CN211742178U

CN211742178U - Personnel detection device

Info

Publication number: CN211742178U
Application number: CN202020808885.9U
Authority: CN
Inventors: 丁常可
Original assignee: Chengdu Jiuai Technology Co ltd
Current assignee: Chongqing LINGKEN Medical Technology Co.,Ltd.
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-10-23
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a flow of people detects technical field, its aim at provides a personnel detection device. The adopted technical scheme is as follows: the utility model provides a personnel detection device, includes processing module, transmitter, transmitting antenna, receiver, receiving antenna, host computer and power module, processing module passes through the transmitter and is connected with the transmitting antenna electricity, processing module passes through the receiver and is connected with the receiving antenna electricity, processing module and host computer communication connection, power module is connected with processing module and host computer electricity respectively. The utility model discloses assembly cost is low, the commonality is strong.

Description

Personnel detection device

Technical Field

The utility model relates to a flow of people detects technical field, especially relates to a personnel detection device.

Background

In order to improve the safety management level and the service level, the personnel detection device is indispensable in public places such as meeting rooms, markets, museums, factory buildings and the like. At present, a common indoor personnel detection device is usually realized by an RFID access control system, personnel detection can be realized in an area to be monitored, but personnel to be monitored need to be provided with corresponding labels, a large amount of card reading equipment needs to be arranged in the area to be detected, and the defects of high assembly cost and poor universality are overcome.

Disclosure of Invention

In order to solve the above problems existing in the prior art, the utility model provides a personnel detection device.

The utility model adopts the technical proposal that:

the utility model provides a personnel detection device, includes processing module, transmitter, transmitting antenna, receiver, receiving antenna, host computer and power module, processing module passes through the transmitter and is connected with the transmitting antenna electricity, processing module passes through the receiver and is connected with the receiving antenna electricity, processing module and host computer communication connection, power module is connected with processing module and host computer electricity respectively.

Preferably, the transmitter is a radar transmitter and the receiver is a radar receiver.

Preferably, the processing module is in communication connection with the upper computer through a wireless signal transceiving module, and the wireless signal transceiving module is used for receiving the people stream statistical data sent by the processing module and sending the people stream statistical data to the upper computer; the wireless signal transceiver module is a WiFi transceiver module, a Bluetooth transceiver module and/or a GPRS transceiver module.

Further preferably, personnel detection device still includes signal processing board and bottom plate, processing module, transmitter, transmitting antenna, receiver and receiving antenna equipartition are established on signal processing board, power module and wireless signal transceiver module equipartition are established on the bottom plate.

Further preferably, the personnel detection device further comprises a connector, and the processing module is electrically connected with the power supply module and the wireless signal transceiver module through the connector respectively.

Preferably, the power module includes a power management module, a power input module and a battery module, an output electrode of the power input module is electrically connected to an input electrode of the battery module, an output electrode of the power input module and an output electrode of the battery module are both electrically connected to an input electrode of the power management module, and an output electrode of the power management module is electrically connected to the processing module and the wireless signal transceiver module.

Further preferably, the power supply module further comprises a voltage stabilizing module, and an output electrode of the power supply management module is electrically connected with the processing module and the wireless signal transceiving module through the voltage stabilizing module respectively.

Further preferably, the personnel detection device further comprises an indication module, and the indication module is electrically connected with the power management module.

Preferably, the processing module is of the type IWR6843 QAGABL.

Preferably, the person detection apparatus further comprises a memory, the memory being electrically connected to the processing module.

The beneficial effects of the utility model are concentrated and are reflected in, assembly cost is low, the commonality is strong. Particularly, in the use process of the utility model, only the processing module, the emitter, the transmitting antenna, the receiver, the receiving antenna, the power module and other devices are needed to be arranged at the preset position of the space to be measured; then, the processing module drives the transmitter to transmit a detection signal, and when a detected person appears in the space to be detected, the receiver receives and transmits the detection signal reflected by the detected person in real time; the processor can receive the reflected detection signal sent by the receiver, convert the reflected detection signal into a digital signal and send the digital signal to the upper computer, and the upper computer receives and displays the digital signal sent by the processing module so as to achieve the purpose of personnel detection. The utility model discloses in the use, need not in addition to be equipped with the identification label for the personnel of cominging in and going out, only need simultaneously with the utility model discloses install in the preset position in the space that awaits measuring can, assembly cost is low, and the commonality is strong simultaneously, possesses the value of using widely.

Drawings

Fig. 1 is a control block diagram of the present invention;

FIG. 2 is a schematic circuit diagram of a processing module according to the present invention;

fig. 3 is a schematic circuit diagram of the wireless signal transceiver module of the present invention;

fig. 4 is a schematic circuit diagram of the power management module of the present invention;

fig. 5 is a schematic circuit diagram of the power input module and the charging plug of the present invention;

fig. 6 is a schematic circuit diagram of the voltage stabilizing module of the present invention;

fig. 7 is a schematic circuit diagram of an indication module according to the present invention;

FIG. 8 is a schematic circuit diagram of the memory of the present invention;

fig. 9 is a schematic structural diagram of the housing of the present invention;

fig. 10 is a schematic structural diagram of the connection of the signal processing board, the bottom board and the housing in the present invention;

fig. 11 is a schematic circuit diagram of a first connector of the present invention;

fig. 12 is a schematic circuit diagram of a second connector according to the present invention;

fig. 13 is a schematic circuit diagram of the interface for recording data in the present invention.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Example 1:

the embodiment provides a personnel detection device, as shown in fig. 1, which includes a processing module U1-a, a transmitter, a transmitting antenna, a receiver, a receiving antenna, an upper computer and a power supply module, wherein the processing module U1-a is electrically connected with the transmitting antenna through the transmitter, the processing module U1-a is electrically connected with the receiving antenna through the receiver, the processing module U1-a is in communication connection with the upper computer, and the power supply module is electrically connected with the processing module U1-a and the upper computer respectively.

In this embodiment, the transmitter is configured to transmit the detection signal to the space to be detected through the transmitting antenna.

The receiver is used for receiving detection signals reflected by the detected personnel in real time through the receiving antenna when the detected personnel appear in the space to be detected, and then the reflected detection signals are processed and sent to the processing module U1-A. Specifically, the receiver may select the weak reflected probing signal received by the antenna from the accompanying noise and interference by suitable filtering, and then amplify and detect the probing signal before sending it to the processing module U1-a.

The circuit schematic diagram of the processing module U1-a is shown in fig. 2, and is used for driving the transmitter to transmit the detection signal; the processing module U1-A is also used for receiving the reflected detection signal sent by the receiver, converting the reflected detection signal into a digital signal and sending the digital signal to an upper computer. Specifically, the processing module U1-a may convert the reflected detection signal into a target point cloud, and then perform a screening process on the target point cloud to output an effective target point cloud; then according to a preset point cloud number threshold, associating the point clouds meeting the point cloud number threshold, and generating a target track; after the target track is generated, the processing module U1-A can track the target track, count the target at the same time, and then send the target counting information to the upper computer for display. In this embodiment, the processing module U1-a is implemented by an integrated single-chip millimeter wave sensor of IWR6843 qagbl model manufactured by TI corporation, which can operate in a frequency band of 60GHz to 64GHz and is implemented based on FMCW radar technology, the device is constructed by a low-power consumption 45nmRFCMOS process, and unprecedented integration can be implemented in extremely small package, and the device is suitable for low-power consumption, self-monitoring, and ultra-precise radar systems in the industrial field.

The upper computer is used for receiving and displaying the digital signal sent by the processing module U1-A.

The power module is used to provide power support to the processing module U1-A.

The embodiment has the advantages of low assembly cost and strong universality. Specifically, in the use process of the present embodiment, only the processing module U1-a, the transmitter, the transmitting antenna, the receiver, the receiving antenna, the power module and other devices need to be installed at the predetermined position of the space to be measured; then, the processing module U1-A drives the transmitter to transmit a detection signal, and when a detected person appears in the space to be detected, the receiver receives and transmits the detection signal reflected by the detected person in real time; the processor can receive the reflected detection signal sent by the receiver, convert the reflected detection signal into a digital signal and send the digital signal to the upper computer, and the upper computer receives and displays the digital signal sent by the processing module U1-A, so that the purpose of personnel detection is achieved. In the use process, the embodiment does not need to be equipped with the identification tag for the personnel entering and exiting, and meanwhile, the embodiment is only needed to be installed at the preset position of the space to be tested, so that the assembling cost is low, the universality is high, and the popularization and use values are achieved.

In this embodiment, the transmitter is a radar transmitter, and the receiver is a radar receiver. It should be noted that, the transmitter also can adopt infrared transmitter, receiver to adopt infrared receiver to realize, adopts radar transmitter, radar receiver, and is lower to the environmental requirement, and it can carry out the measurement of distance, speed and angle simultaneously, possesses the characteristics that simple installation, with low costs and resolution ratio are high, can effectively track and count the statistics to indoor personnel.

In this embodiment, the processing module U1-a is in communication connection with the upper computer through the wireless signal transceiving module U1 so as to implement short-range or long-range data interaction, and the wireless signal transceiving module U1 is configured to receive the people stream statistical data sent by the processing module U1-a and send the people stream statistical data to the upper computer; to further meet the application requirements, the wireless signal transceiver module U1 may be, but not limited to, any one or any combination of a WiFi transceiver module, a bluetooth transceiver module, and a GPRS transceiver module, in this embodiment, as shown in fig. 3, the wireless signal transceiver module U1 is a WiFi transceiver module, which may also be used for WiFi positioning, so as to facilitate real-time understanding of the position of the personnel detection device, and further provide a big data support for the calculation model derivation of the personnel detection.

In this embodiment, the power module includes a power management module U4, a power input module U12, and a battery module, a schematic circuit diagram of the power management module U4 is shown in fig. 4, an input pole of the power input module U12 is electrically connected to a charging plug J4, a schematic circuit diagram of the power input module U12 and a charging plug J4 is shown in fig. 5, an output pole of the power input module U12 is electrically connected to an input pole of the battery module, an output pole of the power input module U12 and an output pole of the battery module are both electrically connected to an input pole of the power management module U4, and an output pole of the power management module U4 is electrically connected to the processing module U1-a and the wireless signal transceiving module U1.

In this embodiment, the power module further includes a voltage regulation module U5, a schematic circuit diagram of the voltage regulation module U5 is shown in fig. 6, and an output terminal of the power management module U4 is electrically connected to the processing module U1-a and the wireless signal transceiving module U1 through the voltage regulation module U5, respectively.

In this embodiment, the human detection apparatus further includes an indication module, a schematic circuit diagram of the indication module is shown in fig. 7, the indication module is electrically connected to the power management module U4 for indicating an operating state of the power management module U4, for example, the indication module is turned on when the power management module U4 operates, and turned off when the power management module U4 stops operating, so that a user can grasp an operating condition of the power management module.

As shown in fig. 8, the people detection apparatus further comprises a memory U2, the memory U2 being electrically connected to the processing module U1-a for storing digital information such as software programs and virtual parameters, which may be, but is not limited to, FLASH memory U2 (i.e., FLASH memory) of model MX25V1635 FZNQ.

In this embodiment, the personnel detection device further includes a signal processing board 1 and a bottom board 2, as shown in fig. 9 and 10, the processing board and the bottom board 2 are both installed in the housing 3, wherein components in main circuits such as the processing module U1-a, the transmitter, the transmitting antenna, the receiver and the receiving antenna are uniformly distributed on the signal processing board 1, and components in peripheral circuits such as the power management module U4, the power input module U12, the battery module, the voltage stabilization module U5 and the wireless signal transceiver module U1 are uniformly distributed on the bottom board 2. In this embodiment, through the arrangement of the signal processing board 1 and the bottom board 2, the peripheral circuit and the main circuit in the personnel detection device can be separated, and the size of the signal processing board 1 can be reduced, so that the main circuit on the signal processing board 1 can be easily matched with other devices, large-scale mass production can be easily realized, and the production cost can be reduced. Specifically, the signal processing board 1 adopts a silver immersion process and is mixed and pressed with a high-speed board, so that the performance of the signal processing board 1 can be improved; the shell 3 comprises a main body and a cover plate, the cover plate is connected with the main body through a bolt connecting piece, and the assembling and disassembling process is convenient and rapid; the main body is provided with a plurality of heat dissipation holes 4 for realizing the heat dissipation of the peripheral circuit and the main circuit.

Furthermore, the personnel detection device also comprises a connector, and the processing module U1-A is electrically connected with the power supply module and the wireless signal transceiving module U1 through the connector respectively. Specifically, the connectors are divided into a first connector CN1 and a second connector CN2, a schematic circuit diagram of the first connector CN1 is shown in fig. 11, a schematic circuit diagram of the second connector CN2 is shown in fig. 12, the first connector CN1 is electrically connected to the processing module U1-a, the second connector CN2 is electrically connected to the wireless signal transceiver module and the power supply module at the same time, and the model of the connector is CON20_ ZCA. The connector is used for realizing the assembly between the signal processing board 1 and the bottom board 2, so that the simplification of electric wires is facilitated, and the assembly speed of the signal processing board 1 and the bottom board 2 is increased.

As shown in fig. 13, the embodiment further includes a burning interface CON1, and the burning interface CON1 is electrically connected to the processing module and is used for burning a program into the processing module.

The various embodiments described above are merely illustrative, and may or may not be physically separate, as they relate to elements illustrated as separate components; if reference is made to a component displayed as a unit, it may or may not be a physical unit, and may be located in one place or distributed over a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications of the technical solutions described in the embodiments or equivalent replacements of some technical features may still be made. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Finally, it should be noted that the present invention is not limited to the above alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims

1. A person detection apparatus, characterized by: including processing module, transmitter, transmitting antenna, receiver, receiving antenna, host computer and power module, processing module passes through the transmitter and is connected with the transmitting antenna electricity, processing module passes through the receiver and is connected with the receiving antenna electricity, processing module and host computer communication connection, power module is connected with processing module and host computer electricity respectively.

2. A person detection apparatus as claimed in claim 1, wherein: the transmitter is a radar transmitter, and the receiver is a radar receiver.

3. A person detection apparatus as claimed in claim 1, wherein: the processing module is in communication connection with the upper computer through a wireless signal transceiving module, and the wireless signal transceiving module is used for receiving the people stream statistical data sent by the processing module and sending the people stream statistical data to the upper computer; the wireless signal transceiver module is a WiFi transceiver module, a Bluetooth transceiver module and/or a GPRS transceiver module.

4. A person detection apparatus as claimed in claim 3, wherein: personnel detection device still includes signal processing board and bottom plate, processing module, transmitter, transmitting antenna, receiver and receiving antenna equipartition are established on the signal processing board, power module and wireless signal transceiver module equipartition are established on the bottom plate.

5. A person detection apparatus as claimed in claim 4, wherein: the personnel detection device further comprises a connector, and the processing module is electrically connected with the power supply module and the wireless signal transceiving module through the connector respectively.

6. A person detection apparatus as claimed in claim 1, wherein: the power supply module comprises a power supply management module, a power supply input module and a battery module, wherein the output electrode of the power supply input module is electrically connected with the input electrode of the battery module, the output electrode of the power supply input module and the output electrode of the battery module are electrically connected with the input electrode of the power supply management module, and the output electrode of the power supply management module is electrically connected with the processing module and the wireless signal transceiving module.

7. The people detection apparatus according to claim 6, wherein: the power supply module further comprises a voltage stabilizing module, and the output electrode of the power supply management module is respectively and electrically connected with the processing module and the wireless signal transceiving module through the voltage stabilizing module.

8. The people detection apparatus according to claim 6, wherein: the personnel detection device further comprises an indication module, and the indication module is electrically connected with the power management module.

9. A person detection apparatus as claimed in claim 1, wherein: the model of the processing module is IWR6843 QAGABL.

10. A person detection apparatus as claimed in claim 1, wherein: the personnel detection device further comprises a memory, and the memory is electrically connected with the processing module.