CN212519601U - Small plate plug-in component with furnace-passing-preventing bad structure and furnace-passing structure of small plate plug-in component - Google Patents
Small plate plug-in component with furnace-passing-preventing bad structure and furnace-passing structure of small plate plug-in component Download PDFInfo
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- CN212519601U CN212519601U CN202021399454.8U CN202021399454U CN212519601U CN 212519601 U CN212519601 U CN 212519601U CN 202021399454 U CN202021399454 U CN 202021399454U CN 212519601 U CN212519601 U CN 212519601U
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- insert
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Abstract
The utility model belongs to the technical field of the SMT technology, concretely relates to platelet plug-in components and platelet plug-in components that have and prevent crossing bad structure of stove cross stove structure, the platelet plug-in components that wherein have and prevent crossing bad structure of stove include the platelet main part, one side of platelet main part is equipped with a plurality of grafting lugs, each keep away from on the grafting lug the one end of platelet main part is all to being close to the direction indent of platelet main part forms and prevents crossing the bad tin bath that leads of stove. The utility model discloses a one side of platelet main part is equipped with a plurality of grafting lugs, and makes each keep away from on the grafting lug the one end of platelet main part is all to being close to the interior formation of direction of platelet main part prevents crossing the stove and leads the molten tin bath badly, thereby makes the platelet main part is when plug-in components cross the stove, through prevent crossing the stove and lead the molten tin bath badly and pull soldering tin, and then improve the last tin rate when plug-in components cross the stove, make the pad plump, avoid producing the bad problem of stove, improve production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the SMT technology, especially, relate to a platelet plug-in components and platelet plug-in components cross stove structure with prevent crossing stove bad structure.
Background
SMT process, the most popular technique and process in the electronic assembly industry, is also called electronic circuit surface assembly technique, called surface mount or surface mount technique. The surface-mounted component without pins or short leads is mounted on the surface of a printed circuit board or other substrates and is welded and assembled by methods such as reflow soldering or dip soldering.
In the wave soldering process in the SMT process, the situation that solder flowing is influenced and empty soldering is caused due to too high component packaging is often caused after the components are passed through a furnace. In addition, because of the actual circuit structure demand, some PCB boards need to be passed through the stove after inserting little PCB board. At present, the small PCB on the market is provided with the convex block on the side part, in order to ensure the stability of inserting connection, the convex block needs to ensure a certain convex height, but after the convex height is ensured, the problem of poor furnace passing in the subsequent process due to the overhigh height of the convex block is very easy to occur, and the production efficiency is greatly influenced. Therefore, it is necessary to design a small plate insert having a structure preventing the bad of passing through the furnace and a structure of passing through the furnace.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a platelet plug-in components and platelet plug-in components cross stove structure with prevent crossing stove bad structure, the technical problem of the easy emergence stove is bad when aiming at solving among the prior art platelet plug-in components.
In order to achieve the above object, an embodiment of the present invention provides a small plate plug-in unit with a structure for preventing furnace defect, including a small plate main body, one side of the small plate main body is provided with a plurality of insertion bumps, each of which is kept away from on the insertion bumps the one end of the small plate main body is all towards being close to the direction of the small plate main body is inwards recessed to form a tin groove for preventing furnace defect.
Optionally, the bottom of the over-furnace-failure-prevention tin guide groove is provided with a solder connection part.
Optionally, the solder connection portion is disposed in an arc shape.
Optionally, the solder connection portion is provided in a planar manner.
Optionally, each of the plugging bumps is disposed at equal intervals.
Optionally, an abutting part is arranged between the adjacent plugging convex blocks.
The invention also provides a small plate insert furnace passing structure which comprises the small plate insert with the furnace passing failure preventing structure.
Optionally, the small board plug-in unit furnace passing structure further comprises a plug board, and plug holes corresponding to the plug bumps one to one are formed in the plug board.
Optionally, the patch board is provided with a constant current driving output circuit.
Optionally, a voltage stabilizing input circuit and a jog switching regulation and control circuit are arranged on the small plate plug-in with the over-furnace-failure-prevention structure, the voltage stabilizing input circuit is connected with an output end of the constant current driving output circuit, an input end of the jog switching regulation and control circuit is connected with the voltage stabilizing input circuit, an output end of the jog switching regulation and control circuit is connected with the LED lamp to be adjusted, and the jog switching regulation and control circuit is used for regulating and controlling the color temperature of the LED lamp to be adjusted.
The embodiment of the utility model provides a have the platelet plug-in components and platelet plug-in components of preventing crossing the bad structure of stove and cross above-mentioned one or more technical scheme in the stove structure and have one of following technological effect at least:
the utility model discloses a one side of platelet main part is equipped with a plurality of grafting lugs, and makes each keep away from on the grafting lug the one end of platelet main part is all to being close to the interior formation of direction of platelet main part prevents crossing the stove and leads the molten tin bath badly, thereby makes the platelet main part is when plug-in components cross the stove, through prevent crossing the stove and lead the molten tin bath badly and pull soldering tin, and then improve the last tin rate when plug-in components cross the stove, make the pad plump, avoid producing the bad problem of stove, improve production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic overall structural diagram of a small board insert with an oven-over-proof bad structure according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an overall structure of a small board insert with an oven-through-proof bad structure according to another embodiment of the present invention;
fig. 3 is a schematic perspective view of a small board insert furnace structure according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of the small board insert after passing through the furnace according to the embodiment of the present invention;
fig. 5 is a circuit block diagram of a dimming power supply with a jog switching color temperature regulation function according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a combined circuit of a voltage-stabilizing input circuit and a spot-moving switching control circuit in a dimming power supply with a spot-moving switching color temperature control function according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the constant current driving output circuit 100, the voltage stabilizing input circuit 200, the filter input circuit 210, the voltage stabilizing circuit 220, the inching switching regulation and control circuit 300, the color temperature control circuit 310, the control output circuit 320, the small plate main body 400, the plugging convex block 410, the over-furnace-failure-preventing tin guide groove 420, the soldering tin connecting part 421, the abutting part 430, the plugging plate 500 and the plugging hole 510.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 4, a small board insert with a structure for preventing furnace defect is provided, which includes a small board main body 400, one side of the small board main body 400 is provided with a plurality of insertion bumps 410, and one end of each insertion bump 410, which is far away from the small board main body 400, is recessed towards a direction close to the small board main body 400 to form a tin guiding groove 420 for preventing furnace defect.
The utility model discloses a one side of platelet main part is equipped with a plurality of grafting lugs 410, and makes each keep away from on the grafting lug 410 the one end of platelet main part 400 is all to being close to the interior formation of direction of platelet main part 400 prevents that the stove is bad leads molten tin bath 420, thereby makes platelet main part 400 is when the stove is crossed to plug-in components, through prevent crossing the stove and lead molten tin bath 420 and pull soldering tin, and then improve the last tin rate when plug-in components cross the stove, make the pad plump, avoid producing the bad problem of stove, improve production efficiency.
Specifically, as shown in fig. 3, when the small board plug-in unit is passed through the furnace, the small board plug-in unit having the structure for preventing the bad operation of the furnace is inserted into a plug board 500 matched with the small board plug-in unit, and then after the small board plug-in unit is passed through the furnace, as shown in fig. 4, the soldering tin is drawn by the tin guide groove 420 for preventing the bad operation of the furnace, so that the plug board 500 and the small board plug-in unit can better absorb the tin, the connection stability of the plug board 500 and the small board main body 400 is improved, and the bad operation of the furnace.
In another embodiment of the present invention, as shown in fig. 1-2, the solder connecting portion 421 is disposed at the bottom of the solder guiding groove 520 for preventing the over-furnace defect. When the small board plug-in unit with the bad furnace passing prevention structure is plugged into the plug board 500, the soldering tin connecting portion 421 is lower than the upper end face of the plug board 500, and when the small board plug-in unit passes through the furnace, soldering tin enters the soldering tin connecting portion 421, and can contact the soldering tin connecting portion 421 and the plug board 500 at the same time, so that the small board plug-in unit and the plug board are connected more tightly.
In another embodiment of the present invention, as shown in fig. 1, the solder connecting portion 421 is an arc-shaped configuration. Specifically, the solder connecting portion 421 of the arc-shaped groove facilitates and facilitates solder flowing into the solder connecting portion 421.
In another embodiment of the present invention, as shown in fig. 2, the solder connecting portion 421 is a flat surface.
In another embodiment of the present invention, the insertion protrusions 410 are disposed at equal intervals. The equal interval arrangement makes the connection structure more stable after passing through the furnace.
In another embodiment of the present invention, as shown in fig. 1-2, an abutting portion 430 is disposed between adjacent insertion projections 410. The abutting portion 430 is used for abutting when the small plate main body 400 is inserted into the insertion plate 500, so as to connect more stably.
In another embodiment of the present invention, as shown in fig. 3-4, there is also provided a small board insert passing furnace structure, including the small board insert having the above-mentioned structure for preventing bad passing through the furnace.
In another embodiment of the present invention, as shown in fig. 3, the small board insert furnace structure further includes a plugging plate 500, and the plugging plate 500 is provided with plugging holes 510 corresponding to the plugging bumps one by one.
In another embodiment of the present invention, the plug board 510 is provided with a constant current driving output circuit 100.
The small plate plug-in with the over-furnace-failure-prevention structure is provided with a voltage stabilization input circuit 200 and a jog switch regulation and control circuit 300, the voltage stabilization input circuit 200 is connected with the output end of the constant current drive output circuit 100, the input end of the jog switch regulation and control circuit 300 is connected with the voltage stabilization input circuit 200, the output end of the jog switch regulation and control circuit 300 is connected with an LED lamp to be adjusted, and the jog switch regulation and control circuit 300 is used for regulating and controlling the color temperature of the LED lamp to be adjusted.
Thus, by providing the regulated voltage input circuit 200 and the jog switch regulator circuit 300, and the voltage stabilizing input circuit 200 is connected to the output terminal of the constant current driving output circuit 100, and the input terminal of the inching switching regulation and control circuit 300 is connected with the voltage stabilization input circuit 200, and the output end of the inching switching regulation and control circuit 300 is connected with the LED lamp to be regulated, so that after the voltage output by the constant current driving output circuit 100 is stabilized by the stabilizing input circuit 200, power is supplied to the jog switch regulation circuit 300 to operate the jog switch regulation circuit 300, then, the color temperature of the LED lamp to be adjusted is adjusted and controlled by the inching switching adjusting and controlling circuit 300, so that the constant current driving power supply has the function of adjusting the color temperature, and further, the requirements of users on color temperature adjustment are met, the user experience is improved, and the color temperature adjustment method has a wide market prospect.
In another embodiment of the present invention, as shown in fig. 5-6, the jog switch control circuit 300 includes a color temperature control circuit 310, a jog switch S1 and a control output circuit 320. The color temperature control circuit 310 is connected with the voltage stabilization input circuit 200, the inching change-over switch S1 is connected with the color temperature control circuit 310 and the voltage stabilization input circuit 200, one end of the control output circuit 320 is connected with the color temperature control circuit 310, and the other end of the color temperature control circuit 310 is connected with an LED lamp to be adjusted. In this embodiment, a person skilled in the art presets different times when the color temperature control circuit 310 detects that the jog switch S1 is pressed according to actual requirements, so that the color temperature control circuit 310 controls the color temperature of the LED lamp to be adjusted through the control output circuit.
Specifically, when the jog switch S1 is pressed, the color temperature control circuit 310 receives an electric signal that the jog switch S1 is pressed, and the color temperature control circuit 310 implements the regulation and control of the color temperature of the LED lamp to be regulated according to the detected number of times that the jog switch S1 is pressed.
In another embodiment of the present invention, as shown in fig. 5-6, the color temperature control circuit 310 includes a color temperature control chip U1, the second pin of the color temperature control chip U1 is connected to the jog switch S1, and the color temperature control chip U1 is further connected to the voltage stabilizing input circuit 200 and the control output circuit 320, respectively. In this embodiment, the color temperature control chip U1 is configured to adjust the color temperature according to the number of times the jog switch S1 is pressed. The specific type of the color temperature control chip U1 is not specifically limited in this application, and is selected by one of ordinary skill in the art according to actual needs.
In another embodiment of the present invention, as shown in fig. 5-6, the control output circuit 320 includes an LED positive connection end V +, a second MOS transistor Q2, a warm light connection negative end WW-, a third MOS transistor Q3, and a cold light connection negative end CW-; the positive connection end V + of the LED is connected to the voltage-stabilizing input circuit 200, the gate of the second MOS transistor Q2 is connected to the fifth pin of the color temperature control chip U1, the drain of the second MOS transistor Q2 is connected to the warm light connection negative end WW-, the gate of the third MOS transistor Q3 is connected to the fourth pin of the color temperature control chip U1, and the drain of the third MOS transistor Q3 is connected to the cold light connection negative end CW-. Specifically, the LED positive electrode connecting end V + is connected with the positive electrode of the LED lamp to be adjusted, the warm light connecting negative electrode end WW-is connected with the warm light adjusting end of the LED lamp to be adjusted, and the cold light connecting negative electrode end CW-is connected with the cold light adjusting end of the LED lamp to be adjusted.
In another embodiment of the present invention, the second MOS transistor Q2 and the third MOS transistor Q3 are P-channel MOS transistors.
In another embodiment of the present invention, the second MOS transistor Q2 and the third MOS transistor Q3 are N-channel MOS transistors.
In the present embodiment, the constant current driving output circuit 100 is a conventional circuit, and it can be understood that the constant current driving output circuit 100 is a commercially available LED constant current driving dimming power supply in the prior art. In the application, the voltage stabilizing input circuit 200 and the electric switching regulation and control circuit 300 are additionally arranged at the output end of the LED constant-current driving dimming power supply popularized in the prior art, so that the common LED constant-current driving dimming power supply in the prior art has the function of inching switching and regulating and controlling the color temperature of an LED lamp. Since the constant current driving output circuit 100 is the prior art, and the constant current driving output circuit 100 is not the important point to be protected in this application, a person skilled in the art should understand and know the working principle of the constant current driving output circuit, and therefore details of the specific circuit structure of the constant current driving output circuit 100 are not repeated in this application.
In another embodiment of the present invention, as shown in fig. 5-6, the voltage stabilizing input circuit 200 includes a filter input circuit 210 and a voltage stabilizing circuit 220, the filter input circuit 210 is connected to the constant current driving output circuit 100, the voltage stabilizing circuit 220 is connected to the filter input circuit 210, the voltage stabilizing circuit 220 is connected to the color temperature control chip U1, the voltage stabilizing circuit 220 is used for converting the voltage output by the filter input circuit 210 into the operating voltage of the color temperature control chip U1 and supplying power to the color temperature control chip U1.
In another embodiment of the present invention, as shown in fig. 5-6, the filter input circuit 220 comprises a positive input terminal Vin +, a negative input terminal Vin-, and an electrolytic capacitor EC 1. The positive input end Vin + and the negative input end Vin-are both connected with the constant current driving output circuit 100, the positive electrode of the electrolytic capacitor EC1 is connected with the positive input end Vin +, and the negative electrode of the electrolytic capacitor EC1 is connected with the positive input end Vin-. The electrolytic capacitor EC1 is used to filter the voltage output by the constant current driving output circuit 100.
Specifically, the positive input end Vin + is further connected to the LED positive connection end V +, the negative input end Vin-is further connected to the jog switch S1, and the negative input end Vin-is further connected to the source of the second MOS transistor Q2 and the source of the third MOS transistor Q3.
In another embodiment of the present invention, as shown in fig. 5-6, the voltage stabilizing circuit 220 includes a first transistor Q1 and a zener diode ZD 1. The collector of the first triode Q1 is connected with the positive input terminal Vin +, the base of the first triode Q1 is connected with the cathode of the zener diode ZD1, the anode of the zener diode ZD1 is connected with the negative input terminal Vin-, and the emitter of the first triode Q1 is connected with the first pin of the color temperature control chip U1.
In another embodiment of the present invention, as shown in fig. 5-6, the first transistor Q1 is an NPN transistor.
It should be noted that, the present application focuses on protecting the hardware circuit structure, and the software control part is not the protection focus of the present application. In this application, a person skilled in the art presets different times when the color temperature control circuit 310 detects that the jog switch S1 is pressed according to actual requirements, so that the color temperature control circuit 310 controls the color temperature of the LED lamp to be adjusted through the control output circuit 320, that is, the person skilled in the art realizes the above functions through programming. For this part, the ordinary skill in the art should program the part according to the actual requirement, so the detailed description of the present application is omitted.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The small plate plug-in unit with the furnace-failure-prevention structure comprises a small plate main body and is characterized in that a plurality of plug-in lugs are arranged on one side of the small plate main body, and one end, far away from the small plate main body, of each plug-in lug is inwards concave in the direction close to the small plate main body to form a furnace-failure-prevention tin guide groove.
2. A platelet insert with over fire protection failure as in claim 1 wherein the bottom of the over fire protection failure tin guide is provided with a solder joint.
3. A platelet insert with burn through prevention feature as claimed in claim 2 wherein said solder joint is arcuate.
4. A platelet insert with fire resistant features as claimed in claim 2 wherein said solder connections are planar.
5. A platelet insert with oven flash protection according to any one of claims 1 to 4 wherein each of said engagement lugs are equally spaced.
6. A platelet insert with oven flash protection according to any one of claims 1 to 4 wherein an abutment is provided between adjacent plug lugs.
7. A platelet insert oven construction comprising a platelet insert having an oven failure prevention feature of any one of claims 1 to 6.
8. The small board insert passing furnace structure according to claim 7, further comprising an inserting plate, wherein the inserting plate is provided with inserting holes corresponding to the inserting projections one by one.
9. A platelet insert furnace structure as claimed in claim 8 wherein the insertion plate is provided with a constant current drive output circuit.
10. The small board plug-in unit furnace structure of claim 9, wherein the small board plug-in unit with the furnace-passing failure prevention structure is provided with a voltage-stabilizing input circuit and a jog switch control circuit, the voltage-stabilizing input circuit is connected with the output end of the constant current driving output circuit, the input end of the jog switch control circuit is connected with the voltage-stabilizing input circuit, the output end of the jog switch control circuit is connected with the LED lamp to be adjusted, and the jog switch control circuit is used for adjusting the color temperature of the LED lamp to be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399454.8U CN212519601U (en) | 2020-07-15 | 2020-07-15 | Small plate plug-in component with furnace-passing-preventing bad structure and furnace-passing structure of small plate plug-in component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021399454.8U CN212519601U (en) | 2020-07-15 | 2020-07-15 | Small plate plug-in component with furnace-passing-preventing bad structure and furnace-passing structure of small plate plug-in component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212519601U true CN212519601U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021399454.8U Active CN212519601U (en) | 2020-07-15 | 2020-07-15 | Small plate plug-in component with furnace-passing-preventing bad structure and furnace-passing structure of small plate plug-in component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212519601U (en) |
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2020
- 2020-07-15 CN CN202021399454.8U patent/CN212519601U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210427 Address after: 2 / F and 3 / F, building B, 336 Hengquan Road, Shiyong village, Hengli Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Beiqi Power Technology Co.,Ltd. Address before: 523000 Guangdong province Dongguan City Hengli Town Gold Silver Industrial Zone Chung Road Patentee before: DONGGUAN BECKY ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |