CN208523052U - Printed circuit board, LED illumination driving device and LED lamp - Google Patents
Printed circuit board, LED illumination driving device and LED lamp Download PDFInfo
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- CN208523052U CN208523052U CN201820984923.9U CN201820984923U CN208523052U CN 208523052 U CN208523052 U CN 208523052U CN 201820984923 U CN201820984923 U CN 201820984923U CN 208523052 U CN208523052 U CN 208523052U
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- printed circuit
- circuit board
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Abstract
The utility model relates to a kind of printed circuit boards, and the conducting wire including substrate and setting on the substrate, the printed circuit board further includes resistance, and the resistance is routed by the conductive line bends and is formed, and the resistance is that the conductive line bends are routed the conductor resistance to be formed.The utility model further relates to LED illumination driving device and LED lamp comprising the printed circuit board.Above-mentioned printed circuit board increases the length of conducting wire by way of being bent wiring, and being formed has the conductor resistance of certain resistance value to replace resistive element, both saves saving cost or saves space.
Description
Technical field
The utility model relates to LED fields, more particularly to a kind of printed circuit board, LED illumination driving device and LED
Lamps and lanterns.
Background technique
LED illumination lamp is a novel environmentally friendly light source, is widely used in respectively because its small in size, at low cost and performance is high
Class illuminates place.LED illumination lamp mostly uses direct current supply at present, and electric main need to be changed into after direct current again by rectification circuit
Drive lamp bead to shine by LED illumination driving device, if occurring being struck by lightning in lighting process, be easy to produce lightning surge and
The LED illumination lamp is damaged, therefore, protection against lightning strikes circuit need to be designed in LED illumination lamp.GB/ according to national standards
T17626.5-2008 " EMC test and measuring technique surge (impact) immunity experiment " grade 1 requires surge immunity
Test voltage is 500V, and to meet this requirement, common practice is the driving circuit connected to power supply in LED illumination lamp at present
One wire resistor of middle series connection shone printed circuit board and LED inside LED illumination lamp to carry out current-limiting protection
The volume of bright driving device increases, and also increases cost.
Utility model content
Based on this, it is necessary to which for increasing in LED drive circuit, current-limiting resistance will lead to printed circuit board and LED shines
The problem of bright driving device volume increases and cost increases, provide a kind of novel printed circuit board, LED illumination driving device with
And LED lamp.
A kind of printed circuit board, the conducting wire including substrate and setting on the substrate, the printed circuit board further include
Resistance, the resistance are routed by the conductive line bends and are formed, and the resistance is that the conductive line bends are routed the conductor resistance to be formed.
Above-mentioned printed circuit board increases the length of conducting wire by way of bending wiring, and being formed has leading for certain resistance value
Line resistance, when electronic component is fixed on printed circuit board, when connecting to form circuit by conducting wire, which can be suitable
In the equivalent resistance that one is accessed in circuit, resistive element is replaced using conductor resistance, it on the one hand can be with save the cost, another party
Face, since electronic component needs that certain space can be occupied on a printed circuit by the way that pad is fixed, so that printing electricity
Road plate bulk increases, and directly replaces resistive element using conductor resistance, and saving space is conducive to the small-sized of circuit board and product
Change.
The conductive line bends wiring is specially the arched wiring of conducting wire in one of the embodiments,.
The printed circuit board further includes pad in one of the embodiments, and the arch wiring includes around described
The arch of the arch wiring and capwise that are horizontally orientated to of pad is routed.
A kind of LED illumination driving device for being connected between power supply and light source, including printed circuit board and is arranged in institute
The electronic component on printed circuit board is stated, the printed circuit board includes the conducting wire of substrate and setting on the substrate, described
Electronic component connects to form driving circuit to drive the light source normal luminous by the conducting wire, and the driving circuit includes limit
Leakage resistance, the current-limiting resistance are routed by the conductive line bends and are formed, and the current-limiting resistance is that the conductive line bends are routed to be formed
Conductor resistance.
Above-mentioned LED illumination driving device, by the electronic component structure of printed circuit board and setting on the printed circuit board
At electronic component connects to form driving circuit by the conducting wire on printed circuit board, which includes current-limiting resistance, leads to
The current-limiting resistance is crossed, can effectively avoid lightning surge, and the current-limiting resistance is the conductive line bends cloth by a printed circuit
Line makes conducting wire reach certain length and is formed with the conductor resistance of certain resistance value, using the conductor resistance as current-limiting resistance,
It, on the one hand can be with save the cost, on the other hand, since electronic component needs instead of the resistive element being connected with printed circuit board
It is fixed on a printed circuit by pad, therefore certain space can be occupied, so that printed circuit plate bulk increases, directly make
Resistive element is replaced with conductor resistance, space is saved, is conducive to the miniaturization of driving device and product.
The conductive line bends wiring is specially the arched wiring of conducting wire in one of the embodiments,.
The printed circuit board further includes pad in one of the embodiments, and the electronic component passes through the pad
It is fixed on the printed circuit board, the arch wiring includes around the arch wiring being horizontally orientated to of the pad and vertical
The arch of trend is routed.
The power of the current-limiting resistance is 1W in one of the embodiments, and the resistance value of the current-limiting resistance is 10 Ω.
The driving circuit includes sequentially connected input rectification circuit, input filter electricity in one of the embodiments,
Road, control circuit and output filter circuit further include the current-limiting resistance, in which:
The input rectification circuit is for output direct current after connecting with the power supply and rectifying to alternating current to institute
State input filter circuit；
The input filter circuit is for output after receiving the direct current and being filtered to the control circuit；
The control circuit is for receiving the direct current and exporting constant current to the output filter circuit；
The output filter circuit is used to connect with the light source and for after receiving the constant current and being filtered
Output is to the light source to drive the light source normal luminous.
The control circuit includes the control chip and its periphery member of model JD9521E5 in one of the embodiments,
Part, the peripheral cell include first resistor, freewheeling diode and energy storage inductor；The control chip include power pins,
Current feedback pin and input control pin, the power pins are connect with the positive output end of the input filter circuit, described
First resistor is connected between the current feedback pin of the control chip and the negative output terminal of the input filter circuit, described
The anode of freewheeling diode with it is described control chip input control pin connect, the cathode of the freewheeling diode with it is described defeated
Entering the positive output end connection of filter circuit, one end of the energy storage inductor is connect with the input control pin of the control chip,
The other end is connect with output filter circuit.
A kind of lamps and lanterns, including LED light source and the LED illumination driving device connecting with the LED light source, the LED shines
Bright driving device is LED illumination driving device described above.
Above-mentioned lamps and lanterns are filled by driving light source using above-mentioned LED illumination driving device since above-mentioned LED illumination drives
Lightning surge can effectively be avoided by setting, while small in size and at low cost, so that the lamps and lanterns are also correspondingly avoided that lightning surge, be had
Beneficial effect at low cost small in size.
Detailed description of the invention
Fig. 1 is the wiring diagram of printed circuit board in an embodiment provided by the utility model；
Fig. 2 is the circuit diagram of the driving circuit in a kind of embodiment provided by the utility model.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element may be simultaneously present centering elements.
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail.
As described in Figure 1, the printed circuit board in this programme includes the conducting wire 20 of substrate 10 and setting on the substrate 10, the print
Printed circuit board further includes resistance, which formed by the bending wiring of conducting wire 20, i.e., the resistance is that the bending wiring of conducting wire 10 is formed
Conductor resistance.
Printed circuit board in this programme is increased the length of conducting wire 20 by way of bending wiring, has conducting wire 20
Certain resistance value, when electronic component is fixed on printed circuit board, forms circuit by the connection of conducting wire 20, which can
With the equivalent resistance being equivalent in an access circuit.It can be with according to the sectional area of the resistance value of required resistance and selected conducting wire 20
Determine required conducting wire length of arrangement wire, further according to substrate can the length of arrangement wire of layout area and conducting wire conducting wire 20 is carried out rationally
Wiring.In the present solution, can both be also avoided with save the cost because of welding due to replacing resistive element using conductor resistance
Space waste caused by resistive element is conducive to the miniaturization of circuit board and corresponding product.
In some preferred embodiments, the bending wiring of conducting wire 20 is specially the arched wiring of conducting wire 20.As shown in Figure 1,
The adjacent wires of arched wiring are parallel to each other and spacing is equal, so that overall routing is neatly regular, and conductor spacing meets print
The safe spacing requirement of printed circuit board wiring.
In some preferred embodiments, printed circuit board further includes pad 30, and above-mentioned arch wiring includes surrounding pad
The arch of 30 the arch wiring and capwise that are horizontally orientated to is routed, i.e., conducting wire 20 includes being horizontally orientated to bend around pad 30
The conducting wire 200 of shape wiring and the conducting wire 201 of capwise arch wiring.Pad 30 is for welding electronic component so that electronics is first
Part is fixed on a printed circuit, therefore pad 30 itself need to occupy certain spatial area, and between pad 30 and conducting wire 20
There is also certain spacing to meet safe distance as defined in printed circuit board, can make full use of printing electricity around the wiring of pad 30
The space of road plate.As long as it is safe wiring region that the spacing for meeting conducting wire 20 and pad 30, which meets the region of safe distance, can
To carry out the arch wiring of conducting wire to make full use of the wiring space of printed circuit board, the layout area of printed circuit board is reduced,
Improve the integrated level of printed circuit board.As shown in Figure 1, the conventional trend that conducting wire 20 is routed is to be horizontally orientated to, when in same level
When multiple pads 30 occurs in direction, the mode that capwise can be used in the safety zone between adjacent pad 30 is routed, thus
It makes full use of the wiring space of printed circuit board and makes overall routing global regularity.
This programme further relates to a kind of LED illumination driving device, and the LED illumination driving device is for being connected to power supply and light source
Between to drive light source normal luminous.The LED illumination driving device includes printed circuit board and is arranged on a printed circuit
Electronic component, the structure of the printed circuit board is referring to Fig. 1, conducting wire 20 including substrate 10 and setting on the substrate 10, electronics member
Part forms driving circuit by the connection of conducting wire 20, i.e. operating circuit inside the driving device is the driving circuit, driving device
Light source normal luminous is driven particular by internal driving circuit.The driving circuit includes current-limiting resistance, the current-limiting resistance by
The bending wiring of conducting wire 20 is formed, i.e., it is that the bending wiring of conducting wire 20 is formed by conductor resistance that the resistance is practical.
Above-mentioned LED illumination driving device, by the electronic component structure of printed circuit board and setting on the printed circuit board
At electronic component forms driving circuit by the connection of conducting wire 20 on printed circuit board, can drive light by the driving circuit
Source normal luminous.Since in thunderstorm weather, if the driving circuit is likely to lightning surge occur and damages the electricity by lightning stroke
Road device and light source, in the present solution, driving circuit include current-limiting resistance, lightning surge can be avoided, effectively to carry out to circuit
Protection.Meanwhile the current-limiting resistance is not actual resistive element, but by making the bending wiring of conducting wire 20 on a printed circuit
And the conductor resistance formed, resistive element is replaced using conductor resistance, not only can be with save the cost, but also printed circuit board can be reduced
On number of pads, save space, be conducive to the miniaturization of driving device and product.
In a preferred embodiment, the bending of conducting wire 20 wiring is specially the arched wiring of conducting wire 20.As shown in Figure 1, being in
The adjacent wires of arch wiring are parallel to each other and spacing is equal, so that overall routing is neatly regular, and conductor spacing meets printing
The safe spacing requirement of circuit board wiring.
In some preferred embodiments, printed circuit board further includes pad 30, and electronic component is fixed on by pad 30
On printed circuit board, above-mentioned arch wiring includes the arch cloth of the arch wiring and capwise that are horizontally orientated to around pad 30
Line, i.e. conducting wire 20 include the conducting wire of the conducting wire 200 for being horizontally orientated to arch wiring and the wiring of capwise arch around pad 30
201.Because pad 30 itself need to occupy certain spatial area, and between pad 30 and conducting wire 20, there is also certain spacing with full
Safe distance as defined in footmark printed circuit board is routed the space that can make full use of printed circuit board around pad 30.As long as meeting
It is safe wiring region that the spacing of conducting wire 20 and pad 30, which meets the region of safe distance, can carry out the arch wiring of conducting wire
To make full use of the wiring space of printed circuit board, the layout area of printed circuit board is reduced, improves the integrated of printed circuit board
Degree.As shown in Figure 1, the conventional trend that conducting wire 20 is routed is to be horizontally orientated to, when there are multiple pads 30 in same level direction,
The mode that capwise can be used in safety zone between adjacent pad 30 is routed, and thus makes full use of the cloth of printed circuit board
Space of lines simultaneously makes overall routing global regularity.
In some preferred embodiments, the power of current-limiting resistance is 1W, and resistance value is 10 Ω, can be according to current-limiting resistance
The sectional area of resistance value and conducting wire 20 calculates the length of arrangement wire of conducting wire 20, reasonable line arrangement.
In some preferred embodiments, driving circuit include sequentially connected input rectification circuit, input filter circuit,
Control circuit and output filter circuit further include above-mentioned current-limiting resistance.Wherein, input rectification circuit be for connecting to power supply,
It is such as electrically connected with city to obtain alternating current and the alternating current is converted to output after direct current and give the input filter circuit；The input
Filter circuit is for receiving the direct current and being filtered to filter out ripple therein；Control circuit is for receiving the input filter
The direct current of circuit output simultaneously exports constant current to the output filter circuit；Output filter circuit again to the constant current into
Row filtering, and the output filter circuit is used to connect with light source, for exporting filtered constant current to the light source to drive
Move the light source normal luminous.
In some preferred embodiments, as shown in Fig. 2, the control circuit includes the control chip of model JD9521E5
U1 and its peripheral cell, the peripheral cell include first resistor component, sustained diode 1 and energy storage inductor L1；Control chip
U1 includes power pins HV, current feedback pin CS and input control pin DRAIN.First resistor component is connected to control chip
To play the role of current limliting between the current feedback pin CS of U1 and the negative output terminal of input filter circuit, input filter circuit
Positive output end is connect with power pins HV.In the present solution, first resistor component includes resistance R1 and resistance R2 in parallel, this is defeated
Entering filter circuit is the cathode that filter capacitor C1, i.e. resistance R1 and resistance R2 are parallel to current feedback pin CS Yu filter capacitor C1
Between, the anode of filter capacitor C1 is connect with power pins HV.The input control of the anode and control chip U1 of sustained diode 1
Pin DRAIN connection processed, the cathode of sustained diode 1 and the positive output end of input filter circuit connect, i.e. sustained diode 1
The anode of cathode and filter capacitor C1 connect.One end of energy storage inductor L1 and the input control pin DRAIN of control chip U1
The negative output terminal of connection, the other end and output filter circuit connects, in the present solution, output filter circuit is filter capacitor C2,
I.e. the other end of energy storage inductor L1 is connect with the cathode of filter capacitor C2, the anode and the yin of sustained diode 1 of filter capacitor C2
Pole connection.Input rectification circuit in this programme is the bridge rectifier DB1, filter capacitor C1 being made of four diodes
Anode connect with the positive output end of the input rectification circuit, the negative output of the cathode of filter capacitor C1 and the input rectification circuit
End connects and is connected to ground wire.
The control chip U1 internal structure and working principle of JD9521E5 can be found in that application No. is 201520642252.4
Patent document, the driving circuit can connect to power supply and provide constant electric current for light source.Meanwhile the driving circuit further includes
Current-limiting resistance RPCB, pass through current-limiting resistance RPCB, can effectively avoid lightning surge, and current-limiting resistance RPCBReally print
The conductor resistance of circuit board.By forming driving electricity using having the conducting wire of certain resistance value to connect electronic component
Road, the input rectification circuit and input filter circuit being equivalent in the driving circuit access an equivalent current-limiting resistance RPCB, with generation
For the resistive element actually accessed, to save cost and save space.
The utility model further relates to a kind of LED lamp, drives including LED light source and the LED illumination connecting with LED light source
Device, the LED illumination driving device are above-mentioned LED illumination driving device, and the structure of LED illumination driving device is retouched above
It states, details are not described herein again.
Above-mentioned LED lamp is by driving light source using above-mentioned LED illumination driving device, since above-mentioned LED illumination drives
Device can effectively avoid lightning surge, while small in size and at low cost, so that the lamps and lanterns are also correspondingly avoided that lightning surge, tool
There is beneficial effect at low cost small in size.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of printed circuit board, the conducting wire including substrate and setting on the substrate, which is characterized in that the printed circuit
Plate further includes resistance, and the resistance is routed by the conductive line bends and is formed, and the resistance conductive line bends are routed to be formed
Conductor resistance.
2. printed circuit board according to claim 1, which is characterized in that the conductive line bends wiring is specially the conducting wire
Arched wiring.
3. printed circuit board according to claim 2, which is characterized in that the printed circuit board further includes pad, described
Arch wiring includes that the arch of the arch wiring and capwise that are horizontally orientated to around the pad is routed.
4. a kind of LED illumination driving device, for being connected between power supply and light source, including printed circuit board and it is arranged described
Electronic component on printed circuit board, the printed circuit board include the conducting wire of substrate and setting on the substrate, the electricity
Subcomponent connects to form driving circuit to drive the light source normal luminous by the conducting wire, which is characterized in that the driving
Circuit includes current-limiting resistance, and the current-limiting resistance is routed by the conductive line bends and is formed, and the current-limiting resistance is that the conducting wire is curved
The conductor resistance that song wiring is formed.
5. LED illumination driving device according to claim 4, which is characterized in that the conductive line bends wiring is specially institute
State the arched wiring of conducting wire.
6. LED illumination driving device according to claim 5, which is characterized in that the printed circuit board further includes pad,
The electronic component is fixed on the printed circuit board by the pad, and the arch wiring includes around the pad
The arch of the arch wiring and capwise that are horizontally orientated to is routed.
7. LED illumination driving device according to claim 4, which is characterized in that the power of the current-limiting resistance is 1W, institute
The resistance value for stating current-limiting resistance is 10 Ω.
8. LED illumination driving device according to claim 4, which is characterized in that the driving circuit includes being sequentially connected
Input rectification circuit, input filter circuit, control circuit and output filter circuit, further include the current-limiting resistance, in which:
The input rectification circuit is for exporting direct current after connect with the power supply and rectifying to alternating current to described defeated
Enter filter circuit；
The input filter circuit is for output after receiving the direct current and being filtered to the control circuit；
The control circuit is for receiving the direct current and exporting constant current to the output filter circuit；
The output filter circuit is used to connect with the light source and for receiving the constant current and exporting after being filtered
To the light source to drive the light source normal luminous.
9. LED illumination driving device according to claim 8, which is characterized in that the control circuit includes model
The control chip and its peripheral cell of JD9521E5, the peripheral cell include first resistor component, freewheeling diode and storage
It can inductance；The control chip includes power pins, current feedback pin and input control pin, the power pins and institute
The positive output end connection of input filter circuit is stated, the first resistor is connected to current feedback pin and the institute of the control chip
It states between the negative output terminal of input filter circuit, the input control pin of the anode of the freewheeling diode and the control chip
Connection, the cathode of the freewheeling diode are connect with the positive output end of the input filter circuit, one end of the energy storage inductor
It is connect with the input control pin of the control chip, the negative output terminal connection of the other end and output filter circuit.
10. a kind of LED lamp exists including LED light source and the LED illumination driving device connecting with the LED light source, feature
In the LED illumination driving device is the described in any item LED illumination driving devices of claim 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984923.9U CN208523052U (en) | 2018-06-25 | 2018-06-25 | Printed circuit board, LED illumination driving device and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984923.9U CN208523052U (en) | 2018-06-25 | 2018-06-25 | Printed circuit board, LED illumination driving device and LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208523052U true CN208523052U (en) | 2019-02-19 |
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ID=65337593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820984923.9U Active CN208523052U (en) | 2018-06-25 | 2018-06-25 | Printed circuit board, LED illumination driving device and LED lamp |
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| Country | Link |
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| CN (1) | CN208523052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660786A (en) * | 2019-08-21 | 2020-01-07 | 深圳市晶导电子有限公司 | Integrated circuit of LED driving power supply, manufacturing method thereof and LED driving power supply |
-
2018
- 2018-06-25 CN CN201820984923.9U patent/CN208523052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110660786A (en) * | 2019-08-21 | 2020-01-07 | 深圳市晶导电子有限公司 | Integrated circuit of LED driving power supply, manufacturing method thereof and LED driving power supply |
| CN110660786B (en) * | 2019-08-21 | 2024-02-27 | 深圳市晶导电子有限公司 | Integrated circuit of LED driving power supply, manufacturing method of integrated circuit and LED driving power supply |
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