CN221726214U - Combined switch logic measuring device - Google Patents
Combined switch logic measuring device Download PDFInfo
- Publication number
- CN221726214U CN221726214U CN202420159003.9U CN202420159003U CN221726214U CN 221726214 U CN221726214 U CN 221726214U CN 202420159003 U CN202420159003 U CN 202420159003U CN 221726214 U CN221726214 U CN 221726214U
- Authority
- CN
- China
- Prior art keywords
- fuse
- light emitting
- test power
- measurement device
- switch logic
- 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
- 238000005259 measurement Methods 0.000 claims description 74
- 238000012360 testing method Methods 0.000 claims description 67
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Led Devices (AREA)
Abstract
The utility model discloses a combined switch logic measuring device, which comprises a circuit board, a plurality of binding posts, a plurality of fuse boxes, a plurality of light emitting diodes, a plurality of power supplies and a plurality of circuit connecting wires, wherein the binding posts, the fuse boxes, the light emitting diodes, the power supplies and the circuit connecting wires are arranged on the circuit board, and the binding posts, the fuse boxes, the light emitting diodes and the power supplies are the same in number; the fuse box is internally provided with a fuse, the binding post is correspondingly connected with the positive electrode of the power supply, the negative electrode of the power supply is correspondingly connected with the first end of the fuse, and the second end of the fuse is correspondingly connected with the light emitting diode. The utility model can conveniently and rapidly measure the logic characteristic of the combined switch, detect the on-off condition of the internal circuit of the combined switch, greatly improve the maintenance operation and teaching efficiency of the combined switch, and has extremely high application value.
Description
Technical Field
The utility model relates to the technical field of combination switches, in particular to a logic measurement device for a combination switch.
Background
A large number of combination switches, such as a light combination switch, a wiper combination switch, a window combination switch and the like, are designed in an automobile, and the combination switches can realize various functions and are realized by connection logic inside each combination switch, so that the connection logic inside each combination switch needs to be ensured to normally operate in order to maintain normal operation of various functions. In teaching or maintenance work, if the normal work of the combination switch is required, different switching characteristics are required to be measured, the most common method is to switch the combination switch to each gear, and then one-to-one measure the on-off condition of each gear of the combination switch, and the measuring method is troublesome and complex.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art, and provides a logic measuring device for a combination switch, which can conveniently and rapidly measure the logic characteristics of the combination switch by establishing a set of logic measuring circuit, detect the on-off condition of an internal circuit of the combination switch, greatly improve the maintenance operation and teaching efficiency of the combination switch and has extremely high application value.
The utility model provides a combined switch logic measurement device, which comprises a circuit board, a plurality of binding posts, a plurality of fuse boxes, a plurality of light emitting diodes, a plurality of test power supplies and a plurality of circuit connecting wires, wherein the binding posts, the fuse boxes, the light emitting diodes, the test power supplies and the circuit connecting wires are arranged on the circuit board, and the binding posts, the fuse boxes, the light emitting diodes and the test power supplies are the same in number;
Any one fuse box is internally provided with a fuse, the binding post is correspondingly connected with the positive electrode of the test power supply based on the circuit connecting wire, the negative electrode of the test power supply is correspondingly connected with the first end of the fuse based on the circuit connecting wire, and the second end of the fuse is correspondingly connected with the light-emitting diode based on the circuit connecting wire.
Further, the rated current of the fuse in any fuse box is 10A-1000A.
Further, the rated voltage of any one of the light emitting diodes is the same;
Any one of the light emitting diodes is connected in parallel.
Further, any one of the test power supplies is set to have a voltage range of 0.1V to 50V.
Further, the voltage set by any one of the test power supplies is different;
The voltage difference set by any two test power supplies is different.
Further, a wiring mark of the wiring post is arranged below any wiring post;
The LED wire mark is arranged below any one of the LEDs.
Further, a display screen is further arranged on the circuit board.
Further, the circuit board is also provided with a data transmission interface.
Further, a data processing chip is arranged in the circuit board, and the data processing chip is connected with the data transmission interface.
Further, a work starting button and a work indicator lamp are further arranged on the circuit board.
The utility model provides a logic measurement device for a combination switch, which is characterized in that a set of logic measurement circuit is established, each circuit of the combination switch to be detected is connected to each binding post to form a loop, one combination switch circuit is connected with one binding post, and different voltage differences are formed on the loop through different voltages set by test power supplies on each circuit, so that each light-emitting diode emits light with different brightness, the logic characteristics of the combination switch can be measured conveniently and rapidly, and the on-off condition of the internal circuit of the combination switch is detected; the fuse box is arranged, and the fuse is arranged in the fuse box, so that the safety of measurement can be effectively improved; a display screen is provided. The operator can obtain more visual measurement results; the data transmission interface is arranged and can transmit the measurement data to other devices; the data processing chip is arranged and can rapidly process the measurement data; the operation is simple, the troublesome operation in the past can be reduced, the maintenance operation of the combined switch and the teaching efficiency can be greatly improved, and the combined switch has extremely high application value.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the external appearance of a logic measurement device for a combination switch according to an embodiment of the present utility model;
Fig. 2 is a schematic diagram of an internal circuit structure of a logic measurement device for a combination switch according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
The embodiment of the utility model provides a combined switch logic measurement device, which comprises a circuit board, a plurality of binding posts, a plurality of fuse boxes, a plurality of light emitting diodes, a plurality of test power supplies and a plurality of circuit connecting wires, wherein the binding posts, the fuse boxes, the light emitting diodes, the test power supplies and the circuit connecting wires are arranged on the circuit board, and the binding posts, the fuse boxes, the light emitting diodes and the test power supplies are the same in number; any one fuse box is internally provided with a fuse, the binding post is correspondingly connected with the positive electrode of the test power supply based on the circuit connecting wire, the negative electrode of the test power supply is correspondingly connected with the first end of the fuse based on the circuit connecting wire, and the second end of the fuse is correspondingly connected with the light-emitting diode based on the circuit connecting wire.
In an alternative implementation manner of the present embodiment, as shown in fig. 1 and fig. 2, fig. 1 shows an external schematic diagram of a logic measurement device for a combination switch in an embodiment of the present utility model, and fig. 2 shows an internal circuit schematic diagram of the logic measurement device for a combination switch in an embodiment of the present utility model.
In an alternative implementation manner of this embodiment, the combined switch logic measurement device includes a circuit board 1, six terminals, six fuse boxes, six light emitting diodes, six test power sources, and several circuit connection lines, where the six terminals, the six fuse boxes, the six light emitting diodes, the six test power sources, and the several circuit connection lines are all disposed on the circuit board 1.
In an alternative implementation of the present embodiment, the six binding posts include a first binding post 21, a second binding post 22, a third binding post 23, a fourth binding post 24, a fifth binding post 25, and a sixth binding post 26.
In an alternative implementation of the present embodiment, the six fuse boxes include a first fuse box 31, a second fuse box 32, a third fuse box 33, a fourth fuse box 34, a fifth fuse box 35, and a sixth fuse box 36.
In an alternative implementation of this embodiment, a fuse is disposed within any one of the fuse boxes.
Specifically, the first fuse box 31 is internally provided with a first fuse 41, the second fuse box 32 is internally provided with a second fuse 42, the third fuse box 33 is internally provided with a third fuse 43, the fourth fuse box 34 is internally provided with a fourth fuse 44, the fifth fuse box 35 is internally provided with a fifth fuse 45, and the sixth fuse box 36 is internally provided with a sixth fuse 46.
In an alternative implementation of this embodiment, the rated current of the fuse in any one of the fuse boxes is 10A-1000A.
In an alternative implementation of the present embodiment, the six light emitting diodes include a first light emitting diode 51, a second light emitting diode 52, a third light emitting diode 53, a fourth light emitting diode 54, a fifth light emitting diode 55, and a sixth light emitting diode 56.
In an alternative implementation manner of this embodiment, the rated voltage of any one of the light emitting diodes is the same.
The rated voltage of all the LEDs is the same, the brightness emitted under the condition of the same voltage is the same, and the brightness emitted under the condition of different voltages is changed, so that the efficiency of connection logic and on-off conditions inside the combined switch can be improved.
In an alternative implementation of the present embodiment, the six test power supplies include a first test power supply 61, a second test power supply 62, a third test power supply 6, a fourth test power supply 64, a fifth test power supply 65, and a sixth test power supply 66.
In an alternative implementation manner of this embodiment, the first terminal 21, the first test power supply 61, the first fuse 41, and the first light emitting diode 51 form a first measurement circuit, where the first terminal 21 is connected to the positive electrode of the first test power supply 61 based on the circuit connection line, the negative electrode of the first test power supply 61 is connected to the first end of the first fuse 41 based on the circuit connection line, and the second end of the first fuse 41 is connected to the first light emitting diode 51 based on the circuit connection line.
In an alternative implementation manner of this embodiment, the second terminal 22, the second test power supply 62, the second fuse 42, and the second light emitting diode 52 form a second measurement circuit, where the second terminal 22 is connected to the positive electrode of the second test power supply 62 based on the circuit connection line, the negative electrode of the second test power supply 62 is connected to the first end of the second fuse 42 based on the circuit connection line, and the second end of the second fuse 42 is connected to the second light emitting diode 52 based on the circuit connection line.
In an alternative implementation manner of this embodiment, the third terminal 23, the third test power supply 63, the third fuse 43, and the third light emitting diode 53 form a third measurement circuit, where the third terminal 23 is connected to the positive electrode of the third test power supply 63 based on the circuit connection line, the negative electrode of the third test power supply 63 is connected to the first end of the third fuse 43 based on the circuit connection line, and the second end of the third fuse 43 is connected to the third light emitting diode 53 based on the circuit connection line.
In an alternative implementation manner of this embodiment, the fourth terminal 24, the fourth test power supply 64, the fourth fuse 44, and the fourth light emitting diode 54 form a fourth measurement line, where the fourth terminal 24 is connected to the positive electrode of the fourth test power supply 64 based on the circuit connection line, the negative electrode of the fourth test power supply 64 is connected to the first end of the fourth fuse 44 based on the circuit connection line, and the second end of the fourth fuse 44 is connected to the fourth light emitting diode 54 based on the circuit connection line.
In an alternative implementation manner of this embodiment, the fifth terminal 25, the fifth test power supply 65, the fifth fuse 45, and the fifth light emitting diode 55 form a fifth measurement circuit, where the fifth terminal 25 is connected to the positive electrode of the fifth test power supply 65 based on the circuit connection line, the negative electrode of the fifth test power supply 65 is connected to the first end of the fifth fuse 45 based on the circuit connection line, and the second end of the fifth fuse 45 is connected to the fifth light emitting diode 55 based on the circuit connection line.
In an alternative implementation manner of this embodiment, the sixth terminal 26, the sixth test power supply 66, the sixth fuse 46, and the sixth light emitting diode 56 form a first measurement line, where the sixth terminal 26 is connected to the positive electrode of the sixth test power supply 66 based on the circuit connection line, the negative electrode of the sixth test power supply 66 is connected to the first end of the sixth fuse 46 based on the circuit connection line, and the second end of the sixth fuse 46 is connected to the sixth light emitting diode 56 based on the circuit connection line.
In an alternative implementation manner of this embodiment, any one of the light emitting diodes is connected in parallel.
Specifically, the first light emitting diode 51, the second light emitting diode 52, the third light emitting diode 53, the fourth light emitting diode 54, the fifth light emitting diode 55, and the sixth light emitting diode 56 are connected in parallel, that is, the first measurement line, the second measurement line, the third measurement line, the fourth measurement line, the fifth measurement line, and the sixth measurement line are connected in parallel.
In an optional implementation manner of this embodiment, a terminal wire number label is provided below any one of the terminals, a light emitting diode wire number label is provided below any one of the light emitting diodes, and the terminal wire number label is the same as the wire number label of the corresponding light emitting diode.
Specifically, the "1" pattern of marking the first measurement line is marked under the first binding post 21 and the first light emitting diode 51, the "2" pattern of marking the second measurement line is marked under the second binding post 22 and the second light emitting diode 52, the "3" pattern of marking the third measurement line is marked under the third binding post 23 and the third light emitting diode 53, the "4" pattern of marking the fourth measurement line is marked under the fourth binding post 24 and the fourth light emitting diode 54, the "5" pattern of marking the fifth measurement line is marked under the fifth binding post 25 and the fifth light emitting diode 55, and the "6" pattern of marking the sixth measurement line is marked under the sixth binding post 26 and the sixth light emitting diode 56.
In an alternative implementation manner of this embodiment, the voltage range set by any one of the test power supplies is 0.1V-50V.
In an optional implementation manner of this embodiment, the voltage set by any one of the test power supplies is different.
In an alternative implementation of this embodiment, the voltage differences set by any two test power supplies are different.
It should be noted that, the voltages set by any one of the test power supplies are different, that is, the voltages set by the first test power supply 61, the second test power supply 62, the third test power supply 63, the fourth test power supply 64, the fifth test power supply 65, and the sixth test power supply 66 are different from each other.
Specifically, in each measuring circuit, the power supplies connected in series must be of different voltages, so that when each terminal is connected to the switch, the formed loop will have a voltage difference, the corresponding light emitting diode will be bright, the voltage differences formed by the different loops are different, and the brightness of the light emitted by the corresponding light emitting diode is also different, so that the connection logic and the on-off condition inside the measured combination switch can be rapidly and clearly judged.
Preferably, the voltage set by the first test power supply 61 is 0.1V, the voltage set by the second test power supply 62 is 1V, the voltage set by the third test power supply 63 is 5V, the voltage set by the fourth test power supply 64 is 10V, the voltage set by the fifth test power supply 65 is 18V, and the voltage set by the sixth test power supply 66 is 30V.
In an optional implementation manner of this embodiment, a display screen 7 is further disposed on the circuit board 1, and the display screen 7 is used for displaying a measurement result of the combination switch logic measurement device.
Specifically, after the measurement, the display screen 7 may display the on-off condition of the measurement circuit.
In an alternative implementation manner of this embodiment, a data transmission interface 81 is further provided on the circuit board 1, and the data transmission interface 81 is used for transmitting measurement result data to other devices.
Specifically, the data transmission interface 81 is a USB interface.
In an optional implementation manner of this embodiment, a data processing chip 82 is disposed in the circuit board 1, the data processing chip 82 is connected to the data transmission interface 81, and the data processing chip 82 is configured to process and convert measurement result data and transmit the measurement result data to other external devices through the data transmission interface 81.
In an optional implementation manner of this embodiment, the circuit board 1 is further provided with a work start button 91 and a work indicator lamp 92, where the work start button 91 is used to start and stop the work of the combination switch logic measurement device, and the work indicator lamp 92 is used to display the working condition of the combination switch logic measurement device.
Specifically, when the combination switch logic measurement device does not work, the work start button 91 is pressed, so that the combination switch logic measurement device can be started to work, and at this time, the work indicator lamp 92 is always on; pressing the operation start button 91 again can make the combined switch logic measurement device to stop working state, and the operation indicator lamp 92 is normally turned off; the work indicator light 92 blinks when the combination switch logic measurement device fails.
Working principle: when the combination switch logic measuring device in the embodiment is used for measuring the combination switch to be detected, each combination switch circuit of the combination switch to be detected is connected to the binding post of the combination switch logic measuring device, and one combination switch circuit is correspondingly connected to one binding post. After the circuit connection is finished, a work starting button is pressed, a work indicator lamp is normally on, at the moment, the combined switch is stirred, each light emitting diode of the combined switch logic measuring device is normally on or normally off, when the combined switch is stirred to a certain gear, the brightness of the light emitting diodes on the combined switch logic measuring device is different, wherein the combined switch circuits connected with binding posts corresponding to the light emitting diodes with the same brightness are communicated, and the combined switch circuits connected with binding posts corresponding to the light emitting diodes with different brightness are not communicated.
Because different test power supplies in different measurement lines are of different voltages, voltage differences can occur in formed loops, corresponding light emitting diodes are always on, the voltage differences formed by different loops are different, the brightness of light emitted by the corresponding light emitting diodes is also different, when the combined switch lines are communicated, the voltage differences of the loops formed by the corresponding light emitting diodes are the same, the brightness of light emitted by the corresponding light emitting diodes is the same, and therefore the communication of the combined switch lines connected by the measurement lines with the same brightness of light emitted by the light emitting diodes can be judged.
In summary, the embodiment of the utility model provides a logic measurement device for a combination switch, which is characterized in that a set of logic measurement circuit is established, each circuit of the combination switch to be detected is connected to each binding post to form a loop, one combination switch circuit is connected with one binding post, and voltage difference is formed on the loop through different voltages set by test power supplies on each circuit, so that each light emitting diode emits light with different brightness, the logic characteristics of the combination switch can be measured conveniently and rapidly, and the on-off condition of the internal circuit of the combination switch is detected; the fuse box is arranged, and the fuse is arranged in the fuse box, so that the safety of measurement can be effectively improved; a display screen is provided. The operator can obtain more visual measurement results; the data transmission interface is arranged and can transmit the measurement data to other devices; the data processing chip is arranged and can rapidly process the measurement data; the operation is simple, the troublesome operation in the past can be reduced, the maintenance operation of the combined switch and the teaching efficiency can be greatly improved, and the combined switch has extremely high application value.
Example two
As shown in table 1, table 1 shows a record of measurement results of measuring a certain combination switch, after each combination switch circuit of the combination switch to be measured is connected to the logic measurement device of the combination switch, when the combination switch is shifted to a gear, the first light emitting diode 51, the third light emitting diode 53 and the fourth light emitting diode 54 are always on and have the same brightness, which means that in the gear, the first measurement circuit, the third measurement circuit and the fourth measurement circuit are communicated, and the combination switch circuits connected to the first binding post 21, the third binding post 23 and the fourth binding post 24 are illustrated to be communicated.
When the combined switch is shifted to the second gear, the first light emitting diode 51, the second light emitting diode 52, the fifth light emitting diode 55 and the sixth light emitting diode 56 are always on, but the brightness of the first light emitting diode 51 and the brightness of the second light emitting diode 52 are the same, the brightness of the fifth light emitting diode 55 and the brightness of the sixth light emitting diode 56 are the same, and the first measurement circuit is communicated with the second measurement circuit, the fifth measurement circuit is communicated with the sixth measurement circuit, the combined switch circuit connected with the first binding post 21 and the second binding post 22 is illustrated to be communicated, the combined switch circuit connected with the fifth binding post 25 and the sixth binding post 26 is illustrated to be communicated, and the combined switch circuit connected with the first binding post 21 and the second binding post 22 is not communicated with the combined switch circuit connected with the fifth binding post 25 and the sixth binding post 26.
When the combination switch is shifted to the third gear, only the third light emitting diode 53 is normally on, which means that all the measurement lines are not communicated in the third gear, i.e. all the combination switch lines are not communicated.
TABLE 1
The foregoing has described in detail a logic measurement device for a combination switch provided by embodiments of the present utility model, and specific examples have been adopted herein to illustrate the principles and embodiments of the present utility model, where the foregoing examples are provided only to assist in understanding the methods of the present utility model and the core ideas thereof; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (10)
1. The combined switch logic measurement device is characterized by comprising a circuit board, a plurality of binding posts, a plurality of fuse boxes, a plurality of light emitting diodes, a plurality of test power supplies and a plurality of circuit connecting wires, wherein the binding posts, the fuse boxes, the light emitting diodes, the test power supplies and the circuit connecting wires are arranged on the circuit board, and the binding posts, the fuse boxes, the light emitting diodes and the test power supplies are the same in number;
Any one fuse box is internally provided with a fuse, the binding post is correspondingly connected with the positive electrode of the test power supply based on the circuit connecting wire, the negative electrode of the test power supply is correspondingly connected with the first end of the fuse based on the circuit connecting wire, and the second end of the fuse is correspondingly connected with the light-emitting diode based on the circuit connecting wire.
2. The combination switch logic measurement device of claim 1 wherein the current rating of the fuse in any one of said fuse boxes is 10A to 1000A.
3. The combination switch logic measurement device of claim 1 wherein the rated voltage of any one of said leds is the same;
Any one of the light emitting diodes is connected in parallel.
4. The combinational switch logic measurement device of claim 1, wherein the voltage range of any one of the test power supplies is 0.1V-50V.
5. The combination switch logic measurement device of claim 4 wherein the voltages set by any one of said test power supplies are different;
The voltage difference set by any two test power supplies is different.
6. The combination switch logic measurement device of claim 1, wherein a post wire mark is arranged below any one of the posts;
The LED wire mark is arranged below any one of the LEDs.
7. The combination switch logic measurement device of claim 1, wherein a display screen is further provided on the circuit board.
8. The combinational switch logic measurement device of claim 1, wherein a data transmission interface is further provided on the circuit board.
9. The combination switch logic measurement device of claim 8, wherein a data processing chip is disposed within the circuit board, the data processing chip being coupled to the data transmission interface.
10. The combination switch logic measurement device of claim 1 wherein the circuit board is further provided with an operation start button and an operation indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420159003.9U CN221726214U (en) | 2024-01-22 | 2024-01-22 | Combined switch logic measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420159003.9U CN221726214U (en) | 2024-01-22 | 2024-01-22 | Combined switch logic measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221726214U true CN221726214U (en) | 2024-09-17 |
Family
ID=92681552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420159003.9U Active CN221726214U (en) | 2024-01-22 | 2024-01-22 | Combined switch logic measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221726214U (en) |
-
2024
- 2024-01-22 CN CN202420159003.9U patent/CN221726214U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221726214U (en) | Combined switch logic measuring device | |
| CN209560905U (en) | A kind of display screen module cellular construction | |
| CN210119553U (en) | Detection apparatus for whether short circuit exists between each pin of DB plug | |
| CN110780238A (en) | Multi-core cable detection device | |
| CN2208708Y (en) | Wire number checking device | |
| CN203084132U (en) | Cable short circuit detection device | |
| CN202075356U (en) | Detection device for multi-core plug base pin signal line | |
| CN202305718U (en) | Batch test device of conductive connection wire | |
| CN211426745U (en) | Module for realizing automatic detection of LED lamp electric performance tester | |
| CN209946352U (en) | HiL wire harness testing device | |
| CN202330640U (en) | Simple keyboard thin-film circuit board function test jig | |
| CN111711034A (en) | RJ45 connector with light emitting diodes and wiring detection method | |
| CN102385022B (en) | Batch test device for conductive connecting wires | |
| CN101630798A (en) | Movable patch board for displaying line status | |
| CN209764978U (en) | IDC winding displacement test fixture | |
| CN220509105U (en) | LED lamp strip detection structure, array and detection jig | |
| CN214151010U (en) | Cable welding detection device | |
| CN215932103U (en) | Electronic flat cable on-off tester | |
| CN218866015U (en) | Wire harness lead number detection device | |
| CN212586511U (en) | High efficiency motor aging testing device | |
| CN219590491U (en) | Multi-lead connector testing tool | |
| CN213658856U (en) | Three-phase power open-phase rapid detection device | |
| CN219657846U (en) | Intelligent wire harness detection device | |
| CN217034210U (en) | Test connector of multifunctional wire harness | |
| CN211603518U (en) | Multi-core cable detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |