CN109140286A - A kind of IC driving LED street lamp of flat-plate type lens - Google Patents
A kind of IC driving LED street lamp of flat-plate type lens Download PDFInfo
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- CN109140286A CN109140286A CN201711006097.7A CN201711006097A CN109140286A CN 109140286 A CN109140286 A CN 109140286A CN 201711006097 A CN201711006097 A CN 201711006097A CN 109140286 A CN109140286 A CN 109140286A
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- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 36
- 239000003990 capacitor Substances 0.000 claims description 25
- 230000002459 sustained effect Effects 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009826 distribution Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
- F21Y2105/16—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array square or rectangular, e.g. for light panels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of IC of flat-plate type lens to drive LED street lamp, including flat optical lens and light source lamp plate, the light source lamp plate includes aluminum substrate, IC driving chip circuit board, LED light source, positive pole, power cathode, the IC driving chip circuit board is mounted on aluminum substrate, the LED light source, positive pole, power cathode are arranged on IC driving chip circuit board, and the flat optical lens is fixed on the light-emitting surface of light source lamp plate.Structure of the invention substantially increases the using effect and service life of LED street lamp, while cost is relatively low, widely applicable popularization and use.
Description
Technical field
The invention belongs to field of LED illumination, the IC of especially a kind of flat-plate type lens drives LED street lamp.
Background technique
Road lighting is the important component of city illumination, and traditional street lamp is frequently with high-pressure sodium lamp, because of its light loss
Big disadvantage causes the huge waste of the energy.Currently, global environment is all developing clean energy resource in worsening, each state.
And with the rapid growth of national economy, China's energy supply and demand contradiction is outstanding day by day, and energy conservation is institute's urgent problem.LED
Street lamp is with having the particular advantages such as efficient, safety, energy-saving and environmental protection, service life length, fast response time, colour rendering index height, to city
Lighting energy saving has a very important significance.It is widely used to city illumination application field at present.
Although LED street lamp has many advantages, such as green energy conservation, there is also many defects for current LED street lamp: one, making now
LED street lamp is easy deposition dust and influences light out since its light output surface used is free-form surface lens, while
It is not easily cleaned very much maintenance, increases the cost of maintenance；Two, the Primary Component of LED street lamp is exactly its driving device, current drive
Dynamic device reliability is not high, is easily damaged, and increases the maintenance cost of street lamp.Such as due to power supply quality difference, especially partially
Remote rural area voltage is often unstable, and fluctuation is larger, and even up to 110V is once, serious to affect LED when voltage is low
The using effect of street lamp；Meanwhile traditional over-pressure safety device its fuse-link is welded on front electrode, in voltage fluctuation
In biggish situation, and when protection element size becomes smaller to a certain extent, traditional welding can be such that fuse-link and front electrode deposits
It can be fluctuated in electrical property, binding site is influenced by high temperature and makes disabler, to not have the effect of overvoltage protection, causes street lamp
And route is scrapped and is lost.
Summary of the invention
The purpose of the present invention is overcoming defect of the existing technology, a kind of IC driving road LED of flat-plate type lens is provided
Lamp.
Realizing the technical solution of the object of the invention is: a kind of IC driving LED street lamp of flat-plate type lens, including flat light
It learns lens and light source lamp plate, the light source lamp plate includes aluminum substrate, IC driving chip circuit board, LED light source, positive pole, electricity
Source cathode, the IC driving chip circuit board are mounted on aluminum substrate, and the LED light source, positive pole, power cathode setting exist
On IC driving chip circuit board, the flat optical lens is fixed on the light-emitting surface of light source lamp plate.
As a preferred solution of the present invention: the flat optical lens includes light outer surface and entering light inner surface,
It is described go out light outer surface be smooth flat, it is described enter light inner surface be asymmetric free form surface.
As a preferred solution of the present invention: the flat-plate type lens create it according to rim ray divergence conservation principle
The free bent grid node vector of asymmetry for entering light inner surface calculates, and controls the arc of the asymmetric free form surface into light inner surface
Face curvature makes its light-emitting angle reach ± 70 °, and the divergence conservation principle of the rim ray is as follows:
E=n2∫∫dA cosθdΩ
E=n2AOΩproj=π n2Aosin2θ1/2
E in formula --- beam spread degree；
Ω --- solid angle；
E[M4D〔∑o)] --- the divergence of output beam；
E[M4D〔∑i)] --- the divergence of input light beam.
As a preferred solution of the present invention: the LED light source is equidistantly arranged on IC driving chip circuit board using three rows.
As a preferred solution of the present invention: IC driving chip circuit board includes Voltage stabilizing module and overvoltage protective module, described
Voltage stabilizing module includes electrical input, voltage switching module, linear transformer and electricity output end, and the voltage switching module includes
Working power, two-way adjustable voltage hysteresis control circuit and switch switching circuit, the electrical input and working power it is defeated
Enter end, the input terminal of two-way adjustable voltage hysteresis control circuit is connected with the input terminal of switch switching circuit, the working power
It is connect respectively with two-way adjustable voltage hysteresis control circuit and switch switching circuit, the two-way adjustable voltage hysteresis control circuit
Output terminate switch switching circuit input terminal, the output of the switch switching circuit terminates output line transformer, linearly
Transformer is connect with electricity output end.
As a preferred solution of the present invention: the two-way adjustable voltage hysteresis circuit all includes that electricity is defeated per circuit all the way
Enter and hold J1, rectifier diode D1, divider resistance R1, R2 and R3 divide adjustable resistance VR1, resistance R4, resistance R5, filter capacitor
C1, C2, reverse swing door integrated circuit U1 and U2, electricity output end J2；Voltage is whole by electrical input J1 access rectifier diode D1
Stream, then voltage is divided by divider resistance R1, R2, R3, and the partial pressure adjustable resistance VR1 is connected in divider resistance R2, R3
Between, among divider resistance R1, R2, the filter capacitor C2 is arranged in divider resistance R2 and partial pressure the filter capacitor C1
Among adjustable resistance VR1, partial pressure adjustable resistance VR1 third foot output voltage is followed by electricity output end by resistance R4, R5 partial pressure
J2, it is in parallel with resistance R5 after reverse swing door integrated circuit U1, U2 series connection.
As a preferred solution of the present invention: switch switching circuit includes resistance R6, resistance R7, capacitor C3, capacitor C4, opens
Close triode Q1, switching transistor Q2, sustained diode 2, sustained diode 3, single-pole double-throw switch (SPDT) relay JDQ1, JDQ2
And electrical input J3 and electricity output end J4, the voltage are inputted by electrical input J3, are exported by electricity output end J4；It is described
Doubleway output the voltage control signal LOW and MID of two-way adjustable voltage hysteresis control circuit, respectively with the electricity of switch switching circuit
Resistance R6, resistance R7 connection are hindered, the voltage of signal LOW input is filtered by resistance R6 current limliting, capacitor C3, control switch triode
Q1, sustained diode 2 and single-pole double-throw switch (SPDT) relay JDQ1, then voltage input to single-pole double-throw switch (SPDT) relay JDQ2,
The single-pole double-throw switch (SPDT) relay JDQ2 is connect with electricity output end J4；Voltage is filtered by resistance R6 current limliting, capacitor C3, control
Switching transistor Q1, sustained diode 2 and single-pole double-throw switch (SPDT) relay JDQ1, then voltage input to single-pole double-throw switch (SPDT)
Relay JDQ2, the single-pole double-throw switch (SPDT) relay JDQ2 are connect with electricity output end J4, and the voltage of signal MID input is through resistance
R7 current limliting, capacitor C4 filtering, control switch triode Q2, sustained diode 3 and single-pole double-throw switch (SPDT) relay JDQ2, then
It is exported by electricity output end J4.
As a preferred solution of the present invention: stating overvoltage protective module by substrate, front electrode, rear electrode, fuse-link, guarantor
Sheath and end composition, the front electrode and rear electrode form array arrangement on the surface of the substrate respectively, and pass through end
It mutually forms and conducts, the fuse-link and two adjacent front electrodes are an entirety, and the protective layer is by protective layer packet
Cover fuse-link.
The present invention has the effect of positive: it is relatively more flat to go out light outer surface using flat optical lens by the present invention
It is sliding, it is not easy to deposit dust, also easy cleaning and maintenance；In order to realize that flat optical lens goes out light outer surface smoother, this hair
It is bright to enter the design that light inner surface has done asymmetric free form surface to flat optical lens, flat-plate type lens it is optical enter light in table
The Method for Accurate Calculation for the knot vector that face creates free form surface control grid according to rim ray divergence conservation principle carries out
Design, the divergence conservation of jointing edge light divergence conservation principle and light source optimization can have most within a short period of time
The incidence surface light of the flat-plate type lens of excellent efficiency and accurate light distribution, flat optical lens is mapped by free form surface edge
Afterwards, also correspond to the edge of target, among free form surface continuous part light after mapping also in the target between formed it is continuous
Distribution, divergence is the area of light source or target and divergence of beam angle is formed by the product of solid angle.The present invention can be controlled
The cambered surface curvature for making the asymmetric free form surface into light inner surface makes its light-emitting angle reach ± 70 °.By the design of this principle
Flat optical lens, the light distribution curve of whole lamp street lamp can produce ideal rectangular light spot light distribution, street lamp on road surface
Far field angle be distributed as bat aerofoil profile, meet city illumination code requirement.
Meanwhile present invention employs IC driving chip circuit boards comprising Voltage stabilizing module and overvoltage protective module.Pressure stabilizing
Module is adjusted control to the voltage for being input to public lighting circuit by voltage switching module and linear transformer, can be realized and works as
When voltage fluctuates in 140V to 220V, guarantee the stable using effect of street lamp light；Overvoltage protective module of the invention simultaneously,
It is the design of an entirety using fuse-link and front electrode, does not have any connect between fuse-link and front electrode in the design
Mouth and gap can guarantee when receiving voltage fluctuation when voltage is up to 250V, still be able to intactly, to play good protect
The effect of protection circuit.
Structure of the invention substantially increases the using effect and service life of LED street lamp, while cost is relatively low, is applicable in wide
General popularization and use.
Detailed description of the invention
Fig. 1 is the light outer surface structure figure out of the flat optical lens of the present invention；
Fig. 2 enters light inner surface structure figure for the flat optical lens of the present invention；
Fig. 3 is the structure chart of light source lamp plate of the present invention；
Fig. 4 is the Voltage stabilizing module structure chart of IC driving chip circuit board of the present invention；
Fig. 5 is two-way adjustable voltage hysteresis control circuit structure chart in Voltage stabilizing module of the present invention；
Fig. 6 is switch switching circuit structure chart in Voltage stabilizing module of the present invention；
Fig. 7 is the overvoltage protective module structure chart of IC driving chip circuit board of the present invention；
Fig. 8 is that the far field angle of street lamp of the present invention is distributed as bat aerofoil profile figure；
Fig. 9 is the equiluminous curve figure of the flat optical lens of the present invention；
Figure 10 is the node normal vector figure of muscle and rib on free form surface provided by the invention.
1, flat optical lens, 2, go out light outer surface, 3, enter light inner surface, 4, aluminum substrate, 5, IC driving chip circuit
Plate, 6, LED light source, 7, positive pole, 8, power cathode, 9, rear electrode, 10, substrate, 11, front electrode, 12, protective layer,
13, fuse, 14, end.
Specific embodiment
Below in conjunction with Fig. 1 to 10, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
In conjunction with Fig. 1,2,3, a kind of IC of flat-plate type lens of the present invention drives LED street lamp, including 1 He of flat optical lens
Light source lamp plate, the light source lamp plate include that aluminum substrate 4, IC driving chip circuit board 5, LED light source 6, positive pole 7, power supply are negative
Pole 8, the IC driving chip circuit board 5 are mounted on aluminum substrate 4, wherein LED light source 6 is equidistantly arranged in IC drive using three rows
On dynamic chip circuit plate 5, the LED light source 6, positive pole 7, power cathode 8 are arranged on IC driving chip circuit board 5, institute
Flat optical lens 1 is stated to be fixed on the light-emitting surface of light source lamp plate.Flat optical lens 1 includes light outer surface 2 and entering
Light inner surface 3, it is described go out light outer surface 2 be smooth flat, it is described enter light inner surface 3 be asymmetric free form surface.
Flat optical lens 1 its to go out light outer surface 2 smoother, it is not easy to deposit dust, also easy cleaning and maintenance；
In order to realize that flat optical lens 1 goes out light outer surface 2 smoothly, the present invention enters light inner surface 3 to flat optical lens 1 and does
The light inner surface 3 that enters of the design of asymmetric free form surface, flat optical lens 1 is created according to rim ray divergence conservation principle
The Method for Accurate Calculation for building the knot vector of free form surface control grid is designed, jointing edge light divergence conservation principle
And the divergence conservation of light source, optimization there can be the flat-plate type lens of optimum efficiency and accurate light distribution within a short period of time, put down
After the incidence surface light 3 of board-like optical lens 1 is mapped by free form surface edge, the edge of target, free form surface are also corresponded to
Intermediate continuous part light after mapping also in the target between form continuous distribution, divergence is the area of light source or target
The product of solid angle is formed by with divergence of beam angle.The present invention can control the arc of the asymmetric free form surface into light inner surface
Face curvature makes its light-emitting angle reach ± 70 °.
According to the divergence conservation principle of above-mentioned rim ray, target and free form surface can be divided into the grid of equivalent,
The grid node of target and the grid node of free form surface are formed and are corresponded, position and law vector further according to destination node,
The node law vector of the control grid of free form surface can be accurately calculated accordingly to generate required free form surface.Edge-light
The divergence conservation principle of line can following formula indicate:
E=n2∫∫dA cosθdΩ
E=n2AOΩproj=π n2Aosin2θ1/2
E in formula --- beam spread degree；
Ω --- solid angle；
E[M4D〔∑o)] --- lose the divergence of beam；
E[M4D〔∑i)] --- the divergence of input light beam.
Such as Fig. 8,9,10, by the flat optical lens that this principle designs, the light distribution curve of whole lamp street lamp is on road
It can produce ideal rectangular light spot light distribution on face, the far field angle of street lamp is distributed as bat aerofoil profile, meets city illumination
Code requirement.
IC driving chip circuit board of the invention includes Voltage stabilizing module and overvoltage protective module, described steady as shown in Fig. 4
Die block includes electrical input, voltage switching module, linear transformer and electricity output end, and the voltage switching module includes work
Make power supply, two-way adjustable voltage hysteresis control circuit and switch switching circuit, the input of the electrical input and working power
It holds, the input terminal of two-way adjustable voltage hysteresis control circuit is connected with the input terminal of switch switching circuit, the working power point
It is not connect with two-way adjustable voltage hysteresis control circuit and switch switching circuit, the two-way adjustable voltage hysteresis control circuit
Output termination switch switching circuit input terminal, the output of the switch switching circuit terminates output line transformer, linear to become
Depressor is connect with electricity output end.When on the first via setting voltage that input voltage is higher than two-way adjustable voltage hysteresis control circuit
Limit, the first way switch of control switch conversion circuit disconnect, when input voltage is lower than the of two-way adjustable voltage hysteresis control circuit
Lower voltage limit is set all the way, and the control switch conversion circuit first via closes the switch；Simultaneously when input voltage is higher than two-way adjustable electric
The second tunnel of hysteresis control circuit is pressed to set upper voltage limit, the second way switch of control switch conversion circuit disconnects, and works as input voltage
The second tunnel lower than two-way adjustable voltage hysteresis control circuit sets lower voltage limit, and the second way switch of control switch conversion circuit closes
It closes；The input voltage of electrical input is switched to the different tap of line style transformer, its output voltage is made to keep stablizing.
As shown in figure 5, the two-way adjustable voltage hysteresis circuit all includes electrical input J1 per circuit all the way, rectification
Diode D1, divider resistance R1, R2 and R3 divide adjustable resistance VR1, resistance R4, resistance R5, filter capacitor C1, C2, reverse swing door
Integrated circuit U1 and U2, electricity output end J2；Voltage accesses rectifier diode D1 rectification by electrical input J1, and then voltage passes through
Divider resistance R1, R2, R3 partial pressure are crossed, the partial pressure adjustable resistance VR1 is connected among divider resistance R2, R3, the filtered electrical
Hold C1 among divider resistance R1, R2, the filter capacitor C2 setting is in divider resistance R2 and partial pressure adjustable resistance VR1
Between, partial pressure adjustable resistance VR1 third foot output voltage is followed by electricity output end J2, the reverse swing door collection by resistance R4, R5 partial pressure
At in parallel with resistance R5 after circuit U 1, U2 series connection.
Power supply is accessed through electrical input J1, by rectifier diode D1 halfwave rectifier at DC voltage, passes through divider resistance
R1, R2, R3 partial pressure, filter capacitor C1 and C2 filter out the clutter fluctuation of voltage, and adjustment partial pressure adjustable resistance VR1 makes input voltage
The voltage value of setting, partial pressure adjustable resistance VR1 third foot output voltage are integrated higher than reverse swing door after being divided by resistance R4 and R5
The threshold level voltage that circuit U 1 is overturn from low to high, electricity output end J2 reversed twice by reverse swing door integrated circuit U1 and U2
Output is high level, and control switch conversion circuit disconnects.Conversely, when voltage changes from high to low, partial pressure adjustable resistance VR1 the
The threshold level electricity that three foot output voltages are overturn after being divided by resistance R4 and R5 lower than reverse swing door integrated circuit U1 from high to low
Pressure, reversed twice by reverse swing door integrated circuit U1 and U2, J2 output in electricity output end is low level, control switch conversion circuit
It connects.
As shown in fig. 6, switch switching circuit includes resistance R6, resistance R7, capacitor C3, capacitor C4, switching transistor Q1, opens
Close triode Q2, sustained diode 2, sustained diode 3, single-pole double-throw switch (SPDT) relay JDQ1, JDQ2 and electrical input
J3 and electricity output end J4, the voltage are inputted by electrical input J3, are exported by electricity output end J4；The two-way adjustable voltage
Doubleway output the voltage control signal LOW and MID of hysteresis control circuit, respectively with resistance R6, the electricity of switch switching circuit
R7 connection is hindered, the voltage of signal LOW input is filtered by resistance R6 current limliting, capacitor C3, control switch triode Q1, two pole of afterflow
Pipe D2 and single-pole double-throw switch (SPDT) relay JDQ1, then voltage input to single-pole double-throw switch (SPDT) relay JDQ2, the hilted broadsword are double
Throw switch relay JDQ2 is connect with electricity output end J4；Voltage is filtered by resistance R6 current limliting, capacitor C3, three pole of control switch
Pipe Q1, sustained diode 2 and single-pole double-throw switch (SPDT) relay JDQ1, then voltage input to single-pole double-throw switch (SPDT) relay
JDQ2, the single-pole double-throw switch (SPDT) relay JDQ2 are connect with electricity output end J4, and the voltage of signal MID input is limited through resistance R7
Stream, capacitor C4 filtering, then control switch triode Q2, sustained diode 3 and single-pole double-throw switch (SPDT) relay JDQ2 pass through
Electricity output end J4 output.
Two-way adjustable voltage hysteresis control circuit output voltage control signal LOW and MID, when LOW be high level, pass through electricity
R6 current limliting, capacitor C3 filtering, control switch triode Q1 conducting are hindered, single-pole double-throw switch (SPDT) relay JDQ1 switchs to from long closed state
Off-state, connects the 1 and 2 of single-pole double-throw switch (SPDT) relay JDQ1, and voltage input is double to single-pole double-throw switch (SPDT) relay hilted broadsword
Throw switch relay JDQ2, if MID is high level, single-pole double-throw switch (SPDT) relay JDQ2 is in an off state, and connects hilted broadsword
2 behind the 1 of commutator relay JDQ2, it is defeated that the voltage of input by single-pole double-throw switch (SPDT) relay JDQ1 and JDQ2 is switched to J4
4th foot of plug out；
If MID is low level, switching transistor Q2 is in off state, and single-pole double-throw switch (SPDT) relay JDQ2 is in and closes
Conjunction state, connects the 1 and 3 of single-pole double-throw switch (SPDT) relay JDQ2, and the alternating current of input passes through single-pole double-throw switch (SPDT) relay JDQ1
The 3rd foot of J4 output plug is switched to JDQ2；If LOW is low, single-pole double-throw switch (SPDT) relay JDQ1, switching transistor
Q1 base voltage be it is low, switching transistor Q1 is in off state, and the 1 of single-pole double-throw switch (SPDT) relay JDQ1 is connected with 3, this
Shi Buguan single-pole double-throw switch (SPDT) relay JDQ2 is in any state, and voltage is impossible to through single-pole double-throw switch (SPDT) relay
JDQ1 is switched to single-pole double-throw switch (SPDT) relay JDQ2, can only be switched to the 2nd foot of socket J4, thereby realize three voltages.
Voltage stabilizing module of the invention by voltage switching module and linear transformer to be input to the voltage of public lighting circuit into
Row adjustment control, can be realized when voltage fluctuates in 140V to 220V, guarantees the stable using effect of street lamp light
As shown in fig. 7, the overvoltage protective module is by substrate 10, front electrode 11, rear electrode 9, fuse-link 13, guarantor
Sheath 12 and end 14 form, and the front electrode 11 and rear electrode 9 form array arrangement on the surface of substrate 10 respectively,
And mutually formed and conducted by end 14, the fuse-link 13 is an entirety with two adjacent front electrodes 11, described
Protective layer coats fuse-link 13 by protective layer 12.
Overvoltage protective module of the invention is the design of an entirety using fuse-link 13 and front electrode 11, this sets
There is no any interface and gap in meter between fuse-link 13 and front electrode 11, when receiving voltage fluctuation, can guarantee in electricity
It when pressure is up to 250V, still is able to intactly, to play a part of to protect circuit.
Structure of the invention substantially increases the using effect and service life of LED street lamp, while cost is relatively low, is applicable in wide
General popularization and use.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of IC of flat-plate type lens drives LED street lamp, it is characterised in that: including flat optical lens (1) and illuminator
Plate, the light source lamp plate include aluminum substrate (4), IC driving chip circuit board (5), LED light source (6), positive pole (7), power supply
Cathode (8), the IC driving chip circuit board (5) are mounted on aluminum substrate (4), the LED light source (6), positive pole (7),
Power cathode (8) is arranged on IC driving chip circuit board (5), and the flat optical lens (1) is fixed on light source lamp plate
On light-emitting surface.
2. a kind of IC of flat-plate type lens according to claim 1 drives LED street lamp, it is characterised in that: the plate
Formula optical lens (1) includes light outer surface (2) and entering light inner surface (3), and described light outer surface (2) out are smooth flat, institute
Stating into light inner surface (3) is asymmetric free form surface.
3. a kind of IC of flat-plate type lens according to claim 2 drives LED street lamp, it is characterised in that: described flat
Lens (1) create the free bent grid node arrow of its asymmetry for entering light inner surface according to rim ray divergence conservation principle
Amount calculates, and the cambered surface curvature for controlling the asymmetric free form surface into light inner surface makes its light-emitting angle reach ± 70 °, the edge
The divergence conservation principle of light is as follows:
E=n2∫∫dAcosθdΩ
E=n2AoΩproj=π n2AOSin2θ1/2
E- beam spread degree in formula；
Ω-solid angle；
E[M4D(∑o)] divergence of-output beam；
E[M4D(∑i)]-input light beam divergence.
4. a kind of IC of flat-plate type lens according to claim 3 drives LED street lamp, it is characterised in that: the LED light source
(6) it is equidistantly arranged on IC driving chip circuit board (5) using three rows.
5. a kind of IC of flat-plate type lens according to any one of claim 1 to 4 drives LED street lamp, it is characterised in that:
IC driving chip circuit board includes Voltage stabilizing module and overvoltage protective module, and the Voltage stabilizing module includes electrical input, voltage switching
Module, linear transformer and electricity output end, the voltage switching module include working power, two-way adjustable voltage hysteresis control
Input terminal, the two-way adjustable voltage hysteresis control circuit of circuit processed and switch switching circuit, the electrical input and working power
Input terminal connected with the input terminal of switch switching circuit, the working power respectively with two-way adjustable voltage hysteresis control circuit
It being connected with switch switching circuit, the output of the two-way adjustable voltage hysteresis control circuit terminates switch switching circuit input terminal,
The output of the switch switching circuit terminates output line transformer, and linear transformer is connect with electricity output end.
6. a kind of IC of flat-plate type lens according to claim 5 drives LED street lamp, it is characterised in that: the two-way
Adjustable voltage hysteresis circuit all includes electrical input J1, rectifier diode D1 per circuit all the way, divider resistance R1, R2 and
R3 divides adjustable resistance VR1, resistance R4, resistance R5, filter capacitor C1, C2, reverse swing door integrated circuit U1 and U2, electricity output end
J2；Voltage accesses rectifier diode D1 rectification by electrical input J1, and then voltage is divided by divider resistance R1, R2, R3, institute
It states partial pressure adjustable resistance VR1 to be connected among divider resistance R2, R3, the filter capacitor C1 is among divider resistance R1, R2, institute
The filter capacitor C2 setting is stated among divider resistance R2 and partial pressure adjustable resistance VR1, partial pressure adjustable resistance VR1 third foot is defeated
Voltage is followed by electricity output end J2 by resistance R4, R5 partial pressure out, after reverse swing door integrated circuit U1, U2 series connection simultaneously with resistance R5
Connection.
7. a kind of IC of flat-plate type lens according to claim 6 drives LED street lamp, it is characterised in that: switching
Circuit includes resistance R6, resistance R7, capacitor C3, capacitor C4, switching transistor Q1, switching transistor Q2, sustained diode 2, continues
Stream diode D3, single-pole double-throw switch (SPDT) relay JDQ1, JDQ2 and electrical input J3 and electricity output end J4, the voltage pass through
Electrical input J3 input, is exported by electricity output end J4；The doubleway output voltage of the two-way adjustable voltage hysteresis control circuit
Signal LOW and MID are controlled, is connect respectively with the resistance R6 of switch switching circuit, resistance R7, the voltage of signal LOW input
It is filtered by resistance R6 current limliting, capacitor C3, control switch triode Q1, sustained diode 2 and single-pole double-throw switch (SPDT) relay
JDQ1, then voltage input to single-pole double-throw switch (SPDT) relay JDQ2, the single-pole double-throw switch (SPDT) relay JDQ2 and electricity output
Hold J4 connection；Voltage is filtered by resistance R6 current limliting, capacitor C3, and control switch triode Q1, sustained diode 2 and hilted broadsword are double
Throw switch relay JDQ1, then voltage input to single-pole double-throw switch (SPDT) relay JDQ2, the single-pole double-throw switch (SPDT) relay
JDQ2 is connect with electricity output end J4, and the voltage of signal MID input is filtered through resistance R7 current limliting, capacitor C4, control switch triode
Then Q2, sustained diode 3 and single-pole double-throw switch (SPDT) relay JDQ2 are exported by electricity output end J4.
8. a kind of IC of flat-plate type lens according to claim 7 drives LED street lamp, it is characterised in that: the over-voltage is protected
Module is protected by substrate (10), front electrode (11), rear electrode (9), fuse-link (13), protective layer (12) and end (14) group
At the front electrode (11) and rear electrode (9) form array arrangement on the surface of substrate (10) respectively, and pass through end
(14) it mutually forms and conducts, the fuse-link (13) and two adjacent front electrodes (11) are an entirety, the protection
Layer coats fuse-link (13) by protective layer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006097.7A CN109140286A (en) | 2017-10-25 | 2017-10-25 | A kind of IC driving LED street lamp of flat-plate type lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711006097.7A CN109140286A (en) | 2017-10-25 | 2017-10-25 | A kind of IC driving LED street lamp of flat-plate type lens |
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| Publication Number | Publication Date |
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| CN109140286A true CN109140286A (en) | 2019-01-04 |
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| CN201711006097.7A Pending CN109140286A (en) | 2017-10-25 | 2017-10-25 | A kind of IC driving LED street lamp of flat-plate type lens |
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