CN219678106U - Ceramic gas discharge tube surge protector - Google Patents
Ceramic gas discharge tube surge protector Download PDFInfo
- Publication number
- CN219678106U CN219678106U CN202320964852.7U CN202320964852U CN219678106U CN 219678106 U CN219678106 U CN 219678106U CN 202320964852 U CN202320964852 U CN 202320964852U CN 219678106 U CN219678106 U CN 219678106U
- Authority
- CN
- China
- Prior art keywords
- discharge tube
- gas discharge
- ceramic gas
- electrode
- surge protector
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- 239000000919 ceramic Substances 0.000 title claims abstract description 52
- 230000001012 protector Effects 0.000 title claims abstract description 18
- 238000005476 soldering Methods 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002788 crimping Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a ceramic gas discharge tube surge protector, and belongs to the technical field of power system protection devices. The ceramic gas discharge tube is welded with one end of the ceramic gas discharge tube, the other end of the ceramic gas discharge tube is in bolt crimping with the fixed electrode, and the micro switch is fixed on the upper portion of an elastic sheet of the trip electrode. When the ceramic gas discharge tube fails and the power frequency follow current exists, the ceramic gas discharge tube heats, the tripping electrode bounces off and cuts off the circuit, so that the electric fire caused by continuous heating of the ceramic gas discharge tube is avoided, the tripping electrode simultaneously triggers the micro switch to act, an alarm signal is output, and the reliability and the safety of the system are greatly improved.
Description
Technical Field
The utility model relates to a ceramic gas discharge tube surge protector, and belongs to the technical field of power system protection devices.
Background
The low voltage distribution system should be provided with a class I test surge protector at the total distribution box where the power is introduced. The ceramic gas discharge tube is a switch type surge protection device, the core component of the switch type surge protection device has the characteristics of large flux and no leakage current, and is generally used for manufacturing a class I test surge protection device, so that interference in a power grid is eliminated, and the safety of a system is protected. The ceramic gas discharge tube presents high impedance when no surge, suddenly changes into low impedance when overvoltage such as thunder and lightning exists, at this time, if the ceramic gas discharge tube has power frequency voltage, continuous current can be generated, the ceramic gas discharge tube can be disconnected in an index range under general conditions, when the continuous current is overlarge, the discharge tube can not disconnect follow current, the discharge tube can continuously generate heat, the temperature of the surrounding environment of the discharge tube is increased, fire is caused, and the safety of a surge protector and a protected system is endangered.
At present, surge protectors manufactured by using ceramic gas discharge tubes in the market have no fault tripping and alarming functions, so that a protected system is in a dangerous state, and workers cannot find problems in time.
Disclosure of Invention
The utility model aims to provide a ceramic gas discharge tube surge protector, which can solve the problems that the temperature rise is abnormal and the connection circuit cannot be cut off and an alarm signal cannot be output due to the fault of a ceramic gas discharge tube, so that the system and the surge protector can be safely and reliably operated.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
the ceramic gas discharge tube surge protector is characterized by comprising a shell, a tripping electrode, a fixed electrode, a micro switch and a ceramic gas discharge tube; the casing comprises a base and a cover plate, wherein two ends of the base are provided with electrode connectors, an electrode mounting seat for mounting a tripping electrode and a fixed electrode is arranged near the electrode connectors, the ceramic gas discharge tube is fixed in the middle of the base, and the fixed electrode is connected with the bottom end of the ceramic gas discharge tube; the tripping electrode is welded with the top end of the ceramic gas discharge tube through an elastic sheet; the micro switch is arranged in the cover plate and is positioned on the same vertical plane with the elastic sheet.
Preferably, the elastic sheet is made of beryllium bronze and is welded at the top end of the ceramic gas discharge tube through soldering.
Preferably, the fixed electrode is made of copper, and is in compression joint with the bottom end of the ceramic gas discharge tube through bolts.
Preferably, the micro switch is connected with an extension plate, and the extension plate is sleeved on the elastic sheet.
Preferably, the three elastic sheets are respectively connected to the tripping electrode through bolts, and one end of the elastic sheet, which is connected with the ceramic gas discharge tube, is provided with an L-shaped bulge.
Preferably, a fault observation window which is convenient for observing the elastic sheet is arranged in the middle of the cover plate.
The utility model has the advantages that: when the ceramic gas discharge tube in the surge protector has short circuit fault, the elastic sheet of the tripping electrode is disconnected with the discharge tube, the system is automatically disconnected by the cut-off circuit, and an alarm signal is output, so that the safety and reliability of the system are greatly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
FIG. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic cross-sectional view of the present utility model.
Fig. 3 is a schematic view of the structure of the housing of the present utility model.
In the figure: the device comprises a ceramic gas discharge tube 1, a fixed electrode 2, a shell 3, a micro switch 4, a spring plate 5, a tripping electrode 6, a cover plate 7, a base 8, an electrode connection port 9, an extension plate 10 and a fault observation window 11.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A ceramic gas discharge tube surge protector comprises a shell 3, a tripping electrode 6, a fixed electrode 2, a micro switch 4 and a ceramic gas discharge tube 1; the casing 3 comprises a base 8 and a cover plate 7, wherein electrode connectors 9 are arranged at two ends of the base 8, an electrode mounting seat for mounting a tripping electrode 6 and a fixed electrode 2 is arranged near the electrode connectors 9, the ceramic gas discharge tube 1 is fixed in the middle of the base 8, and the fixed electrode 2 is connected with the bottom end of the ceramic gas discharge tube 1; the tripping electrode 6 is welded with the top end of the ceramic gas discharge tube 1 through the elastic sheet 5; the micro switch 4 is arranged inside the cover plate 7 and is positioned on the same vertical plane with the elastic sheet 5. The elastic sheet 5 is made of beryllium bronze and is welded at the top end of the ceramic gas discharge tube 1 through tin soldering. The fixed electrode 2 is made of copper, and is in compression joint with the bottom end of the ceramic gas discharge tube 1 through bolts. The micro switch 4 is connected with an extension plate 10, and the extension plate 10 is sleeved on the elastic sheet 5. The three elastic pieces 5 are respectively connected to the tripping electrode 6 through bolts, and an L-shaped bulge is arranged at one end of the elastic piece 5 connected with the ceramic gas discharge tube 1. The middle part of apron 7 is provided with the trouble observation window 11 that is convenient for observe shell fragment 5.
Under normal conditions, the elastic sheet 5 of the tripping electrode 6 is stressed to elastically deform, so that the contact of the micro switch 4 is in a normally open state. When the ceramic gas discharge tube 1 has a short circuit fault, the ceramic gas discharge tube 1 heats, so that soldering tin welded by the elastic sheet 5 of the trip electrode and the ceramic gas discharge tube 1 is melted, the elastic sheet 5 of the trip electrode is separated from the ceramic gas discharge tube 1, a circuit is cut off, meanwhile, contacts of the micro switch 4 are pressed, the output state of the micro switch is reversed, an alarm signal is output, and the state of the elastic sheet 5 can be observed through the fault observation window 11.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The ceramic gas discharge tube surge protector is characterized by comprising a shell (3), a tripping electrode (6), a fixed electrode (2), a micro switch (4) and a ceramic gas discharge tube (1); the casing (3) comprises a base (8) and a cover plate (7), wherein electrode connectors (9) are arranged at two ends of the base (8), an electrode mounting seat for mounting a tripping electrode (6) and a fixed electrode (2) is arranged at a position close to the electrode connectors (9), the ceramic gas discharge tube (1) is fixed in the middle of the base (8), and the fixed electrode (2) is connected with the bottom end of the ceramic gas discharge tube (1); the tripping electrode (6) is welded with the top end of the ceramic gas discharge tube (1) through an elastic sheet (5); the micro switch (4) is arranged in the cover plate (7) and is positioned on the same vertical plane with the elastic sheet (5).
2. The surge protector for the ceramic gas discharge tube according to claim 1, wherein the elastic sheet (5) is made of beryllium bronze and is welded to the top end of the ceramic gas discharge tube (1) through soldering.
3. The surge protector for the ceramic gas discharge tube according to claim 1, wherein the fixed electrode (2) is made of copper and is in compression joint with the bottom end of the ceramic gas discharge tube (1) through bolts.
4. The ceramic gas discharge tube surge protector according to claim 1, characterized in that the micro switch (4) is connected with an extension plate (10), the extension plate (10) is sleeved on the spring plate (5).
5. The surge protector for the ceramic gas discharge tube according to claim 1, wherein three elastic sheets (5) are respectively connected to the trip electrode (6) through bolts, and an L-shaped bulge is arranged at one end of the elastic sheet (5) connected with the ceramic gas discharge tube (1).
6. The ceramic gas discharge tube surge protector according to claim 1, characterized in that the middle part of the cover plate (7) is provided with a fault observation window (11) facilitating the observation of the spring plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320964852.7U CN219678106U (en) | 2023-04-26 | 2023-04-26 | Ceramic gas discharge tube surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320964852.7U CN219678106U (en) | 2023-04-26 | 2023-04-26 | Ceramic gas discharge tube surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219678106U true CN219678106U (en) | 2023-09-12 |
Family
ID=87928458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320964852.7U Active CN219678106U (en) | 2023-04-26 | 2023-04-26 | Ceramic gas discharge tube surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219678106U (en) |
-
2023
- 2023-04-26 CN CN202320964852.7U patent/CN219678106U/en active Active
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| GR01 | Patent grant |