CN210896551U - Intelligent signal detection machine - Google Patents
Intelligent signal detection machine Download PDFInfo
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- CN210896551U CN210896551U CN201922495543.6U CN201922495543U CN210896551U CN 210896551 U CN210896551 U CN 210896551U CN 201922495543 U CN201922495543 U CN 201922495543U CN 210896551 U CN210896551 U CN 210896551U
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Abstract
The utility model provides an intelligent signal detector, which relates to the field of signal detectors and comprises a shell, a detection circuit board arranged in the shell and connected with a communication interface, a signal interface and a power interface of lighting equipment; the detection circuit board is provided with a voltage detection unit, a current detection unit and an MCU, and the MCU is respectively connected with the voltage detection unit and the current detection unit. The utility model discloses can carry out automated inspection to voltage, electric current, the waveform output of the equipment of lighting a lamp of drive OLED screen.
Description
Technical Field
The utility model relates to a signal detection machine field especially relates to an intelligent signal detection machine.
Background
With the great application of OLED screens, lighting equipment is in an increasing state, an intelligent signal detector is used as an intelligent tool capable of automatically detecting voltage and current waveforms of the lighting equipment, whether output signals of the lighting equipment are normal or not can be quickly judged, the manual detection time is shortened, the accuracy of problem judgment is reduced, and the conventional detection method needs to disassemble and maintain the lighting equipment.
If the conventional lighting equipment has an abnormal problem, the conventional lighting equipment needs to be disassembled and modularized for manual maintenance, the disassembly judgment is respectively carried out on the power module, the storage module, the conversion module and the control module, the manual disassembly judgment consumes time and labor, and the improvement of the utilization rate of the lighting equipment is not facilitated; however, the high-end intelligent maintenance system needs to perform logic analysis through an algorithm, a comprehensive database and other systems, is difficult to develop, and can only detect certain equipment.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide an intelligent signal detection machine for automatically detecting the voltage, current and waveform output of the lighting device driving the OLED screen.
In order to achieve the above and other related objects, the present invention provides an intelligent signal detector, which comprises a housing, a detection circuit board disposed inside the housing and connected to a communication interface, a signal interface, and a power interface of a lighting device; the detection circuit board is provided with a voltage detection unit, a current detection unit and an MCU, and the MCU is respectively connected with the voltage detection unit and the current detection unit.
In an embodiment of the present invention, the casing surface is provided with a display screen and keys, the side surface is provided with a communication interface, the detection circuit board is provided with a screen display system for driving the display screen to display, a key function system for reading key control signals, and a communication system for driving the communication interface to operate; and the screen display system, the key function system and the communication system are respectively connected with the MCU.
In an embodiment of the present invention, the voltage detection unit includes an ad chip, the input end of the ad chip is connected to the power interface of the lighting device, and the output end of the ad chip is connected to the MCU.
In an embodiment of the present invention, the current detecting unit includes a shunt and a load resistor, the input end of the shunt is connected to the power interface of the lighting device through the load resistor, and the output end of the shunt is connected to the MCU.
In an embodiment of the present invention, the communication system is connected to the communication interface of the lighting device, and includes an RS232 communication module and a USB communication module.
As above, the utility model discloses an intelligent signal detection machine has following beneficial effect: the utility model can automatically detect the voltage, current and waveform output of the lighting equipment for driving the OLED screen; meanwhile, the device has the function of verifying and compensating the output voltage and current.
Drawings
Fig. 1 shows the external structure schematic diagram of the intelligent signal detector disclosed in the embodiment of the present invention.
Fig. 2 shows a system block diagram of the intelligent signal detector disclosed in the embodiment of the present invention.
Fig. 3 shows the voltage detection schematic diagram of the intelligent signal detector disclosed in the embodiment of the present invention.
Fig. 4 shows a schematic diagram of the current detection of the intelligent signal detector disclosed in the embodiment of the present invention.
Fig. 5 shows a schematic diagram of the waveform detection of the intelligent signal detector disclosed in the embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
The utility model provides an intelligent signal detector, as shown in figure 1, which comprises a shell, a detection circuit board arranged in the shell and connected with a communication interface, a signal interface and a power interface of lighting equipment; as shown in fig. 2, the detection circuit board is provided with a voltage detection unit, a current detection unit and an MCU, and the MCU is connected to the voltage detection unit and the current detection unit respectively.
Specifically, the surface of the shell is provided with a display screen and keys, the side surface of the shell is provided with a communication interface, the detection circuit board is provided with a screen display system for driving the display of the display screen, a key function system for reading key control signals and a communication system for driving the communication interface to work; the screen display system, the key function system and the communication system are respectively connected with the MCU; the communication system is connected with a communication interface of the lighting equipment and comprises an RS232 communication module and a USB communication module.
Specifically, the voltage detection unit comprises an A/D chip, the input end of the A/D chip is connected with a power interface of the lighting equipment, and the output end of the A/D chip is connected with the MCU; as shown in fig. 3, the voltage output by the lighting device through the power interface is processed by the a/D conversion chip, and then analyzed and compared by the MCU for a difference from a preset value, so as to determine whether the voltage of the lighting device is normal.
Specifically, the current detection unit comprises a shunt and a load resistor, the input end of the shunt is connected with a power interface of the lighting equipment through the load resistor, and the output end of the shunt is connected with the MCU; as shown in fig. 4, the lighting device measures the current through the current output from the power interface by passing through the shunt, and converts the current measurement signal into a current value by the MCU, thereby implementing the lighting device current measurement.
As shown in fig. 5, the principle of measuring the signal frequency of the lighting device: the waveform signal output by the lighting equipment through the signal interface is edited and detected by the MCU to obtain the actually output waveform.
To sum up, the utility model discloses can carry out automated inspection to voltage, electric current, the waveform output of the equipment of lighting a lamp of drive OLED screen. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides an intelligent signal detection machine which characterized in that: the lighting device comprises a shell, a detection circuit board and a lighting circuit board, wherein the detection circuit board is arranged in the shell and is connected with a communication interface, a signal interface and a power interface of the lighting device; the detection circuit board is provided with a voltage detection unit, a current detection unit and an MCU, and the MCU is respectively connected with the voltage detection unit and the current detection unit.
2. The intelligent signal detector of claim 1, wherein: the detection circuit board is provided with a screen display system for driving the display of the display screen, a key function system for reading a key control signal and a communication system for driving the communication interface to work; and the screen display system, the key function system and the communication system are respectively connected with the MCU.
3. The intelligent signal detector of claim 1, wherein: the voltage detection unit comprises an A/D chip, the input end of the A/D chip is connected with a power interface of the lighting equipment, and the output end of the A/D chip is connected with the MCU.
4. The intelligent signal detector of claim 1, wherein: the current detection unit comprises a shunt and a load resistor, the input end of the shunt is connected with a power interface of the lighting equipment through the load resistor, and the output end of the shunt is connected with the MCU.
5. The intelligent signal detector of claim 2, wherein: the communication system is connected with a communication interface of the lighting equipment and comprises an RS232 communication module and a USB communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495543.6U CN210896551U (en) | 2019-12-31 | 2019-12-31 | Intelligent signal detection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922495543.6U CN210896551U (en) | 2019-12-31 | 2019-12-31 | Intelligent signal detection machine |
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| CN210896551U true CN210896551U (en) | 2020-06-30 |
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| CN201922495543.6U Active CN210896551U (en) | 2019-12-31 | 2019-12-31 | Intelligent signal detection machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019405A (en) * | 2021-07-15 | 2022-02-08 | 重庆康佳光电技术研究院有限公司 | Lighting test device, method and system |
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2019
- 2019-12-31 CN CN201922495543.6U patent/CN210896551U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114019405A (en) * | 2021-07-15 | 2022-02-08 | 重庆康佳光电技术研究院有限公司 | Lighting test device, method and system |
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