CN108922704B - Metal oxide arrester with heat dissipation function - Google Patents
Metal oxide arrester with heat dissipation function Download PDFInfo
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- CN108922704B CN108922704B CN201810856708.5A CN201810856708A CN108922704B CN 108922704 B CN108922704 B CN 108922704B CN 201810856708 A CN201810856708 A CN 201810856708A CN 108922704 B CN108922704 B CN 108922704B
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- heat dissipation
- metal oxide
- fixedly connected
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- oxide arrester
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/08—Cooling, heating or ventilating arrangements
- H01C1/084—Cooling, heating or ventilating arrangements using self-cooling, e.g. fins, heat sinks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a metal oxide lightning arrester with a heat dissipation function, which comprises a shell, wherein hollow insulating cylinders are fixedly connected to two sides of the inner wall of the shell, and first heat dissipation devices are fixedly connected to the top and the bottom of the shell. This metal oxide arrester with heat dissipation function, can realize the quick heat dissipation to metal oxide arrester, the heat can not effectively give off in having avoided metal oxide arrester use, the condition that will arouse the thermal destruction of metal oxide arrester to take place when the temperature exceeds a certain limit value for a long time, fine protection to metal oxide arrester, the life of metal oxide arrester has been prolonged, can be quick convenient dismantle the heating panel, be convenient for like this change the heating panel, the burden that the staff changed has been alleviateed, better assurance the heat dissipation in the metal oxide arrester use.
Description
Technical Field
The invention relates to the technical field of metal oxide arresters, in particular to a metal oxide arrester with a heat dissipation function.
Background
Another important device often used when lightning arrester communication cable prevents lightning damage, the lightning arrester is sometimes called overvoltage protector and overvoltage limiter, the lightning arrester is connected between the cable and the ground, usually in parallel with the protected device, the lightning arrester can effectively protect the communication device, once abnormal voltage appears, the lightning arrester will act to play a role of protection, when the communication cable or device operates under normal working voltage, the lightning arrester will not act, and is regarded as open circuit to the ground, once high voltage appears, and the protected device is endangered to be insulated, the lightning arrester acts immediately, high voltage impact current is guided to the ground, thereby limiting voltage amplitude, protecting the communication cable and device from being insulated, when overvoltage disappears, the lightning arrester recovers quickly to the original state, making the communication line operate normally, therefore the main function of the lightning arrester is through parallel discharge gap or non-linear resistor, the lightning arrester is used for not only protecting high voltage generated by lightning, but also protecting high operating voltage.
The lightning arresters are divided into a plurality of types, including metal oxide lightning arresters, line type metal oxide lightning arresters, gapless line type metal oxide lightning arresters, all-insulation composite sheathed metal oxide lightning arresters and detachable lightning arresters, wherein the main types of the lightning arresters include pipe type lightning arresters, valve type lightning arresters, zinc oxide lightning arresters and the like, the main working principle of each type of lightning arrester is different, but the main working principles of the lightning arresters are the same and are all used for protecting communication cables and communication equipment from being damaged, the alternating current gapless metal oxide lightning arrester has excellent nonlinear volt-ampere characteristics, and has the characteristics of good response characteristic, no follow current, large through-current capacity, low residual voltage, strong overvoltage suppression capability, pollution resistance, ageing resistance, no altitude constraint, simple structure, no gap, sealing, long service life and the like.
The metal oxide lightning arrester is widely used and plays an important role, but the existing metal oxide lightning arrester bears power frequency voltage for a long time in the using process and also intermittently bears transient overvoltage such as power frequency overvoltage, lightning overvoltage, operation overvoltage and the like, so that the temperature of the internal zinc oxide resistance chip is easily increased, heat cannot be effectively dissipated, and the metal oxide lightning arrester is thermally damaged when the temperature exceeds a certain limit value for a long time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a metal oxide lightning arrester with a heat dissipation function, and solves the problems that the heat cannot be effectively dissipated in the use process of the existing metal oxide lightning arrester, and the metal oxide lightning arrester is easily thermally damaged due to the rise of the internal temperature of the metal oxide lightning arrester.
In order to achieve the purpose, the invention is realized by the following technical scheme: a metal oxide arrester with a heat dissipation function comprises a shell, wherein hollow insulating cylinders are fixedly connected to two sides of the inner wall of the shell, first heat dissipation devices are fixedly connected to the top and the bottom of the shell, each first heat dissipation device comprises a first fixing plate, the number of the first fixing plates is four, one side of each first fixing plate is fixedly connected with a fixing block, a first heat dissipation plate is fixedly connected between opposite sides of the two fixing blocks, the tops of the two first fixing plates are fixedly connected with second heat dissipation plates, fixing grooves are formed in the shell, the number of the fixing grooves is four, clamping grooves are formed in the tops of the inner walls of the fixing grooves, second heat dissipation devices are movably connected inside the clamping grooves, each second heat dissipation device comprises a clamping plate, the bottom of the clamping plate is fixedly connected with a third heat dissipation plate, and one side of the inner wall of the third heat dissipation plate is fixedly connected with a convex, and the louvre has all been seted up to the top and the bottom of third heating panel, the bottom fixedly connected with connecting plate of third heating panel, the bottom fixedly connected with dismounting device of fixed slot one side, dismounting device includes first slide rail, the surface sliding connection of first slide rail has the slider, fixedly connected with elastic component between the bottom of slider and the bottom of fixed slot inner wall, the chucking groove has been seted up to one side of slider, the bottom fixedly connected with riser of fixed slot inner wall to the bottom of fixed slot inner wall just is located one side fixedly connected with second slide rail of riser, the surface sliding connection of second slide rail has the sliding block to one side fixedly connected with vertical retort at sliding block top.
Preferably, one side fixedly connected with fixture block of riser, fixedly connected with electric telescopic handle between the sliding block and the relative one side of riser.
Preferably, the first heat dissipation plate is S-shaped, and a conductive column is fixedly connected between opposite sides of the two first heat dissipation plates.
Preferably, the second heat dissipation plate is arc-shaped, and the clamping groove is matched with the clamping plate.
Preferably, the number of the shells is two, the two shells are both in a semi-elliptical shape, and the two shells are movably connected.
Preferably, the third heat dissipation plate is U-shaped, and the clamping groove is matched with the clamping block.
Preferably, the number of the heat dissipation holes and the number of the bumps are a plurality, and a gap is formed between the inner wall of the hollow insulating cylinder and the outer surface of the conductive column.
Preferably, one side of the bottom of the connecting plate is in contact with the top of the sliding block, and through holes matched with the heat dissipation holes are formed in the connecting plate and the clamping plate.
Advantageous effects
The invention provides a metal oxide lightning arrester with a heat dissipation function. The method has the following beneficial effects:
(1) this metallic oxide arrester with heat dissipation function, through being provided with first heating panel, second heating panel and third heating panel, the shape of first heating panel is the S-shaped, the shape of second heating panel is the arc, the shape of third heating panel is the U-shaped, like this can the thermal area of contact of increase of not equidimension, the setting of rethread louvre and lug, can realize the quick heat dissipation to the metallic oxide arrester like this, the heat can not effectively distribute in having avoided the metallic oxide arrester use, the condition that will arouse the thermal destruction of metallic oxide arrester to take place when the temperature exceedes a certain extreme value for a long time, fine protection has been carried out to the metallic oxide arrester, the life of metallic oxide arrester has been prolonged.
(2) This metallic oxide arrester with heat dissipation function, through making electric telescopic handle's shortening, drive the slip of sliding block, drive the removal of riser block and fixture block, make the fixture block break away from with the inside chucking groove of slider, the slider removes under the spring action of elastic component, drive the removal of connecting plate, like this can be quick convenient dismantle the third heating panel, be convenient for change the third heating panel, the burden that the staff changed has been alleviateed, the better heat dissipation of having guaranteed in the metallic oxide arrester use.
(3) This metal oxide arrester with heat dissipation function, through the louvre on the third heating panel and the setting of lug, the louvre can make the heat faster effectively give off from metal oxide arrester is inside, and the setting of lug can increase the heat and give off the area of contact of in-process, reaches quick radiating effect more.
(4) This metal oxide arrester with heat dissipation function through being provided with first heating panel, second heating panel and third heating panel, can make the inside heat of metal oxide arrester effectively give off from the equidirectional not like this for the inside thermal giving off of metal oxide arrester, the better use of having guaranteed the metal oxide arrester.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the present invention at B of FIG. 2;
fig. 4 is a side view of the housing structure of the present invention.
In the figure: the heat dissipation device comprises a shell 1, a hollow insulating cylinder 2, a first heat dissipation device 3, a first fixing plate 31, a fixed block 32, a first heat dissipation plate 33, a second heat dissipation plate 34, a fixing groove 4, a clamping groove 5, a second heat dissipation device 6, a clamping plate 61, a third heat dissipation plate 62, a protruding block 63, a heat dissipation hole 64, a connecting plate 65, a dismounting device 7, a first sliding rail 71, a sliding block 72, an elastic part 73, a clamping groove 74, a vertical plate 8, a second sliding rail 9, a sliding block 10, a vertical block 11, a clamping block 12, an electric telescopic rod 13, a conductive column 14 and a gap 15.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a metal oxide lightning arrester with a heat dissipation function comprises a shell 1, wherein a power switch is arranged on the outer surface of the shell 1, the power switch controls the work of an electric telescopic rod 13, the number of the shells 1 is two, the shapes of the two shells 1 are semi-elliptical, the two shells 1 are movably connected, the replacement of a third heat dissipation plate 62 can be realized by separating the two shells 1, hollow insulating cylinders 2 are fixedly connected to two sides of the inner wall of the shell 1, first heat dissipation devices 3 are fixedly connected to the top and the bottom of the shell 1, each first heat dissipation device 3 comprises a first fixing plate 31, the number of the first fixing plates 31 is four, fixing blocks 32 are fixedly connected to one sides of the two first fixing plates 31, a first heat dissipation plate 33 is fixedly connected between the opposite sides of the two fixing blocks 32, the shape of the first heat dissipation plate 33 is S-shaped, the contact area between the first heat dissipation plate 33 and heat in the heat dissipation process is increased, the heat dissipation in the metal oxide arrester is accelerated, the heat in the metal oxide arrester can be effectively dissipated from different directions through the matching arrangement of the first heat dissipation plate 33, the second heat dissipation plate 34 and the third heat dissipation plate 62, the heat dissipation in the metal oxide arrester is accelerated, the use of the metal oxide arrester is better ensured, in addition, a conductive column 14 is fixedly connected between the opposite sides of the two first heat dissipation plates 33, the conductive column 14 consists of a zinc oxide resistor sheet and a metal conductor, the second heat dissipation plate 34 is fixedly connected at the tops of the two first fixing plates 31, the second heat dissipation plate 34 is in an arc shape, the contact area of the second heat dissipation plate 34 and the heat in the heat dissipation process is increased, the heat dissipation in the metal oxide arrester is accelerated, the clamping groove 5 is matched with the clamping plate 61, the fixing groove 4 is formed in the shell 1, the number of the fixed grooves 4 is four, the top of the inner wall of the fixed groove 4 is provided with a clamping groove 5, the inside of the clamping groove 5 is movably connected with a second heat dissipation device 6, the second heat dissipation device 6 comprises a clamping plate 61, the third heat dissipation plate 62 can be further clamped through the clamping of the clamping plate 61 and the clamping groove 5, the heat dissipation of the inside of the metal oxide arrester by the third heat dissipation plate 62 is better ensured, the bottom of the clamping plate 61 is fixedly connected with the third heat dissipation plate 62, the shape of the third heat dissipation plate 62 is U-shaped, the contact area of the third heat dissipation plate 62 and heat in the heat dissipation process is increased, the heat dissipation of the inside of the metal oxide arrester is accelerated, the clamping groove 74 is matched with the clamping block 12, one side of the inner wall of the third heat dissipation plate 62 is fixedly connected with a lug 63, the contact area in the heat dissipation process can be increased through the arrangement, and the top and bottom of the third heat dissipation plate 62 are both provided with a plurality of heat dissipation holes 64, the number of the heat dissipation holes 64 and the number of the bumps 63 are both a plurality, which ensures that the heat dissipation inside the metal oxide arrester is quicker and more sufficient, a gap 15 is arranged between the inner wall of the hollow insulating cylinder 2 and the outer surface of the conductive post 14, the gap 15 is filled with insulating gas or insulating liquid, the heat conduction and diffusion can be accelerated by the fluidity of the fluid, so that the heat dissipation inside the metal oxide arrester is quicker, the bottom of the third heat dissipation plate 62 is fixedly connected with a connecting plate 65, one side of the bottom of the connecting plate 65 is contacted with the top of the sliding block 72, the connecting plate 65 and the inside of the clamping plate 61 are both provided with through holes matched with the heat dissipation holes 64, the through holes and the heat dissipation holes 64 are in the same vertical, the bottom of one side of the fixed groove 4 is fixedly connected with a dismounting device 7, the dismounting device 7 comprises a first slide rail 71, the outer surface of the first slide rail 71 is connected with a slide block 72 in a sliding manner, an elastic part 73 is fixedly connected between the bottom of the slide block 72 and the bottom of the inner wall of the fixed groove 4, one side of the slide block 72 is provided with a clamping groove 74, the bottom of the inner wall of the fixed groove 4 is fixedly connected with a vertical plate 8, the bottom of the inner wall of the fixed groove 4 and one side of the vertical plate 8 are fixedly connected with a second slide rail 9, the outer surface of the second slide rail 9 is connected with a slide block 10 in a sliding manner, one side of the top of the slide block 10 is fixedly connected with a vertical block 11, one side of the vertical block 11 is fixedly connected with a clamping block 12, the slide block 72 can be clamped through the clamping of, through making electric telescopic handle 13 work, electric telescopic handle 13 shortens, drive the slip of sliding block 10, drive the removal of riser 11 and fixture block 12, make fixture block 12 break away from with the inside chucking groove 74 of slider 72, slider 72 moves under the spring action of elastic component 73, drive the removal of connecting plate 65, then separate two shells 1, can be convenient fast like this dismantle third heating panel 62, be convenient for change third heating panel 62, the burden that the staff changed has been alleviateed, better assurance the heat dissipation in the metal oxide arrester use.
When the metal oxide arrester is used, the first heat dissipation plate 33, the second heat dissipation plate 34 and the third heat dissipation plate 62 are arranged, the first heat dissipation plate 33 is S-shaped, the second heat dissipation plate 34 is arc-shaped, and the third heat dissipation plate 62 is U-shaped, so that the contact area of heat can be increased to different degrees, the metal oxide arrester can be quickly dissipated, the situation that the heat cannot be effectively dissipated in the use process of the metal oxide arrester is avoided, the metal oxide arrester is thermally damaged when the temperature exceeds a certain limit value for a long time, the metal oxide arrester is well protected, the service life of the metal oxide arrester is prolonged, the sliding block 13 is shortened by enabling the electric telescopic rod 13 to work, the sliding block 10 is driven to slide, the vertical block 11 and the clamping block 12 are driven to move, and the clamping block 12 is separated from the clamping groove 74 inside the sliding block 72, slider 72 removes under the spring action of elastic component 73, drive the removal of connecting plate 65, then separate two shells 1, so can be fast convenient dismantle third heating panel 62, be convenient for change third heating panel 62, the burden that the staff changed has been alleviateed, better assurance the heat dissipation in the metal oxide arrester use, through the setting of louvre 64 and lug 63 on third heating panel 62, louvre 64 can make the heat faster effectively give off from metal oxide arrester inside, lug 63's setting can increase the heat and give off the area of contact of in-process, reach quick radiating effect more.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a metal oxide arrester with heat dissipation function, includes shell (1), its characterized in that: the heat dissipation device comprises a shell (1), wherein hollow insulating cylinders (2) are fixedly connected to two sides of the inner wall of the shell (1), first heat dissipation devices (3) are fixedly connected to the top and the bottom of the shell (1), each first heat dissipation device (3) comprises a first fixing plate (31), the number of the first fixing plates (31) is four, fixing blocks (32) are fixedly connected to one side of each of the two first fixing plates (31), a first heat dissipation plate (33) is fixedly connected between the opposite sides of the two fixing blocks (32), a second heat dissipation plate (34) is fixedly connected to the tops of the two first fixing plates (31), fixing grooves (4) are formed in the shell (1), the number of the fixing grooves (4) is four, clamping grooves (5) are formed in the tops of the inner walls of the fixing grooves (4), and second heat dissipation devices (6) are movably connected to the interiors of the clamping grooves, the second heat dissipation device (6) comprises a clamping plate (61), a third heat dissipation plate (62) is fixedly connected to the bottom of the clamping plate (61), a convex block (63) is fixedly connected to one side of the inner wall of the third heat dissipation plate (62), heat dissipation holes (64) are formed in the top and the bottom of the third heat dissipation plate (62), a connecting plate (65) is fixedly connected to the bottom of the third heat dissipation plate (62), a dismounting device (7) is fixedly connected to the bottom of one side of the fixing groove (4), the dismounting device (7) comprises a first sliding rail (71), a sliding block (72) is slidably connected to the outer surface of the first sliding rail (71), an elastic piece (73) is fixedly connected between the bottom of the sliding block (72) and the bottom of the inner wall of the fixing groove (4), a clamping groove (74) is formed in one side of the sliding block (72), and a vertical plate (8), and the bottom of fixed slot (4) inner wall just is located one side fixedly connected with second slide rail (9) of riser (8), the surface sliding connection of second slide rail (9) has sliding block (10) to one side fixedly connected with riser (11) at sliding block (10) top.
2. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: one side fixedly connected with fixture block (12) of riser (11), fixedly connected with electric telescopic handle (13) between one side that sliding block (10) and riser (8) are relative, chucking groove (74) and fixture block (12) looks adaptation.
3. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: the shape of the first heat dissipation plate (33) is S-shaped, a conductive column (14) is fixedly connected between the opposite sides of the two first heat dissipation plates (33), and a gap (15) is formed between the inner wall of the hollow insulating cylinder (2) and the outer surface of the conductive column (14).
4. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: the second heat dissipation plate (34) is arc-shaped, and the clamping groove (5) is matched with the clamping plate (61).
5. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: the number of the shells (1) is two, the two shells (1) are both in a semi-elliptical shape, and the two shells (1) are movably connected.
6. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: the third heat dissipation plate (62) has a U-shape.
7. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: the number of the heat dissipation holes (64) and the number of the bumps (63) are respectively a plurality.
8. The metal oxide arrester with the heat dissipation function according to claim 1, characterized in that: one side of connecting plate (65) bottom contacts with the top of slider (72), the inside of connecting plate (65) and cardboard (61) all is provided with the through-hole with louvre (64) looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856708.5A CN108922704B (en) | 2018-07-31 | 2018-07-31 | Metal oxide arrester with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810856708.5A CN108922704B (en) | 2018-07-31 | 2018-07-31 | Metal oxide arrester with heat dissipation function |
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| Publication Number | Publication Date |
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| CN108922704A CN108922704A (en) | 2018-11-30 |
| CN108922704B true CN108922704B (en) | 2019-12-24 |
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| CN201810856708.5A Active CN108922704B (en) | 2018-07-31 | 2018-07-31 | Metal oxide arrester with heat dissipation function |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110021879A (en) * | 2019-05-21 | 2019-07-16 | 国家电网有限公司 | A kind of electric power tower arrester applied widely |
| CN110335740A (en) * | 2019-06-28 | 2019-10-15 | 马逍 | A kind of induction can eliminate the transformer tank of corona discharge and electron stream from energization |
| CN112420298B (en) * | 2020-09-15 | 2022-04-01 | 国网浙江省电力有限公司湖州供电公司 | Lightning arrester with strong heat dissipation performance for power transmission line |
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| JPH06275156A (en) * | 1993-03-18 | 1994-09-30 | Ngk Insulators Ltd | Structure for installing electrode fitting in lighting-resisting horn |
| CN101521065A (en) * | 2008-02-29 | 2009-09-02 | 深圳市富诚高压电气有限公司 | Explosion-proof automatic-separation type lightning arrester |
| CN101877275A (en) * | 2010-07-16 | 2010-11-03 | 国网电力科学研究院 | Method for improving pollution flicker-resisting capability of DC voltage transformer |
| CN102568724A (en) * | 2010-12-13 | 2012-07-11 | 西安神电电器有限公司 | Movable heat radiation type lightning arrester |
| CN106158181A (en) * | 2016-08-29 | 2016-11-23 | 国网江苏省电力公司镇江供电公司 | Metal oxide arrester |
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2018
- 2018-07-31 CN CN201810856708.5A patent/CN108922704B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06275156A (en) * | 1993-03-18 | 1994-09-30 | Ngk Insulators Ltd | Structure for installing electrode fitting in lighting-resisting horn |
| CN101521065A (en) * | 2008-02-29 | 2009-09-02 | 深圳市富诚高压电气有限公司 | Explosion-proof automatic-separation type lightning arrester |
| CN101877275A (en) * | 2010-07-16 | 2010-11-03 | 国网电力科学研究院 | Method for improving pollution flicker-resisting capability of DC voltage transformer |
| CN102568724A (en) * | 2010-12-13 | 2012-07-11 | 西安神电电器有限公司 | Movable heat radiation type lightning arrester |
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| CN108922704A (en) | 2018-11-30 |
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