CN201956757U - Data auto-acquisition unit used for safety monitoring field and power supply device thereof - Google Patents
Data auto-acquisition unit used for safety monitoring field and power supply device thereof Download PDFInfo
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- CN201956757U CN201956757U CN2011200334841U CN201120033484U CN201956757U CN 201956757 U CN201956757 U CN 201956757U CN 2011200334841 U CN2011200334841 U CN 2011200334841U CN 201120033484 U CN201120033484 U CN 201120033484U CN 201956757 U CN201956757 U CN 201956757U
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Abstract
The utility model relates to a data auto-acquisition unit used for safety monitoring field and a power supply device thereof. The power supply device comprises a wireless energy transmission module arranged in a data acquisition host and connected with a DC power supply circuit in the data acquisition host, and a wireless energy receiver module arranged in a data acquisition terminal, wherein the wireless energy transmission module comprises an oscillation circuit, a power amplification circuit and a wireless transmission circuit; DC at the output end of the DC power supply circuit generates wirelessly transmitted basic frequency signals via the oscillation circuit; the power amplification circuit amplifies power of the basic frequency signals and transmits the energy to the data acquisition terminal in an electromagnetic wave manner via the wireless transmission circuit; and the wireless energy receiver module receives the electromagnetic wave and converts the electromagnetic energy into DC electrical energy, so as to supply power for the data acquisition terminal. The power supply device provided by the utility model can effectively solve the problem of supplying power to data auto-acquisition unit used for safety monitoring field in a geotechnical engineering, and has the advantages of convenience in use and low cost.
Description
Technical field
The utility model relates to the health monitoring technical field of Geotechnical Engineering, particularly a kind of Geotechnical Engineering safety monitoring automatic data collection device and electric supply installation thereof.
Background technology
In Geotechnical Engineering safety monitoring technology field, usually adopt automatic data collection device (Data Auto-acquisitionUnit, referring to power industry standard DL/T1134-2009) realize automatic signal measurement, conversion, processing and the memory function of monitor (Monitoring Instrument is referring to power industry standard DL/T5211-2005).
The automatic data collection device of safety monitoring field use at present is that all there is certain limitation in these power supply units by power devices such as backup battery, wired power supply, solar cells.Wherein: 1. the backup battery mode is powered, owing to be subjected to battery accumulate capacity limit, needs regular replacing battery to keep the normal power supply demand of automatic data collection device; 2. wired power supply needs cable wiring manufacture and reliable power supply, realizes not too easily in some engineering occasion; 3. solar cell for supplying power needs equipment such as increase solar panel, energy storage battery, charge management module, has increased the cost and the difficulty of engineering construction, simultaneously because solar panel has reduced the reliability of system, has increased the system maintenance work amount.
The utility model content
The limitation that the existing multiple power supply unit of automatic data collection device that the utility model uses at Geotechnical Engineering safety monitoring field exists, a kind of new electric supply installation is provided, this electric supply installation has adopted the wireless power technology, has realized the wireless power to the data collection station of data automatic acquisition device.The utility model also relates to the Geotechnical Engineering safety monitoring automatic data collection device that adopts this electric supply installation.
The technical solution of the utility model is as follows:
A kind of electric supply installation of Geotechnical Engineering safety monitoring automatic data collection device, described Geotechnical Engineering safety monitoring automatic data collection device comprises data collection host and data collection station, it is characterized in that, be included in the wireless energy transmitter module that the interior DC power-supply circuit with in the data collection host that is provided with of data collection host links to each other, and the wireless energy receiver module that in data collection station, is provided with; Described wireless energy transmitter module comprises oscillating circuit, power amplification circuit and radio transmitter, the input of described oscillating circuit is connected to the DC power-supply circuit output of data collection host, the input of described power amplification circuit is connected to the output of oscillating circuit, the input of described radio transmitter is connected to the output of power amplification circuit, the direct current of DC power-supply circuit output produces the dominant frequency signal of wireless transmission by oscillating circuit, power amplification circuit carries out power amplification with this dominant frequency signal, by radio transmitter energy is transferred to data collection station with the form of launching electromagnetic wave then, described wireless energy receiver module receives this electromagnetic wave, and its electromagnetic energy is converted into direct current energy, to realize power supply to the data acquisition terminal.
Described wireless energy receiver module comprises coupled resonant circuit, ac-dc converter circuit and power-sensing circuit, the input of described coupled resonant circuit receives the electromagnetic wave of the radio transmitter emission in the wireless energy transmitter module, the input of described ac-dc converter circuit is connected to the output of coupled resonant circuit, and the input of described power-sensing circuit is connected to the output of ac-dc converter circuit; Coupled resonant circuit receives the electromagnetic wave of radio transmitter emission, and the current signal of output alternation, described ac-dc converter circuit is converted to d. c. voltage signal with the current signal of described alternation and exports power-sensing circuit to, and power-sensing circuit carries out power detection makes the amplitude of the direct voltage that obtains meet the dc voltage value of data collection station power reguirements.
Described wireless energy transmitter module also comprises amplitude regulating circuit, described oscillating circuit links to each other with power amplification circuit by amplitude regulating circuit, the input of described amplitude regulating circuit is connected to the output of oscillating circuit, and the input of power amplification circuit is connected to the output of amplitude regulating circuit; Described amplitude regulating circuit receives the dominant frequency signal that oscillating circuit produces wireless transmission, and the peak-to-peak value of regulating the dominant frequency signal to be to carry out the adjusting of wireless transmission power output, and the dominant frequency signal after will regulating again exports power amplification circuit to.
Described radio transmitter comprises the transmitting coil and first electric capacity in parallel, and choosing of described first electric capacity is satisfied:
Wherein, l is the inductance value of transmitting coil, and c is the appearance value of first electric capacity, and f is the dominant frequency that oscillating circuit produces wireless transmission.
Described power-sensing circuit comprises single-pole double-throw switch (SPDT), power detection resistance and digital voltmeter, described single-pole double-throw switch (SPDT) carries out the switching of power detection and power supply, described power detection resistance carries out power detection by the direct voltage two ends that single-pole double-throw switch (SPDT) is connected to ac-dc converter circuit output, described digital voltmeter is attempted by power detection resistance two ends, after power detection, by the single-pole double-throw switch (SPDT) switching of powering, with the direct voltage of ac-dc converter circuit output dc voltage value as the data collection station power reguirements; Described coupled resonant circuit comprises receiving coil and tunable capacitor in parallel, and under the adjusting of tunable capacitor, the reading of digital voltmeter should be equal to or greater than the dc voltage value of data collection station power reguirements, and the resistance of power detection resistance satisfies:
Wherein, R is the resistance of power detection resistance, V
SBe the dc voltage value of data collection station power reguirements, I
SBe data collection station maximum consumption electric current.
Described electric supply installation also comprises voltage stabilizing circuit, described ac-dc converter circuit links to each other with power-sensing circuit by voltage stabilizing circuit, the input of described voltage stabilizing circuit is connected to the output of ac-dc converter circuit, and the input of power-sensing circuit is connected to the output of voltage stabilizing circuit.
A kind of Geotechnical Engineering safety monitoring automatic data collection device, comprise data collection host and data collection station, described data collection station comprises the measuring circuit that is connected successively with the safety monitoring instrument, signal modulation circuit and wireless signal transmitting module, described data collection host comprises the wireless signal receiver module that connects successively, signal demodulating circuit and data storage, and be the DC power-supply circuit of each parts power supply of data collection host, it is characterized in that, this harvester also comprises above-mentioned electric supply installation, wireless energy transmitter module in the described electric supply installation is arranged in the data collection host and with DC power-supply circuit and links to each other, and the wireless energy receiver module in the described electric supply installation is arranged in the data collection station to realize the power supply to the data acquisition terminal.
Technique effect of the present utility model is as follows:
The electric supply installation of this Geotechnical Engineering safety monitoring automatic data collection device that the utility model relates to, be included in the wireless energy transmitter module that is provided with in the data collection host, and the wireless energy receiver module that in data collection station, is provided with, the wireless energy transmitter module comprises oscillating circuit, power amplification circuit and radio transmitter, the direct current of DC power-supply circuit output produces the dominant frequency signal of wireless transmission by oscillating circuit, power amplification circuit carries out power amplification with this dominant frequency signal, by radio transmitter energy is transferred to data collection station with the form of launching electromagnetic wave, the wireless energy receiver module receives this electromagnetic wave, and its electromagnetic energy is converted into direct current energy, to realize power supply to the data acquisition terminal.This electric supply installation has adopted the wireless power technology, has realized the wireless power to the data collection station of data automatic acquisition device.This electric supply installation can make data collection station not need to dispose backup battery, wired power supply, power-supply devices such as solar cell, can on function, regard a passive data collection station as, overcome the limitation that existing multiple electric supply installation exists, saved the trouble of wired power supply cable wiring manufacture and periodic replacement or battery maintenance, need not to be provided with power line, also needn't set up solar panel, energy storage battery, equipment such as charge management module, reduced the system maintenance work amount, effectively solve the powerup issue of Geotechnical Engineering safety monitoring automatic data collection device, and have easy to use, the advantage that cost is low has the practical significance that engineering is used.
The Geotechnical Engineering safety monitoring automatic data collection device of the above-mentioned electric supply installation of employing that the utility model relates to, than traditional automatic data collection device, the utility model has been realized wireless power and two functions of wireless telemetering simultaneously, has solved the cable distribution construction of Geotechnical Engineering safety monitoring automatic data collection device and two big technical barriers of power supply effectively.
Description of drawings
Fig. 1 is the preferred structure schematic diagram of the wireless energy transmitter module of the utility model electric supply installation.
Fig. 2 is the preferred structure schematic diagram of the wireless energy receiver module of the utility model electric supply installation.
Fig. 3 is the preferred workflow diagram of the electric supply installation of the utility model Geotechnical Engineering safety monitoring automatic data collection device.
Fig. 4 is the structural representation of the utility model Geotechnical Engineering safety monitoring automatic data collection device.
Embodiment
Below in conjunction with accompanying drawing the utility model is described.
The utility model relates to a kind of electric supply installation of Geotechnical Engineering safety monitoring automatic data collection device, effectively solve the powerup issue of Geotechnical Engineering safety monitoring automatic data collection device, Geotechnical Engineering safety monitoring automatic data collection device comprises data collection host and data collection station, this electric supply installation comprises wireless energy transmitter module that is arranged in the data collection host and the wireless energy receiver module that is arranged in the data collection station, the wireless energy transmitter module transfers to data collection station with energy with the form of launching electromagnetic wave, the wireless energy receiver module receives this electromagnetic wave, and its electromagnetic energy is converted into direct current energy, to realize power supply to the data acquisition terminal.
The preferred structure schematic diagram of wireless energy transmitter module as shown in Figure 1, comprise oscillating circuit, amplitude regulating circuit, power amplification circuit and radio transmitter 1, wherein, oscillating circuit preferred crystal oscillating circuit, the input of crystal oscillating circuit is connected to the output of the DC power-supply circuit of data collection host, the output of crystal oscillating circuit is connected to the input of amplitude regulating circuit, the output of amplitude regulating circuit is connected to the input of power amplification circuit, and the output of power amplification circuit is connected to the input of radio transmitter 1.
Among Fig. 1, Vin+, Vin-are expressed as the positive pole and the negative pole of the direct current supply voltage in the interior DC power-supply circuit of data collection host respectively, the direct current of DC power-supply circuit output is by the dominant frequency signal of crystal oscillating circuit generation wireless transmission, and the number range of its dominant frequency f is 200MHz～300MHz; Amplitude regulating circuit receives the dominant frequency signal of the wireless transmission of oscillating circuit generation, and the peak-to-peak value of regulating the dominant frequency signal also can be realized the adjusting of wireless transmission power output by the mode of PWM pulse-width modulation to carry out the adjusting of wireless transmission power output; Dominant frequency signal behind amplitude regulating circuit carries out power amplification by power amplification circuit, drives radio transmitter 1 energy is launched, and promptly by radio transmitter energy is transferred to data collection station with the form of launching electromagnetic wave.Radio transmitter 1 comprises the transmitting coil and first electric capacity in parallel, and the inductance value of establishing transmitting coil is l (after transmitting coil completed, l was exactly a definite value), and the appearance value of first electric capacity is c, and choosing of first electric capacity should be satisfied:
The preferred structure schematic diagram of wireless energy receiver module as shown in Figure 2, comprise coupled resonant circuit 2, ac-dc converter circuit (being the AC/DC change-over circuit) and power-sensing circuit 3, wherein, the input of coupled resonant circuit 2 receives the electromagnetic wave of radio transmitter 1 emission in the wireless energy transmitter module, the output of coupled resonant circuit 2 is connected to the input of AC/DC change-over circuit, and the output of AC/DC change-over circuit is connected to the input of power-sensing circuit 3.
Among Fig. 2, coupled resonant circuit 2 comprises receiving coil and tunable capacitor in parallel, and the inductance value of establishing receiving coil is that the appearance value of L tunable capacitor is c ', and this appearance value can adjust.Coupled resonant circuit 2 receives the electromagnetic wave of radio transmitter 1 emission, promptly pick up the radio signal of the characteristic frequency f of wireless energy transmitter module emission, the current signal of an alternation of coupled resonant circuit 2 outputs, the energy of this alternating current is relevant with the circuit parameter of coupled resonant circuit 2, the appearance value c ' of the tunable capacitor by regulating coupled resonant circuit 2 can obtain different energy; The electric current of alternation is through the AC/DC change-over circuit, exports a dc voltage value (V+～V-); For obtaining best energy reception, promptly obtain the direct voltage that a voltage magnitude meets the data collection station power reguirements, be made as Vs, dc output end at the wireless energy receiver module is provided with power-sensing circuit 3, and the amplitude that this power-sensing circuit 3 carries out the direct voltage that power detection make to obtain meets the dc voltage value of data collection station power reguirements.
Power-sensing circuit 3 comprises single-pole double-throw switch (SPDT) S, power detection resistance R and digital voltage Table V, single-pole double-throw switch (SPDT) S comprises moved end S-1 and not moved end S-2 and S-3, when moved end S-1 throws when moved end S-2 does not hold, the switching of powering, when moved end S-1 throws when moved end S-3 does not hold, carry out power detection and switch, the power detection resistance R is connected to the direct voltage two ends of AC/DC change-over circuit output.When carrying out power detection, S-1 throws to S-3 end, and at power detection resistance R two ends and connect the digital voltage Table V, the voltage at monitoring R two ends is regulated the appearance value c ' of tunable capacitor, makes the reading of digital voltage Table V be equal to or greater than V
sBecause the resistance of power detection resistance R is according to V
sUnder the condition of power supply, data collection station maximum consumption electric current I
SBe provided with, the resistance of power detection resistance R satisfies:
Therefore can guarantee that by power-sensing circuit the wireless energy receiver module obtains best energy reception.After obtaining best energy reception, S-1 throws to S-2 end, switchings of powering, and the direct voltage that the AC/DC change-over circuit is exported is as the dc voltage value of data collection station power reguirements, realization is removed the digital voltage Table V simultaneously to the power supply of data acquisition terminal.
Above-mentioned wireless energy receiver module can also be provided with voltage stabilizing circuit at the output of AC/DC change-over circuit, the AC/DC change-over circuit links to each other with power-sensing circuit 3 by voltage stabilizing circuit, the input of voltage stabilizing circuit is connected to the output of AC/DC change-over circuit, and the output of voltage stabilizing circuit is connected to the input of power-sensing circuit 3.This voltage stabilizing circuit plays the pressure stabilization function to the direct voltage of AC/DC change-over circuit output, to obtain the high-quality supply power voltage of data collection station.
Fig. 3 is the preferred workflow diagram of the electric supply installation of the utility model Geotechnical Engineering safety monitoring automatic data collection device, comprises the steps:
A, in data collection host, produce the dominant frequency signal of wireless transmission by crystal oscillating circuit, and carry out the adjusting of wireless transmission power output by the mode that amplitude regulating circuit is regulated the peak-to-peak value of this dominant frequency signal, dominant frequency signal after power amplification circuit will be regulated then carries out power amplification, by radio transmitter energy is transferred to data collection station with the form of launching electromagnetic wave again;
B, data collection station receive this electromagnetic wave, and its electromagnetic energy is converted into direct current energy, to realize power supply to the data acquisition terminal, be specially: data collection station receives this electromagnetic wave by coupled resonant circuit and exports the current signal of alternation, by ac-dc converter circuit the current signal of described alternation is converted to d. c. voltage signal again, carries out power detection by power-sensing circuit then and make the amplitude of the direct voltage that obtains meet the dc voltage value of data collection station power reguirements.
The utility model also relates to a kind of Geotechnical Engineering safety monitoring automatic data collection device, its structural representation as shown in Figure 4, comprise data collection host 4 and data collection station 5, wherein, data collection station 5 comprises measuring circuit, signal modulation circuit and the wireless signal transmitting module that is connected successively with the safety monitoring instrument; Data collection host 4 comprises the wireless signal receiver module that connects successively, signal demodulating circuit and data storage, also comprise the controller that links to each other with data storage, and be the DC power-supply circuit of each parts power supply of data collection host 4, this Geotechnical Engineering safety monitoring automatic data collection device adopts the power supply of electric supply installation realization described in the utility model to the data acquisition terminal, this electric supply installation comprises wireless energy transmitter module and wireless energy receiver module, the wireless energy transmitter module is arranged in the data collection host 4 and with DC power-supply circuit and links to each other, the wireless energy transmitter module transfers to data collection station 5 with energy with the form of launching electromagnetic wave, the wireless energy receiver module is arranged in the data collection station 5, the wireless energy receiver module receives the electromagnetic wave of wireless energy transmitter module emission, and its electromagnetic energy is converted into direct current energy, to realize power supply to data acquisition terminal 5.
This Geotechnical Engineering safety monitoring automatic data collection device of the present utility model can be to increase the disclosed electric supply installation of the utility model to be achieved on the basis of Zigbee automatic data collection device, particularly, in the data collection host in Zigbee automatic data collection device, increase the wireless energy transmitter module, in the data collection station in Zigbee automatic data collection device, increase the wireless energy receiver module, remove original power supply unit (as battery, AC/DC rectifier, solar cell etc.) simultaneously.This automatic data collection device after the making has kept the ripe wireless telemetry technique of original ZigBee radio communication, wireless networking, realizes wireless power owing to increased electric supply installation simultaneously.
The operation principle of this Geotechnical Engineering safety monitoring automatic data collection device of the present utility model is as follows: data collection host 4, by its inner wireless energy transmitter module, produce the dominant frequency signal of wireless transmission by oscillating circuit, after again this dominant frequency signal being carried out power amplification, by radio transmitter with the form of energy with launching electromagnetic wave, energy delivery give with data collection host 4 distance be the wireless energy receiver module of data collection station 5 inside of L.The wireless energy receiver module receives this electromagnetic wave, and its electromagnetic energy is converted into direct current energy, the electric current of output alternation, after by ac-dc converter circuit the current conversion of described alternation being direct voltage, also the amplitude of carrying out the direct voltage that power detection make to obtain by power-sensing circuit meets the dc voltage value of data collection station 5 power reguirements, realization is to the wireless power of data acquisition terminal 5, the measuring circuit of data collection station 5 inside starts after obtaining electric energy to be measured, obtain the measurement data of safety monitoring instrument, measurement data sends to data collection host 4 by wireless signal transmitting module with the form of radio magnetic wave through signal modulation back in data collection station 5, wireless signal receiver module by data collection host 4 inside receives electromagnetic wave, and obtain measurement data by signal demodulating circuit, preserve measurement data by data storage then, realize the automatic data collection function.Than traditional automatic data collection device, the utility model has been realized wireless power and two functions of wireless telemetering simultaneously, has solved the cable distribution construction of automatic data collection device and the two big technical barriers of powering effectively.
Complete course of work of the automatic data collection device of present embodiment is as follows: when starting measurement, data collection host 4, by the wireless energy transmitter module, send electric energy earlier to data collection station 5, data collection station 5 after obtaining electric energy, the electronic circuit work in the log-on data acquisition terminal 5.Data collection host 4 is realized communicating to connect by the ZigBee communication mode with data collection station 5, realizes the mutual and transmission of data, information.Data collection station 5 is realized functions such as safety monitoring apparatus measures, data processing, data upload according to the work order indication that data collection host 4 sends.After finishing data collection task, cancel the work of wireless energy transmitter module by data collection host 4, data collection station 5 loses electric energy and enters off position, and therefore whole Geotechnical Engineering safety monitoring automatic data collection device finishes this data collection task.
This Geotechnical Engineering safety monitoring automatic data collection device of the present utility model is when reality is used, data collection host 4 can be made according to the needs of field condition and engineering and fix, also can move, a data collection host 4 can use with 5 pairings of many data collection stations simultaneously, realizes being used of one-to-many.
Claims (7)
1. the electric supply installation of a Geotechnical Engineering safety monitoring automatic data collection device, described Geotechnical Engineering safety monitoring automatic data collection device comprises data collection host and data collection station, it is characterized in that, be included in the wireless energy transmitter module that the interior DC power-supply circuit with in the data collection host that is provided with of data collection host links to each other, and the wireless energy receiver module that in data collection station, is provided with; Described wireless energy transmitter module comprises oscillating circuit, power amplification circuit and radio transmitter, the input of described oscillating circuit is connected to the DC power-supply circuit output of data collection host, the input of described power amplification circuit is connected to the output of oscillating circuit, the input of described radio transmitter is connected to the output of power amplification circuit, the direct current of DC power-supply circuit output produces the dominant frequency signal of wireless transmission by oscillating circuit, power amplification circuit carries out power amplification with this dominant frequency signal, by radio transmitter energy is transferred to data collection station with the form of launching electromagnetic wave then, described wireless energy receiver module receives this electromagnetic wave, and its electromagnetic energy is converted into direct current energy, to realize power supply to the data acquisition terminal.
2. electric supply installation according to claim 1, it is characterized in that, described wireless energy receiver module comprises coupled resonant circuit, ac-dc converter circuit and power-sensing circuit, the input of described coupled resonant circuit receives the electromagnetic wave of the radio transmitter emission in the wireless energy transmitter module, the input of described ac-dc converter circuit is connected to the output of coupled resonant circuit, and the input of described power-sensing circuit is connected to the output of ac-dc converter circuit; Coupled resonant circuit receives the electromagnetic wave of radio transmitter emission, and the current signal of output alternation, described ac-dc converter circuit is converted to d. c. voltage signal with the current signal of described alternation and exports power-sensing circuit to, and power-sensing circuit carries out power detection makes the amplitude of the direct voltage that obtains meet the dc voltage value of data collection station power reguirements.
3. electric supply installation according to claim 2, it is characterized in that, described wireless energy transmitter module also comprises amplitude regulating circuit, described oscillating circuit links to each other with power amplification circuit by amplitude regulating circuit, the input of described amplitude regulating circuit is connected to the output of oscillating circuit, and the input of power amplification circuit is connected to the output of amplitude regulating circuit; Described amplitude regulating circuit receives the dominant frequency signal that oscillating circuit produces wireless transmission, and the peak-to-peak value of regulating the dominant frequency signal to be to carry out the adjusting of wireless transmission power output, and the dominant frequency signal after will regulating again exports power amplification circuit to.
4. electric supply installation according to claim 3 is characterized in that, described radio transmitter comprises the transmitting coil and first electric capacity in parallel, and choosing of described first electric capacity is satisfied:
Wherein, l is the inductance value of transmitting coil, and c is the appearance value of first electric capacity, and f is the dominant frequency that oscillating circuit produces wireless transmission.
5. electric supply installation according to claim 4, it is characterized in that, described power-sensing circuit comprises single-pole double-throw switch (SPDT), power detection resistance and digital voltmeter, described single-pole double-throw switch (SPDT) carries out the switching of power detection and power supply, described power detection resistance carries out power detection by the direct voltage two ends that single-pole double-throw switch (SPDT) is connected to ac-dc converter circuit output, described digital voltmeter is attempted by power detection resistance two ends, after power detection, by the single-pole double-throw switch (SPDT) switching of powering, with the direct voltage of ac-dc converter circuit output dc voltage value as the data collection station power reguirements; Described coupled resonant circuit comprises receiving coil and tunable capacitor in parallel, and under the adjusting of tunable capacitor, the reading of digital voltmeter should be equal to or greater than the dc voltage value of data collection station power reguirements, and the resistance of power detection resistance satisfies:
Wherein, R is the resistance of power detection resistance, V
SBe the dc voltage value of data collection station power reguirements, I
SBe data collection station maximum consumption electric current.
6. electric supply installation according to claim 5, it is characterized in that, described electric supply installation also comprises voltage stabilizing circuit, described ac-dc converter circuit links to each other with power-sensing circuit by voltage stabilizing circuit, the input of described voltage stabilizing circuit is connected to the output of ac-dc converter circuit, and the input of power-sensing circuit is connected to the output of voltage stabilizing circuit.
7. Geotechnical Engineering safety monitoring automatic data collection device, comprise data collection host and data collection station, described data collection station comprises the measuring circuit that is connected successively with the safety monitoring instrument, signal modulation circuit and wireless signal transmitting module, described data collection host comprises the wireless signal receiver module that connects successively, signal demodulating circuit and data storage, and be the DC power-supply circuit of each parts power supply of data collection host, it is characterized in that, this harvester also comprises the described electric supply installation of one of claim 1 to 6, wireless energy transmitter module in the described electric supply installation is arranged in the data collection host and with DC power-supply circuit and links to each other, and the wireless energy receiver module in the described electric supply installation is arranged in the data collection station to realize the power supply to the data acquisition terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200334841U CN201956757U (en) | 2011-01-30 | 2011-01-30 | Data auto-acquisition unit used for safety monitoring field and power supply device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200334841U CN201956757U (en) | 2011-01-30 | 2011-01-30 | Data auto-acquisition unit used for safety monitoring field and power supply device thereof |
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| CN201956757U true CN201956757U (en) | 2011-08-31 |
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| CN2011200334841U Expired - Lifetime CN201956757U (en) | 2011-01-30 | 2011-01-30 | Data auto-acquisition unit used for safety monitoring field and power supply device thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176635A (en) * | 2011-01-30 | 2011-09-07 | 基康仪器(北京)有限公司 | Automatic acquisition device for safety monitoring data as well as power-supply method and device thereof |
| CN104242715A (en) * | 2014-07-10 | 2014-12-24 | 丁文萍 | High-frequency power supply equipment for wireless power transmission device of Class E structure |
| CN107370252A (en) * | 2017-08-28 | 2017-11-21 | 兰州大学 | Wireless mutually fill is put and wireless charging device |
| CN110530429A (en) * | 2019-09-12 | 2019-12-03 | 扬州工业职业技术学院 | A kind of electromechanical equipment online testing device and its test method |
| CN111245478A (en) * | 2019-12-16 | 2020-06-05 | 北京三快在线科技有限公司 | Circuit control method, device, equipment and storage medium |
-
2011
- 2011-01-30 CN CN2011200334841U patent/CN201956757U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176635A (en) * | 2011-01-30 | 2011-09-07 | 基康仪器(北京)有限公司 | Automatic acquisition device for safety monitoring data as well as power-supply method and device thereof |
| CN104242715A (en) * | 2014-07-10 | 2014-12-24 | 丁文萍 | High-frequency power supply equipment for wireless power transmission device of Class E structure |
| CN107370252A (en) * | 2017-08-28 | 2017-11-21 | 兰州大学 | Wireless mutually fill is put and wireless charging device |
| CN107370252B (en) * | 2017-08-28 | 2021-01-26 | 兰州大学 | Wireless mutual charging device and wireless charging device |
| CN110530429A (en) * | 2019-09-12 | 2019-12-03 | 扬州工业职业技术学院 | A kind of electromechanical equipment online testing device and its test method |
| CN110530429B (en) * | 2019-09-12 | 2023-06-16 | 扬州工业职业技术学院 | Online testing device and method for electromechanical equipment |
| CN111245478A (en) * | 2019-12-16 | 2020-06-05 | 北京三快在线科技有限公司 | Circuit control method, device, equipment and storage medium |
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