Keyboard LED lamp brightness detection jig

Abstract

The utility model provides a keyboard LED lamp brightness detection jig, which comprises a bottom plate, a cover plate, positioning pins, a lamp controller, a positioning shade block and an illuminometer, and is characterized in that at least two groups of positioning pins are arranged around each group of keycaps to quickly position the positioning shade block, so that the same detection position at each time is ensured, and the detection error is reduced; the positioning shielding block is attached to the cover plate, so that the pressing distance of the keycap is a specific value, the detection accuracy is improved, and certainly, the upper end face of the cover plate can be flush with the top of the keycap, namely, the keycap cannot be pressed; the lower end face of the positioning shade block is tightly attached to the cover plate, and external light cannot enter the detection cavity, so that the detection cavity forms a darkroom, and the detection accuracy is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to keyboard performance detection technical field, especially a kind of keyboard LED lamp brightness detection fixture. BACKGROUND

[0002] On the existing computer keyboard, often for ornamental purposes or for the purpose of indication, LED lamp is arranged at the bottom of light-transmitting keycap, so that keycap can present various color light, in practical application, lumen is important index for evaluating the brightness of lamp and light source, in order to ensure that the brightness of keycap is controlled within the degree suitable for naked eye, generally, the brightness of keycap is detected by lux meter, when testing, the probe protection cover on lux meter is covered on the keycap to be detected, and the brightness is detected by detection probe, however, since keycap can be elastically pressed, the pressing degree of keycap is different for different operators, so the distance between keycap and LED lamp is also different, therefore, the measured lumen is also different, and even for the same operator, the position of detection probe placed on keycap is difficult to keep consistent each time, which leads to large error in brightness detection, in order to improve the accuracy of brightness detection, it is necessary to manufacture a kind of keyboard LED lamp brightness detection fixture to solve the above problems. SUMMARY

[0003] The utility model aims at providing a kind of keyboard LED lamp brightness detection fixture to solve the problems mentioned in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A kind of keyboard LED lamp brightness detection fixture, including bottom plate, cover plate, locating needle, lamp controller, locating shade block and lux meter, the bottom plate is provided with conductive film placement groove above, the cover plate is hinged to the bottom plate at one end, the cover plate is above the conductive film placement groove, the cover plate is provided with multiple sets of keycap clearance hole, locating needle is fixed above the cover plate and corresponds to the outer periphery of keycap clearance hole, the outer periphery of a group of keycap clearance hole is provided with at least two groups of locating needles, lamp controller is fixed on the bottom plate and corresponds to the outer side of conductive film placement groove, for connecting power supply and keyboard conductive film, lamp controller is equipped with multiple sets of control switch, for electric connection with keyboard conductive film, the outer periphery of locating shade block is provided with vertical needle slot, locating needle is inserted into vertical needle slot, the bottom surface of locating shade block is attached to the upper end surface of cover plate, the lower portion of locating shade block is provided with detection cavity, the upper portion of locating shade block is provided with mounting hole communicated with detection cavity, lux meter includes host computer and detection probe, detection probe is fixed in mounting hole, the upper end of detection probe is connected with host computer through data line.

[0006] The utility model further describes: a plurality of positioning columns are arranged on the bottom plate, the positioning columns correspond to the conductive film placing groove, a plurality of positioning avoiding holes are arranged on the cover plate, and the positioning columns correspond to the positioning avoiding holes.

[0007] The utility model further describes: one end of the cover plate is hinged to the bottom plate through a hinge.

[0008] The utility model further describes: a plurality of magnet blocks are arranged on the bottom plate, the magnet blocks correspond to the other end of the cover plate below, and the cover plate is made of a magnetic material.

[0009] The utility model further describes: a plurality of silica gel key avoiding holes are further arranged on the cover plate.

[0010] The utility model further describes: a plurality of auxiliary positioning lines are further arranged on the upper end face of the cover plate and are used for indicating the placing position of the positioning shade block.

[0011] The utility model further describes: a handheld part is arranged on one side of the cover plate, and one end of the handheld part protrudes outside the bottom plate.

[0012] The utility model further describes: the outer contour of the positioning shade block is a quadrangular prism, vertical needle grooves are arranged on the four corners and the four groups of side faces of the positioning shade block.

[0013] The utility model further describes: a circuit board placing groove is further arranged on the bottom plate, one end of the circuit board placing groove is communicated with the conductive film placing groove, and the other end corresponds to the lamp controller.

[0014] The utility model discloses a beneficial effect is: install silica gel key and LED lamp on the keyboard conductive film, assemble plastic key cap on silica gel key, not all key cap below installs LED lamp in the keyboard, only the key cap that corresponds to LED lamp needs to be assembled when testing, first, place conductive film in conductive film placing groove, then overturn cover plate, cover plate covers conductive film, key cap corresponds to key cap avoidance hole, then, the flexible circuit board connector on conductive film is inserted with the interface on lamp controller, lamp controller is connected with power supply, and power supply is powered for lamp controller, and the control switch on lamp controller can control a group of LED lamp to light up alone, and the detection probe on lux meter is fixed on the mounting hole of positioning shade block, and the bottom surface of positioning shade block is pasted with cover plate, and positioning needle corresponds to vertical needle slot, at this moment, detection cavity corresponds to the top of key cap and forms darkroom, and the brightness of key cap is detected to start host computer. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 It is Figure 1 The partial close -up drawing of A position in

[0017] Figure 3 It is the structure diagram of bottom plate in the utility model;

[0018] Figure 4 It is the structure diagram of cover plate in the utility model;

[0019] Figure 5 It is the bottom structure diagram of positioning shade block in the utility model;

[0020] Mark explanation:

[0021] 1, bottom plate;11, conductive film placing groove;12, positioning column;13, magnet block;14, circuit board placing groove;2, cover plate;21, key cap avoidance hole;22, positioning avoidance hole;23, silica gel key avoidance hole;

[0022] 24, auxiliary positioning line;25, hand -held portion;3, positioning needle;4, lamp controller;41, control switch;

[0023] 5, positioning mask block; 51, vertical needle slot; 52, detection cavity; 53, mounting hole; 6, light meter;

[0024] 61, host computer; 62, detection probe; 7, hinge. DETAILED DESCRIPTION

[0025] The utility model is further explained in connection with the drawings as follows:

[0026] As Figures 1 to 5 shown, a keyboard LED lamp brightness detection jig, including bottom plate 1, cover plate 2, positioning needle 3, lamp controller 4, positioning mask block 5 and light meter 6, the upper portion of bottom plate 1 is provided with conductive film placing groove 11, one end of cover plate 2 is hinged to bottom plate 1, cover plate 2 is above the conductive film placing groove 11, cover plate 2 is provided with multiple sets of keycap avoidance hole 21, positioning needle 3 is fixed above cover plate 2 and corresponds to the outer periphery of keycap avoidance hole 21, the outer periphery of a set of keycap avoidance hole 21 is provided with at least two sets of positioning needle 3, lamp controller 4 is fixed on bottom plate 1 and corresponds to the outer side of conductive film placing groove 11, is used to connect power supply and keyboard conductive film, lamp controller 4 is equipped with multiple sets of control switch 41, is used to be connected with keyboard conductive film, the outer periphery of positioning mask block 5 is equipped with vertical needle slot 51, positioning needle 3 is inserted in vertical needle slot 51, the bottom surface of positioning mask block 5 is attached to the upper end surface of cover plate 2, the lower of positioning mask block 5 is equipped with detection cavity 52, the upper of positioning mask block 5 is equipped with the mounting hole 53 that communicates with detection cavity 52, light meter 6 includes host computer 61 and detection probe 62, detection probe 62 is fixed in mounting hole 53, the upper end of detection probe 62 is connected with host computer 61 through data line.

[0027] The silicone key and LED lamp are installed on the conductive film of the keyboard, the plastic key cap is assembled on the silicone key, not all the LED lamps are installed under the key cap in the keyboard, only the key cap corresponding to the LED lamp needs to be assembled during testing, the conductive film is placed in the conductive film placing groove 11, then the cover plate 2 is turned over and covered on the conductive film, the key cap is corresponding to the key cap avoiding hole 21, then the flexible circuit board connector on the conductive film is plugged with the interface on the lamp controller 4, the lamp controller 4 is connected with the power supply, the power supply supplies power to the lamp controller 4, the control switch 41 on the lamp controller 4 can control a certain group of LED lamps to light up, the detection probe 62 on the illuminometer 6 is fixed on the mounting hole 53 of the positioning shade block 5, the bottom surface of the positioning shade block 5 is attached with the cover plate 2, the positioning needle 3 is corresponding to the vertical needle groove 51, at this time, the detection cavity 52 is corresponding to the top of the key cap and forms a darkroom, and the host 61 is started to detect the brightness of the key cap. The advantage of the design is that: by setting at least two groups of positioning needles 3 around each group of key caps, the positioning shade block 5 is quickly positioned, thereby ensuring that the detection position is the same each time, reducing the detection error; by attaching the positioning shade block 5 with the cover plate 2, the distance of the key cap being pressed down is a specific value, thereby improving the accuracy of detection, of course, the upper end surface of the cover plate 2 can be flush with the top of the key cap, that is, the key cap will not be pressed; the bottom surface of the positioning shade block 5 is tightly attached with the cover plate 2, external light will not enter the detection cavity 52, the detection cavity 52 forms a darkroom, further improving the accuracy of detection.

[0028] A plurality of positioning columns 12 are arranged on the bottom plate 1, the positioning columns 12 are corresponding to the conductive film placing groove 11, a plurality of positioning avoiding holes 22 are arranged on the cover plate 2, and the positioning columns 12 are corresponding to the positioning avoiding holes 22. The conductive film has positioning holes, and the conductive film can be quickly placed in the conductive film placing groove 11 at an accurate position through the positioning columns 12.

[0029] One end of the cover plate 2 is hinged to the bottom plate 1 through a hinge 7. The hinge 7 is easy to obtain and cheap, which is beneficial to reduce the manufacturing cost of the jig.

[0030] A plurality of magnet blocks 13 are arranged on the bottom plate 1, and the plurality of magnet blocks 13 are corresponding to the other end of the cover plate 2. The cover plate 2 is made of a magnetic material. After the conductive film is placed and the cover plate 2 is covered, the magnet blocks 13 adsorb the cover plate 2, so that the conductive film can be pressed tightly at a certain pressure, and the conductive film is prevented from being deviated.

[0031] A plurality of silicone key avoiding holes 23 are arranged on the cover plate 2. A large number of silicone keys on the conductive film are not installed with key caps, and the silicone key avoiding holes 23 arranged on the cover plate 2 can avoid the silicone keys from abutting against the bottom surface of the cover plate 2 and causing the cover plate 2 to be unable to be covered in place.

[0032] The upper end surface of the cover plate 2 is further provided with a plurality of sets of auxiliary positioning lines 24 for indicating the placement position of the positioning mask block 5. The positioning mask block 5 placement position in a certain set of keycap detection is displayed through the auxiliary lines, which can facilitate the operator to find the corresponding positioning needle 3 and quickly place the positioning mask block 5.

[0033] One side of the cover plate 2 is provided with a hand-held part 25, one end of the hand-held part 25 protrudes outside the bottom plate 1. After the detection is completed, the cover plate 2 is opened by turning the hand-held part 25.

[0034] The outer contour of the positioning mask block 5 is a quadrangular prism, and vertical needle grooves 51 are arranged on the four corners and four sets of side surfaces of the positioning mask block 5. Since the shapes and layouts of the surrounding keys are different at different key positions, the setting positions of the surrounding positioning needles 3 of the keycap to be detected are difficult to keep consistent, and therefore vertical needle grooves 51 are arranged on the four corners and four sets of side surfaces of the positioning mask block 5 to adapt to the arrangement positions of various positioning needles 3.

[0035] The bottom plate 1 is further provided with a circuit board placement groove 14, one end of the circuit board placement groove 14 is communicated with the conductive film placement groove 11, and the other end corresponds to the lamp controller 4. By arranging the circuit board placement groove 14, the operator can be reminded and indicated to quickly place the conductive film in the correct direction.

[0036] The above is not any limitation on the technical scope of the utility model, any modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the technical solution range of the utility model.

Claims

1. A fixture for detecting the brightness of keyboard LED lights, characterized in that: The system includes a base plate, a cover plate, positioning pins, a lamp controller, a positioning shield block, and a lux meter. A conductive film placement groove is provided on the top of the base plate. One end of the cover plate is hinged to the base plate, and the cover plate corresponds to the area above the conductive film placement groove. Multiple sets of keycap clearance holes are provided on the cover plate. The positioning pins are fixed above the cover plate and correspond to the outer periphery of the keycap clearance holes. At least two sets of positioning pins are provided on the outer periphery of each set of keycap clearance holes. The lamp controller is fixed on the base plate and corresponds to the outer side of the conductive film placement groove, and is used to connect the power supply to the keyboard. The conductive film, the lamp controller is equipped with multiple control switches for electrical connection with the keyboard conductive film, the positioning cover block has vertical needle grooves on its outer periphery, the positioning needles are inserted into the vertical needle grooves, the bottom surface of the positioning cover block is in contact with the upper end surface of the cover plate, the positioning cover block has a detection cavity below it, the positioning cover block has a mounting hole communicating with the detection cavity above it, the illuminance meter includes a main unit and a detection probe, the detection probe is fixed in the mounting hole, and the upper end of the detection probe is connected to the main unit through a data cable.

2. The keyboard LED light brightness detection fixture according to claim 1, characterized in that: The base plate is provided with multiple sets of positioning posts, which correspond to the conductive film placement groove. The cover plate is provided with multiple sets of positioning avoidance holes, which correspond to the positioning posts.

3. The keyboard LED light brightness detection fixture according to claim 1, characterized in that: One end of the cover plate is hinged to the base plate via a hinge.

4. The keyboard LED light brightness detection fixture according to claim 3, characterized in that: The base plate is provided with multiple sets of magnet blocks, which correspond to the lower side of the other end of the cover plate. The cover plate is made of a magnetically friendly material.

5. A keyboard LED light brightness detection fixture according to claim 1, characterized in that: The cover plate is also provided with multiple sets of silicone button clearance holes.

6. The keyboard LED light brightness detection fixture according to claim 1, characterized in that: The upper surface of the cover plate is also provided with multiple sets of auxiliary positioning lines to indicate the placement position of the positioning mask block.

7. The keyboard LED light brightness detection fixture according to claim 1, characterized in that: The cover plate has a handle on one side, and one end of the handle protrudes out of the outer side of the base plate.

8. The keyboard LED light brightness detection fixture according to claim 1, characterized in that: The outer contour of the positioning mask block is a quadrangular prism, and the vertical pin grooves are provided on the four corners and four sets of side surfaces of the positioning mask block.

9. A keyboard LED light brightness detection fixture according to claim 1, characterized in that: The base plate is also provided with a circuit board placement slot, one end of which is connected to the conductive film placement slot, and the other end corresponds to the lamp controller.

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