CN109839149A - Power control method, temperature-humidity detecting device and temperature/humiditydetection detection system - Google Patents
Power control method, temperature-humidity detecting device and temperature/humiditydetection detection system Download PDFInfo
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Abstract
This application discloses a kind of power control method, temperature-humidity detecting device and temperature/humiditydetection detection systems.The power control method is applied to temperature-humidity detecting device, and power control method includes: to receive the first wake-up packet that micro-control unit includes unique encodings；According to the first wake-up packet, the working time is set；Based on the working time, first state or the second state are set by the GPIO interface, to control the power supply state of electric power source pair of module Temperature and Humidity module.The power supply state that the application can control electric power source pair of module Temperature and Humidity module by changing the state of GPIO interface reduces the wasting of resources to reduce the power consumption of temperature-humidity detecting device.
Description
Technical field
This application involves Temperature and Humidity technical fields, fill more particularly to a kind of power control method, Temperature and Humidity
It sets and temperature/humiditydetection detection system.
Background technique
Internet of Things can be realized information-based, the long-range management control between people and object, object and object as new information technology
System and intelligence.
The temperature-humidity detecting device for being currently applied to Internet of Things generally guarantees to detect by the way of internal continued power
Temperature information and humidity information it is complete and accurate, the problem of but it is excessive to will cause power consumption simultaneously, the wasting of resources.
Summary of the invention
In order to solve the above problem existing for the temperature-humidity detecting device of the prior art, the application provides a kind of power supply control
Method, temperature-humidity detecting device and temperature/humiditydetection detection system processed.
In order to solve the above technical problems, this application provides a kind of power control method, the power control method application
In temperature-humidity detecting device, the power control method includes:
Receive the first wake-up packet comprising unique encodings；
According to first wake-up packet, the working time is set；
Based on the working time, first state or the second state are set by the GPIO interface, to control power supply mould
Power supply state of the block to Temperature and Humidity module.
In order to solve the above technical problems, present invention also provides a kind of temperature-humidity detecting device, the Temperature and Humidity dress
It sets and includes at least micro-control unit, connecting line, power module and Temperature Humidity Sensor；
Wherein, the Temperature Humidity Sensor is connect by the connecting line with the micro-control unit；
The micro-control unit further comprises GPIO interface, the micro-control unit by the GPIO interface with it is described
Power module connection；The micro-control unit controls the GPIO interface according to above-mentioned power control method and switches to the first shape
State or the second state, to control whether the power module supplies electricity to the Temperature Humidity Sensor.
In order to solve the above technical problems, the computer storage is situated between present invention also provides a kind of computer storage medium
Matter is stored with program data, and described program data can be performed to realize above-mentioned power control method.
In order to solve the above technical problems, present invention also provides a kind of temperature/humiditydetection detection system, the Temperature and Humidity system
System include radio network gateway, remote server and above-mentioned temperature-humidity detecting device, multiple temperature-humidity detecting devices with it is described
Radio network gateway establishes connection, and the remote server obtains temperature from the temperature-humidity detecting device by the radio network gateway
Information and humidity information.
Compared with prior art, temperature-humidity detecting device can be arranged according to the first wake-up packet comprising unique encodings
GPIO interface is respectively at the time of first state and the second state；When GPIO interface is in first state or the second state,
Temperature-humidity detecting device controls power module and provides electric energy to Temperature and Humidity module or stop providing electric energy.
Detailed description of the invention
Fig. 1 is the schematic diagram for the temperature/humiditydetection detection system that the application is applied to cold chain；
Fig. 2 is the structural schematic diagram of one embodiment of the application temperature-humidity detecting device；
Fig. 3 is the timing diagram of temperature/humiditydetection detection system in Fig. 1；
Fig. 4 is the structural schematic diagram of another embodiment of the application temperature-humidity detecting device；
Fig. 5 is the flow diagram of one embodiment of the application temperature-humidity detecting device power control method；
Fig. 6 is the structural schematic diagram of one embodiment of the application Temperature Humidity Sensor；
Fig. 7 is the structural schematic diagram popped one's head in Fig. 6 Temperature Humidity Sensor；
Fig. 8 is the structural schematic diagram of window in Fig. 6 Temperature Humidity Sensor；
Fig. 9 is the structural schematic diagram of another embodiment of the application Temperature Humidity Sensor；
Figure 10 is the structural schematic diagram of the another embodiment of the application Temperature Humidity Sensor；
Figure 11 is the structural schematic diagram of the application Temperature Humidity Sensor another embodiment；
Figure 12 is the structural schematic diagram of one embodiment of the application computer storage medium.
Specific embodiment
With reference to the accompanying drawings and examples, the application is described in further detail.It is emphasized that following real
It applies example and is merely to illustrate the application, but scope of the present application is not defined.Likewise, following embodiment is only the application
Section Example and not all embodiments, those of ordinary skill in the art are obtained without creative efforts
The all other embodiment obtained, shall fall in the protection scope of this application.
The description and claims of this application and term " first ", " second ", " third ", " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should
Understand that the data used in this way are interchangeable under appropriate circumstances, so that embodiments herein described herein for example can
Implemented with the sequence other than those of illustrating or describing herein.In addition, term " includes " and " having " and they
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process, method of a series of steps or units,
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed
Or the other step or units intrinsic for these process, methods, product or equipment.
Referring to Figure 1, Fig. 1 discloses the schematic diagram in the application applied to the temperature/humiditydetection detection system 100 of cold chain, temperature
Dust humidity detection system 100 includes at least radio network gateway 11, temperature-humidity detecting device 12 and remote server 13.Wherein, temperature and humidity
Detection device 12 is checked for the temperature information and/or humidity information of object to be measured.
It include at least one temperature-humidity detecting device 12 in temperature/humiditydetection detection system 100, temperature-humidity detecting device 12 is installed
In cold chain environment, to obtain the temperature information and/or humidity information of the object to be measured in cold chain environment.
During cold chain, the carrier of stored product is generally refrigerating equipment.Refrigerating equipment can for refrigerator, refrigerator-freezer or
Refrigerating chamber etc., refrigerating equipment are mainly used for storing drug, vaccine or other articles for needing cold chain transportation.Specifically, temperature and humidity
Detection device 12 is mounted in refrigerating equipment or nearby, the temperature that temperature-humidity detecting device 12 is used to acquire in refrigerating equipment is believed
Breath and humidity information.
The revealed temperature/humiditydetection detection system 100 of the present embodiment includes radio network gateway 11 and multiple temperature-humidity detecting devices
12, wherein multiple temperature-humidity detecting devices 12 establish that whether there is or not line channels to connect with radio network gateway 11 in pre-determined distance.Therefore,
One-to-many communication may be implemented in the revealed radio network gateway 11 of this implementation and multiple temperature-humidity detecting devices 12.Temperature and Humidity
After device 12 acquires temperature information and the humidity information of refrigerating equipment, temperature-humidity detecting device 12 believes temperature information and humidity
Breath is sent to the radio network gateway 11 having connected, and temperature information and humidity information are uploaded to remote server again by radio network gateway 11
13。
Remote server 13 stores and processs the temperature information and humidity information of cold chain process, specifically, remotely
Server 13 analyzes temperature information and humidity information, detects whether to meet the warm and humid of cold chain process by default Threshold of Temperature And Humidity
Degree requires, to guarantee the requirement of specific low temperature environment in cold chain.Further, remote server 13 can also connect local computing
The record case of temperature information and humidity information and analysis result are passed through local by machine (not shown), remote server 13
Computer display, specifically, operation has corresponding application software on local computer, can be to receiving and temperature information and wet
Degree information is shown in the form of table, real-time curve etc., and C/S, B/S is supported to remotely access.
Specifically, when above-mentioned refrigerating equipment is cold-chain box, the temperature-humidity detecting device 12 of the present embodiment can be examined simultaneously
Survey the temperature and humidity outside cold chain box house and cabinet.As shown in Fig. 2, Fig. 2 is that the application temperature-humidity detecting device one is real
Apply the structural schematic diagram of example, temperature-humidity detecting device 200 include at least shell 21, first sensor 22, second sensor 23,
First connecting line 241, the second connecting line 242 and microcontroller (mcu) 211, the temperature-humidity detecting device are above-mentioned warm and humid
Spend detection device 12.
Wherein, microcontroller 211 and first sensor 22 are arranged in shell 21, and first sensor 22 connects by first
Wiring 241 is connect with microcontroller 211；Second sensor 23 is arranged outside shell 21, and second sensor 23 passes through the second connection
Line 242 is connect with microcontroller 211.First sensor 22 may be provided with the first integrated circuit 221, and second sensor 23 can be set
It is equipped with the second integrated circuit 231.In other embodiments, multiple first sensors 22 have can be set in temperature-humidity detecting device
With multiple second sensors 23, i.e., according to product demand, multiple sensors are can be set in temperature-humidity detecting device, for acquiring
Ambient temperature and humidity information.
Shell 21 can be set outside cold chain cabinet 201, such as shell 21 can be attached on the outer wall of cold chain cabinet 201.
In other embodiments, cold-chain box can pass through the modes such as groove, protruding part or fixed card buckle for temperature-humidity detecting device
It is fixed on cold chain cabinet 201.First sensor 22 is arranged outside cold chain cabinet 201, for detecting first outside cold chain cabinet 201
Temperature and humidity information.The setting of second sensor 23 can be inside cold chain cabinet 201, for detecting the in cold chain cabinet 201
Two temperature and humidity information.Specifically, second sensor 23 can be attached to 201 inner wall of cold chain cabinet, alternatively, second sensor 23 is also
It can be placed among 201 inside any position of cold chain cabinet or the transport article being placed in cold chain cabinet 201.In other realities
It applies in example, shell 21 can be set in cold chain cabinet 201, and second sensor 23 can be set outside cold chain cabinet 201.
Cold chain cabinet 201 may be provided with a through-hole, and the diameter of through-hole is slightly larger than the diameter of second sensor 23.Second connects
One end of wiring 242 passes through the through-hole of cold chain cabinet 201, and second sensor 23 is placed in cold chain cabinet 201.In through-hole
It is also provided with encapsulating structure, encapsulating structure is used to encapsulate the gap between the second connecting line 242 and through-hole, by second
Connecting line 242 is fixed on cold chain cabinet 201, to guarantee the ambient stable inside cold chain cabinet 201.
In other embodiments, the diameter for the through-hole that cold chain cabinet 201 is arranged is slightly larger than the diameter of the second connecting line 242.
Temperature-humidity detecting device to be mounted on 201 process of cold chain cabinet as follows: second sensor 23 is separated with the second connecting line 242,
And second sensor 23 is placed in cold chain cabinet 201；One end of second connecting line 242 is passed through into through-hole, and is passed through logical
The one end in hole is connect with second sensor 23.
The working principle of temperature-humidity detecting device described in detail below:
When the temperature and humidity information outside microcontroller 211 needs to obtain cold chain cabinet 201, microcontroller 211 needs elder generation
Wake up first sensor 22.It is specific as follows:
First integrated circuit 221 of first sensor 22 can be previously stored with unique identification code, 211 He of microcontroller
First integrated circuit 221 works when carrying out positive communication in wake-up period or duty cycle.First integrated circuit 221 is being called out
It is provided with first time window in the awake period, the second time window is provided in the duty cycle.Wherein, first time window exists
Position in wake-up period is determined that position of second time window within the duty cycle is determined by identification code by identification code, so that
Different location of the microcontroller 211 in wake-up period corresponds to multiple first time windows, and microcontroller 211 is in the duty cycle
Interior different location corresponds to multiple second time windows.
In wake-up period:
Microcontroller 211 sends the wake-up packet comprising unique encodings；First integrated circuit 221 in a dormant state, and
First time window monitors microcontroller 211, if it find that wake-up packet then starts to receive wake-up packet, and is terminating to work as
Enter the duty cycle after preceding wake-up period.
Within the duty cycle:
First integrated circuit 221 sends the identification code of first sensor 22 to microcontroller 211 in the second time window；
Microcontroller 211 receives different identification codes in the second different time windows, and finds corresponding biography according to identification code
Sensor.
Timing diagram as shown in Figure 3 needs and the first integrated circuit 221 and/or the second integrated electricity in microcontroller 211
When road 231 carries out positive communication, microcontroller 211 sends multiple wake-up packets.It wherein, include wake-up packet in each wake-up packet
Unique encodings, required average current is as shown in the T0-T1 period in Fig. 3 a at this time for microcontroller 211, one wake-up packet of every transmission
A corresponding pulse current.Microcontroller 211 is in the duty cycle of first sensor 22 and/or second sensor 23
Listening state, required average current is as shown in the T1-T2 period in Fig. 3 a at this time.
As shown in Fig. 3 b and Fig. 3 c, first sensor 22 or second sensor 23 determine in wake-up period according to identification code
First time window, such as: the first integrated circuit 221 according to a few positions of identification code, such as after three determine for 100
One time window is 100ms；Second integrated circuit 231 according to a few positions of identification code, such as after three determine for 250
One time window is 250ms；First integrated circuit 221 is monitored in 100ms, and the second integrated circuit is in 250ms
It is monitored.
If first sensor 22 or second sensor 23 when first time window is monitored less than wake-up packet, are terminating to work as
Next wake-up period is gone successively to after preceding wake-up period.Such as: the first integrated circuit 221 according to a few positions of identification code, such as
Three determine that first time window is 200ms for 200 afterwards, and microcontroller 211 does not send wake-up packet in 200ms；The
One integrated circuit 221 is monitored less than carrier wave, then in the case where entering after terminating current wakeup cycle T0-T1 in first time window t1
One wake-up period T1-T2, as shown in Figure 3d.
If the first integrated circuit 221 listens to wake-up packet in first time window t1, start to receive wake-up packet, and root
According to the serial number of the wake-up packet received, calculate into duty cycle T1-T2 and time for needing to wait for, for example, the first integrated electricity
The wake-up period of road 221 and the second integrated circuit 231 is disposed as 1000ms, and the first integrated circuit 221 is in first time window
100ms listens to the wake-up packet of serial number 100, and being calculated according to the serial number 100 of wake-up packet also needs equal 900ms could be into
Enter the duty cycle；Second integrated circuit 231 listens to the wake-up packet of serial number 250 in first time window 250ms, according to
The serial number 250 of wake-up packet, which is calculated, also needs equal 750ms just to can enter the duty cycle.First integrated circuit 221 and second is integrated
Circuit 231 can be determined previously according to the identification code of itself sends the of temperature and humidity information to microcontroller 211 in the duty cycle
Two time windows can specifically take latter three of identification code as the time point sent in second time period, for example, the first collection
Identification code at circuit 221 is 10100065, and the identification code of the second integrated circuit 231 is 10100075, then the first integrated circuit
221 65ms in the duty cycle sends the identification code of itself, the second collection to microcontroller 211 as the second time window
At 75ms of the circuit 231 in the duty cycle as the second time window, the identification of itself is sent to microcontroller 211
Code.Wherein, the first integrated circuit 221 and the second integrated circuit 231 can be in addition to the second time window in the duty cycle
Dormant state.
The identification code of the application can be 8, such as the first integrated circuit 221 can choose the several predetermined of factory number
Data on position obtain identification code, and are stored in the nonvolatile storage of the first integrated circuit 221, the second integrated circuit
231 can also obtain through the above way and store identification code.
In the present embodiment, the first integrated circuit 221 and the second integrated circuit 231 are only in the first time of wake-up period
Window is monitored, can in a dormant state, since the electric current needed under dormant state is small in the other time of wake-up period
In 5 μ A, therefore it can reduce the power consumption of the first integrated circuit 221 and the second integrated circuit 231；Moreover, the first integrated circuit 221
Microcontroller 211 can be monitored in first time window with the second integrated circuit 231, and warm and humid in the transmission of the second time window
Information is spent, the two-way communication with microcontroller 211 is realized.In addition, the first integrated circuit 221 and the second integrated circuit 231 divide
The second time window is not determined using itself identification code, to reduce different integrated circuits while send to microcontroller 211 warm and humid
A possibility that spending information, and then reduce and even avoid data collision between multiple integrated circuits improves between multiple integrated circuits
The reliability communicated with microcontroller 211.
Therefore, the temperature-humidity detecting device of the application can be divided by first sensor 22 and second sensor 23 simultaneously
Not Jian Ce varying environment temperature and humidity, to improve the experience effect of user.
In another embodiment, to further increase communication reliability, the first integrated circuit 221 and second is integrated electric
Third time window is additionally provided in the duty cycle on road 231, third time window is located at after the second time window, such as schemes
T3 shown in 3b-3c, by taking the communication process of the first integrated circuit 221 and microcontroller 211 as an example, in which:
After the identification code for receiving the first integrated circuit 221, then transmission immediately has confirmed that receives microcontroller 211
The confirmation packet of the identification code confirms to include the identification code for sending the first integrated circuit 221 of the identification code in packet.First is integrated
Circuit 221 monitors microcontroller 211 in third time window t3 after sending identification code to microcontroller 211,
To receive the confirmation packet that microcontroller 211 is sent after receiving identification code.First integrated circuit 221 is receiving confirmation packet
Afterwards, the identification code in confirmation packet is judged:
Determine confirmation packet in identification code it is consistent with the identification code that itself is stored when, the first integrated circuit 221 is in institute
It states and keeps dormant state in the remaining time of duty cycle, and in the first time window of next wake-up period to microcontroller
211 are monitored；
Determining, the identification code in confirmation packet and the identification code that itself stores are inconsistent or do not have in third time window
When receiving confirmation packet, the first integrated circuit 221 redefines another second time window according to corresponding identification code, and
The second time window in the subsequent work period repeats to send identification code to microcontroller 211.Wherein, the subsequent work period
After can abutting against current operating cycle.
The second time window that first integrated circuit 221 can use rear three determinations of identification code original, and using knowledge
Latter three of other code add the fourth from the last position of identification code and determining another second time window, can be avoided again simultaneously
Send data.For example, the identification code of the first integrated circuit 221 and the second integrated circuit 231 is respectively 10100065 Hes
10101065, the second time window that two integrated circuits are determined using latter three of identification code is 65ms, therefore two
Integrated circuit sends temperature and humidity information in the 65ms of second time period, leads to data collision, microcontroller 211 receives
The first integrated circuit 221 and the second integrated circuit 231 identification code error.Microcontroller 211 after receiving identification code,
The confirmation packet of the wrong identification code including receiving is sent, the first integrated circuit 221 and the second integrated circuit 231 are in third
Between window listen to confirmation packet, and judge confirmation packet in identification code and itself identification code it is inconsistent, therefore determine transmission data not
Success, and start retransmission mechanism:
First integrated circuit 221 is according to the corresponding with determination of latter three of the identification code fourth from the last positions plus identification code
Another second time window be 65+0=65ms, the second integrated circuit 231 according to it is same strategy determine corresponding another second
Time window is 65+1=66ms.65ms of first integrated circuit 221 in the subsequent work period retransmits identification code, and second is integrated
66ms of the circuit 231 in next period retransmits identification code.First integrated circuit 221 and the second integrated circuit 231 are another
The adjacent third time window of second time window continues to monitor the confirmation packet of microcontroller 211.Wherein, the first integrated circuit
If 221 and second integrated circuit 231 according to the confirmation packet received continue start retransmission mechanism, in each retransmission mechanism
In determined by the second time window strategy it is different from strategy before, when transmission data to reduce different sensors
Between it is identical a possibility that.
On the basis of temperature-humidity detecting device 200 of Fig. 2, the application also proposed another temperature-humidity detecting device,
Specifically refer to Fig. 4.
In the present embodiment, temperature-humidity detecting device 400 includes at least micro-control unit 41,42 and of Temperature Humidity Sensor
Power module 411.Micro-control unit 41 establishes connection by connecting line 43 and Temperature Humidity Sensor 42.
Wherein, micro-control unit 41 is connect with power module 411, i.e. the power port of micro-control unit 41 and power supply mould
Block 411 connects, and power module 411 is used to power to micro-control unit 41, so that micro-control unit 41 works normally.Microcontroller
Unit 41 is provided at least one GPIO interface 412, and Temperature Humidity Sensor 42 is connect by connecting line 43 with GPIO interface 412.
Wherein, micro-control unit 41 can control the level of the output of GPIO interface 412.GPIO is controlled in control unit 41
When the level that interface 412 exports is high level, micro-control unit 41 is powered by GPIO interface 412 to Temperature Humidity Sensor 42,
So that Temperature Humidity Sensor 42 works normally, detection obtains the temperature and humidity information of environment.GPIO interface is controlled in control unit 41
When the level of 412 outputs is low level, Temperature Humidity Sensor 42 stops working.
The Temperature Humidity Sensor 42 can be the revealed second sensor 23 of above-described embodiment, and details are not described herein.
The revealed temperature-humidity detecting device 400 of the present embodiment controls what GPIO interface 412 exported by control unit 41
Level powers to Temperature Humidity Sensor 42 with realizing, avoids additionally be arranged power supply and powers for Temperature Humidity Sensor 42, saving at
Sheet and space.
Present invention also provides a kind of power control method applied to temperature-humidity detecting device 400 in above-described embodiment,
Specifically refer to Fig. 5, the power control method specifically includes the following steps:
S51: the wake-up packet comprising unique encodings is received.
Wherein, temperature-humidity detecting device receives wake-up packet by micro-control unit 41, wherein wake-up packet includes unique compiles
Code.Wake-up packet can be directly inputted by way of switch by user, or can be arranged in the kernel code of micro-control unit 41
There is wake-up packet to generate code, in preset time, micro-control unit 41 automatically generates the wake-up packet comprising unique encodings.
S52: the working time is arranged according to wake-up packet, wherein the working time includes at least the first working time and the second work
Make the time.
Wherein, temperature-humidity detecting device 400 is provided with unique identification code, which is storable in micro-control unit
In 41.After receiving the wake-up packet comprising unique encodings, micro-control unit 41 is according to time cycle of identification code and wake-up packet
The working time is arranged in initial time.
Specifically, the first working time and the second working time is arranged in micro-control unit 41, within the first working time,
The temperature and humidity information of the control 42 continuous collecting environment of Temperature Humidity Sensor of micro-control unit 41；Within the second working time, micro-control
Unit 41 processed equally control Temperature Humidity Sensor 42 acquires the temperature and humidity information of environment, but during this period of time, micro-control unit
41 control the temperature and humidity information that Temperature Humidity Sensor 42 continues or stops acquisition environment according to wake-up packet, specifically refer to following
Step.
Wherein, the time span of the first working time and the second working time by the temporal information that includes in wake-up packet and/
Or the temporal information in identification code including.The temporal information for including in wake-up packet, the temporal information can pass through micro-control by user
Unit setting processed.Or the temporal information in identification code including can be to be arranged in 400 default setting of temperature-humidity detecting device
The optimal acquisition time for acquiring data, in optimal acquisition time, the collecting efficiency and acquisition matter of temperature-humidity detecting device 400
Amount is best.
After micro-control unit 41 obtains wake-up packet, when not analyzing temporal information from wake-up packet, micro-control unit
41 are arranged the first working time and the second working time according to the temporal information for including in identification code.When micro-control unit 41 obtains
After taking wake-up packet, and when analyzing from wake-up packet temporal information, micro-control unit 41 is believed according to the time for including in wake-up packet
Breath the first working time of setting and the second working time.
S53: within the first working time, high level is set by the GPIO interface of micro-control unit.
Wherein, within the first working time, micro-control unit 41 controls the temperature and humidity that Temperature Humidity Sensor 42 acquires environment
Information.
Specifically, within the first working time, micro-control unit 41 sets the level of GPIO interface 412 according to wake-up packet
It is set to high level.Temperature Humidity Sensor 42 works normally, to acquire the temperature and humidity information of environment.
S54: within the second working time, judge whether to receive the instruction that stops working.
Wherein, within the second working time, the level that GPIO interface 412 exports remains high level, Temperature Humidity Sensor
The temperature and humidity information of 42 continuous collecting environment.During this period of time, temperature-humidity detecting device 400 by micro-control unit 41 after
It is continuous to monitor other wake-up packets or other control instructions.
Micro-control unit 41 judge obtain message or instruction in whether include stop working instruction or relevant message and
Instruction.When do not include in the message or instruction of acquisition stop working instruction or micro-control unit 41 within the second working time
When not getting any message or instruction, the level that micro-control unit 41 controls GPIO interface 412 is maintained at high level, with
Control Temperature Humidity Sensor 42 continues to acquire the temperature and humidity information of environment, until the second working time terminated.When microcontroller list
It includes when stopping working to instruct, entering step S55 that member 41, which determines in the message or instruction of acquisition,.
S55: low level is set by the GPIO interface of micro-control unit.
Wherein, it receives after stopping working instruction, micro-control unit 41 is according to the instruction control temperature and humidity sensing that stops working
Device 42 stops working.
Specifically, singlechip chip 32 sets the level of GPIO interface 412 to from high level according to instruction is stopped working
Low level.When the level of GPIO interface 412 is low level, Temperature Humidity Sensor 42 enters off-line state.
At this point, power module 411 also to micro-control unit 41 provide electric energy, micro-control unit 41 continue monitor so that
The wake-up packet comprising unique encodings is received, to reawake Temperature Humidity Sensor 42.
In the present embodiment, wake-up packet or the instruction that stops working based on the received, the micro-control of temperature-humidity detecting device 400
Unit 41 processed is high level by the level of setting GPIO interface 34, so that Temperature Humidity Sensor 42 enters working condition；Or
The micro-control unit 41 of Temperature Humidity Sensor 42 is low level by the level of setting GPIO interface 412, so that temperature and humidity sensing
Device 42 enters off-line state；In the whole process, temperature-humidity detecting device 400 meets GPIO according to the instruction of micro-control unit
Mouth 412 switches between high level and low level, i.e., controllable Temperature Humidity Sensor 42 is between working condition and off-line state
Switching, entire power control method is easy to operate, can effectively improve the utilization rate of resource.
Present invention also provides a kind of Temperature Humidity Sensor applied to temperature-humidity detecting device, the Temperature Humidity Sensors
It is placed in detection environment, for the temperature and humidity information of acquisition testing environment, specifically referring to Fig. 6, Fig. 6 is the application temperature
The structural schematic diagram of one embodiment of humidity sensor.Wherein, Temperature Humidity Sensor 500 includes probe 51, and probe 51 includes framework
511, closed end 512 and open end 513.Wherein, framework 511 is a hollow cylindrical structure.It is set in the framework 511 of probe 51
It is equipped at least one window 5111.The integrated circuit 52 of Temperature Humidity Sensor 500 is provided in framework 511, integrated circuit 52 is used
In the temperature and humidity information of acquisition environment.
In one end of framework 511, probe 51 is provided with closed end 512, is provided with out in the other end probe 51 of framework 511
Mouth end 513, connecting line 53 are connect by open end 513 with integrated circuit 52.Wherein, micro- outside the connection of 53 one end of connecting line
Control unit, the other end extend to the integrated circuit 52 in framework 511, and and integrated circuit by the open end 513 of probe 51
52 electrical connections, so that integrated circuit 52 can transmit temperature and humidity information to external micro-control unit by connecting line 53.
The closed end 512 of probe 51 can be a bullet header structure, and the maximum cross-section area of closed end 512 is equal to or less than
The cross-sectional area of framework 511.512 one side of closed end is for preventing extraneous dust and other impurities from entering in framework 511, another party
Face is used to protect and the integrated circuit 52 in fixed frame 511.
The shape of closed end 512 is not limited to bullet header structure, is Fig. 6 Temperature Humidity Sensor referring specifically to Fig. 7, Fig. 7
The structural schematic diagram of middle probe.
In Fig. 7 a, pop one's head in 51 closed end 512 can be conical by its shape closed end 512, conical closure end 512 is separate
One end of framework 511 is the vertex at conical closure end 512, and the bottom surface at conical closure end 512 is overlapped with a surface of framework 511.
Since the cross-sectional area on the vertex at conical closure end 512 is sufficiently small, so that Temperature Humidity Sensor 500 passes through conical closure end 512
It sticks into the gap of cold chain article, it is easy to set up, it can preferably acquire the temperature and humidity information of cold chain article.
In Fig. 7 b, pop one's head in 51 closed end 512 can be a boss-shaped closing frame, the closed end 512 of boss-shaped
Cross-sectional area is less than the cross-sectional area of framework 511.Correspondingly, the closed end 512 with boss-shaped can be set in cold-chain box
Compatible groove.In cold-chain box install Temperature Humidity Sensor 500 when, pop one's head in 51 boss-shaped closed end 512 block
In the groove of cold-chain box, to achieve the effect that fixed Temperature Humidity Sensor 500, it is easy to accomplish, that improves user uses body
It tests.
Further, if 51 closed end 512 of in Fig. 7 c, popping one's head in can be a T-shaped closing frame.Wherein, T-shaped
Close frame.Wherein, T-shaped closed end 512 includes the first box 5121 and the second box 5122, the cross of the first box 5121
Sectional area is less than the cross-sectional area of framework 511, and the cross-sectional area of the second box 5122 is greater than the cross section of the first box 5121
Product is formed with the periphery in the first box 5121 with annular groove.Due to the cold chain article surface and contact surface in cold-chain box
It is uneven, when Temperature Humidity Sensor 500 are installed, the groove outside the first box 5121 can be embedded in cold chain article table
The raised zones of face or contact surface, without preferably fixing Temperature Humidity Sensor 500 the case where reequiping cold-chain box.
The structural schematic diagram popped one's head in above-mentioned Fig. 6 is corresponded to, window 5111 is provided in the framework 511 in probe 51, in frame
The integrated circuit 52 of Temperature Humidity Sensor 500 is provided in body 511.Wherein, the corresponding window 5111 of integrated circuit 52 is arranged in frame
Body 511.Integrated circuit 52 is correspondingly arranged with window 511, is conducive to the temperature information that integrated circuit 52 preferably detects environment
And humidity information, improve the detection accuracy and detection quality of Temperature Humidity Sensor 500.
In Fig. 6, window 5111 is shaped to square, and the size dimension and shape adaptation of window 5111 are in collection
At the size dimension and shape of circuit 52, to improve the detection effect of integrated circuit 52.The shape of window 5111 is not limited to just
Rectangular shape is the structural schematic diagram of window in Fig. 6 Temperature Humidity Sensor referring specifically to Fig. 8, Fig. 8.
In Fig. 8 a, window 5111 is shaped to rectangle；In Fig. 8 b, window 5111 is shaped to circle
Shape, to adapt to integrated circuit 52 of different shapes.Further, the quantity for window 5111 being arranged in framework 511 is not limited to one
A, in Fig. 8 c, there are two windows 5111, two windows 5111 to be oppositely arranged in framework 511 for setting in framework, integrates electricity
Road 52 can be arranged between two windows 5111 toward or away from closed end 512,51 two windows 5111 of setting of probe, can be with
So that the air that integrated circuit 52 detects constantly circulates, so that integrated circuit 52, which can be improved, obtains the accurate of temperature and humidity information
Property.Correspondingly, the size and shape of two windows 5111 can be different.
Wherein, 51 framework of probe, 511 diameter of Temperature Humidity Sensor 500 can be the mm of 5.0mm~5.8, closed end 512
Diameter is less than the diameter of framework 511, and the wall thickness of framework 511 and closed end 512 can be 0.3mm~0.7mm；Sensor integration electricity
The diameter on road 52 can be the mm of 2.2mm~2.8.Therefore, the volume of the Temperature Humidity Sensor 500 is very small, is easily installed.
Fig. 9 is referred to, the sensor of the present embodiment includes hollow framework 61, pcb board 62 is provided in framework 61,
Equipped with integrated circuit 63 on pcb board 62；Window 611 corresponding with integrated circuit 63 is equipped in framework 61, on window 611
It is provided with formed frame 612.The revealed sensor of the present embodiment is the revealed second sensor 23 of above-described embodiment, herein
It repeats no more.
Wherein, formed frame 612 is nested with window 611 and each other in interference fit.It is coated on the surface of window 611
Waterproof ventilated membrane 64, between the rim sandwiched and window 611 and formed frame 612 of waterproof ventilated membrane 64.Waterproof ventilated membrane 64 passes through
Window 611 and formed frame 612 are fixed, and window 611 and formed frame 612 are all the interference nested arrangements of " returning " font to seal
Close window.The material of waterproof ventilated membrane 64 includes high molecular polymerization species water-repellent paint, polyurethanes water-repellent paint and propylene
Sour water-repellent paint etc..
Certain waterproof performance is needed in pcb board 62 and the integrated circuit 63 being arranged on pcb board 62；In other embodiments
In, formed frame 612 is not provided in sensor, and waterproof ventilated membrane 64 is directly applied to pcb board 62 and/or integrated electricity
On road 63, to save the cost and material of sensor.
After the pcb board 62 and the progress waterproofing protection of integrated circuit 63 to sensor internal, the sensor of the present embodiment can
It is placed in liquid environment, without damaging the circuit structure of pcb board 62 and integrated circuit 63, to improve the anti-of sensor
Aqueous energy.
Further, since one end of framework 61 is connected with connecting line 65, connecting line 65 pass through one end of framework 61 with
The integrated circuit 63 carried on pcb board 62 or pcb board 62 connects, and is used for transmission the collected temperature and humidity information of integrated circuit 63.
In the junction of connecting line 65 and framework 61, the case where causing steam to enter is tended to, therefore, the present embodiment further exists
The junction of connecting line 65 and framework 61 is smeared using above-mentioned waterproof ventilated membrane 64 and is covered, to guarantee the waterproof effect of sensor
Fruit improves the service life of sensor.
Referring to Fig. 10, probe 700 includes framework 71, closed end 72 and open end 73.Wherein, framework 71 is one hollow
Structure is provided with pcb board 711 and integrated circuit 712 in framework 71.Wherein, integrated circuit 712 is mounted on pcb board 711, energy
Wiring and assembly problem are enough greatly reduced, the gentle input of labor of Automated water of manufacture probe 700 is improved.
In the present embodiment, pcb board 711 and the setting of integrated circuit 712 are in probe 700, and microcontroller setting is being visited
Outside first 700, therefore the size of pcb board 711 and integrated circuit 712 determines the actual size of probe 700, and then reduces pcb board
711 and integrated circuit 712 size be conducive to reduce probe 700 occupied space and manufacturing cost.
Connecting line 714 is additionally provided in probe 700, one end of connecting line 714 is arranged in framework 71, other end setting
It is connect outside framework 71, and with microcontroller, which is revealed second connecting line 242 of above-described embodiment.
Specifically, the pcb board 711 of the present embodiment is only equipped with integrated circuit 712 and corresponding with 714 quantity of connecting line
Interface.Therefore, the size dimension of pcb board 711 is consistent with the size dimension of integrated circuit 712, or bigger than integrated circuit 712
Small size is slightly larger.
Based on the design of above-mentioned pcb board 711 and integrated circuit 712, the diameter dimension of pcb board 711 is 2mm~4mm, example
If the diameter dimension of pcb board 711 can be 2mm, 3mm or 4mm；In order to which pcb board 711 and the setting of integrated circuit 712 are being visited
In first 700, therefore the diameter dimension for 700 inner walls of popping one's head in only needs the diameter dimension than pcb board 711 slightly larger, specifically, probe
The diameter dimension of 700 inner walls can be 3mm~5mm.
Referring to Figure 11, on the basis of probe 700 of above-described embodiment, the integrated circuit 712 of the present embodiment is by beating
The mode of glue or buckle is fixed on pcb board 711.In other embodiments, integrated circuit 712 can be welded by Surface Mount, straight cutting
Connect, straight cutting crimping etc. modes integrated circuit 712 is mounted on pcb board 711.
In the prior art, probe usually requires that the fixed structures such as fluted or fixing piece are arranged, for by pcb board and
Integrated circuit is installed to probe.The probe of the prior art is only capable of the pcb board for certain shape and size, and is unfavorable for more
New integrated circuit；In the manufacturing process of probe, it is also desirable to form corresponding fixed structure in framework, will increase manufacture work
Skill and manufacturing cost.
In the present embodiment, the cross-sectional area of closed end 72 is less than the cross-sectional area of framework 71.PCB plate 711 can be pros
Shape pcb board, the catercorner length of pcb board 711 is less than the diameter of 71 inner wall of framework, and the catercorner length of pcb board 711 is greater than
The diameter of closed end 72.It therefore,, only need to be by pcb board when installing pcb board 711 without installing fixed structure in probe 700
711 lay flat in framework 71, so that pcb board 711 slides into closed end 72；Since the catercorner length of pcb board 711 is greater than
The diameter of closed end 72, pcb board 711 can be fixed on closed end 72, so that pcb board 711 is fixed on closed end 72 or closed end 72
With the junction of framework 71.
Alternatively, pcb board 711 can also be less than the diameter of 71 inner wall of framework for round pcb board, the diameter of pcb board 711, and big
Diameter in closed end 72, the principle and above-mentioned square pcb board that round pcb board 711 is fixed in probe 700 are fixed on spy
Principle in first 700 is identical, and details are not described herein.Therefore, the probe 700 of the present embodiment subtracts without additional setting fixed structure
The manufacturing process and manufacturing cost of probe 700 less.
Present invention also provides a kind of the application also to provide a kind of computer storage medium, and as shown in Figure 12, computer is deposited
Storage media 800 is stored with program data, and program data can be performed to realize as in the application power control method embodiment
The method.
Involved method in the application power control method embodiment, when realizing with the shape of SFU software functional unit
Formula exist and when sold or used as an independent product, can store in a device, such as a computer-readable storage
In medium.Based on this understanding, the technical solution of the application substantially in other words the part that contributes to existing technology or
The all or part of person's technical solution can be embodied in the form of software products, which is stored in
In one storage medium, including some instructions are used so that computer equipment (it can be personal computer, server,
Or network equipment etc.) or processor (processor) execute all or part of each embodiment the method for the present invention
Step.And storage medium above-mentioned include: USB flash disk, it is mobile hard disk, read-only memory (ROM, Read-Only Memory), random
Access various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic or disk
Matter.
It should be noted that the above various embodiments belongs to same inventive concept, the description of each embodiment emphasizes particularly on different fields,
Not detailed place is described in separate embodiment, can refer to the description in other embodiments.
Protection circuit and control system provided by the embodiment of the present application are described in detail above, answered herein
With specific case, the principle and implementation of this application are described, and the explanation of above example is only intended to help
Understand the present processes and its core concept；At the same time, for those skilled in the art, according to the thought of the application,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of application.
Claims (10)
1. a kind of power control method, which is characterized in that the power control method is applied to temperature-humidity detecting device, the electricity
Operated control method includes:
Receive the first wake-up packet comprising unique encodings；
According to first wake-up packet, the working time is set；
Based on the working time, first state or the second state are set by the GPIO interface, to control electric power source pair of module
The power supply state of Temperature and Humidity module.
2. power control method according to claim 1, which is characterized in that the working time included the first working time
With the second working time；
The described the step of working time is arranged according to first wake-up packet, further comprise:
According to first wake-up packet, first working time and second working time are set；
It is described to be based on the working time, the step of setting first state or the second state for the GPIO interface, further
Include:
Within first working time, first state is set by the GPIO interface, so that the power module is to described
Temperature and Humidity module for power supply；
Within second working time, set the second state for the GPIO interface so that the power module stop to
The Temperature and Humidity module for power supply.
Wherein, the first state is high level state, and second state is low level state.
3. power control method according to claim 2, which is characterized in that it is described within second working time, it will
The GPIO interface is set as the second state, so that the power module stops to the step of the Temperature and Humidity module for power supply
Suddenly, further comprise:
Within second working time, judge whether to receive the instruction that stops working；
If so, the second state is set by the GPIO interface according to the instruction that stops working, so that the power module
Stop to the Temperature and Humidity module for power supply.
4. power control method according to claim 2, which is characterized in that it is described within second working time, it will
The GPIO interface is set as the second state, so that the step of power module stops to the Temperature and Humidity module for power supply
Later, the power control method further include:
Within second working time, judge whether to receive the first wake-up packet comprising unique encodings；
If it is not, setting the second state for the GPIO interface after second working time.
5. power control method according to claim 2, which is characterized in that it is described within second working time, it will
The GPIO interface is set as the second state, so that the power module stops to the step of the Temperature and Humidity module for power supply
Suddenly, further comprise:
Within second working time, the second wake-up packet comprising unique encodings is received；
Judge whether second wake-up packet is identical as first wake-up packet；
If it is not, then the second state is set by the GPIO interface, so that the power module stops to the Temperature and Humidity
Module for power supply.
6. a kind of temperature-humidity detecting device, which is characterized in that the temperature-humidity detecting device includes at least micro-control unit, connection
Line, power module and Temperature Humidity Sensor；
Wherein, the Temperature Humidity Sensor is connect by the connecting line with the micro-control unit；
The micro-control unit further comprises GPIO interface, and the micro-control unit passes through the GPIO interface and the power supply
Module connection；The micro-control unit is according to the power control method control as described in claim 1-5 any one
GPIO interface switches to first state or the second state, to control whether the power module supplies electricity to the temperature and humidity sensing
Device.
7. temperature-humidity detecting device according to claim 6, which is characterized in that the Temperature Humidity Sensor includes temperature and humidity
Detection module, the Temperature and Humidity module are connect by the connecting line with the GPIO interface with the power module, institute
Temperature and Humidity module is stated for detecting the temperature information and humidity information of environment；
The first state of the GPIO interface is high level state, and second state is low level state；
When the GPIO interface is in high level state, the Temperature and Humidity module enters working condition；As the GPIO
When interface is in low level state, the Temperature and Humidity module enters off-line state.
8. temperature-humidity detecting device according to claim 7, which is characterized in that the Temperature Humidity Sensor further includes visiting
Head, the probe are connect with the connecting line, and the probe is for accommodating the Temperature and Humidity module；
The probe includes framework, blind end and open end, and the closed end is arranged in one end of the framework, and institute is arranged in the other end
Open end is stated, the connecting line is connect by the open end with the Temperature and Humidity module.
9. a kind of computer storage medium, which is characterized in that the computer storage medium is stored with program data, described program
Data can be performed to realize power control method according to any one of claims 1 to 5.
10. a kind of temperature/humiditydetection detection system, which is characterized in that the temperature/humiditydetection detection system includes radio network gateway, remote service
Device and the temperature-humidity detecting device as described in claim 6-8 any one, multiple temperature-humidity detecting devices and the nothing
Connection is established in gauze pass, and the remote server obtains temperature information from the temperature-humidity detecting device by the radio network gateway
And humidity information.
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| CN201811642335.8A CN109839149A (en) | 2018-12-29 | 2018-12-29 | Power control method, temperature-humidity detecting device and temperature/humiditydetection detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811642335.8A CN109839149A (en) | 2018-12-29 | 2018-12-29 | Power control method, temperature-humidity detecting device and temperature/humiditydetection detection system |
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