CN219799570U - Portable power supply for photoelectric switch sensor test - Google Patents
Portable power supply for photoelectric switch sensor test Download PDFInfo
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- CN219799570U CN219799570U CN202320832391.8U CN202320832391U CN219799570U CN 219799570 U CN219799570 U CN 219799570U CN 202320832391 U CN202320832391 U CN 202320832391U CN 219799570 U CN219799570 U CN 219799570U
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005693 optoelectronics Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of testing, and discloses a portable power supply for testing a photoelectric switch sensor, which comprises a power supply module, a voltage boosting module, a voltage reducing module, a voltage detection module, a current sensing amplifier, a control module, a 24V output interface and a display module, wherein the power supply module is connected with the voltage boosting module; the first output end of the power supply module is connected with the input end of the voltage boosting module, the second output end of the power supply module is connected with the input end of the voltage reducing module, and the third output end of the power supply module is connected with the input end of the voltage detecting module; the output end of the boosting module supplies power to the photoelectric switch sensor through the sampling resistor R7; the pin IN+ and the pin IN-of the current sense amplifier are connected with two ends of the sampling resistor R7 and are used for detecting load current and sending the load current to the control module; the output end of the control module is connected with the display module. The step-down module is used for converting the output voltage of the rechargeable battery into VCC5V and then supplying power to the control module. The utility model can be applied to the test of the photoelectric switch sensor.
Description
Technical Field
The utility model belongs to the technical field of testing, and particularly relates to a portable power supply for testing a photoelectric switch sensor.
Background
The detection distance, response frequency and signal loss rate of the switch-type photoelectric sensor directly affect the service performance of the switch-type photoelectric sensor, so that a plurality of tests are required before delivery. In the testing process of the photoelectric switch, the power supply is required to be connected to test the index of each direction. However, the dc voltage-stabilized power supply in the prior art is heavy and inconvenient to move along with the test distance, and the current display of the dc voltage-stabilized power supply is in the unit of a, which is very inaccurate, and the working current (working current is in the mA level) of the photoelectric switch sensor cannot be accurately reflected. In addition, in the testing process of the photoelectric switch sensor, whether signals are generated or not cannot be observed in the process of ranging light, and certain difficulty is brought to testing.
Accordingly, there is a need for improvements in the art for power supplies that accommodate testing of opto-electronic switch sensors.
Disclosure of Invention
The utility model overcomes the defects existing in the prior art, and solves the technical problems that: a portable power supply for testing a photoelectric switch sensor is provided, so that the portable power supply is suitable for testing the photoelectric switch sensor.
In order to solve the technical problems, the utility model adopts the following technical scheme: a portable power supply for photoelectric switch sensor test comprises a power supply module, a boosting module, a step-down module, a voltage detection module, a current sense amplifier, a control module, a 24V output interface and a display module;
the first output end of the power supply module is connected with the input end of the voltage boosting module, the second output end of the power supply module is connected with the input end of the voltage reducing module, and the third output end of the power supply module is connected with the input end of the voltage detecting module; the voltage boosting module is used for converting the output voltage of the rechargeable battery into VCC24V, the output end of the voltage boosting module is connected with the 24V output interface through a sampling resistor R7, a pin IN+ of the current sensing amplifier is connected with the input end of the sampling resistor R7, a pin IN-is connected with the output end of the sampling resistor R7, and the voltage reducing module is used for converting the output voltage of the rechargeable battery into VCC5V and then supplying power to the control module; the 24V output interface is used for supplying power to the photoelectric switch sensor;
the current sense amplifier is used for detecting load current; the output end of the current sense amplifier is connected with the control module; the output end of the control module is connected with the display module.
The power supply module comprises a rechargeable battery and a charging circuit, and the charging circuit is used for supplying power to the rechargeable battery through an external power supply.
The portable power supply for testing the photoelectric switch sensor further comprises a voltage detection module for detecting the voltage of the rechargeable battery, the voltage detection module comprises a resistor R1 and a resistor R2, one end of the resistor R1 is connected with the positive electrode of the power supply of the rechargeable battery, the other end of the resistor R1 is grounded through the resistor R2, and the other end of the resistor R1 is connected with the control module.
The chip model of the voltage boosting module is LM2587, the chip model of the voltage reducing module is LM2596, and the chip model of the control module is STM32.
The power supply pin of the model INA214 of the current sense amplifier is connected with the positive electrode of the VCC24V, the pin is connected with the input end of the control module through a resistor R5, and the output end of the resistor R5 is grounded through a resistor R6.
The portable power supply for testing the photoelectric switch sensor further comprises a 5V output interface, and the output end of the voltage reduction module is connected with the 5V output interface.
The portable power supply for testing the photoelectric switch sensor further comprises a signal indicating module, wherein the signal indicating module comprises an indicator light interface P1, an indicator light interface P2 and a signal input interface, one wiring terminal of the indicator light interface P1 and one wiring terminal of the indicator light interface P2 are grounded, and the other wiring terminal is respectively connected with two wiring terminals of the signal input interface; the indicator light interface P1 and the indicator light interface P2 are respectively used for connecting the indicator light LED1 and the indicator light LED2, and the signal input interface is used for connecting two signal wires of the photoelectric switch sensor.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model provides a portable power supply for testing a photoelectric switch sensor, which is used for supplying power to the photoelectric switch sensor after converting voltage through a boosting module; the output end of the boosting module is provided with a sampling resistor R7, a current sensing amplifier and a control module, the resistor R7 and the current sensing amplifier collect working current of the photoelectric switch sensor in real time, and the working current is collected by the control module and then sent to the display module for display, so that the working current collection of the photoelectric switch sensor is realized. In addition, through setting up signal indication module, can also monitor photoelectric switch sensor's photosensitive operating condition in real time, the signal observation when making things convenient for photoelectric switch sensor to light range finding.
Drawings
FIG. 1 is a block diagram of a portable power supply for testing a photoelectric switch sensor according to an embodiment of the present utility model;
FIG. 2 is a schematic circuit diagram of a current sense amplifier according to an embodiment of the present utility model;
FIG. 3 is a schematic circuit diagram of a boost module according to an embodiment of the present utility model;
FIG. 4 is a schematic circuit diagram of a buck module according to an embodiment of the present utility model;
FIG. 5 is a schematic circuit diagram of a control module according to an embodiment of the present utility model;
FIG. 6 is a schematic circuit diagram of a display module according to an embodiment of the utility model;
FIG. 7 is a schematic circuit diagram of a signal indicating module according to an embodiment of the present utility model;
FIG. 8 is a schematic circuit diagram of a voltage detection module according to an embodiment of the present utility model;
fig. 9 is a schematic circuit diagram of a protection circuit according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are 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.
As shown in fig. 1, the embodiment of the utility model provides a portable power supply for testing a photoelectric switch sensor, which comprises a power supply module, a voltage boosting module, a voltage reducing module, a voltage detecting module, a current sensing amplifier, a control module, a 24V output interface, a 5V output interface and a display module; the first output end of the power supply module is connected with the input end of the voltage boosting module, the second output end of the power supply module is connected with the input end of the voltage reducing module, and the third output end of the power supply module is connected with the input end of the voltage detecting module; the voltage boosting module is used for converting the output voltage of the rechargeable battery into VCC24V, the output end of the voltage boosting module is connected with the 24V output interface through a sampling resistor R7, a pin IN+ of the current sensing amplifier is connected with the input end of the sampling resistor R7, a pin IN-is connected with the output end of the sampling resistor R7, the voltage reducing module is used for converting the output voltage of the rechargeable battery into VCC5V, power is supplied to the control module and the display module, and the 24V output interface is used for supplying power to the photoelectric switch sensor; the current sense amplifier is used for detecting load current; the output end of the current sense amplifier is connected with the control module; the output end of the control module is connected with the display module. The output end of the voltage reduction module is also connected with the 5V output interface, and the 5V output interface is used for providing power for other electric equipment.
Specifically, in this embodiment, the power supply module includes a rechargeable battery and a charging circuit, where the charging circuit is configured to supply power to the rechargeable battery through an external power source. The rechargeable battery may be a lithium battery.
Further, in this embodiment, as shown in fig. 2, the type INA214 of the current sense amplifier has a power pin connected to the positive electrode of VCC24V, a pin connected to the input terminal of the control module through a resistor R5, and an output terminal of the resistor R5 connected to ground through a resistor R6.
Further, in this embodiment, as shown in fig. 3 to 6, the chip model of the voltage boosting module is LM2587, the chip model of the voltage reducing module is LM2596, and the chip model of the control module is STM32. The display module may be an LCD1602 liquid crystal screen.
Further, the portable power supply for testing the photoelectric switch sensor in the embodiment further comprises a signal indication module. As shown in fig. 7, the Signal indication module includes an indicator light interface P1, an indicator light interface P2, and a Signal input interface Signal1, where one connection terminal of the indicator light interface P1 and one connection terminal of the indicator light interface P2 are grounded, and the other connection terminal is connected with two connection terminals of the Signal input interface respectively; the indicator light interface P1 and the indicator light interface P2 are respectively used for connecting the indicator light LED1 and the indicator light LED2, and the signal input interface is used for connecting two signal wires of the photoelectric switch sensor. Through two signal indication modules, one end of the indicator light LED1 and one end of the indicator light LED2 are grounded, and the other end of the indicator light LED is respectively connected with two signal wires of the photoelectric switch sensor through the signal input interface. When signals are output from two signal wires of the photoelectric switch sensor, the corresponding indicator lights emit light, so that the working state of the photoelectric switch sensor can be displayed.
Further, the portable power supply of this embodiment further includes a voltage detection module for detecting a voltage of the rechargeable battery, as shown in fig. 8, where the voltage detection module includes a resistor R1 and a resistor R2, one end of the resistor R1 is connected to a positive electrode of the power supply of the rechargeable battery, the other end is grounded through the resistor R2, and the other end of the resistor R1 is connected to the control module. Through voltage detection module, can realize battery voltage's on-line measuring, remind timely charging.
Further, as shown in fig. 9, in this embodiment, a protection circuit may further be provided, where the protection circuit includes a fuse F1 and a diode D1, one end of the fuse F1 is connected to the output end of the boost module, the other end is grounded through the diode D1, the diode D1 is a bidirectional transient suppression diode, and the diode D1 is connected in parallel with a load connected to the 24V output interface, so as to play a role in stabilizing voltage.
In summary, the utility model provides a portable power supply for testing a photoelectric switch sensor, which converts voltage through a boost module and then supplies power to the photoelectric switch sensor; the output end of the boosting module is provided with a sampling resistor R7, a current sensing amplifier and a control module, the resistor R7 and the current sensing amplifier collect working current of the photoelectric switch sensor in real time, and the working current is collected by the control module and then sent to the display module for display, so that the test of the photoelectric switch sensor is realized. In addition, through setting up signal indication module, can also monitor photoelectric sensor's operating condition in real time.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The portable power supply for testing the photoelectric switch sensor is characterized by comprising a power supply module, a boosting module, a step-down module, a voltage detection module, a current sensing amplifier, a control module, a 24V output interface and a display module;
the first output end of the power supply module is connected with the input end of the voltage boosting module, the second output end of the power supply module is connected with the input end of the voltage reducing module, and the third output end of the power supply module is connected with the input end of the voltage detecting module; the voltage boosting module is used for converting the output voltage of the rechargeable battery into VCC24V, the output end of the voltage boosting module is connected with the 24V output interface through a sampling resistor R7, a pin IN+ of the current sensing amplifier is connected with the input end of the sampling resistor R7, a pin IN-is connected with the output end of the sampling resistor R7, and the voltage reducing module is used for converting the output voltage of the rechargeable battery into VCC5V and then supplying power to the control module; the 24V output interface is used for supplying power to the photoelectric switch sensor;
the current sense amplifier is used for detecting load current; the output end of the current sense amplifier is connected with the control module; the output end of the control module is connected with the display module.
2. The portable power supply for photoelectric switch sensor test of claim 1, wherein the power supply module comprises a rechargeable battery and a charging circuit, wherein the charging circuit is used for supplying power to the rechargeable battery through an external power supply.
3. The portable power supply for testing the photoelectric switch sensor according to claim 2, further comprising a voltage detection module for detecting the voltage of the rechargeable battery, wherein the voltage detection module comprises a resistor R1 and a resistor R2, one end of the resistor R1 is connected with the positive electrode of the power supply of the rechargeable battery, the other end of the resistor R1 is grounded through the resistor R2, and the other end of the resistor R1 is connected with the control module.
4. The portable power supply for testing of a photoelectric switch sensor according to claim 1, wherein the chip model of the voltage boosting module is LM2587, the chip model of the voltage reducing module is LM2596, and the chip model of the control module is STM32.
5. The portable power supply for testing the photoelectric switch sensor according to claim 1, wherein the model INA214 of the current sensing amplifier has a power supply pin connected with the positive electrode of the VCC24V, a pin connected with the input end of the control module through a resistor R5, and the output end of the resistor R5 is grounded through a resistor R6.
6. The portable power supply for testing of an opto-electronic switch sensor of claim 1 further comprising a 5V output interface, wherein the buck module output is coupled to the 5V output interface.
7. The portable power supply for testing the photoelectric switch sensor according to claim 1, further comprising a signal indicating module, wherein the signal indicating module comprises an indicator light interface P1, an indicator light interface P2 and a signal input interface, one wiring terminal of the indicator light interface P1 and one wiring terminal of the indicator light interface P2 are grounded, and the other wiring terminal is respectively connected with two wiring terminals of the signal input interface; the indicator light interface P1 and the indicator light interface P2 are respectively used for connecting the indicator light LED1 and the indicator light LED2, and the signal input interface is used for connecting two signal wires of the photoelectric switch sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832391.8U CN219799570U (en) | 2023-04-14 | 2023-04-14 | Portable power supply for photoelectric switch sensor test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832391.8U CN219799570U (en) | 2023-04-14 | 2023-04-14 | Portable power supply for photoelectric switch sensor test |
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| Publication Number | Publication Date |
|---|---|
| CN219799570U true CN219799570U (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320832391.8U Active CN219799570U (en) | 2023-04-14 | 2023-04-14 | Portable power supply for photoelectric switch sensor test |
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| Country | Link |
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| CN (1) | CN219799570U (en) |
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- 2023-04-14 CN CN202320832391.8U patent/CN219799570U/en active Active
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