CN114844025A - Onboard surge protector - Google Patents

Onboard surge protector Download PDF

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Publication number
CN114844025A
CN114844025A CN202210599166.4A CN202210599166A CN114844025A CN 114844025 A CN114844025 A CN 114844025A CN 202210599166 A CN202210599166 A CN 202210599166A CN 114844025 A CN114844025 A CN 114844025A
Authority
CN
China
Prior art keywords
base
conducting strip
tripping
remote signaling
piece
Prior art date
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.)
Pending
Application number
CN202210599166.4A
Other languages
Chinese (zh)
Inventor
苏国强
胡伊达
魏岑权
苏靖
银引森
章近安
邹俊卿
张彭春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radin Electric Technology Co ltd
Original Assignee
Radin Electric Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Radin Electric Technology Co ltd filed Critical Radin Electric Technology Co ltd
Priority to CN202210599166.4A priority Critical patent/CN114844025A/en
Publication of CN114844025A publication Critical patent/CN114844025A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Breakers (AREA)

Abstract

The invention relates to a board-mounted surge protector which comprises a base, an upper cover, a lightning protection module, an input pin, an output conducting strip and a thermal tripping mechanism, wherein the thermal tripping mechanism is arranged on the base and matched with the output conducting strip, the thermal tripping mechanism comprises a thermal tripping sheet, a tripping indicating piece and a tension spring, the thermal tripping sheet is arranged on the base, one end of the thermal tripping sheet is provided with an output pin part extending out of the base, the other end of the thermal tripping sheet is welded on the output conducting strip in a tin welding mode, a tripping shifting sheet abutting against the thermal tripping sheet and the output conducting strip is arranged on the tripping indicating piece, when the thermal tripping sheet carries out tripping action, the tripping shifting sheet is arranged between the thermal tripping sheet and the output conducting strip in a blocking mode, and a remote communication module matched with the tripping piece is arranged on the base. The invention has the advantages of simple structure, stable and reliable performance, small volume, thermal trip function and remote signaling function.

Description

Onboard surge protector
Technical Field
The invention relates to a surge protector, in particular to a board-mounted 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. 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. With the development of electronic components to be more and more miniaturized and integrated, the conventional structure is far from meeting the development requirements of the prior art in the case of a high-density layout component circuit board with limited area and space, especially with great limitation in the height direction. In order to meet the requirements of integral integration and volume miniaturization of the power supply. Therefore, a new design of the structure of the conventional on-board surge protector is required. Most of the traditional onboard surge protectors do not have a thermal trip function and a remote signaling function, so that the traditional onboard surge protectors have the defects of complex structures, unreliable performance and large size.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an onboard surge protector which is simple in structure, stable and reliable in performance, small in size and has a thermal trip function and a remote signaling function.
In order to achieve the purpose, the invention adopts a board-mounted surge protector which comprises a base, an upper cover, a lightning protection module arranged in the base, an input pin arranged at one end of the lightning protection module, an output conducting strip arranged at the other end of the lightning protection module, and a thermal tripping mechanism arranged on the base and matched with the output conducting strip, the thermal tripping mechanism comprises a thermal tripping sheet, a tripping indicating piece and a tension spring which are arranged on the base, one end of the thermal trip sheet is provided with an output pin part extending outside the base, the other end of the thermal trip sheet is soldered on the output conductive sheet, the tripping indicator is provided with a tripping plectrum which is abutted between the thermal tripping sheet and the output conducting sheet, when the thermal trip piece executes the tripping action, the trip plectrum separates the gear between the thermal trip piece and the output conducting strip, and the base is provided with a remote signaling module matched with the trip piece.
The beneficial effect of above-mentioned structure is: the thermal tripping mechanism can play a role in overheat protection, when a circuit is abnormal, the thermal tripping sheet is disconnected with the output conducting strip, the tripping shifting sheet of the tripping indicating piece is separated between the thermal tripping sheet and the output conducting strip, the phenomenon of false-proof protection cannot occur, and the damage of secondary lightning stroke on rear-end equipment under the condition of no protection is avoided. The trip indicating piece can realize the fault indication of the onboard surge protector, the trip poking piece can quickly separate the thermal trip piece and the output conducting strip, the trip sensitivity and the reliability of the thermal trip mechanism are favorably improved, the trip indicating piece can trigger the remote signaling module, and the background can monitor the fault signal of the remote signaling module, so that the onboard surge protector can realize the remote fault monitoring function. Therefore, the onboard surge protector has the advantages of simple structure, stable and reliable performance, small size, thermal tripping function and remote signaling function.
Particularly, the telecommand module comprises a first telecommand conducting strip arranged in the base and a second telecommand conducting strip arranged in the base and matched with the first telecommand conducting strip, one end of the first telecommand conducting strip is provided with a first pin part extending out of the base, the other end of the first telecommand conducting strip is provided with a first contact part, one end of the second telecommand conducting strip is provided with a second pin part extending out of the base, the other end of the second telecommand conducting strip is provided with a second contact part, the first contact part and the second contact part are clamped in a limiting groove of the tripping indicating piece, the connection between the first telecommand conducting strip and the second telecommand conducting strip can be realized, the tripping indicating piece is provided with a pushing block inserted between the first telecommand conducting strip, the pushing block moves along with the tripping indicating piece and can be separated between the first contact part and the second contact part, and the first remote signaling conducting strip can be disconnected from the second remote signaling conducting strip. The remote signaling module can send a fault signal to a background, so that the remote fault monitoring function of the onboard surge protector can be realized. The remote signaling module is simple in structural design. When the onboard surge protector is thermally tripped, the trip indicating piece drives the first remote signaling conducting strip and the second remote signaling conducting strip to act, and the first remote signaling conducting strip and the second remote signaling conducting strip are disconnected, so that a background can monitor a fault signal of the onboard surge protector, and the onboard surge protector is favorable for improving the working reliability of the onboard surge protector. The first remote signaling conducting strip and the second remote signaling conducting strip are welded with the PCB through a tin bronze tinning process, so that the welding efficiency is higher, the oxygen resistance is higher, and the welding is more reliable. The pushing block can be separated between the first contact part and the second contact part, so that the risk of false alarm is effectively solved.
Particularly, the base is provided with a limiting groove corresponding to the first remote signaling conducting plate and the second remote signaling conducting plate respectively, the first remote signaling conducting plate and the second remote signaling conducting plate are clamped in the limiting groove respectively, and the base is provided with a clamping plate clamped on the first remote signaling conducting plate and the second remote signaling conducting plate. First remote signalling conducting strip, second remote signalling conducting strip and base adopt the joint cooperation mode to be connected to be convenient for the assembly of first remote signalling conducting strip, second remote signalling conducting strip and base, and the cardboard can compress tightly first remote signalling conducting strip, second remote signalling conducting strip on the base, can guarantee that first remote signalling conducting strip, second remote signalling conducting strip are connected compacter with the base.
In particular, the two sides of the pushing block are respectively provided with a driving inclined plane matched with the first contact part and the second contact part. The driving inclined plane on the push block can quickly push the first contact part and the second contact part, so that the first remote signaling conducting plate and the second remote signaling conducting plate can be quickly and reliably disconnected, and the working reliability of the remote signaling module is improved.
Particularly, the tripping shifting piece is provided with a guide inclined plane matched with the thermal tripping piece. The guide inclined plane can reliably drive the thermal trip sheet to act, and the trip poking sheet can be quickly separated between the thermal trip sheet and the output conducting sheet, so that the sensitivity and the reliability of the thermal trip mechanism can be improved.
Particularly, one end of the tripping indicator is provided with an indicating part, and an indicating window is arranged on the upper cover corresponding to the indicating part. Be provided with the instruction window on the upper cover to the user can audio-visually observe this board and carry surge protector's operating condition.
Particularly, a positioning rod is arranged on the base corresponding to the tripping indicating piece, a limiting space is formed between the positioning rod and the base, and the tripping indicating piece is arranged in the limiting space in a sliding mode. The locating lever can play limiting displacement to the dropout pilot part, can guarantee that the dropout pilot part can reliably carry out and instruct the action to be favorable to improving this board carried surge protector's instruction precision.
Particularly, the base is provided with clamping grooves corresponding to two ends of the positioning rod respectively, and the two ends of the positioning rod are clamped in the clamping grooves respectively and form clamping matching of the positioning rod and the base. The base is connected with the positioning rod in a clamping matching mode, so that the base and the positioning rod are convenient to assemble, and the assembly is more convenient.
Particularly, a positioning block is arranged on one side of the tripping indicating piece corresponding to the positioning rod, a limiting block is arranged on the other side of the tripping indicating piece corresponding to the positioning rod, a guide space is formed between the positioning block and the limiting block, and the positioning rod clamped in the guide space is connected with the positioning rod in a sliding mode to form sliding connection matching of the tripping indicating piece and the positioning rod. The tripping indicating piece is matched with the positioning rod in a sliding connection mode, so that the tripping indicating piece can reliably act, and the indicating accuracy of the tripping indicating piece is improved.
Particularly, the limiting block is provided with a hanging rod, one end of the spring is clamped on the hanging rod, a positioning column is arranged on the base corresponding to the spring, and the other end of the spring is clamped on the positioning column. The spring coupling is between the stopper and the base of dropout pilot part, and the assembly of the dropout pilot part of being convenient for and spring, base can guarantee that the dropout pilot part can reliably reset, and the action of dropout pilot part is more sensitive.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a first perspective internal structure diagram according to an embodiment of the invention.
Fig. 3 is an internal structure diagram of a second viewing angle according to an embodiment of the invention.
Fig. 4 is a perspective view of a trip indicator of an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the invention is a board-mounted surge protector, which includes a base 10, an upper cover 11, a lightning protection module 12 disposed in the base 10, an input pin 13 disposed at one end of the lightning protection module 12, an output conducting strip 14 disposed at the other end of the lightning protection module 12, and a thermal trip mechanism 20 disposed on the base 10 and matched with the output conducting strip 14, wherein the thermal trip mechanism 20 includes a thermal trip plate 21 disposed on the base 10, a trip indicator 22, and a tension spring 23, one end of the thermal trip plate 21 has an output pin 211 extending outside the base 10, the other end of the thermal trip plate 21 is soldered on the output conducting strip 14, the trip indicator 22 is provided with a trip dial 221 abutting against between the thermal trip plate 21 and the output conducting strip 14, when the thermal trip dial 21 performs a trip operation, the trip dial 221 is positioned between the thermal trip dial 21 and the output conducting strip 14, the base 10 is provided with a remote signaling module 30 matched with the fastening piece 21.
As shown in fig. 3 and 4, the remote signaling module 30 includes a first remote signaling conductive sheet 31 disposed in the base 10, and a second remote signaling conductive sheet 32 disposed in the base 10 and engaged with the first remote signaling conductive sheet 31, wherein one end of the first remote signaling conductive sheet 31 has a first pin 311 extending outside the base 10, the other end of the first remote signaling conductive sheet 31 has a first contact 312, one end of the second remote signaling conductive sheet 32 has a second pin 321 extending outside the base 10, the other end of the second remote signaling conductive sheet 32 has a second contact 322, the first contact 311 and the second contact 322 are engaged with the limiting groove 222 of the trip indicator 22, and can connect the first remote signaling conductive sheet 31 and the second remote signaling conductive sheet 31, the trip indicator 22 is provided with a pushing block 223 inserted between the first remote signaling conductive sheet 31 and the second remote signaling conductive sheet 32, the pushing block 223 acts with the trip indicator 22 and can be separated between the first contact 312 and the second contact 322, and can disconnect the first telecommand conducting strip 31 from the second telecommand conducting strip 32. The remote signaling module can send a fault signal to a background, so that the remote fault monitoring function of the onboard surge protector can be realized. The remote signaling module is simple in structural design. When the onboard surge protector is thermally tripped, the trip indicating piece drives the first remote signaling conducting strip and the second remote signaling conducting strip to act, and the first remote signaling conducting strip and the second remote signaling conducting strip are disconnected, so that a background can monitor a fault signal of the onboard surge protector, and the onboard surge protector is favorable for improving the working reliability of the onboard surge protector. The base 10 is provided with a limiting groove 101 corresponding to the first and second remote signaling conducting strips 31 and 32, the first and second remote signaling conducting strips 31 and 32 are respectively clamped in the limiting groove 101, and the base 10 is provided with a clamping plate 15 clamped on the first and second remote signaling conducting strips 31 and 32. The first remote signaling conducting plate and the second remote signaling conducting plate are connected with the base in a clamping matching mode, so that the first remote signaling conducting plate and the second remote signaling conducting plate can be assembled with the base conveniently, the first remote signaling conducting plate and the second remote signaling conducting plate can be tightly pressed on the base by the clamping plate, and the first remote signaling conducting plate and the second remote signaling conducting plate can be connected with the base more compactly. The two sides of the pushing block 223 are respectively provided with a driving inclined plane 224 which is matched with the first contact part 312 and the second contact part 322. The driving inclined plane on the push block can quickly push the first contact part and the second contact part, so that the first remote signaling conducting plate and the second remote signaling conducting plate can be quickly and reliably disconnected, and the working reliability of the remote signaling module is improved. The first remote signaling conducting strip and the second remote signaling conducting strip are welded with the PCB through a tin bronze tinning process, so that the welding efficiency is higher, the oxygen resistance is stronger, and the welding is more reliable. The pushing block can be separated between the first contact part and the second contact part, so that the risk of false alarm is effectively solved.
As shown in fig. 2 and 4, the trip pick 221 is provided with a guide slope 225 which is matched with the thermal trip plate 21. The guide inclined plane can reliably drive the thermal trip sheet to act, and the trip poking sheet can be quickly separated between the thermal trip sheet and the output conducting sheet, so that the sensitivity and the reliability of the thermal trip mechanism can be improved. One end of the trip indicator 22 has an indicating part 226, and the upper cover 11 is provided with an indicating window 111 corresponding to the indicating part 226. Be provided with the instruction window on the upper cover to the user can audio-visually observe this board and carry surge protector's operating condition. A positioning rod 16 is arranged on the base 10 corresponding to the trip indicating member 22, a limiting space is formed between the positioning rod 16 and the base 10, and the trip indicating member 22 is slidably arranged in the limiting space. The locating lever can play limiting displacement to the dropout pilot part, can guarantee that the dropout pilot part can reliably carry out and instruct the action to be favorable to improving this board carried surge protector's instruction precision. The base 10 is provided with two slots 102 at two ends corresponding to the positioning rod 16, and two ends of the positioning rod 16 are respectively clamped in the slots 102 to form clamping cooperation between the positioning rod 16 and the base 10. The base is connected with the positioning rod in a clamping matching mode, so that the base and the positioning rod can be assembled conveniently, and the assembly is more convenient. A positioning block 227 is arranged on one side of the trip indicating member 22 corresponding to the positioning rod 16, a limiting block 228 is arranged on the other side of the trip indicating member 22 corresponding to the positioning rod 16, a guiding space 220 is formed between the positioning block 228 and the limiting block 227, and the positioning rod 16 clamped in the guiding space is connected with the tripping indicating member 22 in a sliding manner and matched with the positioning rod 16. The tripping indicating piece is matched with the positioning rod in a sliding connection mode, so that the tripping indicating piece can reliably act, and the indicating accuracy of the tripping indicating piece is improved. The positioning rod can play a guiding role in the tripping indicating piece, the product false protection phenomenon caused by clamping stagnation of the tripping indicating piece is solved, and the rear-end equipment is prevented from being damaged by secondary lightning stroke under the condition of no protection.
The limit block 227 is provided with a hanging rod 229, one end of the spring 23 is clamped on the hanging rod 229, the base 10 is provided with a positioning column 103 corresponding to the spring 23, and the other end of the spring 23 is clamped on the positioning column 103. The spring coupling is between the stopper and the base of dropout pilot part, and the assembly of the dropout pilot part of being convenient for and spring, base can guarantee that the dropout pilot part can reliably reset, and the action of dropout pilot part is more sensitive.
The thermal tripping mechanism can play a role in overheat protection, when a circuit is abnormal, the thermal tripping sheet is disconnected with the output conducting strip, the tripping shifting sheet of the tripping indicating piece is separated between the thermal tripping sheet and the output conducting strip, the phenomenon of false-proof protection cannot occur, and the damage of secondary lightning stroke on rear-end equipment under the condition of no protection is avoided. The trip indicating piece can realize the fault indication of the onboard surge protector, the trip poking piece can quickly separate the thermal trip piece and the output conducting strip, the trip sensitivity and the reliability of the thermal trip mechanism are favorably improved, the trip indicating piece can trigger the remote signaling module, and the background can monitor the fault signal of the remote signaling module, so that the onboard surge protector can realize the remote fault monitoring function. Therefore, the onboard surge protector has the advantages of simple structure, stable and reliable performance, small size, thermal tripping function and remote signaling function.

Claims (10)

1. A board carries surge protector which characterized in that: including base, upper cover, the lightning protection module of setting in the base, set up at the input of lightning protection module one end participate in, set up at the output conducting strip of the lightning protection module other end, set up on the base and with output conducting strip matched with thermal trip mechanism, thermal trip mechanism including setting up thermal trip piece, dropout indicator, the extension spring on the base, thermal trip piece one end have the output pin portion of extending outside the base, thermal trip piece other end tin welding is on the output conducting strip, the dropout indicator on be provided with the conflict and trip the plectrum between thermal trip piece and output conducting strip, thermal trip piece when carrying out the tripping action, the dropout plectrum separate the shelves between thermal trip piece and output conducting strip, the base on be provided with the remote signaling module with trip piece matched with.
2. An on-board surge protector as defined in claim 1, wherein: the remote signaling module comprises a first remote signaling conducting strip arranged in the base and a second remote signaling conducting strip arranged in the base and matched with the first remote signaling conducting strip, wherein one end of the first remote signaling conducting strip is provided with a first pin part extending out of the base, the other end of the first remote signaling conducting strip is provided with a first contact part, one end of the second remote signaling conducting strip is provided with a second pin part extending out of the base, the other end of the second remote signaling conducting strip is provided with a second contact part, the first contact part and the second contact part are clamped in a limiting groove of the tripping indicating piece, the first remote signaling conducting strip and the second remote signaling conducting strip can be communicated, the tripping indicating piece is provided with a pushing block which is inserted between the first remote signaling conducting strip and the second remote signaling conducting strip, the pushing block acts along with the tripping indicating piece and can be separated between the first contact part and the second contact part, and the first remote signaling conducting strip can be disconnected from the second remote signaling conducting strip.
3. The on-board surge protector of claim 2, wherein the base is provided with a limiting groove corresponding to the first and second remote signaling conducting strips, the first and second remote signaling conducting strips are respectively engaged in the limiting groove, and the base is provided with a snap-gauge engaged with the first and second remote signaling conducting strips.
4. An on-board surge protector as defined in claim 2, wherein said pushing block is provided on both sides thereof with driving slopes for engaging with said first and second contact portions, respectively.
5. An on-board surge protector as defined in claim 1 or 2, wherein: the tripping shifting piece is provided with a guide inclined plane matched with the thermal tripping piece.
6. An on-board surge protector as defined in claim 1 or 2, wherein: one end of the tripping indicating piece is provided with an indicating part, and an indicating window is arranged on the upper cover corresponding to the indicating part.
7. An on-board surge protector as defined in claim 1 or 2, wherein: the base is provided with a positioning rod corresponding to the tripping indicating piece, a limiting space is formed between the positioning rod and the base, and the tripping indicating piece is arranged in the limiting space in a sliding manner.
8. An on-board surge protector as defined in claim 7, wherein: the base on correspond the both ends punishment of locating lever and be provided with the draw-in groove respectively, the both ends of locating lever block respectively in the draw-in groove, and constitute the joint cooperation of locating lever and base.
9. An on-board surge protector as defined in claim 7, wherein: the trip indicating part is provided with a positioning block at one side corresponding to the positioning rod, the trip indicating part is provided with a limiting block at the other side corresponding to the positioning rod, a guide space is formed between the positioning block and the limiting block, and the positioning rod clamped in the guide space is connected with the positioning rod in a sliding manner to form the matching of the trip indicating part and the positioning rod.
10. An on-board surge protector as defined in claim 9, wherein: the limiting block is provided with a hanging rod, one end of the spring is clamped on the hanging rod, a positioning column is arranged on the base corresponding to the spring, and the other end of the spring is clamped on the positioning column.
CN202210599166.4A 2022-05-30 2022-05-30 Onboard surge protector Pending CN114844025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210599166.4A CN114844025A (en) 2022-05-30 2022-05-30 Onboard surge protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210599166.4A CN114844025A (en) 2022-05-30 2022-05-30 Onboard surge protector

Publications (1)

Publication Number Publication Date
CN114844025A true CN114844025A (en) 2022-08-02

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ID=82571475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210599166.4A Pending CN114844025A (en) 2022-05-30 2022-05-30 Onboard surge protector

Country Status (1)

Country Link
CN (1) CN114844025A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117798536A (en) * 2024-02-27 2024-04-02 烟台三水电器有限公司 Welding device for surge protector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117798536A (en) * 2024-02-27 2024-04-02 烟台三水电器有限公司 Welding device for surge protector

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