CN217935059U

CN217935059U - Monitoring protection type neutral point protector

Info

Publication number: CN217935059U
Application number: CN202221004817.2U
Authority: CN
Inventors: 王震林
Original assignee: Yangzhou Surge Electric Co ltd
Current assignee: Yangzhou Surge Electric Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-11-29
Anticipated expiration: 2032-04-28

Abstract

The utility model belongs to the technical field of electrical equipment, especially, be a monitoring protection type neutral point protector, including the protector body of fixed connection on the base, install the defrosting subassembly on the outer wall of protector body, the defrosting subassembly is including setting up the defrosting cover on the protector body to seted up the inner chamber in the defrosting cover, defrosting cover is located inner chamber department and sets up the ring channel that the array distributes, and ring channel department all installs the heating wire, detection support department on the base installs temperature and humidity sensor to the rectangular channel department of base one side installs automatically controlled box. The utility model discloses a set up the defrosting subassembly on neutral point protector, the control element in the defrosting subassembly passes through automatically controlled box controls, in case when having the frost hidden danger, the heating wire work in the defrosting subassembly realizes the automatic clear of the outside frost of neutral point protector, guarantees circuit safety, has solved the problem that neutral point protector lacks the frost removal function in present phase.

Description

Monitoring protection type neutral point protector

Technical Field

The utility model relates to an electrical equipment technical field specifically is a monitoring protection type neutral point protector.

Background

The transformer neutral point grounding protector is specially used for a power transformer neutral point, two different running modes of the transformer neutral point grounding running or the ungrounded running are realized, the damage to the transformer caused by the rise of the voltage of the transformer neutral point due to system faults is avoided, the neutral point grounding protector is widely applied to the fields of electric power, metallurgy, petrifaction, building, environmental protection and the like, the neutral point protector is used for protecting the transformer and is generally installed outdoors, the neutral point protector at the current stage can meet the basic use requirement when in use, and some defects still exist.

Neutral point protector generally installs outdoors, produces the frost easily when cold weather, and in case when producing the frost, insulating properties reduces, can not ensure electric power transmission line operation safety, simultaneously because produce the frost, weight increase can influence neutral point protector's self safety, influences the use, has some inadequately, consequently need improve it.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a monitoring protection type neutral point protector, through set up the defrosting subassembly on neutral point protector, the defrosting subassembly is controlled through the control element in the automatically controlled box, in case when having frost hidden danger, heating wire work in the defrosting subassembly realizes the automatic clear of the outside frost of neutral point protector, guarantees circuit safety, has solved the problem that neutral point protector lacks the frost removal function in present stage.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a monitoring protection type neutral point protector, includes the protector body of fixed connection on the base, install the defrosting subassembly on the outer wall of protector body, the defrosting subassembly is including setting up the defrosting cover on the protector body to seted up the inner chamber in the defrosting cover, the defrosting cover is located inner chamber department and sets up the ring channel of array distribution, and ring channel department all installs the heating wire, detection support department on the base installs temperature and humidity sensor to the rectangular channel department of base one side installs automatically controlled box, automatically controlled box includes the box body of fixed connection in rectangular channel department to and the lid of fixed connection on the box body, and install the PLC chip in the box body.

Further, still install the switch that establishes ties with the heating wire in the box body to temperature and humidity sensor's output is connected with the input electricity of PLC chip, and the output of PLC chip is connected with the input electricity of switch.

Furthermore, a storage battery is installed on one side, located on the PLC chip, in the box body, and the PLC chip and the heating wire are connected to the storage battery in parallel.

Furthermore, the box cover is provided with a wire arranging hole.

Furthermore, a thermal insulation cover is arranged at the joint between the protector body and the defrosting sleeve.

Further, threaded connection has the positioning screw who is used for fixed protector body on the base to the end connection of protector body has the cable.

(III) advantageous effects

Compared with the prior art, the utility model provides a monitoring protection type neutral point protector possesses following beneficial effect:

the utility model discloses, through the outer wall mounting defrosting subassembly at the protector body, establish the defrosting cover in the defrosting subassembly, and install the heating wire in defrosting cover inner chamber department, during the frost weather, temperature and humidity sensor can detect the information of weather, PLC chip control switch closure this moment, the intercommunication circuit of switch-on battery and heating wire, the heating wire work, produce the heat, clear away the frost on the defrosting cover outer wall, avoid producing the ice-cube, guarantee that the protector operates normally, possess fine use, the outside frost of neutral point protector can be clear away to this mode, during ice and snow weather, the weight of protector body does not increase, and guarantee that its temperature is normal, guarantee that the circuit operation is stable, excellent in use effect.

Drawings

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

fig. 2 is a schematic structural view of the electric control box of the present invention;

fig. 3 is a schematic structural diagram of the defrosting assembly of the present invention.

In the figure: 1. a base; 2. positioning a screw rod; 3. a protector body; 4. an electronic control box; 401. a box body; 402. a PLC chip; 403. a battery; 404. a switch; 405. a wire arranging hole; 406. a box cover; 5. a defrost assembly; 501. a defrosting sleeve; 502. an inner cavity; 503. an electric heating wire; 504. a heat insulation cover; 6. a cable; 7. a temperature and humidity sensor; 8. the stent is probed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2 and fig. 3, an embodiment of the present invention provides a monitoring protection type neutral point protector, including a protector body 3 fixedly connected to a base 1, a defrosting assembly 5 is installed on an outer wall of the protector body 3, the defrosting assembly 5 includes a defrosting sleeve 501 disposed on the protector body 3, and an inner cavity 502 is formed in the defrosting sleeve 501, the defrosting sleeve 501 is located at the inner cavity 502 and provided with annular grooves distributed in an array manner, heating wires 503 are installed at the annular grooves, a temperature and humidity sensor 7 is installed at a detection bracket 8 on the base 1, and an electronic control box 4 is installed at a rectangular groove on one side of the base 1, the electronic control box 4 includes a box body 401 fixedly connected at the rectangular groove, and a box cover 406 fixedly connected to the box body 401, and a PLC chip 402 is installed in the box body 401; to sum up, the model of the PLC chip 402 is S7-400, the model of the temperature and humidity sensor 7 is DHT20, which are known in the prior art, by installing the defrosting assembly 5 on the outer wall of the protector body 3, the defrosting assembly 5 can achieve defrosting treatment of the exterior of the protector body 3, thereby avoiding frost from affecting the performance of the protector body, by installing the inner cavity 502 in the defrosting sleeve 501 and forming the annular grooves at intervals at the inner cavity 502, tight installation of the heating wires 503 on the defrosting sleeve 501 can be achieved, the heating area is enlarged, the heating wires 503 generate heat during operation, thereby achieving clearing of the frost outside of the defrosting sleeve 501, by installing the temperature and humidity sensor 7 on the detection support 8 of the base 1, the temperature and humidity sensor 7 can detect information of the exterior weather, once the temperature and humidity information reaches a certain value, the PLC chip 402 can control the heating wires 503 to work, thereby achieving automatic clearing of the frost outside of the defrosting sleeve 501, the usage effect is good, thereby effectively achieving clearing of the frost outside of the neutral point protector, and ensuring the running safety of the neutral point protector.

As shown in fig. 1 and fig. 2, in some embodiments, a switch 404 connected in series with a heating wire 503 is further installed in the box 401, and an output end of the temperature and humidity sensor 7 is electrically connected to an input end of the PLC chip 402, and an output end of the PLC chip 402 is electrically connected to an input end of the switch 404; by arranging the switch 404 and connecting the switch 404 and the heating wire 503 in series, the PLC chip 402 can control the switch 404 to be closed in ice and snow weather, so that automatic operation of the heating wire 503 is realized, communication control of a circuit is realized, and the using effect is good.

As shown in fig. 2 and 3, in some embodiments, a storage battery 403 is installed on one side of the PLC chip 402 in the case 401, and the PLC chip 402 and the heating wire 503 are connected in parallel to the storage battery 403, which realizes the charging function of the power consuming components of the device.

As shown in fig. 2, in some embodiments, a wire arrangement hole 405 is formed on the box cover 406 for connecting wires such as the switch 404 and the battery 403.

As shown in fig. 3, in some embodiments, a thermal insulation cover 504 is disposed at a joint between the protector body 3 and the defrosting jacket 501, so as to prevent the protector body 3 from being affected by high temperature generated during defrosting, and protect the protector body 3.

As shown in fig. 1, in some embodiments, a positioning screw 2 for fixing a protector body 3 is screwed on a base 1, and a cable 6 is connected to an end of the protector body 3, so as to connect external lines.

The utility model discloses a theory of operation and application step: install temperature and humidity sensor 7 on detecting support 8, when having ice and snow weather, temperature and humidity sensor 7 can detect corresponding weather information, PLC chip 402 receives the signal, control switch 404 is closed, the power supply circuit of switch-on battery 403 and heating wire 503, heating wire 503 work this moment, produce higher temperature, realize the automatic clear of the outside frost of defrosting cover 501, avoid the frost reason to influence the performance of protector body 3, play the purpose of protector body 3 monitoring protection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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 monitoring protection type neutral point protector, includes protector body (3) of fixed connection on base (1), its characterized in that: install defrosting subassembly (5) on the outer wall of protector body (3), defrosting subassembly (5) is including setting up defrosting cover (501) on protector body (3) to inner chamber (502) have been seted up in defrosting cover (501), and defrosting cover (501) are located inner chamber (502) and locate to set up array distribution's ring channel, and heating wire (503) are all installed to ring channel department, detection support (8) department on base (1) installs temperature and humidity sensor (7) to the rectangular channel department of base (1) one side installs automatically controlled box (4), automatically controlled box (4) include box body (401) of fixed connection in rectangular channel department to and lid (406) of fixed connection on box body (401), and install PLC chip (402) in box body (401).

2. A monitoring and protective neutral point protector as claimed in claim 1, wherein: the box body (401) is also internally provided with a switch (404) which is connected with the heating wire (503) in series, the output end of the temperature and humidity sensor (7) is electrically connected with the input end of the PLC chip (402), and the output end of the PLC chip (402) is electrically connected with the input end of the switch (404).

3. A monitoring and protective neutral point protector as claimed in claim 1, wherein: a storage battery (403) is installed on one side, located on the PLC chip (402), in the box body (401), and the PLC chip (402) and the heating wires (503) are connected to the storage battery (403) in parallel.

4. A monitoring and protective neutral point protector as claimed in claim 1, wherein: the box cover (406) is provided with a wire arranging hole (405).

5. A monitoring and protective neutral point protector as claimed in claim 1, wherein: and a thermal insulation cover (504) is arranged at the joint between the protector body (3) and the defrosting sleeve (501).

6. A monitoring and protective neutral point protector as claimed in claim 1, wherein: threaded connection has positioning screw (2) that are used for fixed protector body (3) on base (1) to the end connection of protector body (3) has cable (6).