CN222166176U - A switch sensor performance test device - Google Patents
A switch sensor performance test device Download PDFInfo
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- CN222166176U CN222166176U CN202420359032.XU CN202420359032U CN222166176U CN 222166176 U CN222166176 U CN 222166176U CN 202420359032 U CN202420359032 U CN 202420359032U CN 222166176 U CN222166176 U CN 222166176U
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Abstract
The utility model discloses a switching value sensor performance testing device which comprises a box body, signal lamp binding posts, LED lamps, signal lamp binding posts, a power supply, a circuit board, diodes and sensor binding posts, wherein the power supply and the circuit board are arranged in the box body, the sensor binding posts are arranged on the circuit board, the sensor binding posts are arranged to be porous binding posts, one binding post is parallelly provided with a diode I and a diode II, the polarity of the diode I is opposite to that of the diode II, the signal lamp binding posts I are serially arranged on the diode I, the signal lamp binding posts I are connected to the negative electrode of the power supply, the signal lamp binding posts II are serially arranged on the diode II, the signal lamp binding posts II are connected to the positive electrode of the power supply, one binding post of the sensor binding posts is connected to the negative electrode of the power supply, and the switching value sensor performance testing device improves the switching value sensor performance testing efficiency and avoids the defects that manual testing is time-consuming and labor-consuming.
Description
Technical Field
The utility model relates to the technical field of tobacco electrical equipment, in particular to a switching value sensor performance testing device.
Background
In the tobacco industry, the range of use of switching value sensors is extremely wide. The signal output of the switching value sensor has two states, namely NPN type with low level output and PNP type with high level output. Common switching value sensors include limit switches, proximity switches, micro switches, and the like. Such sensors are commonly used to detect object position, status, etc. When the measured object contacts or approaches the switch, the switching value sensor outputs a digital signal of 0 or 1.
When the switching value sensor needs to be replaced and has no switching value sensor with clear identification and good performance, a long time and more devices are needed to test the performance of the switching value sensor to determine whether the devices can be normally used and whether the corresponding models are PNP type or NPN type, no special testing device exists in the prior art, and manual testing is time-consuming and labor-consuming.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provides a switching value sensor performance testing device.
The switch quantity sensor performance testing device comprises a box body, signal lamp binding posts I, PNP type LED lamps, signal lamp binding posts II, NPN type LED lamps, a power supply, a circuit board, a diode I, a diode II and a sensor binding post, wherein the power supply and the circuit board are arranged in the box body, the sensor binding post is arranged on the circuit board, the sensor binding post is arranged to be a porous binding post, one of the binding posts is provided with the diode I and the diode II in parallel, the polarity of the diode I is opposite to that of the diode II, the signal lamp binding post I is arranged on the diode I in series, the signal lamp binding post I is connected to the negative electrode of the power supply, the diode II is arranged on the diode II in series, one of the signal lamp binding posts II is connected to the positive electrode of the power supply, the other binding post of the sensor binding post is connected to the negative electrode of the power supply, the PNP type LED lamps are arranged on the box body in a connecting mode, the NPN type LED lamps are arranged on the signal lamp binding post II in a connecting mode, the NPN type LED lamps are fixedly arranged on the box body, the wiring holes of the sensor binding post are connected to corresponding plug sockets on the sensor binding post through wires, and the plug pins are fixedly arranged on the box body.
Optionally, the power supply is a siemens PS207 type 24V power supply, and a plug is connected to a power input port of the siemens PS207 type 24V power supply through a power line.
Optionally, the terminal of the sensor terminal connected in parallel with the diode I and the diode II corresponds to a black jack end of the sensor plug, the terminal of the sensor terminal connected with the terminal II of the signal lamp corresponds to a brown jack end of the sensor plug, and the terminal of the sensor terminal is connected to a yellow jack end of the sensor plug corresponding to the terminal of the negative electrode of the power supply.
Optionally, signal lamp terminal II sets up the anodal one end at diode II, signal lamp terminal I sets up the negative pole one end at diode I.
Optionally, a switch is disposed at the positive electrode or the negative electrode of the power supply.
The LED lamp switching device has the advantages that whether the service performance of the LED lamp is normal or not can be judged according to the on-off state of the LED lamp, the corresponding model of the LED lamp can be rapidly judged according to the state display of the PNP type LED lamp and the NPN type LED lamp, and accordingly whether the model of the switching value sensor is normal or not can be rapidly judged, efficiency is improved, and the defect that manual testing is time-consuming and labor-consuming is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present 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 structural view of the present utility model.
Fig. 2 is a schematic diagram of a circuit structure according to the present utility model.
Fig. 3 is a schematic diagram illustrating a circuit structure according to the present utility model.
In the figure, box (1), signal lamp terminal I (2), PNP formula LED lamp (21), signal lamp terminal II (3), NPN formula LED lamp (31), power (4), circuit board (5), diode I (6), diode II (7), sensor terminal (8), sensor plug (81), power cord (9).
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The switching value sensor performance testing device shown in fig. 1 and 2 comprises a box body 1, a signal lamp wiring terminal I2, a PNP type LED lamp 21, a signal lamp wiring terminal II3, an NPN type LED lamp 31, a power supply 4, a circuit board 5, a diode I6, a diode II7 and a sensor wiring terminal 8. This device sets up power 4 and circuit board 5 in box 1, set up sensor terminal 8 on circuit board 5, sensor terminal 8 sets up to porous terminal, as shown in fig. 2, it sets up to a three hole terminal, one of them terminal parallelly connected diode I6 and diode II7 that set up, diode I6 is opposite with diode II7 polarity, establish ties on diode I6 and set up signal lamp terminal I2, signal lamp terminal I2 is connected to the negative pole of power 4, establish ties on diode II7 and set up signal lamp terminal II3, signal lamp terminal II3 is connected to the positive pole of power 4. One of the sensor terminals 8 is connected to the signal lamp terminal II3 near the positive end of the power supply 4, and one of the sensor terminals 8 is connected to the negative electrode of the power supply 4. The PNP type LED lamp 21 is connected and arranged on the signal lamp binding post I2, the PNP type LED lamp 21 is fixedly arranged on the box body 1, the NPN type LED lamp 31 is connected and arranged on the signal lamp binding post II3, the NPN type LED lamp 31 is fixedly arranged on the box body 1, a wiring hole of the sensor binding post 8 is connected to a jack corresponding to the sensor plug 81 through a wire, and the sensor plug 81 is fixedly arranged on the box body 1. In the device, PNP type LED lamp 31 and NPN type LED lamp 21 are respectively arranged and fixed on a box body 1, and state display is provided for performance detection of a switching value sensor. Under normal conditions, two LED lamps on the box body 1 are in a normally-on state, when the performance of the switching value sensor needs to be tested, the switching value sensor is inserted into a corresponding sensor plug 81 jack, if the polarity of the switching value sensor is PNP type, the corresponding PNP type LED lamp 31 on the box body 1 is normally-on, the NPN type LED lamp 21 is extinguished, and if the polarity of the switching value sensor is NPN type, the corresponding NPN type LED lamp 21 on the box body 1 is normally-on, and the PNP type LED lamp 31 is extinguished. The normal illumination represents that the service performance of the switching value sensor is normal, and the PNP type LED lamp 31 and the NPN type LED lamp 21 are illuminated to provide corresponding polarity state display.
In this work, in order to facilitate the wiring, the power supply 4 is a siemens PS207 type 24V power supply, the power input port of the siemens PS207 type 24V power supply is connected and provided with a plug through the power line 9, meanwhile, the wiring terminal of the sensor wiring terminal 8 connected in parallel with the diode I6 and the diode II7 corresponds to the black jack end of the sensor plug 81, the wiring terminal of the sensor wiring terminal 8 connected with the tail end of the signal lamp wiring terminal II3 corresponds to the brown jack end of the sensor plug 81, and the sensor wiring terminal 8 is connected to the yellow jack end of the wiring terminal of the sensor plug 81 corresponding to the negative electrode of the power supply 4. Correspondingly, the signal lamp binding post II3 is arranged at one end of the anode of the diode II7, and the signal lamp binding post I2 is arranged at one end of the cathode of the diode I6. When the power line is connected to 220V power, the Siemens PS207 type 24V power supplies power to the PNP type LED lamp 31 and the NPN type LED lamp 21, and the two lamps are in a lighting state. When the switch-in quantity sensor is PNP, one binding post of the sensor is connected with a brown signal wire and is connected with a 24V positive electrode, the other binding post is connected with a blue signal wire and is connected with a 0V negative electrode, and the other binding post is connected with a black signal wire to output 24V voltage. At this time, a forward voltage is applied between the two stages of the diode on the left side branch, the diode is turned on, the PNP type LED lamp 21 is turned on, and a reverse voltage is applied between the two stages of the diode on the right side branch, the diode is turned off, and the NPN type LED lamp 31 is turned off. When the switch-in quantity sensor is NPN, one binding post is connected with a brown signal wire and connected with a 24V positive electrode, the other binding post is connected with a blue signal wire and connected with a 0V negative electrode, and the other binding post is connected with a black signal wire to output 24V voltage. At this time, a reverse voltage is applied between the two stages of the diode on the left side branch, the diode is turned off, the PNP LED lamp 31 is turned off, and a forward voltage is applied between the two stages of the diode on the right side branch, the diode is turned on, and the NPN LED lamp 21 is turned on. The switching value sensor can be replaced by a four-core plug type or a five-core plug type or a wiring type.
When the switching value sensor needs to be replaced and has no switching value sensor with clear identification and good performance, the switching value sensor to be detected is only required to be inserted into or connected into a corresponding interface, so that whether the switching value sensor can be normally used or not and whether the corresponding model is of a PNP type or an NPN type can be quickly judged through the state display of the LED lamp.
The device can judge whether the service performance of the LED lamp is normal according to the on-off state of the LED lamp, can rapidly judge the corresponding model according to the state display of the PNP type LED lamp and the NPN type LED lamp, so that the model and the normal state of the switching value sensor can be rapidly judged, the efficiency is improved, and the defect that the manual test is time-consuming and labor-consuming is avoided.
In another embodiment, in order to avoid short circuit caused by other conductors being erroneously inserted into the socket of the sensor plug 81 when the device is in a standby state, as shown in fig. 3, a switch is arranged at the positive or negative end of the power supply, and a connection circuit is arranged at the rear end of the switch.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A switching value sensor performance testing device is characterized by comprising a box body (1), a signal lamp binding post I (2), a PNP type LED lamp (21), a signal lamp binding post II (3), an NPN type LED lamp (31), a power supply (4), a circuit board (5), a diode I (6), a diode II (7) and a sensor binding post (8), wherein the power supply (4) and the circuit board (5) are arranged in the box body (1), the sensor binding post (8) is arranged on the circuit board (5), the sensor binding post (8) is arranged into a porous binding post, one binding post is provided with the diode I (6) and the diode II (7) in parallel, the diode I (6) is in opposite polarity, the signal lamp binding post I (2) is arranged on the diode I (6) in series, the signal lamp binding post I (2) is connected to the negative electrode of the power supply (4), the signal lamp binding post II (3) is arranged on the diode II (7) in series, the signal lamp binding post II (3) is connected to the positive electrode of the power supply (4), one end of the sensor binding post (8) is connected to the signal lamp binding post II (3) close to the positive electrode of the power supply (4), one of the binding posts of the sensor binding post (8) is connected to the negative electrode of the power supply (4), the PNP type LED lamp (21) is connected and arranged on the signal lamp binding post I (2), the PNP type LED lamp (21) is fixedly arranged on the box body (1), the NPN type LED lamp (31) is connected and arranged on the signal lamp binding post II (3), the NPN type LED lamp (31) is fixedly arranged on the box body (1), a wiring hole of the sensor binding post (8) is connected to a jack corresponding to the sensor plug (81) through a wire, and the sensor plug (81) is fixedly arranged on the box body (1).
2. The switching value sensor performance test device according to claim 1, wherein the power supply (4) is a Siemens PS207 type 24V power supply, and a plug is connected to a power input port of the Siemens PS207 type 24V power supply through a power line (9).
3. The switching value sensor performance test device according to claim 1, wherein the diode I (6) and the diode II (7) are connected in parallel, the sensor terminal (8) corresponds to a black jack end of the sensor plug (81), the terminal of the sensor terminal (8) connected with the tail end of the signal lamp terminal II (3) corresponds to a brown jack end of the sensor plug (81), and the sensor terminal (8) is connected to a yellow jack end of the sensor plug (81) corresponding to the terminal of the negative electrode of the power supply (4).
4. The switching value sensor performance test device according to claim 3, wherein the signal lamp binding post II (3) is arranged at one end of the anode of the diode II (7), and the signal lamp binding post I (2) is arranged at one end of the cathode of the diode I (6).
5. The device for testing the performance of the switching value sensor according to claim 1, wherein the switch is arranged on the positive electrode or the negative electrode of the power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420359032.XU CN222166176U (en) | 2024-02-27 | 2024-02-27 | A switch sensor performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420359032.XU CN222166176U (en) | 2024-02-27 | 2024-02-27 | A switch sensor performance test device |
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| Publication Number | Publication Date |
|---|---|
| CN222166176U true CN222166176U (en) | 2024-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420359032.XU Active CN222166176U (en) | 2024-02-27 | 2024-02-27 | A switch sensor performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222166176U (en) |
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- 2024-02-27 CN CN202420359032.XU patent/CN222166176U/en active Active
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