CN206990769U - A kind of load blocks for LED drive power test - Google Patents
A kind of load blocks for LED drive power test Download PDFInfo
- Publication number
- CN206990769U CN206990769U CN201720658817.7U CN201720658817U CN206990769U CN 206990769 U CN206990769 U CN 206990769U CN 201720658817 U CN201720658817 U CN 201720658817U CN 206990769 U CN206990769 U CN 206990769U
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- China
- Prior art keywords
- led lamp
- lamp bead
- change
- drive power
- over circuit
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Abstract
It the utility model is related to LED testing fields, a kind of more particularly to load blocks for LED drive power test, including shell, loading section and switching part, wherein switching part includes change-over circuit and converter, change-over circuit electrically connects with converter, and loading section is located in shell with change-over circuit；In loading section access change-over circuit；Partial circuit, which is connected and then realized in loading section, in the adjustable change-over circuit of converter is partly into working condition.Load blocks of the present utility model for LED drive power test, it can be designed and make according to the parameter of LED drive power to be measured, testable scope is wider and more flexible；LED lamp bead group by changing access change-over circuit realizes the change of load blocks both end voltage value, meets the nonlinear requirements of LED drive power, is not in the situation that LED drive power is scrapped.
Description
Technical field
It the utility model is related to LED testing fields, more particularly to a kind of load blocks for LED drive power test.
Background technology
LED is just stepped into the stage of popularization as a kind of illuminating lamp, but in its production process, either light source,
Driving power either test or is overhauled still into lamp, always due to failure itself, along with method and instrument selection not
It is suitable, safety measure is not in place etc., causes portioned product to damage, or even scrap, this not only increases be produced into a certain extent
This, and it is also dangerous during employee's operation.
In LED drive power production, the producer of general scale is surveyed using DC Electronic Loads plus power meter more
Examination and maintenance, due to LED drive power category nonlinear device, and DC Electronic Loads are linear loads, when polar component is put
Instead, failed part or during failed shorted, power panel electric arc occurs in test, burns, phenomena such as element is burst, makes these driving powers
Majority is scrapped.
Utility model content
For problems of the prior art, the utility model provides a kind of load for LED drive power test
Module.
A kind of load blocks for LED drive power test, load blocks include shell, loading section and switching part
Point, wherein：
Switching part includes change-over circuit and converter, and change-over circuit electrically connects with converter, loading section and conversion electricity
Road is located in shell；
In loading section access change-over circuit；Converter can adjust partial circuit in change-over circuit and connect and then realize load
Working condition is partly into part.
Further, loading section is LED lamp bead plate, and LED lamp bead plate is installed inside the housing.
Further, metallic plate of the LED lamp bead plate used in including multiple LED lamp bead groups and mounted LED lamp bulb group, each
LED lamp bead group includes multiple LED lamp beads, and LED lamp bead is each attached on metallic plate, and realizes and electrically connect with metallic plate.
Further, change-over circuit includes multiple branches, and converter includes multiple gears, the quantity of branch and the number of gear
Measure it is identical, and correspond；It can realize that any one branch in change-over circuit is connected by operating converter.
Further, the quantity of LED lamp bead group is identical with the quantity of the branch in switching circuit, and each LED lamp bead groups
Access in corresponding branch；
The LED lamp bead quantity that each LED lamp bead group includes is different.
Further, load blocks also include driving power incoming end, and driving power incoming end includes positive terminal and negative pole
End, positive pole terminate at the positive pole of driving power to be measured, and negative pole terminates at the negative pole of driving power to be measured, and converter is according to drive to be measured
The parameter of dynamic power supply selects the branch in corresponding switching circuit.
Further, in addition to display device, display device electrically connect with switching part, for showing the work of switching part
Make status information.
Load blocks of the present utility model for LED drive power test, have the advantages that：
1st, load blocks of the present utility model can be designed and make according to the parameter of LED drive power to be measured,
Testable scope is wider and more flexible；
2nd, the LED lamp bead group that change-over circuit is accessed by changing realizes the change of load blocks both end voltage value, meets LED
The nonlinear requirements of driving power, be not in the situation that LED drive power is scrapped.
Brief description of the drawings
, below will be to embodiment for clearer explanation the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it is clear that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the load blocks structure chart for being used for LED drive power test of the utility model embodiment；
Fig. 2 is the load blocks composition figure for being used for LED drive power test of the utility model embodiment；
Wherein：1- shells, 2- converters, 3-LED lamp bead plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the embodiment of the utility model is carried out it is clear,
Complete description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those skilled in the art is not on the premise of creative work is made
The all other embodiment obtained, belongs to the scope of protection of the utility model.
As shown in figure 1, be it is of the present utility model it is a kind of for LED drive power test load blocks, including shell 1,
Loading section and switching part；Wherein switching part includes change-over circuit and converter 2, and change-over circuit electrically connects with converter 2,
Loading section is located in shell 1 with change-over circuit；In loading section access change-over circuit；Converter 2 can adjust in change-over circuit
Partial circuit, which is connected and then realized in loading section, is partly into working condition；Material the utility model of shell 1 is not done
It is specific to limit, it is preferred that to be made from the material of good heat dispersion performance.
Specifically, loading section is LED lamp bead plate 3, LED lamp bead plate 3 is installed inside the housing, and LED lamp bead plate 3 includes more
Metallic plate used in individual LED lamp bead group and mounted LED lamp bulb group, each LED lamp bead group include multiple LED lamp beads, LED lamp bead
It is each attached on metallic plate, and realizes and electrically connect with metallic plate.
Specifically, the change-over circuit in the present embodiment includes multiple branches, converter 2 includes multiple gears, the number of branch
Amount is identical with the quantity of gear, and corresponds；It can realize that any one branch in change-over circuit connects by operating converter 2
It is logical.The quantity of LED lamp bead group is identical with the quantity of the branch in switching circuit, and each LED lamp bead group access is corresponding
In branch；The LED lamp bead quantity that each LED lamp bead group includes is different.Change-over circuit of the present utility model can be realized by electric wire
With the connection of loading section, the electrical connection between LED lamp bead group can be also realized by microstrip line of being arranged on LED lamp bead plate 3,
Insulating barrier is provided with the metallic plate of mounted LED lamp bulb group, multiple LED lamp bead groups is respectively connected to corresponding branch
In.
Specifically, load blocks also include display device, display device electrically connects with switching part, for showing switching part
The work state information divided.For example, show just in some branch of working condition, and the LED lamp bead number accessed in the branch
Amount, there is the magnitude of voltage at the branch both ends etc..The utility model is not limited the specific implementation of display device, can be selected
LCDs is controlled by chip microcontroller, can also be formed by soft copy matrix, DC driven, absolutely not stroboscopic, protects eyesight,
It is cheap.
The present embodiment is not specifically limited to the arrangement mode of LED lamp bead, it is preferred that it is easy to the arrangement of change-over circuit, will
All LED lamp beads are according to regular branch point row welding.LED lamp bead group in the present embodiment can access multiple change-over circuits simultaneously
Branch in, realize multiple utilization, such as LED lamp bead plate 3 includes LED lamp beads group 1, LED lamp bead group 2, LED lamp bead group 3, LED
Lamp bead group 4, LED lamp bead group 5, wherein LED lamp beads group 3 are made up of LED lamp bead group 1 and LED lamp bead group 2, LED lamp bead group 5 by
LED lamp bead group 3 is formed with LED lamp bead group 4, and the LED lamp bead quantity of LED lamp bead group 1, LED lamp bead group 2, LED lamp bead group 4 is set
Put unequal, can realize in LED lamp bead group 1, LED lamp bead group 2, LED lamp bead group 3, LED lamp bead group 4 and LED lamp bead group 5
Comprising LED lamp bead quantity be not mutually equal, it is corresponding to have branch 1, branch 2, branch 3, branch 4 and branch 5, it is only necessary to
LED lamp bead group 1 is accessed in branch 1, LED lamp bead group 2 is accessed in branch 2, and LED lamp bead group 4 is accessed in branch 4, by LED
Pearl group 1, LED lamp beads group 2 are accessed in branch 3, and LED lamp bead group 1, LED lamp bead group 2, LED lamp bead group 4 are accessed in branch 5 just
It can be achieved.
Specifically, load blocks also include driving power incoming end, LED drive power incoming end includes positive terminal and negative pole
End, positive pole terminate at the positive pole of LED drive power to be measured, and negative pole terminates at the negative pole of LED drive power to be measured, converter 2
The branch in corresponding switching circuit is selected according to the parameter of driving power to be measured.Concrete shape of the utility model to converter 2
Do not limited with structure, the device of the converter function of relatively conventional achievable the present embodiment can be used in the prior art.
Specifically as shown in Fig. 2 the change-over circuit in the present embodiment includes n branch, converter 2 includes n gear,
LED lamp bead plate 3 includes n LED lamp bead group, and the corresponding branch of some specific gear and LED lamp bead group are connected, and turns
Parallel operation 2 selects the branch in corresponding switching circuit according to the parameter of driving power to be measured, and then adjusts and enter in load blocks
The LED lamp bead group of working condition.
The whole load blocks for LED drive power test can be carried out according to the parameter of LED drive power to be measured
Design and make, testable scope is wider and more flexible；LED lamp bead group by changing access change-over circuit is realized negative
The change of module both end voltage value is carried, meets the nonlinear requirements of LED drive power, is not in what LED drive power was scrapped
Situation.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to spirit and scope of the present utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment, belong to the scope that the utility model is protected.
Claims (7)
1. a kind of load blocks for LED drive power test, it is characterised in that load blocks include shell, loading section
With switching part, wherein：
The switching part includes change-over circuit and converter, and the change-over circuit electrically connects with the converter, the load
Part is located in the shell with the change-over circuit；
The loading section is accessed in the change-over circuit；The converter can adjust partial circuit in the change-over circuit and connect
And then realize in the loading section and be partly into working condition.
2. the load blocks for LED drive power test as claimed in claim 1, it is characterised in that the loading section
For LED lamp bead plate, the LED lamp bead plate is arranged on the enclosure.
3. the load blocks for LED drive power test as claimed in claim 2, it is characterised in that the LED lamp bead plate
Including the metallic plate used in multiple LED lamp bead groups and the installation LED lamp bead group, each LED lamp bead group includes multiple
LED lamp bead, the LED lamp bead are each attached on the metallic plate, and are realized and electrically connected with the metallic plate.
4. the load blocks for LED drive power test as claimed in claim 3, it is characterised in that the change-over circuit
Including multiple branches, the converter includes multiple gears, and the quantity of the branch is identical with the quantity of the gear, and one by one
It is corresponding；It can realize that any one of branch in the change-over circuit is connected by operating the converter.
5. the load blocks for LED drive power test as claimed in claim 4, it is characterised in that the LED lamp bead group
Quantity it is identical with the quantity of the branch in the switching circuit, and each LED lamp bead group access is corresponding
In the branch；
The LED lamp bead quantity that each LED lamp bead group includes is different.
6. the load blocks for LED drive power test as claimed in claim 5, it is characterised in that the load blocks
Also include driving power incoming end, the driving power incoming end includes positive terminal and negative pole end, and the positive pole terminates to be measured
The positive pole of driving power, the negative pole terminate at the negative pole of driving power to be measured, and the converter is according to driving power to be measured
The branch in the corresponding switching circuit of parameter selection.
7. the load blocks for LED drive power test as claimed in claim 5, it is characterised in that also include display dress
Put, the display device electrically connects with the switching part, for showing the work state information of the switching part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658817.7U CN206990769U (en) | 2017-06-08 | 2017-06-08 | A kind of load blocks for LED drive power test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658817.7U CN206990769U (en) | 2017-06-08 | 2017-06-08 | A kind of load blocks for LED drive power test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990769U true CN206990769U (en) | 2018-02-09 |
Family
ID=61395011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658817.7U Expired - Fee Related CN206990769U (en) | 2017-06-08 | 2017-06-08 | A kind of load blocks for LED drive power test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206990769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064824A (en) * | 2017-06-08 | 2017-08-18 | 常东记 | A kind of load blocks tested for LED drive power |
-
2017
- 2017-06-08 CN CN201720658817.7U patent/CN206990769U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064824A (en) * | 2017-06-08 | 2017-08-18 | 常东记 | A kind of load blocks tested for LED drive power |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 |