A police training dummy and impact measuring device therefor

Abstract

The application discloses a kind of for police training dummy and its impact measuring device, including base and the dummy body fixed on base, the key parts of the front of dummy body are all provided with installation port, first response block is embedded in the installation port, the key parts of the two sides of dummy body are all embedded with several second response blocks, force-sensitive sensor and light indicator are all equipped on the first response block and second response block, adjusting assembly is provided in the installation port, adjusting assembly is located in the front side of first response block, the training needs of multiple stages from novice to advanced are adapted by adjusting assembly, second response block and buffer spring, and the scene of real combat confrontation is restored by the aid of obstruction mechanism and impact measuring device, and training effect is accurately evaluated, and all-around aid police training is improved in quality and efficiency.

Description

Technical Field

[0001] This invention relates to the field of training equipment technology, specifically to a police training dummy and its impact measurement device. Background Technology

[0002] In the field of police training, training dummies are core equipment for improving police officers' combat capabilities in areas such as apprehending, controlling, and riot control. Their performance directly affects training effectiveness and real-world suitability. However, existing police training dummies and their accompanying measuring devices have many shortcomings, making it difficult to meet the demands of efficient and realistic training.

[0003] First, the training adaptability is poor. The impact range of key parts of existing dummies is mostly fixed, which cannot be dynamically adjusted according to the training level of the trainees. Novices often miss frequently due to the narrow impact range, making it difficult to build muscle memory. In advanced training, the range cannot be reduced, making it impossible to simulate the scenario of accurately hitting narrow key areas in real law enforcement, resulting in insufficient training focus. Second, the realism of combat is low. Existing dummies lack flexibly adjustable interference structures, making it impossible to simulate the resistance actions of suspects raising their hands to block or sidestepping in real law enforcement. Trainees are prone to developing a fixed habit of straight-line striking, which is out of touch with the dynamic confrontation scenario in real combat. Third, the measurement and evaluation are one-sided and the feedback is delayed. Existing measurement devices mostly focus only on the impact force, lacking the capture and evaluation of the trainees' movement norms, and cannot verify the accuracy of the force data in real time. Summary of the Invention

[0004] The purpose of this invention is to provide a police training dummy and its impact measurement device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a police training dummy, comprising a base and a dummy body fixed on the base, wherein mounting openings are provided on key parts of the front of the dummy body, and a first sensing block is embedded in the mounting openings; a plurality of second sensing blocks are embedded on key parts of both sides of the dummy body; force sensors and light indicators are provided on the first and second sensing blocks; and an adjustment component is provided in the mounting openings, the adjustment component being located in front of the first sensing block.

[0006] The adjustment assembly includes an annular fixing frame and several arc-shaped blocks. The annular fixing frame is assembled into the mounting port. Several connecting rods are slidably arranged on the annular fixing frame along its circumference, and each connecting rod has an arc-shaped block at one end near the middle of the annular fixing frame. A drive ring is arranged on the outer side of the annular fixing frame. The drive ring is rotatably arranged on the inner wall of the mounting port. A first motor that is connected to the drive ring is embedded in the dummy body. A guide wheel is arranged at the other end of the connecting rod, and a first spring is sleeved on the connecting rod. Several arc-shaped pressure blocks corresponding to the connecting rod are arranged on the inner end face of the drive ring. When the drive ring rotates, the connecting rod slides radially through the cooperation of the arc-shaped pressure blocks and the guide wheel, so that the arc-shaped blocks contract or expand synchronously, dynamically adjusting the impact area of ​​the first sensing block.

[0007] The dummy body is detachably equipped with an obstruction mechanism, which adjusts the angle and height of interference to the dummy body by moving itself.

[0008] Furthermore, the obstruction mechanism includes two symmetrically arranged adjusting arm assemblies. Each adjusting arm assembly includes a fixed base, a connecting arm, a large arm, and a small arm. A fixed sleeve is connected between the two fixed bases. The fixed sleeve has a positioning opening in the middle that matches the head of the dummy body. Fixed straps extend from both sides of the rear end of the fixed sleeve. The ends of the two fixed straps are connected by an elastic band, and the rear end of the elastic band has a snap-lock closure structure. The inner end face of the fixed base is connected to the dummy body by magnetic attraction. The connecting arm is rotatably connected to the side end of the fixed base, and a second motor is provided at the rear end of the fixed base to drive its rotation. The large arm is rotatably connected to the bottom end of the connecting arm and is driven by a third motor embedded in the connecting arm. The small arm is hinged to the lower end of the large arm, and a telescopic cylinder is hinged between the rear side of the large arm and the rear end extension of the small arm to realize the folding or unfolding action of the small arm.

[0009] Furthermore, the forearm has several grooves at the end away from the upper arm, each groove containing a first airbag. A baffle is fixed to the surface of the airbag. An air supply pipe is embedded in the forearm, and the air supply pipe is connected to each of the first airbags. The air inlet of the air supply pipe is connected to an external air source.

[0010] Furthermore, the dummy body has stabilizing openings on key parts on both sides, the second sensing block is slidably mounted on the stabilizing opening, and a second airbag is provided inside the stabilizing opening. The second airbag is connected to an external air source, and a second spring is connected between the inner end face of the second sensing block and the stabilizing opening.

[0011] Furthermore, a bracket is provided at the top of the base, and a buffer hole is provided at the front end of the bracket. A support frame is slidably disposed in the buffer hole, and the support frame is hinged to the middle of the rear end of the dummy body. A replacement port is provided at the top of the bracket, and the replacement port is connected to the buffer hole and is provided with a push-pull cover. A buffer spring is detachably connected to the rear end of the support frame and the buffer hole. The bottom end of the dummy body is fixed to the base by a ball joint support.

[0012] The present invention also provides an impact measurement device for police training dummies as described above, comprising a motion capture unit, an audio prompting unit, and an acoustic feedback unit electrically connected to a processor, wherein the acoustic feedback unit is used to identify the impact material; a displacement sensor is provided in the buffer hole to detect the movement distance of the support frame; the processor receives and processes multimodal data from the force sensor, the displacement sensor, the acoustic feedback unit, and the motion capture unit.

[0013] Furthermore, the motion capture unit includes high-definition, high-speed cameras deployed around the dummy body to capture the trainee's full-body movement postures from multiple angles.

[0014] Furthermore, it also includes a physiological monitoring unit, which includes a smart bracelet worn on the wrist of the trainee, capable of real-time monitoring and wirelessly transmitting key physiological indicators such as heart rate, blood pressure, and blood oxygen saturation.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The present invention has a simple structure and reasonable design. The impact range of the first sensing block can be flexibly adjusted by adjusting the components. This can expand the effective area for beginners, establish muscle memory for hitting, and reduce frustration. It can also narrow the range for advanced training and strengthen the ability to strike accurately. With the adjustment of the touch and range of the second sensing block, the striking level of trainees can be gradually improved from basic to advanced levels to meet the needs of different training levels.

[0017] 2. The obstruction mechanism of this invention can form a variable shielding barrier through multi-joint adjustment, restoring the suspect's real resistance actions such as blocking and dodging, forcing the trainee to adjust the striking path and avoid fixed actions; the replaceable design of the buffer spring can simulate the impact feedback of people of different weights. In addition, the detachable design of the obstruction mechanism can be flexibly disassembled and assembled according to training needs, which is suitable for both non-interference basic training and interference advanced training, and is also convenient for transportation and storage, reducing the cost of use.

[0018] 3. The impact measurement device of the present invention integrates multimodal data from force sensors, displacement sensors, acoustic feedback units, and motion capture units. It can identify the striking tool and correct the force data, verify the accuracy of the data, and achieve comprehensive and accurate training evaluation from multiple dimensions such as force, tool compatibility, and action standardization. It can also rely on the processor to process the data in real time and use audio and light prompts to let the trainees know the problems in time and make targeted adjustments to their actions, thereby improving training efficiency. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the adjustment component structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the obstacle mechanism structure of the present invention;

[0022] Figure 4 This is the front view of the present invention;

[0023] Figure 5 for Figure 4 Enlarged view of a portion of point A in the middle;

[0024] Figure 6 for Figure 4 Enlarged view of a section at point B in the middle;

[0025] Figure 7 This is a top view of the present invention.

[0026] In the diagram, the components are: base-1, dummy body-2, mounting port-3, first sensor block-4, second sensor block-5, adjustment component-6, ring-shaped fixing frame-7, arc-shaped block-8, connecting rod-9, drive ring-10, guide wheel-11, first spring-12, arc-shaped pressure block-13, fixing seat-14, connecting arm-15, upper arm-16, lower arm-17, fixing sleeve-18, positioning port-19, fixing strap-20, elastic band-21, telescopic cylinder-22, first airbag-23, baffle-24, air supply pipe-25, stabilizing port-26, second airbag-27, second spring-28, bracket-29, support frame-30, replacement port-31, buffer spring-32, and ball joint support-33. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] like Figures 1 to 7 As shown, a police training dummy includes a base 1 and a dummy body 2 fixed on the base 1. The key parts of the front of the dummy body 2 (such as the neck, left chest, right chest, left rib, right rib, abdomen, groin, and face) are provided with mounting openings 3. A first sensing block 4 is embedded in the mounting opening 3. Several second sensing blocks 5 are embedded in the key parts on both sides of the dummy body 2 (such as the thigh, calf, side abdomen, and shoulder). Both the first sensing block 4 and the second sensing block 5 are provided with force sensors and light indicators. An adjustment component 6 is provided in the mounting opening 3. The adjustment component 6 is located in front of the first sensing block 4.

[0029] The adjustment component 6 includes an annular fixing frame 7 and several arc-shaped blocks 8. The annular fixing frame 7 is assembled in the mounting port 3. Several connecting rods 9 are slidably arranged on the annular fixing frame 7 along its circumference. An arc-shaped block 8 is provided at one end of each connecting rod near the middle of the annular fixing frame 7. A drive ring 10 is provided on the outer side of the annular fixing frame 7. The drive ring 10 is rotatably arranged on the inner wall of the mounting port 3. A first motor that is connected to the drive ring 10 is embedded in the dummy body 2. A guide wheel 11 is provided at the other end of the connecting rod 9. A first spring 12 is sleeved on the connecting rod 9. Several arc-shaped pressure blocks 13 corresponding to the connecting rod 9 are provided on the inner end face of the drive ring 10. When the drive ring 10 rotates, the connecting rod 9 is driven to slide radially through the cooperation of the arc-shaped pressure blocks 13 and the guide wheel 11, so that the arc-shaped blocks 8 synchronously contract or expand, dynamically adjusting the impact area of ​​the first sensing block 4.

[0030] The first motor drives the drive ring 10, which is connected to its transmission, to rotate on the inner wall of the mounting port 3. The arc-shaped pressure block 13 on the inner end face of the drive ring 10 rotates with the ring, squeezing the guide wheel 11 at the end of the connecting rod 9. The guide wheel 11 is forced to drive the connecting rod 9 to slide radially along the circumference of the annular fixed frame 7, while the first spring 12 on the connecting rod 9 is compressed. The arc-shaped block 8 at the other end of the connecting rod 9 contracts synchronously with the connecting rod 9 (the arc-shaped blocks 8 move closer to each other to reduce the impact range) or expands synchronously (the arc-shaped blocks 8 move further apart to expand the impact range). Since the arc-shaped block 8 is located in front of the first sensing block 4, it will obstruct the training personnel. If the training personnel hit the arc-shaped block 8, the first sensing block 4 will not be able to sense the impact force, and it will be considered an invalid hit.

[0031] The purpose of this adjustment component 6 is to adjust for different training levels of trainees and improve their striking accuracy.

[0032] The core objective of novice training is to help trainees establish basic muscle memory for hitting key areas, reduce frustration caused by frequent misses, and master the correct striking technique. Therefore, the adjustment component 6 needs to expand the impact range of the first sensing block 4 to its maximum: the drive ring 10 is in its initial position, and under the action of the first spring 12, the arc-shaped blocks 8 are fully extended (the spacing between the arc-shaped blocks 8 is at its maximum). At this point, the exposed area of ​​the first sensing block 4 can reach more than 90% of its total area (for example, for a key chest area sensing block, where only a core area with a diameter of 10cm can be struck, after expansion, an area with a diameter of 15-20cm is considered an effective impact area, covering the key chest area and a certain surrounding buffer zone). As long as the strike lands within the expanded area, the force sensor can trigger a signal, allowing the novice to quickly receive positive stimulation.

[0033] The core objective of advanced training is to simulate the need for precise hits on critical areas in real law enforcement scenarios. Therefore, adjustment component 6 needs to gradually reduce the impact range of the first sensing block 4 to the core area:

[0034] Specific performance: Based on the training progress, the motor can control the contraction of the arc-shaped block 8 in stages:

[0035] Basic to Advanced: The arc-shaped block 8 partially shrinks, and the exposed area of ​​the first sensing block 4 is reduced to 60%-70% (e.g., the effective range of the chest sensing block is reduced to 12-15cm, covering only the core key areas and a very small surrounding area).

[0036] Advanced Level: The arc-shaped block 8 is completely retracted (the arc-shaped block 8 converges towards the center of the ring-shaped fixing frame 7), and the first sensing block 4 only exposes 30%-50% of its total area (e.g., the effective range of the chest sensing block is reduced to a diameter of 5-8cm, which only corresponds to the core key parts such as the heart and ribs). At this time, a highly precise strike is required to trigger the first sensing block 4.

[0037] In this embodiment, a blocking mechanism is detachably provided on the dummy body 2. This blocking mechanism adjusts the interference angle and interference height on the dummy body 2 by its own movement. The blocking mechanism includes two sets of symmetrically arranged adjusting arm assemblies. The adjusting arm assembly includes a fixed base 14, a connecting arm 15, a large arm 16, and a small arm 17. A fixing sleeve 18 is connected between the two fixed bases 14. The middle of the fixing sleeve 18 has a positioning port 19 that is adapted to the head of the dummy body 2. Fixing straps 20 extend from both sides of the rear end of the fixing sleeve 18. The ends of the two fixing straps 20 are connected by elastic bands 21. The connection is made so that the elastic band 21 has a snap-lock closure structure at the rear end, and the inner end face of the fixing seat 14 is connected to the dummy body 2 by magnetic attraction; the connecting arm 15 is rotatably provided with the side end of the fixing seat 14, and the rear end of the fixing seat 14 is provided with a second motor to drive its rotation; the upper arm 16 is rotatably provided at the bottom end of the connecting arm 15 and is driven by a third motor embedded in the connecting arm 15; the lower arm 17 is hinged to the lower end of the upper arm 16, and a telescopic cylinder 22 is hinged between the rear side of the upper arm 16 and the rear end extension of the lower arm 17 to realize the folding or unfolding action of the lower arm 17.

[0038] The detachable design of the obstruction mechanism (allowing for quick assembly and disassembly via magnetic connection of the fixing seat 14 and snap closure of the fixing strap 20) is designed to cater to different training scenarios: For basic training scenarios requiring no interference (such as beginner accuracy training or simple force testing), the magnetic connection of the fixing seat 14 can be quickly disconnected and the snap closure of the fixing strap 20 released, allowing the obstruction mechanism to be disassembled as a whole, preventing it from obstructing key parts of the dummy and allowing trainees to focus on proper striking techniques in an undisturbed state (such as controlling the striking force of boxing gloves or calibrating the striking angle of a baton); For advanced training scenarios requiring interference, obstruction mechanisms of corresponding specifications can be assembled according to the training objectives (such as having interchangeable forearm 17 lengths), further expanding the interference range and achieving the flexibility of adapting one dummy to multiple training types, eliminating the need to purchase dedicated dummies for different training scenarios; the detachable design also significantly reduces the difficulty of handling and storage.

[0039] The obstruction mechanism, through the angle and height adjustment of multiple joints (connecting arm 15, upper arm 16, and forearm 17), forms a "variable shielding barrier" around the dummy body 2. For example, it simulates actions such as a suspect raising their hand to block (forearm 17 unfolds to block the key parts of the dummy's chest) or turning to the side to dodge (connecting arm 15 rotates left / right to block the side parts of the dummy). This forces trainees to actively adjust their posture (such as bending over or turning to the side) and choose a striking path that avoids the shielding when striking, thus avoiding the formation of a fixed habit of striking in a straight line. This is in line with the scenario in real law enforcement where suspects will actively resist or dodge.

[0040] In this embodiment, a number of grooves are provided at the end of the forearm 17 away from the upper arm 16. The first airbag 23 is embedded in the groove. A baffle 24 is fixedly connected to the surface of the airbag. An air supply pipe 25 is embedded in the forearm 17. The air supply pipe 25 is connected to each of the first airbags 23, and the air inlet end of the air supply pipe 25 is connected to an external air source.

[0041] An external air source (such as an air pump) supplies air to the first airbag 23 in the groove through the air supply tube 25 embedded in the forearm 17. After the airbag is inflated, it pushes the baffle 24 fixed to the surface to extend outward (the extension length increases with the amount of air inflated), increasing the thickness and range of the forearm 17's resistance to the striking action. When the airbag is deflated, it contracts and the baffle 24 retracts, reducing the resistance intensity and adapting to different training difficulties (such as high-intensity training requires more air inflated and low-intensity training requires less air inflated).

[0042] The forearm 17 has a replaceable tactical identification sticker (such as "carrying a weapon" or "explosive" patterns) on its baffle 24 surface, and an RFID tag is embedded inside the baffle 24. When the training equipment (such as a baton) comes into contact with the identification sticker, the processor triggers the corresponding voice warning (such as "Danger! Back off!") via RFID. The pattern of the identification sticker is linked to the training subject database to automatically generate scoring rules.

[0043] In this embodiment, a stabilizing opening 26 is provided on key parts on both sides of the dummy body 2. The second sensing block 5 is slidably mounted on the stabilizing opening 26, and a second airbag 27 is provided inside the stabilizing opening 26. The second airbag 27 is connected to an external air source, and a second spring 28 is connected between the inner end face of the second sensing block 5 and the stabilizing opening 26.

[0044] The impact feedback hardness of the second sensing block 5 is achieved primarily through the coordinated adjustment of the inflation volume of the second airbag 27 and the buffering effect of the second spring 28.

[0045] When an external air source inflates the second airbag 27, the airbag expands and strengthens its support for the second sensing block 5. At this time, the second sensing block 5 is in a "rigid support" state. When the trainee strikes, the deformation of the sensing block is small, the force is transmitted more directly, and the feedback feels harder, simulating the "striking sensation when the human muscle is tense".

[0046] When the airbag is slightly inflated or deflated, the supporting force of the airbag on the sensing block is weakened, and the elastic buffering effect of the second spring 28 is more obvious. When hit, the sensing block will slightly retract with the deformation of the spring, and the force transmission is partially absorbed, resulting in a softer feedback feel, simulating the "hitting sensation when human muscles are relaxed". The second spring 28 can also quickly pull the sensing block back after the hit, avoiding feedback delay caused by the sensing block getting stuck after the airbag is deflated, and ensuring the consistency of feedback for each hit.

[0047] In addition to changing the feedback intensity, the settings of both can also dynamically adjust the effective impact area of ​​the second sensor block 5:

[0048] When the airbag inflates, it pushes the sensor block outward, making it extend beyond the surface of the two sides of the dummy, which is equivalent to expanding the range of key areas that can be hit. This is suitable for the basic training stage (helping trainees build muscle memory for "hitting key areas"). When the airbag deflates, the sensor block retracts with the spring, becoming flush with or slightly reduced to the surface of the two sides of the dummy, thus reducing the effective striking range. This is suitable for the advanced training stage (improving the trainee's striking accuracy and simulating the scenario of "precisely hitting narrow key areas" in real combat).

[0049] In this embodiment, a bracket 29 is provided at the top of the base 1, and a buffer hole is provided at the front end of the bracket 29. A support frame 30 is slidably arranged in the buffer hole, and the support frame 30 is hinged to the middle of the rear end of the dummy body 2. A replacement port 31 is provided at the top of the bracket 29, and the replacement port 31 is connected to the buffer hole. A push-pull cover is provided on the replacement port 31. A buffer spring 32 is detachably connected to the rear end of the support frame 30 and the buffer hole. The bottom end of the dummy body 2 is fixed to the base 1 by a ball joint support 33.

[0050] The bottom of the dummy body 2 is fixed to the base 1 by a ball joint support 33, allowing the dummy to rotate flexibly around the ball joint when impacted (simulating the posture change of the human body after being hit); the middle of the rear end of the dummy is hinged to the support frame 30, and the support frame 30 is slidably assembled in the buffer hole of the bracket 29, and slides synchronously in the buffer hole as the dummy rotates.

[0051] This device allows for the replacement of buffer springs 32 with different stiffnesses via the interchange port 31. Its core purpose is to simulate the difference in "receding distance" after being struck by people of different weights. People of different weights have varying degrees of stability against external forces. The heavier the person, the stronger the support force of their muscles and bones against the impact, resulting in a smaller recoil distance after being struck; conversely, the lighter the person, the weaker the support force, resulting in a larger recoil distance. The stiffness (i.e., the ability to resist deformation) of the buffer spring 32 precisely corresponds to this difference. When simulating heavier individuals (such as adults weighing over 80kg), a high-stiffness buffer spring 32 (such as a spring with thicker metal wire and fewer coils) is used. This type of spring requires greater force to compress upon impact, resulting in a shorter sliding distance of the support frame 30 within the buffer hole, and a smaller recoil distance of the dummy around the ball joint, thus replicating the realistic state of heavier individuals who "do not easily recoil after being struck."

[0052] When simulating individuals with lighter weights (e.g., those weighing less than 50kg), replace the spring 32 with a low-stiffness buffer spring (e.g., a spring with a thin metal wire diameter and many coils). This type of spring is easily compressed, allowing the support frame 30 to slide a longer distance, resulting in a larger backward movement of the dummy. This corresponds to the characteristic of lighter individuals being "more likely to retreat after being hit," thus perfectly matching the mechanical feedback of individuals of different weights after being hit.

[0053] This embodiment also provides an impact measurement device, including a motion capture unit, an audio prompting unit, and an acoustic feedback unit electrically connected to a processor. The acoustic feedback unit is used to identify the material being struck. A displacement sensor is disposed in the buffer hole to detect the movement distance of the support frame 30. The processor receives and processes multimodal data from the force sensor, displacement sensor, acoustic feedback unit, and motion capture unit. The audio prompting unit is used to announce the name of the part to be struck in voice while providing visual light prompts, increasing the realism and complexity of the training.

[0054] The core of the acoustic feedback unit is to collect impact sounds through a high-sensitivity microphone and convert them into electrical signals. The processor performs spectrum analysis to extract frequency, amplitude, and timbre characteristics (e.g., low frequency 200-500Hz for boxing gloves, mid frequency 500-1000Hz for rubber batons, 800-1500Hz for shields, and high frequency 1000-2000Hz for police batons). These are compared with a preset voiceprint database (matching accuracy exceeds 90%, identifying the striking tool). Simultaneously, it can provide a correction basis for force judgment by calling preset force transmission coefficients for different tools (0.7-0.8 for boxing gloves, 0.9-1.0 for rubber batons, and 1.1-1.2 for police batons) to correct the original data of the force sensor to obtain the actual striking force, ensuring that the force assessment is close to actual combat (e.g., when striking with a rubber baton, the corrected data can accurately determine whether an effective control force of 300N is reached). It can also identify unauthorized tools and trigger audio warnings to ensure the standardization of training.

[0055] In this embodiment, the motion capture unit includes high-definition high-speed cameras deployed around the dummy body 2 to capture the full-body movement posture of the trainee from multiple angles. For baton and shield techniques, the focus is on capturing sliding steps, defensive postures, and weapon swing trajectories; for combat techniques, the focus is on capturing the movement trajectories and body coordination of punches, kicks, and throws.

[0056] The physiological monitoring unit includes a smart bracelet worn on the wrist of the trainee, which can monitor and wirelessly transmit key physiological indicators such as heart rate, blood pressure, and blood oxygen saturation in real time, providing real-time safety monitoring data for the system.

[0057] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A police training dummy, characterized in that: The device includes a base and a dummy body fixed on the base. The key parts on the front of the dummy body are provided with mounting holes. A first sensing block is embedded in the mounting hole. Several second sensing blocks are embedded in the key parts on both sides of the dummy body. Both the first and second sensing blocks are provided with force sensors and light indicators. An adjustment component is provided in the mounting hole. The adjustment component is located in front of the first sensing block. The adjustment assembly includes an annular fixing frame and several arc-shaped blocks. The annular fixing frame is assembled into the mounting port. Several connecting rods are slidably arranged on the annular fixing frame along its circumference, and each connecting rod has an arc-shaped block at one end near the middle of the annular fixing frame. A drive ring is arranged on the outer side of the annular fixing frame. The drive ring is rotatably arranged on the inner wall of the mounting port. A first motor that is connected to the drive ring is embedded in the dummy body. A guide wheel is arranged at the other end of the connecting rod, and a first spring is sleeved on the connecting rod. Several arc-shaped pressure blocks corresponding to the connecting rod are arranged on the inner end face of the drive ring. When the drive ring rotates, the connecting rod slides radially through the cooperation of the arc-shaped pressure blocks and the guide wheel, so that the arc-shaped blocks contract or expand synchronously, dynamically adjusting the impact area of ​​the first sensing block. The dummy body is detachably equipped with an obstruction mechanism, which adjusts the angle and height of interference to the dummy body by moving itself.

2. The police training dummy according to claim 1, characterized in that: The obstruction mechanism includes two symmetrically arranged adjusting arm assemblies. Each adjusting arm assembly includes a fixed base, a connecting arm, a large arm, and a small arm. A fixed sleeve is connected between the two fixed bases. The fixed sleeve has a positioning opening in the middle that matches the head of the dummy. Fixed straps extend from both sides of the rear end of the fixed sleeve. The ends of the two fixed straps are connected by an elastic band, and the rear end of the elastic band has a snap-lock closure structure. The inner end face of the fixed base is connected to the dummy via magnetic attraction. The connecting arm is rotatably connected to the side end of the fixed base, and a second motor is provided at the rear end of the fixed base to drive its rotation. The large arm is rotatably located at the bottom end of the connecting arm and is driven by a third motor embedded in the connecting arm. The small arm is hinged to the lower end of the large arm, and a telescopic cylinder is hinged between the rear side of the large arm and the rear end extension of the small arm to realize the folding or unfolding action of the small arm.

3. A police training dummy according to claim 2, characterized in that: The forearm has several grooves at the end away from the upper arm, and a first airbag is embedded in each groove. A baffle is fixed to the surface of each airbag. An air supply pipe is embedded in the forearm and is connected to each of the first airbags. The air inlet of the air supply pipe is connected to an external air source.

4. A police training dummy according to claim 1, characterized in that: The dummy body has stabilizing openings on key parts on both sides. The second sensing block is slidably mounted on the stabilizing opening, and a second airbag is provided inside the stabilizing opening. The second airbag is connected to an external air source, and a second spring is connected between the inner end face of the second sensing block and the stabilizing opening.

5. A police training dummy according to claim 1, characterized in that: The base has a bracket at its top, and a buffer hole at its front end. A support frame is slidably mounted in the buffer hole, and the support frame is hinged to the middle of the rear end of the dummy body. The bracket has a replacement port at its top, which is connected to the buffer hole and has a push-pull cover. A buffer spring is detachably connected to the rear end of the support frame and the buffer hole. The bottom end of the dummy body is fixed to the base by a ball joint support.

6. An impact measuring device for police training dummies according to claim 5, characterized in that: It includes a motion capture unit, an audio prompting unit, and an acoustic feedback unit electrically connected to the processor. The acoustic feedback unit is used to identify the material being struck. A displacement sensor is installed inside the buffer hole to detect the movement distance of the support frame. The processor receives and processes multimodal data from the force sensor, displacement sensor, acoustic feedback unit, and motion capture unit.

7. The impact measuring device according to claim 6, characterized in that: The motion capture unit includes high-definition, high-speed cameras deployed around the dummy body to capture the trainee's full-body movements from multiple angles.

8. The impact measuring device according to claim 6, characterized in that: It also includes a physiological monitoring unit, which includes a smart bracelet worn on the wrist of the trainee, capable of real-time monitoring and wirelessly transmitting key physiological indicators such as heart rate, blood pressure, and blood oxygen saturation.

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