CN214846800U - Infrared passenger flow counting device - Google Patents
Infrared passenger flow counting device Download PDFInfo
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- CN214846800U CN214846800U CN202121320370.5U CN202121320370U CN214846800U CN 214846800 U CN214846800 U CN 214846800U CN 202121320370 U CN202121320370 U CN 202121320370U CN 214846800 U CN214846800 U CN 214846800U
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- passenger flow
- pyroelectric sensor
- circuit board
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Abstract
The utility model discloses an infrared passenger flow counting assembly, include: the device comprises a main control chip, a pyroelectric sensor, a Fresnel lens, a Bluetooth module, a cover plate, a box body with a cavity and a circuit board; the main control chip, the pyroelectric sensor and the Bluetooth module are respectively arranged on a circuit board, and the circuit board is clamped between the box body and the cover plate and is positioned in the cavity; the pyroelectric sensor is connected with the main control chip and used for detecting infrared signals released by pedestrians entering the physical store; the Fresnel lens is used for converging the infrared signals; a pore corresponding to the position of the Fresnel lens is arranged on the cover plate and used for limiting the detection range of the pyroelectric sensor to the infrared signal; the Bluetooth module is connected with the pyroelectric sensor and used for transmitting a response signal obtained by detecting the change of the infrared signal by the pyroelectric sensor to a preset data receiving terminal in the entity shop. The device can be used in a wireless scene, and can improve the statistical accuracy of the passenger flow in the entity shop.
Description
Technical Field
The embodiment of the utility model provides an infrared detection technique especially relates to an infrared passenger flow counting assembly.
Background
In the existing infrared passenger flow statistics technology, a correlation infrared sensor is mostly used to collect data, i.e. an infrared emitting end and an infrared receiving end (or called as a reflecting plate), and statistics of the number of passing times is performed by judging whether an object blocks infrared rays to generate triggering, as shown in fig. 1. However, the technology has no way of identifying whether an object or a pedestrian passes through, so that the accuracy of passenger flow statistics is very low; and the working current of the correlation infrared sensor is generally milliampere level, the power consumption is large, the correlation infrared sensor is not suitable for being used in a wireless (built-in power supply) scene, an external power supply is needed, and the installation difficulty is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides an infrared passenger flow counting assembly to solve among the prior art the passenger flow statistics the rate of accuracy lower, be not suitable for the problem of wireless scene.
The embodiment of the utility model provides an infrared passenger flow counting assembly, infrared passenger flow counting assembly lays in the entity shop, infrared passenger flow counting assembly includes: the device comprises a main control chip, a pyroelectric sensor, a Fresnel lens covered above the pyroelectric sensor, a Bluetooth module, a cover plate, a box body with a cavity and a circuit board;
the main control chip, the pyroelectric sensor and the Bluetooth module are respectively arranged on the circuit board, and the circuit board is clamped between the box body and the cover plate and is positioned in the cavity;
the pyroelectric sensor is connected with the main control chip and used for detecting infrared signals released by pedestrians entering the physical store; the Fresnel lens is used for converging the infrared signals; a pore corresponding to the position of the Fresnel lens is arranged on the cover plate and used for limiting the detection range of the pyroelectric sensor on the infrared signal;
the Bluetooth module is connected with the pyroelectric sensor and used for transmitting a response signal obtained by detecting the infrared signal change by the pyroelectric sensor to a preset data receiving terminal in the entity shop.
Optionally, the master control chip is connected to the bluetooth module, and is configured to drive the bluetooth module to correct a time node at which the pyroelectric sensor detects an infrared signal; the main control chip is also used for inquiring the time node when the pyroelectric sensor is triggered by the infrared signal.
Optionally, the infrared passenger flow counting device further comprises a power supply, the power supply is connected with the main control chip, the pyroelectric sensor and the bluetooth module respectively, and the power supply is installed in a power supply terminal seat arranged on the circuit board.
Optionally, an operating switch button is arranged on the circuit board, and a switch hole site for fixing the operating switch button is arranged on the cover plate.
Optionally, a diode indicator light is arranged on the circuit board, and the diode indicator light is connected with the operation switch button.
Optionally, a light guide column is arranged on the cover plate, and the position of the light guide column is clamped with the position of the diode indicator lamp.
Optionally, the inner peripheral side of the box body is provided with a vertical wall surface, the wall surface is provided with a first connecting piece, and the inner side of the cover plate is provided with a second connecting piece matched with the first connecting piece.
Optionally, the first connector comprises a positioning rib, and the positioning rib is perpendicular to the cover plate; the second connecting piece comprises a slot matched with the positioning rib.
Optionally, the first connecting piece includes a first upright, the second connecting piece includes a second upright, a limiting structure is arranged on the circuit board, and the first upright and the second upright are respectively clamped on two sides of the limiting structure; one side of the box body is also provided with a charging port.
Optionally, the shape of the cover plate is the same as that of the box body, and the volume of the circuit board is smaller than that of the box body.
The embodiment of the utility model provides an infrared passenger flow counting assembly, infrared passenger flow counting assembly lay in the entity shop, and infrared passenger flow counting assembly includes: the device comprises a main control chip, a pyroelectric sensor, a Fresnel lens covering the pyroelectric sensor, a Bluetooth module, a cover plate, a box body with a cavity and a circuit board; the main control chip, the pyroelectric sensor and the Bluetooth module are respectively arranged on a circuit board, and the circuit board is clamped between the box body and the cover plate and is positioned in the cavity; the pyroelectric sensor is connected with the main control chip and used for detecting infrared signals released by pedestrians entering the physical store; the Fresnel lens is used for converging the infrared signals; a pore corresponding to the position of the Fresnel lens is arranged on the cover plate and used for limiting the detection range of the pyroelectric sensor to the infrared signal; the Bluetooth module is connected with the pyroelectric sensor and used for transmitting a response signal obtained by detecting the change of the infrared signal by the pyroelectric sensor to a preset data receiving terminal in the entity shop. The infrared passenger flow counting device can narrow and limit the range of infrared signals detected by the pyroelectric sensor through the covering effect of the Fresnel lens and the cover plate on the pyroelectric sensor, so that the narrowed detection range is matched with the vertical projection thickness of a human body, the influence of the infrared signals released by objects entering and exiting a shop on passenger flow statistics can be eliminated, and the statistical precision of the passenger flow entering and exiting the entity shop is improved; simultaneously, parts such as pyroelectric sensor, fresnel lens, bluetooth module are integrated on the circuit board, with the circuit board joint in the box body that has the cavity for infrared passenger flow counting assembly's is small, the integrated level is high, easily install the optional position in the entity shop, bluetooth module can assist the communication between infrared passenger flow counting assembly and the data receiving terminal, realize the convenient application of device in wireless scene, and the mode of being connected to the terminal through bluetooth agreement communication is more reliable, data transmission's accuracy is high.
Drawings
FIG. 1 is a schematic diagram of a correlation type infrared sensor in the prior art;
fig. 2 is a schematic structural diagram of an infrared passenger flow counting device provided in an embodiment of the present invention;
fig. 3 is a three-view diagram of a box body in the infrared passenger flow counting device provided by the embodiment of the present invention;
fig. 4 is a three-view diagram of a cover plate in the infrared passenger flow counting device provided by the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the embodiments of the present invention, the terms "first" and "second" are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Fig. 2 is a schematic structural diagram of an infrared passenger flow counting device provided by the embodiment of the present invention.
The embodiment of the utility model provides an infrared passenger flow counting assembly, this infrared passenger flow counting assembly can install in the entity shop and carry out the region that the passenger flow counted wantonly, can set up the position such as gate in the shop gate of entity shop, the fitting room gate in shop, the gate of display subregion.
As shown in fig. 2, the infrared passenger flow counting device 2000 includes: the pyroelectric infrared detection device comprises a main control chip 201, a pyroelectric sensor 202, a Fresnel lens 203 covered above the pyroelectric sensor, a Bluetooth module 204, a cover plate 100, a box body 300 with a cavity and a circuit board 200.
Wherein, main control chip 201, pyroelectric sensor 202, bluetooth module 204 set up respectively on circuit board 200, and with specific mounted position, circuit board 200 can the joint between box body 300 and apron 100, be located in the cavity, for example can set up the joint structure on box body 300, set up the chucking structure that matches with this joint structure on apron 100 for fixed circuit board 200 is in the cavity of box body 300.
Preferably, the main control chip 201 may be a MCU chip, the pyroelectric sensor 202 may be an AS312 type pyroelectric sensor, the fresnel lens 203 may be an 8120-2 type fresnel lens, and the bluetooth module 204 may be a bluetooth low energy module of PHY 6202.
On the circuit board 200, the pyroelectric sensor 202 is connected with a main control chip 201 and is used for detecting infrared signals released by pedestrians entering a physical store; the fresnel lens 203 is used for converging an infrared signal to enter the pyroelectric sensor 202; a pore 1001 corresponding to the position of the fresnel lens 203 is formed in the cover plate 100, and the pore 1001 is used for limiting the detection range of the pyroelectric sensor 202 on the infrared signal; the size of the aperture 1001 can determine the shielding degree of the fresnel lens 203 for gathering the infrared signal, and can limit the detection range of the infrared passenger flow counting device 2000 for the infrared signal released by the human body, and the detection range is beneficial to detecting pedestrians entering and exiting the physical store. It can be understood that, the detection area for detecting the passenger flow volume in the shop area is determined by the signal detection range formed by superimposing the pyroelectric sensor 202, the fresnel lens 203 and the cover plate 100 with the hole 1001, the effective triggering range of the detection area is as close as possible to a small sector, the problem that the front and rear feet can only count by one person when following into the entity shop in the traditional infrared sensing technology can be solved, the detection area determined in the embodiment is close to the vertical projection thickness of a human body, the detection area can be triggered at the same time, two or more people with the front and rear feet can be effectively distinguished and counted, and the counting precision of the passenger flow volume entering the entity shop is improved.
On the circuit board 200, the bluetooth module 204 is connected to the pyroelectric sensor 202, and is configured to transmit a response signal obtained by detecting a change in an infrared signal by the pyroelectric sensor 202 to a data receiving terminal preset in a physical store, where the data receiving terminal in this embodiment refers to a terminal device for receiving data, and may include a mobile phone, a tablet, a computer, a cash register, and the like, and this embodiment is not limited thereto. The data receiving terminal can be paired with the Bluetooth module 204 through a Bluetooth protocol, and is used for storing data transmitted by the Bluetooth module 204 in a local memory for analysis and calculation, optionally, in order to further save the local memory, improve the efficiency of data calculation and reduce the abnormal risk of terminal equipment, the data receiving terminal can be controlled to periodically upload a response signal obtained by converting an infrared signal detected by the pyroelectric sensor 202 to a cloud server for storage, the cloud server is used for carrying out statistical analysis on the response signal, and a statistical result of passenger flow in an entity shop is obtained.
In a preferred embodiment of the present invention, the main control chip is connected to the bluetooth module, and since the bluetooth module can communicate with the data receiving terminal, the data receiving terminal can send the time synchronization command and the data transmission command to the bluetooth module, and when the bluetooth module successfully receives the time synchronization command and the data transmission command, the main control chip can be used to drive the bluetooth module to correct the time node of the pyroelectric sensor detecting the infrared signal; the main control chip can also be used for inquiring a time node when the pyroelectric sensor is triggered by the infrared signal, receiving a response signal generated by the pyroelectric sensor detecting the change of the infrared signal, synchronously coding the time node and the response signal, and storing the coded response signal and the time node, so that the space for storing data is saved, and the efficiency of data transmission is improved; meanwhile, as the time nodes coded by the specific coding mode are bound with the response signals, the time nodes can accurately reflect the time of triggering the detection areas by the pedestrians, and the time nodes are more accurate than the time nodes which are directly recorded with the triggering times in the prior art, so that the sequence of the detection areas triggered by a plurality of pedestrians entering the physical store in sequence can be accurately distinguished, and the pedestrians which trigger the detection areas almost simultaneously by the front and rear feet can not be distinguished by simply recording the triggering times without recording the specific time nodes in the prior art, and the time nodes and the response signals are adopted for binding and analyzing the passenger flow, so that the precision of passenger flow statistics can be improved.
The utility model discloses an in the embodiment, infrared passenger flow counting assembly still includes the power, and this power can be connected with main control chip, pyroelectric sensor, bluetooth module respectively for a plurality of parts power supply on the circuit board such as main control chip, pyroelectric sensor, bluetooth module are provided with power terminal seat on the circuit board, and this power can be installed on this power terminal seat.
In an embodiment of the present invention, the circuit board may be provided with an operating switch button, and the operating switch button is used to turn on and off the infrared passenger flow counting device; the cover plate is provided with a switch hole site for fixing the operating switch button, and the switch hole site can be used for avoiding the false triggering phenomenon caused by the fact that the cover plate touches the operating switch button in the shaking process of the infrared passenger flow counting device.
In this embodiment, a diode indicator light is further disposed on the circuit board, the diode indicator light is connected to the operation switch button, and the diode indicator light is turned on when the operation switch button is triggered. Meanwhile, a light guide column is arranged on the cover plate, the position of the light guide column is clamped with the position of a diode indicating lamp on the circuit board, and the light guide column is used for transmitting light of the diode indicating lamp to prompt a user that the infrared passenger flow counting device is started.
In an embodiment of the present invention, the inner periphery of the case has a vertical wall surface, the wall surface is provided with a first connecting member, and the inner side of the cover plate is provided with a second connecting member matching the first connecting member.
In this embodiment, the first connector includes a positioning rib, the positioning rib being perpendicular to the cover plate; the second connecting piece comprises a slot matched with the positioning rib.
Optionally, in this embodiment, the first connecting member includes a first upright, the second connecting member includes a second upright, the circuit board is provided with a limiting structure, the first upright and the second upright are respectively clamped on two sides of the limiting structure, the limiting structure may be a groove or a hole, this embodiment does not limit this, preferably, the number of the first upright and the second upright is the same, and this embodiment does not limit the specific number of the first upright and the second upright; because the utility model provides a power among the infrared passenger flow counting assembly can be the battery, for this reason, one side of the box body among the infrared passenger flow counting assembly still is provided with the mouth that charges.
In an embodiment of the present invention, the cover plate has the same shape as the box body, and the volume of the circuit board is smaller than the volume of the box body.
In order to make the structure of the infrared passenger flow counting device disclosed in the present invention more understandable, a specific example is now given with reference to fig. 3 and fig. 4, fig. 3 is a three-view (front view 310, left view 320 and top view 330) of a box 300 in the infrared passenger flow counting device, and fig. 4 is a three-view (front view 110, left view 120 and top view 130) of a cover plate 100 in the infrared passenger flow counting device.
As shown in fig. 3, the inner periphery of the box 300 has a vertical wall surface, and the wall surface is provided with a first connecting member, which includes a positioning rib 301, a first upright column 302 and a clamping position 303; as shown in fig. 4, a second connecting member matched with the first connecting member is disposed on the inner side of the cover plate 100, the second connecting member includes a slot 101 matched with the positioning rib 301, a second upright post 102 corresponding to the first upright post 302, and a buckle 103 clamped with a clamp 303, wherein the first upright post 302 and the second upright post 102 are the same in number, the clamp 303 and the buckle 103 are the same in number, a limiting structure is disposed on the circuit board, the limiting structure can be a hole, the first upright post 302 and the second upright post 102 are respectively clamped on two sides of the hole on the circuit board, the circuit board can be pressed and positioned by the box body 300 and the upright post of the cover plate 100, and no additional screw is required for fastening, so that the material cost of the infrared passenger flow counting device can be saved, and the device is light and easy to install; meanwhile, the circuit board is further provided with a concave notch position, and the concave notch position is matched with the positioning rib 301 of the box body 300 and the slot 101 on the inner side of the cover plate 100 to play a role in positioning direction. In addition, in order to charge the power supply inside the infrared passenger flow counting device, a charging port 304 is formed at one side of the box 300. In order to facilitate the user to manually start the infrared passenger flow counting device, a control switch button is arranged on the circuit board, and a switch hole position 105 for fixing the control switch button is arranged on the cover plate 100; meanwhile, a diode indicator light which is in circuit connection with the operating switch button is arranged on the circuit board, when the operating switch button is turned on, a circuit in the circuit board is switched on, the diode indicator light is lighted up to prompt a user that the infrared passenger flow counting device is started, and therefore the cover plate 100 is also provided with a light guide column 104 used for transmitting light, and the light guide column 104 is matched with the diode indicator light in position.
The embodiment of the utility model provides an infrared passenger flow counting assembly, infrared passenger flow counting assembly lay in the entity shop, and infrared passenger flow counting assembly includes: the device comprises a main control chip, a pyroelectric sensor, a Fresnel lens covering the pyroelectric sensor, a Bluetooth module, a cover plate, a box body with a cavity and a circuit board; the main control chip, the pyroelectric sensor and the Bluetooth module are respectively arranged on a circuit board, and the circuit board is clamped between the box body and the cover plate and is positioned in the cavity; the pyroelectric sensor is connected with the main control chip and used for detecting infrared signals released by pedestrians entering the physical store; the Fresnel lens is used for converging the infrared signals; a pore corresponding to the position of the Fresnel lens is arranged on the cover plate and used for limiting the detection range of the pyroelectric sensor to the infrared signal; the Bluetooth module is connected with the pyroelectric sensor and used for transmitting a response signal obtained by detecting the change of the infrared signal by the pyroelectric sensor to a preset data receiving terminal in the entity shop. The infrared passenger flow counting device can narrow and limit the range of infrared signals detected by the pyroelectric sensor through the covering effect of the Fresnel lens and the cover plate on the pyroelectric sensor, so that the narrowed detection range is matched with the vertical projection thickness of a human body, the influence of the infrared signals released by objects entering and exiting a shop on passenger flow statistics can be eliminated, and the statistical precision of the passenger flow entering and exiting the entity shop is improved; simultaneously, parts such as pyroelectric sensor, fresnel lens, bluetooth module are integrated on the circuit board, with the circuit board joint in the box body that has the cavity for infrared passenger flow counting assembly's is small, the integrated level is high, easily install the optional position in the entity shop, bluetooth module can assist the communication between infrared passenger flow counting assembly and the data receiving terminal, realize the convenient application of device in wireless scene, and the mode of being connected to the terminal through bluetooth agreement communication is more reliable, data transmission's accuracy is high.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An infrared passenger flow counting device, characterized in that, the infrared passenger flow counting device is arranged in an entity shop, the infrared passenger flow counting device includes: the device comprises a main control chip, a pyroelectric sensor, a Fresnel lens covered above the pyroelectric sensor, a Bluetooth module, a cover plate, a box body with a cavity and a circuit board;
the main control chip, the pyroelectric sensor and the Bluetooth module are respectively arranged on the circuit board, and the circuit board is clamped between the box body and the cover plate and is positioned in the cavity;
the pyroelectric sensor is connected with the main control chip and used for detecting infrared signals released by pedestrians entering the physical store; the Fresnel lens is used for converging the infrared signals; a pore corresponding to the position of the Fresnel lens is arranged on the cover plate and used for limiting the detection range of the pyroelectric sensor on the infrared signal;
the Bluetooth module is connected with the pyroelectric sensor and used for transmitting a response signal obtained by detecting the infrared signal change by the pyroelectric sensor to a preset data receiving terminal in the entity shop.
2. The infrared passenger flow counting device according to claim 1, wherein the main control chip is connected to the bluetooth module, and is configured to drive the bluetooth module to calibrate a time node at which the pyroelectric sensor detects an infrared signal; the main control chip is also used for inquiring the time node when the pyroelectric sensor is triggered by the infrared signal.
3. The infrared passenger flow counting device according to claim 1, further comprising a power supply, wherein the power supply is connected to the main control chip, the pyroelectric sensor, and the bluetooth module, respectively, and the power supply is installed in a power supply terminal seat provided on the circuit board.
4. The infrared passenger flow counting device according to claim 1, wherein said circuit board is provided with an operation switch button, and said cover plate is provided with a switch hole site for fixing said operation switch button.
5. The infrared passenger flow counting device according to claim 4, wherein a diode indicator light is provided on said circuit board, said diode indicator light being connected to said operation switch button.
6. The infrared passenger flow counting device of claim 5, wherein a light guide post is disposed on the cover plate, and the position of the light guide post is clamped with the position of the diode indicator light.
7. The infrared passenger flow counting device according to claim 1, wherein the inner periphery of the box body has a vertical wall surface, the wall surface is provided with a first connecting member, and the inner side of the cover plate is provided with a second connecting member matching the first connecting member.
8. The infrared passenger flow counting device of claim 7, wherein said first connector comprises a positioning rib, said positioning rib being perpendicular to said cover plate; the second connecting piece comprises a slot matched with the positioning rib.
9. The infrared passenger flow counting device according to claim 7, wherein said first connecting member comprises a first upright post, said second connecting member comprises a second upright post, said circuit board is provided with a limiting structure, and said first upright post and said second upright post are respectively clamped on both sides of said limiting structure; one side of the box body is also provided with a charging port.
10. The infrared passenger flow counting device of claim 1, wherein the shape of said cover is the same as the shape of said box, and the volume of said circuit board is less than the volume of said box.
Priority Applications (1)
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CN202121320370.5U CN214846800U (en) | 2021-06-11 | 2021-06-11 | Infrared passenger flow counting device |
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CN202121320370.5U CN214846800U (en) | 2021-06-11 | 2021-06-11 | Infrared passenger flow counting device |
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CN214846800U true CN214846800U (en) | 2021-11-23 |
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CN202121320370.5U Active CN214846800U (en) | 2021-06-11 | 2021-06-11 | Infrared passenger flow counting device |
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