CN204556802U - LED car lamp detector - Google Patents
LED car lamp detector Download PDFInfo
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- CN204556802U CN204556802U CN201520225858.8U CN201520225858U CN204556802U CN 204556802 U CN204556802 U CN 204556802U CN 201520225858 U CN201520225858 U CN 201520225858U CN 204556802 U CN204556802 U CN 204556802U
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Abstract
The utility model provides a kind of LED car lamp detector, comprise: programmable DC power module, comprise current-voltage sampling unit, pressure regulation unit, over-current protecting unit and the first storage unit, current-voltage sampling unit comprises sampling resistor, operational amplifier and analog to digital converter, and pressure regulation unit comprises voltage raising and reducing circuit; Electronic control module, be electrically connected with programmable DC power module by the first communication module, electronic control module comprises touch-screen control module, input and output control unit, extended interface unit and the second storage unit, input and output control unit comprises voltage driver and relay, and extended interface unit comprises in-out box; Touch screen display module, is electrically connected with electronic control module by the second communication module, and whether the utility model the current/voltage of the examined product of automatic decision can meet factory calibration, and detector versatility is high, simple to operate and precision is high.
Description
Technical field
The utility model relates to LED field tests, particularly relates to a kind of LED car lamp detector.
Background technology
Along with the progressively development of LED illumination lamp, in public arenas such as lighting engineering floor lights, LED instead of some conventional light source products gradually.2009, LED started to enter main flow illumination in developed country and popularizes.Higher in the electricity charge, the business application places that service time is longer, LED lamp becomes rapidly the new lover in market.The LED illumination lamp of based semiconductor technology have structure simple, respond the advantages such as quick, energy-efficient, environment-protecting long-life, but because single led luminous power is very little, so generally many LED can be made according to different requirements the form of array, by making it as the higher high performance illumination light source of practicality in little long-pending large mode.Due to the self-characteristic of LED, all there is big and small difference in its magnitude of voltage, light intensity value, and brightness is differed.
Nowadays LED plays important role in automobile lamp, a lot of automobile production manufacturer attempts car light to be designed to LED car lamp one after another, the A8L of Audi such as, just carry the LED car lamp of high brightness and beautiful design, be subject to liking of user, the discussion therefore for LED car lamp system for detecting electrical property also has a very big significance.In car light manufacturing, for the electrical property testing device of LED lamp and wiring board thereof, what widely use is customize the lighting power supply in single product, and its advantage is that cost is low, simple to operate.But owing to being confined to the design of hardware and software for single product, sample rate current voltage is only relatively accurate in very low range, does not possess wide usage.And the universal scheme proposed in the past, by utilize touch screen and built-in can the current voltmeter of communication, setting and the detection of multi-product can be realized, but high cost, complicated operation, and sampling precision is not ideal enough.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of LED car lamp detector, detects that versatility is not high, complicated operation and the not high problem of precision for solving LED car lamp in prior art.
For achieving the above object and other relevant objects, the utility model provides a kind of LED car lamp detector, comprise: programmable DC power module, comprise current-voltage sampling unit, pressure regulation unit, over-current protecting unit and the first storage unit, described current-voltage sampling unit comprises sampling resistor, operational amplifier and analog to digital converter, and described pressure regulation unit comprises voltage raising and reducing circuit; Electronic control module, be electrically connected with described programmable DC power module by the first communication module, described electronic control module comprises touch-screen control module, input and output control unit, extended interface unit and the second storage unit, described input and output control unit comprises voltage driver and relay, and described extended interface unit comprises in-out box; Touch screen display module, is electrically connected with described electronic control module by the second communication module.
Optionally, the voltage range that described pressure regulation unit regulates is 0 ~ 24V.
Optionally, the upper limit current of described over-current protecting unit is 2000mA.
Optionally, described programmable DC power module is the XC2234L chip of Infineon.
Optionally, described electronic control module is the MC9S12P chip of Freescale.
Optionally, described touch screen display module is the ZTM640480S56 intelligence serial ports display terminal of Zhou Ligong.
As mentioned above, LED car lamp detector of the present utility model, the current/voltage of the examined product of automatic decision whether can meet factory calibration, detector versatility is high, simple to operate and precision is high.
Accompanying drawing explanation
Fig. 1 is shown as LED car lamp detector of the present utility model modular structure schematic diagram in one embodiment.
Fig. 2 is shown as touch screen display module of the present utility model display interface schematic diagram in one embodiment.
Embodiment
Below by way of specific instantiation, embodiment of the present utility model is described, those skilled in the art the content disclosed by this instructions can understand other advantages of the present utility model and effect easily.The utility model can also be implemented or be applied by embodiments different in addition, and the every details in this instructions also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present utility model.It should be noted that, when not conflicting, the feature in following examples and embodiment can combine mutually.
It should be noted that, the diagram provided in following examples only illustrates basic conception of the present utility model in a schematic way, then only the assembly relevant with the utility model is shown in diagram but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
Refer to Fig. 1, be shown as a kind of LED car lamp detector of the present utility model modular structure schematic diagram in one embodiment, described LED car lamp detector 1 comprises:
Programmable DC power module 11, comprise current-voltage sampling unit 111, pressure regulation unit 112, over-current protecting unit 113 and the first storage unit 114, described current-voltage sampling unit 111 comprises sampling resistor, operational amplifier and analog to digital converter, in order to measure the voltage of electric current in the output loop of programmable DC power module 11 and output, described pressure regulation unit 112 comprises voltage raising and reducing circuit, in order to the voltage of output-controlled system, in the present embodiment, the voltage range that described pressure regulation unit 112 regulates is 0 ~ 24V; Tell the data of the first memory module 114 in order to storage voltage calibration with current signal, and the upper limit current of described over-current protecting unit 113 is 2000mA, and in the present embodiment, described programmable DC power module 11 selects the XC2234L chip of Infineon.
Electronic control module 13, be electrically connected with described programmable DC power module 11 by the first communication module 12, described first communication module 12 is such as RS232 serial communication modular or Radio-Frequency Wireless Communication module etc., described electronic control module 13 comprises touch-screen control module 131, input and output control unit 132, extended interface unit 133 and the second storage unit 134, and described touch-screen control module 131 is in order to the element on operation scheduling touch screen display interface.Described input and output control unit 132 comprises voltage driver and relay, exports, with the present embodiment, preferably switch in passage one, passage two, passage three and the passage fourth class four passages in order to the switching controlling different passage.Described extended interface unit 133 comprises in-out box, in order to add difference in functionality assembly and system, as light type detection system, luminance detection system etc., described second storage unit 134, in order to storage products information and man-machine interface element, described product information such as comprises name of product, range of current, gear title and tunnel name etc.And in the present embodiment, described electronic control module 13 selects the MC9S12P chip of Freescale.
Touch screen display module 15, be electrically connected with described electronic control module 13 by the second communication module 14, described second communication module 14 is such as RS232 serial communication modular or Radio-Frequency Wireless Communication module etc., and described touch screen display module 15 is in order to show human-computer interaction interface.And in the present embodiment, described touch screen display module 15 selects the ZTM640480S56 intelligence serial ports display terminal of Zhou Ligong.
By described one 12 communication module, wherein said electronic control module 13 informs that voltage is transferred to given voltage by described pressure regulation unit 112, and upper current limit parameter is set to described over-current protecting unit 113, by operating described touch screen display module 15, set product information, as name of product, range of current, gear title, and tunnel name, product information is preserved in described second storage unit 134 of described electronic control module 13, the input and output control unit 132 controlled in described electronic control module 13 by operating described touch screen display module 15 opens corresponding relay, loop is formed with described programmable DC power module 11, by the voltage of the electric current in described current-voltage sampling unit 111 acquisition circuit and output, and state communication module 12 inform described electronic control module 13 electric current and voltage data by institute first, data are analyzed by described electronic control module 13, and on described touch screen display module 15 flow for displaying and result.Needed in addition to demarcate the electric current and voltage of described programmable DC power module 11 by the 12 pairs of high-precision electronic loads of described first communication module before detecting, calibrated data are stored in described first storage unit 114.
As Fig. 2 is shown as touch screen display module of the present utility model display interface schematic diagram in one embodiment, before carrying out LED detection, first click the voltage on panel, calibration with current signal, described programmable DC power module 11 can be made to be undertaken demarcating the electric current and voltage of high-precision electronic load by described first communication module 12, and calibrated data are stored in described first storage unit 114, afterwards, LED detection option on touch screen display module 15 display interface described in touch-control, the detection of LED can be carried out, and enter the main interface of LED detection, and real-time current/voltage value is shown on the display interface of described touch screen display module 15, product selects touch-control option, optimum configurations touch-control option, and the display etc. of testing result, when detecting defective, can show on the display interface of described touch screen display module 15 and represent the underproof mark of detection, such as " NG ", and hummer can be reported to the police, when detecting qualified, the display interface of described touch screen display module 15 shows the mark representing that detection is qualified, such as " OK ".
In sum, LED car lamp detector of the present utility model, the current/voltage of the examined product of automatic decision whether can meet factory calibration, detector versatility is high, simple to operate and precision is high.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (6)
1. a LED car lamp detector, is characterized in that, comprising:
Programmable DC power module, comprise current-voltage sampling unit, pressure regulation unit, over-current protecting unit and the first storage unit, described current-voltage sampling unit comprises sampling resistor, operational amplifier and analog to digital converter, and described pressure regulation unit comprises voltage raising and reducing circuit;
Electronic control module, be electrically connected with described programmable DC power module by the first communication module, described electronic control module comprises touch-screen control module, input and output control unit, extended interface unit and the second storage unit, described input and output control unit comprises voltage driver and relay, and described extended interface unit comprises in-out box;
Touch screen display module, is electrically connected with described electronic control module by the second communication module.
2. LED car lamp detector according to claim 1, is characterized in that: the voltage range that described pressure regulation unit regulates is 0 ~ 24V.
3. LED car lamp detector according to claim 1, is characterized in that: the upper limit current of described over-current protecting unit is 2000mA.
4. LED car lamp detector according to claim 1, is characterized in that: described programmable DC power module is the XC2234L chip of Infineon.
5. LED car lamp detector according to claim 1, is characterized in that: described electronic control module is the MC9S12P chip of Freescale.
6. LED car lamp detector according to claim 1, is characterized in that: described touch screen display module is the ZTM640480S56 intelligence serial ports display terminal of Zhou Ligong.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225858.8U CN204556802U (en) | 2015-04-15 | 2015-04-15 | LED car lamp detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225858.8U CN204556802U (en) | 2015-04-15 | 2015-04-15 | LED car lamp detector |
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| CN204556802U true CN204556802U (en) | 2015-08-12 |
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| CN201520225858.8U Active CN204556802U (en) | 2015-04-15 | 2015-04-15 | LED car lamp detector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205101A (en) * | 2016-12-19 | 2018-06-26 | 常州星宇车灯股份有限公司 | The detecting system and its method of rear combination lamp PCBA board based on machine vision |
| CN109959880A (en) * | 2019-03-20 | 2019-07-02 | 苏州巨擎电子科技有限公司 | A kind of program-controlled car light group lights detection device |
| CN111818704A (en) * | 2020-06-04 | 2020-10-23 | 深圳市周立功单片机有限公司 | Programmable car lamp controller |
-
2015
- 2015-04-15 CN CN201520225858.8U patent/CN204556802U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205101A (en) * | 2016-12-19 | 2018-06-26 | 常州星宇车灯股份有限公司 | The detecting system and its method of rear combination lamp PCBA board based on machine vision |
| CN109959880A (en) * | 2019-03-20 | 2019-07-02 | 苏州巨擎电子科技有限公司 | A kind of program-controlled car light group lights detection device |
| CN111818704A (en) * | 2020-06-04 | 2020-10-23 | 深圳市周立功单片机有限公司 | Programmable car lamp controller |
| CN111818704B (en) * | 2020-06-04 | 2022-10-11 | 深圳市周立功单片机有限公司 | Programmable car lamp controller |
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