CN204928336U - Temperature becomes send device based on radio communication technique - Google Patents
Temperature becomes send device based on radio communication technique Download PDFInfo
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- CN204928336U CN204928336U CN201520458388.XU CN201520458388U CN204928336U CN 204928336 U CN204928336 U CN 204928336U CN 201520458388 U CN201520458388 U CN 201520458388U CN 204928336 U CN204928336 U CN 204928336U
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- switch
- voltage
- rechargeable battery
- pmos
- radio communication
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Abstract
The utility model provides a temperature becomes send device based on radio communication technique, includes temperature sensor, data processing device and wireless communication device, still includes: solar panel, it is the electric energy to be suitable for solar energy conversion, voltage stabilizing circuit, it is right to be suitable for the voltage of solar panel output carries out the steady voltage to be handled in order to obtain stabilizing the voltage, rechargeable battery is suitable for acceptance stabilizing the voltage charges, control circuit is suitable for when rechargeable battery's output voltage is less than reference voltage the control dry battery to temperature sensor data processing device and the wireless communication device power supply rechargeable battery's output voltage controlled when not being less than reference voltage rechargeable battery to temperature sensor data processing device and the wireless communication device power supply. The utility model provides a temperature becomes send device based on radio communication technique can realize the stable life who supplies power, prolongs rechargeable battery.
Description
Technical field
The utility model relates to wireless transmitter technical field, and particularly device is sent in a kind of change of the temperature based on wireless communication technology.
Background technology
Industry wireless network technology is another hot spot technology after fieldbus, is the most potential technology reducing automation cost, improve automated system range of application.Radio network technique introduced and is applied in industry spot, solving industry spot difficult wiring, installation and maintenance high in cost of production problem, under some particular surroundingss, effectively compensate for the deficiency of cable network, the perfect further communication performance of industrial control network.Traditional industry wireless network node adopts primary cell power supply, and primary cell can not meet the needs of industry wireless network node long-term work because of finite energy, thus needs periodic replacement.And in actual applications, industry wireless network node has the features such as quantity is many, distributed areas are wide, deployed environment is complicated, for some region (as battlefield, animal population, material internal etc.) that personnel can not directly arrive, primary cell can not often be changed.Therefore, the energy collected in natural environment is also converted to electric energy, realizes the self-powered of industry wireless network node, becomes one of current study hotspot.
Fig. 1 is that existing a kind of wireless temperature becomes the structural representation sending device, and described wireless temperature change send device to comprise temperature sensor 11, data processing equipment 12, radio communication device 13, solar panels 14, voltage stabilizing circuit 15 and rechargeable battery 16.Particularly, described temperature sensor 11 is suitable for the temperature transition of test environment is analog voltage signal; Described data processing equipment 12 is suitable for described analog voltage signal to be converted to the wireless data being suitable for wireless transmission; Described radio communication device 13 is suitable for described Wireless Data Transmission to Surveillance center at a distance; Described solar panels 14 are suitable for solar energy to be converted to electric energy; The voltage that described voltage stabilizing circuit 15 is suitable for described solar panels 14 export carries out voltage stabilizing process to obtain burning voltage; Described rechargeable battery 16 is suitable for the charging accepting described burning voltage, and powers to described temperature sensor 11, described data processing equipment 12 and described radio communication device 13.
, charging and discharging not enough at solar energy carries out simultaneously, the voltage that described rechargeable battery 16 provides is very unstable, change in voltage amplitude is very large, is difficult to the normal work ensureing described temperature sensor 11, described data processing equipment 12 and described radio communication device 13.Further, the charging times of described rechargeable battery 16 is limited, and discharge and recharge causes shorten the useful life of described rechargeable battery 16 frequently.
Utility model content
To be solved in the utility model is that device supply power voltage shakiness, unabiding problem of powering are sent in wireless temperature change.
For solving the problem, the utility model provides a kind of temperature based on wireless communication technology to become and send device, comprise temperature sensor, data processing equipment and radio communication device, also comprise: solar panels, voltage stabilizing circuit, rechargeable battery, dry cell and control circuit; Described solar panels are suitable for solar energy to be converted to electric energy; Described voltage stabilizing circuit is connected with described solar panels, is suitable for carrying out voltage stabilizing process to obtain burning voltage to the voltage that described solar panels export; Described rechargeable battery is connected with described voltage stabilizing circuit, is suitable for the charging accepting described burning voltage; Described control circuit is connected with described rechargeable battery and described dry cell, being suitable for powering to described temperature sensor, described data processing equipment and described radio communication device lower than controlling described dry cell during reference voltage at the output voltage of described rechargeable battery, controlling described rechargeable battery when the output voltage of described rechargeable battery is not less than reference voltage and powering to described temperature sensor, described data processing equipment and described radio communication device.
By arranging described control circuit, control described rechargeable battery and described dry cell is powered to described temperature sensor, described data processing equipment and described radio communication device in turn, when avoiding output voltage that is not enough at solar energy, described rechargeable battery lower, described rechargeable battery discharges while charging, thus extend the useful life of described rechargeable battery, and provide stable voltage by described dry cell.
Optionally, described rechargeable battery is lithium battery.
Optionally, described reference voltage is lower than the charging voltage of described rechargeable battery.
Optionally, described control circuit comprises: voltage comparator, the first switch and second switch;
Described voltage comparator is suitable for output voltage at described rechargeable battery lower than producing the first control signal during reference voltage, produces the second control signal when the output voltage of described rechargeable battery is not less than reference voltage;
One end of described first switch is suitable for the output voltage receiving described rechargeable battery, the other end of described first switch connects the power end of one end of described second switch, the power end of described temperature sensor, the power end of described data processing equipment and described radio communication device, the control end of described first switch connects the control end of described second switch and is suitable for receiving described first control signal or described second control signal, and the other end of described second switch is suitable for the output voltage receiving described dry cell;
Described first control signal controls described first switch cut-off, controls described second switch conducting, and described second control signal controls described first switch conduction, controls the cut-off of described second switch.
Optionally, described first switch comprises: the first NMOS tube, the first PMOS and the first inverter;
The drain electrode of described first NMOS tube connect described first PMOS source electrode and as one end of described first switch, the source electrode of described first NMOS tube connect described first PMOS drain electrode and as the other end of described first switch, the grid of described first NMOS tube connects the input of described first inverter and as the control end of described first switch, the output of described first inverter connects the grid of described first PMOS.
Optionally, described second switch comprises: the second NMOS tube, the second PMOS and the second inverter;
The drain electrode of described second PMOS connect described second NMOS tube source electrode and as one end of described second switch, the source electrode of described second PMOS connect described second NMOS tube drain electrode and as the other end of described second switch, the grid of described second PMOS connects the input of described second inverter and as the control end of described second switch, the output of described second inverter connects the grid of described second NMOS tube.
Optionally, described radio communication device is ZigBee R-T unit, WIFI R-T unit, bluetooth transceiver therein or 2.4G R-T unit.
Compared with prior art, the utility model has the following advantages:
The temperature based on wireless communication technology that the utility model provides becomes send device, is not only powered by the rechargeable battery of solar recharging, is also provided with dry cell power supply.When output voltage that is not enough at solar energy, rechargeable battery is lower, powered by dry cell, avoid rechargeable battery to discharge while charging, thus extend the useful life of rechargeable battery, ensure that the supply power voltage of temperature sensor, data processing equipment and radio communication device is stablized.
Accompanying drawing explanation
Fig. 1 is that existing a kind of wireless temperature becomes the structural representation sending device;
Fig. 2 is that the temperature based on wireless communication technology of the utility model embodiment becomes the structural representation sending device;
Fig. 3 is the structural representation of the control circuit of the utility model embodiment.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but execution mode of the present utility model is not limited thereto.
Fig. 2 is that the temperature based on wireless communication technology of the utility model embodiment becomes the structural representation sending device, and the described temperature based on wireless communication technology becomes send device to comprise temperature sensor 21, data processing equipment 22, radio communication device 23, solar panels 24, voltage stabilizing circuit 25, rechargeable battery 26, dry cell 27 and control circuit 28.
Particularly, it is analog voltage signal that described temperature sensor 21 is suitable for the temperature transition of test environment, described data processing equipment 22 is suitable for described analog voltage signal to be converted to the wireless data being suitable for wireless transmission, and described radio communication device 23 is suitable for described Wireless Data Transmission to Surveillance center at a distance.According to set communication, described radio communication device 23 can be ZigBee R-T unit, WIFI R-T unit, bluetooth transceiver therein or 2.4G R-T unit etc., and the utility model is not construed as limiting this.It should be noted that, described temperature sensor 21, described data processing equipment 22 and described radio communication device 23 all adopt existing structure, and the utility model does not do too much explanation to this.
Described solar panels 14 are suitable for solar energy to be converted to electric energy.The electric current produced due to described solar panels 14 is relevant with light intensity, the spread of voltage that described solar panels 14 export, thus arranges the voltage stabilizing circuit 15 be connected with described solar panels 14 and carries out voltage stabilizing process to obtain burning voltage to the voltage that described solar panels 14 export.Described rechargeable battery 26 is connected with described voltage stabilizing circuit 25, is suitable for the charging accepting described burning voltage.In the present embodiment, described rechargeable battery 26 is lithium battery.
Described control circuit 28 is connected with described rechargeable battery 26 and described dry cell 27, the output voltage of described rechargeable battery 26 and reference voltage is suitable for compare, powering to described temperature sensor 21, described data processing equipment 22 and described radio communication device 23 lower than controlling described dry cell 27 during reference voltage at the output voltage of described rechargeable battery 26, controlling described rechargeable battery 26 when the output voltage of described rechargeable battery 26 is not less than reference voltage and powering to described temperature sensor 21, described data processing equipment 22 and described radio communication device 23.Described reference voltage can be arranged according to the actual requirements, as long as lower than the charging voltage of described rechargeable battery 26.
When the output voltage of described rechargeable battery 26 is lower than reference voltage, described control circuit 28 controls described dry cell 27 and powers to described temperature sensor 21, described data processing equipment 22 and described radio communication device 23.The voltage stabilization that described dry cell 27 provides, can ensure that described temperature sensor 21, described data processing equipment 22 and described radio communication device 23 normally work.Further, avoid described rechargeable battery 26 and charge and discharge, extend the useful life of described rechargeable battery 26.
Fig. 2 is the structural representation of the described control circuit 28 of the utility model embodiment, and described control circuit 28 comprises voltage comparator 31, first switch S 1 and second switch S2.
Described voltage comparator 31 is suitable for comparing described rechargeable battery 26 and reference voltage V ref, at the output voltage of described rechargeable battery 26 lower than producing the first control signal during reference voltage V ref, produce the second control signal when the output voltage of described rechargeable battery 26 is not less than reference voltage V ref.One end of described first switch S 1 is suitable for the output voltage receiving described rechargeable battery 26, namely one end of described first switch S 1 connects the output of described rechargeable battery 26, the other end of described first switch S 1 connects one end of described second switch S2, the power end of described temperature sensor 21, the power end of described data processing equipment 22 and the power end of described radio communication device 23, the control end of described first switch S 1 connects the control end of described second switch S2 and is suitable for receiving described first control signal or described second control signal, namely the control end of described first switch S 1 connects the control end of described second switch S2 and the output of described voltage comparator 31, the other end of described second switch S2 is suitable for the output voltage receiving described dry cell 27, namely the other end of described second switch S2 connects the output of described dry cell 27.Described first control signal controls described first switch S 1 and ends, controls described second switch S2 conducting, and described second control signal controls described first switch S 1 conducting, controls described second switch S2 and end.It should be noted that, the circuit structure shown in Fig. 3 is a kind of specific embodiment of described control circuit 28, and in other embodiments, described control circuit 28 also can adopt other structures.
Described first switch S 1 and described second switch S2 can be analog switch, such as, comprise the analog switch of transmission gate.Particularly, described first switch comprises the first NMOS tube, the first PMOS and the first inverter.The drain electrode of described first NMOS tube connect described first PMOS source electrode and as one end of described first switch, the source electrode of described first NMOS tube connect described first PMOS drain electrode and as the other end of described first switch, the grid of described first NMOS tube connects the input of described first inverter and as the control end of described first switch, the output of described first inverter connects the grid of described first PMOS.Described second switch comprises the second NMOS tube, the second PMOS and the second inverter.The drain electrode of described second PMOS connect described second NMOS tube source electrode and as one end of described second switch, the source electrode of described second PMOS connect described second NMOS tube drain electrode and as the other end of described second switch, the grid of described second PMOS connects the input of described second inverter and as the control end of described second switch, the output of described second inverter connects the grid of described second NMOS tube.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection range of the present utility model.
Claims (5)
1. a device is sent in the temperature change based on wireless communication technology, comprises temperature sensor, data processing equipment and radio communication device, it is characterized in that, also comprise: solar panels, voltage stabilizing circuit, rechargeable battery, dry cell and control circuit;
Described solar panels are suitable for solar energy to be converted to electric energy;
Described voltage stabilizing circuit is connected with described solar panels, is suitable for carrying out voltage stabilizing process to obtain burning voltage to the voltage that described solar panels export;
Described rechargeable battery is connected with described voltage stabilizing circuit, is suitable for the charging accepting described burning voltage, and described rechargeable battery is lithium battery;
Described control circuit is connected with described rechargeable battery and described dry cell, being suitable for powering to described temperature sensor, described data processing equipment and described radio communication device lower than controlling described dry cell during reference voltage at the output voltage of described rechargeable battery, controlling described rechargeable battery when the output voltage of described rechargeable battery is not less than reference voltage and powering to described temperature sensor, described data processing equipment and described radio communication device;
Described control circuit comprises: voltage comparator, the first switch and second switch;
Described voltage comparator is suitable for output voltage at described rechargeable battery lower than producing the first control signal during reference voltage, produces the second control signal when the output voltage of described rechargeable battery is not less than reference voltage;
One end of described first switch is suitable for the output voltage receiving described rechargeable battery, the other end of described first switch connects the power end of one end of described second switch, the power end of described temperature sensor, the power end of described data processing equipment and described radio communication device, the control end of described first switch connects the control end of described second switch and is suitable for receiving described first control signal or described second control signal, and the other end of described second switch is suitable for the output voltage receiving described dry cell;
Described first control signal controls described first switch cut-off, controls described second switch conducting, and described second control signal controls described first switch conduction, controls the cut-off of described second switch.
2. device is sent in the change of the temperature based on wireless communication technology according to claim 1, and it is characterized in that, described reference voltage is lower than the charging voltage of described rechargeable battery.
3. device is sent in the change of the temperature based on wireless communication technology according to claim 1, and it is characterized in that, described first switch comprises: the first NMOS tube, the first PMOS and the first inverter;
The drain electrode of described first NMOS tube connect described first PMOS source electrode and as one end of described first switch, the source electrode of described first NMOS tube connect described first PMOS drain electrode and as the other end of described first switch, the grid of described first NMOS tube connects the input of described first inverter and as the control end of described first switch, the output of described first inverter connects the grid of described first PMOS.
4. device is sent in the change of the temperature based on wireless communication technology according to claim 1, and it is characterized in that, described second switch comprises: the second NMOS tube, the second PMOS and the second inverter;
The drain electrode of described second PMOS connect described second NMOS tube source electrode and as one end of described second switch, the source electrode of described second PMOS connect described second NMOS tube drain electrode and as the other end of described second switch, the grid of described second PMOS connects the input of described second inverter and as the control end of described second switch, the output of described second inverter connects the grid of described second NMOS tube.
5. device is sent in the change of the temperature based on wireless communication technology according to claim 1, and it is characterized in that, described radio communication device is ZigBee R-T unit, WIFI R-T unit, bluetooth transceiver therein or 2.4G R-T unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458388.XU CN204928336U (en) | 2015-06-30 | 2015-06-30 | Temperature becomes send device based on radio communication technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520458388.XU CN204928336U (en) | 2015-06-30 | 2015-06-30 | Temperature becomes send device based on radio communication technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928336U true CN204928336U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520458388.XU Expired - Fee Related CN204928336U (en) | 2015-06-30 | 2015-06-30 | Temperature becomes send device based on radio communication technique |
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| Country | Link |
|---|---|
| CN (1) | CN204928336U (en) |
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2015
- 2015-06-30 CN CN201520458388.XU patent/CN204928336U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20180630 |