CN217280280U

CN217280280U - High protection intelligence lightning protection device

Info

Publication number: CN217280280U
Application number: CN202123382133.4U
Authority: CN
Inventors: 李�根
Original assignee: Hangzhou Tianhu Intelligent Technology Co ltd
Current assignee: Hangzhou Tianhu Intelligent Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-23
Anticipated expiration: 2031-12-30

Abstract

High protection intelligent lightning protection device, relates to the lightning protection device field, comprising a ceramic shell, an upper cover and a lower cover, wherein the upper end of the ceramic shell is connected with the lower end of the upper cover through a thread, the lower end of the ceramic shell is connected with the upper end of the lower cover through a thread, the utility model discloses a one-way membrane, a filling water absorption layer and an inner sleeve are arranged in the ceramic shell, a heating plate is arranged outside the inner sleeve, the extending metal blocks at the two sides of the inner sleeve both pass through the ceramic shell surrounding the inner sleeve and extend into an outer space, a through hole is arranged in the extending metal block at the right side, the moist gas inside the device is discharged through the through hole when the moist gas is removed, the one-way membrane and the filling water absorption layer can keep the inside of the device dry for a long time, a humidity sensor is arranged in the ceramic shell, if the humidity is too high, an indicator can indicate that the inside of the inner space can be dehumidified, the inside of the lightning protection device is prevented from being wetted, greatly improving the using effect and the service life, and simultaneously improving the circuit safety.

Description

High protection intelligence lightning protection device

Technical Field

The utility model belongs to the technical field of the lightning protection device and specifically relates to high protection intelligence lightning protection device.

Background

The lightning arrester is a lightning protection device for preventing lightning waves from invading a transformer substation along a line to damage electrical equipment. Under normal working voltage, the gap of the lightning arrester cannot be punctured, and the numerical value of leakage current flowing through the lightning arrester is very small. When lightning waves come, the gap of the lightning arrester can be punctured quickly, the lightning arrester discharges to the ground, the overvoltage value of protected equipment is limited, and the effect of protecting the equipment is achieved.

The zinc oxide arrester is an arrester with good protection performance. The current flowing through the lightning arrester is extremely small when the normal working voltage is achieved by utilizing the good nonlinear volt-ampere characteristic of the zinc oxide, and when the overvoltage acts, the resistance drops sharply, the energy of the overvoltage is discharged, and the protection effect is achieved. The difference between the lightning arrester and the traditional lightning arrester is that the lightning arrester has no discharge gap and plays the role of current leakage and disconnection by utilizing the nonlinear characteristic of zinc oxide.

However, the zinc oxide lightning protection device is often affected with damp, and the main reason is poor sealing of the lightning protection device; the valve plate of the lightning protection device is not dried completely and contains water; the improper position of laying of seal ring of lightning protection device during the assembly does not have installation etc. even, uses the inside inevitable more steam that can appear of lightning protection device for a long time, in case the lightning protection device appears weing, can seriously influence use and circuit safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high protection intelligence lightning protection device to solve the problem that provides in the above-mentioned background art.

The utility model provides a its technical problem take following technical scheme to realize:

the high-protection intelligent lightning protector comprises a ceramic shell, an upper cover and a lower cover, wherein the upper end of the ceramic shell is in threaded connection with the lower end of the upper cover, the lower end of the ceramic shell is in threaded connection with the upper end of the lower cover, a wiring terminal is arranged on the upper side surface of the upper cover, an upper connecting piece is arranged in the upper cover and is electrically connected with the upper connecting piece, a grounding terminal is arranged in the lower cover, an inner space is arranged in the ceramic shell, the grounding terminal and the upper connecting piece extend into the inner space, three supporting seats are sequentially and uniformly fixed in the inner space from top to bottom, a ZnO valve block is arranged between every two adjacent supporting seats, a gap block is arranged between every two ZnO valve blocks on the upper side and the lower side, a one-way film is arranged between every two adjacent supporting seats, an inner sleeve is fixedly arranged on the inner side surface of the ceramic shell, and an annular space is formed between the inner sleeve and the one-way film, and a water filling and absorbing layer is arranged in the annular space.

Beneficially, the unidirectional film is a waterproof breathable film, the unidirectional film is of an annular structure, the inner diameter of the annular structure formed by the unidirectional film is not smaller than the outer diameter of the ZnO valve plate, the size of a gap between the outer contour of the ZnO valve plate and the unidirectional film is 2 cm, and the unidirectional film is prevented from being damaged by heat generated by the ZnO valve plate when current passes through the ZnO valve plate.

Advantageously, the inner sleeve is a metal sleeve, a heating plate is fixedly arranged on the outer side of the inner sleeve, the inner side wall of the inner sleeve is in abutting contact with the water absorbing layer, and the heating plate can generate heat to enable water vapor absorbed in the water absorbing layer to volatilize from the water absorbing layer and then pass through a discharging device.

Beneficially, the left end and the right end of the inner sleeve are fixedly provided with extending metal blocks, the extending metal blocks on the two sides extend into the outer space through the ceramic shell, the middle on the right side is provided with a through hole, the through hole is communicated with the inner space, and when the temperature of the heating plate rises, water vapor absorbed in the filling water absorption layer volatilizes, and the water vapor can pass through the through hole discharging device.

Advantageously, a check valve is arranged in the through hole, a sealing element is arranged at the right end of the through hole, a fixing plate is fixedly arranged at the right end of the sealing element, a thread sealing block is arranged at the left end of the sealing element, the thread sealing block is provided with external threads, an internal thread is arranged at the right end of the through hole, the through hole is in threaded connection with the thread sealing block, and the sealing element can play a role in closing the through hole.

Advantageously, a sealing ring is arranged on the left end face of the sealing element, the sealing ring is a rubber sealing ring, and when the thread sealing block is screwed into the through hole, the sealing ring seals a gap between the sealing element and the through hole, so that the condition that the internal environment and the external environment are communicated is avoided, and external moisture is prevented from entering the internal space.

Beneficially, the topmost be equipped with the monitoring space in the supporting seat, be equipped with humidity transducer in the monitoring space, the fixed indicator that is equipped with of upper cover right flank, the indicator is intelligent pilot lamp, the indicator with electricity is connected between the monitoring space, humidity transducer can monitor the inside humidity of inner space, when the device uses, inevitably can humidity rise in the inner space, the layer that absorbs water is absorbed in the packing constantly moisture in the inner space, in case the layer that absorbs water is saturated to the packing after the moisture that absorbs water, humidity can rise in the inner space, at this moment humidity transducer can monitor humidity in the inner space, passes through simultaneously humidity transducer's colour variation indicates humidity size in the inner space to this makes things convenient for the maintainer to overhaul.

The utility model discloses an advantage is with positive effect:

the utility model discloses a set up one-way membrane, fill layer and inner skleeve that absorbs water in the inside of ceramic casing, the outside of inner skleeve is equipped with the hot plate, wherein all be equipped with the extension metal block at the left and right ends of inner skleeve, the extension metal block of both sides all passes the ceramic casing that surrounds the inner skleeve and extends to the exterior space, wherein be equipped with the through-hole in the extension metal block on right side, be equipped with the sealing member in the through-hole, the humid gas of inside is discharged through the through-hole when removing the moisture, one-way membrane can make steam unidirectional motion, make the moisture in the interior space absorb through the one-way membrane and fill layer that absorbs water, keep the device interior dry for a long time, be equipped with humidity transducer in the ceramic casing, humidity transducer can intelligent monitoring humidity in the interior space, if the indicator can indicate when humidity is too big, the operator can dehumidify the interior space of interior, avoid the lightning protection device interior to get wet, greatly improving the using effect and the service life, and simultaneously improving the circuit safety.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic view of the whole full-section main view structure of the high-protection intelligent lightning protection device of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 along the direction A-A according to the present invention;

fig. 3 is a partially enlarged view of the point B in fig. 1 according to the present invention.

The scores in the figures are as follows: 11. a ceramic housing; 12. an upper cover; 13. a wiring terminal; 14. an upper connecting piece; 15. an interior space; 16. a supporting seat; 17. a ZnO valve plate; 18. a gap block; 19. a lower cover; 20. a ground terminal; 21. an indicator; 22. heating plates; 23. an inner sleeve; 24. a unidirectional film; 25. filling a water absorption layer; 26. an extension metal block; 27. a through hole; 28. a one-way valve; 29. a thread sealing block; 30. a seal ring; 31. a fixing plate; 32. monitoring a space; 33. a humidity sensor; 34. and a seal member.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

The invention will be described in detail with reference to fig. 1-3, wherein for ease of description, the following orientations are now specified: the up-down, left-right, front-back direction described below is consistent with the front-back, left-right, top-down direction of the view direction of fig. 1, fig. 1 is the front view of the device of the present invention, and the direction shown in fig. 1 is consistent with the front-back, left-right, top-down direction of the front view direction of the device of the present invention.

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

referring to fig. 1-3, the present invention provides an embodiment: the high-protection intelligent lightning protector comprises a ceramic shell 11, an upper cover 12 and a lower cover 19, wherein the upper end of the ceramic shell 11 is in threaded connection with the lower end of the upper cover 12, the lower end of the ceramic shell 11 is in threaded connection with the upper end of the lower cover 19, a wiring terminal 13 is arranged on the upper side face of the upper cover 12, an upper connecting piece 14 is arranged in the upper cover 12, the wiring terminal 13 is electrically connected with the upper connecting piece 14, a grounding terminal 20 is arranged in the lower cover 19, an inner space 15 is arranged in the ceramic shell 11, the grounding terminal 20 and the upper connecting piece 14 extend into the inner space 15, three supporting seats 16 are uniformly fixed in the inner space 15 from top to bottom in sequence, a ZnO valve plate 17 is arranged between two adjacent supporting seats 16, a gap block 18 is arranged between the upper ZnO valve plate 17, and an one-way membrane 24 is arranged between two adjacent supporting seats 16, an inner sleeve 23 is fixedly arranged on the inner side surface of the ceramic shell 11, an annular space is formed between the inner sleeve 23 and the one-way membrane 24, and a filling water absorption layer 25 is arranged in the annular space.

In addition, in an embodiment, the unidirectional film 24 is a waterproof and breathable film, the unidirectional film 24 is an annular structure, the inner diameter of the annular structure formed by the unidirectional film 24 is not smaller than the outer diameter of the ZnO valve sheet 17, and the size of the gap between the outer contour of the ZnO valve sheet 17 and the unidirectional film 24 is 2 cm, so that the unidirectional film 24 is prevented from being damaged by heat generated by the ZnO valve sheet 17 when current passes through the ZnO valve sheet 17.

In addition, in an embodiment, the inner sleeve 23 is a metal sleeve, a heating plate 22 is fixedly arranged on the outer side of the inner sleeve 23, the inner side wall of the inner sleeve 23 is in abutting contact with the water-absorbing filling layer 25, and the heating plate 22 can generate heat to volatilize water vapor absorbed in the water-absorbing filling layer 25 from the water-absorbing filling layer 25 and then pass through a discharging device.

In addition, in an embodiment, the left and right ends of the inner sleeve 23 are both fixedly provided with extending metal blocks 26, the extending metal blocks 26 on both sides extend into the outer space through the ceramic shell 11, the middle on the right side is provided with a through hole 27, the through hole 27 is communicated with the inner space 15, and when the temperature of the heating plate 22 rises to volatilize the water vapor absorbed in the water absorbing layer 25, the water vapor can be discharged through the through hole 27.

In addition, in an embodiment, a check valve 28 is disposed in the through hole 27, a sealing element 34 is disposed at the right end of the through hole 27, a fixing plate 31 is fixedly disposed at the right end of the sealing element 34, a thread sealing block 29 is disposed at the left end of the sealing element 34, an external thread is disposed on the thread sealing block 29, an internal thread is disposed at the right end of the through hole 27, the through hole 27 is in threaded connection with the thread sealing block 29, and the sealing element 34 can serve to close the through hole 27.

In addition, in an embodiment, the left end surface of the sealing element 34 is provided with a sealing ring 30, the sealing ring 30 is a rubber sealing ring, and when the thread sealing block 29 is screwed into the through hole 27, the sealing ring 30 closes a gap between the sealing element 34 and the through hole 27, thereby avoiding the situation that the inside and the outside environments are communicated, and avoiding the external moisture from entering the inner space 15.

In addition, in an embodiment, a monitoring space 32 is provided in the uppermost supporting seat 16, a humidity sensor 33 is provided in the monitoring space 32, an indicator 21 is fixedly provided on the right side surface of the upper cover 12, the indicator 21 is an intelligent indicator light, the indicator 21 is electrically connected to the monitoring space 32, the humidity sensor 33 can monitor the humidity inside the internal space 15, when the device is in use, the humidity inside the internal space 15 inevitably rises, the water-absorbent filling layer 25 can continuously absorb the moisture in the internal space 15, once the moisture absorbed by the water-absorbent filling layer 25 is saturated, the humidity inside the internal space 15 rises, and at this time, the humidity sensor 33 can monitor the humidity inside the internal space 15, and the change of the color of the humidity sensor 33 can indicate the humidity inside the internal space 15, thereby facilitating the overhaul of maintainers.

In specific implementation, when the device is used, the humidity in the internal space 15 inevitably rises, the filling water absorption layer 25 can continuously absorb the moisture in the internal space 15, once the moisture absorbed by the filling water absorption layer 25 is saturated, the humidity in the internal space 15 rises, at the moment, the humidity sensor 33 can monitor the humidity in the internal space 15, and simultaneously the humidity in the internal space 15 is indicated through the color change of the humidity sensor 33, so that the overhaul personnel can conveniently overhaul, the moisture enters the device or the humidity in the internal space 15 inevitably rises after thunderstorm weather, the moisture can be contacted with the filling water absorption layer 25 through the one-way membrane 24, because of the material of the extension metal block 26, the temperature is lower relative to the internal space 15, the moisture can be condensed into water beads to be absorbed by the filling water absorption layer 25, the water molecules can not smoothly separate from the water beads to permeate to the other side due to the property of the one-way membrane 24, that is, the occurrence of water permeation is prevented, so that the one-way film 24 has a waterproof function, when the indicator light of the indicator 21 indicates that the humidity in the internal space 15 is high, the maintainer can manually unscrew the sealing element 34 to connect the through hole 27 with the outside, and the starting device raises the temperature of the heating plate 22, the heat is transferred to the filling water-absorbing layer 25 through the inner sleeve 23, the water absorbed by the filling water-absorbing layer 25 begins to volatilize, so that the pressure in the internal space 15 rises, at this time, the one-way valve 28 is opened, the water vapor is discharged out of the device through the through hole 27, after the discharge of the internal water vapor is completed, the heating plate 22 is closed, after the thread sealing block 29 is screwed into the through hole 27 again, the sealing ring 30 seals the gap between the sealing element 34 and the through hole 27, the communication between the internal environment and the external environment is avoided, the external moisture is prevented from entering the internal space 15, and the filling water-absorbing layer 25 can absorb the water vapor remaining in the internal space 15 again, the water-absorbent layer 25 is in an unsaturated state, and the internal space 15 can be kept at a low humidity state for a long time.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.

Claims

1. High protection intelligence lightning protection device, including ceramic casing (11), upper cover (12) and lower cover (19), the upper end of ceramic casing (11) with the lower extreme threaded connection of upper cover (12), the lower extreme of ceramic casing (11) with the upper end threaded connection of lower cover (19), the side of going up of upper cover (12) is equipped with binding post (13), be equipped with in upper cover (12) connecting piece (14), binding post (13) with last connecting piece (14) electricity is connected, be equipped with ground terminal (20) in lower cover (19), be equipped with inner space (15) in ceramic casing (11), ground terminal (20) with last connecting piece (14) extend to in inner space (15), its characterized in that: interior space (15) are equipped with three supporting seat (16), adjacent two from last even fixed down being equipped with three supporting seat (16) down in proper order be equipped with ZnO valve block (17) between supporting seat (16), go up the downside be equipped with clearance piece (18) between ZnO valve block (17), adjacent two be equipped with one-way membrane (24) between supporting seat (16), the medial surface of ceramic package (11) is fixed and is equipped with inner skleeve (23), inner skleeve (23) with form an annular space between one-way membrane (24), be equipped with the packing among the annular space and absorb water layer (25).

2. The high-protection intelligent lightning protector according to claim 1, characterized in that: the one-way membrane (24) is a waterproof breathable film, the one-way membrane (24) is of an annular structure, the inner diameter of the annular structure formed by the one-way membrane (24) is not smaller than the outer diameter of the ZnO valve plate (17), and the size of a gap between the outer contour of the ZnO valve plate (17) and the one-way membrane (24) is 2 cm.

3. The high-protection intelligent lightning protector according to claim 1, characterized in that: the inner sleeve (23) is a metal sleeve, a heating plate (22) is fixedly arranged on the outer side of the inner sleeve (23), and the inner side wall of the inner sleeve (23) is in butt contact with the filling water absorption layer (25).

4. The high-protection intelligent lightning protector according to claim 3, characterized in that: both ends all are fixed to be equipped with about inner sleeve (23) and extend metal block (26), both sides extend metal block (26) all pass in ceramic casing (11) extend to the outer space, the right side in be equipped with through-hole (27), through-hole (27) with interior space (15) are linked together.

5. The high-protection intelligent lightning protector according to claim 4, characterized in that: be equipped with check valve (28) in through-hole (27), the right-hand member of through-hole (27) is equipped with sealing member (34), the fixed plate (31) that is equipped with of right-hand member of sealing member (34), the left end of sealing member (34) is equipped with thread sealing piece (29), thread sealing piece (29) is equipped with the external screw thread, the right-hand member of through-hole (27) is equipped with the internal thread, through-hole (27) with thread sealing piece (29) threaded connection.

6. The high-protection intelligent lightning protector according to claim 5, characterized in that: the left end face of the sealing element (34) is provided with a sealing ring (30), and the sealing ring (30) is a rubber sealing ring.

7. The high-protection intelligent lightning protector according to claim 1, characterized in that: the top be equipped with in supporting seat (16) and monitor space (32), be equipped with humidity transducer (33) in monitoring space (32), fixed indicator (21) that are equipped with of upper cover (12) right flank, indicator (21) are intelligent pilot lamp, indicator (21) with electric connection between monitoring space (32).