CN104730469A - Automatic monitor system for flasher endurance test - Google Patents
Automatic monitor system for flasher endurance test Download PDFInfo
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- CN104730469A CN104730469A CN201510113286.9A CN201510113286A CN104730469A CN 104730469 A CN104730469 A CN 104730469A CN 201510113286 A CN201510113286 A CN 201510113286A CN 104730469 A CN104730469 A CN 104730469A
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Abstract
The invention provides an automatic monitor system for a flasher endurance test. The automatic monitor system for the flasher endurance test comprises a flasher connected with a power source, the signal output end of the flasher is connected with a lamp, the lamp twinkles with the on-off of the flasher, a photoconductive resistance is further comprised, the photoconductive resistance detects the illumination changing of the lamp, the lamp and the photoconductive resistance are sealed in one shading box, the output end of the photoconductive resistance is connected with the input end of an acquisition circuit, the output end of the acquisition circuit is connected with an upper computer, and the upper computer records and displays signals collected by the acquisition circuit. The automatic monitor system for the flasher endurance test has the advantages that the structure is simple, the cost is low, collection and record are done by the system automatically, and no manual intervention is needed in the experiment process; the automatic monitor system for the flasher endurance test is wrapped by the shading box, so that light pollution will not be caused.
Description
Technical field
The present invention relates to automatic monitoring technical field, be specifically related to a kind of flasher long duration test automatic monitored control system.
Background technology
In vehicle traveling process, when travel direction change or velocity variations, flasher is needed to remind other vehicles and pedestrian.
Automobile flasher all will pass through and detect before dispatching from the factory, and current automobile flicker relay testing circuit complex structure, and the quality of automobile flasher can only artificially judge according to parameter, easily occurs the phenomenon of erroneous judgement.
In addition, flasher in test, with incandescent lamp as test load, if incandescent lamp itself has in stolen goods dirt or testing process the luminous situation of other external light sources, can only will affect testing result.
Summary of the invention
In order to overcome the defect existed in above-mentioned prior art, the object of this invention is to provide a kind of flasher long duration test automatic monitored control system, not needing manually to participate in judging, preventing the light pollution of light fixture booty and external light source.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of flasher long duration test automatic monitored control system, it comprises the flasher being connected with power supply, the signal output part of described flasher is connected with light fixture, described light fixture glimmers with the break-make of described flasher, also comprise photoresistance, described photoresistance detects the light change of described light fixture, described light fixture and photoresistance are sealed in same shading box, the output terminal of described photoresistance connects the input end of Acquisition Circuit, the output terminal of described Acquisition Circuit is connected with host computer, the signal of described host computer to Acquisition Circuit collection records and shows.
Flasher long duration test automatic monitored control system structure of the present invention is simple, cost is low, and system gathers and record automatically, and process of the test is without the need to manual intervention, and bulb of the present invention has shading box to wrap up, and therefore can not cause light pollution.The truth of Real-time Collection flasher of the present invention work, testing result is accurate.
In the preferred embodiment of the present invention, described Acquisition Circuit comprises signal processing module, A/D modular converter and signal store delivery module, the input end of described signal processing module is connected with the output terminal of photoresistance, the output terminal of described signal processing module is connected with the input end of A/D modular converter, the input end that output terminal and the signal of described A/D modular converter store delivery module is connected, and described signal stores the output terminal of delivery module and is connected with the input end of host computer.Thus realize the automatic collection of signal, conversion and storage transmission.
In another kind of preferred implementation of the present invention, the positive polarity test side of the positive pole connection signal processing module of described photoresistance, the voltage negative pole test side of the negative pole connection signal processing module of described photoresistance.Signal processing module gathers the magnitude of voltage of photoresistance.
In another preferred implementation of the present invention, described signal processing module also comprises the first resistance, second resistance and the 3rd resistance, described first resistance is connected with photoresistance, the free end of the first resistance connects power supply, the free ending grounding of photoresistance, the base stage of the link connecting triode of the first resistance and photoresistance, one end of second resistance is connected between the base stage of triode and power supply, the collector of triode be connected with the 3rd resistance and the 4th resistance of connecting between power supply, the grounded emitter of triode, 3rd resistance and the 4th resistance link output signal to the Enable Pin of A/D modular converter, the signal output part of described signal processing module connects the signal input part of A/D modular converter.
When light fixture is lighted, the enable work of A/D modular converter, when light fixture does not work, A/D modular converter does not work, saves energy.
In another kind of preferred implementation of the present invention, also have warning device, described warning device is connected with host computer, and when Acquisition Circuit T time is not to host computer transmission signal, host computer drives warning device to report to the police, and improves reliability and hommization more.
In another kind of preferred implementation more of the present invention, described shading box internal coat has reflectorized material, and the light that light fixture is occurred all returns to shading box inside, improves the accuracy of detection.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of flasher long duration test automatic monitored control system of the present invention;
Fig. 2 is the circuit diagram of signal processing module of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The invention provides a kind of flasher long duration test automatic monitored control system, as shown in Figure 1, it comprises the flasher being connected with power supply, the signal output part of this flasher connects light fixture, light fixture replaces light on and off with the break-make of flasher by certain frequency, in the present embodiment, light fixture can adopt but be not limited to incandescent lamp.
This flasher long duration test automatic monitored control system also comprises photoresistance, and photoresistance detects the light change of light fixture, thus resistance changes.In the present embodiment, light fixture and photoresistance are sealed in same shading box, and shading box internal coat has reflectorized material, and the light that light fixture is occurred all returns to shading box inside, improve the accuracy of detection.The output terminal of photoresistance connects the input end of Acquisition Circuit, and the output terminal of Acquisition Circuit is connected with host computer, and the signal of host computer to Acquisition Circuit collection records and show.
In the present embodiment, Acquisition Circuit comprises signal processing module, A/D modular converter and signal store delivery module, the input end of signal processing module is connected with the output terminal of photoresistance, the output terminal of signal processing module is connected with the input end of A/D modular converter, the input end that output terminal and the signal of A/D modular converter store delivery module is connected, and signal stores the output terminal of delivery module and is connected with the input end of host computer.Thus realize the automatic collection of signal, conversion and storage transmission.By signal processing unit, be voltage signal by the light on and off State Transferring of light fixture, then this voltage signal is converted to digital signal by A/D converting unit, stores after this digital signal stores by delivery unit again and sends host computer to, by host computer record raw data.
In the present embodiment, as shown in Figure 2, the positive polarity test side of the positive pole connection signal processing module of photoresistance, the voltage negative pole test side of the negative pole connection signal processing module of photoresistance.Signal processing module gathers the magnitude of voltage of photoresistance.
In the present embodiment, as shown in Figure 2, signal processing module also comprises the first resistance, second resistance and the 3rd resistance, described first resistance is connected with photoresistance, the free end of the first resistance connects power supply, the free ending grounding of photoresistance, the base stage of the link connecting triode of the first resistance and photoresistance, one end of second resistance is connected between the base stage of triode and power supply, the collector of triode be connected with the 3rd resistance and the 4th resistance of connecting between power supply, the grounded emitter of triode, 3rd resistance and the 4th resistance link output signal to the Enable Pin of A/D modular converter, the signal output part of signal processing module connects the signal input part of A/D modular converter.When light fixture is lighted, the enable work of A/D modular converter, when light fixture does not work, A/D modular converter does not work, saves energy.
In the present embodiment, A/D modular converter is transferred to signal and stores delivery module after signal is carried out the conversion of A/, in the preferred implementation that the present invention is other, this signal storage delivery module also can have calculation function, judges the information such as light on and off duration, brightness of load according to the computing the resistor value of photoresistance.Concrete operational method is: first, arranges opening flag and end mark, such as opening flag can be level signal from high step-down, end mark can uprise from low for level signal; After setting opening flag and end mark, initialization design is carried out to data, initialize; Then write data, receive the signal that A/D modular converter exports, obtain light on and off duration and monochrome information.
In the present embodiment, the first resistance, the second resistance, the resistance of the 3rd resistance and the 4th resistance is followed successively by 100K Ω, 10M Ω, 100K Ω, 100K Ω, thus ensures accurately to detect.When photoresistance does not sense light, triode ends; When photoresistance senses light, electric current flows through the first resistance and photoresistance, now triode ON, output signal.Due to the characteristic of photoresistance, the light on and off two states of light fixture makes photoresistance resistance change.Acquisition Circuit arrives to obtain the information such as light on and off duration, brightness of load (light fixture) by the resistance of photoresistance, and these some column informations is sent to host computer, by the duty in the durable process of host computer record flasher.The empirical data of photoresistance specifically can be adopted to obtain the resistance of photoresistance and the light on and off duration of light fixture, the corresponding relation of brightness, and these all can adopt the parameter declaration of prior art or photoresistance.
In the present embodiment, also have warning device, warning device is connected with host computer, and when Acquisition Circuit T time is not to host computer transmission signal, illustrate that flasher is bad, host computer drives warning device to report to the police, and improves reliability and hommization more.Concrete host computer drives the method for warning device can adopt driving method of the prior art.In the present embodiment, T time can specifically set according to specific circumstances.
The truth of flasher long duration test automatic monitored control system Real-time Collection flasher of the present invention work; Because bulb has shading box to wrap up, therefore light pollution can not be caused; Native system cost is low, realizes simple; System gathers and record automatically, and that can test according to oneself needs the functions such as increase reminding alarm simultaneously, and experimental project is without the need to manual intervention.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (6)
1. a flasher long duration test automatic monitored control system, it is characterized in that: comprise the flasher being connected with power supply, the signal output part of described flasher is connected with light fixture, described light fixture glimmers with the break-make of described flasher, also comprise photoresistance, described photoresistance detects the light change of described light fixture, described light fixture and photoresistance are sealed in same shading box, the output terminal of described photoresistance connects the input end of Acquisition Circuit, the output terminal of described Acquisition Circuit is connected with host computer, the signal of described host computer to Acquisition Circuit collection records and shows.
2. flasher long duration test automatic monitored control system as claimed in claim 1, it is characterized in that: described Acquisition Circuit comprises signal processing module, A/D modular converter and signal store delivery module, the input end of described signal processing module is connected with the output terminal of photoresistance, the output terminal of described signal processing module is connected with the input end of A/D modular converter, the input end that output terminal and the signal of described A/D modular converter store delivery module is connected, and described signal stores the output terminal of delivery module and is connected with the input end of host computer.
3. flasher long duration test automatic monitored control system as claimed in claim 1, it is characterized in that: the positive polarity test side of the positive pole connection signal processing module of described photoresistance, the voltage negative pole test side of the negative pole connection signal processing module of described photoresistance.
4. flasher long duration test automatic monitored control system as claimed in claim 3, it is characterized in that: described signal processing module also comprises the first resistance, second resistance and the 3rd resistance, described first resistance is connected with photoresistance, the free end of the first resistance connects power supply, the free ending grounding of photoresistance, the base stage of the link connecting triode of the first resistance and photoresistance, one end of second resistance is connected between the base stage of triode and power supply, the collector of triode be connected with the 3rd resistance and the 4th resistance of connecting between power supply, the grounded emitter of triode, 3rd resistance and the 4th resistance link output signal to the Enable Pin of A/D modular converter, the signal output part of described signal processing module connects the signal input part of A/D modular converter.
5. flasher long duration test automatic monitored control system as claimed in claim 1, it is characterized in that: also there is warning device, described warning device is connected with host computer, and when Acquisition Circuit T time is not to host computer transmission signal, host computer drives warning device to report to the police.
6. flasher long duration test automatic monitored control system as claimed in claim 1, is characterized in that: described shading box internal coat has reflectorized material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510113286.9A CN104730469A (en) | 2015-03-16 | 2015-03-16 | Automatic monitor system for flasher endurance test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510113286.9A CN104730469A (en) | 2015-03-16 | 2015-03-16 | Automatic monitor system for flasher endurance test |
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| CN104730469A true CN104730469A (en) | 2015-06-24 |
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| CN201510113286.9A Pending CN104730469A (en) | 2015-03-16 | 2015-03-16 | Automatic monitor system for flasher endurance test |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108833800A (en) * | 2018-06-29 | 2018-11-16 | 春笋新科技(深圳)有限公司 | A kind of light-operated circuit, user's control Activity recognition method and device |
| CN113188775A (en) * | 2021-07-02 | 2021-07-30 | 成都康拓兴业科技有限责任公司 | Aviation anticollision lamp flash frequency tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108833800A (en) * | 2018-06-29 | 2018-11-16 | 春笋新科技(深圳)有限公司 | A kind of light-operated circuit, user's control Activity recognition method and device |
| CN113188775A (en) * | 2021-07-02 | 2021-07-30 | 成都康拓兴业科技有限责任公司 | Aviation anticollision lamp flash frequency tester |
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Application publication date: 20150624 |