CN211696884U - LED detection device in membrane switch production process - Google Patents
LED detection device in membrane switch production process Download PDFInfo
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- CN211696884U CN211696884U CN202020046612.5U CN202020046612U CN211696884U CN 211696884 U CN211696884 U CN 211696884U CN 202020046612 U CN202020046612 U CN 202020046612U CN 211696884 U CN211696884 U CN 211696884U
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Abstract
The utility model relates to an electron device detection area, concretely relates to LED detection device in membrane switch production process. The LED detection device in the production process of the membrane switch is provided, which comprises: the test bottom plate is fixed on the test bottom plate; the pin header connecting plate is slidably arranged on the fixed support; compress tightly the subassembly, its one end and fixed bolster are connected, and the other end is connected with the row needle connecting plate to and power supply module, including power and power connector, power connector and the detachable fixed connection of row needle connecting plate, power connector one end and power electric connection, the other end is located the golden finger of the product that awaits measuring directly over, and can compress tightly under the effect of subassembly with the golden finger butt of the product that awaits measuring, for the product power supply that awaits measuring. Can in time discover bad product and reprocess in the production process through this detection device, be favorable to improving the product percent of pass, and have the advantage that detects convenient, efficient.
Description
Technical Field
The utility model relates to an electron device detection area, concretely relates to LED detection device in membrane switch production process.
Background
The membrane switch product is widely applied to various fields of household appliances, intelligent toys, game machines, electronic communication, medical equipment, industrial control equipment, automobile industry and the like. The production process of the membrane switch with the LED lamp is relatively complex, and the cost is high. In the production process, a surface-mounted LED lamp is required to be mounted on a printed circuit, conductive silver paste is firstly dotted at two extreme positions of the circuit-mounted LED, and then the two poles of the LED with the corresponding specification and color and the corresponding silver paste are arranged in alignment, so that the conductive silver paste is ensured to be fully contacted with the two extreme positions of the LED. The most easily occurring problems are three: firstly, the connecting point is connected in a virtual mode, secondly, the silver paste point is communicated with a short circuit, and thirdly, the pole is reversely installed during installation. All three of these problems result in the LED lamp not being lit. If the glue packaging cannot be found in the process, after the next glue packaging is completed, the whole product is found to be unqualified during finished product detection and can only be discarded. In the prior art, a test pencil is used for single test in the process of installing the LED lamp, the defect occurs and then the repair is carried out, but the working process is slow, the production period is prolonged, and the production efficiency is reduced. The utility model provides a these problems in the production process, shortened production cycle and improved production efficiency.
SUMMERY OF THE UTILITY MODEL
For the solution take the not enough of LED's membrane switch existence in current production technology, the utility model provides a LED detection device of membrane switch in-process can in time discover bad product in the production process and reprocess, is favorable to improving the product percent of pass, and has the advantage that detects convenient, efficient.
In order to achieve the above object, the utility model adopts the following technical scheme: the LED detection device in the production process of the membrane switch is provided, which comprises:
the test bottom plate is used for bearing a product to be tested;
the fixed bracket is fixed on the test bottom plate;
the pin header connecting plate is slidably mounted on the fixed support;
one end of the compressing assembly is connected with the fixed support, and the other end of the compressing assembly is connected with the pin header connecting plate and used for driving the pin header connecting plate to move on the fixed support; and
the power supply module comprises a power supply and a power supply connecting piece, wherein the power supply connecting piece is detachably and fixedly connected with the pin header connecting plate, one end of the power supply connecting piece is electrically connected with the power supply, the other end of the power supply connecting piece is positioned right above the golden finger of the product to be detected, the power supply connecting piece can be used for pressing the assembly to abut against the golden finger of the product to be detected under the action of the product to be detected, and the product to be detected supplies power.
Further, the power connector is including arranging the faller and connecting the winding displacement, arrange the faller with the detachable fixed connection of row needle connecting plate, it runs through to be provided with on the faller arrange the many row needles of faller, arrange the needle including row needle test end and row needle link, it includes female head of winding displacement and winding displacement wire to connect the winding displacement, female head of winding displacement with row needle link is pegged graft, the winding displacement wire with power electric connection, it is located to arrange the needle test end directly over the golden finger of the product that awaits measuring, and can compress tightly under the effect of subassembly with the golden finger butt of the product that awaits measuring, do the product power supply that awaits measuring.
Furthermore, the number of the needles on the needle arrangement plate is 20-40.
Furthermore, the needle bars on the needle bar arrangement plate are copper-plated electric conductors.
Further, the pin header plate is connected with the pin header connecting plate through screws.
Furthermore, the fixed support comprises a connecting plate and two side plates arranged on the left side and the right side of the connecting plate, a fixed guide column plate is respectively fixed at the position of the connecting plate close to the two side plates, a support guide column is installed on the fixed guide column plate, and the other end of the support guide column is fixed on the test bottom plate;
furthermore, the pin header connecting plate comprises a plate body and two movable guide sleeves positioned on two sides of the plate body, the movable guide sleeves penetrate through the plate body and are fixedly connected with the plate body, and the plate body is slidably mounted on the support guide columns through the movable guide sleeves.
Furthermore, the compressing assembly comprises a handle, a handle seat movable guide sleeve, a handle guide pillar, a conversion part and a pressing plate, the handle seat comprises a fixed bottom plate and a connecting piece, the fixed bottom plate is connected with the connecting plate through a bolt, one end of the connecting piece is hinged with the handle, the other end of the connecting piece is fixedly connected with the handle seat movable guide sleeve, the handle seat movable guide sleeve is sleeved on the handle guide pillar in a sliding mode, the handle is hinged with one end of the conversion part, the other end of the conversion part is hinged with one end of the handle guide pillar, the other end of the handle guide pillar is fixedly connected with the pressing plate, and the pressing plate is fixedly connected with a plate body of the pin header connecting plate.
Further, the power supply is an adjustable power supply.
Furthermore, the adjustable voltage range of the adjustable power supply is 3-5V, and the adjustable current range is 20-50 mA.
Implement the utility model discloses the beneficial effect who has does: in the production process of the thin film circuit, after the installation and the circuit connection of the LED on the whole thin film printed circuit board are completed, before the LED is packaged by dispensing, the thin film product to be tested is placed on the bottom plate of the test board for whole detection. During detection, the golden finger of the thin film circuit to be detected is placed under the power supply connecting piece on the testing bottom plate, the pressing assembly drives the pin header connecting plate to move, so that the power supply connecting piece is in pressing contact with the golden finger, the thin film circuit to be detected is powered through the power supply connecting piece, and the LED on the thin film circuit to be detected can be detected. Adopt the utility model discloses a detection device can test LED on the whole thin film circuit, and the LED lamp that the discovery can not be lighted can in time be repaired, need not wait to find when the finished product bad and lead to whole product to scrap. The product detected by the detection device can reach the qualification rate of more than 99 percent when the finished product is checked, so that the qualification rate of the product is improved, the bad loss is reduced, and the production cost is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a schematic front side view of the present invention;
fig. 2 is a back side view of the present invention;
fig. 3 is a front view and a partial enlarged view of the detection status of the present invention.
In the figure: 1 fixed bolster, 101 connecting plates, 102 side plates, 103 fixed guide post plates, 104 support guide posts, 2 pin header connecting plates, 201 plate bodies, 202 movable guide sleeves, 203 screw holes, 3 pressing components, 301 handles, 302 handle seats, 3021 fixed bottom plates, 3022 connecting pieces, 303 handle seat movable guide sleeves, 304 handle guide posts, 305 conversion pieces, 306 pressing plates, 4 test bottom plates, 5 pin headers, 501 pin test ends, 502 pin header connecting ends, 6 connecting flat cables, 601 flat cable female heads, flat cable 602 wires, 7 power boxes and 8 golden fingers of products to be tested.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
the LED detection device in the production process of the membrane switch in the embodiment comprises a test bottom plate, a fixing support, a pin header connecting plate, a pressing assembly and a power supply assembly. The test bottom plate is used for bearing a product to be tested; the fixed bracket is fixed on the test bottom plate; the pin header connecting plate is slidably arranged on the fixed bracket; one end of the compressing assembly is connected with the fixed support, and the other end of the compressing assembly is connected with the pin header connecting plate and used for driving the pin header connecting plate to move on the fixed support; the power supply module comprises a power supply and a power supply connecting piece, the power supply connecting piece is detachably and fixedly connected with the pin header connecting plate, one end of the power supply connecting piece is electrically connected with the power supply, the other end of the power supply connecting piece is located right above the golden finger of the product to be detected, and the other end of the power supply connecting piece can be abutted against the golden finger of the product to be detected under the action of the pressing component to supply power for the product to be detected.
The power supply in this embodiment can adopt an adjustable power supply, and the output voltage and the output current of the power supply are both adjustable, so as to meet the requirements of different products to be tested.
In the production process of the thin film circuit, after the installation and the circuit connection of the LED on the whole thin film printed circuit board are completed, before the LED is packaged by dispensing, the thin film product to be tested is placed on the bottom plate of the test board for whole detection. During detection, the golden finger of the thin film circuit to be detected is placed under the power supply connecting piece on the testing bottom plate, the pressing assembly drives the pin header connecting plate to move, so that the power supply connecting piece is in pressing contact with the golden finger, the thin film circuit to be detected is powered through the power supply connecting piece, and the LED on the thin film circuit to be detected can be detected. By adopting the detection device of the embodiment, the LED on the whole thin film circuit can be tested, the LED lamp which cannot be lightened can be repaired in time, and the whole product can not be scrapped due to the fact that the defect is found when the finished product is finished. The product detected by the detection device can reach the qualification rate of more than 99 percent when the finished product is checked, so that the qualification rate of the product is improved, the bad loss is reduced, and the production cost is greatly reduced.
Example 2
The LED detection device in the membrane switch process as shown in the figures 1-3 comprises a test base plate 4, a fixing support 1, a pin header connecting plate 2, a pressing assembly 3 and a power supply assembly.
The testing bottom plate 4 is located at the lowest part of the detection device and used for bearing a product to be tested. The fixing bracket 1 comprises a connecting plate 101 and two side plates 102 arranged on the left side and the right side of the connecting plate 101, and the connecting plate 101 and the side plates 102 are connected through bolts. A fixed guide post plate 103 is fixed at a position of the connecting plate 101 close to the two side plates 102, a bracket guide post 104 is mounted on the fixed guide post plate 103, and the other end of the bracket guide post 104 is fixed on the testing bottom plate 4 through a bolt.
The pin header connecting plate 2 comprises a plate body 201 and two movable guide sleeves 202 positioned on two sides of the plate body 201, the movable guide sleeves 202 penetrate through the plate body 201 and are fixedly connected with the plate body 201, and the plate body 201 is slidably mounted on the support guide post 104 through the movable guide sleeves 202. The plate body 201 is provided with two screw holes 203.
The pressing assembly 3 comprises a handle 301, a handle base 302, a handle base movable guide sleeve 303, a handle guide post 304, a converting piece 305 and a pressing plate 306, wherein the handle base 302 comprises a fixed bottom plate 3021 and a connecting piece 3022, the fixed bottom plate 3021 is connected with the connecting plate 101 through bolts, one end of the connecting piece 3022 is hinged with the handle 301, the other end of the connecting piece 3022 is fixedly connected with the handle base movable guide sleeve 303, the handle base movable guide sleeve 303 is slidably sleeved on the handle guide post 304, the handle 301 is hinged with one end of the converting piece 305, the other end of the converting piece 305 is hinged with one end of the handle guide post 304, the other end of the handle guide post 304 is fixedly connected with the pressing plate 306, and the pressing plate 306 is fixedly connected with the plate body.
The power supply assembly comprises a power supply box 7 and a power supply connecting piece, the power supply connecting piece comprises a pin arrangement plate 5 and a connecting flat cable 6, and the pin arrangement plate 5 is connected with the pin arrangement connecting plate 2 through screws. The needle arrangement plate 5 is provided with a plurality of needle arrangements penetrating through a plate body, the needle arrangements are copper-plated electric conductors, the needle arrangement positioned above the needle arrangement plate is a needle arrangement connecting end 502, and the needle arrangement positioned below the needle arrangement plate is a needle arrangement testing end 501. The connecting flat cable 6 comprises a flat cable female head 601 and a flat cable conducting wire 602, the flat cable female head is an O-shaped female terminal and is provided with a plastic shell, and the flat cable conducting wire 602 is a conducting wire with a length of 1-2cm removed from a protective rubber. The female head 601 of winding displacement is pegged graft with row needle link 502, and winding displacement wire 602 and power pack 7 electric connection, row needle test end 501 is located the product golden finger 8 that awaits measuring directly over, and can compress tightly the effect of subassembly and abut with the product golden finger 8 that awaits measuring under, for the thin film circuit power supply that awaits measuring.
In the production process of the thin film circuit, after the installation and the circuit connection of the LED on the whole thin film printed circuit board are completed, before the LED is packaged by dispensing, the thin film product to be tested is placed on the bottom plate 4 of the test board for whole detection. During detection, a thin film circuit golden finger to be detected is placed under a pin arrangement testing end 501 of a pin arrangement plate 5 on a testing bottom plate 1, a handle 301 is pressed downwards to drive a handle guide pillar 304 to move downwards, a pressing plate 306 is driven to move downwards, a pin arrangement connecting plate 2 is fixedly connected with the pressing plate 306, the pin arrangement connecting plate 2 is made to move downwards along a support guide pillar 104, the pin arrangement connecting plate 2 is in screw connection with the pin arrangement plate 5, the pin arrangement plate 5 is pushed downwards, the pin arrangement testing end 501 of the pin arrangement plate 5 is tightly pressed with a product golden finger 8 to be detected, a power supply box 7 supplies power for the thin film circuit to be detected through a connecting flat cable 6, and the LED on the thin film circuit to be detected is subjected to power-on detection. By adopting the detection device of the embodiment, the LED on the whole thin film circuit can be tested, the LED lamp which cannot be lightened can be repaired in time, and the whole product can not be scrapped due to the fact that the defect is found when the finished product is finished. The product detected by the detection device can reach the qualification rate of more than 99 percent when the finished product is checked, so that the qualification rate of the product is improved, the bad loss is reduced, and the production cost is greatly reduced.
Preferably, the PIN arranging plate 5 in the embodiment has different PIN arranging pitch types (such as 2.54mm, 1.25mm, 1mm and the like) so as to correspond to different golden finger PIN pitches of the membrane switch product; meanwhile, 24-40 pin headers are embedded in the pin header plate 5 to deal with different numbers of thin film switch gold fingers. The pin header plate 5 is connected with the pin header connecting plate 2 through screws, so that replacement is convenient.
As a preferred embodiment, the power supply box 7 adopts an adjustable power supply, the adjustable range of the voltage of the adjustable power supply is 3-5V, and the adjustable range of the current is 20-50mA, so that the adjustable power supply is suitable for the test requirements of different thin film circuits.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. An LED detection device in the production process of a membrane switch is characterized by comprising:
the test bottom plate is used for bearing a product to be tested;
the fixed bracket is fixed on the test bottom plate;
the pin header connecting plate is slidably mounted on the fixed support;
one end of the compressing assembly is connected with the fixed support, and the other end of the compressing assembly is connected with the pin header connecting plate and used for driving the pin header connecting plate to move on the fixed support; and
the power supply module comprises a power supply and a power supply connecting piece, wherein the power supply connecting piece is detachably and fixedly connected with the pin header connecting plate, one end of the power supply connecting piece is electrically connected with the power supply, the other end of the power supply connecting piece is positioned right above the golden finger of the product to be detected, the power supply connecting piece can be used for pressing the assembly to abut against the golden finger of the product to be detected under the action of the product to be detected, and the product to be detected supplies power.
2. The LED detection device in the production process of the membrane switch according to claim 1, wherein: the power connector is including arranging the faller and connecting the winding displacement, arrange the faller with the detachable fixed connection of row needle connecting plate, it runs through to be provided with on the faller arrange many row needles of faller, arrange the needle including row needle test end and row needle link, it includes female head of winding displacement and winding displacement wire to connect the winding displacement, female head of winding displacement with row needle link is pegged graft, the winding displacement wire with power electric connection, it is located to arrange the needle test end directly over the golden finger of the product that awaits measuring, and can compress tightly under the effect of subassembly with the golden finger butt of the product that awaits measuring, do the product power supply that awaits measuring.
3. The LED detection device in the production process of the membrane switch according to claim 2, wherein: the number of the needles on the needle arrangement plate is 20-40.
4. The LED detection device in the production process of the membrane switch according to claim 2, wherein: the pin header on the pin header board is a copper-plated electric conductor.
5. The LED detection device in the production process of the membrane switch according to claim 2, wherein: the pin header plate is connected with the pin header connecting plate through screws.
6. The LED detection device in the production process of the membrane switch according to any one of claims 1 to 5, wherein: the fixed support comprises a connecting plate and two side plates arranged on the left side and the right side of the connecting plate, a fixed guide post plate is respectively fixed at the position, close to the two side plates, of the connecting plate, a support guide post is installed on the fixed guide post plate, and the other end of the support guide post is fixed on the test bottom plate.
7. The LED detection device in the production process of the membrane switch according to claim 6, wherein: the pin header connecting plate comprises a plate body and two movable guide sleeves located on two sides of the plate body, the movable guide sleeves penetrate through the plate body and are fixedly connected with the plate body, and the plate body is slidably mounted on the support guide columns through the movable guide sleeves.
8. The LED detection device in the production process of the membrane switch according to claim 7, wherein: the pressing assembly comprises a handle, a handle seat movable guide sleeve, a handle guide pillar, a conversion piece and a pressing plate, wherein the handle seat comprises a fixed bottom plate and a connecting piece, the fixed bottom plate is connected with the connecting plate through a bolt, one end of the connecting piece is hinged with the handle, the other end of the connecting piece is fixedly connected with the handle seat movable guide sleeve, the handle seat movable guide sleeve is sleeved on the handle guide pillar in a sliding mode, the handle is hinged with one end of the conversion piece, the other end of the conversion piece is hinged with one end of the handle guide pillar, the other end of the handle guide pillar is fixedly connected with the pressing plate, and the pressing plate is fixedly connected with a plate body of the pin header connecting plate.
9. The LED detection device in the production process of the membrane switch according to any one of claims 1 to 5, wherein: the power supply is an adjustable power supply.
10. The LED detection device in the production process of the membrane switch according to claim 9, wherein: the adjustable voltage range of the adjustable power supply is 3-5V, and the adjustable current range is 20-50 mA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046612.5U CN211696884U (en) | 2020-01-10 | 2020-01-10 | LED detection device in membrane switch production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046612.5U CN211696884U (en) | 2020-01-10 | 2020-01-10 | LED detection device in membrane switch production process |
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| Publication Number | Publication Date |
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| CN211696884U true CN211696884U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020046612.5U Active CN211696884U (en) | 2020-01-10 | 2020-01-10 | LED detection device in membrane switch production process |
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| CN (1) | CN211696884U (en) |
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- 2020-01-10 CN CN202020046612.5U patent/CN211696884U/en active Active
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