CN209731639U - Safe constant-current brightness-adjustable high-voltage lamp strip - Google Patents
Safe constant-current brightness-adjustable high-voltage lamp strip Download PDFInfo
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- CN209731639U CN209731639U CN201822122071.5U CN201822122071U CN209731639U CN 209731639 U CN209731639 U CN 209731639U CN 201822122071 U CN201822122071 U CN 201822122071U CN 209731639 U CN209731639 U CN 209731639U
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- 238000004020 luminiscence type Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 241001062009 Indigofera Species 0.000 description 3
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- 239000003086 colorant Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000007323 disproportionation reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The utility model discloses a high-voltage lamp area of adjustable luminance of safe constant current, include: the input end of the voltage conversion module is connected with the mains supply to convert the mains supply into low-voltage direct current; the LED module is connected with the output end of the voltage conversion module; the constant current unit is connected with the LED module so as to enable the current flowing through the LED module to be constant; and the brightness adjusting unit is connected with the control end of the LED module or the constant current unit so as to adjust the current flowing through the LED module. Convert the commercial power into the direct current of low pressure through setting up the voltage conversion module for the inside voltage in lamp area is safe voltage, and then makes the lamp area need not the insulating layer and covers and can use safely, and make the electric current of flowing through the LED module invariable through setting up the constant current unit, make LED module luminance even, adjust the electric current size of flowing through the LED module through the adjustting of lighteness unit simultaneously, and then make the user can adjust the luminance of LED module according to the in service behavior demand.
Description
Technical field
The utility model relates to lighting area more particularly to a kind of high-pressure lamp bands of safe constant current brightness-adjustable.
Background technique
With the continuous development of lighting engineering, LED is due to the advantages that its luminous efficiency is high, power consumption is small, long service life
As common light source device, and LED frequently by the mode of light bar carry out using.
In the prior art, high-pressure lamp band is directly inserted alternating current and is used, and since general high-pressure lamp band builtin voltage is high, it is necessary to
Formation insulating layer outside high-pressure lamp band is covered on using insulating materials and thickness of insulating layer is larger, so that light bar volume and weight increases
Add, installation is caused to bother.It is likely to occur that insulating layer is damaged, aging leads to that accident occurs when use, there are safety problems.With height
Light bar length is pressed to increase, it may appear that the case where brightness disproportionation, to influence illuminating effect, and cannot be according to the demand tune of use environment
Brightness of illumination is saved, is not able to satisfy the use demand of user.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of high-pressure lamp band of safe constant current brightness-adjustable, can be with
The problem of alternating current safe handling can be directly accessed without insulating layer, and brightness disproportionation will not be will appear, while being capable of basis
User's demand adjusts brightness of illumination.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of high pressure of safe constant current brightness-adjustable
Light bar, comprising:
Voltage transformation module, the input terminal of voltage transformation module are electrically connected so that alternating current to be converted to the direct current of low pressure with city
Electricity；
LED module is connect with the output end of voltage transformation module；
Constant current unit is connect constant to flow through the electric current of LED module with LED module；
Brightness adjusting unit is connect to adjust and flow through the big of LED module electric current with the control terminal of LED module or constant current unit
It is small.
Further, the voltage transformation module includes sequentially connected rectification unit, filter unit and pressure unit,
The input terminal of rectification unit is electrically connected with city, and the output end of pressure unit is connect with LED module.
It further, further include the varistor being connect with the input terminal of rectification unit.
It further, further include the capacitor being connect with the output end of pressure unit.
It further, further include wireless energy control units, wireless energy control units are connect according to reception with brightness adjusting unit
Wireless signal control brightness adjusting unit work.
Further, the brightness adjusting unit includes resistance R4, resistance R5, relay K1 and switching tube Q1；
The coil of relay K1 connects to form series circuit with switching tube Q1, one end of series circuit and voltage transformation module
Output end connection, one end of the other end of series circuit and one end of resistance R4 and resistance R5 are grounded；
Switch one end of relay K1 and the control terminal of constant current unit connect, and the coil of relay K1 is according to energization situation control
The switch other end of relay K1 processed is connect with the other end of the other end of resistance R4 or resistance R5；
The control electrode of switching tube Q1 is connect with wireless energy control units.
Further, the LED module includes red LED lamp set, green LED lamp set and blue led lamp group, the perseverance
There are three be respectively first to connect one to one with red LED lamp set, green LED lamp set and blue led lamp group for stream unit
Constant current unit, the second constant current unit and third constant current unit, there are three be respectively and the first constant current for the brightness adjusting unit
First that the control terminal of the control terminal of unit, the control terminal of the second constant current unit and third constant current unit connects one to one is bright
Degree adjusts unit, the second brightness adjusting unit and third brightness adjusting unit.
It further, further include circuit board, the voltage transformation module, LED module, constant current unit, brightness adjusting unit
And wireless energy control units are respectively provided on circuit boards.
Further, the red LED lamp set includes several series connection or the red lamp bead of series-parallel connection, the green
LED light group includes the green lamp bead that several are connected or connect in series and parallel, and the blue led lamp group includes several series connection or string
It is connected in parallel blue lamp bead, a red lamp bead, a green lamp bead and blue mutually adjacent one hair of composition of lamp bead
Light unit, luminescence unit are arranged on circuit boards.
Further, the luminescence unit is evenly spaced on circuit board.
The beneficial effects of the utility model are: alternating current is converted to the direct current of low pressure by setting voltage transformation module,
So that the voltage inside light bar is safe voltage, and then it use light bar can safely without insulating layer covering, and by setting
Set constant current unit pass through LED module electric current it is constant, and then keep LED module light emission luminance uniform, while passing through brightness tune
Section unit adjusts the size of current for flowing through LED module, so that user can adjust LED mould according to service condition demand
The light emission luminance of block.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the first embodiment circuit diagram of the utility model；
Fig. 3 is second of embodiment circuit diagram of the utility model；
Fig. 4 is the circuit diagram of brightness adjusting unit.
Specific embodiment
Referring to figs. 1 to Fig. 4, a kind of high-pressure lamp band of safe constant current brightness-adjustable characterized by comprising
Voltage transformation module 10, the input terminal of voltage transformation module 10 are electrically connected so that alternating current is converted to the straight of low pressure with city
Galvanic electricity；
LED module 20 is connect with the output end of voltage transformation module 10；
Constant current unit 30 is connect constant to flow through the electric current of LED module 20 with LED module 20；
Brightness adjusting unit 40 is connect to adjust and flow through LED module 20 with the control terminal of LED module 20 or constant current unit 30
The size of electric current.
Alternating current is converted to the direct current of low pressure by setting voltage transformation module 10, so that the voltage inside light bar is peace
Full voltage, and then use light bar can safely without insulating layer covering, and pass through LED by the way that constant current unit 30 is arranged
The electric current of module 20 is constant, and then keeps 20 light emission luminance of LED module uniform, while being flowed through by the adjusting of brightness adjusting unit 40
The size of current of LED module 20, so that user can adjust the luminance of LED module 20 according to service condition demand
Degree.
Constant current unit 30 can be the constant current chip with control terminal, the big ditty of resistance that can be connected according to control terminal
The size of continuous current is saved, brightness adjusting unit 40 can be the adjustable resistance connecting with the control terminal of constant current chip at this time.It is permanent
Stream unit 30 be also possible to the constant current chip without control terminal, can only fixed current size, brightness adjusting unit 40 can at this time
To be the adjustable resistance in parallel with LED module 20, LED mould is flowed through according to the big minor adjustment of resistance value of adjustable resistance by shunting function
The size of current of block 20.
As preferred embodiment, the voltage transformation module 10 includes sequentially connected rectification unit 11, filtering list
Member 12 and pressure unit 13, the input terminal of rectification unit 11 are electrically connected with city, the output end and LED module 20 of pressure unit 13
Connection.
The input terminal of rectification unit 11 is electrically connected so that alternating current is converted to the biggish direct current of fluctuation, filter unit 12 with city
Input terminal connect with the output end of rectification unit 11 so that the direct current electro-mechanical wave after rectifying becomes smaller and then burning voltage, filtering is single
The output end of member 12 is connect so as to rectify, the direct current decompression after pressure stabilizing reaches safe voltage with the input terminal of pressure unit 13
Interior, the output end of pressure unit 13 connect will rectify with LED module 20, pressure stabilizing, the DC power transmission after decompression to LED module
20, and then the work of LED module 20 is driven to be illuminated.
Rectification unit 11 can be rectifier bridge stack, and filter unit 12 can be LC filter circuit, and pressure unit 13 can be
DC-DC is depressured chip.Voltage transformation module 10 is also possible to the embodiment party of transformer, rectifier bridge stack and filter circuit connection
Formula realizes the purpose that alternating current is converted to low-voltage DC.
Cause light bar to damage in order to avoid input voltage is excessive, further include connect with the input terminal of rectification unit 11 it is pressure-sensitive
Resistance 14.
The input terminal of rectification unit 11 is electrically connected with city and varistor 14 is connect with the input terminal of rectification unit 11, when
City's electrical anomaly, when input voltage being caused to be greater than the threshold voltage of varistor 14, varistor 14 absorbs extra electric current to protect
Shield rear circuit devcie avoids electric current excessive and damages, and when alternating current is normal, input voltage is less than the threshold voltage of varistor 14
When, the resistance value of varistor 14 is equivalent to greatly open circuit very much, does not influence the normal work of rear circuit devcie.
It further include the capacitor 15 being connect with the output end of pressure unit 13 as preferred embodiment.
Capacitor 15 is connect with the output end of pressure unit 13, when the output end output voltage of pressure unit 13 generates fluctuation
When, capacitor 15 can absorb smooth fluctuations voltage, keep circuit more stable.
It further include wireless energy control units 50, wireless energy control units 50 and brightness adjusting unit as preferred embodiment
40 connections are worked with the control brightness adjusting unit 40 of wireless signal based on the received.
It is connect by being provided with wireless energy control units 50 with brightness adjusting unit 40, it can the control by way of wireless control
Brightness adjusting unit 40 processed works, and then adjusts the size of current for flowing through LED module 20, reaches the brightness for adjusting LED module 20
Purpose.Wireless energy control units 50 can be the embodiment of radio-cell cooperation single-chip microcontroller, and radio-cell, which can be, passes through indigo plant
The modes such as tooth, infrared ray carry out signal transmission.
As the preferred embodiment of brightness adjusting unit 40, the brightness adjusting unit 40 include resistance R4, resistance R5,
Relay K1 and switching tube Q1；The coil of relay K1 connects to form series circuit with switching tube Q1, one end of series circuit
It is connect with the output end of voltage transformation module 10, a termination of the other end of series circuit and one end of resistance R4 and resistance R5
Ground；Switch one end of relay K1 is connect with the control terminal of constant current unit 30, and the coil of relay K1 is controlled according to energization situation
The switch other end of relay K1 is connect with the other end of the other end of resistance R4 or resistance R5；The control electrode and nothing of switching tube Q1
Line traffic control unit 50 connects.
The on-off of 50 control switch pipe Q1 of wireless energy control units, since the coil and switching tube Q1 of relay K1 are in series
Series circuit, switching tube Q1 flows through switching tube Q1 when being connected and the electric current of the coil of relay K1 is larger, so that relay K1
The switch that coil can adsorb relay K1 is allowed to bias, and switch one end of relay K1 and the control terminal of constant current unit 30 connect
Connect, in the case where switch is without biasing, the other end of switch is connect with resistance R4, and in switch bias, switch it is another
End is connect with resistance R5.Wireless energy control units 50 can control the control terminal and resistance R4 or electricity of constant current unit 30 through this structure
R5 connection is hindered, the resistance value of resistance R4 is different from the resistance value of resistance R5, and then controls constant current unit 30 when connecting with resistance R4
Continuous current size with and resistance R5 connect when the continuous current that controls it is of different sizes, due to the brightness and constant current of LED module 20
Size of current is related, is finally reached the purpose that wireless energy control units 50 adjust 20 brightness of LED module.Resistance R4 and resistance R5 can be with
For adjustable resistance, make the resistance value size of manually adjustable resistance R4 and resistance R5, so preset can wireless control conversion
Constant Electric Current flow valuve size.
As preferred embodiment, the LED module 20 includes red LED lamp set 21, green LED lamp set 22 and indigo plant
Color LED light group 23, there are three be respectively and red LED lamp set 21, green LED lamp set 22 and blue for the constant current unit 30
The first constant current unit 31, the second constant current unit 32 and the third constant current unit 33 that LED light group 23 connects one to one, it is described bright
Degree adjusts unit 40, and there are three be respectively and the control terminal of the first constant current unit 31, the control terminal of the second constant current unit 32 and the
The first brightness adjusting unit 41 that the control terminal of three constant current units 33 connects one to one, the second brightness adjusting unit 42 and
Three brightness adjusting units 43.
It is respectively set by setting red LED lamp set 21, green LED lamp set 22 and blue led lamp group 23, each lamp group
There are one-to-one first constant current unit 31 and the first brightness adjusting unit 41, the second constant current unit 32 and the second brightness regulation list
Member 42, third constant current unit 33 and third brightness adjusting unit 43 are connected thereto, so that red LED lamp set 21, green LED lamp set
22 and blue led lamp group 23 light emission luminance uniformly and also brightness can be separately tuned, to enable user can be according to demand
The brightness for adjusting different colours lamp group obtains different illuminating effects, and then meets personalization etc. to require.
It further include circuit board as preferred embodiment, the voltage transformation module 10, LED module 20, constant current unit
30, brightness adjusting unit 40 and wireless energy control units 50 are respectively provided on circuit boards.
Conducting wire connection can be used no or little by the way that circuit board is arranged, keeps circuit relatively reliable.
In order to keep the illuminating effect of LED module 20 more various, the red LED lamp set 21 includes several series connection or string
It is connected in parallel red lamp bead, the green LED lamp set 22 includes the green lamp bead that several are connected or connect in series and parallel, the indigo plant
Color LED light group 23 includes several series connection or the blue lamp bead of series-parallel connection, a red lamp bead, a green lamp bead and one
A blue lamp bead one luminescence unit of mutually adjacent composition, luminescence unit are arranged on circuit boards.
It is single by the way that a red lamp bead, a green lamp bead and mutually adjacent composition one of a blue lamp bead shine
Member, the light that the lamp bead of three kinds of colors is issued mixes, and then is converted into the light of other form and aspect, due to feux rouges, green light with
And blue light can be according to the light that can blend all form and aspect in three's brightness different theories, random colour can be issued by reaching light bar
The light of phase is illuminated.
As preferred embodiment, the luminescence unit is evenly spaced on circuit board.
Luminescence unit is evenly spaced on circuit board, makes to illuminate more uniform beauty.
Above-described embodiment is the preferred embodiment of the utility model, and the utility model can also have other embodiments.Ability
The technical staff in domain can also make equivalent deformation or replacement without departing from the spirit of the present invention, these equivalent changes
Type or replacement are all contained in range set by the claim of this application.
Claims (10)
1. a kind of high-pressure lamp band of safe constant current brightness-adjustable characterized by comprising
Voltage transformation module (10), the input terminal of voltage transformation module (10) are electrically connected so that alternating current is converted to the straight of low pressure with city
Galvanic electricity；
LED module (20) is connect with the output end of voltage transformation module (10)；
Constant current unit (30) is connect constant to flow through the electric current of LED module (20) with LED module (20)；
Brightness adjusting unit (40) is connect with the control terminal of LED module (20) or constant current unit (30) to adjust and flow through LED module
(20) size of electric current.
2. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 1, it is characterised in that: the voltage turns
Changing the mold block (10) includes sequentially connected rectification unit (11), filter unit (12) and pressure unit (13), rectification unit
(11) input terminal is electrically connected with city, and the output end of pressure unit (13) is connect with LED module (20).
3. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 2, it is characterised in that: further include with it is whole
Flow the varistor (14) of the input terminal connection of unit (11).
4. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 2, it is characterised in that: further include and drop
Press the capacitor (15) of the output end connection of unit (13).
5. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 1, it is characterised in that: further include wireless
Control unit (50), wireless energy control units (50) connect bright with the control of wireless signal based on the received with brightness adjusting unit (40)
Degree adjusts unit (40) work.
6. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 5, it is characterised in that: the brightness tune
Saving unit (40) includes resistance R4, resistance R5, relay K1 and switching tube Q1；
The coil of relay K1 connects to form series circuit with switching tube Q1, one end and voltage transformation module (10) of series circuit
Output end connection, one end of the other end of series circuit and one end of resistance R4 and resistance R5 are grounded；
Switch one end of relay K1 is connect with the control terminal of constant current unit (30), and the coil of relay K1 is according to energization situation control
The switch other end of relay K1 processed is connect with the other end of the other end of resistance R4 or resistance R5；
The control electrode of switching tube Q1 is connect with wireless energy control units (50).
7. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 5, it is characterised in that: the LED mould
Block (20) includes red LED lamp set (21), green LED lamp set (22) and blue led lamp group (23), the constant current unit (30)
There are three be respectively to connect one to one with red LED lamp set (21), green LED lamp set (22) and blue led lamp group (23)
The first constant current unit (31), the second constant current unit (32) and third constant current unit (33), the brightness adjusting unit (40)
There are three be respectively and the control terminal of the first constant current unit (31), the control terminal of the second constant current unit (32) and third constant current list
The first brightness adjusting unit (41), the second brightness adjusting unit (42) and the third that the control terminal of first (33) connects one to one
Brightness adjusting unit (43).
8. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 7, it is characterised in that: further include circuit
Plate, the voltage transformation module (10), LED module (20), constant current unit (30), brightness adjusting unit (40) and wireless control
Unit (50) is respectively provided on circuit boards.
9. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 8, it is characterised in that: the red
LED light group (21) includes several series connection or the red lamp bead of series-parallel connection, and the green LED lamp set (22) includes several strings
Connection or the green lamp bead connected in series and parallel, the blue led lamp group (23) include several series connection or connect blue lamp in series and parallel
Pearl, a red lamp bead, a green lamp bead and blue lamp bead one luminescence unit of mutually adjacent composition, luminescence unit
Setting is on circuit boards.
10. a kind of high-pressure lamp band of safe constant current brightness-adjustable according to claim 9, it is characterised in that: described to shine
Unit is evenly spaced on circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122071.5U CN209731639U (en) | 2018-12-17 | 2018-12-17 | Safe constant-current brightness-adjustable high-voltage lamp strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822122071.5U CN209731639U (en) | 2018-12-17 | 2018-12-17 | Safe constant-current brightness-adjustable high-voltage lamp strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731639U true CN209731639U (en) | 2019-12-03 |
Family
ID=68677161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822122071.5U Active CN209731639U (en) | 2018-12-17 | 2018-12-17 | Safe constant-current brightness-adjustable high-voltage lamp strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209731639U (en) |
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2018
- 2018-12-17 CN CN201822122071.5U patent/CN209731639U/en active Active
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