CN206114745U - Electric formula of asking for response circulation monitoring devices - Google Patents
Electric formula of asking for response circulation monitoring devices Download PDFInfo
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- CN206114745U CN206114745U CN201620987582.1U CN201620987582U CN206114745U CN 206114745 U CN206114745 U CN 206114745U CN 201620987582 U CN201620987582 U CN 201620987582U CN 206114745 U CN206114745 U CN 206114745U
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Abstract
The utility model discloses an electric formula of asking for response circulation monitoring devices, including power module, temperature acquisition module, work switching module, electric current collection module and wireless transmitting module, include still that resonance gets the circuit, resonance is got the circuit and is connected through the cable with power module, temperature acquisition module, work switching module, electric current collection module, wireless transmitting module. The utility model discloses a resonance electricity technique of getting is utilized to the electric formula of asking for response circulation monitoring devices method, improves and gets the electrical efficiency, obtain enough electric quantity again after, switch over the electric mode of getting to measuring mode, accurate circulation and the temperature of measuring high tension cable to utilize wireless transmitting module with the data acquisition device of data transmission to the outside, the technical scheme of the utility model fine solution traditional high tension cable circulation to detect the high voltage shock who exists dangerous, realized that the electrical isolation of asking for reads the safe mode of circulation temperature.
Description
Technical field
This utility model is related to electric and electronic technical field and field of wireless communication, and in particular to one kind ask for electric-type sensing
Circulation monitoring device.
Background technology
High tension cable circulation value always is that one, cable O＆M department is important as an embodiment of cable running status
Care problem.Traditional method is that O＆M department regularly patrols and examines, but thus cause manpower it is a large amount of on input, and
High tension cable circulation possibly also with high-tension electricity potential danger, so manual measurement be also again not under good method without resistance to
Act.
With the development of technology, intelligent patrol detection is occurred in that, retouched if Chinese utility model patent CN201420660064.X
A kind of intelligent patrol detection technology is stated, cable sheath grounding circulation detecting system includes arranging multiple acquisition terminals, in electric power tunnel
The cable connector two ends of three-phase single cable be respectively provided with temperature sensor and current sensor, three-phase single cable is with position
The temperature sensor of cable connector and current sensor connect into one jointly with an acquisition terminal, multiple acquisition terminals are accessed
Communication cable, by the communication cable main frame is connected, and main frame is connected to remote monitoring platform by communication, replaces traditional people
The regular earth current of work mode patrols survey.But the problem for patrolling and examining a maximum is just the use of limited connection, detector
Limited connection is used with the data acquisition unit of outside, has thus connected grounding box Keep Clear-High Voltage, this has been that power office is big
Very much not allow, once the inside occurs high-pressure leakage, and high-pressure leakage has been arrived into grounding box outside, that loss for causing is cannot
Estimate.
In consideration of it, detector and data transmission device must valid wireless isolate and just can guarantee that safety, but once nothing
Line is isolated, and also just encounters a problem：The detector of the inside cannot power.
Utility model content
The technical problem of presence is patrolled and examined for cable in prior art, this utility model is asked for electric-type sensing there is provided one kind
Circulation monitoring device, to solve prior art in detector when wirelessly isolating with data transmission device inner detector cannot power
Problem, using resonance power taking technology, improves power taking efficiency, it is ensured that power supply and data acquisition are also achieved while safe.
To achieve these goals, this utility model is adopted the following technical scheme that.
One kind is asked for electric-type inductance loop stream monitoring device, including power module, the electric-type inductance loop stream monitoring dress of asking for
Put and also include temperature collect module, work handover module, current acquisition module, wireless transmitter module and resonance power-supply circuit, institute
Resonance power-supply circuit is stated with power module, temperature collect module, work handover module, current acquisition module, wireless transmitter module
It is connected by cable.
Preferably, the resonant frequency of the resonance power-supply circuit is electrical network 50HZ power frequencies.
In any of the above-described technical scheme preferably, the resonance power-supply circuit include storage capacitor, current transformer,
Resonant capacitance, two diodes, two resistance, two metal-oxide-semiconductors.
In any of the above-described technical scheme preferably, the current transformer, resonant capacitance, two diodes, two
Resistance, two metal-oxide-semiconductors connect and compose rectifier bridge.
In any of the above-described technical scheme preferably, described two resistor coupled in parallel connect or only with one of resistance
Composition current acquisition resistance.
In any of the above-described technical scheme preferably, described two metal-oxide-semiconductors could alternatively be two IGBT and manage, and described two
Individual IGBT pipes connect and compose rectifier bridge with current transformer, resonant capacitance, two diodes, two resistance.
In any of the above-described technical scheme preferably, the current transformer using transformer of the open loop with air gap or
Without the transformer of air gap.
In any of the above-described technical scheme preferably, it is mutual as electric current using inductance L1 in the resonance power-supply circuit
Sensor equivalent inductance.
In any of the above-described technical scheme preferably, the resonant capacitance is connected in parallel with inductance L1, and resonant frequency is
50Hz。
In any of the above-described technical scheme preferably, described two diodes are parasitic diode.
In any of the above-described technical scheme preferably, the current acquisition module is a circuit module or adopts monolithic
The built-in one section of code of machine.
In any of the above-described technical scheme preferably, the work handover module is a circuit module or adopts monolithic
The built-in one section of code of machine.
In any of the above-described technical scheme preferably, the work handover module and resonance power-supply circuit and wireless transmit
Module is connected, and the work handover module carries out depositing electricity with current acquisition switching.
In any of the above-described technical scheme preferably, the wireless transmitter module is low-power consumption module.
In any of the above-described technical scheme preferably, the wireless transmitter module adopts the civil telecommunications frequency of standard
433MHz or 315MHz.
In any of the above-described technical scheme preferably, the wireless transmitter module is adopted international standards bluetooth module
ZigBee module.
This utility model additionally provides one kind and asks for electric-type inductance loop stream monitoring method, and the method is included as allowed any one
Described electric-type inductance loop stream monitoring device of asking for, the electric-type inductance loop stream monitoring method of asking for includes：In conventional cores power taking
On the basis of plus resonant capacitance cause power taking efficiency improve；By working, handover module causes current transformer in power taking and survey
Switch between amount electric current；Using electric capacity collect electric charge, when electric energy reaches it is enough when, collecting temperature value, current value are then complete
Send into information；Using the difference of chip id number, different delay times are write per chip block, prevent wireless transmission conflict；It is main
Machine initiates question and answer mode communication with slave communication using slave, and slave can retain multiple current temperature data points, in Communications failure
Later retention data, when next time sets up communication in the lump on give；Main frame collects the data of multiple slave modules outside control chamber, then
Data will be sent to into server by any one mode of Ethernet, GPRS in data.
In any of the above-described technical scheme preferably, the electric-type inductance loop stream monitoring method of asking for includes：In order to improve
Power taking efficiency is in the method that power taking ring is that current transformer adds resonant capacitance.The resonant capacitance, using electric capacity and inductance simultaneously
Connection, the size of capacitance is 50Hz by the resonant frequency that electric capacity and inductance are constituted.
In any of the above-described technical scheme preferably, the electric-type inductance loop stream monitoring method of asking for employs a storage
Can electric capacity.
In any of the above-described technical scheme preferably, the electric-type inductance loop stream monitoring method of asking for includes：Same coil
Realize power taking and the alternate method of current detecting.The power taking includes with the alternate method of current detecting：Switch shape using metal-oxide-semiconductor
State, metal-oxide-semiconductor is closed and realizes power taking when power taking；In detection, metal-oxide-semiconductor opens short circuit, realizes detection electric current.
In any of the above-described technical scheme preferably, the electric-type inductance loop stream monitoring method of asking for includes：In order to solve
Testee is in high pressure conditions, the voltage partition method for sending out data using the method for wireless telecommunications.It is described wireless
The means of communication include：The wireless telecommunications purpose for using is to solve the problems, such as High-Voltage Insulation, it is ensured that instrument life safety.It is described wireless
The means of communication, the wireless communication mode for using is low-consumption wireless communication modes.The wireless communication method, the channel radio for using
Communication method is 433 or 315 frequencies for meeting international standard.The wireless communication method, the wireless communication method for using is symbol
Close the ZigBee communications protocol of international standard.The wireless communication method, the wireless communication method for using is to meet international standard
Bluetooth communication module.
In any of the above-described technical scheme preferably, the electric-type inductance loop stream monitoring method of asking for includes：In order to solve
Multiple modules work simultaneously, each slave uses difference ID. and set up further according to No. ID the interval time of communication time, realize
The method that communication does not conflict.The anti-collision method, each module is different No. ID.The anti-collision method, each mould
Block communication is interval time all different.The method includes the method for main frame and slave communication, employs a main frame correspondence multiple
Slave, is monitored by main frame, and slave initiates communication, the method for host response.The means of communication, slave is completed with laggard in communication
Enter zero-power and deposit power mode.The means of communication, main frame is constantly monitored, and slave sets up communication after needing to deposit electricity enough.
Electric-type inductance loop stream monitoring device of asking for of the present utility model, electric-type of asking for inductance loop stream monitoring device includes power supply
Module, temperature collect module, work handover module, current acquisition module, wireless transmitter module, also including resonance power-supply circuit,
Resonance power-supply circuit has storage capacitor and rectifier bridge, resonance power-supply circuit and power module, temperature collect module, work switching
Module, current acquisition module, wireless transmitter module are connected.Electric-type of asking for inductance loop stream monitoring method includes：In conventional cores
Plus resonant capacitance power taking efficiency is improved on the basis of power taking；By working, handover module causes current transformer in power taking
Switch and measurement electric current between；Using electric capacity collect electric charge, when electric energy reaches it is enough when, collecting temperature value, current value, so
After complete information transmission；Using the difference of chip id number, different delay times are write per chip block, prevent wireless transmission from rushing
It is prominent；Main frame initiates question and answer mode communication with slave communication using slave, and slave can retain multiple current temperature data points, in communication
Failure after retention data, next time set up communication when in the lump on give；Main frame collects the number of multiple slave modules outside control chamber
According to, then data will be sent to into server by any one mode of Ethernet, GPRS in data.
This utility model is that offer is asked for electric-type inductance loop stream monitoring device and electric-type inductance loop stream monitoring method of asking for,
To solve, high pressure present in prior art is not isolated, detector is difficult to the difficulty of power taking.Compared with prior art, this practicality is new
The core of the above-mentioned technical proposal of type is exactly to solve this powerup issue, using resonance power taking technology, improves power taking efficiency, then
After obtaining enough electricity, switching power taking pattern accurately measures the circulation and temperature of high tension cable, and profit to measurement pattern
The data acquisition unit of outside is transmitted data to wireless transmitter module, the technical solution of the utility model is solved well
The high-voltage electric shock that the detection of conventional high-tension cable circulation is present is dangerous, realizes the secure side of electric isolution read loop stream temperature of asking for
Formula.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the Current Mutual Inductance of the preferred embodiment according to electric-type inductance loop stream monitoring device of asking for of the present utility model
Device schematic diagram；
Fig. 2 is the circuit theory of the preferred embodiment according to electric-type inductance loop stream monitoring device of asking for of the present utility model
Structural representation.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Embodiment 1
In order to overcome cable to patrol and examine the problems of in the prior art, this utility model embodiment proposes that one kind is asked for
Electric-type senses circulation monitoring device, is illustrated as follows with reference to Fig. 1 and Fig. 2.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment is including power module, temperature collect module, work switching
Module, current acquisition module, wireless transmitter module, also including resonance power-supply circuit, resonance power-supply circuit have storage capacitor and
Rectifier bridge, resonance power-supply circuit and power module, temperature collect module, work handover module, current acquisition module, wireless transmit
Module is connected.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment, as shown in figure 1, resonance power-supply circuit includes storage capacitor
C2, current transformer, resonant capacitance C1, two diode D1, D2, two resistance R1, R2, two metal-oxide-semiconductors Q1, Q2.Electric current is mutual
Sensor, resonant capacitance C1, two diode D1 and D2, two resistance R1 and R2, two metal-oxide-semiconductors Q1 and Q2 connect and compose rectification
Bridge.Two resistance R1 and R2 are connected in parallel or only with one of resistance component current collection resistance of R1R2.Two metal-oxide-semiconductors
Q1 and Q2 could alternatively be two IGBT pipes, two IGBT pipes and current transformer, resonant capacitance, two diodes, two electricity
Resistance connects and composes rectifier bridge.In resonance power-supply circuit, using inductance L1 as current transformer equivalent inductance.Resonant capacitance C1 with
Inductance L1 is connected in parallel, and resonant frequency is 50Hz.Two diodes D1 and D2 are parasitic diode.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment, the resonant frequency of resonance power-supply circuit is electrical network 50HZ works
Frequently.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment, current transformer is using transformer of the open loop with air gap
Or without the transformer of air gap.As shown in Fig. 2 current transformer is the current transformer of a Harvard structure, armouring ground connection
It is, through the armouring ground connection electricity in transformer, have winding coil on the current transformer of Ha Fu (half) structure.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment, current acquisition module is a circuit module or adopts single
The built-in one section of code of piece machine.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment, the work handover module is a circuit module or adopts
With the built-in one section of code of single-chip microcomputer.Work handover module is connected with resonance power-supply circuit and wireless transmitter module, work switching
Module carries out depositing electricity with current acquisition switching.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment, wireless transmitter module is low-power consumption module.Wireless transmit
Module adopts civil telecommunications frequency 433MHz or 315MHz of standard.Wireless transmitter module is adopted international standards bluetooth module
ZigBee module.
The electric-type inductance loop stream monitoring method of asking for of the present embodiment includes：Resonance is added on the basis of conventional cores power taking
Electric capacity causes power taking efficiency to improve；By the handover module that works current transformer is switched between power taking and measurement electric current；
Using electric capacity collect electric charge, when electric energy reaches it is enough when, collecting temperature value, current value, then complete information transmission；Utilize
The difference of chip id number, different delay times are write per chip block, prevent wireless transmission conflict；Main frame is adopted with slave communication
Slave initiates question and answer mode communication, and slave can retain multiple current temperature data points, the retention data after Communications failure, next time
Set up communication when in the lump on give；Main frame collects the data of multiple slave modules outside control chamber, then by data by Ethernet,
Any one mode of GPRS will be sent to server in data.
The electric-type inductance loop stream monitoring method of asking for of preferred the present embodiment：In order to improve power taking efficiency in power taking ring i.e. electricity
The method that current transformer adds resonant capacitance.The resonant capacitance, using electric capacity and inductance in parallel, the size of capacitance is electric capacity
It is 50Hz with the resonant frequency that inductance is constituted.
The electric-type inductance loop stream monitoring method of asking for of preferred the present embodiment：The electric-type inductance loop stream monitoring method of asking for
Employ a storage capacitor.
The electric-type inductance loop stream monitoring method of asking for of preferred the present embodiment：Same coil realizes that power taking is handed over current detecting
The method replaced.The power taking includes with the alternate method of current detecting：Using metal-oxide-semiconductor switching state, metal-oxide-semiconductor when power taking
Power taking is realized in closing；In detection, metal-oxide-semiconductor opens short circuit, realizes detection electric current.
The electric-type inductance loop stream monitoring method of asking for of preferred the present embodiment：In order to solve testee in high pressure shape
State, the voltage partition method for being sent out data using the method for wireless telecommunications.The wireless communication method includes：Use
Wireless telecommunications purpose is to solve the problems, such as High-Voltage Insulation, it is ensured that instrument life safety.The wireless communication method, what is used is wireless
Communication modes are low-consumption wireless communication modes.The wireless communication method, the wireless communication method for using is to meet international mark
433 or 315 accurate frequencies.The wireless communication method, the wireless communication method for using is the ZigBee for meeting international standard
Communications protocol.The wireless communication method, the wireless communication method for using is the bluetooth communication module for meeting international standard.
The electric-type inductance loop stream monitoring method of asking for of preferred the present embodiment：Work simultaneously to solve multiple modules, it is every
Individual slave uses different No. ID. and set up further according to No. ID the interval time of communication time, realize the method that communication does not conflict.Institute
Anti-collision method is stated, each module is different No. ID.The anti-collision method, each module communication differs interval time
Sample.The method includes the method for main frame and slave communication, employs the corresponding multiple slaves of a main frame, is monitored by main frame, slave
Initiate communication, the method for host response.The means of communication, slave deposits power mode after communication is completed into zero-power.Institute
The means of communication are stated, main frame is constantly monitored, and slave sets up communication after needing to deposit electricity enough.
Ask for the electric-type inductance loop stream monitoring device and method of the present embodiment, solves high pressure present in prior art not
Isolation, detector are difficult to the difficulty of power taking, using resonance power taking technology, improve power taking efficiency, then obtain after enough electricity, cut
Power mode is exchanged for measurement pattern, the circulation and temperature of high tension cable is accurately measured, and using wireless transmitter module by number
According to the data acquisition unit for being sent to outside, the technical solution of the utility model solves well the inspection of conventional high-tension cable circulation
The high-voltage electric shock danger for existing is surveyed, the secured fashion of electric isolution read loop stream temperature of asking for is realized.
Embodiment 2
It is the same manner as in Example 1, the electric-type inductance loop stream monitoring device of asking for of the present embodiment, its electric-type inductance loop stream prison of asking for
Surveying device includes power module, temperature collect module, work handover module, current acquisition module, wireless transmitter module, also includes
Resonance power-supply circuit, resonance power-supply circuit has storage capacitor and rectifier bridge, resonance power-supply circuit and power module, temperature acquisition
Module, work handover module, current acquisition module, wireless transmitter module are connected.Its electric-type inductance loop stream monitoring method of asking for
Including：Plus resonant capacitance power taking efficiency is improved on the basis of conventional cores power taking；By working, handover module is caused
Current transformer switches between power taking and measurement electric current；Using electric capacity collect electric charge, when electric energy reaches it is enough when, collection
Temperature value, current value, then complete information transmission；Using the difference of chip id number, different delay times are write per chip block,
Prevent wireless transmission conflict；Main frame initiates question and answer mode communication with slave communication using slave, and slave can retain multiple electric current temperature
Number of degrees strong point, the retention data after Communications failure, next time set up communication when in the lump on give；Main frame is collected many outside control chamber
The data of individual slave module, then data will be sent to into server by any one mode of Ethernet, GPRS in data.
The electric-type inductance loop stream monitoring method of asking for of the present embodiment includes：Improve to current transformer matching resonant capacitance and take
The method of electrical efficiency；Controlled by logic controller (Single Chip Microcomputer (SCM) program) using metal-oxide-semiconductor and diode combinations, reach power taking and ring
The method that stream is checked；Storage capacitor is done using the big electric capacity of molten value (preferably electrochemical capacitor) to remain able to ensure after switching
The method of module normal work；Using wireless transmit communication module, data are sent out, it is preferred to use 315 or 433
The wireless communication module of frequency.
The electric-type inductance loop stream monitoring device of asking for of the present embodiment is including current transformer, resonance matching capacitance, rectification two
Pole pipe, for sampling to power taking switching metal-oxide-semiconductor, for control switching module (program), for the module (journey of temperature acquisition
Sequence), the module (program) for current acquisition, for the module of wireless transmit.
The mode of operation of ask for the electric-type inductance loop stream monitoring device and method of the present embodiment is：
After high tension cable is powered, armature of cable earth cable there has also been faint faradic current, and usually 3A is arrived
The electric current of 20A, after this electric current is more than 20A, it is unstable to represent cable work, needs reporting fault, and the module uses electricity
Weak current power taking of the current transformer on the armouring earth cable of high tension cable.Traditional resonance free power taking, inefficiency,
It is difficult to get the electricity of enough single chip control module, after adding resonant capacitance, power taking efficiency is substantially increased.But add humorous
Shake after electric capacity, if being constantly in resonant condition, the current value of armouring cannot be measured, it is therefore desirable to add switching to take
The module of electricity and measurement and set, this is set using metal-oxide-semiconductor as handover module, and metal-oxide-semiconductor is voltage turn-on module, with control
The low advantage of little, conducting resistance is lost.There are resonance power taking and control switching circuit, what module just can be stable is operated in faint
Above the cable armouring earth cable of electric current.After collecting data, then wireless communication module is moved the data into, by data
The data collection host being sent to outside grounding box, just using the LANs such as Ethernet, GPRS, the wide area network means of communication, transmission
To server platform, realize replacing traditional manual inspection.
The technical scheme of the present embodiment be provide one kind ask for electric-type inductance loop stream monitoring device and electric-type of asking for sensing
Circulation monitoring method, is not isolated, detector is difficult to the difficulty of power taking with solving high pressure present in prior art.With prior art
Compare, the core of the above-mentioned technical proposal of the present embodiment is exactly to solve this powerup issue, using resonance power taking technology, is carried
High power taking efficiency, then obtain after enough electricity, switching power taking pattern accurately measures the ring of high tension cable to measurement pattern
Stream and temperature, and transmit data to the data acquisition unit of outside, technical side of the present utility model using wireless transmitter module
Case solves well the high-voltage electric shock danger that the detection of conventional high-tension cable circulation is present, and realizes electric isolution read loop stream of asking for
The secured fashion of temperature.
The above is only that preferred implementation of the present utility model is described, and is not to model of the present utility model
Enclose and be defined, on the premise of without departing from this utility model design spirit, this area ordinary skill technical staff is to this practicality
Various modifications and improvement that new technical scheme is made, all should fall into the protection model that claims of the present utility model determine
In enclosing.
Claims (14)
1. one kind is asked for electric-type inductance loop stream monitoring device, including power module, it is characterised in that：The electric-type inductance loop of asking for
Stream monitoring device also includes temperature collect module, work handover module, current acquisition module, wireless transmitter module and resonance power taking
Circuit, the resonance power-supply circuit and power module, temperature collect module, work handover module, current acquisition module, wireless sends out
Penetrate module to be connected by cable.
2. electric-type of asking for as claimed in claim 1 inductance loop stream monitoring device, it is characterised in that：The resonance power-supply circuit
Resonant frequency is electrical network 50HZ power frequencies.
3. electric-type of asking for as claimed in claim 2 inductance loop stream monitoring device, it is characterised in that：The resonance power-supply circuit bag
Include storage capacitor, current transformer, resonant capacitance, two diodes, two resistance, two metal-oxide-semiconductors.
4. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：It is the current transformer, humorous
Shake electric capacity, two diodes, two resistance, two metal-oxide-semiconductors connect and compose rectifier bridge.
5. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：Described two resistor coupled in parallel connect
Connect or gather resistance only with one of resistance component current.
6. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：Described two metal-oxide-semiconductors can be with
Two IGBT pipes are replaced with, described two IGBT pipes are connected with current transformer, resonant capacitance, two diodes, two resistance
Constitute rectifier bridge.
7. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：The current transformer is adopted
Transformer of the open loop with air gap or the transformer without air gap.
8. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：The resonance power-supply circuit
In, using inductance L1 as current transformer equivalent inductance.
9. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：The resonant capacitance and inductance
L1 is connected in parallel, and resonant frequency is 50Hz.
10. electric-type of asking for as claimed in claim 3 inductance loop stream monitoring device, it is characterised in that：Described two diodes are equal
For parasitic diode.
11. ask for as claimed in claim 1 electric-type inductance loop stream monitoring device, it is characterised in that：The work handover module
It is connected with resonance power-supply circuit and wireless transmitter module, the work handover module carries out depositing electricity with current acquisition switching.
12. ask for as claimed in claim 1 electric-type inductance loop stream monitoring device, it is characterised in that：The wireless transmitter module
For low-power consumption module.
13. ask for as claimed in claim 1 electric-type inductance loop stream monitoring device, it is characterised in that：The wireless transmitter module
Using civil telecommunications frequency 433MHz or 315MHz of standard.
14. ask for as claimed in claim 1 electric-type inductance loop stream monitoring device, it is characterised in that：The wireless transmitter module
Adopt international standards bluetooth module ZigBee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987582.1U CN206114745U (en) | 2016-08-30 | 2016-08-30 | Electric formula of asking for response circulation monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620987582.1U CN206114745U (en) | 2016-08-30 | 2016-08-30 | Electric formula of asking for response circulation monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114745U true CN206114745U (en) | 2017-04-19 |
Family
ID=58514857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620987582.1U Active CN206114745U (en) | 2016-08-30 | 2016-08-30 | Electric formula of asking for response circulation monitoring devices |
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| Country | Link |
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| CN (1) | CN206114745U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199139A (en) * | 2016-08-30 | 2016-12-07 | 浙江图维科技股份有限公司 | One is asked for electric-type inductance loop stream monitoring device and method |
| CN110412330A (en) * | 2019-09-04 | 2019-11-05 | 广东电网有限责任公司 | A kind of detection device of cable metal shield circulating current |
-
2016
- 2016-08-30 CN CN201620987582.1U patent/CN206114745U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199139A (en) * | 2016-08-30 | 2016-12-07 | 浙江图维科技股份有限公司 | One is asked for electric-type inductance loop stream monitoring device and method |
| CN110412330A (en) * | 2019-09-04 | 2019-11-05 | 广东电网有限责任公司 | A kind of detection device of cable metal shield circulating current |
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