CN109709616A - Bluetooth leather sheath keyboard suspend mode magnet test device and test method - Google Patents
Bluetooth leather sheath keyboard suspend mode magnet test device and test method Download PDFInfo
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- CN109709616A CN109709616A CN201811654011.6A CN201811654011A CN109709616A CN 109709616 A CN109709616 A CN 109709616A CN 201811654011 A CN201811654011 A CN 201811654011A CN 109709616 A CN109709616 A CN 109709616A
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- suspend mode
- bluetooth
- leather sheath
- mode magnet
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Abstract
The invention discloses a kind of bluetooth leather sheath keyboard suspend mode magnet test device and test methods, the storing region for placing bluetooth leather sheath keyboard by the way that positioning is arranged on substrate, and Hall sensor of arranging in the area, and the arrangement position of Hall sensor is corresponding with the standard rigging position of each suspend mode magnet.When semi-finished product to be measured are placed in the storing region, the magnetic induction intensity of Hall sensor detection each position, processing comparison is carried out to detection signal by test program preset in development board simultaneously, and exports result and determines whether the suspend mode magnet of each position assembles qualification.The test method is by demarcating the magnetic induction intensity upper lower limit value of each position suspend mode magnet and being written in test program, the bluetooth leather sheath keyboard semi-finished product to be measured for assembling suspend mode magnet are placed on to put, test can be completed in region, realizes whether detection suspend mode magnet polarities are reversed, whether assemble in place and whether magnetic induction intensity meets plate suspend mode requirement before shell ultrasonic wave assembles or lock screw.
Description
Technical field
The invention belongs to electronic product accessories manufacturing fields, and in particular to a kind of bluetooth leather sheath keyboard suspend mode magnet test dress
It sets, the invention further relates to a kind of test methods of bluetooth leather sheath keyboard suspend mode magnet.
Background technique
With the continuous development of electronic products, intelligent hand-held terminal is applied more and more extensive in people's lives.Common
Intelligent hand-held terminal usually has smart phone and tablet computer, and the place applied with intelligent terminals such as mobile phone, tablet computers
It manages chip and storage chip function is stronger and stronger, the thing that common computer can be handled, mobile phone and tablet computer are substantially all energy
The trend of processing, especially tablet computer or even substituted traditional computer.
The design display screen of tablet computer be all it is exposed outside, in carrying process be easy screen is damaged.To understand
Certainly this problem, people would generally increase a common protection leather sheath to tablet computer or with the protection leather sheaths pair of bluetooth keyboard
It is protected.Not only have keyboard entry function from the bluetooth leather sheath keyboard of charged pool, but also there are the accessories such as shaft or bracket；
Tablet computer and two-in-one be applied in combination of leather sheath keyboard are exactly a laptop, and this bluetooth leather sheath keyboard design receives
The favor of users.
Bluetooth leather sheath keyboard production technology is increasingly mature at this stage, but overall package yield is also less desirable.Especially
Suspend mode magnet assembling in bluetooth leather sheath keyboard is not in place or assembling reversely waits poor prognostic causes, and plate and leather sheath keyboard is caused to be closed
Afterwards, plate cannot be made because bluetooth leather sheath keyboard magnet polarities are reversed or assembling not in place and magnet magnetic induction intensity itself is inadequate
On Hull switch internal trigger overturning, plate cannot be introduced into suspend mode, and this dysfunction seriously affects plate electricity
Pond service life.
Also, although have when bluetooth leather sheath keyboard manufacturer's shipment inspection using the group survey in fact of IPAD plate and leather sheath keyboard
Examination, but the bad heavy industry tested out reprocesses a large amount of manpower of waste and material, especially the plastic casing leather sheath of ultrasonic wave combination
The dismantling of keyboard heavy industry is difficult and will cause plastic casing and scraps totally.
Summary of the invention
Goal of the invention: in order to overcome the drawbacks of the prior art, the present invention provides a kind of bluetooth leather sheath keyboard suspend mode magnet survey
Trial assembly is set, the test device be able to detect whether suspend mode magnet polarities reversed, whether assemble in place and magnetic induction intensity whether
Meet plate suspend mode requirement.
It is a further object of the present invention to provide a kind of bluetooth leather sheath keyboard suspend mode magnet tests using above-mentioned test device
Method.The test method can complete the survey to suspend mode magnet before bluetooth leather sheath keyboard shell ultrasonic wave assembles or before lock screw
Examination.
Technical solution: a kind of bluetooth leather sheath keyboard suspend mode magnet test device of the present invention, including substrate, exploitation
Plate, the LCD MODULE and several Hall sensors that connection is matched with development board, a surface of the substrate is provided with
For positioning the storing region for placing bluetooth leather sheath keyboard, the Hall sensor is set on substrate and is located at the storing region
It is interior, and Hall sensor is stopped in the arrangement position put in region and each of the bluetooth leather sheath keyboard for being placed on the storing region
The standard rigging position of dormancy magnet is consistent；Hall sensor will test signal and be transferred to the development board, and development board is according to default
Test program the detection signal is compared, and comparison result is transferred to the LCD MODULE and is shown.
Wherein, for relatively sharp display test result, which further includes each with bluetooth leather sheath keyboard
Several LED lights, the LED light access the corresponding interface of the development board to suspend mode magnet correspondingly.
Further, the periphery for putting region is provided with several positioning lock protecting blocks, and the positioning lock protecting block is set to
The surface of the substrate simultaneously defines the position in the storing region.Tablet device is accurately placed on this by positioning lock protecting block
It puts in region, to accurately be positioned to suspend mode magnet.
Specifically, there are three the positioning lock protecting blocks, respectively the first positioning lock protecting block, the second positioning lock protecting block and third
Positioning lock protecting block, the first positioning lock protecting block and the L-shaped structure of the second positioning lock protecting block and the storing area is limited respectively
The lower part two corners in domain, the elongated structure of the third positioning lock protecting block and define the upper edge in the storing region.
Further, there are two the leather sheath shaft empty avoidings for penetrating through the substrate for setting at the upper edge for putting region
Hole, described two leather sheath shaft emptiness avoiding holes correspond to the position setting of the leather sheath shaft of bluetooth leather sheath keyboard.To make bluetooth skin
Set keyboard can preferably be covered in the substrate surface put at region, so that the detection of Hall sensor is more acurrate.
Further, the substrate is transparent substrate, and the development board and the LCD MODULE are mounted on this thoroughly
On another surface of bright substrate, and the liquid crystal display panel of LCD MODULE is covered on the surface of substrate.
Further, the standard that each suspend mode magnet of position and the bluetooth leather sheath keyboard is offered on the substrate fills
With the one-to-one through hole in position, the Hall sensor one-to-one correspondence is interspersed in the through hole, Hall sensor
Terminals are located at another surface of the substrate.
Further, the two sides on another surface of the substrate are provided with bracket.
And a kind of bluetooth leather sheath keyboard suspend mode magnet test method using above-mentioned test device of the present invention, it uses
Technical solution include the following steps:
(1) taking the magnetic induction intensity upper limit value of each position and lower limit value suspend mode magnet sample respectively to assemble one can make to put down
Panel device enters the bluetooth leather sheath keyboard of dormant state, and two bluetooth leather sheath keyboards are respectively put into and are put in region, and respectively
The limit value and lower numerical limit of the suspend mode magnet for each position that record LCD MODULE is shown；
It (2) will be in the test program of above-mentioned numerical value write-in development board；
(3) the bluetooth leather sheath keyboard semi-finished product to be measured for assembling suspend mode magnet are put into and are put in region, observe LED indication
The state of lamp and read each position that LCD MODULE is shown suspend mode magnet numerical value；
(4) if semi-finished product to be measured are non-defective unit, each LED light is turned off the light and the numerical value of the suspend mode magnet of each position exists
In the range of the limit value and lower numerical limit of corresponding position；
If the suspend mode magnetic field of magnets intensity of semi-finished product position to be measured is on the weak side or assembling is not in place, the position is corresponding
LED light is bright, and the numerical value of the suspend mode magnet of the position is in the range of its corresponding limit value and lower numerical limit,
In, when the numerical value be negative value when, the suspend mode group of magnets of the position it is anti-loaded to.
The utility model has the advantages that the storing region that the test device places bluetooth leather sheath keyboard by the way that positioning is arranged on substrate, and
It arranges on substrate in the area Hall sensor, and the standard of Hall sensor arrangement position and each suspend mode magnet assembles position
Set correspondence.When bluetooth leather sheath keyboard to be measured positioning is placed in the storing region, Hall sensor detects the magnetic strength of each position
Intensity is answered, while processing comparison is carried out to the detection signal that Hall sensor transmits by test program preset in development board,
And it exports as a result, to test whether the suspend mode magnet of each position assembles qualification.
The test method is by demarcating the upper lower limit value of the magnetic induction intensity of each position suspend mode magnet and test program being written
In, the bluetooth leather sheath keyboard semi-finished product to be measured for assembling suspend mode magnet are placed on to put to can be completed in region and test output knot
Fruit, realizes before the assembling of bluetooth leather sheath keyboard shell ultrasonic wave or whether detection suspend mode magnet polarities are reversed before lock screw, are
No assembling is in place and whether magnetic induction intensity meets plate suspend mode requirement.
Detailed description of the invention
Fig. 1 is the schematic perspective view of test device in one embodiment of the present of invention；
Fig. 2 is the schematic perspective view of the other side of Fig. 1 test device；
Fig. 3 is the planar structure schematic diagram for putting region place surface of Fig. 1 test device；
Fig. 4 is the planar structure schematic diagram on surface where the development board of Fig. 1 test device；
Fig. 5 is the schematic perspective view of another angle of Fig. 2；
Fig. 6 is schematic block circuit diagram in embodiment；
Fig. 7 shows the TCH test channel that Hall sensor in embodiment uses and each channel upper lower limit value setting situation.
Specific embodiment
In the following, being described in further details in conjunction with attached drawing to the present invention.
Present embodiment discloses a kind of bluetooth leather sheath keyboard suspend mode magnet test device, which is applied to bluetooth
The suspend mode magnet of leather sheath keyboard is tested, especially can be applied to assemble the leather sheath keyboard to be measured half of suspend mode magnet at
The suspend mode magnet cartridge of product is tested with situation.
As shown in Figs. 1-5, which includes substrate 1, development board 2, LCD MODULE 3,4 and of Hall sensor
LED light 5.Wherein, which is transparent substrate, is made of transparent material.Development board 2 is Arduino Mega2560
Development board has 54 number word input and outputs, is suitble to need the design of a large amount of I/O interfaces, processor core is
ATmega2560, while there is 54 railway digital I/O ports (wherein 15 tunnels can be used as PWM output), 15 tunnel simulation inputs, 4
Road UART interface, a 16MHz crystal oscillator, a USB port, a power outlet, an ICSP header and one are multiple
Position button, is powered using 5V or 9V voltage adapter when normal work.LCD MODULE 3 is 2004 types of I2C communication interface
LCD display module, Hall sensor 4 are A1302 type Hall sensor.
Workpiece for measurement 100 (i.e. bluetooth leather sheath keyboard or its semi-finished product) is placed in order to position, the upper surface setting of the substrate 1
It is the first positioning lock protecting block 6 and the second positioning lock protecting block 7 and in strip of L-shaped structure respectively there are three positioning lock protecting block
The third positioning lock protecting block 8 of shape structure, these three positioning lock protecting blocks collectively define the storing region of workpiece for measurement on substrate 1
The position on surface.Specifically, as shown in figures 1 and 3, the first positioning lock protecting block 6 and the second positioning lock protecting block 7 are oppositely arranged, to
The lower part two corners for surveying workpiece 100 are fastened on respectively on the inside of the L-shaped structure of the two positioning lock protecting blocks, the top of workpiece for measurement 100
Along 8 lower section of third positioning lock protecting block is fastened on, to realize the fixation to workpiece for measurement 100.
1 surface of substrate put at region to enable workpiece for measurement 100 to be preferably covered in, improves the accurate of test
Degree.In this example, setting is there are two the leather sheath shaft emptiness avoiding hole 9 for penetrating through the substrate 1 at the upper edge for putting region, and described two
A leather sheath shaft emptiness avoiding hole 9 corresponds to the position setting of the leather sheath shaft in bluetooth leather sheath keyboard.To when workpiece for measurement 100
When being placed in the storing region, leather sheath shaft is embedded in leather sheath shaft emptiness avoiding hole 9, makes the contact surface of workpiece for measurement 100 Yu substrate 1
It is more smooth.
The setting of Hall sensor 4 is on substrate 1 and in the storing region of workpiece for measurement 100, and Hall sensor 4 exists
The standard of arrangement position and each suspend mode magnet for the bluetooth leather sheath keyboard for being placed on the storing region in the storing region is assembled
Position consistency, namely it is consistent with the standard rigging position of each suspend mode magnet of workpiece for measurement 100.
Together refering to Fig. 2, Fig. 4 and Fig. 5, in the present embodiment, the tool of workpiece for measurement 100 is there are four suspend mode magnet, and this four
Suspend mode magnet is respectively assembled at the different location of workpiece for measurement 100.Correspondingly, putting four positions of correspondence in region in substrate 1
A Hall sensor 4 is also respectively set for detecting the magnetic induction intensity of this four positions in the place of setting.Specifically, on substrate 1
Open up with one-to-one four through holes of the standard rigging position of four suspend mode magnet of workpiece for measurement 100, described four are suddenly
You are respectively interposed in this four through holes sensor 4, and the test side of Hall sensor 4 is located at the upper surface of substrate 1, pastes respectively
To detect accurate data, the terminals of Hall sensor 4 are located at the lower surface of substrate 1 for this nearly four positions.
Development board 2 and LCD MODULE 3 are all set in the lower surface of substrate 1, and the liquid crystal surface of LCD MODULE 3
Plate is covered on the lower surface of the transparent substrate 1, so that tester intuitively sees test result.Further, in order to make
Test result is more intuitive, and four LED lights are arranged in this example, corresponds respectively to the suspend mode magnet of four positions.Substrate 1
Top also have there are four through-hole, LED light is threaded through respectively in this four through-holes, and the terminals of LED light also are located at substrate 1
Lower surface in order to wiring.
For the ease of test jobs, the two sides of the lower surface of the substrate 1 are provided with the bracket 10 of triangle slab structure.It opens
Hair plate 2, LCD MODULE 3, Hall sensor 4, LED light 5 are arranged between two brackets 10, and liquid crystal display mode
Block 3, Hall sensor 4, LED light 5 are connected on development board 2 by connecting line.Bracket 10 will be propped up below substrate 1
Space is also beneficial to the wiring of each interelement and the storage of each connecting line.
The circuit connecting relation of specific each element referring to Figure 6 together, four signal wire (GND/ of LCD MODULE 3
VCC/SDA/SCL the I2C communication interface of development board 2) is connected to according to the mode of wiring.The anode of four LED lights is connected to out
The 5V power supply of plate 2 is sent out, the DIP resistance that cathode respectively concatenates one 330 ohm is sequentially connected to the four of the Digital interface of development board 2
A position (33,/34,/39,/42 4 positions that this example is mark).Hall sensor 4 has tri- pins of 5V/GND/OUT, wherein
The power pins (5V/GND) of four Hall sensors 4 connect the Power interface (5V/GND) of development board 2, Hall sensor 4
OUT pin be sequentially connected to development board 2 corresponding four positions of Analog IN interface (this example be mark A3/A4/A9/A12
Four positions).
When test, Hall sensor 4 will test signal and be transferred to development board 2, and development board 2 is according to preset test program pair
Detection signal is compared, and comparison result is transferred to the LCD MODULE 3 and is shown.
Specifically, the test method in the present embodiment using the test of above-mentioned test device is as follows:
Turn Type-B line connecting test computer and development board 2, edition suspend mode magnet test device of burning with a Type-A
Debugging routine.The magnetic induction intensity upper limit value suspend mode magnet sample lower limit value suspend mode magnet sample of four positions, each group are taken respectively
The bluetooth leather sheath keyboard that tablet device can be made to enter dormant state is filled, two bluetooth leather sheath keyboards are respectively put into storing
In region, and the limit value and lower numerical limit of the suspend mode magnet for each position that record LCD MODULE 3 is shown respectively.
As shown in fig. 7, by the test program of above-mentioned numerical value write-in development board, and it is burned onto the microcontroller list of development board 2
In member.
When not placing sample to be tested, every setting value of LCD MODULE is all 0, and LED light all light.By group
The bluetooth leather sheath keyboard semi-finished product to be measured for installing suspend mode magnet, which are put into, to be put in region, and each position Hall sensor is by externally-applied magnetic field
It is converted into voltage output, voltage signal is after the ADC module processing built in micro-control unit by I2C communications protocol in liquid crystal
Show and shows numerical value in module.The state of LED light is observed, and reads each position suspend mode magnet that LCD MODULE is shown
Corresponding numerical value.
If sample to be tested is non-defective unit, LED control foot exports high level, and LED light is gone out entirely, and the upper left side LCD is shown
PASS, and the numerical value of the suspend mode magnet of each position is in the range of the limit value of corresponding position and lower numerical limit.
If the magnetic field strength of the suspend mode magnet of certain position is on the weak side or assembling is not in place, the suspend mode magnet of the position is corresponding
The control foot of LED light exports low level, and LED light is bright, and the upper left side LCD shows Fail, and the numerical value is not in the position
In the range of corresponding limit value and lower numerical limit.Wherein, when the numerical value is negative value, the suspend mode group of magnets of the position is anti-loaded
To.
Claims (10)
1. a kind of bluetooth leather sheath keyboard suspend mode magnet test device, which is characterized in that including substrate (1), development board (2), with open
The LCD MODULE (3) and several Hall sensors (4) of plate (2) matching connection are sent out, a surface of the substrate (1) is set
It is equipped with for positioning the storing region for placing bluetooth leather sheath keyboard, the Hall sensor (4) is set on substrate (1) and is located at
In the storing region, and Hall sensor (4) is in the bluetooth skin put the arrangement position in region be placed on the storing region
The standard rigging position for covering each suspend mode magnet of keyboard is consistent；Hall sensor (4) will test signal and be transferred to the exploitation
Plate (2), development board (2) is compared the detection signal according to preset test program, and comparison result is transferred to institute
State LCD MODULE (3) display.
2. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 1, which is characterized in that further include and bluetooth
Several LED lights (5), the LED light (5) access the exploitation to each suspend mode magnet of leather sheath keyboard correspondingly
The corresponding interface of plate (2).
3. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 1, which is characterized in that the storing region
Periphery be provided with several positioning lock protecting blocks, the positioning lock protecting block is set to the surface of the substrate (1) and defines that this is set
Put the position in region.
4. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 3, which is characterized in that the positioning lock shield
There are three blocks, respectively the first positioning lock protecting block (6), the second positioning lock protecting block (7) and third positioning lock protecting block (8), and described
One positioning lock protecting block (6) and the L-shaped structure of the second positioning lock protecting block (7) and the lower part two for limiting the storing region respectively
Angle, the elongated structure of the third positioning lock protecting block (8) and defines the upper edge in the storing region.
5. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 4, which is characterized in that the storing region
Upper edge at setting there are two the leather sheath shaft emptiness avoiding hole (9) for penetrating through the substrate (1), described two leather sheath shaft emptiness avoiding holes
(9) corresponding to the position setting of the leather sheath shaft of bluetooth leather sheath keyboard.
6. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 1, which is characterized in that the substrate (1)
For transparent substrate, the development board (2) is mounted on another surface of the transparent substrate with the LCD MODULE (3)
On, and the liquid crystal display panel of LCD MODULE (3) is covered on the surface of substrate (1).
7. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 6, which is characterized in that the substrate (1)
On offer position and the bluetooth leather sheath keyboard each suspend mode magnet the one-to-one through hole of standard rigging position, institute
It states Hall sensor (4) one-to-one correspondence to be interspersed in the through hole, the terminals of Hall sensor (4) are located at the substrate
(1) another surface.
8. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 1, which is characterized in that the substrate (1)
The two sides on another surface be provided with bracket (10).
9. bluetooth leather sheath keyboard suspend mode magnet test device according to claim 1-8, which is characterized in that described
Development board (2) is Arduino Mega2560 development board.
10. a kind of test side using such as the described in any item bluetooth leather sheath keyboard suspend mode magnet test devices of claim 1-9
Method, which comprises the steps of:
(1) the magnetic induction intensity upper limit value and lower limit value suspend mode magnet sample for taking each position respectively assemble one and plate can be made to set
The standby bluetooth leather sheath keyboard for entering dormant state, two bluetooth leather sheath keyboards are respectively put into and are put in region, and are recorded respectively
The limit value and lower numerical limit of the suspend mode magnet for each position that LCD MODULE is shown；
It (2) will be in the test program of above-mentioned numerical value write-in development board；
(3) the bluetooth leather sheath keyboard semi-finished product to be measured for assembling suspend mode magnet are put into and are put in region, observe LED light
State and read each position that LCD MODULE is shown suspend mode magnet numerical value；
(4) if semi-finished product to be measured are non-defective unit, each LED light is turned off the light and the numerical value of the suspend mode magnet of each position is in correspondence
In the range of the limit value and lower numerical limit of position；
If the suspend mode magnetic field of magnets intensity of semi-finished product position to be measured is on the weak side or assembling is not in place, the corresponding LED in the position refers to
Show that lamp is bright, and the numerical value of the suspend mode magnet of the position is not in the range of its corresponding limit value and lower numerical limit, wherein when
The numerical value be negative value when, the suspend mode group of magnets of the position it is anti-loaded to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654011.6A CN109709616A (en) | 2018-12-28 | 2018-12-28 | Bluetooth leather sheath keyboard suspend mode magnet test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811654011.6A CN109709616A (en) | 2018-12-28 | 2018-12-28 | Bluetooth leather sheath keyboard suspend mode magnet test device and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109709616A true CN109709616A (en) | 2019-05-03 |
Family
ID=66260674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811654011.6A Pending CN109709616A (en) | 2018-12-28 | 2018-12-28 | Bluetooth leather sheath keyboard suspend mode magnet test device and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109709616A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729147A (en) * | 2019-10-23 | 2020-01-24 | 东莞市贝果电子科技有限公司 | Production method of magnetoelectric conversion type keyboard switch |
| CN111399070A (en) * | 2020-05-13 | 2020-07-10 | 苏州市运泰利自动化设备有限公司 | Electronic screen switch test equipment |
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| CN111399070A (en) * | 2020-05-13 | 2020-07-10 | 苏州市运泰利自动化设备有限公司 | Electronic screen switch test equipment |
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Application publication date: 20190503 |