CN205993000U - Numerical control LED array structure - Google Patents
Numerical control LED array structure Download PDFInfo
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- CN205993000U CN205993000U CN201620956575.5U CN201620956575U CN205993000U CN 205993000 U CN205993000 U CN 205993000U CN 201620956575 U CN201620956575 U CN 201620956575U CN 205993000 U CN205993000 U CN 205993000U
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- led
- lamp bead
- circuit
- numerical control
- array
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
This utility model is related to numerical control LED array structure, and including input circuit, master controller, switching control circuit, LED lamp bead array, described switching control circuit includes a drive circuit and some switch elements；Described input circuit is connected with described master controller, and described master controller is connected with LED lamp bead array also by switching control circuit；After the lamp bead quantity information of master controller receives input circuit transmission, send control signal to switching control circuit, drive circuit in switching control circuit controls the ON/OFF of the switch element of correspondence position after receiving described control signal, reach the purpose switching the lamp bead quantity of circuit system in described LED lamp bead array.Numerical control LED array structure of the present utility model, structure is simple, and adjustment is flexible and efficient.
Description
Technical field
This utility model is related to electronic circuit field, more particularly to a kind of numerical control LED array structure.
Background technology
In LED power debugging process, LED can be used as test load, to different voltage specifications, need different numbers
The LED lamp bead series connection of amount and/or parallel connection.LED array basic module such as Fig. 1 that existing scheme adopts, by the short circuit of K1～K31
Block or toggle switch switching LED lamp bead D1～D31To circuit system (LED+), after calculating the lamp bead quantity needing, position will be corresponded to
The short-circuit block put or switch closure, LED lamp bead thereafter will be shorted and can not work.Need higher voltage or more high current
When, power is increased by such module connection in series-parallel.
It can be seen that, the adjustment mode of existing employing, after must calculating required quantity before starting to test, in corresponding LED
The position switching of pearl, needs to increase voltage it is necessary to close switching again after power supply, LED array connection in series-parallel side in test process
Formula is more complicated, and time-consuming for setting up procedure, exists using inconvenience, the low problem of efficiency.
Utility model content
Based on this it is necessary to be directed to the traditional test awkward problem of LED array, provide a kind of new numerical control
LED array structure.
This utility model employs the following technical solutions：
A kind of numerical control LED array structure, including input circuit, master controller, switching control circuit, LED lamp bead array, institute
State switching control circuit and include a drive circuit and some switch elements；
Described input circuit is connected with described master controller, and described master controller is also by switching control circuit and LED
Pearl array connects；
After the lamp bead quantity information of master controller receives input circuit transmission, send control signal and control electricity to switching
Road, the drive circuit in switching control circuit receive the conducting of the switch element controlling correspondence position after described control signal/
Disconnect, reach the purpose switching the lamp bead quantity of circuit system in described LED lamp bead array.
Wherein, display module and voltage and current detection circuit are also included,
Display module, voltage are connected with master controller respectively with current detection circuit, voltage and current detection circuit also with
Described LED lamp bead array connects.The voltage and current of LED lamp bead array can also feed back to master by voltage and current detection circuit
In controller, it is shown on output display unit in real time, and judges whether overvoltage and excessively stream, in time protection LED lamp bead array.
Wherein, described LED lamp bead array includes at least two LED groups, and each LED group is in parallel with a switch element, then
Each LED group is connected in series；
During switching elements conductive, corresponding LED group is shorted；When switch element disconnects, corresponding LED group connects
Enter in circuit.
Wherein, the lamp bead quantity that each LED group comprises is different, and some lamp bead in each LED group are cascaded.With spirit
Live and adjust lamp bead quantity.
Wherein, the lamp bead quantity that each LED group comprises is respectively 20,21,22,...,2n, some lamp bead strings in each LED group
It is linked togather, n is total group of number of the LED group that described LED lamp bead array comprises.
Wherein, described drive circuit be binary conversion circuit, by the control signal receiving be converted to binary signal it
Export respectively afterwards to each switch element.LED lamp bead array is adopted binary packet to arrange, the number corresponding two of switch element is entered
Digit processed, therefore can control substantial amounts of LED lamp bead with a small amount of switch element.
Wherein, described input circuit is key circuit, is easy to user input.
Preferably, described switch element is relay.
This utility model above-mentioned numerical control LED array structure, structure is simple, can flexibly setting load as electronic load
State, realizes automatically switching and adjusts, be easy to user operation, it is possible to increase regulated efficiency, be conducive to being extended.
Brief description
Fig. 1 is traditional LED array structural representation；
Fig. 2 is the numerical control LED array structural representation of an embodiment；
Fig. 3 is the numerical control LED array structural representation of another embodiment.
Specific embodiment
For enabling goal of the invention of the present utility model, feature, advantage more obvious and understandable, below in conjunction with attached
Figure, is clearly and completely described to the technical scheme in this utility model embodiment.
Fig. 2 is the numerical control LED array structural representation of an embodiment, as shown in Fig. 2 the numerical control LED array of the present embodiment
Structure mainly includes input circuit 10, master controller (MCU) 20, switching control circuit 30, LED lamp bead array 40, described switching
Control circuit 30 includes a drive circuit and some switch elements (not shown in Fig. 2)；Described input circuit 10 with described
Master controller (MCU) 20 connects, and described master controller (MCU) 20 is connected with LED lamp bead array also by switching control circuit 30.
Master controller (MCU) 20, after receiving the lamp bead quantity adjustment information of input circuit 10 transmission, sends control signal to throwing
Cut control circuit 30, the drive circuit in switching control circuit 30 controls the switch of correspondence position after receiving described control signal
Element conductive/disconnection, reaches the purpose switching the lamp bead quantity of access system circuit (LED+) in described LED lamp bead array 40.
Multiple LED lamp bead are comprised, the plurality of LED lamp bead passes through the state access system of switch element in described LED lamp bead array 40
Circuit or break from circuit system.As a preferred implementation, described switch element can be relay.
Further, described numerical control LED array structure may also include：Display module 50 and voltage and current detection circuit
60, display module 50, voltage are connected with master controller (MCU) 20 respectively with current detection circuit 60, and voltage is electric with current detecting
Road 60 is also connected with described LED lamp bead array.The voltage and current alloing LED lamp bead array is by measure voltage ＆ current electricity
Road feeds back in MCU, and then shows on the display device in real time by display module 50, and this mode is also convenient for judging whether
Overvoltage and excessively stream, with timely protection LED lamp bead array.
As a preferred implementation, described LED lamp bead array includes at least two LED groups, and each LED group comprises some
Individual lamp bead；Each LED group is in parallel with a switch element, more each LED group is connected in series；In switching elements conductive shape
During state, corresponding LED group is shorted；In switch element off-state, corresponding LED group access system circuit
In.
As a preferred implementation, the lamp bead quantity that each LED group comprises is different, some lamp bead in each LED group
It is cascaded.
As another preferred implementation, as shown in figure 3, the lamp bead quantity that each LED group comprises is respectively 20,21,
22,...,2n, some lamp bead in each LED group are cascaded, and n is total group of number of the LED group that described LED lamp bead array comprises.
Accordingly, described drive circuit is binary conversion circuit, distinguishes after the control signal receiving is converted to binary signal
Export to each switch element, the digit of the corresponding binary signal of number of switch element.In such numerical control LED lamp bead array
In, LED lamp bead array according to binary packet isThe lamp bead quantity of each group is respectively 20,21,22,...,2n.
K0～Kn is used as the relay of switch element.Every LED group is connected even with a relay switch parallel connection, then by each LED group
It is connected together.When relay disconnects, this LED group accesses in circuit, and the lamp bead in LED group can be with normal work, and this state is 1；
During relay conducting, this LED group is switched on and off short circuit, and the lamp bead in LED group can not be linked in circuit and work, and this state is 0.Will
These LED groups are combined, and can obtain the LED lamp bead quantity of combination in any.2n+1- 1 LED lamp bead only needs to n+1 and opens
Close element to control, such as 8 switches, you can control 255 LED lamp bead, and the degree of regulation that stepping is 1 can be accomplished.LED lamp bead
The control mode of array can directly be controlled using binary digit, for example：When needing 30 LED lamp bead, 30 are converted into
Binary system is 1110, and this signal is directly used in the ON/OFF of controlling switch element.Control signal is sent by MCU, passes through
Drive circuit is converted into corresponding binary control signal, and direct drive switch element (relay) executes switching.Due to by LED
Lamp bead array adopts binary packet to arrange, and the number of switch element (relay) corresponds to number of bits, therefore can be with less
The switch element (relay) of amount controls substantial amounts of LED lamp bead, and realizes the regulation that stepping is 1.Switch element (relay)
By MCU control, it is possible to achieve adjust automatically quantity, regulated efficiency is high and accurate, can be used for commercial production
As a preferred implementation, described input circuit is key circuit, facilitates user input.
It is good that the numerical control LED array structure of the present embodiment has automatic switchover efficiency high, accuracy, it is possible to achieve industrial metaplasia
Produce, the excellent feature of manufacturability；And its circuit is simple, and the switch element quantity of use is few, substantially reduce cost, simplify control
Mode processed；Additionally, it can be expanded, LED lamp bead array quantity can spread as needed, only need to increase and a small amount of switch unit
Part.
Embodiment described above only have expressed several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, some deformation can also be made and improve, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be defined by claims.
Claims (8)
1. a kind of numerical control LED array structure is it is characterised in that include input circuit, master controller, switching control circuit, LED
Pearl array, described switching control circuit includes a drive circuit and some switch elements；
Described input circuit is connected with described master controller, and described master controller is also by switching control circuit and LED lamp bead battle array
Row connect；
After the lamp bead quantity information of master controller receives input circuit transmission, send control signal to switching control circuit, throw
Cut the ON/OFF of the switch element controlling correspondence position after the drive circuit in control circuit receives described control signal,
Reach the purpose switching the lamp bead quantity of access system circuit in described LED lamp bead array.
2. numerical control LED array structure as claimed in claim 1 is it is characterised in that also include display module and voltage and electricity
Current detection circuit,
Display module, voltage are connected with master controller respectively with current detection circuit, voltage and current detection circuit also with described
LED lamp bead array connects.
3. numerical control LED array structure as claimed in claim 1 is it is characterised in that described LED lamp bead array includes at least two
LED group, each LED group is in parallel with a switch element, more each LED group is connected in series；
During switching elements conductive, corresponding LED group is shorted；When switch element disconnects, corresponding LED group accesses system
In system circuit.
4. numerical control LED array structure as claimed in claim 3 is it is characterised in that each not phase of the lamp bead quantity that comprises of each LED group
With some lamp bead in each LED group are cascaded.
5. numerical control LED array structure as claimed in claim 3 is it is characterised in that the lamp bead quantity that each LED group comprises is respectively
20,21,22,...,2n, some lamp bead in each LED group are cascaded, and n is the LED group that described LED lamp bead array comprises
Total group number.
6. numerical control LED array structure as claimed in claim 5 it is characterised in that
Described drive circuit is binary conversion circuit, exports respectively after the control signal receiving is converted to binary signal
To each switch element, the digit of the corresponding binary signal of number of switch element.
7. described numerical control LED array structure as arbitrary in claim 1 to 6 is it is characterised in that described input circuit is button electricity
Road.
8. described numerical control LED array structure as arbitrary in claim 1 to 6 is it is characterised in that described switch element is relay
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956575.5U CN205993000U (en) | 2016-08-26 | 2016-08-26 | Numerical control LED array structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620956575.5U CN205993000U (en) | 2016-08-26 | 2016-08-26 | Numerical control LED array structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205993000U true CN205993000U (en) | 2017-03-01 |
Family
ID=58107438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620956575.5U Active CN205993000U (en) | 2016-08-26 | 2016-08-26 | Numerical control LED array structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205993000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116234104A (en) * | 2023-04-24 | 2023-06-06 | 深圳市天成照明有限公司 | LED lamp bead circuit and LED lamp |
-
2016
- 2016-08-26 CN CN201620956575.5U patent/CN205993000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116234104A (en) * | 2023-04-24 | 2023-06-06 | 深圳市天成照明有限公司 | LED lamp bead circuit and LED lamp |
| CN116234104B (en) * | 2023-04-24 | 2023-07-18 | 深圳市天成照明有限公司 | LED lamp bead circuit and LED lamp |
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