Golf standard club

Abstract

The application discloses a ball standard pole, which comprises a pole body, a touch sensor, an alarm circuit and a controller, wherein the touch sensor is arranged on the pole body and is triggered when the pole body is touched, the controller is electrically connected with the touch sensor and the alarm circuit, and the controller is used for controlling the alarm circuit to alarm when the touch sensor is triggered. The embodiment can automatically and sensitively detect the case that the ball touches the pole body, and helps to improve the accuracy of ball game judgment.

Description

Technical Field

[0001] This application belongs to the field of sports equipment technology, specifically relating to a standard ball-shaped rod. Background Technology

[0002] The latest international volleyball rules stipulate that during a match, the volleyball must pass through the space defined by the net, the side marker poles, and the center line extending infinitely upwards to be considered validly in bounds and enter the opponent's playing space (if the volleyball is played inside a stadium, it is out of bounds if it touches an overhead obstacle). With the rapid advancement of volleyball skills, the competition at the net and in the air has become increasingly intense, posing a greater challenge to referees in making accurate calls. To help referees accurately determine whether a ball is in or out of bounds, in 1968 the FIVB adopted a system where two marker poles, each 1.8 meters long and 1 centimeter in diameter (with the top 80 centimeters extending beyond the net and 100 centimeters inside), are placed on the net and corresponding to the ground boundary lines. These are considered part of the net, and their boundaries are extended vertically upwards as reference points for auxiliary judgments. The rules state: 1. If the volleyball enters the opponent's court outside of the marker poles during the match, it is out of bounds; 2. The volleyball touching a marker pole is also out of bounds. However, in actual matches, due to the extremely high ball speed and short duration, it becomes very difficult to visually determine whether a volleyball is in or out of bounds when it passes through the space above the marker pole and enters the opponent's court. Therefore, it is particularly necessary to upgrade existing marker poles and other equipment using advanced technology, and to employ more advanced, accurate, and automated technical solutions to assist in match officiating, in order to meet the requirements of modern competition. Summary of the Invention

[0003] This application aims to provide a standard ball control for ball games, which at least solves the problem that related technologies rely on the human eye to observe the position between the volleyball and the standard ball to determine whether the ball is out of bounds, making it difficult to guarantee the accuracy of the judgment.

[0004] To solve the above-mentioned technical problems, this application is implemented as follows:

[0005] This application provides a standard ball-playing club, comprising:

[0006] Rod body;

[0007] A touch sensor is installed on the rod and is triggered when the rod is touched.

[0008] Alarm circuit;

[0009] The controller is electrically connected to the touch sensor and the alarm circuit. The controller is used to control the alarm circuit to sound an alarm when the touch sensor is triggered.

[0010] The ball standard cue provided in this embodiment includes a cue body, a touch sensor, an alarm circuit, and a controller. The touch sensor is mounted on the cue body and is triggered when the cue body is touched. The controller is electrically connected to the touch sensor and the alarm circuit, and is used to control the alarm circuit to sound an alarm when the touch sensor is triggered. This embodiment can automatically and sensitively detect when a ball touches the cue body, helping to improve the accuracy of ball game judgment.

[0011] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0012] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0013] Figure 1 This is a schematic diagram of a topology of a standard ball-shaped rod provided in an embodiment of this application;

[0014] Figure 2 This is a schematic diagram of a standard ball-shaped rod provided in an embodiment of this application;

[0015] Figure 3 This is another structural schematic diagram of the standard ball club provided in the embodiments of this application;

[0016] Figure 4 This is a schematic diagram of another topological structure of the standard ball-shaped rod provided in an embodiment of this application;

[0017] Figure label:

[0018] 110- Rod body, 120- Touch sensor, 121- Pressure sensor, 122- Vibration sensor, 130- Alarm circuit, 140- Photoelectric sensor, 141- Infrared receiver, 142- Infrared transmitter, 150- Matrix fiber optic sensor, 151- Light curtain, 160- Button circuit, 170- Controller, 180- Power supply circuit, 200- External display device, 300- Volleyball. Detailed Implementation

[0019] The embodiments of this application will now be described in detail. Examples of these embodiments are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0020] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "multiple" means two or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0021] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0022] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0023] like Figure 1 As shown, a standard ball club according to some embodiments of this application includes:

[0024] Rod 110;

[0025] A touch sensor 120 is disposed on the rod 110 and is triggered when the rod 110 is touched.

[0026] Alarm circuit 130;

[0027] The controller 170 is electrically connected to the touch sensor 120 and the alarm circuit 130. The controller 170 is used to control the alarm circuit 130 to sound an alarm when the touch sensor 120 is triggered.

[0028] The ball standard stick provided in this application embodiment can be applied to some ball sports, such as being set on the net in volleyball 300 to determine whether the volleyball 300 is out of bounds. Of course, in some possible ways, the ball standard stick can also be used as a corner flag stick in soccer, or in other existing ball sports or custom ball sports. These will not be listed here, but for the sake of simplicity, the following description will mainly focus on the ball standard stick used in volleyball 300 as an example.

[0029] The ball standard rod may include a rod body 110, which may be elongated and used as a reference structure to determine whether the volleyball 300 is out of bounds. For example, when the volleyball 300 touches the rod body 110, passes over the rod body 110, or cuts into the outside of the rod body 110, the volleyball 300 can be considered out of bounds.

[0030] In this embodiment, in order to enable the ball standard rod to automatically detect when the volleyball 300 touches its rod body 110, a touch sensor 120 can be installed on the rod body 110.

[0031] In some embodiments, the touch sensor 120 may be a touch-sensitive sensor, such as a pressure sensor 121 or a strain gauge, which directly responds to the touch of an external structure, such as generating changes in electrical signals, thereby enabling the detection of the ball touching the rod 110.

[0032] In other embodiments, the touch sensor 120 can be a motion detection sensor, such as a vibration sensor 122, which can be a sensor based on displacement, velocity, or acceleration detection. It is easy to understand that when the ball touches the rod 110, the rod 110 vibrates, thereby triggering the vibration sensor 122. In other words, the triggering of the vibration sensor 122 is used to detect whether the ball has touched the rod 110.

[0033] To alert users, such as referees, that the cue stick 110 has been touched, a ball standard cue may include an alarm circuit 130, which may be a sound alarm, a light alarm, or a combination of sound and light alarms, etc., without being specifically limited here.

[0034] The controller 170 is configured such that when the touch sensor 120 is triggered, an alarm is triggered via the alarm circuit 130. In some examples, the controller 170 may be a microcontroller unit (MCU), a central processing unit, or other chip with specific computing capabilities.

[0035] For example, if the touch sensor 120 is a pressure sensor 121, when it is touched by the volleyball 300, a change in pressure signal will be generated, and the controller 170 will control the alarm circuit 130 to sound an alarm based on the change in pressure signal.

[0036] In volleyball (300) matches, standard poles can be set at both ends of the net. When the volleyball (300) passes between two standard poles, it is considered a normal ball. When the volleyball (300) touches either standard pole, it is determined to be out of bounds. In some cases, the volleyball (300) may slightly touch the standard pole, making it difficult for the referee to determine whether it is out of bounds by visual inspection alone. However, based on the application of ball standard poles provided in this embodiment, when the volleyball (300) touches the pole 110, the touch sensor 120 is triggered. The controller 170 then controls the alarm circuit 130 to sound an alarm based on the triggering of the touch sensor 120. This makes the detection of whether the volleyball (300) is out of bounds more sensitive and accurate.

[0037] The ball standard cue provided in this embodiment includes a cue body 110, a touch sensor 120, an alarm circuit 130, and a controller 170. The touch sensor 120 is disposed on the cue body 110 and is triggered when the cue body 110 is touched. The controller 170 is electrically connected to the touch sensor 120 and the alarm circuit 130, and is used to control the alarm circuit 130 to sound an alarm when the touch sensor 120 is triggered. This embodiment can automatically and sensitively detect when a ball touches the cue body 110, which helps improve the accuracy of ball game judgment.

[0038] Optionally, such as Figures 2 to 4 As shown, the touch sensor 120 includes a pressure sensor 121 disposed on the surface of the rod 110.

[0039] Based on the examples in the above embodiments, the pressure sensor 121 can be considered as a type of touch sensor, which can directly detect the contact of a ball with the rod 110.

[0040] Considering the application scenario of volleyball 300, the standard rod can be fixed to the net. When the volleyball 300 passes through the angle between the standard rod and the inner net and causes the standard rod to wobble, it may be difficult for the referee to determine with the naked eye whether the wobble is caused indirectly by the volleyball 300 touching the net or directly by the volleyball 300 touching the standard rod. These two situations will result in completely different rulings.

[0041] In this embodiment, the touch sensor 120 includes a pressure sensor 121. In the above application scenario, when the volleyball 300 touches the shaft 110 of the ball standard pole, the pressure sensor 121 is triggered; while when the volleyball 300 touches the net, although it will cause the shaft 110 to vibrate, the pressure sensor 121 is usually not triggered. Therefore, the ball standard pole provided in this embodiment can effectively distinguish whether the ball touches the shaft 110, thereby helping to improve the accuracy of touch detection.

[0042] Optionally, such as Figures 2 to 4 As shown, the touch sensor 120 also includes a vibration sensor 122 disposed in the rod 110, and the vibration sensor 122 is electrically connected to the controller 170;

[0043] The controller 170 is specifically used to control the alarm circuit 130 to sound an alarm when both the vibration sensor 122 and the pressure sensor 121 are triggered.

[0044] In this embodiment, the touch sensor 120 is redundantly arranged, and different types of sensors are used to detect the ball's contact with the rod 110, which helps to improve the reliability of touch detection.

[0045] Similarly, considering the application scenario of volleyball 300, when the ball touches the standard pole during movement, it generates an instantaneous impact on the pole 110. On one hand, this impact can apply pressure to the surface of the pole 110, triggering the pressure sensor 121; on the other hand, the impact causes the pole 110 to vibrate continuously for a period of time, triggering the vibration sensor 122. In other words, when the volleyball 300 touches the pole 110, it usually triggers both the vibration sensor 122 and the pressure sensor 121 simultaneously.

[0046] In some extreme scenarios, the pole 110 may be affected by wind pressure. If the pressure sensor 121 is too sensitive, it may be triggered by wind pressure. Since the movement of the pole 110 caused by factors such as wind pressure is often different from the movement of the pole 110 caused by the instantaneous impact of a ball, if a vibration sensor 122 is also installed, so that the movement of the pole 110 after being subjected to an instantaneous impact triggers the vibration sensor 122, false alarms of the alarm circuit 130 caused by factors such as wind pressure can be effectively avoided.

[0047] In some examples, the operational logic of the controller 170 can be configured to identify the vibration information transmitted by the vibration sensor 122, thereby distinguishing the vibration of the rod 110 caused by the ball touching it from vibrations caused by other interference factors. For example, when the controller 170 has sufficient computing power, it can incorporate a neural network model to extract and identify the features of the vibration information.

[0048] Optionally, such as Figures 2 to 4 As shown, the ball standard club also includes a photoelectric sensor 140 disposed on the top of the club body 110, and the photoelectric sensor 140 is electrically connected to the controller 170;

[0049] The controller 170 is also used to control the alarm circuit 130 to sound an alarm when the photoelectric sensor 140 is triggered.

[0050] The photoelectric sensor 140 can be an infrared laser sensor or an ultraviolet sensor, etc. For the sake of simplicity, the following description will mainly take the photoelectric sensor 140 as an infrared laser sensor as an example.

[0051] An infrared laser sensor may include an infrared emitter 142 and an infrared receiver 141. The infrared emitter 142 emits infrared light, while the infrared receiver 141 receives infrared light. Depending on the actual needs, the photoelectric sensor 140 can be triggered under two conditions: one is that the infrared receiver 141 continuously receives the infrared light emitted by the infrared emitter 142. When the infrared light is blocked, the photoelectric sensor 140 is triggered because the infrared receiver 141 cannot receive the infrared light; the other is that the infrared receiver 141 normally cannot receive the infrared light emitted by the infrared emitter 142, but when a ball moves past, causing a change in the direction of infrared light propagation, the infrared receiver 141 can then receive the infrared light, and the photoelectric sensor 140 is triggered in this case.

[0052] Based on the above working principle, in this embodiment, a photoelectric sensor 140 is set on the rod 110 so that the emitted infrared light can reach the top of the rod 110. When the ball passes over the top of the rod 110, the infrared light will be blocked or the direction of infrared light propagation will change due to diffuse reflection, thereby triggering the photoelectric sensor 140, and controlling the alarm circuit 130 to sound an alarm through the controller 170.

[0053] Specifically, in the application scenario of volleyball 300, when the volleyball 300 passes over the standard pole, it is considered out of bounds. Based on the application of the ball standard pole provided in this application embodiment, the situation where the volleyball 300 goes out of bounds due to passing over the pole 110 can be effectively identified and alarmed, which helps to improve the accuracy of the judgment, and also enriches the function of the ball standard pole, realizing the detection and identification of different types of ball out of bounds situations.

[0054] like Figure 2 As shown, based on the above description of the working principle, in one embodiment, the photoelectric sensor 140 includes:

[0055] Infrared receiver tube 141 is fixedly connected to the top of rod 110;

[0056] Infrared emitting tube 142 is fixedly connected to the top of the rod 110 and is arranged in the same direction as infrared receiving tube 141. Photoelectric sensor 140 is triggered when infrared receiving tube 141 receives infrared light emitted by infrared emitting tube 142.

[0057] In certain application scenarios, when the volleyball 300 is in motion outdoors, the infrared emitter 142 and infrared receiver 141 can be fixed to the top of the pole 110, both facing upwards. Under normal circumstances, there are no obstructions above the standard pole, and the infrared light emitted by the emitter 142 propagates upwards, not being received by the receiver 141. In this case, the photoelectric sensor 140 remains in an untriggered state. When the volleyball 300 passes over the pole 110, the infrared light shines on the ball and undergoes diffuse reflection. Some of the diffusely reflected infrared light will then reach the receiver 141, triggering the photoelectric sensor 140. The controller 170 then controls the alarm circuit 130 to sound an alarm based on the triggered state of the photoelectric sensor 140.

[0058] As can be seen, based on the above arrangement of infrared receiver 141 and infrared emitter 142, the situation of the ball passing over the rod 110 can be effectively detected. In addition, this arrangement has low requirements for external fixing structure, especially in outdoor environment, where no additional fixing structure is needed to fix infrared receiver 141 or infrared emitter 142.

[0059] like Figure 3 As shown, as a variation of the previous embodiment, in this embodiment, the photoelectric sensor 140 includes:

[0060] Infrared receiver tube 141 is fixedly connected to the top of rod 110;

[0061] Infrared emitting tube 142 is positioned above the rod body 110 and opposite to the infrared receiving tube 141. The photoelectric sensor 140 is triggered when the infrared receiving tube 141 does not receive infrared light emitted by the infrared emitting tube 142.

[0062] In some application scenarios, volleyball matches may be held indoors, where there may be numerous structures for attachment, such as roofs or other rigid frames above the net. These structures provide a basis for the attachment of the infrared emitter 142. In this embodiment, the infrared emitter 142 can be positioned above the rod 110, for example, fixed to a rigid frame above the net.

[0063] Infrared emitter 142 and infrared receiver 141 are arranged opposite each other. Under normal circumstances, the infrared light emitted by infrared emitter 142 can be received by infrared receiver 141, and photoelectric sensor 140 can be in an untriggered state. However, when volleyball 300 passes over pole 110, it will block the infrared light, making infrared receiver 141 unable to receive the infrared light. At this time, photoelectric sensor 140 is triggered, and controller 170 controls alarm circuit 130 to sound an alarm based on the triggered state of photoelectric sensor 140.

[0064] Based on the arrangement of the infrared receiver 141 and the infrared emitter 142 in this embodiment, the intensity of the infrared light received by the infrared receiver 141 will be significantly different when the ball passes over the rod 110 and when it does not. This allows the photoelectric sensor 140 to detect the ball passing over the rod 110 more sensitively, thereby improving the sensitivity and accuracy of ball detection.

[0065] Of course, in some feasible implementations, the infrared emitting tube 142 can be fixed on the rod 110, and the infrared receiving tube 141 can be placed above the rod 110, for example, fixed on the roof above, etc.

[0066] In some application scenarios, when the volleyball 300 hits the pole 110, or when the net is touched by the volleyball 300 or a player, the pole 110 may shake. When this shaking is severe, or when the accuracy of the photoelectric sensor 140 is low, the infrared receiver 141 fixed on the pole 110 and the infrared emitter 142 set above the pole 110 may repeatedly align and misalign. At this time, the photoelectric sensor 140 may be repeatedly triggered and cause false alarms.

[0067] To address the above issues, in one embodiment, the controller 170 is specifically configured to control the alarm circuit 130 to sound an alarm when the frequency at which the photoelectric sensor 140 is triggered is less than a frequency threshold and the triggering time is less than a time threshold.

[0068] In some examples, the frequency threshold can be set to 2, meaning the photoelectric sensor 140 is triggered less than twice within 1 second if the frequency is less than the frequency threshold. Similarly, the time threshold can be set to 0.5 seconds, meaning the photoelectric sensor 140 is triggered for less than 0.5 seconds if the time is less than the time threshold. Of course, these are just examples of frequency and time thresholds; in practical applications, they can be set as needed.

[0069] In the context of the volleyball 300, when the volleyball 300 passes over the pole 110, on the one hand, it usually only passes over once in a short period of time, corresponding to a low triggering frequency; on the other hand, the time spent passing over the pole 110 is short.

[0070] When the volleyball 300 touches the pole 110, or when the net touches the pole, causing the pole 110 to shake, the photoelectric sensor 140 will be repeatedly triggered in a short period of time, with a triggering frequency greater than the frequency threshold. Or when the pole 110 shakes violently, or swings in the opposite direction in a conical shape, or when the infrared emitting tube 142 is knocked askew, the photoelectric sensor 140 will be triggered for a long time, that is, the triggering time is greater than or equal to the time threshold.

[0071] As can be seen, in this embodiment, by limiting the frequency threshold and the time threshold, the controller 170 can effectively distinguish whether the photoelectric sensor 140 is excited because the ball passes over the rod 110, thereby improving the accuracy of detection.

[0072] As for the situation where the ball is determined to be out of bounds due to touching the rod 110, it can be identified based on the settings of the touch sensor 120 mentioned above, and will not be explained again here.

[0073] Optionally, such as Figures 2 to 4 As shown, the ball standard rod also includes a matrix fiber optic sensor 150, which is arranged along the length of the rod body 110 and faces the radially outer side of the rod body 110.

[0074] The controller 170 is electrically connected to the matrix fiber optic sensor 150 and is used to control the alarm circuit 130 to sound an alarm when the matrix fiber optic sensor 150 is triggered.

[0075] The matrix fiber sensor 150 can be a matrix fiber diffuse reflection type sensor, which can emit a light curtain 151. When a ball passes through the light curtain 151, it will trigger the matrix fiber sensor 150.

[0076] In the context of volleyball 300 matches, standard ball-playing poles can be set on both sides of the net. The area between the poles 110 of the two standard ball-playing poles is the normal passage zone for the volleyball 300, while the opposite sides of the two poles 110 are the out-of-bounds sides. That is, when the volleyball 300 cuts into the opponent's half of the court from the outside of the poles 110, it is considered out of bounds.

[0077] In this embodiment, the matrix fiber optic sensor 150 can detect when the volleyball 300 cuts into the outside of the pole 110. Specifically, the matrix fiber optic sensor 150 can be arranged along the length of the pole 110 and facing radially outward from the pole 110. When the standard pole of the volleyball is installed on the net, the matrix fiber optic sensor 150 emits a light curtain 151 towards the outside of the pole 110. When the ball passes through the light curtain 151, the matrix fiber optic sensor 150 is triggered, and the controller 170 controls the alarm circuit 130 to sound an alarm based on the triggering structure of the matrix fiber optic sensor 150.

[0078] As can be seen, this embodiment further enriches the ball sensor's function of detecting the state of the ball by setting up the matrix fiber optic sensor 150, and improves the practicality of the ball sensor.

[0079] Optionally, such as Figure 4 As shown, the ball standard rod also includes a communication module (not shown in the figure), and the matrix fiber optic sensor 150 includes multiple fiber optic sensing units;

[0080] The controller 170 is specifically used to acquire the position information of the triggered fiber optic sensing unit and send the position information to the external display device 200 through the communication module so that the external display device 200 displays the position information.

[0081] As illustrated by some examples, the communication module can be a wired interface or a wireless communication circuit such as Bluetooth or WiFi. Through the communication module, the controller 170 can communicate with the external display device 200. Simultaneously, the controller 170 is connected to the matrix fiber optic sensor 150. When the matrix fiber optic sensor 150 is triggered, the controller 170 can obtain the location information of the specific triggered fiber optic sensing unit and send this location information to the external display device 200 via the communication module. This allows the external display device 200 to display the location information, providing a basis for, for example, a referee's decision, and improving the user experience.

[0082] In some embodiments, when an external display device 200 is provided, the controller 170 may also send the triggering results of the pressure sensor 121, vibration sensor 122 or photoelectric sensor 140 to the external display device 200 via a communication module in order to provide prompts to users, such as referees.

[0083] Optionally, such as Figure 4 As shown, the ball standard rod also includes a button circuit 160, which is electrically connected to the controller 170. The button circuit 160 includes at least a button for adjusting the sensitivity of the sensor.

[0084] It is readily understood that the touch sensor 120, photoelectric sensor 140, or matrix fiber optic sensor 150 mentioned in the above embodiments can all correspond to the sensors described here. In this embodiment, a button circuit 160 is provided on the ball standard rod. The button circuit 160 may include at least one button, such as a button for adjusting the sensitivity of the sensor.

[0085] In some implementation methods, when the pressure detected by the pressure sensor 121 is greater than the pressure threshold, the pressure sensor 121 can be considered to be triggered. The pressure threshold in the controller 170 can be adjusted by pressing a button, thereby adjusting the sensitivity of the pressure sensor 121.

[0086] In other embodiments, the sensitivity of the photoelectric sensor 140 can be adjusted by adjusting the light source intensity of the infrared emitting tube 142 to adapt to different competition environments.

[0087] It is evident that by setting up the button circuit 160 and adjusting the sensor sensitivity via the button, the adaptability of the ball standard to various competition environments can be improved.

[0088] Of course, in some feasible implementations, the button circuit 160 may also include other function buttons, such as a power switch button, or buttons for turning certain sensor functions on or off.

[0089] In addition, such as Figure 4 As shown, the ball standard rod may also include a power supply circuit 180, which may include a battery, or may also include a transformer circuit or voltage regulator to meet the operating voltage requirements of various sensors. The battery may be a dry cell battery or a lithium battery, etc. Of course, in some feasible embodiments, the power supply circuit 180 may also be a transformer circuit for connecting to mains power, etc.

[0090] The following examples illustrate the ball standard rod provided in the embodiments of this application.

[0091] In one application example, a ball standard (hereinafter referred to as the standard) can be used as an indoor standard, such as... Figure 3 and Figure 4As shown, the indoor standard pole uses an infrared laser through-beam sensor (corresponding to an infrared laser sensor) + vibration sensor 122 + touch sensor (corresponding to a pressure sensor 121) + matrix fiber diffuse reflection sensor (corresponding to a matrix fiber sensor 150). In some examples, the infrared laser through-beam sensor consists of an infrared emitting tube 142 and an infrared receiving tube 141, with a detection distance of 0-10 meters and a detection accuracy of 15 mm; the touch sensor has a thickness of 0.4 mm, a pressure range of 0.02~20KG, and a response time of <10ms; the matrix fiber diffuse reflection sensor has an fiber bundle Φ0.25mm and a detection distance >0.8 meters.

[0092] The working principle of an indoor standard pole is as follows:

[0093] 1. When the ball is above the standard rod and blocks the light emitted by the infrared laser sensor, the infrared emitting tube 142 emits light, but the infrared receiving tube 141 fails to receive the light. This triggers the infrared laser sensor once, with a trigger frequency of 1 and a trigger time of less than 0.2 seconds. The signal detected by the sensor is sent to the main control circuit (corresponding to controller 170, which can be an MCU) for analysis and processing, automatically determining whether the ball is out of bounds. To solve the problem of false triggering caused by the standard rod wobbling, a vibration sensor 122 is added for dual discrimination. When the standard rod wobbles, the infrared laser sensor is falsely triggered with a trigger frequency greater than 1 or a trigger time greater than 0.5 seconds, and the trigger frequency is approximately equal to the vibration frequency. The signal detected by the sensor is sent to the main control circuit. The software program determines whether the false trigger is caused by vibration based on the trigger frequency, thus effectively solving the problem of false triggering caused by the standard rod wobbling.

[0094] 2. When the ball is above the standard club and does not block the light emitted by the infrared laser sensor, the automatic detection device will not be triggered.

[0095] 3. When the ball touches the standard rod, it causes pressure to be felt on the surface of the standard rod, triggering the touch sensor. At the same time, the standard rod vibrates, triggering the vibration sensor 122. The pressure and vibration signals detected by the two sensors are sent to the main control circuit for analysis and processing, and the system automatically determines whether the ball has gone out of bounds.

[0096] 4. When the ball cuts into the opponent's half of the court from the outside of the standard pole (without passing over the top of the standard pole), the light curtain 151 (matrix fiber optic diffuse reflection sensor) is triggered. The signal detected by the sensor is sent to the main control circuit for analysis and processing. The circuit automatically determines whether the ball cuts in from the outside and displays the position of the outside cut through the display circuit (corresponding to the external display device 200).

[0097] In another application example, a ball standard can be used as an outdoor standard, such as... Figure 2 and Figure 4As shown, the outdoor standard pole uses an infrared laser diffuse reflection sensor + vibration sensor 122 + touch sensor + matrix fiber diffuse reflection sensor. The infrared laser diffuse reflection sensor is a transceiver, with a detection distance of 0-2 meters and a detection accuracy of 15 mm; the touch sensor is 0.4 mm thick, with a pressure range of 0.02~20KG and a response time of <10ms; the matrix fiber diffuse reflection sensor has a fiber bundle of Φ0.25 mm and a detection distance of >0.8 meters.

[0098] The working principle of outdoor standard poles is as follows:

[0099] 1. When the ball is above the standard rod and blocks the light emitted by the infrared laser sensor, the light emitted by the infrared emitter 142 is received by the infrared receiver 141, triggering the infrared laser sensor once. The trigger frequency is equal to 1, and the trigger time is less than 0.2 seconds. The signal detected by the sensor is sent to the main control circuit for analysis and processing, automatically determining whether the ball is out of bounds. To solve the problem of false triggering caused by the standard rod wobbling, a vibration sensor 122 is added for dual discrimination. When the standard rod wobbles, the infrared laser sensor is falsely triggered. The trigger frequency is greater than 1, or the trigger time is greater than 0.5 seconds, and the trigger frequency is approximately equal to the vibration frequency. The signal detected by the sensor is sent to the main control circuit. The software program determines whether the false trigger is caused by vibration based on the trigger frequency, thus effectively solving the problem of false triggering caused by the standard rod wobbling.

[0100] 2. When the ball is above the standard club and does not block the light emitted by the infrared laser sensor, the automatic detection device will not be triggered.

[0101] 3. When the ball touches the standard rod, it causes pressure to be felt on the surface of the standard rod, triggering the touch sensor. At the same time, the standard rod vibrates, triggering the vibration sensor 122. The pressure and vibration signals detected by the two sensors are sent to the main control circuit for analysis and processing, and the system automatically determines whether the ball has gone out of bounds.

[0102] 4. When the ball cuts into the opponent's half of the court from the outside of the standard pole (without passing over the top of the standard pole), the light curtain 151 (matrix fiber optic diffuse reflection sensor) is triggered. The signal detected by the sensor is sent to the main control circuit for analysis and processing. The circuit automatically determines whether the ball cuts in from the outside and displays the position of the outside cut through the display circuit.

[0103] like Figure 4 As shown below, examples are provided to illustrate the selection of various electronic components or circuits mentioned in the application examples.

[0104] For the photoelectric sensor 140, depending on the competition environment, an infrared laser through-beam sensor is used for indoor standard poles, while an infrared laser diffuse reflection sensor is used for outdoor standard poles. This sensor features millisecond-level response, long detection distance, high accuracy, centered and non-divergent light source, and the ability to adjust the intensity and sensitivity of the light source according to different venues, making it highly adaptable. This circuit uses a 12V DC power supply. To improve the circuit's anti-interference capability and reduce the influence of subsequent circuits, the sensor trigger signal is sent to a TSV992IDT voltage follower chip. After obtaining a stable signal, it is then sent to the main control circuit.

[0105] The vibration sensor 122 can be installed inside the standard rod. When the ball touches the standard rod or the net, the vibration sensor 122 is triggered. To reduce false triggering, the sensor signal is compared with the standard signal to obtain the vibration frequency. This frequency, along with signals from the photoelectric detection module and the touch-sensitive detection module, is sent to the main control circuit for analysis and processing to determine whether the ball has gone out of bounds. The vibration sensor 122 is an SW-420 normally closed type vibration sensor, characterized by its switch-type digital signal output, good waveform, strong anti-interference capability, high sensitivity, and adjustable accuracy. This sensor is powered by a 5V DC power supply. When the ball vibrates upon contact with the rod, the sensor indicator light illuminates, improving the sensitivity and reliability of the detection.

[0106] For the matrix fiber optic sensor 150, a matrix fiber optic diffuse reflection type sensor can be selected. It is installed outside the standard pole to form a light curtain 151. When the ball cuts into the opponent's half of the court from the outside of the standard pole (without passing above the standard pole), it triggers the light curtain 151 (matrix fiber optic diffuse reflection type sensor). The signal detected by the sensor is sent to the main control circuit for analysis and processing, automatically determining whether the ball cut in from the outside and displaying the position of the outside cut through the display circuit. The matrix fiber optic sensor 150 adopts the MT-DF type diffuse reflection type, which features high detection accuracy, strong anti-interference ability, adjustable light saturation, and cost-effectiveness. This sensor is powered by a 5V DC power supply. When the ball cuts into the court from the outside of the standard pole, the light intensity changes, triggering the sensor. The signal is amplified by the fiber optic amplifier and then sent to the main control circuit. By adjusting the light intensity and saturation, the detection sensitivity and reliability are improved.

[0107] For the main control circuit, the STC8A4K60S2A12 microcontroller can be selected. This series of microcontrollers is an 8051 microcontroller designed for superior anti-interference, ultra-low cost, high speed, and low power consumption. At the same operating frequency, the STC8 series microcontrollers are approximately 12 times faster than the traditional 8051. It is a new generation of 8051 microcontrollers with wide voltage range, high speed, high reliability, low power consumption, strong anti-static properties, and strong anti-interference capabilities. Its instruction code is fully compatible with the traditional 8051. This model of microcontroller can well meet the control requirements and has good expandability. The standard lever can be upgraded and modified later as needed.

[0108] For the power supply circuit 180, a TPS5430DDAR switching power supply chip can be used. This switching power supply can reach a frequency of 40kHz and output 9-24V DC power. According to the circuit requirements, through the ratio of resistors R34 and R38 and LC filtering, this power supply outputs 12V DC power to power the photoelectric sensor 140 module. In addition, a three-terminal voltage regulator provides 5V DC power to power the vibration-touch sensor module (corresponding to touch sensor 120), the main control circuit, the alarm circuit 130, the display circuit, etc.

[0109] The alarm circuit 130 is controlled by the main control circuit and uses an audible and visual alarm. An LED light strip is installed on the standard pole, and a buzzer is installed inside the standard pole. When the standard pole detects a ball above it or a ball touching the standard pole, the sensor is triggered. The main control circuit analyzes and processes the data. If it determines that the ball is out of bounds, the alarm circuit 130 is triggered, the LED on the standard pole lights up, and a buzzer sounds.

[0110] For the display circuit and button circuit 160, the standard pole display circuit can be controlled by the main control circuit. A large color screen can be used, which can be installed at the referee's position. When the standard pole detects a ball above it or a ball touching the standard pole, the sensor is triggered. The main control circuit analyzes and processes the data to determine whether the ball is out of bounds. The location and number of times the ball went out of bounds can be displayed in real time for the referee to use as a basis for judgment. The button circuit 160 allows for settings of the standard pole's sensitivity, alarm information, etc.

[0111] Taking the sensitivity adjustment of the infrared laser sensor via button circuit 160 as an example, by selecting an infrared laser sensor, millisecond-level response and centered, non-divergent light source can be achieved. The diameter of the infrared laser through-beam sensor is approximately 15mm, and the diameter of the infrared laser diffuse reflection sensor is approximately 28mm. To improve detection accuracy, enhance the circuit's anti-interference capability, and reduce the influence of subsequent circuits, the sensor's trigger digital switch signal is sent to the TSV992IDT voltage follower chip. After obtaining a stable signal, it is then analyzed and processed by the main control circuit to determine whether the ball is out of bounds. A light source intensity knob and a sensitivity knob are designed in button circuit 160, allowing adjustment of the light source intensity and sensitivity according to different venues, enhancing the applicability of the standard pole.

[0112] It is easy to understand that the above are some examples of the selection of electronic components or circuits in the standard rod. In practical applications, the relevant models or circuit structures can be adjusted as needed.

[0113] The application of the above-mentioned standard poles can improve the accuracy of the judges' judgments, thereby achieving fair rulings.

[0114] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0115] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A standard club for ball games, characterized in that, include: Rod (110); A touch sensor (120) is disposed on the rod (110) and is triggered when the rod (110) is touched; Alarm circuit (130); A controller (170) is electrically connected to the touch sensor (120) and the alarm circuit (130). The controller (170) is used to control the alarm circuit (130) to sound an alarm when the touch sensor (120) is triggered. and A photoelectric sensor (140) is disposed on the top of the rod (110), and the photoelectric sensor (140) is electrically connected to the controller (170); the controller (170) is also used to control the alarm circuit (130) to sound an alarm when the frequency at which the photoelectric sensor (140) is triggered is less than a frequency threshold and the triggering time is less than a time threshold.

2. The standard ball club according to claim 1, characterized in that, The touch sensor (120) includes a pressure sensor (121) disposed on the surface of the rod (110).

3. The standard ball club according to claim 2, characterized in that, The touch sensor (120) also includes a vibration sensor (122) disposed in the rod (110), and the vibration sensor (122) is electrically connected to the controller (170); The controller (170) is specifically used to control the alarm circuit (130) to sound an alarm when both the vibration sensor (122) and the pressure sensor (121) are triggered.

4. The standard ball club according to claim 1, characterized in that, The photoelectric sensor (140) includes: An infrared receiver tube (141) is fixedly connected to the top of the rod body (110); An infrared emitting tube (142) is fixedly connected to the top of the rod (110) and is arranged in the same direction as the infrared receiving tube (141). The photoelectric sensor (140) is triggered when the infrared receiving tube (141) receives the infrared light emitted by the infrared emitting tube (142).

5. The standard ball club according to claim 1, characterized in that, The photoelectric sensor (140) includes: An infrared receiver tube (141) is fixedly connected to the top of the rod body (110); An infrared emitting tube (142) is disposed above the rod body (110) and opposite to the infrared receiving tube (141). The photoelectric sensor (140) is triggered when the infrared receiving tube (141) does not receive infrared light emitted by the infrared emitting tube (142).

6. The standard ball club according to claim 1, characterized in that, It also includes a matrix fiber optic sensor (150), which is arranged along the length of the rod (110) and faces the radially outward side of the rod (110); The controller (170) is electrically connected to the matrix fiber optic sensor (150) and is used to control the alarm circuit (130) to sound an alarm when the matrix fiber optic sensor (150) is triggered.

7. The standard ball club according to claim 6, characterized in that, The ball standard rod also includes a communication module, and the matrix fiber optic sensor (150) includes multiple fiber optic sensing units; The controller (170) is specifically used to acquire the location information of the triggered fiber optic sensing unit and send the location information to the external display device (200) through the communication module so that the external display device (200) displays the location information.

8. The standard ball club according to any one of claims 1 to 7, characterized in that, It also includes a button circuit (160) electrically connected to the controller (170), the button circuit (160) including at least a button for adjusting the sensitivity of the sensor.

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