CN203276529U - Photovoltaic power-supplying wireless voltage transmitter - Google Patents
Photovoltaic power-supplying wireless voltage transmitter Download PDFInfo
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- CN203276529U CN203276529U CN2013202197439U CN201320219743U CN203276529U CN 203276529 U CN203276529 U CN 203276529U CN 2013202197439 U CN2013202197439 U CN 2013202197439U CN 201320219743 U CN201320219743 U CN 201320219743U CN 203276529 U CN203276529 U CN 203276529U
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Abstract
The utility model discloses a photovoltaic power-supplying wireless voltage transmitter. The photovoltaic power-supplying wireless voltage transmitter comprises a power control module, a solar battery panel, a lithium battery and a low-power-consumption power management module, wherein the solar battery panel and the lithium battery are connected with the power control module; and the low-power-consumption power management module is connected with the power control module, is in two-way connection with a system control processing center, and supplies power to a voltage signal conditioning module, a voltage sensor module, the system control processing center and a low-power-consumption wireless communication module. The low-power-consumption wireless communication module is in two-way connection with the system control processing center. The photovoltaic power-supplying wireless voltage transmitter has the advantages that a wireless data transmission mode is adopted, no cable is used, the sealing is easy, and the problems that workover operation is affected by the cable, the cable is easily broken, the equipment is low in reliability and water easily enters joints are solved; the power is supplied by adopting solar energy, so that the reliable and durable effects are achieved; due to adoption of micro-power consumption programming, the equipment is in a low-power-consumption state; due to adoption of a precise power management technology, unused modules are closed so as to save energy; and a plurality of groups of equipment are allowed to work simultaneously in a short distance without interference.
Description
Technical field
The utility model relates to a kind of wireless industrial pressure unit, particularly a kind of photovoltaic power supply wireless pressure transmitter.
Background technology
In the oil-water well system, pressure unit only uses lithium battery power supply at present, and mainly there is following problem in this kind equipment:
(1) adopting the battery powered time is limited after all, changes cumbersome;
(2) cable is easy to fracture because of the effect of external force;
(3) cable is easily aging;
(4) joint easily intakes;
(5) wired pressure unit adopts the analog calibration technology, and calibration accuracy is affected by human factors greatly, thereby affects Surveying Actual Precision.
(6) can not realize the high-density acquisition of data, otherwise need to change frequently device battery, maintenance workload is large, and cost is higher.
Between the pressure unit of existing many application and all pass through the pressure signal cable between the main frame of pressure unit and general pressure signal collection and be connected, come the sending pressure signal data by the mode of wired connection, but this mode that connects by pressure signal exists cable easy fracture, easily water inlet, construction, wiring and maintenance be trouble and inconvenience comparatively, and the installation of pressure unit itself is also corresponding more loaded down with trivial details.
The utility model content
Technical problem to be solved in the utility model is, provides a kind of and can overcome that the existing cable frangibility of cable pressure transmitter, equipment dependability are poor, the easy micro power consumption wireless pressure pressure unit of the problem such as water inlet of interface.
the technical scheme that the utility model adopts is: a kind of photovoltaic power supply wireless pressure transmitter, comprise energy supply control module, the solar panel that is connected with energy supply control module and lithium battery, connect energy supply control module and control with system that processing enter is two-way to be connected, and respectively to the pressure signal conditioning module, pressure sensor module, system's control processing enter and low-consumption wireless communication module provide the low-power dissipation power supply administration module of power supply, described low-consumption wireless communication module is connected the two-way connection of processing enter with system, described pressure signal conditioning module comprises pressure sensor circuit U3, pressure sensor circuit U3 adopts the electric bridge output circuit.
Further, described lithium battery is repeatedly the rechargeable lithium batteries group.
Further, the low-power dissipation power supply administration module comprises charge controlling chip U16, U16 pin one contact resistance R17, and the U16 pin two connects non-essential resistance VISET, and U16 pin 4 connects the solar panel input end, and U16 pin 5 connects lithium battery.
Further, described low-consumption wireless communication module comprises radio communication circuit U2, the pin 1,2,3,6,8,10,11,12,13 of radio communication circuit U2 all is connected with the CPU of control circuit by plate level lead-in wire, and pin 4,17 connects power Vcc, and pin 4 also connects digitally by capacitor C 15; Pin 5,9,16,18,22,24,26-30 connect digitally; Pin 31 connects digitally by capacitor C 3; Pin 25 connects power Vcc, also also connecting digitally by capacitor C 1 and capacitor C 2; Pin 23 connects digitally by resistance R 4; Pin 20,21 interconnects with the in parallel of inductance L 1 by capacitor C 10, and the series connection that pin 20 is also felt L3 and capacitor C 14 by the Shen digitally and connects digitally by capacitor C 12; Pin 21 passes through the pin 1 of the series connection antenna socket J2 of inductance L 1 and capacitor C 11, and connects digitally by capacitor C 10; Antenna socket J2 pin 2 ground connection, the pin 19 of radio communication circuit U2 is by capacitor C 17 ground connection; Pin 14,15 connects two end points of crystal oscillator U14, and two end points of this of crystal oscillator U14 also are connected by resistance R 7, and also connect digitally by capacitor C 18, C19 respectively, and another two end points of crystal oscillator U14 connect digitally.
A kind of photovoltaic power supply wireless pressure transmitter of the present utility model has following effect:
(1) solar panel adopts the polysilicon material, 5.5V/120mA output.
(2) accumulator: lithium battery group, 3.7V2200mAh
(3) has the reverse connection of accumulator defencive function;
(4) has the solar cell reversal connection protection function;
(5) have load overcurrent and short-circuit protection function;
(6) has the accumulator super-charge deep-discharge protection;
(7) have power supply and electricity consumption and use simultaneously function;
(8) adopt online monitoring cell electricity quantity technology.Can the Real-Time Monitoring battery electric quantity, the too low automatic alarm of electric weight.
(9) adopt the Wireless Data Transmission mode, remove stube cable, having solved affects workover treatment because of what cable caused, and cable easily fractures, equipment dependability is poor, and interface is the problem such as water inlet easily;
(10) adopt digital calibration techniques, remove adjustable device, improve the reliability of device measuring precision and equipment;
(11) adopt little power consumption programming technique.For further extending battery, make equipment be in low power consumpting state as far as possible.
(12) adopt accurate power management techniques, close no module with energy-conservation.
(13) adopt little power consumption CDMA radio transmission technology, allow many groups equipment closely work simultaneously and can not produce interference.
Description of drawings
Fig. 1 is the whole formation of the utility model block diagram.
Fig. 2 is the utility model electricity low-power dissipation power supply administration module circuit diagram.
Fig. 3 is the utility model charging process schematic diagram.
Fig. 4 is the utility model pressure signal conditioning module circuit diagram.
Fig. 5 is the utility model low-consumption wireless communication module circuit diagram.
1. energy supply control module 2. solar panel 3. lithium batteries
4. low-power dissipation power supply administration module 5. pressure signal conditioning module 6. pressure sensor modules
7. system controls processing enter 8. low-consumption wireless communication modules
Embodiment
Provide specific embodiment below in conjunction with accompanying drawing, further illustrate a kind of photovoltaic power supply wireless pressure transmitter of the present utility model.
As shown in Figure 1, a kind of photovoltaic power supply wireless pressure transmitter of the present utility model, comprise energy supply control module 1, the solar panel 2 that is connected with energy supply control module 1 and lithium battery 3, connect energy supply control module 1 and control with system that processing enter 7 is two-way to be connected, and the low-power dissipation power supply administration module 4 of power supply is provided to pressure signal conditioning module 5, pressure sensor module 6, system's control processing enter 7 and low-consumption wireless communication module 8 respectively, and described low-consumption wireless communication module 8 is connected the two-way connection of processing enter 7 with system.
Described lithium battery 3 is repeatedly the rechargeable lithium batteries group.
As shown in Figure 2, low-power dissipation power supply administration module 4 comprises charge controlling chip U16, in the present embodiment, U16 is the CN3065 charge controlling chip, CN3065 is special in utilizing the input voltage sources such as solar panels lithium battery to be carried out the chip of Charge Management, and the power transistor of chip internal carries out constant current and constant-voltage charge to battery.U16 pin one contact resistance R17, charging current is by R17, and maximum lasting charging current is 1000mA greatly.Connecting non-essential resistance VISET from the U16 pin two can programme to charging current to the ground end.U16 pin 4 is solar panel 2 input ends, and the voltage of this pin is the working power of internal circuit.During less than 20mV, CN3065 will enter low-power consumption mode when the voltage difference of Vin and BAT pin.The electric current of BAT pin is less than 3 μ A at this moment.During greater than low-voltage detection threshold and battery terminal voltage, CN3065 begins the battery charging when input voltage, the pin output low level, and the expression charging is carried out.If the voltage of battery voltage detection input end (FB) is lower than 3V, charger carries out precharge with little electric current to battery.When the voltage of battery voltage detection input end (FB) surpassed 3V, charger adopted constant current mode that battery is charged, and charging current is determined by the resistance VISET between ISET pin and GND.During near the battery-end modulation voltage, charging current reduces gradually when the voltage of battery voltage detection input end (FB), and CN3065 enters the constant-voltage charge pattern.Greater than 4.45V, and charging current is when being reduced to charging and finishing threshold value when input voltage, and charge cycle finishes, end output high-impedance state, and the end output low level, the expression charge cycle finishes, and it is 10% of constant-current charge electric current that charging finishes threshold value.If begin new charge cycle, as long as with the input voltage outage, and then it is just passable to power on.Recharge threshold value when following when the voltage of battery voltage detection input end (FB) drops to, automatically begin new charge cycle.The high-precision voltage-reference of chip internal, error amplifier and resistance pressure-dividing network guarantee that the error of battery-end modulation voltage in ± 1%, has satisfied the requirement of battery.During lower than cell voltage, charger enters the sleep pattern of low-power consumption when input voltage power down or input voltage, and the electric current that battery-end consumes is less than 3uA, thereby has increased stand-by time, and above-mentioned charging process as shown in Figure 3.
As shown in Figure 4, pressure signal conditioning module 5 adopts the electric bridge output circuit, belongs to the processing of weak signal, adopts simultaneously the difference input AD of variable gain amplifier to gather.
As shown in Figure 5, described low-consumption wireless communication module 8 comprises radio communication circuit U2, and it is the control chip of NRF905 that the present embodiment is selected model.Wherein, the pin 1,2,3,6,8,10,11,12,13 of radio communication circuit U2 all is connected with the CPU of control circuit by plate level lead-in wire, and pin 4,17 connects power Vcc, and pin 4 also connects digitally by capacitor C 15; Pin 5,9,16,18,22,24,26-30 connect digitally; Pin 31 connects digitally by capacitor C 3; Pin 25 connects power Vcc, also also connecting digitally by capacitor C 1 and capacitor C 2; Pin 23 connects digitally by resistance R 4; Pin 20,21 interconnects with the in parallel of inductance L 1 by capacitor C 10, and the series connection that pin 20 is also felt L3 and capacitor C 14 by the Shen digitally and connects digitally by capacitor C 12; Pin 21 passes through the pin 1 of the series connection antenna socket J2 of inductance L 1 and capacitor C 11, and connects digitally by capacitor C 10; Antenna socket J2 pin 2 ground connection, the pin 19 of radio communication circuit U2 is by capacitor C 17 ground connection; Pin 14,15 connects two end points of crystal oscillator U14, and two end points of this of crystal oscillator U14 also are connected by resistance R 7, and also connect digitally by capacitor C 18, C19 respectively, and another two end points of crystal oscillator U14 connect digitally.
Claims (4)
1. photovoltaic power supply wireless pressure transmitter, it is characterized in that: comprise energy supply control module, the solar panel that is connected with energy supply control module and lithium battery, connect energy supply control module and control with system that processing enter is two-way to be connected, and respectively to the pressure signal conditioning module, pressure sensor module, system's control processing enter and low-consumption wireless communication module provide the low-power dissipation power supply administration module of power supply, described low-consumption wireless communication module is connected the two-way connection of processing enter with system, described pressure signal conditioning module comprises pressure sensor circuit U3, pressure sensor circuit U3 adopts the electric bridge output circuit.
2. a kind of photovoltaic power supply wireless pressure transmitter according to claim 1 is characterized in that: described lithium battery is rechargeable lithium batteries group repeatedly.
3. a kind of photovoltaic power supply wireless pressure transmitter according to claim 1, it is characterized in that: the low-power dissipation power supply administration module comprises charge controlling chip U16, U16 pin one contact resistance R17, the U16 pin two connects non-essential resistance VISET, U16 pin 4 connects the solar panel input end, and U16 pin 5 connects lithium battery.
4. a kind of photovoltaic power supply wireless pressure transmitter according to claim 1, it is characterized in that: described low-consumption wireless communication module comprises radio communication circuit U2, the pin 1,2,3,6,8,10,11,12,13 of radio communication circuit U2 all is connected with the CPU of control circuit by plate level lead-in wire, pin 4,17 connects power Vcc, and pin 4 also connects digitally by capacitor C 15; Pin 5,9,16,18,22,24,26-30 connect digitally; Pin 31 connects digitally by capacitor C 3; Pin 25 connects power Vcc, also also connecting digitally by capacitor C 1 and capacitor C 2; Pin 23 connects digitally by resistance R 4; Pin 20,21 interconnects with the in parallel of inductance L 1 by capacitor C 10, and the series connection that pin 20 is also felt L3 and capacitor C 14 by the Shen digitally and connects digitally by capacitor C 12; Pin 21 passes through the pin 1 of the series connection antenna socket J2 of inductance L 1 and capacitor C 11, and connects digitally by capacitor C 10; Antenna socket J2 pin 2 ground connection, the pin 19 of radio communication circuit U2 is by capacitor C 17 ground connection; Pin 14,15 connects two end points of crystal oscillator U14, and two end points of this of crystal oscillator U14 also are connected by resistance R 7, and also connect digitally by capacitor C 18, C19 respectively, and another two end points of crystal oscillator U14 connect digitally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202197439U CN203276529U (en) | 2013-04-26 | 2013-04-26 | Photovoltaic power-supplying wireless voltage transmitter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202197439U CN203276529U (en) | 2013-04-26 | 2013-04-26 | Photovoltaic power-supplying wireless voltage transmitter |
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| CN203276529U true CN203276529U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202197439U Expired - Fee Related CN203276529U (en) | 2013-04-26 | 2013-04-26 | Photovoltaic power-supplying wireless voltage transmitter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327827A (en) * | 2016-08-25 | 2017-01-11 | 电子科技大学 | Wireless passive sensor network node |
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2013
- 2013-04-26 CN CN2013202197439U patent/CN203276529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327827A (en) * | 2016-08-25 | 2017-01-11 | 电子科技大学 | Wireless passive sensor network node |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |