CN218885169U - Sensing device for realizing charged quick installation - Google Patents

Sensing device for realizing charged quick installation Download PDF

Info

Publication number
CN218885169U
CN218885169U CN202222777065.XU CN202222777065U CN218885169U CN 218885169 U CN218885169 U CN 218885169U CN 202222777065 U CN202222777065 U CN 202222777065U CN 218885169 U CN218885169 U CN 218885169U
Authority
CN
China
Prior art keywords
antenna
assembly
mounting
component
sensing device
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.)
Active
Application number
CN202222777065.XU
Other languages
Chinese (zh)
Inventor
高纬栋
陈国伟
孙秉毅
胡淼龙
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.)
ZHEJIANG WIRELESS NETWORK TECHNOLOGY Ltd
Original Assignee
ZHEJIANG WIRELESS NETWORK TECHNOLOGY 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 ZHEJIANG WIRELESS NETWORK TECHNOLOGY Ltd filed Critical ZHEJIANG WIRELESS NETWORK TECHNOLOGY Ltd
Priority to CN202222777065.XU priority Critical patent/CN218885169U/en
Application granted granted Critical
Publication of CN218885169U publication Critical patent/CN218885169U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The utility model discloses a realize electrified sensing device who installs fast, including sensing module and installing module, sensing module with installing module fixed connection, sensing module includes shell, bottom plate, heat conduction probe, antenna, circuit board and battery, the antenna the circuit board with place in the battery the shell with the bottom plate surrounds the chamber that holds that forms. The utility model discloses a realize electrified sensing device who installs fast, sensing module is used for realizing real-time on-line monitoring and the intelligence of power equipment joint temperature and reports an emergency and asks for help or increased vigilance, breaks through unable wiring, unable outer power supply, restriction such as mounted position is narrow and small, and the installing module passes through stationary blade fixed connection and is fast and connect in power equipment through installation body joint in the sensing to realize the electrified quick installation of sensor.

Description

Sensing device for realizing charged quick installation
Technical Field
The utility model belongs to the technical field of power equipment monitoring, concretely relates to realize electrified sensing device who installs fast.
Background
Power equipment is in live working, because reasons such as long-term current pyrogenicity can cause power equipment to connect not hard up, the surrounding environment pollution also can cause the oxidation and the corruption of its contact surface, these all make power equipment connect contact resistance constantly increase to produce the defect of generating heat that is higher than normal temperature of generating heat, if can not in time solve, the defect will constantly aggravate, cause vicious circle, finally lead to the joint to burn out and drop, the pernicious trouble that operation and maintenance personnel and electric wire netting equipment safety were endangered seriously such as wire short circuit takes place.
The heating defect of the joint of the power equipment is a chronic disease in a power system, has the advantages of point-to-multipoint, wide range, high burstiness and difficult defect prevention; the temporary defect elimination is difficult due to the reliability of power supply and the complaint pressure of frequent power failure; the treatment is not timely, large-area power failure is easy to cause, and the harmfulness is wide. Therefore, it is very important to develop a sensing device for realizing the fast installation in a live state.
At present, because the power equipment connects temperature monitoring scene to have the restriction such as unable wiring, unable external power supply, mounted position are narrow and small to the sensor, consequently there is not suitable product on the market temporarily can satisfy above-mentioned requirement simultaneously to because receive the influence of power supply reliability and frequent power failure complaint pressure, the power equipment connects temperature monitoring scene to the sensor, needs it to realize electrified quick installation. Therefore, it is important to develop a sensing device that can be installed quickly in a live state.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a sensing device for realizing the electrified quick installation, a sensing module is used for realizing the real-time online monitoring and intelligent warning of the temperature of a power equipment joint, breaking through the limitations of incapability of wiring, incapability of supplying power externally, narrow installation position and the like, and simultaneously meeting the use requirements of wireless self-power supply and volume miniaturization of a sensor in a power equipment joint temperature measurement scene; installation module passes through stationary blade fixed connection and connects in the power equipment in the sensing soon and through installation body joint to realize the electrified quick installation of sensor, the requirement of not having a power failure when satisfying the sensor installation, it has simple structure, convenient to use and advantage such as with low costs.
To achieve the above object, the utility model provides a realize electrified quick sensor device who installs for electrified quick installation connects in power equipment, including sensing module (be used for monitoring the temperature that power equipment connects) and installation module (be used for installing sensing module in power equipment connects), sensing module with installation module fixed connection, wherein:
the sensing module comprises a shell, a bottom plate, a heat conduction probe, an antenna, a circuit board and a battery, wherein:
the antenna, the circuit board and the battery are arranged in a containing cavity formed by the enclosure and the bottom plate in a surrounding way;
the bottom plate is provided with a heat conduction probe mounting position, the heat conduction probe is mounted at the heat conduction probe mounting position and is in thermal contact with the circuit board (the heat conduction probe is in contact with a power equipment connector so as to conduct heat), and the circuit board is electrically connected with the battery;
the antenna is arranged on the antenna supporting body and is electrically connected with the circuit board through the conducting piece;
the installation module includes integrated into one piece's stationary blade and installation body, wherein:
one side, far away from the mounting body, of the fixing piece is fixedly mounted on the sensing module, and the fixing piece is provided with a sensor mounting assembly;
the mounting body is mounted on a power equipment joint and comprises a third component and a fourth component which are integrally formed, one side of the third component is connected with the mounting body, and the other side of the third component, far away from the mounting body, is connected with the fourth component;
the third assembly is provided with a plurality of second protruding reinforcing rib structures, the fourth assembly bends towards the opposite direction of the second protruding reinforcing rib structures, the fourth assembly is provided with a plurality of elastic control groove parts, and one end, far away from the third assembly, of the fourth assembly is provided with a first installation drawing bridge.
As a further preferable technical solution of the above technical solution, the accommodating cavity is provided with an inner shell, and the battery plate and the battery are both arranged in the inner shell;
the containing cavity is further provided with a metal shell, the metal shell is arranged in the inner shell, the bottom plate is arranged on one side of the metal shell, and the antenna supporting body is arranged on one side, far away from the bottom plate, of the metal shell.
As a further preferable technical solution of the above technical solution, the antenna support includes a body, the body is provided with an antenna mounting point and a hook extends from an outer periphery of the body, wherein:
the antenna is provided with an antenna mounting hole, and the antenna mounting hole is mounted at the antenna mounting point;
the shell is provided with a clamping groove part, and the clamping hook is arranged in the clamping groove part;
the antenna comprises a body, a metal shell and an inner shell, wherein the body is also provided with a guide piece mounting position, one end of the guide piece, which is close to the antenna, is mounted on the guide piece mounting position, and the guide piece sequentially penetrates through the body, the metal shell and the inner shell and then is electrically connected with the circuit board.
As a further preferable aspect of the above technical solution, the inner case includes a first block and a second block, wherein:
the first assembly and the second assembly are detachably connected, the first assembly is positioned at one side close to the antenna support body, and the second assembly is positioned at one side close to the bottom plate;
the first component is provided with a raised guide piece mounting seat, and the guide piece is mounted on the guide piece mounting seat;
the first assembly is provided with an inner shell mounting hole and one side of the metal shell facing the first assembly extends to form a metal lug which is mounted in the inner shell mounting hole.
As a further preferable technical solution of the above technical solution, the bottom plate is provided with a protruding structure extending toward the second component and a mounting structure is provided at one side of the bottom plate, and the bottom plate is further provided with a reinforcing rib structure.
As a further preferable technical solution of the above technical solution, a shape structure of a side of the heat conducting probe close to the power equipment connector matches with the power equipment connector.
As a further preferable technical solution of the above technical solution, the sensor mounting assembly includes a first supporting leg and a second supporting leg, and the first supporting leg and the second supporting leg are bent toward a side of the fixing piece away from the sensing module.
As a further preferable technical solution of the above technical solution, a second installation drawing bridge is provided on one side of the third component close to the fixing piece.
As a further preferable mode of the above-described mode, a shape and a structure of the fourth block are matched with a shape and a structure of the power equipment connector.
As a further preferable mode of the above mode, the fourth member has a circular arc structure.
Drawings
Fig. 1 is an installation schematic diagram of a sensing module of a sensing device of the present invention, which realizes an electrified quick installation.
Fig. 2A is a schematic structural diagram of a sensing module of the sensing device of the present invention for realizing fast installation with electricity.
Fig. 2B is a schematic structural diagram of a sensing module of the sensing device of the present invention for realizing fast installation with electricity.
Fig. 3 is a cross-sectional view of a sensing module of the sensing device of the present invention for realizing the fast installation with electricity.
Fig. 4A is a schematic structural diagram (with the housing hidden) of a sensing module of the sensing device of the present invention, which realizes the quick installation with electricity.
Fig. 4B is a schematic structural diagram of a sensing module of the sensing device according to the present invention (with the housing and the antenna hidden).
Fig. 5A is a schematic structural diagram of a sensing module of a sensing device according to the present invention (with the housing, the antenna, and the antenna support body hidden).
Fig. 5B is a schematic structural diagram of a sensing module of the sensing device according to the present invention (with the housing, the antenna supporting body and the metal shell hidden).
Fig. 6 is a schematic structural diagram of a sensing module of the sensing device according to the present invention (with the housing, the antenna supporting body, the metal shell and the first component hidden).
Fig. 7 is an installation schematic diagram of an installation module of the sensing device of the present invention for realizing the fast installation with electricity.
Fig. 8 is a schematic structural diagram of an installation module of the sensing device of the present invention for realizing fast installation with electricity.
Fig. 9 is a schematic structural diagram of an installation module of the sensing device of the present invention for realizing the quick installation with electricity.
Fig. 10 is a schematic structural diagram of an installation module of a sensing device for realizing rapid installation with electricity according to the present invention.
Fig. 11 is an installation schematic diagram of the sensing device of the present invention for realizing the quick installation with electricity.
The reference numerals include: 100. a sensing module; 110. a housing; 111. a slot clamping part; 120. a base plate; 121. a heat conduction probe mounting position; 122. a raised structure; 123. a mounting structure; 124. a reinforcing rib structure; 130. a heat conducting probe; 140. an antenna; 141. a guide; 142. an antenna mounting hole; 150. a circuit board; 160. a battery; 170. an antenna support; 171. a body; 172. an antenna mounting point; 173. a hook is clamped; 174. a guide member mounting position; 180. an inner shell; 181. a first component; 182. a second component; 183. a guide member mounting base; 184. an inner shell mounting hole; 190. a metal shell; 191. a metal bump; 200. installing a module; 210. a fixing sheet; 211. a sensor mounting assembly; 212. a first supporting leg; 213. a second support leg; 220. installing a body; 221. a third component; 222. a fourth component; 223. a second stiffener structure; 224. secondly, installing a drawing bridge; 225. an elastic control groove portion; 226. a first installation drawing bridge; 300. the power equipment connects.
Detailed Description
The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The underlying principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a realize electrified sensing device who installs fast, combine preferred embodiment below, further describe utility model's concrete embodiment.
In the embodiments of the present invention, those skilled in the art will note that the power equipment connectors and auxiliary tools related to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a realize electrified quick sensor that installs for electrified quick installation connects in power equipment, connect including sensing module 100 (be used for monitoring the temperature that power equipment connects) and installation module 200 (be used for installing sensing module in power equipment), sensing module 100 with installation module 200 fixed connection, wherein:
the sensing module includes a housing 110, a base plate 120, a thermally conductive probe 130, an antenna 140, a circuit board 150, and a battery 160, wherein:
the antenna 140, the circuit board 150 and the battery 160 are disposed in a receiving cavity (not shown) formed by the housing 110 and the bottom plate 120;
the bottom plate 120 is provided with a heat conducting probe mounting position 121, the heat conducting probe 130 is mounted at the heat conducting probe mounting position 121, the heat conducting probe 130 is in thermal contact with (including a thermistor, a temperature sensing chip, and the like of) the circuit board 150 (the heat conducting probe is in contact with a power equipment connector to conduct heat), and the circuit board 150 is electrically connected with the battery 160;
the antenna 140 is mounted on the antenna support 170, and the antenna 140 is electrically connected to the circuit board 150 through the conducting element 141 (the antenna support ensures that the antenna is only in electrical contact with the circuit board, and the antenna transmits the temperature data obtained by the circuit board through the heat conducting probe back to the background in a wireless manner, so that the sensor does not need external power supply or wiring communication, has high integration level, compact structure and small size, and can meet the mounting requirement at a narrow position);
the mounting module includes a fixing piece 210 (having good rigidity) and a mounting body 220 which are integrally formed, wherein:
the side of the fixing plate 210 away from the mounting body 220 is fixedly mounted on the sensing module 100 and the fixing plate 210 is provided with a sensor mounting assembly 211 (for mounting on a sensor);
the mounting body 220 is mounted to the power equipment connector 300 and the mounting body 220 includes a third component 221 and a fourth component 222 (elastic components) which are integrally formed, one side of the third component 221 is connected to the mounting body 220 and one side of the third component 221 away from the mounting body 220 is connected to the fourth component 222;
the third assembly 221 is provided with a plurality of second protruding reinforcing rib structures 223, the fourth assembly 222 is bent towards the protruding opposite direction of the second reinforcing rib structures 223 and provided with a plurality of elastic control groove portions 225 (used for adjusting the elastic strength of the fourth assembly), and one end, away from the third assembly 221, of the fourth assembly 222 is provided with a first installation draw-out bridge 226 (when the fourth assembly is installed on a power equipment connector, the first installation draw-out bridge can be acted on by an auxiliary tool to adjust the size of a bent opening of the fourth assembly, so that the fourth assembly is suitable for power equipment connectors of different sizes).
Specifically, the accommodating cavity is provided with an inner shell 180, and the battery plate 150 and the battery 160 are both arranged in the inner shell 180;
the accommodating cavity is further provided with a metal shell 190, the inner shell 180 is arranged in the metal shell 190, the bottom plate 120 is installed on one side (opening side) of the metal shell 190, and the antenna support 170 is installed on one side of the metal shell 190 away from the bottom plate 120.
Specifically, the antenna support 170 includes a body 171, the body 171 is provided with an antenna mounting point 172, and a hook 173 extends from the outer periphery of the body 171, wherein:
the antenna 140 is provided with an antenna mounting hole 142, and the antenna mounting hole 142 is mounted at the antenna mounting point 172;
the housing 110 (top) is provided with a clamping groove part 111, and the clamping hook 173 is mounted in the clamping groove part 111;
the body 171 is further provided with a guide member mounting location 174, one end of the guide member 141 close to the antenna 140 is mounted at the guide member 141 mounting location, and the guide member 141 sequentially penetrates through the body 171, the metal shell 190 and the inner shell 180 (first component) and then is electrically connected to the circuit board 150.
More specifically, the inner case 180 includes a first assembly 181 and a second assembly 182, wherein:
the first component 181 and the second component 182 are detachably connected, the first component 181 is located on a side close to the antenna support 170 and the second component 182 is located on a side close to the bottom plate 120 (the second component is not in direct contact with the bottom plate);
the first component 181 is provided with a convex guide mounting seat 183, and the guide 141 (penetrating through one section of the first component) is mounted on the guide mounting seat 183;
the first unit 181 is provided with an inner case mounting hole 184 and the metal case 190 has a metal protrusion 191 extending toward one side of the first unit 181.
Further, the base plate 120 is provided with a protrusion structure 122 extending toward the second assembly 182 and a mounting structure 123 is provided at one side of the base plate 120, and the base plate 120 is mounted to the housing 110 through the mounting structure 123.
Further, the base plate 120 is provided with a rib structure 124.
Preferably, the side of the thermally conductive probe 130 near the power device connector 300 is shaped to match the power device connector (preferably in an arc configuration, which provides good mechanical contact).
Specifically, sensor installation component 211 includes first supporting legs 212 and second supporting legs 213, first supporting legs 212 with second supporting legs 213 to the stationary blade 210 keeps away from sensing module 100 lateral buckling (with the mounting structure cooperation of sensor, and then with stationary blade fixed mounting in sensing module, first supporting legs and second supporting legs have elasticity, when the installation, only need to insert the mounting structure 123 of sensing module with the stationary blade, first supporting legs and second supporting legs are flattened and get into, then first supporting legs and second supporting legs support mounting structure after reseing for can't take out, and then realize fixed mounting).
More specifically, a second installation drawing bridge 224 (for auxiliary installation by contacting with an auxiliary tool) is arranged on one side of the third assembly 221 close to the fixing plate 210.
Further, the shape structure of the fourth component 222 matches the shape structure of the power equipment connector 300.
Further, the fourth element 222 has a circular arc structure.
It is worth mentioning that the installation body controls the elasticity performance through second strengthening rib structure and elasticity control slot part, and then matches the power equipment joint of not unidimensional.
Preferably, the fixed connection between the mounting module and the sensing module comprises a mechanical type and an adhesive type.
Preferably, the shell of the sensor module is made of a material with poor conductivity, or a person wears protective equipment such as insulating gloves. The sensor module realizes the live-line installation of the power equipment connector through the installation module, the installation mode is simple and convenient, and personnel have insulation protection.
It should be mentioned that the technical features such as power equipment joint and appurtenance that the utility model discloses a patent application relates to should be regarded as prior art, and the concrete structure of these technical features, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not regard as the invention point of the utility model patent to be in, the utility model patent does not further expand detailed details specifically.
It will be appreciated by those skilled in the art that changes may be made in the embodiments described above, or equivalents may be substituted for some of the features thereof.

Claims (10)

1. The utility model provides a realize electrified sensing device who installs fast for electrified fast mounting connects in power equipment, its characterized in that includes sensing module and installing module, sensing module with installing module fixed connection, wherein:
the sensing module comprises a shell, a bottom plate, a heat conduction probe, an antenna, a circuit board and a battery, wherein:
the antenna, the circuit board and the battery are arranged in a containing cavity formed by the enclosure and the bottom plate in an enclosing mode;
the bottom plate is provided with a heat conduction probe mounting position, the heat conduction probe is mounted at the heat conduction probe mounting position and is in thermal contact with the circuit board, and the circuit board is electrically connected with the battery;
the antenna is arranged on the antenna supporting body and is electrically connected with the circuit board through the conducting piece;
the installation module includes integrated into one piece's stationary blade and installation body, wherein:
one side, far away from the mounting body, of the fixing piece is fixedly mounted on the sensing module, and the fixing piece is provided with a sensor mounting assembly;
the mounting body is mounted on a power equipment joint and comprises a third component and a fourth component which are integrally formed, wherein one side of the third component is connected with the mounting body, and the other side of the third component, which is far away from the mounting body, is connected with the fourth component;
the third assembly is provided with a plurality of second protruding reinforcing rib structures, the fourth assembly bends towards the opposite direction of the second protruding reinforcing rib structures, the fourth assembly is provided with a plurality of elastic control groove parts, and one end, far away from the third assembly, of the fourth assembly is provided with a first installation drawing bridge.
2. A sensing device for realizing charged quick installation according to claim 1, wherein the accommodating cavity is provided with an inner shell, and the battery plate and the battery are both arranged in the inner shell;
the containing cavity is further provided with a metal shell, the metal shell is arranged in the inner shell, the bottom plate is arranged on one side of the metal shell, and the antenna supporting body is arranged on one side, far away from the bottom plate, of the metal shell.
3. A sensing device for realizing charged quick installation according to claim 2, wherein the antenna support body comprises a body provided with an antenna installation point and having a snap extending from the outer periphery thereof, wherein:
the antenna is provided with an antenna mounting hole, and the antenna mounting hole is mounted at the antenna mounting point;
the shell is provided with a clamping groove part, and the clamping hook is arranged in the clamping groove part;
the antenna comprises a body, a conducting piece, a metal shell and an inner shell, wherein the body is further provided with a conducting piece mounting position, one end of the conducting piece, which is close to the antenna, is mounted on the conducting piece mounting position, and the conducting piece penetrates through the body, the metal shell and the inner shell in sequence and then is electrically connected with the circuit board.
4. A sensing device for enabling hot-line quick installation according to claim 3, wherein the inner housing comprises a first component and a second component, wherein:
the first assembly and the second assembly are detachably connected, the first assembly is positioned at one side close to the antenna support body, and the second assembly is positioned at one side close to the bottom plate;
the first component is provided with a raised guide piece mounting seat, and the guide piece is mounted on the guide piece mounting seat;
the first assembly is provided with an inner shell mounting hole and one side of the metal shell facing the first assembly extends to form a metal lug which is mounted in the inner shell mounting hole.
5. A sensing device for realizing charged quick installation according to claim 4, wherein the base plate is provided with a convex structure extending towards the second component and one side of the base plate is provided with an installation structure, and the base plate is further provided with a reinforcing rib structure.
6. A sensing apparatus for realizing electrified quick installation according to claim 5, wherein the shape structure of the side of the heat conducting probe close to the power equipment connector matches with the power equipment connector.
7. A sensing device for realizing charged quick installation according to any one of claims 1-6, wherein the sensor mounting assembly comprises a first supporting leg and a second supporting leg, and the first supporting leg and the second supporting leg are bent towards one side of the fixing piece away from the sensing module.
8. A sensing device for realizing charged quick installation according to claim 7, wherein a second installation drawing bridge is arranged on one side of the third component close to the fixed plate.
9. A sensing device for realizing charged quick installation according to claim 8, wherein the shape structure of the fourth component matches with the shape structure of the power equipment connector.
10. A sensing device for realizing charged quick installation according to claim 9, wherein the fourth component is in a circular arc structure.
CN202222777065.XU 2022-10-20 2022-10-20 Sensing device for realizing charged quick installation Active CN218885169U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222777065.XU CN218885169U (en) 2022-10-20 2022-10-20 Sensing device for realizing charged quick installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222777065.XU CN218885169U (en) 2022-10-20 2022-10-20 Sensing device for realizing charged quick installation

Publications (1)

Publication Number Publication Date
CN218885169U true CN218885169U (en) 2023-04-18

Family

ID=85939397

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222777065.XU Active CN218885169U (en) 2022-10-20 2022-10-20 Sensing device for realizing charged quick installation

Country Status (1)

Country Link
CN (1) CN218885169U (en)

Similar Documents

Publication Publication Date Title
CN102064059B (en) Leakage breaker
CN212779657U (en) Temperature sensor used on plum blossom contact
EP3654441B1 (en) Cell supervision circuit and battery pack
CN218885169U (en) Sensing device for realizing charged quick installation
CN218885160U (en) Wireless sensor for monitoring temperature of power equipment connector
CN216695338U (en) Cubical switchboard plum blossom contact temperature measuring device
CN216490391U (en) Photovoltaic intelligent turn-off device
CN109425438A (en) A kind of temperature measuring equipment and the switchgear with the temperature measuring equipment
CN211182040U (en) Control assembly for electronic equipment and electronic equipment with same
CN211234751U (en) Temperature measuring device for circuit breaker
CN218154794U (en) Heating module with heat recovery function
CN218154792U (en) Heating module for electric heating
CN220691925U (en) Modularized thermal protector
CN216311700U (en) Circuit breaker
CN110940431A (en) Passive RFID temperature sensing device and high-voltage vacuum circuit breaker temperature measurement system
CN219575538U (en) Hook type grounding contact
CN212183959U (en) High-voltage measurement and control device for distribution and transformation line
CN210899657U (en) Terminal connecting structure of heating tube
CN214589320U (en) Conductive device and temperature controller
CN216250557U (en) Terminal subassembly and air conditioner
CN211182124U (en) Internal electricity taking structure for miniature circuit breaker
CN217115176U (en) Low-voltage power distribution cabinet capable of being monitored wirelessly
CN220933987U (en) Plastic connecting piece for surge protector
CN219696332U (en) Recoverable heat controlled switch, switch assembly and power circuit
CN211719574U (en) Paster diode component easy to install

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant