CN212749282U - Human body induction detection device for toilet - Google Patents
Human body induction detection device for toilet Download PDFInfo
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- CN212749282U CN212749282U CN202021841467.6U CN202021841467U CN212749282U CN 212749282 U CN212749282 U CN 212749282U CN 202021841467 U CN202021841467 U CN 202021841467U CN 212749282 U CN212749282 U CN 212749282U
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Abstract
The utility model provides a human response detection device for bathroom, which comprises an outer shell, the bottom of shell is equipped with the round hole, the round hole internal fixation sets up a light filter, the intracavity of shell sets up an infrared sensor, infrared sensor is located the light filter top and corresponds with the light filter, and the intracavity of shell still sets up a microwave Doppler inductive sensor, microwave Doppler inductive sensor installs on the inner wall of shell, and a control circuit board is fixed in the shell, last microprocessor, power supply circuit module, the wiFi circuit module of being equipped with of control circuit board, power supply circuit module, wiFi circuit module, infrared sensor, microwave Doppler inductive sensor equally divide and do not be connected with microprocessor through the wire, shell upper end is fixed with a mounting panel joint, is equipped with on this mounting panel and crosses line hole power supply line and passes.
Description
Technical Field
The utility model relates to a human response detects technical field, in particular to a human response detection device for bathroom.
Background
Along with the gradual perfection of urban infrastructure, public washrooms are distributed in all places of cities, and because the mobility of personnel in the public washrooms is large, and a large number of people go to the public washrooms by one person alone, if the public washrooms are subjected to the conditions of falling and the like, people outside the washrooms cannot timely know the conditions inside, so that the falling patients cannot be timely treated, and serious consequences are caused. In addition, the old people in the old care institutions and the old living alone have more basic diseases such as the old diseases, the old people are more likely to fall down, fall down and the like in the toilets in the places, and if the old people cannot be found to fall down in time, serious consequences are easily caused due to delayed treatment. At present, a pyroelectric infrared sensor is often adopted for human body induction detection, but the pyroelectric infrared sensor is easily influenced by environmental changes, factors such as temperature, air flow and the like are interfered easily to cause the infrared sensor to be misjudged, and a toilet is in a humid, stuffy and unventilated environment for a long time, so that whether the human body exists or not can not be accurately detected by using the pyroelectric infrared sensor in the toilet, and in addition, the pyroelectric infrared sensor can only detect the position of a person, but can not detect the movement speed, so that whether the human body is moving or not can not be detected.
Disclosure of Invention
The utility model aims at prior art not enough, provide a human response detection device for bathroom, it can accurate detection human body whether exist and the human activity condition, and install simple structure, simple to operate.
The technical scheme of the utility model is that: the utility model provides a human response detection device for bathroom, which comprises an outer shell, the bottom of shell is equipped with the round hole, the round hole internal fixation sets up a light filter, the intracavity of shell sets up an infrared sensor, infrared sensor is located the light filter top and corresponds with the light filter, and the intracavity of shell still sets up a microwave Doppler inductive sensor, microwave Doppler inductive sensor installs on the inner wall of shell, and a control circuit board is fixed in the shell, last microprocessor, power supply circuit module, the wiFi circuit module of being equipped with of control circuit board, power supply circuit module, wiFi circuit module, infrared sensor, microwave Doppler inductive sensor equally divide and do not be connected with microprocessor through the wire, shell upper end is fixed with a mounting panel joint, is equipped with on this mounting panel and crosses line hole power supply line and passes.
Furthermore, the inner wall of the shell is provided with a positioning flange, and the control circuit board is fixed on the positioning flange through screws.
Furthermore, the inside wall of shell is equipped with a plurality of assembly guide ways, a plurality of assembly guide protruding and assembly guide way on the control circuit board correspond.
Further, the shell is in a shape of a circular truncated cone, and the mounting plate is circular.
Furthermore, be equipped with a plurality of stopping draw-in grooves on the circumference lateral wall of mounting panel, the accent end of shell is equipped with a plurality of inwards extending's stopping block tongue, stopping block tongue corresponds with the stopping draw-in groove.
Furthermore, the stopping clamping groove comprises a through groove extending longitudinally, a limiting groove extending along the circumference of the mounting plate is arranged on the groove wall of the through groove, the length of the limiting groove is smaller than that of the through groove, and the groove depth of the limiting groove is larger than that of the through groove.
Further, a gap between the control circuit board and the shell is filled with silicon rubber for sealing.
Further, the infrared sensor is an infrared laser ranging sensor.
Adopt above-mentioned technical scheme: whether there is human process in can detecting the detection range through the infrared sensor who sets up in the shell chamber to judge whether the human body gets into or leaves, shell bottom fixed light filter, and infrared sensor corresponds with the light filter, can filter other light waves except the infrared light through this light filter, only infrared light energy passes the light filter and gets into the shell intracavity, avoids the natural light to cause the interference to infrared sensor, improves infrared sensor's the detection accuracy. The microwave Doppler inductive sensor arranged in the cavity of the shell can judge whether the human body moves or not by identifying the movement speed of the human body. The upper end of the shell is clamped and fixed with the mounting plate, the device can be mounted on a ceiling of a toilet through the mounting plate, and the device can be mounted on the ceiling close to a toilet door during mounting, so that whether a person enters the toilet or not can be detected conveniently. Be equipped with microprocessor on the control circuit board of shell internal fixation, power supply circuit module, wiFi circuit module, and power supply circuit module, wiFi circuit module, infrared sensor, microwave Doppler inductive sensor is equallyd divide and is connected with microprocessor through the wire, when infrared sensor detects someone and gets into or leaves detection range, send corresponding signal to microprocessor, and when microwave Doppler inductive sensor detects that there is human activity in the detection range, can give microprocessor with signal transmission equally, microprocessor carries out the integrated processing to received infrared sensor and microwave Doppler inductive sensor's signal, form the real-time judgement to human position and activity condition, and send this real-time data to central server through wiFi circuit module, then the staff can look over the real-time condition at the background. Therefore, whether this device can not only detect someone through infrared sensor and get into the bathroom, can also detect whether there is the activity of human body in the bathroom through microwave doppler inductive transducer, in case take place someone in the bathroom and fall down or fall down the condition, can in time inform the people outside the bathroom through this device, greatly improve the detection accuracy of this device. Because this device has adopted wiFi circuit module and central server to realize data transmission, only need a power cord can work, can greatly simplify circuit layout, can reduce the line hole quantity of crossing of whole device moreover, dampproofing dustproof effect is better, improves the leakproofness of this device, increase of service life.
The inner wall of the shell is provided with a positioning flange, the control circuit board is fixed on the positioning flange through screws, during assembly, the control circuit board is axially positioned through the positioning flange and then fixed on the positioning flange through the screws, and therefore the control circuit board is simple to assemble and reliable in connection.
The inside wall of shell is equipped with a plurality of assembly guide ways, a plurality of assembly guide are protruding to correspond with the assembly guide way on the control circuit board, will assemble the protruding assembly guide that aims at of guide and can make control circuit board insert the shell internal positioning, the assembly of the control circuit board of being convenient for.
The shell is round platform shape, the mounting panel is circular, designs the shell for round platform shape, and the diameter of bottom is less than the diameter of upper end, and is pleasing to the eye in appearance, and can prevent that drop of water large tracts of land from gathering on the device surface, guarantees the accuracy of detection.
Be equipped with a plurality of stopping draw-in grooves on the circumference lateral wall of mounting panel, the accent end of shell is equipped with a plurality of inwards extending's stopping block tongue, the stopping block tongue corresponds with the stopping draw-in groove, and shell and mounting panel are fixed through stopping block tongue and stopping draw-in groove joint, connect reliably, assemble portably.
The stopping clamping groove comprises a longitudinally extending through groove, a limiting groove extending along the circumference of the mounting plate is formed in the groove wall of the through groove, the length of the limiting groove is smaller than that of the through groove, the groove depth of the limiting groove is larger than that of the through groove, during installation, the stopping clamping tongue of the shell is only required to be aligned to the through groove to be inserted, and then the stopping clamping tongue is rotated towards the direction of the limiting groove, so that the stopping clamping tongue can be clamped into the limiting groove to be fixed.
The gap between the control circuit board and the shell is filled with silicon rubber for sealing, thereby playing the roles of water resistance, moisture resistance and dust prevention and adapting to the environment of a toilet.
The infrared sensor is an infrared laser ranging sensor which emits infrared beams outwards, when the emitted infrared beams irradiate the human body, the infrared beams are reflected, the infrared laser ranging sensor compares and analyzes the emission time of the infrared beams and the reflection and receiving time of the infrared beams, and calculates the real-time distance between the human body and the human body, so that whether the human body enters or leaves the toilet is judged.
The invention is further described with reference to the drawings and the specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly of the present invention;
fig. 3 is a circuit block diagram of the control circuit board.
Detailed Description
Referring to fig. 1 to 3, an embodiment of a human body sensing detection device for a toilet includes a housing 1, the housing 1 is in a truncated cone shape, the diameter of the bottom of the truncated cone-shaped housing is smaller than that of the upper end, the appearance is attractive, water drops are not easily gathered on the outer surface of the device, and the device is suitable for a wet environment of the toilet. The bottom of the shell 1 is provided with a round hole 2, an optical filter 3 is fixedly arranged in the round hole 2, and the optical filter 3 can be fixedly connected with the shell 1 in an adhesion mode. An infrared sensor 4 is arranged in the cavity of the shell 1, and whether a human body passes through the infrared sensor 4 in a detection range can be detected, so that the human body entering or leaving is judged. The infrared sensor 4 is located above the optical filter 3 and corresponds to the optical filter 3, a detection probe of the infrared sensor 4 is aligned to the optical filter 3, the optical filter 3 is used for filtering natural light, interference of the natural light on the infrared sensor 4 is avoided, and detection accuracy of the infrared sensor 4 is improved. The intracavity of shell 1 still sets up a microwave doppler inductive transducer 5, microwave doppler inductive transducer 5 installs on the inner wall of shell 1, can discern human movement velocity through microwave doppler inductive transducer to judge whether human is moving. The upper end of the shell 1 is fixedly connected with a mounting plate 10 in a clamping mode, the mounting plate 10 is circular, the device can be mounted on a ceiling of a toilet through the mounting plate 10, the device can be mounted on the ceiling close to a toilet door during mounting, whether a person enters the toilet or not can be conveniently detected, and a power supply line passing through a line passing hole 10-4 is formed in the mounting plate 10. The anti-return device is characterized in that a plurality of anti-return clamping grooves 10-1 are formed in the circumferential side wall of the mounting plate 10, a plurality of anti-return clamping tongues 1-3 extending inwards are arranged at the cavity opening end of the shell 1, the anti-return clamping tongues 1-3 correspond to the anti-return clamping grooves 10-1, the anti-return clamping grooves 10-1 comprise through grooves 10-2 extending longitudinally, limiting grooves 10-3 extending along the circumference of the mounting plate 10 are formed in the groove walls of the through grooves 10-2, the length of each limiting groove 10-3 is smaller than that of the corresponding through groove 10-2, the depth of each limiting groove 10-3 is larger than that of the corresponding through groove 10-2, during installation, the anti-return clamping tongues 1-3 of the shell 1 are inserted into the corresponding through grooves 10-2 only by aligning the anti-return clamping tongues 1-3 of the shell 1 to the corresponding through grooves 10-2 and then rotate towards the direction of the, therefore, the shell 1 and the mounting plate 10 are clamped and fixed, the connection is reliable, and the assembly is simple and convenient. When the device is installed, the mounting plate 10 can be fixed on a ceiling through screws, then the backstop clamping tongue 1-3 of the shell 1 is inserted into the through groove of the backstop clamping groove 10-1 in an aligning mode, the installation can be completed by rotating the backstop clamping tongue 1-3 to be clamped into the limiting groove of the backstop clamping groove 10-1, and the mounting plate 10 and the shell 1 are both made of flame-retardant PC. Because the wall body interferes with the detection of the infrared sensor 4, and the infrared sensor 4 has a certain divergence angle, the detection device is installed on the ceiling above the center of the toilet door, and the distance between the position and the wall surface of the toilet door is 25-30 cm optimal.
The control circuit board 6 is fixed in the shell 1, a positioning flange 1-1 is arranged on the inner wall of the shell, the control circuit board 6 is fixed on the positioning flange 1-1 through screws, a plurality of assembly guide grooves 1-2 are formed in the inner side wall of the shell 1, a plurality of assembly guide protrusions 6-1 on the control circuit board 6 correspond to the assembly guide grooves 1-2, the control circuit board 6 can be inserted into the shell 1 by aligning the assembly guide protrusions 6-1 to the assembly guide grooves 1-2 during assembly, axial positioning is formed on the control circuit board 6 through the positioning flange 1-1, and the control circuit board 6 and the positioning flange 1-1 are fixedly connected through the screws. And silicon rubber is filled in a gap between the control circuit board 6 and the shell 1 for sealing, so that the waterproof, moistureproof and dustproof effects are achieved, and the toilet environment is adapted. The control circuit board 6 is provided with a microprocessor 7, a power circuit module 8 and a WiFi circuit module 9, the power circuit module 8, the WiFi circuit module 9, the infrared sensor 4 and the microwave Doppler inductive sensor 5 are respectively connected with the microprocessor 7 through leads, a stable working power supply is provided for the control circuit through the power circuit module 8, when the infrared sensor 4 detects that a person is in a detection range, corresponding signals are sent to the microprocessor 7, and when the microwave Doppler inductive sensor 5 detects that the person moves in the detection range, the signals are also sent to the microprocessor 7, the microprocessor 7 carries out comprehensive processing on the received signals of the infrared sensor 4 and the microwave Doppler inductive sensor 5, so that the real-time judgment on the position and the movement condition of the person is formed, and the real-time data are sent to a central server through the WiFi circuit module 9, the staff can view the real-time situation in the background.
The infrared sensor 4 of this embodiment adopts infrared laser range finding sensor, and this infrared laser range finding sensor is integrated to have physics infrared filter and optical element, adopts 1 type stealthy laser emitter, and it is high to detect the accuracy, and the range finding can reach 4m to the longest, and the communication adopts I2And the interface C has high data transmission speed. When the infrared laser ranging sensor operates, the infrared laser ranging sensor emits infrared beams outwards, when a human body enters an irradiation range of the infrared beams to shield the infrared beams, the infrared beams irradiate the human body and are reflected, the reflected infrared beams pass through the optical filter and are received by the detection probe, then the infrared laser ranging sensor compares and analyzes the emission time of the infrared beams and the receiving time of the reflected infrared beams, and the real-time human body distance is calculated.
The microwave doppler induction sensor 5 of the present embodiment is integrated with a driving IC, a driving circuit, a microwave transmitting antenna and a microwave receiving antenna, and the maximum detection radius can reach 7 m.
The WiFi circuit module 9 of this embodiment adopts an ESP8266 chip, and its interior is integrated with a 32-bit tenslica MCU, a standard digital peripheral interface, an antenna switch, a radio frequency balun, a power amplifier, a low noise amplifier, a filter, a power management module, etc., and has wireless AP and STA functions, supports a WiFi 2.4G 802.11 b/G/n protocol, and can connect to most routers in the market. The circuit module can reduce the volume of the peripheral driving circuit, thereby reducing the volume of the device.
The detection state of the device in use is as follows:
(1) when no human body moves in the detection range, the signals detected by the microwave Doppler sensing sensor 5 and the infrared laser ranging sensor are unchanged, and the signals of the microwave Doppler sensing sensor and the infrared laser ranging sensor are comprehensively analyzed by the microprocessor 7, so that the human body movement state at the moment can be known as follows: is not human.
(2) When a person enters a toilet, the microwave Doppler inductive sensor 5 detects the movement of the human body and is triggered to output a high-level signal; the infrared laser ranging sensor can shield the emitted infrared light beam due to the entering of a human body, so that the ranging change is generated; the microprocessor 7 comprehensively analyzes the signals of the two signals, and the human activity state at the moment can be known as follows: a person enters the toilet.
(3) After a human body enters a toilet and moves in the toilet, the microwave Doppler sensing sensor 5 is frequently triggered, and because the detection range of the infrared laser ranging sensor is close to a toilet door, the detection signal of the infrared laser ranging sensor cannot change at the moment, and the microprocessor synthesizes molecules of the signals of the infrared laser ranging sensor and the infrared laser ranging sensor, so that the activity state of the human body at the moment can be known as follows: the human body has activities in the toilet.
(4) After the human body enters the toilet, when the human body is static in the toilet, the detection signals of the microwave Doppler sensing sensor 5 and the infrared laser ranging sensor are not changed, and the microprocessor 7 comprehensively analyzes the signals of the microwave Doppler sensing sensor and the infrared laser ranging sensor, so that the activity state of the human body at the moment can be known as follows: the human body is at rest in the toilet.
(5) When the human body is in the quiescent condition in the bathroom, this device will start quiescent timing mode, when the timing surpasss the total duration of settlement, starts quiescent overtime warning to send alarm information to central server through wiFi circuit module 9, in time inform staff or family to get into the bathroom and look over, human activity state is this moment: the human body is still in the toilet and overtime.
(6) When the people leaves from the bathroom, the microwave Doppler inductive sensor periodically detects the movement of the human body, meanwhile, the infrared laser ranging sensor enters the detection range when the human body leaves, the infrared light beam is shielded, the ranging change is generated, the microprocessor 7 comprehensively analyzes the signals of the infrared laser ranging sensor and the infrared laser ranging sensor, and the activity state of the human body at the moment can be known as follows: the human body leaves from the toilet.
When the device is used for detection, the detection of the states is carried out in a circulating mode, so that the real-time judgment of the position and the motion condition of the human body is realized.
This device can not only detect whether someone gets into the bathroom through infrared sensor 4, can also detect whether there is the activity of human body in the bathroom through microwave doppler inductive transducer, fuses by infrared sensor 4 and microwave doppler inductive transducer 5 and forms dual detection, in case take place someone in the bathroom and fall down or fall down the condition, can be through the timely people's sending alarm signal outside the bathroom of this device, can greatly improve the detection accuracy of this device. Moreover, because this device has adopted wiFi circuit module 9 and central server to realize data transmission, only need a power cord can work, can greatly simplify circuit layout, can reduce the line hole quantity of crossing of whole device moreover, dampproofing dustproof effect is better, improves the leakproofness of this device, increase of service life. In addition, the device has the advantages of simple structure, compact arrangement of internal components, small volume, simple and convenient assembly and high applicability.
Claims (8)
1. A human response detection device for bathroom which characterized in that: comprises a shell (1), the bottom of shell (1) is equipped with round hole (2), round hole (2) internal fixation sets up a light filter (3), the intracavity of shell (1) sets up an infrared sensor (4), infrared sensor (4) are located light filter (3) top and correspond with light filter (3), the intracavity of shell (1) still sets up a microwave Doppler inductive sensor (5), microwave Doppler inductive sensor (5) are installed on the inner wall of shell (1), a control circuit board (6) is fixed in shell (1), be equipped with microprocessor (7), power circuit module (8), wiFi circuit module (9) on control circuit board (6), power circuit module (8), wiFi circuit module (9), infrared sensor (4), microwave Doppler inductive sensor (5) are equallyd divide and are connected with microprocessor (7) through the wire respectively, the upper end of the shell (1) is clamped and fixed with a mounting plate (10), and the mounting plate (10) is provided with a wire passing hole (10-4) for a power supply wire to pass through.
2. The human body induction detecting device for the toilet according to claim 1, wherein: the inner wall of the shell (1) is provided with a positioning flange (1-1), and the control circuit board (6) is fixed on the positioning flange (1-1) through screws.
3. The human body induction detecting device for the toilet according to claim 1, wherein: the inner side wall of the shell (1) is provided with a plurality of assembling guide grooves (1-2), and a plurality of assembling guide protrusions (6-1) on the control circuit board (6) correspond to the assembling guide grooves (1-2).
4. The human body induction detecting device for the toilet according to claim 1, wherein: the shell (1) is in a circular truncated cone shape, and the mounting plate (10) is circular.
5. The human body induction detecting device for the toilet according to claim 4, wherein: the installation structure is characterized in that a plurality of stopping clamping grooves (10-1) are formed in the circumferential side wall of the installation plate (10), a plurality of inwards extending stopping clamping tongues (1-3) are arranged at the cavity opening end of the shell (1), and the stopping clamping tongues (1-3) correspond to the stopping clamping grooves (10-1).
6. The human body induction detecting device for the toilet according to claim 5, wherein: the retaining clamping groove (10-1) comprises a through groove (10-2) extending longitudinally, a limiting groove (10-3) extending along the circumference of the mounting plate (10) is arranged on the groove wall of the through groove (10-2), the length of the limiting groove (10-3) is smaller than that of the through groove (10-2), and the groove depth of the limiting groove (10-3) is larger than that of the through groove (10-2).
7. The human body induction detecting device for the toilet according to claim 1, wherein: and silicon rubber is filled in a gap between the control circuit board (6) and the shell (1) for sealing.
8. The human body induction detecting device for the toilet according to claim 1, wherein: the infrared sensor (4) is an infrared laser ranging sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841467.6U CN212749282U (en) | 2020-08-28 | 2020-08-28 | Human body induction detection device for toilet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841467.6U CN212749282U (en) | 2020-08-28 | 2020-08-28 | Human body induction detection device for toilet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212749282U true CN212749282U (en) | 2021-03-19 |
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ID=74991935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021841467.6U Active CN212749282U (en) | 2020-08-28 | 2020-08-28 | Human body induction detection device for toilet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212749282U (en) |
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2020
- 2020-08-28 CN CN202021841467.6U patent/CN212749282U/en active Active
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