CN210156188U

CN210156188U - Gapless silicon rubber alternating current arrester

Info

Publication number: CN210156188U
Application number: CN201920872157.1U
Authority: CN
Inventors: 陈迪
Original assignee: Dalian Fafu'an Electric Appliances Co Ltd
Current assignee: Dalian Fafu'an Electric Appliances Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-03-17
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to an arrester technical field, concretely relates to zero clearance silicon rubber exchanges arrester, including zinc oxide arrester body and pylon cross arm, still include guard shield, insulating support, flexible solar cell panel, monitoring facilities box, temperature sensor and refrigeration piece, the guard shield passes through insulating support to be fixed directly over the zinc oxide arrester body, flexible solar cell panel pastes and fixes at the guard shield upper surface, the monitoring facilities box is fixed between zinc oxide arrester body and pylon cross arm, the monitoring facilities box internal fixation have charge controller, battery, singlechip and with singlechip electric connection current sensor and wireless communication module, temperature sensor and refrigeration piece all inlay and establish in the silicon rubber shell outside, the refrigeration piece passes through relay and singlechip electric connection. This arrester can remote monitoring arrester's temperature and leakage current, can cool down the arrester when the arrester high temperature, and is rain-proof dampproofing, long service life.

Description

Gapless silicon rubber alternating current arrester

Technical Field

The utility model relates to a lightning arrester technical field, concretely relates to zero clearance silicon rubber exchanges lightning arrester.

Background

The alternating-current gapless metal oxide lightning arrester is used for protecting the insulation of alternating-current power transmission and transformation equipment from being damaged by lightning overvoltage and operation overvoltage. The overvoltage protection circuit is suitable for overvoltage protection of transformers, transmission lines, distribution panels, switch cabinets, power metering boxes, vacuum switches, parallel compensation capacitors, rotating motors, semiconductor devices and the like.

The gapless silicon rubber arrester adopts silicon rubber to replace ceramic as a shell of a zinc oxide arrester, has the advantages of light weight and good pollution resistance, but the gapless zinc oxide arrester is not protected by gaps when in use, a zinc oxide resistance sheet is degraded under the action of power frequency voltage for a long time, so that the resistance characteristic is changed, the leakage current flowing through the zinc oxide resistance sheet is increased, the resistance component in the current is increased rapidly, the temperature on the zinc oxide resistance sheet is increased to cause thermal collapse, and explosion accidents of the arrester are caused seriously, so that operation and maintenance personnel are required to detect the arrester regularly, the arrester is frequently arranged on a transmission tower or an iron tower, great inconvenience is brought to the detection of operation and maintenance personnel, and the existing arrester has the condition of water seepage from the top of the arrester due to sealing in the use process, so that the zinc oxide resistance sheet is affected with damp, the aging is aggravated, and the service life of the gapless zinc oxide arrester is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that above-mentioned exists, designed a zero clearance silicon rubber alternating current arrester, this arrester can the temperature of remote monitoring arrester and leakage current, can cool down the arrester when the arrester high temperature, and rain-proof moisture resistance is good, long service life.

In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:

a gapless silicon rubber alternating current arrester comprises a zinc oxide arrester body and a tower cross arm, wherein the zinc oxide arrester body comprises an insulating sleeve, a zinc oxide resistor disc, a grounding stud, a silicon rubber shell and a fastening nut, the zinc oxide resistor disc is fixed inside the insulating sleeve in a laminating mode, the grounding stud is fixed at the lower end of the insulating sleeve and is electrically connected with the zinc oxide resistor disc, the silicon rubber shell wraps the outer side of the insulating sleeve, the fastening nut is screwed on the grounding stud, the arrester body is vertically fixed on the tower cross arm through the grounding stud and the fastening nut, the gapless silicon rubber alternating current arrester further comprises a protective cover, an insulating support, a flexible solar cell panel, a monitoring equipment box, a temperature sensor and a refrigerating disc, the protective cover is fixed right above the zinc oxide arrester body through the insulating support, the projection area of the protective cover on the horizontal plane is larger than that of the zinc oxide arrester body on, the utility model discloses a solar energy battery, including zinc oxide arrester body, pylon cross arm, monitoring facilities box, current sensor cover, temperature sensor and refrigeration piece, the monitoring facilities box is fixed between zinc oxide arrester body and pylon cross arm, the inside cavity of monitoring facilities box, both ends set up the through-hole that supplies the ground connection double-screw bolt to pass about the monitoring facilities box, the monitoring facilities box internal fixation have charge controller, battery, singlechip and with singlechip electric connection current sensor and wireless communication module, the current sensor cover is established in the ground connection double-screw bolt outside, temperature sensor and refrigeration piece all inlay and establish in the silicon rubber shell outside, temperature sensor and singlechip electric connection, the refrigeration piece passes through relay and singlechip electric connection, flexible solar cell panel, charge controller and battery be electric connection in proper order, the battery provides the power for singlechip, temperature sensor, relay.

Furthermore, insulating support includes staple bolt and L type bracing piece, L type bracing piece include horizontal segment and with horizontal segment integrated into one piece's vertical section, the staple bolt is fixed in the zinc oxide arrester body outside, the horizontal segment and the staple bolt fixed connection of L type bracing piece, the vertical section upper end and the guard shield fixed connection of L type bracing piece.

Furthermore, the upper surface of the shield is a conical surface, and the thickness of the cross section of the shield is gradually reduced from the center to the edge.

Furthermore, sealing rubber gaskets are arranged between the monitoring equipment box and the zinc oxide arrester body and between the monitoring equipment box and the tower cross arm.

Furthermore, the monitoring equipment box is made of phenolic plastics.

Furthermore, the monitoring device further comprises a GPS positioning module which is fixed in the monitoring device box and electrically connected with the single chip microcomputer.

Further, the current sensor adopts a PAS-ZLB alternating current leakage current sensor; the refrigerating piece adopts a TEC1-12705 type semiconductor refrigerating piece; the single chip microcomputer adopts an STC90C516 single chip microcomputer; the temperature sensor is a PT100 surface mount type temperature sensor; the wireless communication module is a 3G, 4G, lora or Bluetooth module.

The utility model has the advantages that: the lightning arrester can remotely monitor the temperature and the leakage current of the zinc oxide lightning arrester body, and remotely transmit the temperature and leakage current data to a mobile terminal of an operation and maintenance worker through a wireless communication module, so that field detection is not needed, and the workload is reduced; the refrigeration piece is embedded outside the silicon rubber shell, so that the zinc oxide lightning arrester body can be cooled when the temperature is too high, and the internal zinc oxide resistance piece is prevented from overheating and accelerating aging or thermal collapse; the zinc oxide arrester body can be prevented from water seepage and moisture by arranging the protective cover, so that the service life is prolonged; the flexible solar cell panel is used for providing power for the monitoring component, an external power supply is not needed, and energy is saved; the flexible solar cell panel is adhered and fixed on the upper surface of the protective cover, can reflect light in the sun, plays a role of repelling birds, and prevents birds from nesting on the cross arm of the tower frame to influence the safety of the power transmission line; the GPS positioning module can accurately position the lightning arrester, and operation and maintenance personnel can maintain the failed lightning arrester conveniently.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the insulating support of the present invention;

fig. 3 is a schematic structural diagram of the monitoring device box of the present invention;

fig. 4 is a monitoring schematic block diagram of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

the solar cooling tower comprises a silicon rubber shell, 11-an insulating sleeve, 12-a zinc oxide resistance sheet, 13-a grounding stud, 14-a fastening nut, 2-a tower cross arm, 3-a shield, 4-a hoop, 41-an L-shaped support rod, 5-a flexible solar cell panel, 6-a monitoring equipment box, 61-a through hole, 7-a temperature sensor and 8-a refrigerating sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a gapless silicon rubber ac arrester comprises a zinc oxide arrester body and a tower cross arm 2, the zinc oxide lightning arrester body comprises an insulating sleeve 11, a zinc oxide resistance card 12 which is fixed in the insulating sleeve 11 in a laminating way, a grounding stud 13 which is fixed at the lower end of the insulating sleeve 11 and is electrically connected with the zinc oxide resistance card 12, a silicon rubber shell 1 which is wrapped at the outer side of the insulating sleeve 11 and a fastening nut 14 which is screwed on the grounding stud 13, the lightning arrester body is vertically fixed on the tower cross arm 2 through a grounding stud 13 and a fastening nut 14, and also comprises a shield 3, an insulating support, a flexible solar panel 5, a monitoring equipment box 6, a temperature sensor 7 and a refrigerating sheet 8, the refrigeration piece 8 is a TEC1-12705 type semiconductor refrigeration piece, and the temperature sensor 7 is a PT100 patch type temperature sensor;

the shield 3 is fixed right above the zinc oxide arrester body through an insulating support, the projection area of the shield 3 on the horizontal plane is larger than that of the zinc oxide arrester body, wherein the upper surface of the shield 3 is a conical surface, the thickness of the cross section of the shield 3 is gradually reduced from the center to the edge, and the flexible solar cell panel 5 is fixedly adhered to the upper surface of the shield 3;

the monitoring device box 6 is fixed between the zinc oxide arrester body and the tower cross arm 2, the monitoring device box 6 is hollow, through holes 61 for the grounding stud 13 to PASs through are formed in the upper end and the lower end of the monitoring device box 6, sealing rubber gaskets are respectively arranged between the monitoring device box 6 and the zinc oxide arrester body and between the monitoring device box 6 and the tower cross arm 2 to prevent rainwater or dust from entering the monitoring device box 6 through the through holes 61, a charging controller, a storage battery, a single chip microcomputer, a current sensor and a wireless communication module are fixed in the monitoring device box 6, the current sensor and the wireless communication module are electrically connected with the single chip microcomputer, the single chip microcomputer adopts an STC90C516 single chip microcomputer, the current sensor adopts a PAS-ZLB alternating current leakage sensor, the wireless communication module is a 3G, 4G, lora or a Bluetooth module, the current sensor is sleeved outside the grounding stud 13, the temperature sensor 7 and the refrigeration piece 8 are both embedded outside the silicon rubber shell, the temperature sensor 7 is electrically connected with the single chip microcomputer, the refrigerating plate 8 is electrically connected with the single chip microcomputer through a relay, the flexible solar cell panel 5, the charging controller and the storage battery are electrically connected in sequence, and the storage battery provides a power supply for the single chip microcomputer, the temperature sensor, the relay and the wireless communication module.

Wherein, insulating support includes staple bolt 4 and L type bracing piece 41, L type bracing piece 41 include the horizontal segment and with horizontal segment integrated into one piece's vertical section, staple bolt 4 is fixed in the zinc oxide arrester body outside, L type bracing piece 41's horizontal segment and staple bolt 4 fixed connection, L type bracing piece 41's vertical section upper end and guard shield 3 fixed connection.

Wherein, the monitoring equipment box 6 is made of phenolic plastics.

Wherein, still include GPS orientation module, GPS orientation module fix in monitoring facilities box 6 and with singlechip electric connection, be convenient for carry out accurate positioning to the arrester through setting up GPS orientation module.

One specific application of this embodiment is: when the lightning arrester is used, the lightning arrester is correctly installed on a tower cross arm 2 of a transmission tower or a transmission tower, a wiring terminal at the upper end of a zinc oxide lightning arrester body is connected with a transmission line through an insulating line, a grounding stud 13 is grounded through conduction, a current sensor can detect leakage current flowing through the grounding stud 13 in the use process, a temperature sensor 7 can detect the temperature of the zinc oxide lightning arrester body, the leakage current and temperature data can be remotely transmitted to operation and maintenance personnel through a wireless communication module without on-site detection, the work load is reduced, a GPS positioning module can accurately position the lightning arrester, the operation and maintenance personnel can conveniently maintain the failed lightning arrester, when the temperature rises due to the heating of a zinc oxide resistance chip 12, a single chip microcomputer can start a refrigeration chip 8 to cool the zinc oxide lightning arrester body, and the phenomenon that the internal zinc oxide resistance chip 12 is overheated, accelerated in aging or thermally crashed is avoided, the guard shield 3 of zinc oxide arrester body top can prevent that zinc oxide arrester body infiltration from weing, increase of service life, and flexible solar cell panel 5 provides the power for monitoring components and parts, does not receive the external power source restriction, and long-term stable work, flexible solar cell panel 5 are pasted and are fixed at 3 upper surfaces of guard shield, can reflect light under the sunshine, play the effect that tends to catch up birds, prevent that birds from nesting on the pylon cross arm and influence transmission line safety.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.

Claims

1. The utility model provides a zero clearance silicon rubber alternating current arrester, includes zinc oxide arrester body and pylon cross arm, zinc oxide arrester body includes insulating sleeve, range upon range of zinc oxide resistance card of fixing inside insulating sleeve, fixes at the insulating sleeve lower extreme and the ground connection double-screw bolt of being connected with zinc oxide resistance card electricity, wraps up at the silicon rubber shell and the fastening nut of spiro union on the ground connection double-screw bolt in the insulating sleeve outside, the arrester body passes through the vertical fixing of ground connection double-screw bolt and fastening nut on the pylon cross arm, its characterized in that: the solar energy monitoring device comprises a zinc oxide arrester body, and is characterized by further comprising a protective cover, an insulating support, a flexible solar cell panel, a monitoring device box, a temperature sensor and a refrigerating piece, wherein the protective cover is fixed right above the zinc oxide arrester body through the insulating support, the projection area of the protective cover on the horizontal plane is larger than that of the zinc oxide arrester body on the horizontal plane, the flexible solar cell panel is fixedly adhered to the upper surface of the protective cover, the monitoring device box is fixed between the zinc oxide arrester body and a tower cross arm, the monitoring device box is hollow, through holes for a grounding stud to pass through are formed in the upper end and the lower end of the monitoring device box, a charging controller, a storage battery, a single chip microcomputer, a current sensor and a wireless communication module are fixed in the monitoring device box, the current sensor is sleeved outside the grounding stud, and the temperature sensor and the refrigerating piece are, the temperature sensor is electrically connected with the single chip microcomputer, the refrigerating piece is electrically connected with the single chip microcomputer through the relay, the flexible solar cell panel, the charging controller and the storage battery are electrically connected in sequence, and the storage battery provides a power supply for the single chip microcomputer, the temperature sensor, the relay and the wireless communication module.

2. The gapless silicone rubber alternating current arrester of claim 1, wherein: the insulating support comprises a hoop and an L-shaped supporting rod, the L-shaped supporting rod comprises a horizontal section and a vertical section integrally formed with the horizontal section, the hoop is fixed on the outer side of the zinc oxide arrester body, the horizontal section of the L-shaped supporting rod is fixedly connected with the hoop, and the upper end of the vertical section of the L-shaped supporting rod is fixedly connected with the protective cover.

3. The gapless silicone rubber alternating current arrester of claim 1, wherein: the upper surface of the shield is a conical surface, and the thickness of the cross section of the shield is gradually reduced from the center to the edge.

4. The gapless silicone rubber alternating current arrester of claim 1, wherein: and sealing rubber gaskets are arranged between the monitoring equipment box and the zinc oxide arrester body and between the monitoring equipment box and the tower cross arm.

5. The gapless silicone rubber alternating current arrester of claim 1, wherein: the monitoring equipment box is made of phenolic plastics.

6. The gapless silicone rubber alternating current arrester of claim 1, wherein: the monitoring device is characterized by further comprising a GPS positioning module, wherein the GPS positioning module is fixed in the monitoring device box and electrically connected with the single chip microcomputer.