CN207650903U - A kind of multiple port classroom passenger number statistical system - Google Patents
A kind of multiple port classroom passenger number statistical system Download PDFInfo
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- CN207650903U CN207650903U CN201721827776.6U CN201721827776U CN207650903U CN 207650903 U CN207650903 U CN 207650903U CN 201721827776 U CN201721827776 U CN 201721827776U CN 207650903 U CN207650903 U CN 207650903U
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- sensor
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- statistical system
- passenger number
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Abstract
The utility model provides a kind of multiple port classroom passenger number statistical system.Multiple port classroom passenger number statistical system is suitable for the classroom equipped with multiple access doors, and includes being mounted on the user terminal checked for teacher on dais and multiple detection terminals at the access door；Each detection terminal includes sensor detection circuit, modulate circuit, test side microcontroller and the wireless transmitter module for being installed in the sensor outdoors and door inner sensor in doorframe outside and inside respectively and being sequentially connected electrically, and the sensor outdoors and the door inner sensor are electrically connected with the sensor detection circuit respectively；Each detection terminal is connected by the wireless transmitter module and user terminal wireless communication.
Description
Technical field
The utility model is more particularly to a kind of multiple port classroom passenger number statistical system.
Background technology
Currently, based on the attendance mode of colleges and universities still called the roll with teacher, swiping card mode is partly also used.Swiping card mode can
It is called the roll the time with reduction, but there are problems that replacing for people brush mostly card is swiped the card, waited for that teacher verifies to swipe the card number and actual arrival number and be not inconsistent
When must call the roll or abandon again this attendance data.The common modes such as fingerprint recognition and recognition of face use more in enterprise
It is accurate to add, but because school student substantial amounts, classroom are a lot of, the hardware and software resources occupation amount needed is huge, it appears and it is uncomfortable
With.
Application No. is 201410347427.9 patents to propose the image captured by camera to indoor student progress
It is imaged above the waist and crown detection is coordinated to realize demographics.The accuracy of this method is fully established at the basis of image procossing
On, when classroom is larger, one or two of camera can not capture the phonotape and videotape in entire classroom, before using the method, it is necessary to right
The image of multi-cam capture is integrated, cuts and is spliced.Patent application No. is 201510246804.4 is taken the photograph using network
As head completion image capture, but the specific method of image procossing is not described.
The patent that grant number is CN 205050182U counts occupancy using at least a pair of of correlation optoelectronic switch, but
A pair of of optoelectronic switch cannot be distinguished from personnel into doing well, mistake of statistics can be caused.
There are Part Methods to use two pairs of emission sensors or transceiver formation double light path, personnel's disengaging can be solved
Condition adjudgement.Patent if grant number is CN 205176952U has used double light path bifrequency infrared sensor to count；Application number
Emit laser by two microlasers for 201610032204.2 patent, is received to form double light path inspection with photodiode
Survey number；Grant number is that the patent of 206097254U is also based on the detection mode of double light path, it is also necessary to which gag lever post is used cooperatively.
These methods are all not directed to classroom the case where being imported and exported there are two door or more；And it needs to pacify installing emission sensor
Mounted in the both sides of door, installation workload is larger.
Grant number considers classroom for the patent of CN206224567U the case where front/rear door, uses to fill on each door and take the photograph
As head, differentiated by way of differentiating facial orientation into doing well.This needs to increase many cameras and wiring on hardware, soft
It is also and unreliable into doing well to differentiate by facial orientation merely on part, will be counted out when facing camera and releasing classroom
It is wrong.
Utility model content
The purpose of this utility model is that in view of the drawbacks of the prior art, providing a kind of multiple port classroom demographics system
System does detection and condition discrimination using reflective double light path infrared sensor, and the detection device is mounted on each entrance,
Occupancy can be detected in real time.
The technical solution of the utility model is as follows：A kind of multiple port classroom passenger number statistical system is suitable for being equipped with multiple
The classroom of access door, and include being mounted on the user terminal checked for teacher on dais and more at the access door
A detection terminal；Each detection terminal includes the sensor outdoors and Men Nei sensings being installed in respectively on the outside of doorframe with inside
Device and the sensor detection circuit being sequentially connected electrically, modulate circuit, test side microcontroller and wireless transmitter module, it is described outdoors
Sensor and the door inner sensor are electrically connected with the sensor detection circuit respectively；Each detection terminal passes through institute
Wireless transmitter module is stated to connect with user terminal wireless communication.
Preferably, the sensor outdoors and the door inner sensor are reflection infrared sensor, and the two is all provided with
There are infrared transmitter and infrared remote receiver.
Preferably, the modulate circuit includes resistance R1, adjustable resistance R2, adjustable resistance R3 and operational amplifier, described
Resistance R1, adjustable resistance R2, resistance R3 are sequentially connected electrically, and the input terminal of the resistance R1 accesses Vcc, and the resistance R3's is defeated
Outlet is grounded, and the negative input end of the operational amplifier is electrically connected with adjustable resistance R2, the positive input terminal of the operational amplifier
It is electrically connected with the output end of the sensor detection circuit, the output end of the operational amplifier and the test side microcontroller
Electrical connection.
Preferably, the user terminal includes the wireless receiving module being sequentially connected electrically, user terminal microcontroller and display mould
Block, the wireless receiving module and the wireless transmitter module wireless communication of each detection terminal connect.
Technical solution provided by the utility model has the advantages that：
Multiple port classroom passenger number statistical system can pass in and out the personnel of multiple entrances in classroom and do real-time inspection
It surveys and counts；Using reflection infrared sensor so that installation workload reduces half than correlation；It is transmitted using wireless module
Personnel pass in and out information and save wiring.The utility model can be additionally used in Conference Hall, personnel amount in the real-time examining report Room, allow report
Accuse the point of interest that people understands audience to report by the increase and decrease of number.
Description of the drawings
Fig. 1 is installation signal of the multiple port classroom passenger number statistical system that provides of the utility model embodiment in classroom
Figure；
Fig. 2 is the structure diagram of multiple port classroom passenger number statistical system shown in Fig. 1；
Fig. 3 is middle door inner sensor and the installation of sensor outdoors in multiple port classroom passenger number statistical system shown in Fig. 1
Schematic diagram；
Fig. 4 is the electrical block diagram of modulate circuit in multiple port classroom passenger number statistical system shown in Fig. 1.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The description of specific distinct unless the context otherwise, element and component in the utility model, quantity both can be single
Form exist, form that can also be multiple exists, and the utility model is defined not to this.Step in the utility model
Although being arranged with label, be not used to limit the precedence of step, unless expressly stated the order of step or
Based on the execution of person's step needs other steps, otherwise the relative rank of step is adjustable.It is appreciated that this
Term "and/or" used in text one of is related to and covers associated Listed Items or one or more of any and institute
Possible combination.
As shown in Figs 1-4, the multiple port classroom passenger number statistical system that the utility model embodiment provides is suitable for being equipped with
The classroom of multiple access doors 100.The multiple access door 100 includes two or at least two access doors 100.
Specifically, multiple port classroom passenger number statistical system includes the multiple inspections being mounted at the access door 100
The user terminal 20 surveyed terminal 10 and checked for teacher on dais 200.The user terminal 20 and multiple inspections
Survey the wireless communication connection of terminal 10.
Each detection terminal 10 includes the sensor outdoors 11 and Men Nei biographies being installed in respectively on the outside of doorframe with inside
Sensor 12 and the sensor detection circuit 13 being sequentially connected electrically, modulate circuit 14, test side microcontroller 15 and wireless transmitter module
16, the sensor outdoors 11 and the door inner sensor 12 are electrically connected with the sensor detection circuit 13 respectively.
Moreover, the sensor outdoors 11 and the door inner sensor 12 are reflection infrared sensor, and the two is equal
Equipped with infrared transmitter 101 and infrared remote receiver 102.It should be appreciated that at work, the infrared transmitter 101 is in always
Emit infrared signal state.
The modulate circuit 14 include resistance R1, adjustable resistance R2, resistance R3 and operational amplifier OP, the resistance R1,
Adjustable resistance R2, resistance R3 are sequentially connected electrically, and the input terminal of the resistance R1 accesses Vcc, the output termination of the resistance R3
The negative input end on ground, the operational amplifier OP is electrically connected with adjustable resistance R2, the positive input terminal of the operational amplifier OP with
The output end of the sensor detection circuit 13 is electrically connected, the output end of the operational amplifier OP and the test side microcontroller
15 electrical connections.
In the modulate circuit 14, resistance R1, resistance R3 can avoid the backward end input voltage mistake of operational amplifier OP
It is high or too low do not receive useful signal；For the doorframe of different in width, by changing the access value of adjustable resistance R2, to adjust
The distance that sensor 11,12 can measure when section someone passes through.
In the detection terminal 10, when it is unmanned by access door 100 when, sensor 11 and door inner sensor 12 outdoors
Infrared remote receiver 102 receives the infrared signal emitted less than infrared transmitter 101, and sensor detection circuit 13 exports high electricity
Flat, the high level is close to supply voltage and can be more than 5V, and the high level becomes suitable for list after the processing of conditioned circuit 14
The high level digital quantity of piece machine processing is no more than 5V；
When someone appears in the side of access door 100, the infrared remote receiver of sensor 11 or door inner sensor 12 outdoors
102 receive by the reflected infrared signal of people, and sensor detection circuit 13 exports low level, after the processing of conditioned circuit 14
The low level becomes suitable for the low level digital quantity of microcontroller processing close to 0V, forms negative pulse；
When someone passes in and out classroom by access door 100, high-low-high can occur successively in the sensor 11,12 on doorframe
Level forms a negative pulse.Specifically, when someone enters classroom, people passes sequentially through sensor 11 outdoors and Men Nei sensings
Device 12, negative pulse on the first out gate outer sensor of modulate circuit 14 11, the again negative pulse on out gate inner sensor 12；Together
Reason, when someone goes out classroom, people passes sequentially through an inner sensor 12, outdoors sensor 11, is passed in the first out gate of modulate circuit 14
Negative pulse on sensor 12, the again negative pulse on out gate outer sensor 11.
For test side microcontroller 15, when the reception of test side microcontroller 15 is the level that the modulate circuit 14 is sent
When signal or single undersuing, number differentiation is not done；It is sent out when test side microcontroller 15 receives the modulate circuit 14
When the two continuous undersuings sent, according to the source of negative pulse, first 11 back door inner sensor 12 of sensor is judged to outdoors
Into gate signal, number adds one；12 back door outer sensor 11 of first door inner sensor is judged to out gate signal, and number subtracts one.Also, it is described
The up-down signal that test side microcontroller 15 generates is sent out by the wireless transmitter module 16.
Each detection terminal 10 is connected by the wireless transmitter module 16 and the wireless communication of the user terminal 20
It connects.Specifically, the user terminal 20 includes the wireless receiving module 21 being sequentially connected electrically, user terminal microcontroller 22 and display mould
Block 23, the wireless receiving module 21 and the wireless communication of wireless transmitter module 16 of each detection terminal 10 connect.
The user terminal 20 is mounted on the position for being convenient for instructor view on dais 200, and the user terminal microcontroller 22 can
Number is reset or is predisposed to certain numerical value by hand-reset, and the wireless receiving module 21 receives the nothing of each detection terminal 10
The transmitting of line transmitting module 16 comes a plus signal or the signal that subtracts one, and the user terminal microcontroller 22 is passed to, count good person's number
It is shown afterwards by the display module 23.The display module 23 can be charactron or small-size liquid-crystal display screen.
It should be noted that multiple port classroom passenger number statistical system can real-time statistics and the current religion of display when being powered
Occupancy can reflect stream of people's variation in classroom.If multiple port classroom passenger number statistical system is used in Conference Hall
When, Conference Hall flow of the people can be monitored in real time, can reflect the pouplarity of different play different content reports and each field
In report where the point of interest of audience.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (4)
1. a kind of multiple port classroom passenger number statistical system, it is characterised in that：Suitable for the classroom equipped with multiple access doors, and wrap
Include the user terminal checked for teacher on dais and multiple detection terminals at the access door；
Each detection terminal include be installed in respectively on the outside of doorframe and inside sensor outdoors and door inner sensor and according to
Sensor detection circuit, modulate circuit, test side microcontroller and the wireless transmitter module of secondary electrical connection, the sensor outdoors and
The door inner sensor is electrically connected with the sensor detection circuit respectively；
Each detection terminal is connected by the wireless transmitter module and user terminal wireless communication.
2. a kind of multiple port classroom passenger number statistical system according to claim 1, it is characterised in that：It is described to sense outdoors
Device and the door inner sensor are reflection infrared sensor, and the two is equipped with infrared transmitter and infrared remote receiver.
3. a kind of multiple port classroom passenger number statistical system according to claim 1, it is characterised in that：The modulate circuit
Including resistance R1, adjustable resistance R2, adjustable resistance R3 and operational amplifier, the resistance R1, adjustable resistance R2, resistance R3 are successively
Electrical connection, and the input terminal of the resistance R1 accesses Vcc, the output end ground connection of the resistance R3, the operational amplifier is born
Input terminal is electrically connected with adjustable resistance R2, the output of the positive input terminal of the operational amplifier and the sensor detection circuit
End electrical connection, the output end of the operational amplifier and the test side monolithic mechatronics.
4. a kind of multiple port classroom passenger number statistical system according to claim 1, it is characterised in that：The user terminal
Including the wireless receiving module, user terminal microcontroller and display module being sequentially connected electrically, the wireless receiving module and each institute
State the wireless transmitter module wireless communication connection of detection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827776.6U CN207650903U (en) | 2017-12-25 | 2017-12-25 | A kind of multiple port classroom passenger number statistical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721827776.6U CN207650903U (en) | 2017-12-25 | 2017-12-25 | A kind of multiple port classroom passenger number statistical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650903U true CN207650903U (en) | 2018-07-24 |
Family
ID=62878694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721827776.6U Expired - Fee Related CN207650903U (en) | 2017-12-25 | 2017-12-25 | A kind of multiple port classroom passenger number statistical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650903U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951866A (en) * | 2019-03-18 | 2019-06-28 | 南昌航空大学 | A kind of stream of people's quantity monitoring method based on Hidden Markov Model |
| CN110996478A (en) * | 2019-12-30 | 2020-04-10 | 四川虹美智能科技有限公司 | Intelligent switch, and method and system for automatically closing electric equipment |
| CN111161498A (en) * | 2020-01-06 | 2020-05-15 | 华平智慧信息技术（深圳）有限公司 | System and method for monitoring boundary in defined area |
-
2017
- 2017-12-25 CN CN201721827776.6U patent/CN207650903U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951866A (en) * | 2019-03-18 | 2019-06-28 | 南昌航空大学 | A kind of stream of people's quantity monitoring method based on Hidden Markov Model |
| CN109951866B (en) * | 2019-03-18 | 2022-05-17 | 南昌航空大学 | People flow monitoring method based on hidden Markov model |
| CN110996478A (en) * | 2019-12-30 | 2020-04-10 | 四川虹美智能科技有限公司 | Intelligent switch, and method and system for automatically closing electric equipment |
| CN110996478B (en) * | 2019-12-30 | 2022-04-19 | 四川虹美智能科技有限公司 | Intelligent switch, and method and system for automatically closing electric equipment |
| CN111161498A (en) * | 2020-01-06 | 2020-05-15 | 华平智慧信息技术（深圳）有限公司 | System and method for monitoring boundary in defined area |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20191225 |