CN117833179A - Contact type double-tripping transient voltage suppressor - Google Patents
Contact type double-tripping transient voltage suppressor Download PDFInfo
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- CN117833179A CN117833179A CN202311609832.9A CN202311609832A CN117833179A CN 117833179 A CN117833179 A CN 117833179A CN 202311609832 A CN202311609832 A CN 202311609832A CN 117833179 A CN117833179 A CN 117833179A
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- 230000001052 transient effect Effects 0.000 title claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 68
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000004146 energy storage Methods 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 23
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000010891 electric arc Methods 0.000 abstract description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000005476 soldering Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to the technical field of protection devices, in particular to a contact type double-tripping transient voltage suppressor which comprises a metal connecting component, a frame, a first pin, a second pin, an elastic piece and fusible alloy, wherein the metal connecting component, the frame, the first pin, the second pin, the elastic piece and the fusible alloy form a whole through the mutual position relation and the connection relation. When the protection device is not tripped, the first pin is connected with one end pin of the protection device in a pressing contact mode, and the other end of the metal connecting component is connected with the second pin in the same pressing contact mode. The method can greatly reduce the generation or elongation of the electric arc by adopting the modes of extrusion contact to replace soldering tin and the like, and quickly separate the transient voltage suppressor from the main loop, thereby effectively cutting off the electric arc. Two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly and are in a compressed energy storage state. When in tripping, the fusible alloy is fused, the elastic piece releases energy to push the metal connecting component to be quickly separated, so that the metal connecting component is completely disconnected from the electric connection relation between the first pin and the second pin respectively, and the double tripping function is realized.
Description
Technical Field
The invention relates to the technical field of protection devices, in particular to a contact type double-tripping transient voltage suppressor.
Background
A Transient Voltage Suppressor (TVS) is a voltage limiting element that is used mainly to bleed off surge currents and clamp voltages. For protecting sensitive circuits from high voltage transients.
The common mechanical tripping type transient voltage suppressor in the market is a single tripping type transient voltage suppressor, the requirements of creepage distance and electric clearance are difficult to meet in a limited space, and an arc generated in the tripping process cannot be effectively cut off; meanwhile, the common welding mode is tin soldering, tin beads are easy to generate in the tripping process, and the generation of an electric arc is promoted, so that a shell is ignited frequently, and equipment is damaged.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the contact type double-tripping transient voltage suppressor has the advantages that the generation or elongation of an electric arc can be greatly reduced by adopting modes such as extrusion contact and replacement of soldering tin, the creepage distance and the electric gap are improved by adopting a double-side tripping mode in a limited space, and the safety of circuit protection is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a contact double-trip transient voltage suppressor comprises a metal connecting component, a frame, a first pin, a second pin, an elastic piece and a fusible alloy;
the frame is provided with a first cavity for accommodating the protection device and a second cavity for accommodating the elastic piece, the first pin and the second pin are respectively arranged on two opposite side walls of the frame, and the first pin is in extrusion contact connection with one end pin of the protection device;
one end of the metal connecting component is fixedly connected with the pin at the other end of the protection device through fusible alloy, and the other end of the metal connecting component is connected with the second pin in an extrusion contact manner;
under the non-tripping state, the two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly, and the elastic piece is in a compression energy storage state.
Further, the metal connecting assembly comprises a semi-open sliding block, the semi-open sliding block is provided with a third cavity which is open towards the first cavity, and the second cavity and the third cavity jointly act on two ends of the elastic piece; in the non-tripped state, the resilient member provides a pressing force in the direction of the protection device.
Further, a limiting clamping groove is formed in the position, away from the first cavity, of the second cavity, and limiting ribs matched with the limiting clamping groove are arranged on the semi-open sliding block.
Further, the portable electronic device further comprises a shell with an opening at one end, a groove part is arranged on the inner side wall of the opening of the shell, and a protruding part matched with the groove part is arranged on the outer side wall of the frame.
Further, the second pin is provided with an elastic wing extending along the direction away from the protection device, and when the frame is arranged in the shell, the elastic wing is in extrusion contact with the inner side wall of the shell and is in a deformation state.
Further, a limiting groove matched with the side wall of the frame is formed in the inner side wall of the opening, and the groove part is located in the limiting groove.
Further, a bulge part is arranged on the first pin.
Further, the metal connecting assembly further comprises a metal connecting piece and a high-temperature-resistant conductor, the metal connecting piece is provided with a containing cavity, one end of the high-temperature-resistant conductor is embedded into the containing cavity, and the other end of the high-temperature-resistant conductor is connected with the second pin in an extrusion contact mode.
Further, a first connecting portion is arranged in the middle of the high-temperature-resistant conductor, and a second connecting portion matched with the first connecting portion is arranged at the end portion of the semi-open sliding block.
Further, the contact between the first pin and one end pin of the protection device and the contact between the other end of the metal connecting component and the second pin are both surface contact, and the protection device further comprises a third pin fixedly connected with the other end pin of the protection device.
The invention has the beneficial effects that:
the invention provides a contact double-trip type transient voltage suppressor which comprises a metal connecting component, a frame, a first pin, a second pin, an elastic piece and fusible alloy, wherein the metal connecting component, the frame, the first pin, the second pin, the elastic piece and the fusible alloy form a whole through the mutual position relation and the connection relation. In the non-tripping state, the first pin is connected with one end pin of the protection device in a pressing contact manner, and the other end of the metal connecting component is connected with the second pin in the same manner through the pressing contact manner so as to ensure the connection reliability. The method can greatly reduce the generation/elongation of the electric arc by adopting the modes of extrusion contact to replace soldering tin and the like, and quickly separate the transient voltage suppressor from the main loop so as to effectively cut off the electric arc. The two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly, and the elastic piece is in a compression energy storage state. When in tripping, the fusible alloy is fused, the elastic piece releases energy to push the metal connecting component to be separated quickly, so that the two ends of the metal connecting component are respectively disconnected with the electric connection relation of the first pin and the second pin, the double tripping function is realized, namely, the creepage distance and the electric gap are improved in a limited space in a bilateral tripping mode, and the safety of circuit protection is improved.
Drawings
FIG. 1 is an exploded view of a contact double trip transient voltage suppressor according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a contact dual-trip transient voltage suppressor according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a contact double trip transient voltage suppressor according to a first embodiment of the invention;
fig. 4 is a schematic structural diagram of a metal connection member of a contact dual-trip transient voltage suppressor according to a first embodiment of the present invention;
FIG. 5 is a schematic diagram of a semi-open slider of a contact dual-trip transient voltage suppressor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a frame of a contact double-trip transient voltage suppressor according to a first embodiment of the invention;
fig. 7 is a cross-sectional view of a contact double-trip transient voltage suppressor according to a first embodiment of the invention during tripping;
fig. 8 is a schematic structural diagram of a contact double-trip transient voltage suppressor according to a first embodiment of the invention after assembly;
FIG. 9 is an electrical schematic diagram of a contact double trip transient voltage suppressor according to a first embodiment of the invention;
fig. 10 is a schematic structural diagram of a contact dual-trip transient voltage suppressor according to a second embodiment of the invention after assembly;
fig. 11 is a schematic structural diagram of a contact dual-trip transient voltage suppressor according to a second embodiment of the invention;
fig. 12 is an electrical schematic diagram of a contact double-trip transient voltage suppressor according to a second embodiment of the invention;
description of the reference numerals:
1. a housing; 11. a groove portion; 2. a metal connector; 21. a receiving chamber; 3. a TVS component; 4. a first pin; 41. a bulge part; 5. an elastic member; 6. a frame; 61. a limit clamping groove; 62. a protruding portion; 7. a high temperature resistant conductor; 8. a semi-open slider; 81. a limit rib; 82. a hook; 9. a second pin; 91. an elastic wing; 10. and a third pin.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 12, the contact type double-trip transient voltage suppressor provided by the present invention includes a metal connection assembly, a frame, a first pin, a second pin, an elastic member and a fusible alloy;
the frame is provided with a first cavity for accommodating the protection device and a second cavity for accommodating the elastic piece, the first pin and the second pin are respectively arranged on two opposite side walls of the frame, and the first pin is in extrusion contact connection with one end pin of the protection device;
one end of the metal connecting component is fixedly connected with the pin at the other end of the protection device through fusible alloy, and the other end of the metal connecting component is connected with the second pin in an extrusion contact manner;
under the non-tripping state, the two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly, and the elastic piece is in a compression energy storage state.
From the above description, the beneficial effects of the invention are as follows:
the invention provides a contact double-trip type transient voltage suppressor which comprises a metal connecting component, a frame, a first pin, a second pin, an elastic piece and fusible alloy, wherein the metal connecting component, the frame, the first pin, the second pin, the elastic piece and the fusible alloy form a whole through the mutual position relation and the connection relation. In the non-tripping state, the first pin is connected with one end pin of the protection device in a pressing contact manner, and the other end of the metal connecting component is connected with the second pin in the same manner through the pressing contact manner so as to ensure the connection reliability. The method can greatly reduce the generation of electric arcs by adopting the modes of extrusion contact to replace soldering tin and the like, and quickly separate the transient voltage suppressor from the main loop, thereby effectively cutting off the electric arcs. The two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly, and the elastic piece is in a compression energy storage state. When in tripping, the fusible alloy is fused, the elastic piece releases energy to push the metal connecting component to be separated quickly, so that the two ends of the metal connecting component are respectively disconnected with the electric connection relation of the first pin and the second pin, the double tripping function is realized, namely, the creepage distance and the electric gap are improved in a limited space in a bilateral tripping mode, and the safety of circuit protection is improved.
Further, the metal connecting assembly comprises a semi-open sliding block, the semi-open sliding block is provided with a third cavity which is open towards the first cavity, and the second cavity and the third cavity jointly act on two ends of the elastic piece; in the non-tripped state, the resilient member provides a pressing force in the direction of the protection device.
As can be seen from the above description, the elastic member provides the pressing force towards the direction of the protection device under the action of the semi-open slider, so that the connection reliability of the protection device and the first pin can be further improved.
Further, a limiting clamping groove is formed in the position, away from the first cavity, of the second cavity, and limiting ribs matched with the limiting clamping groove are arranged on the semi-open sliding block.
According to the above description, the sliding direction of the sliding block can be limited through the cooperation of the limiting clamping groove and the limiting rib, and the tripping stability is ensured.
Further, the portable electronic device further comprises a shell with an opening at one end, a groove part is arranged on the inner side wall of the opening of the shell, and a protruding part matched with the groove part is arranged on the outer side wall of the frame.
As is apparent from the above description, the assembly of the frame and the housing is achieved by the above structure.
Further, the second pin is provided with an elastic wing extending along the direction away from the protection device, and when the frame is arranged in the shell, the elastic wing is in extrusion contact with the inner side wall of the shell and is in a deformation state.
As can be seen from the above description, when the frame is installed in the housing, the elastic wing is in pressing contact with the inner side wall of the housing and is in a deformed state, so that the second pin can be more closely attached to the other end of the metal connection assembly, and electrical connection stability is ensured.
Further, a limiting groove matched with the side wall of the frame is formed in the inner side wall of the opening, and the groove part is located in the limiting groove.
According to the above description, the limiting groove is arranged, so that the position of the frame in the shell can be ensured to be fixed, and further the movable space of the sliding block during tripping can be ensured to meet the tripping distance.
Further, a bulge part is arranged on the first pin.
As can be seen from the above description, the bulge portion is provided on the first pin, and the bulge portion can deform toward one end of the protection device under the driving of the side wall of the frame, and is in extrusion contact, so as to ensure the stability of electrical connection.
Further, the metal connecting assembly further comprises a metal connecting piece and a high-temperature-resistant conductor, the metal connecting piece is provided with a containing cavity, one end of the high-temperature-resistant conductor is embedded into the containing cavity, and the other end of the high-temperature-resistant conductor is connected with the second pin in an extrusion contact mode.
As is clear from the above description, by the above structural design, the assembly of the metal connection member and the high-temperature-resistant conductor is realized and the electrical connection is satisfied.
Further, a first connecting portion is arranged in the middle of the high-temperature-resistant conductor, and a second connecting portion matched with the first connecting portion is arranged at the end portion of the semi-open sliding block.
As is apparent from the above description, the assembly of the high-temperature-resistant conductor and the semi-open slider is achieved by the cooperation of the first connecting portion and the second connecting portion.
Further, the contact between the first pin and one end pin of the protection device and the contact between the other end of the metal connecting component and the second pin are both surface contact.
As is apparent from the above description, the electrical performance can be ensured by the surface contact.
Further, the protection device further comprises a third pin, and the third pin is fixedly connected with the other end pin of the protection device.
As can be seen from the above description, the third pin is added and fixedly connected with the other end pin of the protection device, so that the protection device has the function of monitoring the loop state. Whether the protection device is abnormal or not can be monitored through the first pin and the third pin; through the second pin and the third pin, whether the tripping loop is disconnected or not can be monitored.
Referring to fig. 1 to 9, a first embodiment of the present invention is as follows:
the invention provides a contact double-tripping transient voltage suppressor which comprises a shell 1, a metal connecting component, a frame 6, a first pin 4, a second pin 9, an elastic piece 5 and a fusible alloy, wherein one end of the shell is provided with an opening; in this embodiment, the housing 1 and the frame 6 are both square; of course, cylindrical or other shapes are also possible. The fusible alloy adopts low-temperature alloy, and the elastic pieces 5 adopt springs, specifically compression springs, and the number of the springs is 1; of course, the spring can also be a tension spring or a torsion spring, and more than 1 spring can be adopted to provide better elasticity.
The inner side wall of the opening of the shell 1 is provided with a groove part 11, the outer side wall of the frame 6 is provided with a protruding part 62 matched with the groove part, and the assembly of the frame 6 and the shell 1 is realized. In order to ensure that the frame 6 is fixed in position in the shell 1, and further ensure that the moving space of the sliding block 8 during tripping meets the tripping distance, a limiting groove matched with the side wall of the frame 6 is formed in the inner side wall of the opening, and the groove part is positioned in the limiting groove.
The frame 6 is provided with a first cavity for accommodating a protection device and a second cavity for accommodating the elastic piece 5, and the protection device is a TVS assembly 3.
The first pin 4 and the second pin 9 are respectively arranged on two opposite side walls of the frame 6, and the first pin 4 is connected with one end pin of the TVS component 3 in a pressing contact manner to lead out a P1 pin; further, the first pins 4 are provided with bulge parts 41, and the bulge parts 41 can deform towards one end of the TVS assembly 3 under the driving of the side wall of the frame 6 and are in extrusion contact, so that the electrical connection stability is ensured.
The metal connecting assembly comprises a semi-open sliding block 8, a metal connecting piece 2 and a high-temperature-resistant conductor 7. The metal connecting piece 2 is provided with a containing cavity 21, one end of the high-temperature-resistant conductor 7 is embedded into the containing cavity 21, and the other end of the high-temperature-resistant conductor 7 is connected with the second pin 9 in a pressing contact mode. The middle part of the high temperature resistant conductor 7 is provided with a first connecting part, and the end part of the semi-open type sliding block 8 is provided with a second connecting part matched with the first connecting part. The first connecting portion is a clamping groove located at two opposite ends of the middle portion of the high-temperature-resistant conductor 7, and the second connecting portion is a clamping hook 82 located at two opposite ends of the end portion of the semi-open sliding block 8. During assembly, the metal connecting piece 2 is connected with one end of the high-temperature-resistant conductor 7 in an elastic interference mode, and is clamped into the clamping hook of the semi-open sliding block after connection. The other end of the high-temperature-resistant conductor 7 is elastically connected with the second pin 9 in an extrusion mode, and a P2 pin is led out. It is of course also possible to dispense with the metal connector 2, i.e. one end of the high temperature resistant conductor 7 is in direct contact with the other end of the TVS assembly 3.
The semi-open slide 8 has a third cavity open towards the first cavity, and the second and third cavities act together on the two ends of the elastic element 5, in the non-tripped state the elastic element 5 is in a compressed energy storage state and provides a pressing force towards the protection device.
One end of the metal connecting component is fixedly connected with the pin at the other end of the protection device through low-temperature alloy, and the other end of the metal connecting component is connected with the second pin 9 in an extrusion contact manner; the second pin 9 is provided with an elastic wing 91 extending along the direction away from the protection device, and when the frame 6 is installed in the shell, the elastic wing 91 is in extrusion contact with the inner side wall of the shell 1 and the elastic wing 91 is in a deformation state, so that the second pin 9 can be clung to the other end of the metal connecting component more closely, and the electrical connection stability is ensured.
The frame 6 is provided with a limit clamping groove 61 at a position of the second cavity far away from the first cavity, and the semi-open sliding block 8 is provided with a limit rib 81 matched with the limit clamping groove. Through the cooperation of spacing draw-in groove and spacing muscle, can restrict the slip direction of slider, ensure the stability of tripping. Namely, the spring is accommodated in the semi-open type sliding block 8, and is limited by the limiting ribs of the semi-open type sliding block 8 and the limiting clamping grooves of the frame.
Finally, the housing 1 is combined with the assembled frame 6 in various manners including, but not limited to, snap-fitting, ultrasonic fusion, gluing, etc. Taking the buckles as an example, the number of the buckles is more than or equal to 2, and the number of the buckles is 4 in the embodiment.
And the contact between the first pin 4 and one end pin of the protection device and the contact between the other end of the metal connecting component and the second pin 9 are both surface contacts. The contact between the second pin 9 and the other end of the metal connecting component is an inclined plane, so that the friction force given to the metal connecting component is reduced during tripping, and the tripping speed is improved. Of course, the present invention is not limited to the surface contact, and may be a dot line contact, a point-surface contact, a line-line contact, or a line-surface contact.
It should be noted that, the second pin ensures reliable connection of the high temperature resistant conductor and the second pin through self elasticity and the wing of the second pin which is extruded in an auxiliary way by the side wall of the shell. The side wall of the frame drives the bulge of the first pin to deform towards one end of the TVS component to be in extrusion contact; meanwhile, the spring is arranged in the semi-open sliding block, so that after the frame is assembled, the spring can only deform towards the semi-open direction, and the extrusion force can be provided for the TVS component.
The invention provides a contact type double-tripping transient voltage suppressor, which comprises the following assembly steps:
the assembly of the metal connecting assembly is finished firstly, then the first pin, the second pin and the TVS assembly are respectively arranged in the frame, then the spring is arranged in the semi-open sliding block, the spring is in a compressed state through the cooperation of the semi-open sliding block and the frame, at the moment, the other end of the TVS assembly is fixedly connected with the metal connecting piece through low-temperature alloy, and then the TVS assembly and the TVS assembly are integrally arranged in the shell together.
Referring to fig. 10 to 12, a second embodiment of the present invention is as follows:
on the basis of the first embodiment, a third pin 10 is added, and the third pin 10 is fixedly connected with the other end pin of the protection device, so that the protection device has a loop state monitoring function, and whether the protection device is abnormal or not can be monitored through the first pin 4 and the third pin 10; through the second pin 9 and the third pin 10 it is possible to monitor whether the trip circuit is open.
In summary, the contact type double-trip transient voltage suppressor provided by the invention comprises a metal connecting component, a frame, a first pin, a second pin, an elastic piece and fusible alloy, and forms a whole through the mutual position relationship and the connection relationship. In the non-tripping state, the first pin is connected with one end pin of the protection device in a pressing contact manner, and the other end of the metal connecting component is connected with the second pin in the same manner through the pressing contact manner so as to ensure the connection reliability. The method can greatly reduce the generation/elongation of the electric arc by adopting the modes of extrusion contact to replace soldering tin and the like, and quickly separate the transient voltage suppressor from the main loop so as to effectively cut off the electric arc. The two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly, and the elastic piece is in a compression energy storage state. When in tripping, the fusible alloy is fused, the elastic piece releases energy to push the metal connecting component to be separated quickly, so that the two ends of the metal connecting component are respectively disconnected with the electric connection relation of the first pin and the second pin, the double tripping function is realized, namely, the creepage distance and the electric gap are improved in a limited space in a bilateral tripping mode, and the safety of circuit protection is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (10)
1. The contact double-trip type transient voltage suppressor is characterized by comprising a metal connecting component, a frame, a first pin, a second pin, an elastic piece and a fusible alloy;
the frame is provided with a first cavity for accommodating the protection device and a second cavity for accommodating the elastic piece, the first pin and the second pin are respectively arranged on two opposite side walls of the frame, and the first pin is in extrusion contact connection with one end pin of the protection device;
one end of the metal connecting component is fixedly connected with the pin at the other end of the protection device through fusible alloy, and the other end of the metal connecting component is connected with the second pin in an extrusion contact manner;
under the non-tripping state, the two ends of the elastic piece are respectively abutted with the frame and the metal connecting assembly, and the elastic piece is in a compression energy storage state.
2. The contact double trip transient voltage suppressor of claim 1, wherein said metal connection assembly comprises a semi-open slider having a third cavity open to the first cavity, said second and third cavities acting together on both ends of the resilient member; in the non-tripped state, the resilient member provides a pressing force in the direction of the protection device.
3. The contact double-trip transient voltage suppressor of claim 1, wherein the frame is provided with a limit clamping groove at a position of the second cavity far away from the first cavity, and the semi-open slide block is provided with a limit rib matched with the limit clamping groove.
4. The contact double trip type transient voltage suppressor of claim 1, further comprising a housing having an opening at one end, wherein a groove portion is provided on an inner side wall of the opening of the housing, and a protrusion portion adapted to the groove portion is provided on an outer side wall of the frame.
5. The contact double trip type transient voltage suppressor of claim 4, wherein the second pin is provided with an elastic wing extending along a direction away from the protection device, and when the frame is installed in the housing, the elastic wing is in pressing contact with the inner side wall of the housing and is in a deformed state.
6. The contact double-trip transient voltage suppressor of claim 4, wherein the inner side wall of the opening is provided with a limit groove matched with the side wall of the frame, and the groove part is positioned in the limit groove.
7. The contact double trip type transient voltage suppressor of claim 1, wherein said first pin is provided with a bulge.
8. The contact double trip type transient voltage suppressor of claim 2, wherein said metal connection assembly further comprises a metal connection member and a high temperature resistant conductor, said metal connection member having a receiving cavity, one end of said high temperature resistant conductor being embedded in said receiving cavity, the other end of said high temperature resistant conductor being in press contact with a second pin.
9. The contact double trip type transient voltage suppressor of claim 1, wherein the contact of said first pin with one end pin of the protection device and the contact of the other end of said metal connection assembly with the second pin are both surface contacts.
10. The contact double trip type transient voltage suppressor of claim 1, further comprising a third pin fixedly connected to the other end pin of the protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311609832.9A CN117833179A (en) | 2023-11-28 | 2023-11-28 | Contact type double-tripping transient voltage suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311609832.9A CN117833179A (en) | 2023-11-28 | 2023-11-28 | Contact type double-tripping transient voltage suppressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117833179A true CN117833179A (en) | 2024-04-05 |
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ID=90512426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311609832.9A Pending CN117833179A (en) | 2023-11-28 | 2023-11-28 | Contact type double-tripping transient voltage suppressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117833179A (en) |
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2023
- 2023-11-28 CN CN202311609832.9A patent/CN117833179A/en active Pending
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