CN214337892U - Key scanning circuit device based on AD sampling - Google Patents
Key scanning circuit device based on AD sampling Download PDFInfo
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- CN214337892U CN214337892U CN202023163610.3U CN202023163610U CN214337892U CN 214337892 U CN214337892 U CN 214337892U CN 202023163610 U CN202023163610 U CN 202023163610U CN 214337892 U CN214337892 U CN 214337892U
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Abstract
The utility model discloses a belong to button scanning technical field, specifically be a button scanning circuit device based on AD sampling, including operation panel, control panel and AD converter, operation panel top fixed mounting control panel, the operation panel right side is equipped with the AD converter, the operation panel includes the base, base right side outer wall fixed connection surveys test panel, base top fixed mounting main control unit, main control unit right side top fixed mounting wiring groove one, a wiring groove inboard is equipped with wiring groove two, wiring groove one and wiring groove two extend to base right side tip, the beneficial effects of the utility model are that: the AD converter is electrically connected with the first I/O interface and the second I/O interface, and bidirectional information reading and writing are carried out through the first I/O interface and the second I/O interface, so that the key scanning performance of the electronic equipment to be detected is accurately detected.
Description
Technical Field
The utility model relates to a key scanning technical field, concretely relates to key scanning circuit device based on AD sampling.
Background
At present, the quantity and the types of small household appliances are more and more, along with the continuous improvement of the technological level, the dependence of people on electronic products is higher and higher, and simultaneously, higher use requirements are put forward on the household appliances.
The prior art has the following defects: the existing key scanning device is generally used in operation application of electronic products, and with the development of science and technology, more and more electronic devices have been upgraded from previous key operation to touch screen operation, and higher requirements are put forward on response speed sensitivity of the operation.
Therefore, it is necessary to invent a key scanning circuit device based on AD sampling.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a button scanning circuit device based on AD sampling is detecting the electronic product that will wait to detect through setting up splint and is fixing the surface at the testboard to will wait to detect the electronic equipment electric connection who waits to detect through wiring groove one and wiring groove two to main control unit, and carry out the information interaction through main control unit electric connection AD converter, detect the problem that shows through the display screen through the AD converter to the performance in order to solve.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a button scanning circuit device based on AD sampling, includes operation panel, control panel and AD converter, operation panel top fixed mounting control panel, the operation panel right side is equipped with the AD converter, the operation panel includes the base, base right side outer wall fixed connection surveys test panel, base top fixed mounting main control unit, main control unit right side top fixed mounting wiring groove one, a wiring groove inboard is equipped with wiring groove two, wiring groove one and wiring groove two extend to base right side tip, main control unit right side tip fixed mounting IO interface one, IO interface inboard is equipped with IO interface two, survey test panel top movable mounting AD converter.
Preferably, the first sliding grooves are formed in the top of the test board, the first sliding grooves are symmetrically provided with two groups, the second sliding grooves are formed between the two groups of the first sliding grooves, a frame is arranged on the top of the end portion of the test board, and a clamping plate is movably mounted on the top of the test board.
Preferably, splint include the fixed plate, the fixed plate top is equipped with the baffle all around, fixed plate bottom sliding connection is at two inner walls of spout, fixed plate right side outer wall central point puts the welding reference column, the reference column extends to the right side frame outside, reference column right-hand member fixed connection baffle, baffle and frame right-hand member outer wall swing joint.
Preferably, the outer wall of the positioning column is sleeved with a return spring, the return spring is located on the left side of the frame, a pull rod is fixedly installed on the outer wall of the right side of the fixing plate, and the pull rod extends to the right side of the frame.
Preferably, the outer wall of the left end of the AD converter is fixedly connected with an information interaction joint I and an information interaction joint II, and the information interaction joint I and the information interaction joint II are symmetrical left and right.
Preferably, the top of the operating platform is provided with a top cover, the top cover is installed on the top of the base through bolts, the top of the top cover is fixedly provided with a control panel, the control panel comprises a display, the top of the display is fixedly installed on the top of the top cover, the bottom of the display is provided with a key operating platform, and the key operating platform is fixedly installed on the top of the top cover.
The utility model has the advantages that:
1. the AD converter is electrically connected with the I/O interface I and the I/O interface II, and bidirectional information reading and writing are carried out through the I/O interface I and the I/O interface II, so that the performance of key scanning of the electronic equipment to be detected is accurately detected, the electronic equipment is detected by the related functions and performances of operation through the related buttons in the key operation console, and the performances and working parameters of electronic products are detected by the display in real time
The working efficiency and the accuracy of detection are improved;
2. through setting up splint, the equipment that will wait to detect passes through reset spring and extrudees splint and operation panel outer wall for wait to detect electronic equipment be with main control unit between wiring groove one with wiring groove two be connected inseparabler, improve the stability of connecting, improve the accuracy of connecting, the convenience is fixed waiting the electronic equipment who detects.
Drawings
Fig. 1 is a top view of the operation table provided by the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention;
fig. 3 is a top view of the test board provided by the present invention;
fig. 4 is a schematic view of a structure of the clamping plate provided by the present invention;
fig. 5 is a top view of the control panel provided by the present invention;
fig. 6 is a schematic view of the work flow provided by the present invention.
In the figure: the device comprises an operating table 100, a base 110, a test board 120, a first sliding groove 121, a second sliding groove 122, a frame 123, a top cover 130, a clamping plate 140, a fixing plate 141, a positioning column 142, a return spring 143, a baffle 144, a pull rod 145, a main controller 150, a first wiring groove 151, a second wiring groove 152, a first I/O interface 153, a second I/O interface 154, a control panel 200, a display 210, a key operating table 220, an AD converter 300, a first information interaction connector 310 and a second information interaction connector 320.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-5, the present invention provides a key scanning circuit device based on AD sampling, which includes an operation console 100, a control panel 200 and an AD converter 300, specifically, the control panel 200 is fixedly installed on the top of the operation table 100, the AD converter 300 is arranged on the right side of the operation table 100, the operation table 100 comprises a base 110, the outer wall of the right side of the base 110 is fixedly connected with a test board 120, a main controller 150 is fixedly arranged on the top of the base 110, a first wiring slot 151 is fixedly arranged on the top of the right side of the main controller 150, a second wiring groove 152 is arranged inside the first wiring groove 151, the first wiring groove 151 and the second wiring groove 152 extend to the right end of the base 110, a first I/O interface 153 is fixedly installed at the end of the right side of the main controller 150, a second I/O interface 154 is arranged inside the first I/O interface 153, and an AD converter 300 is movably installed at the top of the test board 120;
the console 100 has the function of installing the main controller 150 and the control panel 200, the control panel 200 has the function of installing the display 210 and the key console 220, the AD converter 300 is set to be TLC7135, the AD converter 300 comprises an AD converter chip ADC0809, the AD converter 300 has the function of converting information of the electronic device to be detected and converting an electric signal into an analog signal so as to detect the corresponding speed of the electronic device to be detected when the electronic device to be detected is operated through the key console 220, the main controller 150 internally comprises a circuit board and a processor, the circuit board has the function of communicating circuits, the processor is set to be I9-9900K, the processor has the function of information processing and analysis, the first wiring slot 151 and the second wiring slot 152 have the function of electrically connecting the electronic device to be detected to the main controller 150, the first I/O interface 153 and the first I/O interface 153 have the function of communicatively connecting the AD converter 300 to the main controller 150 so as to perform information reading, writing, converting and information of the electronic device to be detected and performing information reading and converting and performing information reading and writing on the electronic device to be detected The role of performance analysis;
furthermore, the top of the test board 120 is provided with two sets of first sliding grooves 121, two sets of second sliding grooves 122 are symmetrically arranged between the two sets of first sliding grooves 121, the top of the end portion of the test board 120 is provided with a frame 123, a clamp plate 140 is movably mounted on the top of the test board 120, specifically, the first sliding grooves 121 and the second sliding grooves 122 perform a sliding limiting function on the fixing plate 141, the test board 120 has a function of mounting the electronic device to be detected and the AD converter 300, the frame 123 has a function of fixing the clamp plate 140, and the clamp plate 140 has a function of fixing the electronic device to be detected;
further, the clamping plate 140 includes a fixing plate 141, a baffle (not labeled in the figure) is disposed around the top of the fixing plate 141, the bottom of the fixing plate 141 is slidably connected to the inner wall of the second sliding groove 122, a positioning column 142 is welded to the center of the right outer wall of the fixing plate 141, the positioning column 142 extends to the outside of the right side frame 123, the right end of the positioning column 142 is fixedly connected to a baffle 144, the baffle 144 is movably connected to the right outer wall of the frame 123, specifically, the baffle has a limiting effect on the outer wall of the electronic device to be detected, and the positioning column 142 has a function of sleeving the return spring 143 and limiting the return spring 143;
further, the outer wall of the positioning column 142 is sleeved with a return spring 143, the return spring 143 is located on the left side of the frame 123, a pull rod 145 is fixedly installed on the outer wall of the right side of the fixing plate 141, the pull rod 145 extends to the right side of the frame 123, specifically, the return spring 143 has an effect of providing pulling force to reset the fixing plate 141 so as to fix the electronic device to be detected, and the pull rod 145 has an effect of facilitating an operator to hold and pull the electronic device to be detected so as to place the electronic device to be detected on the left side of the fixing plate 141 for fixing and releasing;
further, the outer wall of the left end of the AD converter 300 is fixedly connected with a first information interaction connector 310 and a second information interaction connector 320, the first information interaction connector 310 and the second information interaction connector 320 are symmetrical left and right, and specifically, the first information interaction connector 310 and the second information interaction connector 320 electrically connect the AD converter 300 with the first I/O interface 153 and the second I/O interface 154 so as to exchange information;
further, the top of the operation panel 100 is provided with a top cover 130, the top cover 130 is installed at the top of the base 110 through bolts, the top of the top cover 130 is fixedly provided with a control panel 200, the control panel 200 comprises a display 210, the top of the display 210 is fixedly installed at the top of the top cover 130, the bottom of the display 210 is provided with a key operation panel 220, the key operation panel 220 is fixedly installed at the top of the top cover 130, specifically, the top cover 130 has the effect of installing the control panel 200, the display 210 has the effect of displaying the test result, and the key operation panel 220 has the effect of conveniently performing function simulation operation on the electronic device to be detected.
The utility model discloses a use as follows: when the utility model is used, a person skilled in the art electrically connects the electronic device to be detected to the main controller 150 through the first wiring groove 151 and the second wiring groove 152, then fixes the fixing plate 141 to the end of the electronic device to be detected through the adjusting pull rod 145, then inserts the AD converter 300 on the first I/O interface 153 and the second I/O interface 154 through the first information interaction joint 310 and the second information interaction joint 320, then performs analog function detection on the key scanning function of the electronic device to be detected through the operating key operating platform 220, detects the electric signal change of the electronic device to be detected in real time, reads related information through the AD converter 300, transmits the information to the main controller 150 after the AD converter 300 processes the information, finally displays related parameters through the display 210, and synchronously compares the related parameters with preset performance parameters, the corresponding contrast data is displayed by the display 210.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (6)
1. A key scanning circuit device based on AD sampling comprises an operation table (100), a control panel (200) and an AD converter (300), and is characterized in that: a control panel (200) is fixedly arranged at the top of the operating platform (100), an AD converter (300) is arranged at the right side of the operating platform (100), the operating platform (100) comprises a base (110), the outer wall of the right side of the base (110) is fixedly connected with a test board (120), a main controller (150) is fixedly arranged at the top of the base (110), a first wiring groove (151) is fixedly arranged at the top of the right side of the main controller (150), a second wiring groove (152) is arranged on the inner side of the first wiring groove (151), the first wiring groove (151) and the second wiring groove (152) extend to the right end part of the base (110), the first I/O interface (153) is fixedly arranged at the right end part of the main controller (150), and the inner side of the I/O interface I (153) is provided with an I/O interface II (154), and the top of the test board (120) is movably provided with an AD converter (300).
2. The AD sampling-based key scanning circuit device as claimed in claim 1, wherein: the top of the test board (120) is provided with a first sliding groove (121), the first sliding grooves (121) are symmetrically provided with two groups, a second sliding groove (122) is arranged between the two groups of the first sliding grooves (121), the top of the end part of the test board (120) is provided with a frame (123), and the top of the test board (120) is movably provided with a clamp plate (140).
3. The AD sampling-based key scanning circuit device as claimed in claim 2, wherein: splint (140) are including fixed plate (141), fixed plate (141) top is equipped with the baffle all around, fixed plate (141) bottom sliding connection is in second (122) inner wall of spout, fixed plate (141) right side outer wall central point puts welding reference column (142), reference column (142) extend to the outside of right side frame (123), reference column (142) right-hand member fixed connection baffle (144), baffle (144) and frame (123) right-hand member outer wall swing joint.
4. The AD sampling-based key scanning circuit device as claimed in claim 3, wherein: the outer wall of the positioning column (142) is sleeved with a return spring (143), the return spring (143) is located on the left side of the frame (123), a pull rod (145) is fixedly installed on the outer wall of the right side of the fixing plate (141), and the pull rod (145) extends to the right side of the frame (123).
5. The AD sampling-based key scanning circuit device as claimed in claim 1, wherein: the information interaction connector I (310) and the information interaction connector II (320) are fixedly connected to the outer wall of the left end of the AD converter (300), and the information interaction connector I (310) and the information interaction connector II (320) are bilaterally symmetrical.
6. The AD sampling-based key scanning circuit device as claimed in claim 1, wherein: the top of the operating platform (100) is provided with a top cover (130), the top cover (130) is installed on the top of the base (110) through bolts, the top of the top cover (130) is fixedly provided with a control panel (200), the control panel (200) comprises a display (210), the top of the display (210) is fixedly installed on the top of the top cover (130), the bottom of the display (210) is provided with a key operating platform (220), and the key operating platform (220) is fixedly installed on the top of the top cover (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163610.3U CN214337892U (en) | 2020-12-24 | 2020-12-24 | Key scanning circuit device based on AD sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023163610.3U CN214337892U (en) | 2020-12-24 | 2020-12-24 | Key scanning circuit device based on AD sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214337892U true CN214337892U (en) | 2021-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023163610.3U Active CN214337892U (en) | 2020-12-24 | 2020-12-24 | Key scanning circuit device based on AD sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214337892U (en) |
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2020
- 2020-12-24 CN CN202023163610.3U patent/CN214337892U/en active Active
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