CN209280273U - LED test card - Google Patents
LED test card Download PDFInfo
- Publication number
- CN209280273U CN209280273U CN201822169869.5U CN201822169869U CN209280273U CN 209280273 U CN209280273 U CN 209280273U CN 201822169869 U CN201822169869 U CN 201822169869U CN 209280273 U CN209280273 U CN 209280273U
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- test card
- main body
- led
- card main
- test
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Abstract
The utility model discloses a kind of LED test cards, including test card main body, integrated installation has master controller and color sensor in test card main body, toggle switch is installed on a wherein short side for test card main body, RS485 communication and cascaded switch are mounted on two short sides of test card main body, collecting fiber and fixed interface are installed in one long side of test card main body, SCM program download interface is installed in another long side.The utility model is small in size, at low cost in having the advantages that, LED test card in LED test card by each structure integrated installation；The wherein ID of the settable test card of toggle switch, when multiple LED test cards, which cascade, to be used, then different ID is arranged in each LED test card, RS485 communication and cascaded switch are used to power to whole circuit board, and it is used by RS485 connection host computer and expansion cascading, collecting fiber and fixed interface effect are that the optical signalling of LED to be measured is imported into color sensor by optical fiber, so that test card is easy to use, scalability is strong.
Description
Technical field
The utility model relates to field of optical measuring technologies, more particularly to LED test card.
Background technique
At present in testing field, many products all have LED light, in order to test the function of LED light, need to adopt
Then the brightness and coloration for collecting LED are analyzed, it is ensured that the color of LED and brightness meet design requirement.And the LED analysis of profession
Instrument can also acquire other optical information in addition to that can acquire brightness and coloration.Although the LED analyzer function of these professions is more,
It is expensive, and volume is also larger, cumbersome, and more man-machine interactively is needed to operate, this is difficult to meet automatic test equipment
Demand.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of LED test card, can solve existing LED points
Although analyzer function is more, it is expensive, and volume is also larger, cumbersome, and more man-machine interactively is needed to operate, and is difficult full
The problem of sufficient automatic test equipment demand.
In order to solve the above technical problems, the utility model provides the following technical solutions: LED test card, including test card master
Body, integrated installation has master controller and color sensor, a wherein short side for the test card main body in the test card main body
On toggle switch is installed, be mounted on two short sides of the test card main body RS485 communication and cascaded switch, the test
Collecting fiber and fixed interface are installed in one long side of card main body, SCM program download interface is installed in another long side.
As a kind of optimal technical scheme of the utility model, communicated between the adjacent test card main body by RS485
The test card group that composition is formed by several test card main bodys is mutually cascaded with cascaded switch, one end of the test card group passes through
RS485 communication and cascaded switch and host computer communication connection, the other end is communicated by RS485 and cascaded switch electrically connects with power supply
It connects.
As a kind of optimal technical scheme of the utility model, the cascade quantity of the test card main body is 1-16.
Collecting fiber and fixation as a kind of optimal technical scheme of the utility model, in each test card main body
Interface is respectively provided with there are four serial ports.
As a kind of optimal technical scheme of the utility model, the master controller is STC12LE5A60S2 single-chip microcontroller, institute
State the model TCS34725 of color sensor.
Compared with prior art, the attainable beneficial effect of the utility model is: the utility model is by master controller, color
Sensor, toggle switch, RS485 communication and cascaded switch, collecting fiber and fixed interface, SCM program download interface are integrated
It is installed in LED test card, has the advantages that LED test card small in size, at low cost；The wherein settable test card of toggle switch
ID, when multiple LED test cards cascade in use, then each LED test card is arranged different ID, RS485 communication and cascade are opened
It closes and is used to power to whole circuit board, and used by RS485 connection host computer and expansion cascading, collecting fiber and fixed interface
Effect is that the optical signalling of LED to be measured is imported into color sensor by optical fiber, and SCM program downloads mouth and works as single-chip microcontroller journey
When sequence needs to upgrade, so that test card connection is easy to use, and the different numbers of detection can be cascaded by this interface more new procedures
The LED light signal of amount, scalability are strong.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model test card；
Fig. 2 is the test demonstration graph of the utility model test card；
Fig. 3 is the circuit diagram of the utility model test card；
Wherein: 1, test card main body；2, toggle switch；3, RS485 communication and cascaded switch；4, collecting fiber and fixation connect
Mouthful；5, SCM program download interface.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
It please refers to shown in Fig. 1-3, LED test card, including test card main body 1, integrated installation has master control in test card main body 1
Device and color sensor processed are equipped with toggle switch 2, two short sides of test card main body 1 on a wherein short side for test card main body 1
On be mounted on RS485 communication and cascaded switch 3, collecting fiber and fixed interface are installed in a long side of test card main body 1
4, SCM program download interface 5 is installed in another long side.
By RS485 communication and cascaded switch 3 mutually cascade composition by several test card masters between adjacent test card main body 1
The test card group that body 1 is formed, one end of test card group are another by RS485 communication and cascaded switch 3 and host computer communication connection
End is electrically connected with the power supply by RS485 communication and cascaded switch 3.
The cascade quantity of test card main body 1 is 1-16.Collecting fiber and fixed interface 4 in each test card main body 1
Serial ports there are four being respectively provided with.Master controller is STC12LE5A60S2 single-chip microcontroller, the model TCS34725 of color sensor.
Specifically, the utility model LED test card is mainly led to by master controller, color sensor, toggle switch 2, RS485
News and cascaded switch 3, collecting fiber and fixed interface 4, SCM program download interface 5 form, and wherein toggle switch 2 is settable
The ID of test card, when multiple LED test cards cascade in use, then each LED test card is arranged different ID, RS485 communication and
Cascaded switch 3 be used to give whole circuit board power supply, and by RS485 connection host computer and expansion cascading use, collecting fiber and
The effect of fixed interface 4 is that the optical signalling of LED to be measured is imported into color sensor, SCM program download interface by optical fiber
5 when SCM program needs to upgrade, and can pass through this interface more new procedures；Test card carries out light using TCS34725FN chip
The acquisition of amount uses STC12LE5A60S2 as master controller, and each test card has 4 acquisition channels, uses 485 serial ports
It communicates (baud rate: 19200bps, HEX mode) and carries out information exchange, host computer can carry out optical quantities to each channel
It reads, test card then returns to the R of the channel LED lamp, G, B value.In order to increase the versatility of this test card, this test card goes here and there mouth
Mouth is changed to RS485 mode, when product LED quantity is more, can pass through 485 cascade systems and extend LED TCH test channel, this test
Card at most can extend to 64 LED TCH test channels, and (most 16 test cards cascades, 4 toggle switch are set gradually at this time
16 kinds of different states (serial communication instruction is as shown in the table :)), when test, pass through RS485 between adjacent test card main body 1
Communication and the mutually cascade of cascaded switch 3 form test card group, one end of test card group communicated by RS485 and cascaded switch 3 and
Host computer communication connection, the other end are electrically connected with the power supply by RS485 communication and cascaded switch 3, and color sensor passes through light
Fibre acquisition and fixed interface 4 are connect with product optical fiber to be measured, carry out optically detecting, and transmit data after sensor is handled
To single-chip microcontroller, single-chip microcontroller by serial ports is transmitted to host computer after being handled these information, finally shows detection knot by display screen
Fruit.
Serial communication instructs (character string) as follows:
Before factory, need to carry out white balance setting to test card, the optical quantities read in this way are only accurately.
It is such as that ON, ON, ON then send 24 when 0 channel of the LED test card of ON carries out optical quantities reading to toggle switch
00 00 00 00 2A。
The embodiments of the present invention is without being limited thereto, according to the above embodiments of the present invention content, utilizes ability
The routine techniques knowledge and customary means in domain, under the premise of not departing from the utility model above-mentioned basic fundamental thought, it is above preferably
Embodiment can also make the modification, replacement or combination of other diversified forms, and other embodiments obtained all fall within practical
Within novel rights protection scope.
Claims (5)
1.LED test card, including test card main body (1), which is characterized in that integrated installation has master on the test card main body (1)
Controller and color sensor are equipped with toggle switch (2), the test on a wherein short side for the test card main body (1)
RS485 communication and cascaded switch (3) are mounted on two short sides of card main body (1), in a long side of the test card main body (1)
Collecting fiber and fixed interface (4) are installed, SCM program download interface (5) are installed in another long side.
2. LED test card according to claim 1, which is characterized in that pass through between the adjacent test card main body (1)
The test card group that RS485 communication and cascaded switch (3) mutually cascade composition are formed by several test card main bodys (1), the test
By RS485 communication and cascaded switch (3) and host computer communication connection, the other end passes through RS485 communication and grade for one end of card group
Connection switch (3) is electrically connected with the power supply.
3. LED test card according to claim 2, which is characterized in that the cascade quantity of the test card main body (1) is 1-
16.
4. LED test card according to claim 1, which is characterized in that the optical fiber on each test card main body (1) is adopted
Collection and fixed interface (4) are respectively provided with there are four serial ports.
5. LED test card according to claim 1, which is characterized in that the master controller is STC12LE5A60S2 monolithic
Machine, the model TCS34725 of the color sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169869.5U CN209280273U (en) | 2018-12-21 | 2018-12-21 | LED test card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822169869.5U CN209280273U (en) | 2018-12-21 | 2018-12-21 | LED test card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280273U true CN209280273U (en) | 2019-08-20 |
Family
ID=67606797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822169869.5U Expired - Fee Related CN209280273U (en) | 2018-12-21 | 2018-12-21 | LED test card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209280273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954825A (en) * | 2019-11-08 | 2020-04-03 | 广州光中科技有限公司 | Dynamometer switcher, multi-dynamometer switcher cascade device and control method thereof |
| CN112924852A (en) * | 2021-02-21 | 2021-06-08 | 深圳市微特精密科技股份有限公司 | Fan simulation test method and fan simulation test card |
| CN113776776A (en) * | 2021-09-06 | 2021-12-10 | 朗戈智能系统(上海)有限公司 | General type lamps and lanterns detect controller |
-
2018
- 2018-12-21 CN CN201822169869.5U patent/CN209280273U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954825A (en) * | 2019-11-08 | 2020-04-03 | 广州光中科技有限公司 | Dynamometer switcher, multi-dynamometer switcher cascade device and control method thereof |
| CN110954825B (en) * | 2019-11-08 | 2023-06-02 | 广州光中科技有限公司 | Dynamometer switcher, cascading device of multiple dynamometer switcher and control method of cascading device |
| CN112924852A (en) * | 2021-02-21 | 2021-06-08 | 深圳市微特精密科技股份有限公司 | Fan simulation test method and fan simulation test card |
| CN113776776A (en) * | 2021-09-06 | 2021-12-10 | 朗戈智能系统(上海)有限公司 | General type lamps and lanterns detect controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20211221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |