Multifunctional sensor early warning detection device
By introducing microwave sensors and vibration mechanisms into the wall-passing radar technology, silent alarms are achieved, and the problem of sound exposure in the prior art is solved, improving safety and concealment.
Patent Information
- Application Number
- CN202420544720.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-20
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-03-20
AI Technical Summary
Existing wall-through radar technology will produce sound when warning, causing its own position to be exposed and increasing potential danger.
A multifunctional sensor early warning detection device is designed, including a microwave sensor, a signal receiver, an operational amplifier and a vibration mechanism. The microwave sensor detects the human distance signal. When the signal is less than the threshold, the operational amplifier sends a start signal to the vibration mechanism to realize vibration. Alarm to avoid exposure of sound.
It realizes silent alarms, reduces potential dangers, improves safety protection, and through the inverter controller and eccentric wheel design, the vibration sense is more obvious, improving the reliability and concealment of the early warning device.
Smart Images
Figure CN222337715U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sensors, and in particular relates to a multifunctional sensor early warning detection device. Background Art
[0002] In the fields of security monitoring and rescue operations, the demand for target detection technology that penetrates walls is becoming increasingly urgent. At present, although the through-wall radar technology can detect the position of objects behind the wall, it will produce sound when warning, which is easy to expose its own position, thus causing potential danger, so it needs to be improved.
[0003] Based on this, the utility model provides a multifunctional sensor early warning detection device to solve the above problems. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a multifunctional sensor early warning detection device to solve the problem in the prior art that the sound generated during the warning is likely to expose the position of the device.
[0005] One embodiment of the utility model provides a multifunctional sensor early warning detection device, including: a housing, a microwave sensor, a signal receiver, an operational amplifier and a vibration mechanism;
[0006] The microwave sensor, signal receiver, operational amplifier and vibration mechanism are all installed in the housing;
[0007] A mounting plate is provided in the housing, the microwave sensor is mounted on the mounting plate, the microwave sensor is used to detect a human body distance signal, the signal receiver is fixedly connected to a side of the microwave sensor, and the signal receiver is electrically connected to the microwave sensor to receive a human body distance signal detected by the microwave sensor;
[0008] The back of the shell is provided with a placement groove protruding outward, the vibration mechanism is installed in the placement groove, the operational amplifier is installed on the side of the signal receiver, and the operational amplifier, the vibration mechanism and the microwave sensor are electrically connected;
[0009] The operational amplifier is provided with a distance threshold signal. When the human body distance signal detected by the microwave sensor is smaller than the distance threshold signal, the operational amplifier sends a start signal to the vibration mechanism.
[0010] In one of the optional embodiments, a frequency conversion controller is fixedly installed on the side of the vibration mechanism, and the frequency conversion controller is used to control the vibration frequency of the vibration mechanism. The frequency conversion controller, the vibration mechanism and the operational amplifier are electrically connected;
[0011] The frequency conversion controller adjusts the vibration amplitude of the vibration mechanism according to the distance signal value.
[0012] In one of the optional embodiments, the vibration mechanism includes a motor, an eccentric wheel and a metal plate;
[0013] The motor is fixedly mounted on the mounting plate, the eccentric wheel is mounted in the placement groove, the eccentric wheel is coaxially connected to the output shaft of the motor, the metal plate is mounted on the end of the eccentric wheel away from the motor, the metal plate is fixedly connected to the eccentric wheel, and the end of the metal plate away from the eccentric wheel abuts against the inner wall of the placement groove.
[0014] In one of the optional embodiments, a battery compartment is provided at a side end of the shell, and a battery is arranged in the battery compartment.
[0015] In one of the optional embodiments, a battery cover adapted to the battery compartment is arranged on the top of the battery compartment, a convex wall is protruded on the inner side of the battery cover near the edge, and a waterproof strip is arranged on the outer side of the convex wall.
[0016] In one of the optional embodiments, a connecting seat is fixedly connected to the back of the shell, and a pin is fixedly connected to the connecting seat.
[0017] In one of the optional embodiments, two protruding mounting holes are provided in the middle of the connecting seat, one end of the pin is inserted into the mounting hole, and the needle tip end of the pin faces outward.
[0018] The multifunctional sensor early warning detection device provided in the above embodiments has the following beneficial effects:
[0019] 1. The signal receiver is electrically connected to the microwave sensor to receive the human body distance signal detected by the microwave sensor. The operational amplifier is provided with a distance threshold signal. When the human body distance signal detected by the microwave sensor is less than the distance threshold signal, the operational amplifier sends a start signal to the vibration mechanism, thereby triggering the vibration mechanism to realize automatic detection and alarm function. The vibration mechanism reminds in vibration mode during the warning to prevent the sound generated during the warning from exposing its own position, thereby reducing potential dangers.
[0020] 2. In one of the embodiments, the vibration amplitude of the vibration mechanism is controlled by a frequency conversion controller so that the user's skin can feel the vibration, so as to judge the enemy's distance and take countermeasures, making the early warning device more efficient and reliable.
[0021] 3. In one of the embodiments, the eccentric wheel is coaxially connected to the output shaft of the motor to drive the eccentric wheel to vibrate. At the same time, the metal plate design makes the vibration more obvious, so that the user's skin can feel the vibration to judge the enemy's distance and respond, making the early warning device more efficient and reliable.
[0022] 4. In one of the embodiments, a pin design is used to fix the connection through the connection seat, so as to facilitate the user to carry and ensure that the device will not fall off during movement. At the same time, the concealment is improved and the risk of being exposed is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0024] Figure 1 A schematic diagram of the overall structure of the multifunctional sensor early warning detection device provided by the embodiment of the utility model;
[0025] Figure 2 A schematic diagram of the internal structure of the multifunctional sensor early warning detection device provided by an embodiment of the utility model;
[0026] Figure 3 for Figure 1 Schematic diagram of the battery cover of the multifunctional sensor early warning detection device.
[0027] Figure Number:
[0028] 100, housing; 110, mounting plate; 120, placement slot; 130, battery compartment; 140, battery cover; 141, convex wall; 142, waterproof strip; 150, connecting seat; 151; mounting hole; 152, pin; 200, microwave sensor; 300, signal receiver; 400, operational amplifier; 510, motor; 520, eccentric wheel; 530, metal plate; 600, frequency conversion controller. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.
[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0032] Reference Figure 1-Figure 3 , one embodiment of the utility model provides a multifunctional sensor early warning detection device, including: a housing 100, a microwave sensor 200, a signal receiver 300, an operational amplifier 400 and a vibration mechanism;
[0033] The microwave sensor 200, the signal receiver 300, the operational amplifier 400 and the vibration mechanism are all installed in the housing 100;
[0034] The housing 100 is provided with a mounting plate 110, the microwave sensor 200 is mounted on the mounting plate 110, the microwave sensor 200 is used to detect a human body distance signal, the signal receiver 300 is fixedly connected to the side of the microwave sensor 200, and the signal receiver 300 is electrically connected to the microwave sensor 200 to receive the human body distance signal detected by the microwave sensor 200;
[0035] The back of the housing 100 is provided with a placement groove 120 protruding outward, the vibration mechanism is installed in the placement groove 120, the operational amplifier 400 is installed on the side of the signal receiver 300, and the operational amplifier 400, the vibration mechanism and the microwave sensor 200 are electrically connected;
[0036] The operational amplifier 400 is provided with a distance threshold signal. When the human body distance signal detected by the microwave sensor 200 is smaller than the distance threshold signal, the operational amplifier 400 sends a start signal to the vibration mechanism.
[0037] In this embodiment, the signal receiver 300 is electrically connected to the microwave sensor 200 to receive the human body distance signal detected by the microwave sensor 200. The operational amplifier 400 is provided with a distance threshold signal. When the human body distance signal detected by the microwave sensor 200 is less than the distance threshold signal, the operational amplifier 400 sends a start signal to the vibration mechanism, thereby triggering the vibration mechanism to realize automatic detection and alarm function. The vibration mechanism reminds in vibration mode during the warning to prevent the sound generated during the warning from exposing its own position, thereby reducing potential dangers and improving safety protection.
[0038] Reference Figure 1 , Figure 2 Specifically, the microwave sensor 200, the signal receiver 300 and the vibration mechanism are all installed in the shell 100. The shell 100 is a waterproof material, which is used to protect the internal components of the multifunctional sensor early warning detection device from the external environment, so as to ensure the normal operation and extend the service life of the multifunctional sensor early warning detection device; a mounting plate 110 is arranged in the shell 100, which is used to provide support for the microwave sensor 200; the microwave sensor 200 is fixedly installed on the mounting plate 110 by bolts, and the signal receiver 300 is fixedly installed on the side of the microwave sensor 200. The microwave sensor 200 is used to detect the distance signal of the human body and sense the existence and movement of the human body. The signal receiver 300 is electrically connected to the microwave sensor 200 to receive the human body distance signal detected by the microwave sensor 200; the back of the shell 100 is provided with a placement groove 12 protruding outward 0, so as to press against human clothes, the vibration mechanism is fixedly installed in the installation slot, when the vibration mechanism vibrates, the placement slot 120 presses against the human body so as to make the user's skin produce a more obvious vibration feeling; the operational amplifier 400 is installed on the side of the signal receiver 300, and the operational amplifier 400, the vibration mechanism and the microwave sensor 200 are electrically connected; the operational amplifier 400 is provided with a distance threshold signal, when the human body distance signal detected by the microwave sensor 200 is less than the distance threshold signal, the operational amplifier 400 sends a start signal to the vibration mechanism, and the vibration mechanism vibrates to prompt that a human body is approaching or the position information of the human body, so as to prevent the target person from generating a warning sound when approaching to expose his own position, thereby reducing potential dangers and improving safety protection. It should be noted that: the user can adjust the distance threshold signal according to actual needs to control the start of the vibration mechanism.
[0039] The working principle in this embodiment is as follows: when the human body distance signal detected by the microwave sensor 200 is less than a preset distance threshold signal, the operational amplifier 400 sends a start signal to the vibration mechanism, the start signal triggers the vibration mechanism to start vibrating, and the vibration mechanism conveys warning information to the user through vibration to prompt that a human body is approaching or the location information of the human body.
[0040] In one embodiment, a frequency conversion controller 600 is fixedly installed on the side of the vibration mechanism, and the frequency conversion controller 600 is used to control the vibration frequency of the vibration mechanism. The frequency conversion controller 600, the vibration mechanism and the operational amplifier 400 are electrically connected;
[0041] The frequency conversion controller 600 adjusts the vibration amplitude of the vibration mechanism according to the distance signal value.
[0042] In this embodiment, refer to Figure 2 Specifically, a frequency conversion controller 600 is fixedly installed on the side of the vibration mechanism. The vibration mechanism is a frequency conversion vibrator. The frequency conversion vibrator is used to emit vibration to remind the target person to approach. The frequency conversion controller 600, the vibration mechanism and the distance sensor are electrically connected. By setting the control logic of the frequency conversion controller 600, the vibration amplitude of the vibration mechanism can be adjusted according to the signal of the distance sensor. When the target person is far away from the vibration mechanism, the frequency conversion controller 600 reduces the vibration amplitude. When the target person is close to the vibration mechanism, the frequency conversion controller 600 increases the vibration amplitude so that the user's skin can feel the vibration, so as to adapt to different changes and ensure that the vibration mechanism can maintain the best vibration effect under different distance conditions to improve work efficiency.
[0043] In one embodiment, the vibration mechanism includes a motor 510, an eccentric wheel 520, and a metal plate 530;
[0044] The motor 510 is fixedly mounted on the mounting plate 110, the eccentric wheel 520 is mounted in the placement groove 120, the eccentric wheel 520 is coaxially connected to the output shaft of the motor 510, the metal plate 530 is mounted on the end of the eccentric wheel 520 away from the motor 510, the metal plate 530 is fixedly connected to the eccentric wheel 520, and the end of the metal plate 530 away from the eccentric wheel 520 abuts against the inner wall of the placement groove 120.
[0045] In this embodiment, refer to Figure 2 Specifically, the vibration mechanism includes a motor 510, an eccentric wheel 520 and a metal plate 530; the motor 510 is fixedly mounted on the mounting plate 110 by bolts, the eccentric wheel 520 is mounted in the placement groove 120, the eccentric wheel 520 is coaxially connected to the output shaft of the motor 510, so that the rotation of the motor 510 drives the eccentric wheel 520 to rotate and cause vibration, and there are corresponding bolt holes on the metal plate 530, which match the bolts on the eccentric wheel 520, and the metal plate 530 is installed on the end of the eccentric wheel 520 away from the motor 510 by bolts, and the end of the metal plate 530 away from the eccentric wheel 520 abuts against the inner wall of the placement groove 120, so that the vibration effect is more obvious and the vibration sense of the human body is more significant.
[0046] In one embodiment, a battery compartment 130 is opened at a side end of the housing 100 , and a battery is disposed in the battery compartment 130 .
[0047] In this embodiment, specifically, a battery compartment 130 is opened at the side end of the shell 100 to facilitate battery replacement. A battery is arranged in the battery compartment 130, and the battery matches the battery compartment 130 to provide a long-lasting power supply, ensuring that the device can work for a long time without an external power supply.
[0048] In one embodiment, a battery cover 140 adapted to the battery compartment 130 is disposed on the top of the battery compartment 130 , a convex wall 141 is protruded on the inner side of the battery cover 140 near the edge, and a waterproof strip 142 is disposed on the outer side of the convex wall 141 .
[0049] In this embodiment, refer to Figure 3 Specifically, a battery cover 140 that is compatible with the battery compartment 130 is provided on the top of the battery compartment 130. The battery cover 140 is detachably connected to the battery compartment 130 to ensure that the battery cover 140 can tightly cover the top of the battery compartment 130. A convex wall 141 is convexly provided on the inner side of the battery cover 140 near the edge to increase the stability and durability of the battery. A waterproof strip 142 is provided on the outer side of the convex wall 141. The waterproof strip 142 is made of rubber waterproof material and is fixed on the outer side of the convex wall 141 at the outer edge of the battery cover 140 to prevent moisture from entering the interior of the battery compartment 130, thereby enhancing the waterproof performance of the battery compartment 130.
[0050] In one embodiment, a connection base 150 is fixedly connected to the back of the housing 100 , and a pin 152 is fixedly connected to the connection base 150 .
[0051] In this embodiment, refer to Figure 1 Specifically, a connection base 150 is fixedly connected to the back of the shell 100, and a pin 152 is fixedly connected to the connection base 150, so that the user can wear the device on the chest to feel the vibration signal warning, ensuring that the device will not fall off during movement. At the same time, the pin 152 is worn under the clothes, which is not easily noticed by the outside world, thereby improving the concealment of the device.
[0052] In one embodiment, two protruding mounting holes 151 are provided in the middle of the connecting seat 150 , one end of the pin 152 is inserted into the mounting hole 151 , and the pin 152 has a needle tip facing outward.
[0053] In this embodiment, refer to Figure 1Specifically, two protruding mounting holes 151 are provided in the middle of the connecting seat 150 for fixing the pin 152. One end of the pin 152 is inserted into the mounting hole 151 to ensure that the pin 152 is tightly connected to the connecting seat 150. The pin 152 has one end with the needle tip facing outward, which is convenient for fixing it on the clothes to ensure that the device will not fall off during the movement.
[0054] As needed, the above-mentioned installation, setting, provision or connection methods include but are not limited to installation, setting or connection by screws, riveting, welding or socketing, fixing, etc., and the installation, setting or connection method is selected according to the needs of the working scenario.
[0055] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.
Claims
1. A multifunctional sensor early warning detection device, characterized in that: include: A housing (100), a microwave sensor (200), a signal receiver (300), an operational amplifier (400), and a vibration mechanism; The microwave sensor (200), the signal receiver (300) and the vibration mechanism are all installed in the housing (100); A mounting plate (110) is arranged in the housing (100), the microwave sensor (200) is mounted on the mounting plate (110), the microwave sensor (200) is used to detect a human body distance signal, the signal receiver (300) is fixedly connected to a side of the microwave sensor (200), and the signal receiver (300) is electrically connected to the microwave sensor (200) to receive a human body distance signal detected by the microwave sensor (200); The back of the housing (100) is provided with an outwardly protruding placement groove (120), the vibration mechanism is installed in the placement groove (120), the operational amplifier (400) is installed on the side of the signal receiver (300), and the operational amplifier (400), the vibration mechanism and the microwave sensor (200) are electrically connected; The operational amplifier (400) is provided with a distance threshold signal, and when the human body distance signal detected by the microwave sensor (200) is smaller than the distance threshold signal, the operational amplifier (400) sends a start signal to the vibration mechanism.
2. The multifunctional sensor early warning detection device according to claim 1, characterized in that: A frequency conversion controller (600) is fixedly installed on the side of the vibration mechanism, and the frequency conversion controller (600) is used to control the vibration frequency of the vibration mechanism. The frequency conversion controller (600), the vibration mechanism and the operational amplifier (400) are electrically connected; The frequency conversion controller (600) adjusts the vibration amplitude of the vibration mechanism according to the value of the distance signal.
3. The multifunctional sensor early warning detection device as claimed in claim 2, characterized in that: The vibration mechanism comprises a motor (510), an eccentric wheel (520) and a metal plate (530); The motor (510) is fixedly mounted on the mounting plate (110), the eccentric wheel (520) is mounted in the placement groove (120), the eccentric wheel (520) is coaxially connected to the output shaft of the motor (510), the metal plate (530) is mounted on the end of the eccentric wheel (520) away from the motor (510), the metal plate (530) is fixedly connected to the eccentric wheel (520), and the end of the metal plate (530) away from the eccentric wheel (520) is in contact with the inner wall of the placement groove (120).
4. The multifunctional sensor early warning detection device according to claim 1, characterized in that: A battery compartment (130) is provided at a side end of the housing (100), and a battery is arranged in the battery compartment (130).
5. The multifunctional sensor early warning detection device as claimed in claim 4, characterized in that: A battery cover (140) adapted to the battery compartment (130) is arranged on the top of the battery compartment (130), a convex wall (141) is convexly arranged on the inner side of the battery cover (140) near the edge, and a waterproof strip (142) is arranged on the outer side of the convex wall (141).
6. The multifunctional sensor early warning detection device according to claim 1, characterized in that: The back of the housing (100) is fixedly connected to a connection seat (150), and the connection seat (150) is fixedly connected to a pin (152).
7. The multifunctional sensor early warning detection device according to claim 6, characterized in that: Two protruding mounting holes (151) are arranged in the middle of the connecting seat (150), one end of the pin (152) is inserted into the mounting hole (151), and the pin (152) has a needle tip facing outward.