CN112259312A - Safe and reliable lightning protection surge protector - Google Patents
Safe and reliable lightning protection surge protector Download PDFInfo
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- CN112259312A CN112259312A CN202011129519.1A CN202011129519A CN112259312A CN 112259312 A CN112259312 A CN 112259312A CN 202011129519 A CN202011129519 A CN 202011129519A CN 112259312 A CN112259312 A CN 112259312A
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- thermal fuse
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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
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
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Abstract
The invention provides a safe and reliable lightning protection surge protector which comprises an insulating shell, a first electrode, a second electrode, a piezoresistor, a third electrode, a thermal fuse and connecting plates, wherein the insulating shell is provided with an inner cavity, one end of the first electrode and one end of the second electrode are both positioned in the inner cavity, one end of the piezoresistor is electrically connected with one end of the second electrode, one end of the third electrode is electrically connected with the other end of the piezoresistor, the side wall of the insulating shell is provided with an opening, the two connecting plates are arranged, one connecting plate is fixedly arranged between one end of the first electrode and the opening, the other connecting plate is fixedly arranged between the other end of the third electrode and the opening, and the opposite surfaces of the two connecting plates are respectively provided with a slideway for the thermal fuse to slide in and be clamped between the third electrode and the first electrode. The invention can solve the problem that the existing surge protector adopts a mechanical thermal tripping device and is easy to cause the failure of tripping, has simple structure and is convenient to install and maintain.
Description
Technical Field
The invention relates to the technical field of lightning protection, in particular to a safe and reliable surge protector.
Background
A surge protector, also called a lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines, is suitable for a power supply system with alternating current of 50/60HZ and rated voltage of 220V/380V, protects the influence of indirect lightning and direct lightning or other surges with instantaneous overvoltage, and is suitable for the requirements of surge protection in household residences, third production industry and industrial fields. When the peak current or the voltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided.
Most of the existing surge protectors adopt a mechanical thermal trip device, one end of a spring is welded and fixed with a piezoresistor in the surge protector through low temperature (100-120 ℃) and is always in a tensioned or compressed state. When the surge protector generates heat due to degradation, the tripping temperature (100℃) is reached
When the temperature is 120 ℃ below zero, the spring is separated from the fixed state, the piezoresistor is disconnected with the circuit, and the surge protector is broken to protect the electronic equipment. However, because the surge protector is under tension or compression for a long time, the surge protector spring is very easy to lose efficacy, and the problem that the surge protector cannot be released easily occurs, and the structure of the surge protector spring needs to be improved.
Disclosure of Invention
Based on this, in order to solve the problem that the existing surge protector adopts a mechanical thermal tripping device and is easy to cause non-tripping, the invention provides a safe and reliable surge protector, which has the following specific technical scheme:
the utility model provides a safe and reliable's surge protector, includes insulating casing, first electrode, second electrode and piezo-resistor, insulating casing is equipped with the inner chamber, the one end of first electrode and the one end of second electrode all is located in the inner chamber, piezo-resistor's one end with the one end electricity of second electrode is connected. Surge protector still includes third electrode, thermal link and connecting plate, the one end of third electrode with piezo-resistor's other end electricity is connected, the other end of third electrode is just right the one end of first electrode, insulating casing's lateral wall is equipped with the opening, the connecting plate is equipped with two, two the connecting plate is parallel to each other, one connecting plate fixed mounting in the one end of first electrode with between the opening, another connecting plate fixed mounting in the other end of third electrode with between the opening, two all be equipped with the slide on the opposite face of connecting plate for the thermal link slides in and the joint is in the other end of third electrode with between the one end of first electrode, the action temperature of thermal link is between 70 degrees to 240 degrees centigrade.
When the temperature of the surge protector exceeds the tolerance temperature due to component degradation or the fault of the piezoresistor, the thermal fuse body is melted, the third electrode is disconnected with the first electrode, and the surge protector is opened to protect an electronic device connected with the surge protector. The surge protector adopts the thermal fuse to replace a traditional mechanical thermal tripping device, can solve the problem that the traditional surge protector adopts the mechanical thermal tripping device and cannot trip easily, and has the characteristics of simple structure and convenience in installation and maintenance.
Furthermore, the other end of the third electrode and one end of the first electrode are both provided with notches matched with the thermal fuse link.
Further, surge protector still includes connecting rod, bimetallic strip and ejector pin, the connecting rod is equipped with two, two the connecting rod is parallel to each other, the one end of two connecting rods all with the breach is kept away from the lateral wall fixed connection of thermal link, two the other end of connecting rod respectively with the both ends fixed connection of bimetallic strip, the initiative level of bimetallic strip is located the passive layer of bimetallic strip with the breach is kept away from between the lateral wall of thermal link, the one end of ejector pin with the passive layer fixed connection of bimetallic strip.
Further, surge protector still includes insulating cartridge clip and coil spring, insulating cartridge clip one end opening one end is sealed, insulating cartridge clip fixed mounting is two just between the slide of connecting plate the open end orientation of insulating cartridge clip the inner chamber, the thermal link is equipped with many, many the side of thermal link all encircles and is equipped with insulating dog, coil spring's one end with the contact of inner wall bottom of insulating cartridge clip, one of them thermal link joint is two between the ejector pin, other the thermal link is installed coil spring's the other end with between the open end of insulating cartridge clip.
Further, one end of the first electrode penetrates through the side wall of the inner cavity and is located on the outer side of the insulating shell.
Further, one end of the second electrode penetrates through the side wall of the inner cavity and is located on the outer side of the insulating shell.
Further, the thermal fuse is made of a low melting point alloy.
Further, the insulating housing is made of an insulating ceramic material.
Further, both the connecting plates are made of insulating ceramic material.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
Fig. 1 is a schematic diagram showing the overall structure of a safe and reliable surge protector according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection plate of a safe and reliable surge protector according to an embodiment of the present invention;
fig. 3 is a side view of a housing of a safe and reliable surge protector in an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a structural relationship among a notch, an elastic metal sheet and a thermal fuse of a safe and reliable surge protector according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the overall structure of a safe and reliable surge protector according to an embodiment of the present invention;
fig. 6 is a schematic diagram of the structural relationship among the connecting rod, the bimetallic strip and the ejector rod of the safe and reliable surge protector in one embodiment of the invention;
fig. 7 is a schematic diagram of the overall structure of a safe and reliable surge protector according to an embodiment of the present invention.
Description of reference numerals:
1. an insulating housing; 2. a first electrode; 3. a second electrode; 4. a voltage dependent resistor; 5. an inner cavity; 6. a third electrode; 7. a thermal fuse; 8. a connecting plate; 9. a slideway; 10. a resilient metal sheet; 11. a notch; 12. an opening; 13. a connecting rod; 14. a bimetal; 15. a top rod; 16. an insulating cartridge clip; 17. a coil spring; 18. an insulating stop block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
The first embodiment is as follows:
as shown in fig. 1, a safe and reliable surge protector in an embodiment of the present invention includes an insulating housing 1, a first electrode 2, a second electrode 3, and a varistor 4, where the insulating housing 1 is provided with an inner cavity 5, one end of the first electrode 2 and one end of the second electrode 3 are both located in the inner cavity 5, and one end of the varistor 4 is electrically connected to one end of the second electrode 3. The other end of the first motor is electrically connected with a power live wire, and the other end of the second electrode 3 is grounded.
As shown in fig. 1, 2 and 3, the surge protector further includes a third electrode 6, a thermal fuse 7 and a connection plate 8, one end of the third electrode 6 is electrically connected with the other end of the piezoresistor 4, the other end of the third electrode 6 is opposite to one end of the first electrode 2, the lateral wall of insulating housing 1 is equipped with opening 12, connecting plate 8 is equipped with two, two connecting plate 8 is parallel to each other, one connecting plate 8 fixed mounting be in the one end of first electrode 2 with between opening 12, another connecting plate 8 fixed mounting be in the other end of third electrode 6 with between opening 12, two all be equipped with slide 9 on the opposite face of connecting plate 8 for the thermal link 7 slides in and the joint is in the other end of third electrode 6 with between the one end of first electrode 2. Specifically, the distance between the two slideways 9 on the connecting plates 8 is equal to the length of the thermal fuse 7, the height of the opening 12 is equal to or greater than the length of the thermal fuse 7, and the planes of the slideways 9 on the two connecting plates 8 are respectively on the same horizontal plane with the plane where the other end of the first electrode 2 and the other end of the third electrode 6 are located. The thermal link 7 is made of a low-melting-point alloy, and the rated operating temperature thereof is between 70 ℃ and 240 ℃. Preferably, said thermal links 7 are of the RF type.
When the temperature of the surge protector exceeds the tolerance temperature due to component degradation or the fault of the piezoresistor 4, the thermal fuse link 7 is melted, the third electrode 6 and the first electrode 2 are disconnected, and the surge protector is opened, so that an electronic device connected with the surge protector is protected. The surge protector adopts the thermal fuse link 7 to replace a traditional mechanical thermal tripping device, can solve the problem that the existing surge protector adopts the mechanical thermal tripping device and cannot trip easily, and has the characteristics of simple structure and convenience in installation and maintenance.
In addition, by arranging the opening 12 and the connecting plate 8 and arranging the slide 9 on the connecting plate 8, after the thermal fuse-link 7 is melted, a new thermal fuse-link 7 can be conveniently installed between one end of the first electrode 2 and the other end of the third electrode 6, so that the utilization efficiency of the whole surge protector is improved.
Example two:
as shown in fig. 1, a safe and reliable surge protector in an embodiment of the present invention includes an insulating housing 1, a first electrode 2, a second electrode 3, and a varistor 4, where the insulating housing 1 is provided with an inner cavity 5, one end of the first electrode 2 and one end of the second electrode 3 are both located in the inner cavity 5, and one end of the varistor 4 is electrically connected to one end of the second electrode 3. The other end of the first motor is electrically connected with a power live wire, and the other end of the second electrode 3 is grounded.
As shown in fig. 1, 2 and 3, the surge protector further includes a third electrode 6, a thermal fuse 7 and a connection plate 8, one end of the third electrode 6 is electrically connected with the other end of the piezoresistor 4, the other end of the third electrode 6 is opposite to one end of the first electrode 2, the lateral wall of insulating housing 1 is equipped with opening 12, connecting plate 8 is equipped with two, two connecting plate 8 is parallel to each other, one connecting plate 8 fixed mounting be in the one end of first electrode 2 with between opening 12, another connecting plate 8 fixed mounting be in the other end of third electrode 6 with between opening 12, two all be equipped with slide 9 on the opposite face of connecting plate 8 for the thermal link 7 slides in and the joint is in the other end of third electrode 6 with between the one end of first electrode 2. Specifically, the distance between the two slideways 9 on the connecting plates 8 is equal to the length of the thermal fuse 7, the height of the opening 12 is equal to or greater than the length of the thermal fuse 7, and the planes of the slideways 9 on the two connecting plates 8 are respectively on the same horizontal plane with the plane where the other end of the first electrode 2 and the other end of the third electrode 6 are located. The thermal link 7 is made of a low-melting-point alloy, and the rated operating temperature thereof is between 70 ℃ and 240 ℃. Preferably, said thermal links 7 are of the RF type.
When the temperature of the surge protector exceeds the tolerance temperature due to component degradation or the fault of the piezoresistor 4, the thermal fuse link 7 is melted, the third electrode 6 and the first electrode 2 are disconnected, and the surge protector is opened, so that an electronic device connected with the surge protector is protected. The surge protector adopts the thermal fuse link 7 to replace a traditional mechanical thermal tripping device, can solve the problem that the existing surge protector adopts the mechanical thermal tripping device and cannot trip easily, and has the characteristics of simple structure and convenience in installation and maintenance.
In addition, by arranging the opening 12 and the connecting plate 8 and arranging the slide 9 on the connecting plate 8, after the thermal fuse-link 7 is melted, a new thermal fuse-link 7 can be conveniently installed between one end of the first electrode 2 and the other end of the third electrode 6, so that the utilization efficiency of the whole surge protector is improved.
As shown in fig. 4, the surge protector further includes an elastic metal sheet 10, the other end of the third electrode 6 and one end of the first electrode 2 are both provided with a notch 11 matched with the thermal fuse link 7, one end of the elastic metal sheet 10 is close to the notch 11, the side wall of the connecting plate 8 is fixedly connected, and the other end of the elastic metal sheet 10 faces the notch 11 and is far away from the side wall of the connecting plate 8 in an inclined manner. Specifically, one end of the elastic metal piece 10 is welded to the side wall of the notch 11 close to the connecting plate 8, and the thermal fuse 7 is installed between the notches 11 through the elastic metal piece 10.
When the thermal fuse 7 is connected to one end of the first electrode 2 and the other end of the third electrode 6, the elastic metal sheet 10 is in a deformed and bent state and stores a certain elastic force. In this way, the elastic metal sheet 10 can fix the thermal fuse 7 between the one end of the first electrode 2 and the other end of the third electrode 6 more favorably.
One end of the first electrode 2 penetrates through the side wall of the inner cavity 5 and is positioned on the outer side of the insulating shell 1, one end of the second electrode 3 penetrates through the side wall of the inner cavity 5 and is positioned on the outer side of the insulating shell 1, so that a power live wire and the first electrode 2 as well as a ground wire and the second electrode 3 are conveniently connected.
The insulating shell 1 and the two connecting plates 8 are made of insulating ceramic materials. Thus, the insulating performance and the safety performance of the surge protector can be enhanced.
Example three:
as shown in fig. 1, a safe and reliable surge protector in an embodiment of the present invention includes an insulating housing 1, a first electrode 2, a second electrode 3, and a varistor 4, where the insulating housing 1 is provided with an inner cavity 5, one end of the first electrode 2 and one end of the second electrode 3 are both located in the inner cavity 5, and one end of the varistor 4 is electrically connected to one end of the second electrode 3. The other end of the first motor is electrically connected with a power live wire, and the other end of the second electrode 3 is grounded.
As shown in fig. 1, 2 and 3, the surge protector further includes a third electrode 6, a thermal fuse 7 and a connection plate 8, one end of the third electrode 6 is electrically connected with the other end of the piezoresistor 4, the other end of the third electrode 6 is opposite to one end of the first electrode 2, the lateral wall of insulating housing 1 is equipped with opening 12, connecting plate 8 is equipped with two, two connecting plate 8 is parallel to each other, one connecting plate 8 fixed mounting be in the one end of first electrode 2 with between opening 12, another connecting plate 8 fixed mounting be in the other end of third electrode 6 with between opening 12, two all be equipped with slide 9 on the opposite face of connecting plate 8 for the thermal link 7 slides in and the joint is in the other end of third electrode 6 with between the one end of first electrode 2. Specifically, the distance between the two slideways 9 on the connecting plates 8 is equal to the length of the thermal fuse 7, the height of the opening 12 is equal to or greater than the length of the thermal fuse 7, and the planes of the slideways 9 on the two connecting plates 8 are respectively on the same horizontal plane with the plane where the other end of the first electrode 2 and the other end of the third electrode 6 are located. The thermal link 7 is made of a low-melting-point alloy, and the rated operating temperature thereof is between 70 ℃ and 240 ℃. Preferably, said thermal links 7 are of the RF type.
When the temperature of the surge protector exceeds the tolerance temperature due to component degradation or the fault of the piezoresistor 4, the thermal fuse link 7 is melted, the third electrode 6 and the first electrode 2 are disconnected, and the surge protector is opened, so that an electronic device connected with the surge protector is protected. The surge protector adopts the thermal fuse link 7 to replace a traditional mechanical thermal tripping device, can solve the problem that the existing surge protector adopts the mechanical thermal tripping device and cannot trip easily, and has the characteristics of simple structure and convenience in installation and maintenance.
In addition, by arranging the opening 12 and the connecting plate 8 and arranging the slide 9 on the connecting plate 8, after the thermal fuse-link 7 is melted, a new thermal fuse-link 7 can be conveniently installed between one end of the first electrode 2 and the other end of the third electrode 6, so that the utilization efficiency of the whole surge protector is improved.
One end of the first electrode 2 penetrates through the side wall of the inner cavity 5 and is positioned on the outer side of the insulating shell 1, one end of the second electrode 3 penetrates through the side wall of the inner cavity 5 and is positioned on the outer side of the insulating shell 1, so that a power live wire and the first electrode 2 as well as a ground wire and the second electrode 3 are conveniently connected.
The insulating shell 1 and the two connecting plates 8 are made of insulating ceramic materials. Thus, the insulating performance and the safety performance of the surge protector can be enhanced.
As shown in fig. 5, 6 and 7, the surge protector further includes a connecting rod 13, a bimetal strip 14, a push rod 15, an insulating clip 16 and a coil spring 17, the connecting rod 13 is provided with two connecting rods 13 which are parallel to each other, one ends of the two connecting rods 13 are both far away from the notch 11 and are fixedly connected with the side wall of the thermal fuse-link 7, the other ends of the connecting rods 13 are respectively fixedly connected with the two ends of the bimetal strip 14, the active layer of the bimetal strip 14 is located between the passive layer of the bimetal strip 14 and the side wall of the thermal fuse-link 7 far away from the notch 11, and one end of the push rod 15 is fixedly connected with the passive layer of the bimetal strip 14. Specifically, the lift pins 15 and the connecting rod 13 are made of a conductive metal material so that the first electrode 2 and the third electrode 6 can be electrically connected to each other when the thermal fuse link 7 is mounted between the two lift pins 15. Preferably, the ejector pin 15 and the connecting rod 13 are made of copper or aluminum alloy.
As shown in fig. 5, 6 and 7, one end of the insulating cartridge clip 16 is open 12, and the other end is closed, the insulating cartridge clip 16 is fixedly mounted between the two slide ways 9 of the connecting plate 8, the open 12 end of the insulating cartridge clip 16 faces the inner cavity 5, the thermal fuse links 7 are provided with a plurality of thermal fuse links 7, and the side surfaces of the plurality of thermal fuse links 7 are all provided with insulating stoppers 18. In particular, the insulating stopper 18 is annularly provided on a side surface middle portion of the thermal links 7, and is made of an insulating material such as insulating ceramic, so that the plurality of thermal links 7 are isolated from each other and are not conducted. When the thermal fuse-link 7 with the joint two between the ejector pin, the both ends of thermal fuse-link contact with first electrode and second electrode respectively.
One end of the spiral spring 17 is in contact with the bottom of the inner wall of the insulating cartridge clip 16, one of the thermal fuse links 7 is clamped between the two ejector rods 15, and the other thermal fuse links 7 are arranged between the other end of the spiral spring 17 and the end of the opening 12 of the insulating cartridge clip 16. When the insulating clip 16 is fixedly arranged between the slide ways 9 of the two connecting plates 8, the spiral spring 17 is always in a compressed state.
When the temperature of the surge protector exceeds the tolerance temperature due to component degradation or the fault of the piezoresistor 4, the thermal fuse link 7 connected between the two push rods 15 is fused, the third electrode 6 and the first electrode 2 are disconnected, and the surge protector stops heating and temperature rise continuously due to open circuit. When the thermal fuse-link 7 heats up and fuses, the bimetallic strip 14 is heated and deformed, the whole bimetallic strip is bent towards one side of the passive layer, and the fused part of the thermal fuse-link 7 is pushed out of the notch 11 through the ejector rod 15 and the next thermal fuse-link 7 is limited to be connected between the two ejector rods 15. Due to the presence of the insulating stop 18, the plunger 15 is not in conduction with the thermal link 7 that is to be inserted between the two plungers 15.
When the whole temperature of the surge protector is lower than the deformation temperature of the bimetallic strip 14, the bimetallic strip 14 recovers the original shape, the residual thermal fuse-link 7 moves towards the inner cavity 5 under the action of the elasticity of the spiral spring 17, and the thermal fuse-link 7 which is farthest away from the spiral spring 17 is connected between the two ejector rods 15. At this time, the surge protector is communicated.
Through setting up connecting rod 13, bimetallic strip 14, ejector pin 15, insulating clip 16 and coil spring 17 to install many thermal links 7 among the insulating clip 16, can realize surge protector thermal link 7's automatic installation and change, improve work efficiency.
The bimetallic strip 14 is a snap-action bimetallic disc, the reset temperature of which is less than 50 ℃, and the action temperature of which is equal to or slightly less than that of the thermal fuse link 7. Preferably, the operating temperature of the thermal fuse link 7 is between 70 and 90 degrees celsius, and the operating temperature of the bimetal 14 is between 65 and 70 degrees celsius. When the thermal link 7 connected between the two ejector rods 15 is fused, the bimetallic strip 14 can be deformed and bent by heating and limits the next thermal link 7 to be connected between the two ejector rods 15 until the overall temperature of the surge protector is reduced to be lower than the reset temperature of the bimetallic strip 14. In this way, the thermal fuse 7 can be prevented from being inserted between the two push rods 15 at a high temperature, and the safety performance of the surge protector can be improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A safe and reliable surge protector comprises an insulating shell, a first electrode, a second electrode and a piezoresistor, wherein the insulating shell is provided with an inner cavity, one end of the first electrode and one end of the second electrode are both positioned in the inner cavity, one end of the piezoresistor is electrically connected with one end of the second electrode, the surge protector is characterized by further comprising a third electrode, a thermal fuse and two connecting plates, one end of the third electrode is electrically connected with the other end of the piezoresistor, the other end of the third electrode is just opposite to one end of the first electrode, the side wall of the insulating shell is provided with an opening, the two connecting plates are parallel to each other, one connecting plate is fixedly arranged between one end of the first electrode and the opening, the other connecting plate is fixedly arranged between the other end of the third electrode and the opening, all be equipped with the slide on the opposite face of two the connecting plate is in order to supply the thermal link body slides in and the joint is in the other end of third electrode with between the one end of first electrode, the action temperature of thermal link body is between 70 degrees centigrade to 240 degrees centigrade.
2. A safety and reliable surge protector according to claim 1, wherein the other end of said third electrode and the one end of said first electrode are provided with notches matching said thermal fuse.
3. A safety and reliable surge protector according to claim 2, wherein an end of said first electrode passes through a side wall of said interior cavity and is located outside said insulating housing.
4. A safe and reliable surge protector according to claim 3, wherein one end of said second electrode passes through a side wall of said internal cavity and is located outside said insulating housing.
5. A safety and reliable surge protector according to claim 4, wherein said thermal fuse is made of a low melting point alloy.
6. A safety and reliable surge protector according to claim 5, wherein said insulating housing is made of an insulating ceramic material.
7. A safety and reliable surge protector according to claim 6, wherein both of said connecting plates are made of an insulating ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129519.1A CN112259312A (en) | 2020-10-22 | 2020-10-22 | Safe and reliable lightning protection surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129519.1A CN112259312A (en) | 2020-10-22 | 2020-10-22 | Safe and reliable lightning protection surge protector |
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| Publication Number | Publication Date |
|---|---|
| CN112259312A true CN112259312A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011129519.1A Withdrawn CN112259312A (en) | 2020-10-22 | 2020-10-22 | Safe and reliable lightning protection surge protector |
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| CN (1) | CN112259312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022226958A1 (en) * | 2021-04-30 | 2022-11-03 | 上海辰竹防雷科技有限公司 | Surge protection module and surge protection device |
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2020
- 2020-10-22 CN CN202011129519.1A patent/CN112259312A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022226958A1 (en) * | 2021-04-30 | 2022-11-03 | 上海辰竹防雷科技有限公司 | Surge protection module and surge protection device |
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Application publication date: 20210122 |