CN112067267A - Method and system for detecting drawing force of key, storage medium and device - Google Patents
Method and system for detecting drawing force of key, storage medium and device Download PDFInfo
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Abstract
The invention provides a drawing force detection method for a key, which comprises the steps of receiving a detection starting instruction, generating a first instruction for executing and controlling a plurality of drawing mechanisms and sending the first instruction to a control unit, and controlling the drawing mechanisms to execute detection by the control unit according to the first instruction; after the drawing mechanism acts on the keys and performs drawing, the control unit controls the state acquisition unit to acquire the current state of the keyboard and perform feedback; and the control unit analyzes the feedback information according to the state acquisition unit to obtain a detection result. The invention also provides a system, a storage medium and a device for detecting the drawing force of the key. In the method, after a drawing mechanism acts on a key and performs drawing, the state of a current keyboard is obtained through a state obtaining unit, and a control unit analyzes the current keyboard according to feedback information to obtain a detection result; the result of the drawing detection is confirmed by manpower; in addition, the quality of the special keys is improved corresponding to the secondary detection of the special keys so as to improve the quality of the whole keyboard.
Description
Technical Field
The invention relates to the field of keyboard detection, in particular to a method for detecting the drawing force of a key.
Background
At present, keys are widely used as main input modes in products such as computer keyboards, mobile phones, and various industrial devices, and the like, wherein a keyboard is the most commonly used input device, and various symbols are input into the device through the keyboard, such as: a computer to issue instructions to various devices.
In the process of generating the keyboard, the quality of the keyboard needs to be detected before leaving a factory, and not only needs to knock each key, test the resilience of the key and the on-off of a contact, but also needs to test the drawing force of each key; the key falling phenomenon is often caused in the use process, so the drawing force detection is particularly important.
Generally, the pull-out mechanism applies a predetermined force to the key, and determines whether the key meets the standard according to whether the key can be separated from the keyboard under the predetermined force. However, when the key is disengaged due to a failure in detection, the key is generally confirmed manually, and the detection efficiency of the pull-out force detection is lowered.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a drawing force detection method for a key.
The invention obtains the current keyboard state through the state detection unit and obtains the detection result in time.
The invention provides a drawing force detection method for a key, which comprises the following steps:
receiving a detection starting instruction, generating a first instruction for executing and controlling a plurality of drawing mechanisms and sending the first instruction to a control unit, wherein the control unit controls the drawing mechanisms to execute detection according to the first instruction; the drawing mechanism acts on the key by utilizing a preset force threshold range;
after the drawing mechanism acts on the keys and performs drawing, the control unit controls the state acquisition unit to acquire the current state of the keyboard and perform feedback;
and the control unit analyzes the feedback information according to the state acquisition unit to obtain a detection result.
Preferably, in the control unit controlling the drawing mechanism to perform detection according to the first instruction, the method further includes:
the control unit controls at least one first drawing mechanism to detect a first keyboard area, one first drawing mechanism at least acts on two keys at the same time, and the first keyboard area comprises a plurality of keys with the same size; controlling at least one second drawing mechanism to execute detection of a second keyboard area, wherein the second keyboard area comprises a plurality of keys with different sizes; wherein a first predetermined force threshold range comprised by the first pulling mechanism is greater than a second predetermined force threshold range comprised by the second pulling mechanism.
Preferably, the second pulling mechanism comprises a pulling detection device for detecting the pulling of the special key, when the second pulling mechanism completes the pulling detection of the special key and the result is qualified, the second pulling mechanism sends information to the first pulling mechanism, and the first pulling mechanism utilizes the first preset force threshold range to perform the pulling detection again on the special key.
Preferably, in the controlling unit controlling the state obtaining unit to obtain the current state of the keyboard and perform feedback, the method further includes:
the control unit controls the image acquisition unit to acquire the image of the current keyboard and feed back the image.
Preferably, in the controlling unit controlling the state obtaining unit to obtain the current state of the keyboard and perform feedback, the method further includes:
the control unit controls the photoelectric sensor to acquire the current surface state of the keyboard and feed back the current surface state, and the photoelectric sensor is used for detecting whether foreign matters exist on the surface of the keyboard.
Preferably, in the analysis performed by the control unit according to the feedback information of the state acquisition unit, the method further includes:
the control unit compares the fed back image of the current keyboard with the image of the keyboard before detection; when the image of the current keyboard is the same as the image of the keyboard before detection, the drawing detection is qualified; otherwise, the drawing detection is unqualified.
The present invention also provides a computer-readable storage medium having stored thereon a computer program for execution by a processor of a method for pull force detection of a key.
The invention also provides a system for detecting the drawing force of the key, which comprises an instruction receiving module, an acquisition module, an analysis module and a drawing mechanism, wherein the instruction receiving module is used for receiving the instruction; wherein,
the receiving instruction module is configured to receive a detection starting instruction, generate a first instruction for executing and controlling the plurality of drawing mechanisms and send the first instruction to the control unit, and the control unit controls the drawing mechanisms to execute detection according to the first instruction;
the acquisition module is configured to control the state acquisition unit to acquire and feed back the current state of the keyboard after the drawing mechanism acts on the key and performs drawing;
the analysis module is configured to analyze the feedback information of the state acquisition unit by the control unit to obtain a detection result;
the drawing mechanism is configured to receive the instruction sent by the control unit and execute the instruction to act on the keys of the keyboard to be detected.
The invention also provides a drawing detection device for the key, which comprises the drawing force detection system for the key; the drawing mechanism further comprises a control unit, a state acquisition unit and a fixing assembly, wherein the control unit is electrically connected with the drawing mechanism and the state acquisition unit; wherein,
the fixing component comprises a keyboard fixing seat, and the keyboard fixing seat is used for fixing a keyboard to be detected;
the drawing mechanism is arranged on the fixing component and is positioned right above the keyboard to be detected;
the state obtaining unit is used for obtaining the current keyboard state after the drawing mechanism performs drawing and feeding the current keyboard state back to the control unit, and the control unit receives and analyzes the feedback information to obtain a detection result.
Preferably, the state acquisition unit includes a camera; wherein,
the camera receives the instruction of the control unit to take a picture so as to acquire the image information of the current keyboard to be detected;
the photographing angle of the camera and the plane where the keyboard to be detected is located form an acute angle.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a method for detecting the drawing force of a key, wherein after a drawing mechanism in the method acts on the key and performs drawing, the state of a current keyboard is obtained through a state obtaining unit, and a control unit analyzes the current keyboard according to feedback information to obtain a detection result; the result of the drawing detection is confirmed by manpower; in addition, the quality of the special keys is improved corresponding to the secondary detection of the special keys so as to improve the quality of the whole keyboard.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a general flowchart of the method for detecting a pull force of a key according to the present invention;
FIG. 2 is a block diagram of a system for detecting a pull force of a key according to the present invention;
FIG. 3 is a schematic diagram of a keyboard of the device for detecting a pulling force of a key according to the present invention;
FIG. 4 is an enlarged view of FIG. 3;
description of the drawings: 10. the device comprises an instruction receiving module 20, an acquisition module 30, an analysis module 40, a drawing mechanism 100, a keyboard 110 and unqualified keys.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The invention provides a method for detecting the drawing force of a key, wherein the key on a keyboard is generally fixed in a clamping manner in the installation process, and the key is easy to fall off in the use process when not clamped in place or when a clamping joint is damaged and the like. Therefore, before the keyboard leaves a factory, the keyboard needs to be subjected to drawing force detection, namely, an acting force is applied to the keycap on the keyboard, and if the key can bear the applied acting force and does not fall off, the key is qualified; if the key is released by the applied force, the key is unqualified.
Most of detection results are processed manually, but the detection devices are flow lines at present, and the manual processing method is low in efficiency, so that an electronic eye needs to be installed on the detection device to identify the detection results so as to improve the detection efficiency of the flow lines.
Specifically, as shown in fig. 1, the method includes the following steps:
s11, receiving a detection starting instruction, generating a first instruction for executing and controlling a plurality of drawing mechanisms and sending the first instruction to a control unit, wherein the control unit controls the drawing mechanisms to execute detection according to the first instruction; wherein the pulling mechanism comprises a key acted on by a preset force threshold range. In one embodiment, the pull mechanism acts on the key such that the key receives an upward force; the pull mechanism may generally act on the key in a number of ways, such as: the key is detected in an adsorption mode, namely, the surface of the key is acted by a sucker, the sucker is enabled to suck the key through negative pressure and then an upward force is exerted on the key; the key can be detected in a hook mode, namely a hook is arranged at the end part of the drawing mechanism, and the hook clamps the key and exerts an upward acting force on the key.
The force applied to the key by the drawing mechanism is in a range of one force, that is, the force applied to the key by the drawing mechanism is varied, and the time, initial speed, and the like of the drawing mechanism applied to the key can be set according to the specific condition of the key.
In one embodiment, the control unit controls at least one first pulling mechanism to perform detection of a first keyboard region, one first pulling mechanism acts on at least two keys simultaneously, and the first keyboard region comprises a plurality of keys with the same size; controlling at least one second drawing mechanism to execute detection of a second keyboard area, wherein the second keyboard area comprises a plurality of keys with different sizes; wherein a first predetermined force threshold range comprised by the first pulling mechanism is greater than a second predetermined force threshold range comprised by the second pulling mechanism. The drawing force detection of general keyboard is provided with a plurality of drawing mechanism and detects a keyboard simultaneously, has most button evenly distributed and the size and the same first keyboard region of shape promptly of button on the keyboard, for example: letter keys and number keys; a small number of keys are distributed on the periphery of the keyboard, and the keys are different in shape and size, namely a second keyboard area, such as a space key, an enter key and the like. Therefore, in the process of detecting the drawing force, the preset drawing force for different types of keys is different. In addition, when the drawing mechanism acts on the keys through the hooks, the single drawing mechanism for the keys in the first keyboard area can be configured with a plurality of hooks to act on the keys simultaneously. Preferably, install three trip on a drawing mechanism, the trip is respectively the joint on two lines of buttons of keyboard, for example: letter A, S, Z, letter A, S, Z form the triangle-shaped structure, and the drawing mechanism is located the center of triangle-shaped structure to the even application of force of three button, single drawing mechanism of single can detect three button simultaneously, improves detection efficiency when guaranteeing detection quality.
Because the size and shape of the keys in the second keyboard region are different, it is preferable that a single pulling mechanism is provided with a hook to act on the keys in the second keyboard region, such as the space bar and the enter key, the acting force applied in the detection process is different.
The first preset force threshold value preset by the first drawing mechanism is larger than the second preset force threshold value of the second drawing mechanism, the first drawing mechanism acts on the plurality of keys simultaneously, the second drawing mechanism acts on a single key, and therefore the first preset force threshold value is larger than the second preset force threshold value.
In one embodiment, the second pulling mechanism comprises a pulling detection device for detecting pulling of the special key, when the second pulling mechanism completes the pulling detection of the special key and the result is qualified, the second pulling mechanism sends a message to the first pulling mechanism, and the first pulling mechanism performs the pulling detection of the special key again by using the first preset force threshold range. The special keys in this embodiment include a space key, enter key, and retreat key. Such as: the key with the longest area of the enter key in the keyboard is the largest, and the use frequency of the enter key is the highest, so the requirement on the enter key is higher than that of other conventional keys, and in the embodiment, the special keys such as the enter key are secondarily detected to improve the quality of the whole keyboard.
And S12, after the drawing mechanism acts on the key and performs drawing, the control unit controls the state acquisition unit to acquire the current state of the keyboard and perform feedback. In one embodiment, after completing the action of the pulling mechanism on the key, it should be understood that: after the hook or the sucker of the drawing mechanism acts on the key for a set time by using a preset force, one result is that the key is qualified, namely the key is separated, and the other result is that the key is unqualified, namely the key is separated. The control unit sends an instruction to the state acquisition unit to execute the acquisition of the current keyboard state.
Specifically, the state acquiring unit may be an image acquiring unit or a photoelectric sensor.
In one embodiment, the control unit controls the image acquisition unit to acquire the image of the current keyboard and perform feedback. An image acquisition unit, preferably a camera, is arranged on the drawing mechanism, and the control unit controls the drawing mechanism to finish the action, the image acquisition unit starts to photograph the current keyboard state, and sends the photographed picture to the control unit.
In an alternative embodiment, the control unit controls a photoelectric sensor to acquire and feed back the current surface state of the keyboard, and the photoelectric sensor is used for detecting whether foreign matters exist on the surface of the keyboard. The photoelectric sensor is used for detecting the surface of the keyboard, the keys are separated from the surface of the keyboard, and when the photoelectric sensor detects foreign matters, the detection result is judged to be unqualified, otherwise, the detection result is qualified.
And S13, the control unit analyzes the feedback information of the state acquisition unit to obtain a detection result. In one embodiment, the control unit compares the fed back image of the current keyboard with the image of the keyboard before detection; when the image of the current keyboard is the same as the image of the keyboard before detection, the drawing force is qualified; otherwise, the drawing force is unqualified.
In one embodiment, the control unit analyzes the fed back detection result of the photoelectric sensor, and when the photoelectric sensor detects foreign matters, the drawing force is unqualified; and when the photoelectric sensor does not detect the foreign matters, the drawing force is qualified.
The present invention also provides a computer-readable storage medium having stored thereon a computer program for execution by a processor of a method for pull force detection of a key.
The invention also provides a system for detecting the drawing force of the key, as shown in fig. 2, comprising a command receiving module 10, an obtaining module 20, an analyzing module 30 and a drawing mechanism 40; wherein,
the instruction receiving module 10 is configured to receive a detection start instruction, generate a first instruction for executing and controlling the plurality of drawing mechanisms, and send the first instruction to the control unit, and the control unit controls the drawing mechanisms to execute detection according to the first instruction;
the obtaining module 20 is configured to, after the pulling mechanism acts on the key and performs pulling, control the state obtaining unit to obtain the current state of the keyboard and perform feedback;
the analysis module 30 is configured to analyze the feedback information of the state acquisition unit by the control unit to obtain a detection result;
the drawing mechanism 40 is configured to receive the instruction sent by the control unit and execute the action on the keys of the keyboard to be detected.
The invention also provides a drawing detection device for the key, which comprises the drawing force detection system for the key; the drawing mechanism further comprises a control unit, a state acquisition unit and a fixing assembly, wherein the control unit is electrically connected with the drawing mechanism and the state acquisition unit; wherein,
the fixing component comprises a keyboard fixing seat, and the keyboard fixing seat is used for fixing a keyboard to be detected;
the drawing mechanism is arranged on the fixing component and is positioned right above the keyboard to be detected;
the state obtaining unit is used for obtaining the current keyboard state after the drawing mechanism performs drawing and feeding the current keyboard state back to the control unit, and the control unit receives and analyzes the feedback information to obtain a detection result.
In one embodiment, as shown in fig. 3, 4, the state acquisition unit includes a camera; wherein,
the camera receives the instruction of the control unit to take a picture so as to acquire the image information of the current keyboard to be detected;
the photographing angle of the camera and the plane where the keyboard to be detected is located form an acute angle. Preferably, the photographing angle of the camera is 30 ° with respect to the plane where the keyboard to be detected is located. After the pulling mechanism performs pulling detection on the keyboard 100 to be detected, some keys have small changes, such as: the menu key, namely the unqualified key 110, cannot clearly determine whether the key is pulled out from the right above the keyboard, and when the camera acquires the image with the detection keyboard at a certain angle, even if the image is slightly changed, the key can be clearly determined whether the key is pulled out, so that the accuracy of judgment is improved.
In an alternative embodiment, the status acquiring unit further comprises a photoelectric sensor, the photoelectric sensor is mounted on the fixing component, and the photoelectric sensor is used for detecting whether foreign matters exist on the surface of the keyboard.
The invention also provides a production line device, which comprises a drawing detection device and a transmission device; the drawing detection device is arranged on the production line device, and the keyboard to be detected is arranged on the transmission device; the conveying device comprises a first conveying assembly and a second conveying assembly;
the first conveying assembly is used for conveying the qualified keyboards, and the second conveying assembly is used for conveying the unqualified keyboards.
While embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application of the invention, and further modifications may readily be effected by those skilled in the art, so that the invention is not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
The foregoing description has been directed to specific embodiments of this disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes in the figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
In the 90 s of the 20 th century, improvements in a technology could clearly distinguish between improvements in hardware (e.g., improvements in circuit structures such as diodes, transistors, switches, etc.) and improvements in software (improvements in process flow). However, as technology advances, many of today's process flow improvements have been seen as direct improvements in hardware circuit architecture. Designers almost always obtain the corresponding hardware circuit structure by programming an improved method flow into the hardware circuit. Thus, it cannot be said that an improvement in the process flow cannot be realized by hardware physical modules. For example, a Programmable Logic Device (PLD), such as a Field Programmable Gate Array (FPGA), is an integrated circuit whose Logic functions are determined by programming the Device by a user. A digital system is "integrated" on a PLD by the designer's own programming without requiring the chip manufacturer to design and fabricate application-specific integrated circuit chips. Furthermore, nowadays, instead of manually manufacturing an Integrated Circuit chip, such Programming is often implemented by "logic compiler" software, which is similar to a software compiler used in program development and writing, but the original code before compiling is also written by a specific Programming Language, which is called Hardware Description Language (HDL), and HDL is not only one, but many, such as abel (advanced Expression Language), ahdl (alternate Hardware Description Language), traffic, CUPL (computer universal Programming Language), HDCal (jhdware Description Language), langasite, Lola, HDL, PALASM, rhamsurdl (Hardware Description Language), vhjhdl (Hardware Description Language), and vhigh-Language, which are currently used in most common. It will also be apparent to those skilled in the art that hardware circuitry that implements the logical method flows can be readily obtained by merely slightly programming the method flows into an integrated circuit using the hardware description languages described above.
As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, one or more embodiments of the present description may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, one or more embodiments of the present description may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present description are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the description. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present description may be provided as a method, system, or computer program product. Accordingly, one or more embodiments of the present description may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, one or more embodiments of the present description may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
One or more embodiments of the present description may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. One or more embodiments of the specification may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (10)
1. The method for detecting the drawing force of the key is characterized by comprising the following steps of:
receiving a detection starting instruction, generating a first instruction for executing and controlling a plurality of drawing mechanisms and sending the first instruction to a control unit, wherein the control unit controls the drawing mechanisms to execute detection according to the first instruction; the drawing mechanism acts on the key by utilizing a preset force threshold range;
after the drawing mechanism acts on the keys and performs drawing, the control unit controls the state acquisition unit to acquire the current state of the keyboard and perform feedback;
and the control unit analyzes the feedback information according to the state acquisition unit to obtain a detection result.
2. The method for detecting the drawing force of the key according to claim 1, wherein the controlling unit controls the drawing mechanism to perform the detection according to the first command, further comprising:
the control unit controls at least one first drawing mechanism to detect a first keyboard area, one first drawing mechanism at least acts on two keys at the same time, and the first keyboard area comprises a plurality of keys with the same size; controlling at least one second drawing mechanism to execute detection of a second keyboard area, wherein the second keyboard area comprises a plurality of keys with different sizes; wherein a first predetermined force threshold range comprised by the first pulling mechanism is greater than a second predetermined force threshold range comprised by the second pulling mechanism.
3. The method according to claim 2, wherein the second pulling mechanism comprises a pulling mechanism for detecting the pulling of the special key, and when the second pulling mechanism completes the pulling detection of the special key and the result is qualified, the second pulling mechanism sends a message to the first pulling mechanism, and the first pulling mechanism performs the pulling detection of the special key again by using the first preset force threshold range.
4. The method for detecting a pulling force of a key according to claim 1, wherein in the step of controlling the state obtaining unit to obtain the current state of the keyboard and perform the feedback, the method further comprises:
the control unit controls the image acquisition unit to acquire the image of the current keyboard and feed back the image.
5. The method for detecting a pulling force of a key according to claim 1, wherein in the step of controlling the state obtaining unit to obtain the current state of the keyboard and perform the feedback, the method further comprises:
the control unit controls the photoelectric sensor to acquire the current surface state of the keyboard and feed back the current surface state, and the photoelectric sensor is used for detecting whether foreign matters exist on the surface of the keyboard.
6. The method for detecting a pullout force for a key set according to claim 4, wherein, in the parsing by the control unit according to the feedback information of the state acquisition unit, the method further includes:
the control unit compares the fed back image of the current keyboard with the image of the keyboard before detection; when the image of the current keyboard is the same as the image of the keyboard before detection, the drawing force is qualified; otherwise, the drawing force is unqualified.
7. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program is executed by a processor for performing the method as claimed in claim 1.
8. The system for detecting the drawing force of the key is characterized by comprising an instruction receiving module, an acquisition module, an analysis module and a drawing mechanism; wherein,
the receiving instruction module is configured to receive a detection starting instruction, generate a first instruction for executing and controlling the plurality of drawing mechanisms and send the first instruction to the control unit, and the control unit controls the drawing mechanisms to execute detection according to the first instruction;
the acquisition module is configured to control the state acquisition unit to acquire and feed back the current state of the keyboard after the drawing mechanism acts on the key and performs drawing;
the analysis module is configured to analyze the feedback information of the state acquisition unit by the control unit to obtain a detection result;
the drawing mechanism is configured to receive the instruction sent by the control unit and execute the instruction to act on the keys of the keyboard to be detected.
9. A pull detection device for a key, comprising the pull detection system for a key according to claim 8; the drawing mechanism further comprises a control unit, a state acquisition unit and a fixing assembly, wherein the control unit is electrically connected with the drawing mechanism and the state acquisition unit; wherein,
the fixing component comprises a keyboard fixing seat, and the keyboard fixing seat is used for fixing a keyboard to be detected;
the drawing mechanism is arranged on the fixing component and is positioned right above the keyboard to be detected;
the state obtaining unit is used for obtaining the current keyboard state after the drawing mechanism performs drawing and feeding the current keyboard state back to the control unit, and the control unit receives and analyzes the feedback information to obtain a detection result.
10. The pull detection apparatus for a key set according to claim 9, wherein the state acquisition unit includes a camera; wherein,
the camera receives the instruction of the control unit to take a picture so as to acquire the image information of the current keyboard to be detected;
the photographing angle of the camera and the plane where the keyboard to be detected is located form an acute angle.
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