a hook 10, a box body 1 is an integral protection shell of the device, whether the electrical appliance in the box body 1 normally works can be observed through an observation window 4 in a perspective mode, a glass plate is embedded in the observation window 4 and is made of hard toughened glass, a box door 2 can be opened through pushing of a handle 3, the signal receiver 5 can receive signals transmitted from external equipment, and a lightning rod 6 can carry out lightning protection in a thunderstorm day, the voltage overvoltage detector 16 detects the voltage of the power distribution network equipment in real time, the voltage is too high, the voltage overvoltage detector 16 can signal the breaker 17 to cut off the power, the alarm 18 is started to give an alarm to inform workers of maintenance in the future through the alarm, the situation that a large number of electrical appliances in a large area are burnt out and burnt out due to too low voltage is avoided, the limiting plate 7 limits the position of the fan 8 to be fixed, the fan 8 carries out wind power heat dissipation on the electrical appliances in the power distribution network equipment, the filter screen 9 is arranged outside the fan 8 to prevent external dust from being blown into the electrical appliances in the power distribution network equipment, the service life of the electrical appliances in the power distribution network equipment is prolonged through real-time heat dissipation, the electrical appliances in the power distribution network equipment are prevented from being damaged due to too high temperature, the control box 11 controls the whole power supply of the device, then the power is converted back, thereby greatly reducing the loss of the power in the transmission process, leading the economic transmission distance of the power to be farther, detecting whether the input current and the output current are normal by the current detection device 13, ensuring the power supply reliability of important users by the low-frequency load-reducing device 14, improving the power supply quality, ensuring the power supply reliability of the important users, automatically disconnecting a part of unimportant users according to the frequency reduction degree when the frequency is reduced caused by the shortage of active power in the system, preventing the frequency from reducing, leading the frequency to be rapidly recovered to the normal value, stabilizing the voltage stabilizer 15 which is a device for automatically maintaining constant voltage, stabilizing the power supply voltage with larger fluctuation and the requirement of electrical equipment within the set value range thereof, leading various circuits or electrical equipment to be capable of normally working under the rated working voltage.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a distribution network equipment voltage overvoltage protector which characterized in that: the box comprises a box body (1), wherein a box door (2) is fixedly arranged on the front end surface of the box body (1) through a hinge, a handle (3) is fixedly arranged on the right side of the front end surface of the box door (2) through a screw, an observation window (4) is arranged on the left side of the front end surface of the box door (2), a signal receiver (5) is arranged on the left side of the upper end surface of the box body (1) through a screw, a lightning rod (6) is arranged on the right end of the signal receiver (5) through a screw, an alarm (18) is arranged on the right end of the lightning rod (6) through a screw, a limiting plate (7) is arranged in the middle of the rear end surface of the box body (1) through a screw, a fan (8) is arranged on the front end surface of the limiting plate (7) through a screw, a filter screen (9) is arranged on the front, the utility model discloses a transformer, including box (1), current detection device (13) right-hand member, box (1) right-hand member surface middle part is equipped with control box (11) through the screw fixation, the below is equipped with transformer (12) through the screw fixation in box (1), transformer (12) upper end left side is equipped with current detection device (13) through the screw fixation, current detection device (13) right-hand member is equipped with low frequency deloading ware (14) through the screw fixation, low frequency deloading ware (14) right-hand member is equipped with stabiliser (15) through the screw fixation, stabiliser (15) right-hand member is equipped with voltage overvoltage detection ware (16) through the screw fixation.

2. The distribution network equipment voltage overvoltage protection device of claim 1, wherein: the rear end surface of the box body (1) is provided with through holes.

3. The distribution network equipment voltage overvoltage protection device of claim 1, wherein: and a glass plate is embedded in the observation window (4), and the glass plate is made of hard toughened glass.

4. The distribution network equipment voltage overvoltage protection device of claim 1, wherein: the control box (11) is connected to the fan (8), the signal receiver (5), the transformer (12), the current detection device (13), the low-frequency load-reducing device (14), the voltage stabilizer (15), the voltage overvoltage detector (16), the breaker (17) and the alarm (18) through cables.

5. The distribution network equipment voltage overvoltage protection device of claim 1, wherein: the fan (8) model: LEIPOLD, the signal receiver (5) model: LJ6108, the transformer (12) model: SFPZ9-120000/110, the low frequency deloader (14) model: DHE-UF200, model number of said potentiostat (15): SBW, type of said voltage overvoltage detector (16): ICL7665S, model number of said circuit breaker (17): HCK 332L.