CN109061525A - L ED driving power supply performance test system - Google Patents
L ED driving power supply performance test system Download PDFInfo
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- CN109061525A CN109061525A CN201811266830.3A CN201811266830A CN109061525A CN 109061525 A CN109061525 A CN 109061525A CN 201811266830 A CN201811266830 A CN 201811266830A CN 109061525 A CN109061525 A CN 109061525A
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- 238000011056 performance test Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000003750 conditioning effect Effects 0.000 claims description 55
- 238000005259 measurement Methods 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 11
- 230000001143 conditioned effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
Abstract
The invention discloses a performance test system of an L ED driving power supply, which comprises a controller, an input current detection module, an input voltage detection module, an output current detection module, an output voltage detection module and an input power calculation module, wherein the input current detection module is connected with a first input interface of the controller, the input voltage detection module is connected with a second input interface of the controller, the output current detection module is connected with a third input interface of the controller, the output voltage detection module is connected with a fourth input interface of the controller, and the input power calculation module is connected with a first output interface of the controller.
Description
Technical field
The present invention relates to LED technology field, more particularly to a kind of LED drive power Performance Test System.
Background technique
Currently, LED drive power is that power supply supply is converted to specific voltage and current to turn with the power supply for driving LED luminous
Parallel operation, the quality of driving power quality become the key technical problem of LED illumination industry development, are the hearts of LED industry chain, are
Give full play to the basic assurance of LED illumination advantage.
But in the LED drive power manufacturing enterprise in China, most of is all medium-sized and small enterprises, in order to reduce production cost,
These enterprises of LED drive power Design of Test System still complete the relevant quality of power supply using traditional manual test method and survey
Examination, such as multimeter, slide resistor, obtain input power value by artificial calculation processing, when calculated result meets given model
It encloses or when national standard then determines that tested power supply for qualification, is otherwise determined as unqualified；There is tested for test in this way
Journey is cumbersome, speed is slow, a large amount of manual operation is needed in test process, the processing time is long, and needs to handle in test process
Data volume it is larger.
Therefore, how to provide a kind of test macro that can automatically detect LED drive power performance is those skilled in the art
The problem of member's urgent need to resolve.
Summary of the invention
In view of this, realizing the present invention provides a kind of LED drive power Performance Test System to LED drive power
The automatic test and calculating of energy index parameter, while measuring accuracy with higher, use manpower and material resources sparingly.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of LED drive power Performance Test System, comprising:
Controller；
Input electric cur- rent measure module, the input electric cur- rent measure module is connect with the first input interface of the controller, described
Input electric cur- rent measure module is used to detect the current value of input；
Input voltage measurement module, the input voltage measurement module is connect with the second input interface of the controller, described
Input voltage measurement module is used to detect the voltage value of input；
Output electric current measure module, the output electric current measure module is connect with the third input interface of the controller, described
Output electric current measure module is used to detect the current value of output；
Output voltage detection module, the output voltage detection module is connect with the 4th input interface of the controller, described
Output voltage detection module is used to detect the voltage value of output；
Input power computing module, the input power computing module is connect with the first output interface of the controller, described
Input power computing module is for calculating input power.
LED drive power input voltage, input current, output voltage, defeated is completed using having the beneficial effect that for above-mentioned apparatus
The acquisition of electric current out, and collected related data is stored on the controller, while realizing the automatic calculating to input power.
It preferably, further include overheat protector module, the 5th input interface of the overheat protector module and the controller
Connection, the overheat protector module are used to detect the temperature of LED drive power and can adjust when temperature is higher than a certain threshold value
Save temperature value.
Preferably, the input electric cur- rent measure module includes:
First current sensor, first current sensor is for detecting input current signal；
First signal conditioning module, first current sensor are connect with first signal processing module, first letter
Number processing module is for being improved the input current signal to obtain input current conditioned signal；
First analog-digital converter, first signal conditioning module are connect with first analog-digital converter, and first mould
Number converter is connect with the first input interface of the controller, and first analog-digital converter is used for the input current tune
Reason signal is converted into input current data and is fed back to the controller.
Preferably, the input voltage measurement module includes:
First voltage sensor, the first voltage sensor is for detecting input voltage signal；
Second signal conditioning module, the first voltage sensor are connect with the second signal conditioning module, second letter
Number conditioning module is for being improved the input voltage signal to obtain input voltage conditioned signal；
Second analog-digital converter, the second signal conditioning module are connect with second analog-digital converter, and second mould
Number converter is connect with the second input interface of the controller, and second analog-digital converter is used for the input voltage tune
Reason signal is converted into input voltage data and is fed back to the controller.
Preferably, the output electric current measure module includes:
Second current sensor, second current sensor is for detecting output current signal；
Third signal conditioning module, second current sensor are connect with the third signal conditioning module, the third letter
Number conditioning module is used to that the output current signal to be improved to obtain output current regulating signal；
Third analog-digital converter, the third signal conditioning module are connect with the third analog-digital converter, and the third mould
Number converter is connect with the third input interface of the controller, and the third analog-digital converter is used for the output electric current tune
Reason signal is converted into output current data and is fed back to the controller.
Preferably, the output voltage detection module includes:
Second voltage sensor, the second voltage sensor is for detecting output voltage signal；
Fourth signal conditioning module, the second voltage sensor are connect with the fourth signal conditioning module, the 4th letter
Number conditioning module is used to be improved the output voltage signal to obtain output conditioning voltage signal；
4th analog-digital converter, the fourth signal conditioning module are connect with first analog-digital converter, and the 4th mould
Number converter is connect with the 4th input interface of the controller, and the 4th analog-digital converter is used to the output improving electricity
Pressure signal is converted into output voltage data and is fed back to the controller.
It preferably, further include display screen, the display screen is connect with the second output interface of the controller, the display
Screen is for showing the data of detection.
It preferably, further include interface module, the interface module is connect with the communication interface of the controller, passes through interface
Module controller can be connect with other electronic equipments, and data are recalled and analyzed.
Preferably, the interface module is any one of RS232, RS485 and USB or appoints several.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides a kind of LED drive powers
Performance Test System can test automatically the performance parameter of tested LED power supply, solve and test in artificial test process
The problem that data volume is big, test process is cumbersome, avoid because the testing time it is different in size caused by misjudge and erroneous judgement, greatly improve
Testing efficiency and test accuracy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is the whole functional block diagram of LED drive power Performance Test System of the present invention；
Fig. 2 attached drawing is the input electric cur- rent measure module principle block diagram of LED drive power Performance Test System of the present invention；
Fig. 3 attached drawing is the input voltage measurement module principle block diagram of LED drive power Performance Test System of the present invention；
Fig. 4 attached drawing is the output electric current measure module principle block diagram of LED drive power Performance Test System of the present invention；
Fig. 5 attached drawing is the output voltage detection module functional block diagram of LED drive power Performance Test System of the present invention；
Fig. 6 attached drawing is overheat protector module circuit schematic in LED drive power Performance Test System embodiment of the present invention；
In Fig. 1-Fig. 6,
1- controller, 2- input electric cur- rent measure module, 3- input voltage measurement module, 4- output electric current measure module, 5- output
Voltage detection module, 6- input power computing module, 7- overheat protector module, 8- display screen, 9- interface module；
The first current sensor of 21-, the first signal conditioning module of 22-, the first analog-digital converter of 23-, 31- first voltage sensing
Device, 32- second signal conditioning module, the second analog-digital converter of 33-, the second current sensor of 41-, 42- third signal condition mould
Block, 43- third analog-digital converter, 51- second voltage sensor, 52- fourth signal conditioning module, the 4th analog-digital converter of 53-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to figure 1, the embodiment of the invention discloses a kind of LED drive power Performance Test Systems, comprising:
Controller 1；
Input electric cur- rent measure module 2, input electric cur- rent measure module 2 are connect with the first input interface of controller 1, input current inspection
Survey the current value that module 2 is used to detect input；
Input voltage measurement module 3, input voltage measurement module 3 are connect with the second input interface of controller 1, input voltage inspection
Survey the voltage value that module 3 is used to detect input；
Output electric current measure module 4, output electric current measure module 4 are connect with the third input interface of controller 1, output electric current inspection
Survey the current value that module 4 is used to detect output；
Output voltage detection module 5, output voltage detection module 5 are connect with the 4th input interface of controller 1, output voltage inspection
Survey the voltage value that module 5 is used to detect output；
Input power computing module 6, input power computing module 6 are connect with the first output interface of controller 1, input power meter
Module 6 is calculated for calculating input power.
It in a specific embodiment, further include overheat protector module 7, overheat protector module 7 and the 5th of controller 1
Input interface connection, overheat protector module 7 is for detecting temperature and protecting circuit.
Specifically, the circuit diagram of overheat protector module 7 may refer to shown in attached drawing 6, including a current control IC core
Piece U1,1 pin of current control IC chip U1 connect one end of capacitor C1 while being grounded, and the other end of capacitor C1 is connecing power supply just simultaneously
Pole and one end of resistance R1,2 pin of another termination of resistance R1,3 pins connect the anode of diode D1, and the cathode of diode D1 connects
One end of resistance R1 is grounded simultaneously, one end of 4 pin resistance R3, the cathode and resistance R2 of another terminating diode D2 of resistance R3
One end, 5 pin of another termination of resistance R2, the positive connecting resistance R4 of diode D2 and one end of thermistor R5, resistance R4
One end of another terminating resistor R3 be grounded simultaneously, one end of another terminating resistor R2 of thermistor R5 is connecing power supply just simultaneously
Pole.If the voltage of the centre of resistance R2 and resistance R3 is V1, the voltage of resistance R4 and resistance R5 intermediate point is V2, and R5 can connect
With sensing temperature in LED drive power, when the temperature of LED drive power increases, the resistance value of R5 can be decreased, at this time V2
Voltage can increase, and when V2 voltage is more than V1, can be decreased until balance, current control by the electric current of LED drive power
The model of IC chip U1 can be MB1801.
In a specific embodiment, referring to shown in attached drawing 2, input electric cur- rent measure module 2 includes:
First current sensor 21, the first current sensor 21 is for detecting input current signal；
First signal conditioning module 22, the first current sensor 21 are connect with the first signal processing module 22, the first signal processing
Module 22 is for being improved input current signal to obtain input current conditioned signal；
First analog-digital converter 23, the first signal conditioning module 22 is connect with the first analog-digital converter 23, and the first analog-to-digital conversion
Device 23 is connect with the first input interface of controller 1, and the first analog-digital converter 23 is for input current conditioned signal to be converted into
Input current data are simultaneously fed back to controller 1.
In a specific embodiment, referring to shown in attached drawing 3, input voltage measurement module 3 includes:
First voltage sensor 31, first voltage sensor 31 is for detecting input voltage signal；
Second signal conditioning module 32, first voltage sensor 31 are connect with second signal conditioning module 32, second signal conditioning
Module 32 is for being improved input voltage signal to obtain input voltage conditioned signal；
Second analog-digital converter 33, second signal conditioning module 32 is connect with the second analog-digital converter 33, and the second analog-to-digital conversion
Device 33 is connect with the second input interface of controller 1, and the second analog-digital converter 33 is for input voltage conditioned signal to be converted into
Input voltage data are simultaneously fed back to controller 1.
In a specific embodiment, referring to shown in attached drawing 4, output electric current measure module 4 includes:
Second current sensor 41, the second current sensor 41 is for detecting output current signal；
Third signal conditioning module 42, the second current sensor 41 are connect with third signal conditioning module 42, third signal condition
Module 42 is used to that output current signal to be improved to obtain output current regulating signal；
Third analog-digital converter 43, third signal conditioning module 42 are connect with third analog-digital converter 43, and third analog-to-digital conversion
Device 43 is connect with the third input interface of controller 1, and third analog-digital converter 43 is converted into for that will export current regulating signal
Output current data is simultaneously fed back to controller 1.
In a specific embodiment, referring to shown in attached drawing 5, output voltage detection module 5 includes:
Second voltage sensor 51, second voltage sensor 51 is for detecting output voltage signal；
Fourth signal conditioning module 52, second voltage sensor 51 are connect with fourth signal conditioning module 52, fourth signal conditioning
Module 52 is used to be improved output voltage signal to obtain output conditioning voltage signal；
4th analog-digital converter 53, fourth signal conditioning module 52 is connect with the first analog-digital converter 23, and the 4th analog-to-digital conversion
Device 53 is connect with the 4th input interface of controller 1, and the 4th analog-digital converter 53 is converted into for that will export conditioning voltage signal
Output voltage data are simultaneously fed back to controller 1.
Specifically, the first current sensor 21 can use model MCE-IJ03 AC current sensor, the second electric current
Sensor 41 can use model MCE-IZ04 DC current sensor, and first voltage sensor 31 can use model
LCT2711 AC voltage sensor, second voltage sensor 51 can use the single channel direct current of model NB-DV1B0-A2MB
Pressure sensor, the first analog-digital converter 23, the second analog-digital converter 33, third analog-digital converter 43 and the 4th analog-digital converter 53
The analog-digital converter of model ADS825E can be used；First signal conditioning module 22, second signal conditioning module 32, third
Signal conditioning module 42 and fourth signal conditioning module 52 include sequentially connected low-pass filter and amplifier.
It in a specific embodiment, further include display screen 8, the second output interface company of display screen 8 and controller 1
It connects, display screen 8 is used to show the data of detection.
It in a specific embodiment, further include interface module 9, the communication interface company of interface module 9 and controller 1
It connects.
In a specific embodiment, interface module 9 is any one of RS232, RS485 and USB or appoints several.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (9)
1. a kind of LED drive power Performance Test System characterized by comprising
Controller (1)；
Input electric cur- rent measure module (2), the first input interface of the input electric cur- rent measure module (2) and the controller (1)
Connection, the input electric cur- rent measure module (2) are used to detect the current value of input；
Input voltage measurement module (3), the second input interface of the input voltage measurement module (3) and the controller (1)
Connection, the input voltage measurement module (3) are used to detect the voltage value of input；
Output electric current measure module (4), the third input interface of the output electric current measure module (4) and the controller (1)
Connection, the output electric current measure module (4) are used to detect the current value of output；
Output voltage detection module (5), the 4th input interface of the output voltage detection module (5) and the controller (1)
Connection, the output voltage detection module (5) are used to detect the voltage value of output；
Input power computing module (6), the first output interface of the input power computing module (6) and the controller (1)
Connection, the input power computing module (6) is for calculating input power.
2. a kind of LED drive power Performance Test System according to claim 1, which is characterized in that further include that excess temperature is protected
It protects module (7), the overheat protector module (7) connect with the 5th input interface of the controller (1), the overheat protector mould
Block (7) is for protecting circuit.
3. a kind of LED drive power Performance Test System according to claim 1, which is characterized in that the input current
Detection module (2) includes:
First current sensor (21), first current sensor (21) is for detecting input current signal；
First signal conditioning module (22), first current sensor (21) and first signal processing module (22) are even
It connects, first signal processing module (22) is used to be improved the input current signal to obtain input current conditioning letter
Number；
First analog-digital converter (23), first signal conditioning module (22) connect with first analog-digital converter (23),
And first analog-digital converter (23) connect with the first input interface of the controller (1), first analog-digital converter
(23) for the input current conditioned signal to be converted into input current data and is fed back to the controller (1).
4. a kind of LED drive power Performance Test System according to claim 1, which is characterized in that the input voltage
Detection module (3) includes:
First voltage sensor (31), the first voltage sensor (31) is for detecting input voltage signal；
Second signal conditioning module (32), the first voltage sensor (31) and the second signal conditioning module (32) are even
It connects, the second signal conditioning module (32) is used to be improved the input voltage signal to obtain input voltage conditioning letter
Number；
Second analog-digital converter (33), the second signal conditioning module (32) connect with second analog-digital converter (33),
And second analog-digital converter (33) connect with the second input interface of the controller (1), second analog-digital converter
(33) for the input voltage conditioned signal to be converted into input voltage data and is fed back to the controller (1).
5. a kind of LED drive power Performance Test System according to claim 1, which is characterized in that the output electric current
Detection module (4) includes:
Second current sensor (41), second current sensor (41) is for detecting output current signal；
Third signal conditioning module (42), second current sensor (41) and the third signal conditioning module (42) are even
It connects, the third signal conditioning module (42) is used to be improved the output current signal to obtain output current regulating letter
Number；
Third analog-digital converter (43), the third signal conditioning module (42) connect with the third analog-digital converter (43),
And the third analog-digital converter (43) connect with the third input interface of the controller (1), the third analog-digital converter
(43) for the output current regulating signal to be converted into output current data and is fed back to the controller (1).
6. a kind of LED drive power Performance Test System according to claim 1, which is characterized in that the output voltage
Detection module (5) includes:
Second voltage sensor (51), the second voltage sensor (51) is for detecting output voltage signal；
Fourth signal conditioning module (52), the second voltage sensor (51) and the fourth signal conditioning module (52) are even
It connects, the fourth signal conditioning module (52) is used to be improved the output voltage signal to obtain output conditioning voltage letter
Number；
4th analog-digital converter (53), the fourth signal conditioning module (52) connect with first analog-digital converter (23),
And the 4th analog-digital converter (53) connect with the 4th input interface of the controller (1), the 4th analog-digital converter
(53) for output conditioning voltage signal to be converted into output voltage data and is fed back to the controller (1).
7. a kind of LED drive power Performance Test System according to claim 1-6, which is characterized in that also wrap
It includes display screen (8), the display screen (8) connect with the second output interface of the controller (1), and the display screen (8) is used for
Show the data of detection.
8. a kind of LED drive power Performance Test System according to claim 1-6, which is characterized in that also wrap
It includes interface module (9), the interface module (9) connect with the communication interface of the controller (1).
9. a kind of LED drive power Performance Test System according to claim 8, which is characterized in that the interface module
(9) for any one of RS232, RS485 and USB or appoint several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266830.3A CN109061525A (en) | 2018-10-29 | 2018-10-29 | L ED driving power supply performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811266830.3A CN109061525A (en) | 2018-10-29 | 2018-10-29 | L ED driving power supply performance test system |
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| Publication Number | Publication Date |
|---|---|
| CN109061525A true CN109061525A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811266830.3A Withdrawn CN109061525A (en) | 2018-10-29 | 2018-10-29 | L ED driving power supply performance test system |
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| Country | Link |
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| CN (1) | CN109061525A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848499A (en) * | 2021-09-28 | 2021-12-28 | 珠海格力电器股份有限公司 | Parameter monitoring method and device of driving power supply and driving power supply system |
-
2018
- 2018-10-29 CN CN201811266830.3A patent/CN109061525A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113848499A (en) * | 2021-09-28 | 2021-12-28 | 珠海格力电器股份有限公司 | Parameter monitoring method and device of driving power supply and driving power supply system |
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