CN212694392U - Writing time-delay detection device - Google Patents
Writing time-delay detection device Download PDFInfo
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- CN212694392U CN212694392U CN202021865101.2U CN202021865101U CN212694392U CN 212694392 U CN212694392 U CN 212694392U CN 202021865101 U CN202021865101 U CN 202021865101U CN 212694392 U CN212694392 U CN 212694392U
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Abstract
The embodiment of the application provides a writing delay detection device, which is applied to a touch display screen and comprises a writing module, a motion detection module, a display module and an observation module, wherein the writing module is used for contacting with the touch display screen and forming writing handwriting; the writing module is fixed on one side, facing the touch display screen, of the observation module; the motion detection module is arranged on the periphery of the writing module; the display module is arranged on the observation module and is connected with the motion detection module. According to the embodiment of the application, the writing delay time which is not easy to perceive is converted into the distance which is easy to perceive for comparison, so that the operation time is saved, the operation equipment and the operation steps are simplified, and the rapid test is realized.
Description
Technical Field
The embodiment of the application relates to the technical field of touch delay testing, in particular to a writing delay detection device.
Background
Touch display screens are increasingly used in various devices such as computers, mobile terminals, and smart tablets. The touch screen is the simplest, convenient and natural man-machine interaction mode at present, and a user can realize the control operation of equipment only by touching icons or characters on the touch screen.
Among various performance indexes of the touch display screen, the writing delay is used as an index which influences the touch response effect of the touch display screen and reflects the user experience, and becomes a particularly important performance index. The writing delay time is the time difference between the pen point which is used for drawing a certain position of the display screen and the display screen which is used for presenting handwriting at the position when the writing pen is used for writing or drawing lines on the touch display screen, and is an important index of a touch display screen product, and the user feels obvious blocking due to too long writing delay time, so that the writing experience of the user is directly influenced. In the product design process, a standard value is usually set as a test standard for the writing delay time, and the writing delay time of the product cannot exceed the standard value.
The general method for measuring the writing delay time is to use a high frame rate camera to capture the pen point position in the scribing process, generate the handwriting position and a graduated scale capable of measuring the distance difference between the pen point position and the handwriting position, analyze the obtained photo, and calculate the ratio of the distance difference between the pen point and the handwriting in the photo and the linear velocity of the writing stroke, so as to obtain the writing delay time. The inventor finds that the method in the prior art needs the steps of shooting, measuring the distance difference, measuring the stroke linear velocity, calculating and the like, is complex in operation steps and low in efficiency, and is not suitable for occasions needing quick testing, such as a production line and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the application provides a writing delay detection device which has the advantages of saving operation time, simplifying operation equipment and operation steps and realizing rapid test.
According to an aspect of an embodiment of the present application, there is provided a writing delay detection apparatus, applied to a touch display screen, including a writing module for contacting the touch display screen and forming a writing trace, a motion detection module for detecting a speed of the writing module, a display module for displaying a standard writing delay distance corresponding to the speed, and an observation module for observing the writing delay distance of the touch display screen;
the writing module is fixed on one side, facing the touch display screen, of the observation module;
the motion detection module is arranged on the periphery of the writing module;
the display module is arranged on the observation module and is connected with the motion detection module;
this application embodiment is through acquireing writing module's motion information, will touch screen display screen write the time delay and compare with standard time delay convert into touch display screen write the time delay distance with the time delay distance is write to the standard comparison to show through display module directly perceivedly, make the testing personnel can write the time delay distance size of writing of time delay distance and touch display screen through the direct judgement standard of naked eye, write the time delay that will be difficult to the perception and convert the distance size of easy perception into and compare, saved the process of analysis photo and calculation, saved operating time greatly to operating equipment and operating procedure have been simplified, made write the time delay test and be applicable to fast operating scene such as producing the line.
In an exemplary embodiment of the present application, the display module has a long axis; the long shaft forms a first projection on the touch display screen, and a contact point of the writing module and the touch display screen forms a second projection on the touch display screen; the first projection and the second projection are not on the same straight line, so that the writing delay distance displayed by the touch screen and the standard delay distance displayed by the display module are not coincident, and a user can observe the difference between the writing delay distance and the standard delay distance intuitively.
In an exemplary embodiment of the present application, a side of the display module forms a third projection on the touch display screen, and the second projection and the third projection are on the same straight line; the starting point of the standard writing delay distance is in a fourth projection formed on the touch display screen, the second projection and the fourth projection are in the same straight line, the standard writing delay distance and the writing delay distance of the touch display screen are both used by the writing module as the starting point, and the end point of the standard writing delay distance and the position of the writing handwriting can be rapidly judged whether the touch display screen meets the requirement or not through comparison.
In an exemplary embodiment of the present application, the display module includes a number of LED light sources; the plurality of LED light sources are uniformly distributed along the long axis direction of the observation module, the plurality of LED light sources are started from one side close to the writing module, and the length of a light bar formed by the distributed LED light sources which are started is equal to the standard writing delay distance; or the plurality of LED light sources are turned off from one side close to the writing module, and the length of a light bar formed by the turned-off LED light sources in a distributed mode is equal to the standard writing delay distance. The standard writing delay distance can be intuitively observed by a user through the on or off state of the LED light source.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of an application environment of a writing delay detection apparatus according to an embodiment of the present application;
FIG. 2 is a side view of a writing delay detection apparatus according to an embodiment of the present application;
FIG. 3 is a top view of a writing delay detection apparatus according to an embodiment of the present application;
fig. 4 is a schematic circuit diagram of a writing delay detection apparatus according to an embodiment of the present application;
fig. 5 is a schematic diagram of a writing delay detection apparatus according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.
In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The word "if/if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination". Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Fig. 1 is a schematic block diagram of an application environment of a writing delay detection apparatus according to an embodiment of the present application. As shown in fig. 1, an application environment of the writing delay detection apparatus includes an electronic device 1000; the electronic device 1000 may be any intelligent terminal including a touch display screen, for example, a computer, a mobile phone, a tablet computer, an interactive smart tablet, and the like; in the embodiment of the present application, the electronic device 1000 is an interactive smart tablet, in particular, an interactive smart tablet having a large-sized touch display screen.
The electronic device 1000 includes a touch display 1100; the touch display 1100 is an inductive display device, which integrates a display screen and a touch component, and is sometimes referred to as a touch screen, and a touch panel in the art. After the display screen of the touch display screen 1100 is touched, the touch control component of the touch display screen 1100 can drive various connecting devices according to a pre-programmed program to realize the control of the intelligent processing system, and then different functional applications such as the feedback of corresponding audio and video data are realized along with the software built in the intelligent processing system, so that a mechanical button panel can be replaced, and vivid audio and video effects can be manufactured by means of display pictures. According to the operating principle of the touch display screen 1100 and the medium for transmitting information, the touch display screen 1100 can be divided into four categories: resistive, capacitive, infrared, and surface acoustic wave, among others.
Because there is a delay in the touch detection process and the response process of the touch display screen 1100, in the actual use process, when a user performs a touch operation on the touch display screen 1100, for example, when a writing pen is used for writing, there is a time difference between when a pen tip slides over a certain position of the touch display screen 1100 and when the touch display screen 1100 presents handwriting at the position, and the performance and the user experience of the touch display screen 1100 are directly affected by the length of the time difference. Therefore, in the development process, the writing delay time of the touch display 1100 needs to be detected. Therefore, the application discloses a writing delay detection device which is applied to electronic equipment.
The writing delay detection device provided by the embodiment of the present application will be described in detail with reference to fig. 2 to 5.
Referring to fig. 2 to 5, fig. 2 is a side view of a writing delay detection device according to an embodiment of the present application; FIG. 3 is a top view of a writing delay detection apparatus according to an embodiment of the present application; fig. 4 is a schematic circuit diagram of a writing delay detection apparatus according to an embodiment of the present application; fig. 5 is a schematic diagram of a writing delay detection apparatus according to an embodiment of the present application.
The writing time delay detection device 2000 that this application embodiment provided is applied to touch display screen 1100, write time delay detection device 2000 including be used for with touch display screen 1100 contact and form writing module 2100, be used for obtaining the motion detection module 2200 of writing the speed of module 2100, be used for showing the time delay distance is write to the standard that the speed corresponds display module 2300 and be used for observing touch display screen 1100's the observation module 2400 of writing time delay distance. The writing module 2100 is fixed on a side of the viewing module 2400 facing the touch display 1100; the motion detection module 2200 is disposed at the outer circumference of the writing module 2100. The display module 2300 is disposed on the observation module 2400, and the display module 2300 is connected to the motion detection module 2200.
The writing module 2100 may be a writing pen or may be a tool such as a scroll wheel that displays a trace after the touch screen 1100 makes contact. In order to realize that the writing module 2100 contacts behind the touch display screen 1100, form the handwriting on the touch display screen 1100, but the drawing board class application of operation on the touch display screen 1100 of this application, specifically, when opening this drawing board class application, will be in a blank picture is shown on the touch display screen 1100, when the writing module 2100 contacts behind the touch display screen 1100, will form on the picture the handwriting of writing module 2100. The distance between the writing module 2100 and the writing trace is the writing delay distance of the touch display screen 1100, and the shorter the writing delay distance is, the better the writing response performance of the touch display screen 1100 is.
In an exemplary embodiment of the present application, the observation module 2400 is a transparent panel, so that a writing delay distance of the touch display 1100 can be conveniently and intuitively observed through the transparent panel on a side opposite to the touch display 1100. Furthermore, the periphery of the transparent panel is also provided with a protective edge strip to prevent the transparent panel from being damaged in the transportation or use process. In an exemplary embodiment of the present application, the display module 2300 is disposed on a side of the observation module 2400 opposite to the touch display screen 1100, so that the standard delay distance is closer to a user, and the visual comparison is more convenient. In some embodiments, since the viewing module 2400 is a transparent panel, the display module 2300 may also be disposed on a side of the viewing module 2400 facing the touch display screen 1100. In some embodiments, the viewing module 2400 can also be a flat panel on which a transparent portion is disposed along a long axis of the flat panel from the writing module to view a writing delay distance of the touch display 1100. In some embodiments, the viewing module 2400 can also be a planar panel on which a hollow is cut out from the writing module along a long axis of the planar panel to view a writing delay distance of the touch screen 1100.
The working principle of the present application is specifically explained as follows:
since the product with smaller writing delay time is scribed on the touch display screen 1100 at the same speed, the distance between the pen and the handwriting is shorter, that is, the distance between the position where the writing module 2100 stays and the handwriting position can represent the writing delay time of the touch display screen 1100 to some extent when the writing module scribes on the touch display screen 1100. Therefore, when the writing module 2100 writes on the touch display 1100, a distance between a position where the writing module 2100 stays and a handwriting position is a writing delay distance of the touch display 1100. The movement detection module 2200 obtains the instantaneous speed of the drawing of the writing module 2100, and then displays the standard writing delay distance at the instantaneous speed of the drawing, that is, it can be determined whether the touch display screen 1100 meets the requirement by determining whether the writing delay distance of the touch display screen 1100 is smaller than the standard writing delay distance.
This application embodiment is through acquireing writing module's motion information, will touch screen display screen write the time delay and the comparison of standard time delay convert into touch display screen 1100 write the time delay distance with the comparison of time delay distance is write to the standard to show through display module directly perceivedly, make the testing personnel can write the time delay size of writing of time delay distance and touch display screen 1100 through the direct judgement standard of naked eye, write the time delay that will be difficult to the perception and convert the distance size of easy perception into and compare, saved the process of analysis photo and calculation, saved operating time greatly to operating equipment and operating procedure have been simplified, made write the time delay test and be applicable to fast operating scene such as producing the line.
Preferably, the display module 2300 has a long axis, the long axis forms a first projection on the touch display screen 1100, a contact point of the writing module 2100 and the touch display screen 1100 forms a second projection on the touch display screen 1100, and the first projection and the second projection are not in the same line, so that a writing delay distance displayed by the touch screen and a standard delay distance displayed by the display module 2300 are not coincident, and a user can visually observe a difference between the two distances. In an embodiment of the present application, when the writing module 2100 is a roller, a projection of a contact point of the writing module 2100 and the touch display screen 1100 on the touch display screen 1100 is a center of the roller.
Preferably, a third projection is formed on the touch display screen 1100 by one side of the display module 2300, the second projection and the third projection are on the same straight line, a fourth projection is formed on the touch display screen 1100 by the starting point of the standard writing delay distance displayed by the display module 2100, the second projection and the fourth projection are on the same straight line, so that the standard writing delay distance is the same as the starting point of the writing delay distance of the touch display screen 1100, and whether the touch display screen 1100 meets the requirement can be judged by comparing the end point of the standard writing delay distance with the position of the writing trace. Specifically, if the position of the writing trace of the touch display screen 1100 is closer to the writing module 2100 than the position of the end point of the standard writing delay distance displayed by the display module 2300, it is determined that the touch display screen 1100 reaches the standard, and if the position of the end point of the standard writing delay distance displayed by the display module 2300 is closer to the writing module 2100 than the position of the writing trace of the touch display screen 1100, it is determined that the touch display screen 1100 does not reach the standard.
In some embodiments, the display module 2300 may display a standard writing delay distance according to different speed signals transmitted by the motion detection module 2200. Specifically, a plurality of comparators may be disposed in the motion detection module 2200, and the detected speed is compared with the plurality of comparators to obtain a combination of output signals of the plurality of comparators, such as 0 and 1, and for the signals output by the plurality of comparators, the display module 2300 has a corresponding display output, that is, a corresponding standard writing delay distance.
The writing delay device in some embodiments further comprises a processing chip; the input end of the processing chip is connected to the output end of the motion detection module 2200, the output end of the processing chip is connected to the input end of the display module 2300, a plurality of comparators are arranged in the processing chip, the detected speed is compared with the plurality of comparators to obtain the combination of output signals of the plurality of comparators, such as 0 and 1, and for the signals output by the plurality of comparators, the display module 2300 has corresponding display output, namely the corresponding standard writing delay distance. In some examples, the processing chip may also perform a product calculation according to the speed detected by the motion detection module 2200 and the standard writing delay time T0 to obtain the standard writing delay distance value L0 at the current speed, and the product calculation performed by the processing chip is a conventional calculation method, for example, the processing chip may obtain the product by a product accumulation method, i.e., by an accumulation method using a plurality of accumulators. The processing chip may be any chip capable of implementing the technical solution of the present application, and may be, for example, a chip of STM32 series.
In some embodiments, the motion detection module 2200 may be a rate gyroscope or any instrument that may be used to detect the instantaneous speed of the writing module.
In some embodiments, the writing module 2100 is a scroll wheel to facilitate controlling uniform motion of the writing module on the touch screen 1100. In some embodiments, the writing delay device comprises a processing chip; the motion detection module 2200 includes a transmitter/receiver 2210 and a timer 2220. The roller 2100 is provided with a through hole; the transmission receiving device 2210 includes a light emitter 2211 and a receiver 2212; the light emitter 2211 and the receiver 2212 are respectively disposed at both sides of the roller 2100, and when the roller 2100 rotates to a first position, the through hole, the light emitter 2211 and the receiver 2212 are on the same straight line; the input end of the timer 2220 is connected to the output end of the receiver 2212, the output end of the timer 2220 is connected to the input end of the processing chip 2500, the timer 2220 starts or ends timing according to a signal transmitted by the receiver 2212 that the roller 2100 rolls for one turn, and the timer 2220 transmits the time information of each rolling turn of the roller 2100 to the processing chip 2500. When the roller 2100 is rotated to a position where the through hole, the light emitter 2211 and the receiver 2212 are aligned, the light emitted from the light emitter 2211 can be received by the receiver 2212 through the through hole, the receiver 2212 detects the increase of the light intensity, a signal is generated and transmitted to the timer 2220, and the roller rollsWhen the wheel 2100 rolls for one turn, the light paths of the light emitter 2211 and the light receiver 2212 are opened once, so that the detection of the turn of the roller 2100 can be realized, and the current time T of one turn of the roller 2100 is obtainedWheel. Through the cooperation of the timer 2220, the light emitter 2211 and the receiver 2212, the current time T of one rotation of the roller 2100 can be conveniently obtained in real timeWheelAnd further according to the stored circumference L of the roller 2100WheelData enabling measurement of the instantaneous speed of the roller 2100, which corresponds to the instantaneous speed of drawing a line on the touch screen 1100, by multiplying the instantaneous speed by a standard delay time, a standard writing delay distance can be obtained. The division calculation performed by the processing chip 2500 is performed in a conventional calculation manner, for example, the processing chip 2500 performs the division calculation by using a hardware divider or a shift trigger therein. Referring to fig. 5, the working principle and the using process of the present application are described in detail as follows: the observation module 2400 is pushed to enable the roller 2100 to move at a constant speed on the touch display 1100 to form writing traces, and then the writing traces can be seen through the transparent panel 2500, where a distance between an end position of the writing traces and the roller 2100 is a writing delay distance of the touch display 1100. The motion detecting unit 2200 detects a time T of one rotation of the roller 2100WheelAnd passes the value to the processing chip 2500; the processing chip 2500 stores the perimeter L of the roller 2100WheelData and time T of one rotation of the roller 2100 transmitted by the motion state detecting unitWheelCalculating to obtain the current scribing speed value V and writing the delay time T according to the current scribing speed value V and the standard0Calculating to obtain a standard writing delay distance value L at the current speed0The method comprises the following steps:
Lwheel/TWheel＝V
V×T0＝L0
When the standard writing delay distance L under the current marking speed is obtained0Thereafter, the processing chip 2500 will controlThe display module 2300 displays the corresponding distance length L0Can be visually displayed and further passes through the standard writing delay distance L0Comparing the writing delay distance of the touch display screen 1100, it can be determined whether the touch display screen 1100 meets the requirement, specifically, when the writing delay distance of the touch display screen 1100 is observed to be closer to the roller 2100 than the standard writing delay distance displayed by the display module 2300, as shown in the figure, the writing delay distance L of the touch display screen 1100 is illustrated1Writing delay distance L less than standard0The two are simultaneously divided by the same scribing speed V to obtain the writing delay time T of the touch display screen 11001Standard value T less than writing delay time0I.e. the product meets the standard. On the contrary, the standard writing delay distance displayed by the display module 2300 is closer to the roller 2100, which indicates that the product does not reach the standard.
In an exemplary embodiment of the present application, the display module 2300 includes a number of LED light sources; the plurality of LED light sources are uniformly and closely arranged along the long axis direction of the observation module 2400; the LED light sources are started from one side close to the writing module 2100, and the length of a light bar formed by the arrangement of the started LED light sources is equal to the standard writing delay distance; or, the LED light sources are turned off from a side close to the writing module 2100, and the length of a light bar formed by the turned-off LED light sources is equal to the standard writing delay distance. The standard writing delay distance can be visually observed by a user through the LED lamp source. Specifically, referring to fig. 5, when the writing module 2100 does not start to rotate, the LED lamp is in a full-on state, and when the writing module 2100 moves, the writing module is in a state of a standard writing delay distance L at a speed of the writing module 21000L near the end of writing module 21000The LED light within the length goes out, L, away from the end of the writing module 21000The LED lamp is constantly on for a length out of the range, so that the verifier can visually and conveniently compare the standard writing delay distance of the LED lighting part with the handwriting generated by the touch display 1100. Of course, it can also be arranged when the writing module 2100 is notWhen the writing module 2100 moves, the processing chip 2500 calculates a standard writing delay distance value L at a current speed0According to the standard writing delay distance L at the speed of the writing module 21000L being normally bright and far from end of writing module 21000The LED lamp outside the length is turned off to obtain the standard writing delay distance. In some examples, the processing chip 2500 stores the number of LED light sources and the length of the light bar formed by the arrangement, so as to turn on or off the number of LED light sources according to the calculated standard writing delay distance, wherein the smaller the specification size of the patch LED light, the tighter the arrangement is, and the smaller the error of the comparison is. In the embodiment of the application, the patch LED lamps with the packaging size of 1.6mm multiplied by 0.8mm are closely arranged, so that the standard value display error is controlled to be about 1 mm. Further, the display module 2300 further comprises scale lines arranged on one side of the arranged LED light sources to obtain which scale range the writing delay distance of the touch display screen 1100 is in, thereby improving the measurement accuracy. Preferably, the display module may also include a plurality of groups of the LED light sources that are closely arranged, the processing chip 2500 may store a plurality of standard delay times, and may obtain a plurality of groups of standard delay distances by performing a product operation on the obtained writing module speed and the plurality of standard delay times, and each group of the standard delay distances may be displayed by using a group of the LED light sources that are closely arranged, so that scales may be divided based on the standard delay distances to display a scale of the complete writing delay distance at the current speed.
In some embodiments, the writing delay detection apparatus further comprises a module fixing assembly (not shown); the module fixing component comprises a rotating shaft and two fixing supports; the writing module 2100 is sleeved on the rotating shaft, the upper ends of the two fixing supports are fixed on the observation module 2400, and the lower ends of the two fixing supports are rotatably connected to the rotating shaft. In some embodiments, both of the fixing brackets are provided with a groove on a side facing the writing module 2100; the light emitter 2211 and the receiver 2212 are respectively fixed on the grooves of the two fixing brackets. By fixing the light emitter 2211 and the receiver 2212 on the fixing bracket, space and cost can be saved. In some embodiments, the transceiver 2210 is a U-shaped photosensor; the U-shaped photoelectric sensor is fixed on the observation module, a U-shaped groove of the U-shaped photoelectric sensor faces the writing module 2100, and two sides of the U-shaped groove are located on two sides of the writing module 2100; the U-shaped groove is provided with accommodating grooves on two sides respectively, the U-shaped photoelectric sensor is provided with a light emitter and a receiver, and the light emitter and the receiver are arranged in the accommodating grooves on the two sides respectively. The U-shaped photoelectric sensor can be conveniently installed and fixed on the observation module, and the safety and the reliability of the circle detection of the writing module 2100 can be improved.
In an exemplary embodiment of the present application, the writing module 2100 is located near an end of the observing module 2400 to facilitate a user to observe and compare a writing delay distance and a standard delay distance of the touch screen display 1100.
In an exemplary embodiment of the present application, a push rod (not shown) is further disposed on the observation module 2400 on the same side as the display module 2300; the push rod is located at an end of the observation module 2400, which is far from the writing module 2100, so as to conveniently push the observation module 2400 and drive the writing module 2100 to move on the touch display screen 1100.
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 identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A writing delay detection device is applied to a touch display screen and is characterized by comprising a writing module, a motion detection module, a display module and an observation module, wherein the writing module is used for being in contact with the touch display screen and forming writing handwriting;
the writing module is fixed on one side, facing the touch display screen, of the observation module;
the motion detection module is arranged on the periphery of the writing module;
the display module is arranged on the observation module and is connected with the motion detection module.
2. The writing delay detection apparatus of claim 1, wherein the display module has a long axis; the long shaft forms a first projection on the touch display screen, and a contact point of the writing module and the touch display screen forms a second projection on the touch display screen; the first projection and the second projection are not collinear.
3. The writing delay detection device of claim 2, wherein one side of the display module forms a third projection on the touch display screen, and the second projection and the third projection are on the same straight line; and the starting point of the standard writing delay distance forms a fourth projection on the touch display screen, and the second projection and the fourth projection are on the same straight line.
4. The writing delay detection apparatus according to claim 3,
the display module comprises a plurality of LED light sources;
the plurality of LED light sources are uniformly distributed along the long axis direction of the observation module, the plurality of LED light sources are started from one side close to the writing module, and the length of a light bar formed by the distributed LED light sources which are started is equal to the standard writing delay distance; or the plurality of LED light sources are turned off from one side close to the writing module, and the length of a light bar formed by the turned-off LED light sources in a distributed mode is equal to the standard writing delay distance.
5. The writing delay detection device of claim 1, wherein the writing module is a roller.
6. The writing delay detection apparatus according to claim 5,
the device also comprises a processing chip; the writing module is provided with a through hole;
the motion detection module comprises a transmitting and receiving device and a timer; the transmitting and receiving device comprises a light emitter and a receiver; the light emitter and the receiver are respectively arranged on two sides of the writing module, and when the writing module rotates to a first position, the through hole, the light emitter and the receiver are on the same straight line;
the input end of the timer is connected with the output end of the receiver, the output end of the timer is connected with the input end of the processing chip, and the output end of the processing chip is connected with the input end of the display module.
7. The writing delay detection apparatus according to claim 6,
the writing delay detection device also comprises a module fixing component;
the module fixing component comprises a rotating shaft and two fixing supports; the upper ends of the two fixed brackets are fixed on the observation module, and the lower ends of the two fixed brackets are rotatably connected to the rotating shaft; the writing module is sleeved on the rotating shaft.
8. The writing delay detection device of claim 7, wherein a groove is provided on each of the two fixing brackets on a side facing the writing module; the light emitter and the receiver are respectively fixed on the grooves of the two fixing supports.
9. The writing delay detection device of claim 7, wherein the transmitting and receiving device is a U-shaped photoelectric sensor; the U-shaped photoelectric sensor is fixed on the observation module, a U-shaped groove of the U-shaped photoelectric sensor faces the writing module, and two sides of the U-shaped groove are positioned on two sides of the writing module; the two sides of the U-shaped groove are respectively provided with an accommodating groove; the U-shaped photoelectric sensor is provided with a light emitter and a receiver, and the light emitter and the receiver are respectively arranged in the accommodating grooves on the two sides.
10. The writing delay detection apparatus of any one of claims 1 to 9, wherein the viewing module is a transparent panel.
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| CN202021865101.2U CN212694392U (en) | 2020-08-31 | 2020-08-31 | Writing time-delay detection device |
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| CN202021865101.2U CN212694392U (en) | 2020-08-31 | 2020-08-31 | Writing time-delay detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115834958A (en) * | 2022-12-19 | 2023-03-21 | 广州市保伦电子有限公司 | Touch screen writing delay test method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115834958A (en) * | 2022-12-19 | 2023-03-21 | 广州市保伦电子有限公司 | Touch screen writing delay test method and device |
| CN115834958B (en) * | 2022-12-19 | 2023-10-20 | 广东保伦电子股份有限公司 | Touch screen writing delay test method and device |
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