CN205071468U - Solar lamp and be used for solar lamp's PCB circuit board - Google Patents

Abstract

An embodiment of the utility model provides a solar lamp and be used for solar lamp's PCB circuit board wherein, is equipped with breach fluting at least on this PCB circuit board, breach fluting both sides are provided with the pad, the pad respectively with the inside circuit connection of PCB, two pins of plug -in components formula electronic components weld respectively the pad department of breach fluting both sides. The embodiment of the utility model provides a through the fluting of the breach on the PCB circuit board, can adopt automatic paster technology to realize plug -in components formula electronic components automatic weld on the PCB circuit board. Above -mentioned technical scheme had both adopted the lower plug -in components formula electronic components of cost, had adopted automatic paster technology again, realized in the cost -effective while, can improve the quality of production efficiency and product again.

Description

Solar lamp and the PCB for Solar lamp

Technical field

The utility model embodiment relates to printed substrate technical field, particularly a kind of Solar lamp and the PCB for Solar lamp.

Background technology

Solar lamp is made up of solar module (the brilliant plate of solar energy), ultra-bright LED lamp (light source), non-maintaining chargeable storage, automatic control circuit (PCB), light fixture etc.Mainly utilize the energy of solar cell to carry out work, when daytime solar light irradiation on the solar cell, luminous energy is transformed into electric energy and is stored in storage battery, then provide power supply by storage battery at the LED (light-emittingdiode) that night is Lawn lamp.Its advantage is mainly safe, energy-conservation, convenient, environmental protection etc., is applicable to residential district green grassland and beautifies illumination and intersperse, and lawn, park is beautified and interspersed.

The cost of current Solar lamp mainly comprises the cost of raw material and production cost, and its production cost concentrates in the making of PCB and the equipped production of wiring board and other assemblies (plate as brilliant in solar energy).At present when PCB makes, electronic devices and components have two kinds of mounting meanss: one is automatic chip mounting mode, namely adopt automation equipment to realize the SMD electronic devices and components of Auto-mounting; One is plug-in unit mode, and see Fig. 1 and Fig. 2, existing plug-in type electronic devices and components C is provided with pin B, and PCB is provided with insert hole D.When plug-in type electronic devices and components installed by plug-in unit, because pin is that flexible material is wayward, be therefore all adopt manual type to be inserted in insert hole by pin.

When adopting automatic chip mounting, although enhance productivity, but the cost producing SMD electronic devices and components is higher, and in certain special cases, as comparatively large in electronic devices and components specification or when coordinating the needing of PCB configuration, automatic chip mounting technology cannot be adopted, traditional plug-in unit mode can only be adopted to install.And during plug-in type installation, although the cost producing plug-in type components and parts is lower, installing needs manually, increase product cost, and easily cause the risk of the not gentle pin short circuit of electronic devices and components installation height.

Utility model content

The problems referred to above caused during plug-in type components and parts must be adopted under solving some particular case, the utility model provides a kind of Solar lamp and the PCB for Solar lamp, to realize under the prerequisite of controlling cost, improve production efficiency and the product quality of Solar lamp.

First aspect, the utility model embodiment provides a kind of PCB for Solar lamp, described PCB is at least provided with a breach fluting, described breach fluting both sides are provided with pad, described pad is connected with PCB internal circuit respectively, and two pins of plug-in type electronic devices and components are welded on the pad place of described breach fluting both sides respectively.

In the first possible implementation in first, described breach fluting is arranged on the edge of described PCB.

In the implementation that the second in first is possible, described breach fluting bottom is also provided with limiting plate, and the height of described limiting plate is not more than the bottom level of described electronic devices and components.

In the third possible implementation in first, described breach fluting both sides are also provided with half opening groove, and described pad is arranged in described half opening groove, and described pad height is not more than described PCB height.

According to first aspect in the third any one possible implementation of first aspect, in the 4th kind of possible implementation in first, the paster LED components and parts light outlet place in described PCB is horn shape.

3rd aspect, the utility model embodiment also provides a kind of Solar lamp, comprise the brilliant plate of solar energy, control luminous circuit board and storage battery, wherein said control luminous circuit board adopts as any one the PCB for Solar lamp of the possible implementation in the 4th kind, an aspect, first aspect to the first.

In the first possible implementation in the 3rd, also comprise:

Automatic loading board slot, both sides are respectively equipped with the brilliant plate holding tank of solar energy and PCB holding tank, are provided with projection bottom the brilliant plate holding tank of described solar energy, are provided with passage between the brilliant plate holding tank of described solar energy and PCB holding tank;

The brilliant plate of described solar energy, be placed in the brilliant plate holding tank of solar energy of described automatic loading board slot, the brilliant plate front of described solar energy is placed in outside described automatic loading board slot, the brilliant back of described solar energy is placed in inside described automatic loading board slot, and the brilliant back of described solar energy is provided with positive pole/negative pole access point at the passage place of described automatic loading board slot;

Described PCB, be placed in the PCB holding tank of described automatic loading board slot, described PCB front is placed in outside described automatic loading board slot, the described PCB back side is placed in inside described automatic loading board slot, the described PCB back side connects and arranges L-type positive pole/negative polarity sheet on the plant-grid connection point at the passage place of described automatic loading board slot, and the positive pole/negative pole access point of plate brilliant in described solar energy is connected respectively.

The utility model embodiment, by the breach fluting in PCB, can adopt automatic pasting technique to realize plug-in type electronic devices and components automatic welding in PCB.Technique scheme both have employed lower-cost plug-in type electronic devices and components, have employed automatic pasting technique again, realized while cost-saving, can enhance productivity again and the quality of product.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the structure front view of the PCB of existing employing plug-in type components and parts;

Fig. 2 is the structure vertical view of the PCB of existing employing plug-in type components and parts;

Fig. 3 is the structural representation of the utility model for a PCB embodiment of Solar lamp;

Fig. 4 is the structural representation of the utility model for another embodiment of PCB of Solar lamp;

Fig. 5 is the structural representation of the utility model for another embodiment of PCB of Solar lamp;

Fig. 6 is the structural representation of the utility model for another embodiment of PCB of Solar lamp;

Fig. 7 is the structural representation of the utility model for another embodiment of PCB of Solar lamp;

Fig. 8 is the flow chart of the utility model for a manufacture method embodiment of the PCB of Solar lamp;

Fig. 9 is the flow chart of the utility model for another embodiment of manufacture method of the PCB of Solar lamp;

Figure 10 is the structural representation of the utility model Solar lamp embodiment;

Figure 11 is the structural representation in Figure 10 between PCB and the brilliant plate of solar energy.

Reference numeral:

1:PCB wiring board 2: the brilliant plate 3 of solar energy: storage battery

5: automatic loading board slot 10: breach fluting 11: pad

12: half opening groove 20: plug-in type electronic devices and components 21: pin

30: limiting plate 40:LED components and parts 41: light outlet place

51: solar energy brilliant plate holding tank 52:PCB wiring board holding tank 53:L type positive pole/negative polarity sheet

54: plant-grid connection point 55: positive pole/negative pole access point 56: passage

57: protruding

Embodiment

For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

The utility model provides a kind of PCB, Fig. 3 is the structural representation of the utility model for a PCB embodiment of Solar lamp, as shown in Figure 3, in the PCB that the present embodiment provides, 1 is at least provided with a breach fluting 10, this breach 10 both sides of slotting are provided with pad 11, pad 11 is connected with PCB 1 internal circuit respectively, and two pins 21 of plug-in type electronic devices and components 20 are welded on described breach respectively and slot pad 11 place of 10 both sides.The number of the breach groove in said structure can determine according to the number of required electronic devices and components.

In prior art, although SMD electronic devices and components can save human cost when subsequent installation, but because its production cost is higher than plug-in type electronic devices and components, therefore when needing a large amount of components and parts, consider from cost-effective angle, a lot of producer still adopts plug-in type electronic devices and components.And in some cases (as electronic devices and components dimensions is comparatively large or PCB layout is limited), plug-in type electronic devices and components must be adopted, such as jumbo electric capacity and inductance, parameter is larger, volume is larger, and the components and parts of large volume are difficult to realize paster and install, and plug-in unit is installed then needs manual operation, and above-mentioned PCB structure is by arranging breach groove, the automatic attachment process to plug-in type electronic devices and components can be realized.Not only provide cost savings, provide and produce equipped efficiency, also avoid the quality problems because artificial plug-in unit causes.

Fig. 4 is the structural representation of the utility model for another embodiment of PCB of Solar lamp, and as shown in Figure 4, in order to coordinate the needs of attachment automatically, in this embodiment, breach fluting 10 is arranged on the edge of PCB 1.Be arranged on edge, be more conducive to slot treatment when making on the one hand, be also more conducive to control when automatically mounting on the other hand.Certainly, the position of breach fluting can set according to the design when layout of PCB and automatic attachment, there is no fixing restriction.

Fig. 5 is the structural representation of the utility model for another embodiment of PCB of Solar lamp, as shown in Figure 5, in this embodiment, bottom breach fluting 10, be also provided with limiting plate 30, the height of this limiting plate 30 is not more than the bottom level of these plug-in type electronic devices and components 20.

In above-mentioned enforcement structure, the object arranging limiting plate is:

(1) if the bottom level of plug-in type electronic devices and components lower than bottom PCB time, when automatically mounting, erected after easily causing the bottom of plug-in type electronic devices and components to touch equipped platform, two pins cannot be close on pad, if now arrange a fixing limiting plate in bottom, and the height of limiting plate is not more than the bottom level of these plug-in type electronic devices and components, limiting plate drops on equipped platform, plug-in type electronic devices and components drop on limiting plate, then can avoid the problems referred to above;

(2) if the bottom level of plug-in type electronic devices and components higher than bottom PCB time, when automatically mounting, plug-in type electronic devices and components likely sink to equipped platform by ambient pressure effect, easily cause the pin breakage of plug-in type electronic devices and components and cannot use, if now arrange a fixing limiting plate in bottom, and the height of limiting plate equals or bottom level slightly larger than these plug-in type electronic devices and components time, plug-in type electronic devices and components drop on limiting plate, then can avoid the problems referred to above.

Fig. 6 is the structural representation of the utility model for another embodiment of PCB of Solar lamp, as shown in Figure 6, half opening groove 12 is also provided with at the breach 10 both sides places that slot, described pad 11 is arranged in described half opening groove 12, and described pad 11 is highly not more than described PCB 1 height.Arrange half opening groove object herein when being automatic loading, two pins of plug-in type electronic devices and components can drop on groove naturally, even if occur that the tin cream on pad does not well paste pin, pin also can not be caused to move around and depart from pad.

Fig. 7 is the structural representation of the utility model for another embodiment of PCB of Solar lamp, and as shown in Figure 7, the paster LED components and parts 40 light outlet place 41 in PCB 1 is horn shape.Because according to plug-in unit lamp pearl owing to there being the length of pin, can higher than PCB 10mm-20mm when installation.Therefore be installed to structural member (plastics or metal shell) just light source to be exposed outside structure.And adopt during paster LED and can only install in PCB surface, its produce light can be blocked by structure, and if make horn shape in LED light line exit, then light can be prevented to be blocked, effectively to provide light-source brightness.

The manufacture method of the PCB that the utility model provides is described below.

Fig. 8 is the flow chart of the utility model for a manufacture method embodiment of the PCB of Solar lamp, and the method as shown in Figure 8, comprising:

Step 100, carry out in PCB slot treatment with formed breach fluting;

In this step, can adopt during fluting CNC computer slotting or use cutting die cutting, PCB circuit design time can avoid breach fluting sentence avoid destroy internal circuit.Concrete slotting position and size can set according to the dimensions of the plug-in type electronic devices and components needed for adopting and installation site.

When above-mentioned steps process PCB, need to reserve pad at described breach fluting both sides place, described pad is electrically connected with described PCB internal circuit respectively; The manufacture craft of pad: the copper-clad plate of PCB is that the full Copper Foil of whole plate covers on dielectric panel at the making initial stage, by ink printing, copper coin is drawn circuit and pad; Then put into liquor ferri trichloridi and erode the copper not having ink to cover; Finally clean ink just out copper wire and pad.

Step 200, on the pad of described breach fluting both sides print solder paste;

This step can adopt automatic press process, and described tin cream main component is mixed together by metal dust tin and scaling powder, has certain viscosity, paste object, and high temperature can melt and condenses into tin point.

Step 300, the pin of plug-in type electronic devices and components is bonded on the pad of described breach fluting both sides;

This step can adopt automatic placement machine process, because tin cream is the dope of paste, components and parts temporarily can be sticked in PCB.

Step 400, through Reflow Soldering high temperature, the tin cream on the pad of described breach fluting both sides to be melted, be fixedly welded in described PCB with described electronic devices and components after making cooling.

Wait for all installations of whole PCB components and parts, will be welded by high temperature reflux, tin cream is melted into the conductive bump of metallic state, after cooling, scolding tin is by components and parts and the fastening difficult drop-off that links together of PCB.

In technique scheme, particularly, step 300 can comprise:

A, by automatic shaping machine by the pin of plug-in type electronic devices and components cutting shaping to make the specification of each electronic devices and components identical, be conducive to chip mounter identify components and parts shape reduce error, the higher paster of components and parts conformity install precision higher;

B, the plug-in type electronic devices and components after cutting shaping are carried out automatic braid process, can be used for the uninterrupted feeding fast of later stage chip mounter;

C, automatic placement machine draw the plug-in type electronic devices and components be positioned in braid by vacuum slot, then through image scanning, after correcting the error of plug-in type electronic devices and components absorption, described plug-in type electronic devices and components are mounted automatically the breach fluting place of described PCB; In this step, because electronic devices and components two ends pin length is greater than the length of breach fluting, just frame is on the pad at breach fluting two ends for pin, and tin cream has certain viscosity, and plug-in type electronic devices and components are temporarily placed in PCB and can not move.

Can obviously find out from above, above steps all can realize mechanical automation and realize.Thus, through step 100 ~ 400, plug-in type electronic devices and components lower for production cost can be realized to realize automatically attachment, avoid the operating efficiency that the artificial plug-in unit of existing employing causes low, the problem that the high and quality of cost cannot ensure.

Fig. 9 is the flow chart of the utility model for another embodiment of manufacture method of the PCB of Solar lamp, compared with the method shown in Fig. 8, this embodiment adds step 101 after step 100, namely according to the bottom level of plug-in type electronic devices and components installation site, one limiting plate is set in described breach fluting bottom.The object and the meaning that arrange limiting plate describe in detail in the embodiment shown in fig. 5, do not repeat them here.

The utility model embodiment also provides a kind of Solar lamp, Figure 10 is the structural representation of the utility model Solar lamp embodiment, as shown in Figure 10, this Solar lamp can comprise the brilliant plate 2 of solar energy, control luminous circuit board 1 and storage battery 3, and wherein said control luminous circuit board adopts the PCB for Solar lamp as shown arbitrarily in Fig. 3 ~ Fig. 7.

Wherein PCB circuit can comprise the core component such as inductance, IC, LED.The product work principle of the present embodiment is: daytime, solar irradiation produced electric energy by IC to charge in batteries, the brilliant plate of disconnection solar energy of the full IC of storage battery punching then protectiveness, the electric energy that now solar energy produces is only the signal that IC provides a daytime, and system is in holding state; Disappear to the electric energy of night due to the brilliant plate of solar energy, IC starts inductance discharge and recharge-boosting, and then promotes LED light.

Relative to product in the market because of many-sided reason, core component IC and inductance and LED install with card format, and the failure rate of product, cost, quality etc. are all difficult to be controlled.And the Solar lamp that the utility model embodiment provides can adopt the PCB structure as shown in Fig. 3 ~ Fig. 7, composition graphs 8 or the method shown in Fig. 9, original plug-in type electronic devices and components (as inductance) then can be realized to carry out cutting shaping, again braid, is placed into surface stick-mounting machine and mounts.It is high that this mounting means has efficiency, and cost is low, and quality such as to be guaranteed at the advantage.

And when paster LED is installed, LED can adopt the paster LED components and parts light outlet place in PCB to be as shown in Figure 7 set to horn shape, then light source guide type can be transmitted, light source consistency is higher.

In order to improve the Auto-mounting degree of Solar lamp further, in said structure, further, automatic loading board slot structure can also be added.Specifically as shown in figure 11, this structure comprises:

Automatic loading board slot 5, both sides are respectively equipped with the brilliant plate holding tank 51 of solar energy and PCB holding tank 52, are provided with protruding 57 bottom the brilliant plate holding tank 51 of described solar energy, are provided with passage 56 between the brilliant plate holding tank 51 of described solar energy and PCB holding tank 52;

The brilliant plate 2 of described solar energy, be placed in the brilliant plate holding tank 51 of solar energy of described automatic loading board slot 5, brilliant plate 2 front of described solar energy is placed in outside described automatic loading board slot 5, brilliant plate 2 back side of described solar energy is placed in inside described automatic loading board slot 5, and brilliant plate 2 back side of described solar energy is provided with positive pole/negative pole access point 55 at passage 56 place of described automatic loading board slot 5;

Described PCB 1, be placed in the PCB holding tank 52 of described automatic loading board slot 5, described PCB 1 front is placed in outside described automatic loading board slot 5, described PCB 1 back side is placed in inside described automatic loading board slot 5, described PCB 1 back side connects and arranges L-type positive pole/negative polarity sheet 53 on the plant-grid connection point 54 at passage 56 place of described automatic loading board slot 5, and the positive pole/negative pole access point 55 of plate 2 brilliant in described solar energy is connected respectively.

The brilliant plate of traditional solar energy adopts soft electric wire to be connected with PCB, because the characteristic of electric wire is difficult to control when technological operation.Such as during process implementing, during solar energy brilliant plate welding positive/negative electric wire, need manual operation; The brilliant plate of solar energy and PCB fixing after, more artificial by positive/negative wire welding in PCB.And intermediate demand carries out playing glue bond process to the brilliant plate of solar energy, be difficult to because electric wire is soft control, therefore beating glue bond also needs Artificial Control, and this all reduces production efficiency to the process of whole processing, and increases cost.And technique scheme is owing to have employed polarity sheet, good technology controlling and process can be realized, can well enhance productivity, greatly reduce production cost.

The production process of this structure is adopted to be:

(1) automatic dispensing machine is used to beat glass cement in the brilliant plate holding tank of solar energy;

(2) use automatic assembling machine device to be arranged in the brilliant plate holding tank of solar energy by brilliant for solar energy plate, the glass cement squeezed into by step (1), the brilliant plate of solar energy is bonded in the brilliant plate holding tank of solar energy;

(3) automatic assembling machine device is used PCB to be arranged in PCB holding tank.

Now, the L-type positive pole/negative polarity sheet of PCB is electrically connected through the positive pole/negative pole access point of the brilliant plate of passage and solar energy, thus realizes the electric energy of solar energy conversion to be input in PCB, the control of realizing circuit.

In order to strengthen the connection reliability of the positive pole/negative pole access point of L-type positive pole/negative polarity sheet and the brilliant plate of solar energy further, a step below can also be increased:

(4) PCB adopts automatic tin welding machine to carry out scolding tin between L-type positive pole/negative polarity sheet and the positive pole/negative pole of the brilliant plate of solar energy to be connected.

As can be seen from the above step, when production and processing Solar lamp as described in Figure 10, making PCB and automation equipment all can adopted to carry out automatic business processing (as automatic placement equipment, automatic dispensing machine and automatic tin welding machine etc.) when the brilliant plate of solar energy and PCB are equipped with, effectively can improve the production efficiency of Solar lamp, reduce manual operation, save production cost.

Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.

Claims (7)

1. the PCB for Solar lamp, it is characterized in that, described PCB is at least provided with a breach fluting, described breach fluting both sides are provided with pad, described pad is connected with PCB internal circuit respectively, and two pins of plug-in type electronic devices and components are welded on the pad place of described breach fluting both sides respectively.

2. the PCB for Solar lamp according to claim 1, is characterized in that, described breach fluting is arranged on the edge of described PCB.

3. the PCB for Solar lamp according to claim 1, is characterized in that, described breach fluting bottom is also provided with limiting plate, and the height of described limiting plate is not more than the bottom level of described plug-in type electronic devices and components.

4. the PCB for Solar lamp according to claim 1, is characterized in that, described breach fluting both sides are also provided with half opening groove, and described pad is arranged in described half opening groove, and described pad height is not more than described PCB height.

5. the PCB for Solar lamp according to any one of Claims 1 to 4, is characterized in that, the paster LED components and parts light outlet place in described PCB is horn shape.

6. a Solar lamp, comprise the brilliant plate of solar energy, control luminous circuit board and storage battery, it is characterized in that, described control luminous circuit board adopts the PCB for Solar lamp as described in any one of Claims 1 to 5.

7. Solar lamp according to claim 6, is characterized in that, also comprises:

Automatic loading board slot, both sides are respectively equipped with the brilliant plate holding tank of solar energy and PCB holding tank, are provided with projection bottom the brilliant plate holding tank of described solar energy, are provided with passage between the brilliant plate holding tank of described solar energy and PCB holding tank;

The brilliant plate of described solar energy, be placed in the brilliant plate holding tank of solar energy of described automatic loading board slot, the brilliant plate front of described solar energy is placed in outside described automatic loading board slot, the brilliant back of described solar energy is placed in inside described automatic loading board slot, and the brilliant back of described solar energy is provided with positive pole/negative pole access point at the passage place of described automatic loading board slot;

Described PCB, be placed in the PCB holding tank of described automatic loading board slot, described PCB front is placed in outside described automatic loading board slot, the described PCB back side is placed in inside described automatic loading board slot, the described PCB back side connects and arranges L-type positive pole/negative polarity sheet on the plant-grid connection point at the passage place of described automatic loading board slot, and the positive pole/negative pole access point of plate brilliant in described solar energy is connected respectively.