CN207398888U - A kind of self-powered Internet of Things identification device - Google Patents
A kind of self-powered Internet of Things identification device Download PDFInfo
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- CN207398888U CN207398888U CN201721520871.1U CN201721520871U CN207398888U CN 207398888 U CN207398888 U CN 207398888U CN 201721520871 U CN201721520871 U CN 201721520871U CN 207398888 U CN207398888 U CN 207398888U
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- rechargeable battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
Abstract
A kind of self-powered Internet of Things identification device including sequentially connected dye-sensitized photovoltaic cell, battery management circuit, the first rechargeable battery and communication module group, contains microcontroller in the communication module group；It after the dye-sensitized photovoltaic cell captures luminous energy, charges by the battery management circuit to shown first rechargeable battery, first rechargeable battery is supplied to the communication module group and the electric power needed for microcontroller；The utility model use with power generation threshold is low, flexible lightweight, environmental protection and low cost dye-sensitized photovoltaic cell gathered into line light source, pass through electric energy process circuit of arranging in pairs or groups and realize self-powered function.
Description
Technical field
The utility model is related to internet of things field more particularly to a kind of self-powered Internet of Things identification devices.
Background technology
Internet of Things (IOT) to can reforwarding forever make, self-powered must be just realized, without needing to change battery；Therefore in order to
From remote location acquisition data, sensor node is developed exclusively for Internet of Things (IOT), it is necessary to the greatest extent may be used after the charging of every primary cell
Maximum duration can be operated.In the ideal case, it is therefore desirable to completely without battery is replaced, be because replacing battery and can be significantly increased
The complexity of reason under the overall leadership, it is impossible to having inconvenient traffic or dismounting the place transport being not easy or replace battery, avoid generating high dimension
Shield expense.
The method that battery need not be replaced preferably allows system to obtain the energy from its local environment, and the moment fills built-in battery
Electricity is obtained through photoelectricity, the less radio-frequency energy, pressure, thermal energy and air or fluid motion.
In environmental energy recycles power field, there are mainly four types of technologies：Luminous energy, thermal energy, shock energy, radio wave,
In indoor use is best suited for luminous energy again.Explicitly pointing out photovoltaic technology and pyroelectric technology in a reports of IDTechEx can provide
Highest energy, but heat energy technology must have apparent difference variation and could generate electricity, and do not meet indoor environment use.
It is also mentioned in the report of Texas Instruments, indoor luminous energy highest can provide 100 μ W/cm2Energy, this energy
Indoor wireless sensing device further institute electricity demand can be provided, with respect to other environmental energy capture techniques, this technology only need to be by sensor cloth
Building the indoor place for having light in can provide sensor enough power sources.
But in fact, the efficiency of electronic sensor systems is too low, lead to not be completely dependent on the environment acquirement energy.But,
If the electric power of long endurance battery with the utmostly operation environment energy, can still be possible to, simply so doing can increase
The complexity of adding system design.
One of key issue is exactly that electric energy is difficult to gather because electric energy it is possible that for extremely low voltage or high voltage but
With difficult phase problem.Therefore, it is necessary to handle input by professional technique, adopted including boost converter with handling many
Collecting system is supplied to the low-voltage of system, the high impedance energy.In addition, the circuits such as boost converter can also cause high-frequency noise, do
Disturb radio communication.
Utility model content
In view of the deficiencies of the prior art, the utility model is intended to provide a kind of self-powered Internet of Things identification device, uses
To realize a hundred percent self-powered.
To achieve the above object, the utility model adopts the following technical solution：
A kind of self-powered Internet of Things identification device, including sequentially connected dye-sensitized photovoltaic cell, battery management circuit,
First rechargeable battery and communication module group contain microcontroller in the communication module group；
After the dye-sensitized photovoltaic cell captures luminous energy, first rechargeable battery is filled by the battery management circuit
Electricity, first rechargeable battery are supplied to the communication module group and the electric power needed for microcontroller.
Above-mentioned self-powered Internet of Things identification device is penetrated suitable using light energy in dye-sensitized photovoltaic cell collection room
When even if collocation electric energy process circuit realizes under light source indoors that sensor also can reach 100% self-powered.
Further, the self-powered Internet of Things identification device further includes the second rechargeable battery, first switch and
Two switches, the first switch are connected with first rechargeable battery, and the second switch is connected with second rechargeable battery,
The first switch is closed, and when second switch disconnects, the communication module group and microcontroller institute are supplied to by the first rechargeable battery
The electric power needed；The first switch disconnects, and when the second switch is closed, the communication module group is supplied to by the second rechargeable battery
And the electric power needed for microcontroller.
Further, the self-powered Internet of Things identification device further includes the second rechargeable battery and switch, and described second
Rechargeable battery is connected with the switch, and the switch is also connected with the first rechargeable battery and communication module group, described to switch to cut
It changes as the electric power needed for the first rechargeable battery or the second rechargeable battery are supplied to the communication module group and microcontroller.
Further, the battery management circuit is TI BQ25504 or ADI ADP5090/ADP5310 or Maxim
Integrated MAX17710 or Linear Technology LTC3105, LTC3331 or Cymbet CBC915/
The battery management boosting integrated circuit of CBC050 or Cypress S6AE101A.
Further, circuit board is flexible circuit board used by the battery management circuit.
Above-mentioned circuit board is flexible circuit board, can be effectively attached on glass.
Further, the communication module group is any one of low-power consumption bluetooth, ZIGBEE, LPWAN or WIFI or several
Kind.
Further, first rechargeable battery is thin-type flexible battery.
Further, the outside of the self-powered Internet of Things identification device is additionally provided with charging module.
Above-mentioned charging module uses for backing up, it is contemplated that charging module can be used to logical in the design of waterproof if necessary
News module and microcontroller charge.
Further, the self-powered Internet of Things identification device further includes sensor assembly, the sensor assembly with
The communication module group connection.
Further, the sensor assembly is accelerometer, Hygrothermograph, CO2 sensors, pir sensor, illumination photometer
Or one or more of CO sensors, PM2.5 sensors, sensor noise, motion sensor.
Further, the self-powered Internet of Things identification device uses the packaged type of name card type, is easy to be attached at object
Product surface makes the dye-sensitized photovoltaic cell easily be gathered into line light source.
Further, the microcontroller is arranged in pairs or groups the electric-quantity monitoring of first rechargeable battery, according to battery capacity and
Charging rate determines the broadcasting frequency of the communication module group, further judges to move according to acceleration, determines the frequency of broadcast.
The utility model use with power generation threshold is low, flexible lightweight, environmental protection and low cost dye-sensitized photovoltaic cell
It is gathered into line light source, by arranging in pairs or groups, electric energy process circuit realizes self-powered function.
Description of the drawings
Fig. 1 is the electrical block diagram of the utility model self-powered Internet of Things identification device；
The physical structure diagram of Fig. 2 the utility model Fig. 1；
Fig. 3 is another electrical block diagram of the utility model self-powered Internet of Things identification device；
Fig. 4 is another electrical block diagram of the utility model self-powered Internet of Things identification device；
Fig. 5 is another electrical block diagram of the utility model self-powered Internet of Things identification device；
Fig. 6 is the physical structure diagram of the utility model Fig. 5.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the utility model is described further：
Embodiment 1
As shown in Figure 1, a kind of self-powered Internet of Things identification device, better embodiment includes sequentially connected dyestuff
Photocell (DSC), battery management circuit, the first rechargeable battery and communication module group are sensitized, contains microcontroller in communication module group,
First rechargeable battery is chargeable secondary cell or super capacitor；
It after dye-sensitized photovoltaic cell captures luminous energy, charges by battery management circuit to the first rechargeable battery, first charges
Electric power of the battery supplied needed for the communication module group and microcontroller.The battery management boosting that battery management circuit is TI is integrated
Circuit, using the wiring diagram of bp25505.Communication module group can be selected in low-power consumption bluetooth, ZIGBEE, LPWAN or WIFI
It is any one or several.The outside of self-powered Internet of Things identification device also optionally sets charging module, makes to back up
With.
Fig. 2 is that the use such as the IOT-ID devices that name card type is packaged into using the circuit of Fig. 1 as framework, circuit unit is soft
Property circuit board is realized, while battery also selects thin-type flexible battery, and carrys out encapsulated circuit using the high high molecular material of amount of deflection
Then component, circuit board and thin battery are combined outside it with soft DSC.
As shown in Fig. 2, the circuit unit including being encapsulated in high molecular material：Include the electricity of upper casing 7, bottom case 8 and inside
Road 2, soft battery 3 are attached at the dye-sensitized photovoltaic cell (DSC) 1 of upper casing 7 and the charging module 4 of external connection, dyestuff
The anode of sensitization photocell (DSC) 1 is then formed with negative terminal contact through upper casing 7 and the DSC joint welds of circuit board, and bottom case 8 is then
One start button 5 and a pair of of charging module interface electrode 6 are set, and charging module 4 is connected with charging module interface electrode 6；
Charging module 4 and charging module interface electrode 6 are optionally, to be not necessarily required to use.
The dye-sensitized photovoltaic cell (DSC) of the present embodiment is as long as the illumination of 1 place more than 200lux indoors can be to filling
Battery charges, and provides communication module group running, reaches the effect of self-powered is non-maintaining；Walk outdoors, have daytime sunlight or
Person rainy days, as long as having the illumination of more than 200lux or night street lamp or tunnel illumination that can also provide charging.Under normal condition,
By taking CC2640R2F BLE bluetooth modules as an example, it is electric current=1uA to work in power consumption under standby, can carry out DSC's at this time
It charges.If CC2640 BLE broadcast in every 10 seconds is once, once broadcast lasts 0.5second, then needs 20mW x 0.5sec=
10mW sec.And DSC effective areas 24cm2In T5@200lux；Under 25 degree of C of environment temperature, open-circuit voltage is about 1.03V, short circuit
Electric current is about 200uA；Pmax=177uW, the electric energy being capable of providing deduct the power consumptions such as booster circuit and about remain as 5.0uW/
cm2x24cm2(DSC areas) x9sec (charging time)=10.8mW sec.So the data of broadcast in every 10 seconds, are carried using DSC
It is sufficient for energy needed for BLE.
Embodiment 2
As shown in figure 3, difference lies in, self-powered Internet of Things identification devices to further include for the present embodiment and embodiment 1
Two rechargeable batteries, first switch and second switch, second rechargeable battery one end is connected with battery management/booster circuit, another
End is connected with second switch；The other end of second switch is connected with wireless telecommunications module and microcontroller；The one of first switch
End is connected with the first rechargeable battery, and the other end is connected with wireless telecommunications module and microcontroller；When first switch be closed, second
When switch disconnects, the electric power as needed for the first battery supplied to the communication module group and microcontroller；When first switch disconnects, the
When two switches are closed, the electric power as needed for the second battery supplied to the communication module group and microcontroller.Above-mentioned first is charged
Battery is secondary cell/super capacitor, and the second rechargeable battery is main battery.
Embodiment 3
As shown in figure 4, the present embodiment is with embodiment 2, difference lies in be reduced into the first switch of Fig. 3 with second switch
Single switch；To switch as the electric power needed for main battery or secondary cell provisioning wireless communication module group；
Embodiment 4
As shown in figure 5, the present embodiment is with embodiment 1, difference lies in self-powered Internet of Things identification device further includes biography
Sensor module, the sensor assembly are connected with the communication module group.
As shown in fig. 6, bottom case 8 is set, there are one start button 5 and two pairs of sensor module interface electrodes, sensor dies
Block 9 is connected with sensor module interface electrode.
The sensor can be accelerometer, Hygrothermograph, CO2 sensors, pir sensor, illumination photometer or CO sensings
One or more of device, PM2.5 sensors, sensor noise, motion sensor.Since sensor can be according to application scenarios
Demand, required sensor assembly is selected to combine, can be may be selected with All-in-One, the interface of sensor assembly and basic I/O T-ID
UART, SPI or I2C, while need to provide power supply contact, supply the electric power needed for sensor assembly.
Self-powered Internet of Things identification device in above-mentioned each embodiment can be applied in various products, such as：
Electronic license plate, permit identification, electronic tag, wisdom school bag and resource management etc.；Adaptability is done according to the different demands of different product
Adjustment.
The utility model use with power generation threshold is low, flexible lightweight, environmental protection and low cost dye-sensitized photovoltaic cell
It is gathered into line light source, by arranging in pairs or groups, electric energy process circuit realizes self-powered function.Preferable mode is a kind of name card type
Packaged type easily becomes electronic license plate, permit identification, famous brand etc., is attached at the appearance of various articles, makes dye-sensitized photovoltaic cell
Easily gathered into line light source.The electric-quantity monitoring of MCU collocation batteries, nothing is determined according to the current electricity of battery and the speed to charge
The frequency of line communication module broadcast further judges to move, determines the frequency of broadcast according to accelerometer.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
For those skilled in the art, the technical solution recorded in previous embodiment can still be repaiied
Change and equivalent substitution either is carried out to which part or all technical characteristic；And these modifications or replacement, do not make corresponding skill
The essence of art scheme departs from the scope of protection of the utility model.
Claims (11)
1. a kind of self-powered Internet of Things identification device, it is characterised in that：Including sequentially connected dye-sensitized photovoltaic cell, battery
Circuit, the first rechargeable battery and communication module group are managed, contains microcontroller in the communication module group；
After the dye-sensitized photovoltaic cell captures luminous energy, charge by the battery management circuit to first rechargeable battery,
First rechargeable battery is supplied to the communication module group and the electric power needed for microcontroller.
2. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：Further include the second rechargeable battery,
First switch and second switch, the first switch are connected with first rechargeable battery, the second switch and described the
Two rechargeable batteries connect, and the first switch is closed, and when second switch disconnects, the communication mould is supplied to by the first rechargeable battery
Electric power needed for group and microcontroller；The first switch disconnects, and when the second switch is closed, is supplied by the second rechargeable battery
To the electric power needed for the communication module group and microcontroller.
3. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：Further include the second rechargeable battery and
Switch, second rechargeable battery are connected with the switch, and the switch is also connected with the first rechargeable battery and communication module group, institute
It is to be supplied to the communication module group and microcontroller institute by the first rechargeable battery or the second rechargeable battery that switch, which is stated, for switching
The electric power needed.
4. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：The battery management circuit is adopted
Circuit board is flexible circuit board.
5. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：The communication module group is low-power consumption
Any one of bluetooth, ZIGBEE, LPWAN or WIFI are several.
6. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：First rechargeable battery is thin
The flexible battery of type.
7. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：Charging mould is additionally provided with outside it
Block.
8. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：Sensor assembly is further included, institute
Sensor assembly is stated to be connected with the communication module group.
9. self-powered Internet of Things identification device as claimed in claim 8, it is characterised in that：The sensor assembly is acceleration
Spend meter, Hygrothermograph, CO2 sensors, pir sensor, illumination photometer or CO sensors, PM2.5 sensors, sensor noise, fortune
One or more of dynamic sensor.
10. self-powered Internet of Things identification device as described in claim 1, it is characterised in that：
Using the packaged type of name card type, it is easy to be attached at article surface, makes the dye-sensitized photovoltaic cell easily into line light source
Acquisition.
11. self-powered Internet of Things identification device as claimed in claim 9, it is characterised in that：
The electric-quantity monitoring of the microcontroller collocation first rechargeable battery, institute is determined according to battery capacity and charging rate
The broadcasting frequency of communication module group is stated, further judges to move according to acceleration, determines the frequency of broadcast.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721520871.1U CN207398888U (en) | 2017-11-15 | 2017-11-15 | A kind of self-powered Internet of Things identification device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721520871.1U CN207398888U (en) | 2017-11-15 | 2017-11-15 | A kind of self-powered Internet of Things identification device |
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| CN207398888U true CN207398888U (en) | 2018-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733042A (en) * | 2017-11-15 | 2018-02-23 | 厦门华方软件科技有限公司 | A kind of self-powered Internet of Things identification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733042A (en) * | 2017-11-15 | 2018-02-23 | 厦门华方软件科技有限公司 | A kind of self-powered Internet of Things identification device |
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