CN209280139U - Sensing circuit and express delivery cabinet - Google Patents
Sensing circuit and express delivery cabinet Download PDFInfo
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- CN209280139U CN209280139U CN201821874174.0U CN201821874174U CN209280139U CN 209280139 U CN209280139 U CN 209280139U CN 201821874174 U CN201821874174 U CN 201821874174U CN 209280139 U CN209280139 U CN 209280139U
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Abstract
The utility model embodiment discloses a kind of sensing circuit and express delivery cabinet, and the sensing circuit includes the light sensing module that photoinduction digital signal is generated for sense ambient light intensity；The sound sensing module that phonoreception answers digital signal is generated for sensing ambient sound；The light sensing module and the sound sensing module are connected by the first communication line to receive the control module of photoinduction digital signal harmony induction digital signal；The conversion module and Sensing interface of the control module are connected by the second communication line, the Sensing interface is connected to the control module by the first communication line or the second communication line, the Sensing interface also passes through third communication connection to the conversion module, the signal of first communication line, the second communication line and third communication line transmission different communication protocol.Photoinduction digital signal harmony can be incuded digital data transmission to host computer or other control circuits with distinct interface circuit, good compatibility by the sensing circuit of the present embodiment.
Description
Technical field
The utility model embodiment is related to express delivery device field more particularly to sensing circuit and express delivery cabinet.
Background technique
Internet shopping has become presently most popular shopping way, and user can be visited by mobile terminal or mobile phone
Ask that extensive stock is bought in internet, it is not only easy to operate but also convenient and efficient.The prior art internet shopping be usually be user
Access shopping webpage selection commodity, which determine, to be bought and places an order, and the commodity that user selects are issued user, user by express delivery by businessman
It signs after receiving and is determined in purchase page.Quickly due to townie rhythm, the user for buying commodity is different
It is scheduled on place of receipt, so courier needs to keep in commodity, the appearance of express delivery cabinet greatly solves this side of courier
The difficulty in face.With advances in technology, express delivery cabinet has not only given full play to its function of temporarily storing article, also in real life
In played other important function and for example temporarily keep in non-express delivery article.
Lamp box is that express delivery cabinet commonly configures, and under night dark surrounds or in the case that visibility is relatively low, is needed
Lamp box is opened, so that user can use some basic functions of express delivery cabinet, and carries out normal operating.The control of lamp box in the prior art
System is realized generally by setting regular time, or needs to open or close lamp box manually, and aforesaid operations efficiency compares
It is low and inconvenient for operation.The prior art is provided with sensor for controlling the switch of express delivery cabinet lamp box, but these sensors are logical
Single environmental parameter, such as sound or light can only be often sensed, using simultaneously inconvenient.
For foregoing problems, it is existing for providing a kind of sensing circuit that can sense varying environment parameter for express delivery cabinet
A technology technical problem urgently to be solved.
Utility model content
The utility model embodiment provides a kind of sensing circuit and express delivery cabinet that can sense varying environment parameter.
A kind of sensing circuit, comprising:
Light sensing module generates photoinduction digital signal for sense ambient light intensity；
Sound sensing module answers digital signal for sensing ambient sound generation phonoreception；
Control module connects the light sensing module and the sound sensing module by the first communication line, to receive light
Incude digital signal harmony and incudes digital signal；
Conversion module connects the control module by the second communication line；
Sensing interface, the Sensing interface are connected to the control mould by the first communication line or the second communication line
Block, the Sensing interface also pass through third communication connection to the conversion module, first communication line, the second communication
The signal of route and third communication line transmission different communication protocol.
Further, first communication line is I2C bus, second communication line are UART signal line, third
Communication line is RS485 signal wire.
Further, the control module is singlechip chip, the light sensing module is optical sensor, the raw biography
Sense module is silicon wheat sensor.
Further, the control module includes communication ends PA5 and communication ends PA6, and light sensing module includes communication port
SCL and communication port SDA, the communication port SCL is connected to communication ends PA5 and is used for transmission photoinduction clock signal, described logical
Letter port SDA is connected to the communication ends PA6 and is used for transmission photoinduction digital signal.
Further, the control module includes communication ends PA5 and communication ends PA6, and sound sensing module includes communication port
CLK and communication port DATA, the communication port CLK are connected to communication ends PA5, are used for transmission phonoreception and answer clock signal, described
Communication port DATA, which is connected to the communication ends PA6 and is used for transmission phonoreception, answers digital signal.
Further, the control module includes communication ends PA10 and communication ends PA9, and the conversion module includes port RO
The clock signal that communication ends PA10 is used for transmission UART protocol, the port DI connection are connected to port DI, the port RO
The data-signal of UART protocol is used for transmission to communication ends PA9.
Further, the conversion module further includes port A and port B, the Sensing interface include port 1, port 2,
Port 3 and port 4, the port 3 are connected to port A and are used for transmission RS485 agreement first passage signal, and the port 4 connects
RS485 agreement second channel signal is used for transmission to port B；The port 3 is also connected to communication ends PA10 and is used for transmission UART
The clock signal of agreement, the port 4 are also connected to the data-signal that communication ends P10 is used for transmission UART protocol；The port 1
It is connected to the second voltage input terminal, the port 2 is grounded.
Further, the sensing circuit further includes power module, is connected to second voltage input terminal and first voltage is defeated
Enter between end, the second voltage input terminal is connected with Sensing interface for receiving second voltage, and the power module is used for will
Second voltage switchs to first voltage and is supplied to first voltage input terminal, and first voltage is the supply voltage of the sensing circuit.
A kind of express delivery cabinet, comprising:
First communication module, for connecting host computer；
Second communication module, for connecting light source module and sensing circuit, the sensing circuit is any sensing above-mentioned
Circuit；
Micro-control unit, connects the first communication module and the second communication module, the micro-control unit according to
The photoinduction digital signal harmony induction digital signal that the sensing circuit generates carries out linearity light adjusting to light source module.
Further, the express delivery cabinet further includes sensing circuit plate, and the light sensing module and the setting of light sensing module exist
The second face of sensing circuit plate is arranged in first face of sensing circuit plate, the control module, conversion module, Sensing interface.
A kind of express delivery cabinet, including one or more sensing circuits above-mentioned.
The sensing circuit of the utility model embodiment includes generating photoinduction digital signal for sense ambient light intensity
Light sensing module；The sound sensing module that phonoreception answers digital signal is generated for sensing ambient sound；Connected by the first communication line
The light sensing module and the sound sensing module are connect to receive the control mould of photoinduction digital signal harmony induction digital signal
Block；Connect the conversion module and Sensing interface of the control module by the second communication line, the Sensing interface passes through the
One communication line or the second communication line are connected to the control module, and the Sensing interface also passes through third communication connection
To the conversion module, first communication line, the second communication line and third communication line transmission different communication protocol
The sensing circuit of signal, the present embodiment can sense varying environment parameter, photoinduction digital signal harmony can also be incuded number
Word signal is transferred to host computer or other control circuits with distinct interface circuit, and the compatibility used is very good, entire to pass
Inductive circuit can also be integrated on same circuit board, be not only simple in structure, and easy to use, and maintenance is easy.Before using
The express delivery cabinet for stating sensing circuit can be according to the photoinduction digital signal harmony induction digital signal of light sensor generation to light
Source module carries out linearity light adjusting, not only realizes and is switched according to light source module of the ambient light to express delivery cabinet, but also can be with
The gray scale of light source module is correspondingly arranged according to ambient light, not only the light demand of express delivery cabinet convenient for users, and
And preferable protection is carried out to human eye.In addition, each sensing circuit of the express delivery cabinet of the present embodiment is that light source module is equipped with
One individual second communication module, thus can for each second communication module identification code to each light source module into
Row individually control, can more easily cooperate user to carry out individual adjustment of light source module, be conducive to save the energy.In addition, this
The electricity consumption that the sensing circuit that embodiment uses can also acquire express delivery cabinet by second communication module uploads host computer, realizes
Electricity consumption charging integration, facilitates the maintenance of operator and reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the module map for the express delivery cabinet that the utility model embodiment one provides；
Fig. 2 is the first interface and second interface of the lock control plate circuit for the express delivery cabinet that the utility model embodiment one provides
Electrical block diagram；
Fig. 3 is the module map for the sensing circuit that the utility model embodiment two provides；
Fig. 4 is the back wiring structure that the sensing circuit that the utility model embodiment two provides is made as printed circuit board
Figure；
Fig. 5 is the front wiring structure that the sensing circuit that the utility model embodiment two provides is made as printed circuit board
Figure；
Fig. 6 is the circuit diagram of the control module for the sensing circuit that the utility model embodiment three provides；
Fig. 7 is the circuit of the light sensing module harmony sensing module for the sensing circuit that the utility model embodiment three provides
Figure；
Fig. 8 is the circuit diagram of the conversion module for the sensing circuit that the utility model embodiment three provides；
Fig. 9 is the circuit diagram of the second power supply module for the sensing circuit that the utility model embodiment three provides.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing or method described as flow chart.Although each step is described as the processing of sequence by flow chart, many of these
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of each step can be rearranged.When its operation
The processing can be terminated when completion, it is also possible to have the additional step being not included in attached drawing.The processing can be with
Corresponding to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 is a kind of circuit module figure for express delivery cabinet 1000 that the utility model embodiment one provides.The present embodiment it is fast
Passing cabinet 1000 includes 200 third lock control plate circuit 300 of the first lock control plate circuit 100 and the second lock control plate circuit, the 4th lock control plate
Circuit 400, the 5th lock control plate circuit 500, sensing circuit 105, light source module 106, meter module 107, the first power module
108, IP Camera 109, host computer 104, network storage equipment 111, interchanger 112, fuse 114, commercial power interface 115
With display 109.Display 109 is for showing human-computer interaction interface, to generate unlocking instruction or light source module control instruction.
First lock control plate circuit 100, the second lock control plate circuit 200, third lock control plate circuit the 300, the 4th in the present embodiment
Lock control plate circuit 400 is identical with the structure of the 5th lock control plate circuit 500, and each lock control plate circuit includes: first communication module
101-501, second communication module 102-502, micro-control unit 103-503, first interface CN1, two second interface CN2A,
CN2B, third interface CN3 and the 4th interface CN4.Two second interfaces CN2A, CN2B are arranged in the two sides first interface CN1, and and
First interface CN1 is in parallel.
First communication module 101 passes through first interface CN1 connection host computer 104.
Second communication module 102 passes through the 4th by third interface CN3 connection light source module 106, second communication module 102
Interface CN4 connection sensing circuit 105.
Micro-control unit 103 connects first communication module 101 and second communication module 102,103 basis of micro-control unit
The photoinduction digital signal harmony induction digital signal that sensing circuit 105 generates is switched to light source module 106 or is carried out line
Property light modulation.
First lock control plate circuit, 100 first communication module 101 connects other lock controls by the extension of second interface CN2A, CN2B
The second interface of plate circuit 200-500.The first interface CN1 of the first lock control plate circuit 100 is connected by winding displacement in the present embodiment
To host computer 104, first interface CN1 is also connected with power module 108, and the first lock control plate circuit 100 obtains electricity from first interface CN1
The working power that source module 108 provides.The second interface CN2A of first lock control plate circuit 100 is connected to the second lock control by winding displacement
The second interface CN2B, the second interface CN2A of the second lock control plate circuit 200 of plate circuit 200 are connected to the 4th lock control by winding displacement
The second interface CN2B of plate circuit 200.The second interface CN2B of first lock control plate circuit 100 is connected to third lock control by winding displacement
The second interface CN2B of the second interface CN2A of plate circuit 300, third lock control plate circuit 300 are connected to the 5th lock control by winding displacement
The second interface CN2A of plate circuit 500.The express delivery cabinet of the present embodiment, can also in alternate embodiment by taking five control plate circuits as an example
With the more lock control plate circuits of extension in parallel as needed.In the present embodiment, 200 third lock control plate circuit of the second lock control plate circuit
300, the 4th lock control plate circuit 400 and the 5th lock control plate circuit 500 are connected to by second interface CN2A, CN2B upper respectively
Machine 104 and power module 108.
Fig. 2 is referred to together, and the first interface CN1 and second interface CN2A, CN2B of the present embodiment respectively include four wiring
1-4 is held, is connected to power module 108 after 1 parallel connection of terminals of first interface CN1 and second interface CN2A, CN2B, first connects
It is grounded after 2 parallel connection of terminals of mouthful CN1 and second interface CN2A, CN2B, first interface CN1 and second interface CN2A, CN2B
First communication module 101, first interface CN1 and second interface are connected as the first port of communication signal after 3 parallel connection of terminals
4 parallel connection of terminals after as communication signal second port connect first communication module 101.
The each lock control plate circuit of the present embodiment further comprises the 5th interface CN5, but only the first lock control plate circuit 100
Second communication module 102 passes through the 5th interface CN5 connection meter module 107, the micro-control unit of the first lock control plate circuit 100
103 receive the electricity consumption data signal that meter module 107 is generated according to express delivery cabinet electricity consumption by second communication module 102, and lead to
It crosses first communication module 101 and is transferred to host computer 104.In the present embodiment, meter module 107 is serially connected on mains-supplied route,
Such as be connected between fuse 114 and the first power module 108, for generating corresponding electricity consumption number using electricity according to express delivery cabinet
It is believed that number, electricity consumption data signal is transferred to the first lock control plate circuit 100 by the 5th interface CN5, then via the first lock control plate
The second communication module 102 of circuit 100 is transferred to the micro-control unit 103 of the first lock control plate circuit, the first lock control plate circuit 100
Micro-control unit 103 will be transferred to host computer 104 by first communication module 101 to induction signal, host computer 104 passes through network
Electricity consumption data is transferred to power operation unit and carries out charging by communication, is realized remote meter-reading function, is facilitated express delivery cabinet operation
Electric power charge statistical work.
The further 6th interface CN6 of each lock control plate circuit of the present embodiment, the first lock control plate circuit 100, the second lock control plate
One or more of circuit 200, third lock control plate circuit 300, the 4th lock control plate circuit 400 and the 5th lock control plate circuit 500
The 6th interface CN6 be connected respectively to IP Camera 109, each IP Camera 109 is obtained by a 6th interface CN6
Working power, IP Camera 109 is connected to interchanger 112 by cable in the present embodiment, by corresponding videograph or photograph
Piece uploads to network storage equipment 111, for monitoring the service condition of express delivery cabinet, retains the evidence that related express delivery picks and places, guarantees
The safety that express delivery cabinet uses.Host computer 104 can by the communication connection with network storage equipment 111 read videograph or
Photo, to check the access situation of corresponding express delivery.
In this implementation, each lock control plate circuit further comprises the 7th interface (not shown), and the radiator fan of express delivery cabinet is logical
It crosses the 7th interface and obtains working power, fan avoids work for radiating to the control circuit or heating device of express delivery cabinet
Temperature is excessively high to there is machine operation troubles.
In this implementation, each lock control plate circuit further comprises door interlock switch circuit (not shown), each lock control plate circuit
The micro-control unit 103-503 of 100-500 is according to the unlocking instruction from the received host computer 104 of first communication module 101-501
The work of door interlock switch circuit is controlled, to open the door lock of express delivery cabinet.The door interlock switch circuit of the present embodiment lock control plate circuit is
Multiple, the number setting of the door lock of corresponding express delivery cabinet, the door lock of each express delivery cabinet is equipped with a door interlock switch circuit.The present embodiment
Door lock and door interlock switch circuit be 26.The micro-control unit 103-503 of each lock control plate circuit 100-600 is also by multiple doors
The state parameter of lock-switch circuit feeds back to host computer 104 by first communication module 101-501, in order to which host computer 104 is right
Failure door interlock switch circuit or door lock are monitored.
In the present embodiment, light source module 106 includes microcontroller and multiple LED light sources, and sensing circuit 105 is according to environment light
Brightness generates photoinduction digital signal harmony and incudes digital signal, and micro-control unit 103 is communicated by the 4th interface CN4 from second
Module 102 obtains photoinduction digital signal harmony induction digital signal and incudes digital signal according to photoinduction digital signal harmony
Generate brightness control signal, microcontroller according to brightness control signal control multiple LED light sources brightness degree or multiple LED lights
The switching signal in source, light source module 106 also obtain 12V DC working power from third interface CN3.It can be set in the present embodiment
With a sensing circuit 105 of the first lock control plate circuit 100 connection, multiple sensing circuits 105 are also provided with respectively with first to the
Five lock control plate circuit 100-500 are separately connected, to obtain more accurate ambient light data and ambient sound data.The present embodiment
In, the first lock control plate circuit 100 can incude digital signal according to the photoinduction digital signal harmony of acquisition and generate brightness control
Signal carries out brightness degree regulation and switch control to the light source module 106 for being connected to the first lock control plate circuit 100, can be with
The brightness control signal or omicronff signal transmission that will acquire are then forwarded to the second to the 5th lock control plate circuit to host computer 104
200-500, so that the second to the 5th lock control plate circuit 200-500 can be controlled respectively according to brightness control signal and switching signal
The brightness degree or switching light sources module 106 for the light source module 106 being correspondingly connected with.
In the present embodiment, first communication module 101-501 includes the first RS485 communication chip, second communication module 102-
502 include the 2nd RS485 communication chip, and micro-control unit 103-503 includes STM32 single-chip microcontroller.The host computer of the present embodiment
104 can use the industrial control host of CPC-1320 model, and the industrial control host of the present embodiment is using Freescale i.MX6 series
CPU runs on android operating system, while keeping low-power consumption, provides splendid operation and graphics performance, especially suitable
The harsh or more demanding industrial occasions of conjunction condition and public space application.
Compared with the existing technology, the express delivery cabinet 1000 of the utility model embodiment includes for connecting host computer 104
One communication module 101-501；For connecting the second communication module 102-502 of light source module 106 and sensing circuit 105；Micro-control
The photoinduction digital signal harmony induction digital signal that unit 103-503 processed is generated according to sensing circuit 105 is to light source module 106
Carry out linearity light adjusting or switching light sources module 106, not only may be implemented according to ambient light to the light source module 106 of express delivery cabinet into
Row switch, and the gray scale that light source module 106 can be correspondingly arranged according to ambient light is 0-255 grade, it is not only square
User use the light demand of express delivery cabinet, and preferable protection has been carried out to human eye.In addition, the express delivery cabinet of the present embodiment
Each lock control plate circuit be that light source module 106 is equipped with an individual second communication module 102, when combining multiple lock controls
When plate circuit controls express delivery cabinet, each light of the identification code to express delivery cabinet of each second communication module 102 can be directed to
Source module 106 is individually controlled, and user can more easily be cooperated to carry out individual brightness adjustments of light source module 106 or open
It closes, is conducive to save the energy.
Embodiment two
Fig. 3 is that the utility model embodiment two provides a kind of circuit knot of sensing circuit 105 on the basis of previous embodiment
Composition.
The sensing circuit 105 of the present embodiment is used for two kinds of environmental parameters of sense ambient light and sound, to generate photoinduction number
Word signal harmony incudes digital signal, and the sensing circuit 105 of the present embodiment includes:
Light sensing module 1051 generates photoinduction digital signal for sense ambient light intensity；
Sound sensing module 1052 answers digital signal for sensing ambient sound generation phonoreception；
Control module 1053 connects 1051 harmony sensing module 1052 of light sensing module by the first communication line 10531,
To receive photoinduction digital signal harmony induction digital signal；
Conversion module 1054 passes through 10532 link control module 1053 of the second communication line；
Sensing interface 1055, Sensing interface 1055 are connected by the first communication line 10531 or the second communication line 10532
To control module 1053, Sensing interface 1055 is also connected to conversion module 1054, the first communication by third communication route 10533
Route 10531, the second communication line 10532 and third communication route 10533 transmit the signal of different communication protocol.
In the present embodiment, control module 1053 is singlechip chip, can use low-power consumption, the 20 small envelopes of pin TSSOP20
The STM32F030F6P6 chip of dress；Light sensing module 1051 is optical sensor, can use 6 foot WS0F61 patch small packages
BH1750FVI chip, the present embodiment optical sensor passes through I2C output, measurement range substantially 1-65535LX；Sound passes
Sense module 1052 is silicon wheat sensor, can use the SPK0641HT4H-1 chip of 4x3x1mm patch small package, the present embodiment
Sound sensing module 1052 pass through I2C output, using range of signal 0-115db, sample frequency 20-20KHz.The present embodiment turns
Mold changing block 1054 can use SP3485 chip.
First communication line 10531 of the present embodiment is I2C bus, the second communication line 10532 are UART signal line, the
Three communication lines 10533 are RS485 signal wire.
Compared with the existing technology, the sensing circuit 105 of the present embodiment can sense varying environment parameter and generate photoinduction number
Word signal harmony incudes digital signal, photoinduction digital signal harmony can also be incuded digital data transmission and connect to difference
The host computer or other control circuits of mouth circuit, the compatibility used are very good.
In alternate embodiment, with reference to Fig. 4-5, entire sensing circuit 105 can also be integrated in same 105 plate of sensing circuit
It goes up and is mounted in the shell of express delivery cabinet, 105 plate of sensing circuit is arranged in light sensing module 1051 and light sensing module 1051
First face and by the through-hole of the shell of express delivery cabinet and it is extraneous be connected to carry out the sensing of sound and light, control module 1053,
The second face of 105 plate of sensing circuit is arranged in conversion module 1054, Sensing interface 1055.105 plate of sensing circuit of the present embodiment
It is not only simple in structure, and easy to use, is easy maintenance.
Embodiment three
Fig. 6-9 is the circuit diagram for the sensing circuit that the utility model embodiment three provides based on the above embodiment.This implementation
In example, sensing circuit includes: control module U1, light sensing module U2, sound sensing module U3, conversion module U4, second source mould
Block U5 and Sensing interface CN2.
Control module U1 includes communication ends PA5, communication ends PA6, communication ends PA9 and communication ends PA10.
Light sensing module U2 includes communication port SCL and communication port SDA.Communication port SCL is connected to communication ends PA5 use
In transmission photoinduction clock signal, communication port SDA is connected to communication ends PA6 and is used for transmission photoinduction digital signal.This implementation
In example, light sensing module U2 further includes resistance R6 and resistance R7, and communication port SCL is connected to first voltage by resistance R6 and inputs
End, communication port SDA are connected to first voltage input terminal by resistance R7.In the present embodiment, light sensing module U2 senses environment
Luminous intensity generates photoinduction digital signal, and photoinduction digital signal passes through communication port SDA, the first communication line to control
The communication ends PA6 of module U1.
Sound sensing module U3 includes communication port CLK and communication port DATA, and communication port CLK is connected to communication ends PA5
It is used for transmission phonoreception and answers clock signal.Communication port DATA, which is connected to communication ends PA6 and is used for transmission phonoreception, answers digital signal.This reality
It applies in example, sound sensing module U3 sensing ambient sound intensity generates phonoreception and answers digital signal, and phonoreception answers digital signal to pass through communication
The communication ends PA6 of port DATA, the first communication line to control module U1.Controller is by photoinduction digital signal and phonoreception
Digital signal is answered to pass through I2One of C bus, UART signal line, RS485 signal wire are transferred to distinct interface circuit
Host computer or other control circuits.In the present embodiment, sound sensing module U3 further includes resistance R9 and resistance R10, communication port
CLK is connected to first voltage input terminal by resistance R10, and communication port DATA is connected to first voltage by resistance R9 and inputs
End.
In the present embodiment, conversion module U4 includes port A, port B, port RO and port DI, and port RO is connected to communication
End PA10 is used for transmission the clock signal of UART protocol, and port DI is connected to the data that communication ends PA9 is used for transmission UART protocol
Signal.The UART protocol signal that control module U1 is exported is converted to RS485 protocol signal by the present embodiment conversion module U4, so as to
Realize that control module U1 and the external host computer with RS485 interface establish communication connection.In the present embodiment, conversion module U4 is also
Including resistance R11, resistance R12 and resistance R13, port A passes through resistance by resistance R12 connection first voltage input terminal, port B
R11 connection first voltage input terminal, resistance R13 are connected between port A and port B.
In the present embodiment, Sensing interface CN2 includes port 1, port 2, port 3 and port 4, and port 3 is connected to port A
It is used for transmission RS485 agreement first passage signal, port 4 is connected to port B and is used for transmission RS485 agreement second channel signal；
Port 3 is also connected to the clock signal that communication ends PA10 is used for transmission UART protocol, and port 4 is also connected to communication ends P9 for passing
The data-signal of defeated UART protocol；Port 1 is connected to second voltage input terminal, and port 2 is grounded.The present embodiment Sensing interface CN2
It exports as photoinduction digital signal harmony induction digital signal to the connecting interface of host computer.It, can be in alternate embodiment
Pass through the I of control module U12C bus directly exports photoinduction digital signal harmony induction digital signal to host computer.
In the present embodiment, second power supply module U5 is connected between second voltage input terminal and first voltage input terminal, the
Two voltage input ends are connected with Sensing interface CN2 for receiving second voltage, and second power supply module is for switching to second voltage
First voltage is simultaneously supplied to first voltage input terminal, wherein second voltage is 5V DC voltage, and first voltage is 3.3V direct current
Pressure.The present embodiment, second power supply module can use LD39015M33R chip, and the 5V for will input from Sensing interface CN2 is straight
Galvanic electricity pressure is converted to 3.3V DC voltage, and exports as control module U1, light sensing module U2, sound sensing module U3 and conversion
Module U4 and working power.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment here, is able to carry out for a person skilled in the art various apparent
Variation is readjusted and is substituted without departing from the protection scope of the utility model.Therefore, although by above embodiments to this
Utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from this reality
It can also include more other equivalent embodiments in the case where with novel design, and the scope of the utility model is by appended power
Sharp claimed range determines.
Claims (10)
1. a kind of sensing circuit characterized by comprising
Light sensing module generates photoinduction digital signal for sense ambient light intensity；
Sound sensing module answers digital signal for sensing ambient sound generation phonoreception；
Control module connects the light sensing module and the sound sensing module by the first communication line, to receive the light
Incude digital signal harmony and incudes digital signal；
Conversion module connects the control module by the second communication line；
Sensing interface, the Sensing interface are connected to the control by first communication line or second communication line
Module, the Sensing interface also pass through third communication connection to the conversion module, and first communication line, second are led to
Letter route and third communication route are used for transmission the signal of different communication protocol.
2. sensing circuit according to claim 1, which is characterized in that first communication line is I2C bus, described
Two communication lines are UART signal line, and the third communication route is RS485 signal wire.
3. sensing circuit according to claim 1, which is characterized in that the control module is singlechip chip, the light
Sensing module is optical sensor, the sound sensing module is silicon wheat sensor.
4. sensing circuit according to claim 3, which is characterized in that the control module includes communication ends PA5 and communication
PA6 is held, the light sensing module includes that communication port SCL and communication port SDA, the communication port SCL are connected to communication ends
PA5 is used for transmission photoinduction clock signal, and the communication port SDA is connected to the communication ends PA6 and is used for transmission the light sensation
Answer digital signal.
5. sensing circuit according to claim 3, which is characterized in that the control module includes communication ends PA5 and communication
PA6 is held, the sound sensing module includes that communication port CLK and communication port DATA, the communication port CLK are connected to described logical
Believe end PA5, is used for transmission phonoreception and answers clock signal, the communication port DATA is connected to the communication ends PA6 and is used for transmission institute
It states phonoreception and answers digital signal.
6. sensing circuit according to claim 3, which is characterized in that the control module includes communication ends PA10 and communication
PA9 is held, the conversion module includes port RO and port DI, and the port RO is connected to the communication ends PA10 and is used for transmission
The clock signal of UART protocol, the port DI are connected to the data-signal that the communication ends PA9 is used for transmission UART protocol.
7. sensing circuit according to claim 6, which is characterized in that the conversion module further includes port A and port B,
The Sensing interface includes port 1, port 2, port 3 and port 4, and the port 3 is connected to the port A and is used for transmission
RS485 agreement first passage signal, the port 4 are connected to the port B and are used for transmission RS485 agreement second channel signal；
The port 3 is also connected to the clock signal that the communication ends PA10 is used for transmission UART protocol, and the port 4 is also connected to institute
State the data-signal that communication ends P9 is used for transmission UART protocol；The port 1 is connected to second voltage input terminal, the port 2
Ground connection.
8. sensing circuit according to claim 7, which is characterized in that further comprise power module, be connected to described
Between two voltage input ends and first voltage input terminal, the second voltage input terminal is connected with Sensing interface for receiving second
Voltage, the power module is for switching to first voltage for second voltage and being supplied to the first voltage input terminal, the first electricity
Pressure is the supply voltage of the sensing circuit.
9. a kind of express delivery cabinet characterized by comprising
First communication module, for connecting host computer；
Second communication module, for connecting light source module and sensing circuit, the sensing circuit is any of claim 1 to 8
A kind of sensing circuit；
Micro-control unit connects the first communication module and the second communication module, and the micro-control unit is according to
The photoinduction digital signal harmony induction digital signal that sensing circuit generates carries out linearity light adjusting to light source module.
10. express delivery cabinet as claimed in claim 9, which is characterized in that it further comprise sensing circuit plate, the light sensing module
First face of sensing circuit plate, the control module, conversion module and Sensing interface setting are set with the light sensing module
In the second face of the sensing circuit plate.
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| CN201821874174.0U CN209280139U (en) | 2018-11-14 | 2018-11-14 | Sensing circuit and express delivery cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211402A (en) * | 2018-11-14 | 2019-01-15 | 深圳市丰巢科技有限公司 | Sensing circuit and express delivery cabinet |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211402A (en) * | 2018-11-14 | 2019-01-15 | 深圳市丰巢科技有限公司 | Sensing circuit and express delivery cabinet |
| CN109211402B (en) * | 2018-11-14 | 2023-09-26 | 深圳市丰巢科技有限公司 | Sensing circuit and express cabinet |
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Address after: 16F, building 2, yongxinhui, no.4078 Dongbin Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Fengchao Network Technology Co.,Ltd. Address before: 16F, building 2, yongxinhui, no.4078 Dongbin Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Fengchao Network Technology Co.,Ltd. |