CN212808532U - Cable detection device and robot cable detection system - Google Patents
Cable detection device and robot cable detection system Download PDFInfo
- Publication number
- CN212808532U CN212808532U CN202021940119.4U CN202021940119U CN212808532U CN 212808532 U CN212808532 U CN 212808532U CN 202021940119 U CN202021940119 U CN 202021940119U CN 212808532 U CN212808532 U CN 212808532U
- Authority
- CN
- China
- Prior art keywords
- cable
- switch
- head end
- female
- power supply
- 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
Links
Images
Abstract
The application provides a cable detection device and robot cable detecting system relates to circuit detection technical field, and the device includes: the first switch is connected with the first female head end and the second female head end; the first end of the first switch is connected with the positive pole of the power supply, and the first end of the indicator light is connected with the negative pole of the power supply; the second end of the first switch is connected with the pin pins of the first female head end in a one-to-one corresponding manner, and the second end of the indicator light is connected with the pin pins of the second female head end in a one-to-one corresponding manner; the first female head end is connected with a first male head end connected with a first end of the cable to be tested, and the second female head end is connected with a second male head end connected with a second end of the cable to be tested. This application can come to detect the judgement to the situation of the cable that awaits measuring that this pilot lamp corresponds through the pilot lamp that judges that the cable that awaits measuring corresponds, avoids looking for the cable that has a problem one by one in the manual work of the more condition of the cable that awaits measuring, can improve the efficiency that the cable detected.
Description
Technical Field
The application relates to the technical field of circuit detection, in particular to a cable detection device and a robot cable detection system.
Background
When cables to be detected with a large number are detected at the present stage, whether the cables to be detected have problems is detected and determined one by one through a manual checking method, for example, when a connecting cable between a robot and a robot driver is detected, the problems of easy confusion and low checking efficiency exist, namely the problem of low detection efficiency of the cables to be detected exists.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a cable detection device and a robot cable detection system to solve the problem that the detection efficiency is low when the cable is detected at present.
An embodiment of the present application provides a cable detection device, the device includes:
the first switch is connected with the first female head end and the second female head end;
the first end of the at least one first switch is connected with the positive pole of the power supply, and the first end of the at least one indicator light is connected with the negative pole of the power supply;
the first end of the at least one first switch is connected, and the first end of the at least one indicator light is connected;
the second end of each first switch in the at least one first switch is connected with the pin pins of the first female head end in a one-to-one corresponding mode, and the second end of each indicator lamp in the at least one indicator lamp is connected with the pin pins of the second female head end in a one-to-one corresponding mode;
the first female head end is used for being connected with a first male head end connected with a first end of at least one cable to be tested, the second female head end is used for being connected with a second male head end connected with a second end of the at least one cable to be tested, so that each first switch passes through a corresponding cable in the at least one cable to be tested and a corresponding indicator lamp to form a passage.
In the implementation process, the cables to be detected and the indicator lamps are in one-to-one correspondence through the first female head end and the second female head end, the first switches and the indicator lamps are in one-to-one correspondence, each first switch is enabled to form a passage through the corresponding cable in at least one cable to be detected and the corresponding indicator lamp, the situation of the cable to be detected corresponding to the indicator lamps can be detected and judged through judging the indicator lamps corresponding to the cables to be detected, the problem cables are prevented from being manually searched one by one under the condition that the cables to be detected are more, and the efficiency of cable detection can be improved.
Optionally, the apparatus further comprises a second switch disposed between the positive pole of the power source and the first end of the at least one first switch.
In the implementation process, the second switch is used for controlling the on-off of a circuit including the indicator light, the first switch, the first female terminal and the second female terminal.
Optionally, the apparatus further includes a fuse, the fuse is disposed between the positive electrode of the power supply and the first end of the at least one first switch, and is used for protecting the safety of a loop in which the fuse is located.
In the implementation process, when the current flowing through the circuit where the fuse is located is higher than the current value capable of ensuring the safety of the loop where the fuse is located, the fuse in the fuse is fused to protect the loop where the fuse is located, and the safety of the loop where the fuse is located is improved.
Optionally, the first female tip is a female tip of a rectangular electrical connector.
In the implementation process, the rectangular electric connector can be directly welded with the circuit board and can be fixedly mounted on the circuit board, and when the number of cores of the connector is the same, the rectangular electric connector can occupy smaller space so as to save mounting space.
Optionally, the second female head end is a female head end of a rectangular aviation plug.
In the implementation process, the shell of the rectangular aviation plug is fixed by the turnbuckle, so that the connection stability can be improved.
Optionally, the first switch is a toggle switch.
In the implementation process, the slide block of the toggle switch acts flexibly, and the flexibility of controlling the on-off of a circuit where the toggle switch is located can be improved.
Optionally, the second switch is a rotary switch.
In the implementation process, the knob switch adopts a sealing structure, so that the knob switch can be waterproof, and the use safety of the second switch is improved.
Optionally, the device further comprises a switching power supply, the power supply is an alternating current power supply, an input end of the switching power supply is connected with the power supply, an output positive end of the switching power supply is connected with the first end of the first switch, and an output negative end of the switching power supply is connected with the first end of the indicator light.
In the implementation process, the switching power supply converts an alternating current power supply into a direct current power supply capable of working, so that the cable detection device can perform cable detection under the condition that the power supply is the alternating current power supply.
Optionally, the apparatus further comprises a circuit breaker disposed between the ac power source and the switching power source.
In the implementation process, the circuit breaker can protect the circuit where the circuit breaker is located under the condition that the circuit where the circuit breaker is located is short-circuited, overloaded or undervoltage, and the safety of the circuit where the circuit breaker is located is improved.
Embodiments of the present application further provide a robot cable detection system, the system including: the cable detection device comprises the cable detection device and a robot to be detected, wherein the robot comprises at least one cable to be detected;
first female head end in the cable detection device be used for with the first public head end that the first end of at least one cable that awaits measuring is connected, the female head end of second be used for with the public head end of second end connection of at least one cable that awaits measuring is connected, so that every first switch in the cable detection device passes through corresponding cable in the at least one cable that awaits measuring and corresponding pilot lamp form the route.
In the implementation process, the cables to be detected and the indicator lamps are in one-to-one correspondence through the first female head end and the second female head end, the first switches and the indicator lamps are in one-to-one correspondence, each first switch is enabled to form a passage through the corresponding cable in at least one cable to be detected and the corresponding indicator lamp, the situation of the cable to be detected corresponding to the indicator lamps can be detected and judged through judging the indicator lamps corresponding to the cables to be detected, the problem cables are prevented from being manually searched one by one under the condition that the cables to be detected are more, and the efficiency of cable detection can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Fig. 1 is a schematic circuit diagram of a cable detection device according to an embodiment of the present application.
Fig. 2 is a schematic circuit diagram of a second cable detection device according to an embodiment of the present application.
Legend: 10-a cable detection device; 101-an indicator light; 102-a first switch; 103-a first female head end; 104-a second female head end; 105-a second switch; 106-fuses; 107-switching power supply; 108-a circuit breaker; 20-a cable to be tested; 201-a first male end; 202-second male end.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
In the description of the present application, it is noted that the terms "first", "second", and the like are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to improve the efficiency of detecting a cable, an embodiment of the present application provides a cable detecting device, please refer to fig. 1, fig. 1 is a circuit schematic diagram of the cable detecting device provided in the embodiment of the present application, and the cable detecting device 10 includes: at least one indicator light 101, at least one first switch 102, a first female tip 103 and a second female tip 104. A first terminal of the at least one first switch 102 is connected to a positive pole of the power supply and a first terminal of the at least one indicator light 101 is connected to a negative pole of the power supply.
Optionally, the first switch 102 is a toggle switch, and a slider of the toggle switch is flexible in movement, so that flexibility of controlling on/off of a cable detection loop where the toggle switch is located can be improved. It is understood that the first switch 102 can also be a button switch, a toggle switch, a membrane switch, a mercury switch, a lever switch, a micro switch or a travel switch, which can be selected according to the specific user requirement.
A first terminal of the at least one first switch 102 is connected and a first terminal of the at least one indicator light 101 is connected. It is understood that any light source that can emit light in a loop can be used for indicator light 101. The indicator light 101 is used for indicating the condition of the cable to be tested connected with the indicator light 101, and the indicator light 101 can be replaced by other electrical appliances with indicating functions.
The second end of each first switch 102 in the at least one first switch 102 is connected to the pin of the first female terminal 103 in a one-to-one correspondence, and the second end of each indicator light 101 in the at least one indicator light 101 is connected to the pin of the second female terminal 104 in a one-to-one correspondence.
Optionally, the first female tip 103 is a female tip of a rectangular electrical connector. The rectangular electric connector can be directly welded with a circuit board and can be fixedly mounted on the circuit board, and when the pin number of the contact pins of the connector is the same, the rectangular electric connector can occupy smaller space so as to save mounting space. It is understood that the first female end 103 may also be the female end of any manner of electrical connector, such as a round electrical connector.
It can be understood that the number of the pin pins of the first female header 103 and the number of the pin pins of the second female header 104 are the same as the number of the first switches 102 or the number of the indicator lights 101, the number of the pin pins of the first female header 103 and the number of the pin pins of the second female header 104 are also the same as the number of the cables 20 to be tested, the cables 20 to be tested which are detected each time can be selected from the cables 103 and the second female header 104 which include the corresponding number, and the number of the first switches 102 and the number of the indicator lights 101 are correspondingly set.
Optionally, the second female tip 104 is the female tip of a rectangular aviation plug. It can be understood that the housing of the rectangular aviation plug is fixed by the turnbuckle, which can improve the stability of connection. The second female tip 104 may also be the female tip of other types of electrical connectors, such as a round aviation plug.
It can be understood that each pin of the first female header 103 is connected to one first switch 102, each first female header is connected to a first male header 201 connected to a first end of the cable 20 to be tested, each pin on the first male header 201 corresponds to one cable 20 to be tested, a pin on the second male header 202 connected to a second end of the cable 20 to be tested corresponds to each cable 20 to be tested in at least one corresponding cable 20 one to one, the second male header 202 corresponds to the second female header 104, and each pin of the second female header 104 is connected to one indicator light 101, so that the indicator light 101, the cable to be tested, and the first switch 102 are in one-to-one correspondence through the first female header 103, the first male header 201, the second female header 104, and the second male header 202.
After all the first switches 102 are closed, the on-off condition of the indicator lamps 101 is observed, and when one indicator lamp 101 is normally lighted, it is indicated that the cable to be tested corresponding to the indicator lamp 101 is normal. When one of the indicator lights 101 does not emit light, the cable 20 to be tested corresponding to the indicator light 101 is abnormal.
Therefore, by observing the on/off state of the indicator light 101 connected to the cable 20 to be tested, the abnormal cable is located, and the efficiency of cable detection can be improved.
The first female tip 103 is configured to be connected to a first male tip 201 connected to a first end of the at least one cable 20 to be tested, and the second female tip 104 is configured to be connected to a second male tip 202 connected to a second end of the at least one cable 20 to be tested, so that each first switch 102 forms a passage with a corresponding indicator light 101 through a corresponding cable of the at least one cable 20 to be tested.
It can be understood that when all the first switches 102 are closed, starting from the positive pole of the power supply, the current finally reaches the negative pole of the power supply through the indicator light 101, the second female terminal 104, the second male terminal 202, the cable 20 to be tested, the first male terminal 201, the first female terminal 103 and the first switches 102 in sequence to form a cable detection loop. The first ends of all indicator lights 101 are connected, i.e. all indicator lights 101 are connected in parallel. Each indicator light 101 is connected in series with a first switch 102, so that the indicator light 101 is in one-to-one correspondence with the first switch 102 connected in series, and the first switch 102 connected in series with the designated indicator light 101 controls the on or off of the line to which the designated indicator light 101 belongs.
It is understood that the first female tip 103 and the first male tip 201 are electrical connectors of a mating type, and the second female tip 104 and the second male tip 202 are electrical connectors of a mating type.
Referring to fig. 2, fig. 2 is a schematic circuit diagram of a second cable detection device according to an embodiment of the present application. Optionally, the cable detection device 10 further comprises a second switch 105, the second switch 105 being arranged between the positive pole of the power source and the first end of the at least one first switch 102. It will be appreciated that the second switch 105 is used to switch the cable detection circuit on and off.
Optionally, the cable detection apparatus 10 further comprises a fuse 106, the fuse 106 being disposed between the positive pole of the power source and the first end of the at least one first switch 102 for securing a circuit in which the fuse 106 is disposed.
Optionally, the second switch 105 is a rotary switch. It can be understood that the knob switch adopts a sealing structure, so that the knob switch can be waterproof, and the safety of the second switch 105 can be improved. It is understood that the second switch 105 may also be a button switch, a toggle switch, a membrane switch, a mercury switch, a lever switch, a micro switch or a travel switch, which may be selected according to specific user requirements.
Optionally, the cable detection device 10 further includes a switching power supply 107, an ac power supply provides a power source for the cable detection device 10, an input terminal of the switching power supply 107 is connected to the power supply, an output positive terminal of the switching power supply 107 is connected to the first terminal of the first switch 102, and an output negative terminal of the switching power supply 107 is connected to the first terminal of the indicator light 101. It is understood that the switching power supply 107 converts the ac power into the dc power that the indicator light 101 can operate, so that the cable detection apparatus 10 can perform the cable detection in the case where the power is the ac power.
Optionally, the cable detection device 10 further comprises a circuit breaker 108, and the circuit breaker 108 is disposed between the ac power source and the switching power source 107. It can be understood that the circuit breaker 108 can protect the circuit in which the circuit breaker 108 is located in the event of a short circuit, overload, or undervoltage, improving the safety of the circuit in which the circuit breaker 108 is located.
Embodiments of the present application further provide a robot cable detection system, the robot cable detection system includes: the system comprises a cable detection device 10 and a robot to be detected, wherein the robot comprises at least one cable to be detected;
the first female head end 103 of the cable detection device 10 is used for being connected with a first male head end 201 connected with a first end of at least one cable to be tested, and the second female head end 104 is used for being connected with a second male head end 202 connected with a second end of at least one cable 20 to be tested in the robot, so that each first switch 102 of the cable detection device 10 is communicated with a corresponding indicator light 101 through a corresponding cable of the at least one cable to be tested.
To sum up, the embodiment of this application provides a cable detection device and robot cable detecting system, relates to circuit detection technical field, the device includes: at least one pilot lamp, at least one first switch, first female head end and second female head end. The first end of the at least one first switch is connected with the positive pole of the power supply, and the first end of the at least one indicator light is connected with the negative pole of the power supply. The first end of the at least one first switch is connected, and the first end of the at least one indicator light is connected. The second end of each first switch in the at least one first switch is connected with the pin pins of the first female head end in a one-to-one corresponding mode, and the second end of each indicator lamp in the at least one indicator lamp is connected with the pin pins of the second female head end in a one-to-one corresponding mode. The first female head end is used for being connected with a first male head end connected with a first end of at least one cable to be tested, the second female head end is used for being connected with a second male head end connected with a second end of the at least one cable to be tested, so that each first switch passes through a corresponding cable in the at least one cable to be tested and a corresponding indicator lamp to form a passage.
In the implementation process, the cables to be detected and the indicator lamps are in one-to-one correspondence through the first female head end and the second female head end, the first switches and the indicator lamps are in one-to-one correspondence, each first switch is enabled to form a passage through the corresponding cable in at least one cable to be detected and the corresponding indicator lamp, the situation of the cable to be detected corresponding to the indicator lamps can be detected and judged through judging the indicator lamps corresponding to the cables to be detected, the problem cables are prevented from being manually searched one by one under the condition that the cables to be detected are more, and the efficiency of cable detection can be improved.
Embodiments of the present application further provide a robot cable detection system, the system including: the cable detection device and the robot to be detected comprise at least one cable to be detected. First female head end in the cable detection device be used for with the first public head end that the first end of at least one cable that awaits measuring is connected, the female head end of second be used for with the public head end of second end connection of at least one cable that awaits measuring is connected, so that every first switch in the cable detection device passes through corresponding cable in the at least one cable that awaits measuring and corresponding pilot lamp form the route.
In the implementation process, the cables to be detected and the indicator lamps are in one-to-one correspondence through the first female head end and the second female head end, the first switches and the indicator lamps are in one-to-one correspondence, each first switch is enabled to form a passage through the corresponding cable in at least one cable to be detected and the corresponding indicator lamp, the situation of the cable to be detected corresponding to the indicator lamps can be detected and judged through judging the indicator lamps corresponding to the cables to be detected, the problem cables are prevented from being manually searched one by one under the condition that the cables to be detected are more, and the efficiency of cable detection can be improved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. The apparatus embodiments described above are merely illustrative, and for example, the block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of devices according to various embodiments of the present application. In this regard, each block in the block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams, and combinations of blocks in the block diagrams, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Therefore, the present embodiment further provides a readable storage medium, in which computer program instructions are stored, and when the computer program instructions are read and executed by a processor, the computer program instructions perform the steps of any of the block data storage methods. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A cable detection device, the device comprising: the first switch is connected with the first female head end and the second female head end;
the first end of the at least one first switch is connected with the positive pole of the power supply, and the first end of the at least one indicator light is connected with the negative pole of the power supply;
the first end of the at least one first switch is connected, and the first end of the at least one indicator light is connected;
the second end of each first switch in the at least one first switch is connected with the pin pins of the first female head end in a one-to-one corresponding mode, and the second end of each indicator lamp in the at least one indicator lamp is connected with the pin pins of the second female head end in a one-to-one corresponding mode;
the first female head end is used for being connected with a first male head end connected with a first end of at least one cable to be tested, the second female head end is used for being connected with a second male head end connected with a second end of the at least one cable to be tested, so that each first switch passes through a corresponding cable in the at least one cable to be tested and a corresponding indicator lamp to form a passage.
2. The apparatus of claim 1, further comprising a second switch disposed between the positive pole of the power source and the first end of the at least one first switch.
3. The apparatus of claim 1, further comprising a fuse disposed between the positive terminal of the power source and the first end of the at least one first switch for securing a circuit in which the fuse is located.
4. The apparatus of claim 1, wherein the first female tip is a female tip of a rectangular electrical connector.
5. The apparatus of claim 1, wherein the second female end is a female end of a rectangular aviation plug.
6. The device of claim 1, wherein the first switch is a toggle switch.
7. The apparatus of claim 2, wherein the second switch is a rotary switch.
8. The device of claim 1, further comprising a switching power supply, wherein the power supply is an alternating current power supply, an input terminal of the switching power supply is connected to the power supply, a positive output terminal of the switching power supply is connected to the first terminal of the first switch, and a negative output terminal of the switching power supply is connected to the first terminal of the indicator light.
9. The apparatus of claim 8, further comprising a circuit breaker disposed between the ac power source and the switching power source.
10. A robotic cable detection system, the system comprising: the cable inspection device of any one of claims 1-9, and a robot to be inspected, the robot comprising at least one cable to be inspected;
first female head end in the cable detection device be used for with the first public head end that the first end of at least one cable that awaits measuring is connected, the female head end of second be used for with the public head end of second end connection of at least one cable that awaits measuring is connected, so that every first switch in the cable detection device passes through corresponding cable in the at least one cable that awaits measuring and corresponding pilot lamp form the route.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940119.4U CN212808532U (en) | 2020-09-08 | 2020-09-08 | Cable detection device and robot cable detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940119.4U CN212808532U (en) | 2020-09-08 | 2020-09-08 | Cable detection device and robot cable detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212808532U true CN212808532U (en) | 2021-03-26 |
Family
ID=75088891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021940119.4U Active CN212808532U (en) | 2020-09-08 | 2020-09-08 | Cable detection device and robot cable detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212808532U (en) |
-
2020
- 2020-09-08 CN CN202021940119.4U patent/CN212808532U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100549973C (en) | A kind of usb bus interface detection apparatus and detection method thereof | |
| CN106483423B (en) | Fault searching method and device for breaker opening electric loop | |
| CN204559193U (en) | Car emergency starts power supply smart safety electric bottle clip | |
| CN212808532U (en) | Cable detection device and robot cable detection system | |
| CN210051878U (en) | BMS wire harness detection circuit | |
| CN110488205B (en) | Fault recognition device | |
| CN112881951B (en) | Interface plug analog circuit | |
| CN212410835U (en) | Detection circuit of alternating current input line and socket with detection circuit | |
| CN214754507U (en) | Circuit with timing function and leakage protection plug | |
| CN102213738A (en) | Short-circuit test device of electric equipment | |
| CN101286632B (en) | Device to send out alarming indication when abnormal voltage appearing in grounding system | |
| CN114646893A (en) | Multi-power-supply fault rapid self-detection circuit of debris flow earth sound monitoring module | |
| CN110505741A (en) | A kind of method and device detecting naval light state | |
| CN212031542U (en) | Multifunctional short connector | |
| CN201044351Y (en) | Device capable of alarming when abnormal voltage happens in grounding system | |
| CN220894499U (en) | Grounding abnormality detection circuit and silicon carbide alternating current equipment | |
| CN218824518U (en) | Detection apparatus for looped netowrk cabinet | |
| CN200996976Y (en) | Abnormal-voltage alarming indicater in grounding system | |
| CN110632524A (en) | Battery pack insulation detection system, battery pack system and working method | |
| CN216792420U (en) | Wire harness detection device based on LED lamp | |
| CN218240372U (en) | BMS line sequence detection device | |
| CN217768842U (en) | Bluetooth control type leakage protection plug | |
| CN117713919B (en) | Optical module testing device and method | |
| CN212967569U (en) | Little electric wire netting safety protection intelligent terminal device | |
| CN209673928U (en) | Soft fault indicator caused by a kind of judgement poor contact or false triggering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |