CN117117636A - High-voltage trigger switch - Google Patents
High-voltage trigger switch Download PDFInfo
- Publication number
- CN117117636A CN117117636A CN202310848660.4A CN202310848660A CN117117636A CN 117117636 A CN117117636 A CN 117117636A CN 202310848660 A CN202310848660 A CN 202310848660A CN 117117636 A CN117117636 A CN 117117636A
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- Prior art keywords
- cathode
- anode
- insulating plate
- insulating
- nut
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007789 sealing Methods 0.000 claims abstract description 45
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000009413 insulation Methods 0.000 claims description 20
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/20—Means for starting arc or facilitating ignition of spark gap
- H01T1/22—Means for starting arc or facilitating ignition of spark gap by the shape or the composition of the electrodes
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- Testing Relating To Insulation (AREA)
Abstract
The application relates to the technical field of high-voltage pulse switches, in particular to a high-voltage trigger switch, which comprises a sealing unit, a first sealing ring, a second sealing ring and a first switch board, wherein the sealing unit comprises an insulating cylinder, a cavity penetrating through one side surface of the insulating cylinder, a first insulating plate and a second insulating plate which are respectively arranged at two sides of the insulating cylinder, the first sealing ring is arranged between the insulating cylinder and the first insulating plate, and the second sealing ring is arranged between the insulating cylinder and the second insulating plate; the pulse unit comprises an anode round head arranged on one side of the first insulating plate, an anode round rod connected to one side surface of the anode round head, a cathode round head arranged on one side of the second insulating plate and a cathode round rod connected to one side surface of the cathode round head, the original electrode structure of the device is improved from an original needle head-disc to a half round head-half round head for testing, and the high pressure resistance of the half round head-half round head structure is obtained according to test data.
Description
Technical Field
The application relates to the technical field of high-voltage pulse switches, in particular to a high-voltage trigger switch.
Background
The gas spark switch is widely applied to the detection sensor and has the irreplaceable advantages that the working voltage of the gas spark switch can reach tens KV (kilovolts) and the manufacturing cost is relatively low as a high-power closed switch, so that the gas spark switch is widely applied to the pulse power technology;
the gas spark switch electrode structure that adopts at present is syringe needle-disc structure, and current gas spark switch device volume is great not suitable for the simulation high voltage pulse experiment field, consequently need to reduce the volume of device, but discovers after the experiment that the device after the volume is reduced, because the outside cladding has one deck insulation board only, when the switch uses and tests, the switch breaks down in advance when not reaching target voltage, and experimental data indicates that the high voltage resistance of device is relatively poor.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
The present application has been made in view of the above-mentioned problems occurring in the prior art.
Accordingly, it is an object of the present application to provide a high voltage trigger switch, which aims at: the device solves the problems that the existing gas spark switch device is large in size and not suitable for the field of high-voltage pulse simulation experiments, and experimental data show that the high-voltage resistance of the device is poor after the size of the device is reduced.
In order to solve the technical problems, the application provides the following technical scheme: the high-voltage trigger switch comprises a sealing unit, a first sealing ring, a second sealing ring and a first switch, wherein the sealing unit comprises an insulating cylinder, a cavity penetrating through the surface of one side of the insulating cylinder, a first insulating plate and a second insulating plate which are respectively arranged on two sides of the insulating cylinder, the first sealing ring is arranged between the insulating cylinder and the first insulating plate, and the second sealing ring is arranged between the insulating cylinder and the second insulating plate;
the pulse unit comprises an anode round head arranged on one side of the first insulating plate, an anode round rod connected to one side surface of the anode round head, a cathode round head arranged on one side of the second insulating plate and a cathode round rod connected to one side surface of the cathode round head.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the sealing unit further comprises insulation rings arranged on one side of the first insulation plate and one side of the second insulation plate respectively, a first through hole which is arranged in a circumferential array is formed in one side surface of the insulation ring, a second through hole which is arranged in a circumferential array is formed in one side surface of the insulation cylinder, a third through hole which is arranged in a circumferential array is formed in one side surface of the first insulation plate and one side surface of the second insulation plate respectively, a fourth through hole and a threaded through hole are formed in the center position of one side surface of the first insulation plate, the threaded through holes are located above the cavity, and a fifth through hole is formed in the center position of one side surface of the second insulation plate and corresponds to the fourth through hole.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the sealing unit further comprises a fixing assembly, the fixing assembly comprises a connecting bolt, a gasket and a flange nut, the connecting bolt is connected with the first through hole, the second through hole and the third through hole in a penetrating mode, the gasket is sleeved on the connecting bolt and arranged between the insulating ring and the cap head of the connecting bolt, and the flange nut is connected to one end of the connecting bolt.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the pulse unit further comprises a third sealing ring arranged between the anode round head and the first insulating plate, a fourth sealing ring arranged between the cathode round head and the second insulating plate, a first connecting piece connected to one end of the anode round rod and a second connecting piece connected to one end of the cathode round rod.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the anode round head and the cathode round head are arranged in the cavity, the anode round rod is connected with the fourth through hole in a penetrating mode, the cathode round rod is connected with the fifth through hole in a penetrating mode, and threads are arranged at one ends, far away from the cavity, of the anode round rod and the cathode round rod.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the first connecting piece comprises a first nut and a second nut, wherein the first nut and the second nut are in threaded connection with the anode round rod, and are arranged on one side, far away from the cavity, of the first insulating plate.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the second connecting piece comprises a third nut and a fourth nut, wherein the third nut and the fourth nut are in threaded connection with the cathode round rod, and are arranged on one side, far away from the cavity, of the second insulating plate.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the pneumatic connector is connected with the threaded through hole, and two ends of the pneumatic connector are respectively communicated with the three-way air passage and the cavity.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: the anode round rod is electrically connected with the voltage anode, and the cathode round rod is electrically connected with the voltage cathode and the ground wire respectively.
As a preferred embodiment of the high voltage trigger switch according to the present application, wherein: inert gas is filled in the cavity, the anode round head and the cathode round head are both semicircular, and are made of copper chrome plating materials, and mirror polishing of the electrode is guaranteed during processing.
The application has the beneficial effects that: the original electrode structure of the device is improved from the original needle head-disc to be a half-round head-half-round head for testing, and the high-pressure resistance of the half-round head-half-round head structure is better obtained according to test data.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 and 2 are schematic views of the overall structure of the high voltage trigger switch of the present application.
Fig. 3 is a cross-sectional view of the high voltage trigger switch of the present application.
Fig. 4 is an experimental circuit diagram of the high voltage trigger switch of the present application.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will become more readily apparent, a more particular description of the application will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the application. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present application in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1 to 3, for the first embodiment of the present application, a high voltage trigger switch is provided, in which the original electrode structure is improved from the original needle-disc to the half-head-half-head for testing, and the high voltage resistance of the half-head-half-head structure is better obtained from the test data.
The sealing unit 100 comprises an insulating cylinder 101, a cavity 102 penetrating through one side surface of the insulating cylinder 101, a first insulating plate 103 and a second insulating plate 104 respectively arranged on two sides of the insulating cylinder 101, a first sealing ring 105 arranged between the insulating cylinder 101 and the first insulating plate 103, and a second sealing ring 106 arranged between the insulating cylinder 101 and the second insulating plate 104.
Specifically, the sealing unit 100 is configured to provide a closed space for the cavity 102; the insulating cylinder 101 is cylindrical and made of acrylic material; the cavity 102 is completely penetrated and arranged in the insulating cylinder 101 and is used for providing an insulating and airtight environment for the anode round head 201 and the cathode round head 203; the first insulating plate 103 and the second insulating plate 104 have the same size and structure and are made of acrylic materials, and can completely cover openings at two ends of the cavity 102; the first sealing ring 105 is fixedly connected with the first insulating plate 103 and is movably connected with one end surface of the insulating cylinder 101, and the diameter of the first sealing ring is larger than that of the cavity 102, so that the first insulating plate 103 is extruded, and then the first sealing ring 105 is extruded, so that one end of the cavity 102 is sealed; the second sealing ring 106 is fixedly connected with the second insulating plate 104 and is movably connected with one end surface of the insulating cylinder 101, the size of the second sealing ring is the same as that of the first sealing ring, and the second sealing ring and the first sealing ring are made of silicone rubber, so that the second insulating plate 103 is extruded, the second sealing ring 106 is extruded, and the other end of the cavity 102 is sealed.
The pulse unit 200 includes an anode button 201 disposed on one side of the first insulating plate 103, an anode button 202 connected to one side surface of the anode button 201, a cathode button 203 disposed on one side of the second insulating plate 104, and a cathode button 204 connected to one side surface of the cathode button 203.
Specifically, the pulse unit 200 is used for improving the high voltage resistance of the switch; anode button 201 is fixedly connected with anode button 202, cathode button 203 is fixedly connected with cathode button 204, anode button 201 is located directly over cathode button 203, anode button 202 and cathode button 204 are respectively used for conducting electricity to anode button 201 and cathode button 203.
Example 2
Referring to fig. 1 to 3, a second embodiment of the present application is based on the first embodiment.
Further, the sealing unit 100 further includes an insulating ring 107 disposed on one side of the first insulating plate 103 and the second insulating plate 104, a first through hole 107a disposed in a circumferential array is formed on a surface of one side of the insulating ring 107, a second through hole 101a disposed in a circumferential array is formed on a surface of one side of the insulating cylinder 101, a third through hole 103a disposed in a circumferential array is formed on a surface of one side of the first insulating plate 103 and a surface of one side of the second insulating plate 104, a fourth through hole 103b and a threaded through hole 103c are formed in a central position of a surface of one side of the first insulating plate 103, the threaded through hole 103c is located above the cavity 102, a fifth through hole 104a is formed in a central position of a surface of one side of the second insulating plate 104, and the fifth through hole 104a corresponds to the fourth through hole 103 b.
Specifically, two insulating rings 107 are used to connect the insulating cylinder 101 and the first insulating plate 103 and the second insulating plate 104 together, so as to seal the cavity 102; 8 first through holes 107a are formed in one side surface of the insulating ring 107, and penetrate through the insulating ring 107 completely; 8 third through holes 103a are formed in one side surface of each of the first insulating plate 103 and the second insulating plate 104, and penetrate through the first insulating plate 103 and the second insulating plate 104 completely; 8 second through holes 101a are formed in one side surface of the insulating cylinder 101 and completely penetrate through the insulating cylinder 101;
further, the sealing unit 100 further includes a fixing assembly 108, where the fixing assembly 108 includes a connecting bolt 108a, a spacer 108b and a flange nut 108c, the connecting bolt 108a is penetratingly connected to the first through hole 107a, the second through hole 101a and the third through hole 103a, the spacer 108b is sleeved on the connecting bolt 108a and is disposed between the insulating ring 107 and a cap of the connecting bolt 108a, and the flange nut 108c is connected to one end of the connecting bolt 108 a.
Specifically, the connecting bolt 108a and the flange nut 108c are used in cooperation, so as to tightly connect the insulating cylinder 101, the insulating ring 107, the first insulating plate 103 and the second insulating plate 104, and fine adjustment of the distance between the anode button head 201 and the cathode button head 203 can be realized; damage to the parts is prevented by the provision of the spacers 108 b;
further, the pulse unit 200 further includes a third sealing ring 205 disposed between the anode button 201 and the first insulating plate 103, a fourth sealing ring 206 disposed between the cathode button 203 and the second insulating plate 104, a first connecting member 207 connected to one end of the anode button 202, and a second connecting member 208 connected to one end of the cathode button 204.
Specifically, the third sealing ring 205 is used for sealing the connection between the anode round rod 102 and the fourth through hole 103b, and the fourth sealing ring 206 is used for sealing the connection between the cathode round rod 104 and the fifth through hole 104 a.
Further, the anode round head 201 and the cathode round head 203 are both disposed in the cavity 102, the anode round rod 202 is connected with the fourth through hole 103b in a penetrating manner, the cathode round rod 204 is connected with the fifth through hole 104a in a penetrating manner, and threads are disposed at one ends of the anode round rod 202 and the cathode round rod 204 far away from the cavity 102.
Further, the first connection member 207 includes a first nut 207a and a second nut 207b, and the first nut 207a and the second nut 207b are screwed with the anode rod 202 and are disposed on a side of the first insulation plate 103 away from the cavity 102.
Specifically, the first connector 207 is used to fix the anode dome 201 and seal the cavity 102; the first nut 207a and the second nut 207b are matched for use, so that the clamping connection of the positive electrode wire is realized.
Further, the second connecting member 208 includes a third nut 208a and a fourth nut 208b, and the third nut 208a and the fourth nut 208b are screwed with the cathode rod 204 and are disposed on a side of the second insulating plate 104 away from the cavity 102.
The second connecting piece 208 is used for fixing the cathode round head 203 and sealing the cavity 102; the third nut 208a and the fourth nut 208b are matched for use, so that the clamping connection of the negative electrode wire is realized.
Example 3
Referring to fig. 1 to 4, a third embodiment of the present application is based on the second embodiment.
Further, the device also comprises a pneumatic connector 300, wherein the pneumatic connector 300 is connected with the threaded through hole 103c, and two ends of the pneumatic connector 300 are respectively communicated with the three-way air passage and the cavity 102.
Specifically, the pneumatic connector is used for connecting a three-way air passage to realize inflation, deflation and vacuum pumping in the cavity 102.
Further, the anode round bar 202 is electrically connected with the voltage anode, the cathode round bar 204 is electrically connected with the voltage cathode and the ground wire respectively, and the voltage cathode is connected with the ground wire while being connected with the voltage cathode, so that static electricity can be released, and interference caused by charge accumulation is avoided; the cavity 102 is filled with inert gas, and the anode round head 201 and the cathode round head 203 are both semicircular, are made of copper chrome plating materials and ensure mirror polishing of the electrode during processing.
In order to verify the stability of the device after improving the structure, the air connector 300 is used for vacuumizing the cavity 102, then inert gas is injected into the cavity 102, the air pressure in the cavity 102 is regulated to 0.3Mpa, the distance between the anode round head 201 and the cathode round head 203 is finely regulated by screwing the flange nut 108c, the initial distance between the anode round head 201 and the cathode round head 203 is 3mm, the distance between the anode round head 201 and the cathode round head 203 is sequentially increased by 1mm under the condition that the air pressure is unchanged by 0.3Mpa, the voltage positive cathode is connected with a circuit shown in fig. 4, self-breakdown test data are shown in the following table (for testing safety, the device is practically finished only by more than 50 kv), and the device is verified to have better high-pressure resistance after the structure is improved.
The working principle and the using flow of the application are as follows: the inside of the cavity 102 is vacuumized through the pneumatic connector 300, then inert gas is injected into the cavity 102, the air pressure in the cavity 102 is modulated to be a fixed air pressure value, the positive and negative voltage circuits are connected as shown in fig. 4, U is a power supply, A is a current monitoring meter, R is 1 to 3 current limiting resistors connected in series, a self-breakdown test is performed, the test is performed by changing the distance between the anode round head 201 and the cathode round head 203 and the air pressure in the cavity, and experimental conditions are observed and recorded through the insulating cylinder 101.
It should be noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, which is intended to be covered in the scope of the claims of the present application.
Claims (10)
1. A high voltage trigger switch, characterized by: comprising the steps of (a) a step of,
the sealing unit (100) comprises an insulating cylinder (101), a cavity (102) penetrating through one side surface of the insulating cylinder (101), a first insulating plate (103) and a second insulating plate (104) which are respectively arranged on two sides of the insulating cylinder (101), a first sealing ring (105) arranged between the insulating cylinder (101) and the first insulating plate (103) and a second sealing ring (106) arranged between the insulating cylinder (101) and the second insulating plate (104);
the pulse unit (200) comprises an anode round head (201) arranged on one side of the first insulating plate (103), an anode round rod (202) connected to one side surface of the anode round head (201), a cathode round head (203) arranged on one side of the second insulating plate (104), and a cathode round rod (204) connected to one side surface of the cathode round head (203).
2. The high voltage trigger switch of claim 1 wherein: the sealing unit (100) further comprises insulation rings (107) arranged on one side of the first insulation plate (103) and one side of the second insulation plate (104), first through holes (107 a) arranged in a circumferential array are formed in one side surface of the insulation rings (107), second through holes (101 a) arranged in a circumferential array are formed in one side surface of the insulation cylinder (101), third through holes (103 a) arranged in a circumferential array are formed in one side surface of the first insulation plate (103) and one side surface of the second insulation plate (104), fourth through holes (103 b) and threaded through holes (103 c) are formed in the center position of one side surface of the first insulation plate (103), the threaded through holes (103 c) are located above the cavity (102), fifth through holes (104 a) are formed in the center position of one side surface of the second insulation plate (104), and the fifth through holes (104 a) correspond to the fourth through holes (103 b).
3. The high voltage trigger switch of claim 2 wherein: the sealing unit (100) further comprises a fixing assembly (108), the fixing assembly (108) comprises a connecting bolt (108 a), a gasket (108 b) and a flange nut (108 c), the connecting bolt (108 a) is connected with the first through hole (107 a), the second through hole (101 a) and the third through hole (103 a) in a penetrating mode, the gasket (108 b) is sleeved on the connecting bolt (108 a) and is arranged between the insulating ring (107) and the cap head of the connecting bolt (108 a), and the flange nut (108 c) is connected with one end of the connecting bolt (108 a).
4. A high voltage trigger switch as claimed in claim 3 wherein: the pulse unit (200) further comprises a third sealing ring (205) arranged between the anode round head (201) and the first insulating plate (103), a fourth sealing ring (206) arranged between the cathode round head (203) and the second insulating plate (104), a first connecting piece (207) connected to one end of the anode round rod (202) and a second connecting piece (208) connected to one end of the cathode round rod (204).
5. The high voltage trigger switch of claim 4 wherein: anode button head (201) and cathode button head (203) all set up in cavity (102), anode button pole (202) through-connection fourth through-hole (103 b), cathode button pole (204) through-connection in fifth through-hole (104 a), anode button pole (202) and cathode button pole (204) keep away from one end of cavity (102) all are provided with the screw thread.
6. The high voltage trigger switch of claim 4 or 5, wherein: the first connecting piece (207) comprises a first nut (207 a) and a second nut (207 b), wherein the first nut (207 a) and the second nut (207 b) are in threaded connection with the anode round rod (202), and are arranged on one side, far away from the cavity (102), of the first insulating plate (103).
7. The high voltage trigger switch of claim 6 wherein: the second connecting piece (208) comprises a third nut (208 a) and a fourth nut (208 b), wherein the third nut (208 a) and the fourth nut (208 b) are in threaded connection with the cathode round rod (204), and are arranged on one side, far away from the cavity (102), of the second insulating plate (104).
8. The high voltage trigger switch of claim 7 wherein: the pneumatic connector (300) is connected with the threaded through hole (103 c), and two ends of the pneumatic connector (300) are respectively communicated with the three-way air passage and the cavity (102).
9. The high voltage trigger switch of claim 8 wherein: the anode round rod (202) is electrically connected with the voltage anode, and the cathode round rod (204) is electrically connected with the voltage cathode and the ground wire respectively.
10. The high voltage trigger switch of claim 9 wherein: inert gas is filled in the cavity (102), the anode round head (201) and the cathode round head (203) are both semicircular, and are made of copper chrome plating materials, and the mirror polishing of the electrode is ensured during processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310848660.4A CN117117636A (en) | 2023-07-12 | 2023-07-12 | High-voltage trigger switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310848660.4A CN117117636A (en) | 2023-07-12 | 2023-07-12 | High-voltage trigger switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117117636A true CN117117636A (en) | 2023-11-24 |
Family
ID=88799107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310848660.4A Pending CN117117636A (en) | 2023-07-12 | 2023-07-12 | High-voltage trigger switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117117636A (en) |
-
2023
- 2023-07-12 CN CN202310848660.4A patent/CN117117636A/en active Pending
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