CN203606425U - Wireless current sensor - Google Patents
Wireless current sensor Download PDFInfo
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- CN203606425U CN203606425U CN201320683442.1U CN201320683442U CN203606425U CN 203606425 U CN203606425 U CN 203606425U CN 201320683442 U CN201320683442 U CN 201320683442U CN 203606425 U CN203606425 U CN 203606425U
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- electric current
- wireless electric
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Abstract
The utility model discloses a wireless current sensor. A capacity region is connected with an AD conversion module, the AD conversion module is connected with a wireless current receiving module, the wireless current receiving module is connected with a single-chip microcomputer, the single-chip microcomputer is connected with an information collection module, the information collection module is connected with a wireless current protection module, and a wireless current induction region is connected with the single-chip microcomputer. Breaking through traditional concepts of sensors, a new method is employed for avoiding the deficiencies of wired sensors. The capacity region, the AD conversion module and the single-chip microcomputer are necessary parts of a conventional wireless current sensor. The ireless current sensor is simple to operate, convenient to use and high in data receiving efficiency, is urgently needed in the market and will become a mainstream product of novel sensors.
Description
Technical field
The utility model relates to sensor technical field, is specially a kind of radio flow sensor.
Background technology
At present, known radio flow sensor is by working power, signal measurement, the parts such as AD conversion and single-chip microcomputer form, conventional radio flow sensor needs external power supply to provide working power to system, therefore this class radio flow sensor is generally arranged on each branched line place of distribution line, quantity is installed larger, while using external power supply, need to be used for from the independent wiring of distribution leading-out terminal the working power of detector, this makes distribution secondary line more numerous and diverse, the utility model object is, overcome the shortcoming of prior art, a kind of radio flow sensor without external power supply circuit is provided.
Summary of the invention
For the problems referred to above, the utility model aims to provide a kind of radio flow sensor.
For realizing this technical purpose, scheme of the present utility model is: a kind of radio flow sensor, comprise production capacity district, radio stream induction zone, AD modular converter, wireless electric current receiver module, single-chip microcomputer, information acquisition module, wireless electric current protection module, described production capacity district is connected with AD modular converter, described AD modular converter is connected with wireless electric current receiver module, described wireless electric current receiver module is connected with single-chip microcomputer, described single-chip microcomputer is connected with information acquisition module, described information acquisition module is connected with wireless electric current protection module, described radio stream induction zone is connected with single-chip microcomputer.
As preferably, described radio stream induction zone and wireless electric current receiver module are corresponding existence.
As preferably, described production capacity district is made up of magnetic induction coil, rectification circuit, filtering circuit and power converting circuit.
As preferably, described single-chip microcomputer can send fault-signal to superior system by command information acquisition module.
The utility model is broken the traditional concept of sensor in the past, adopt new method to avoid being with line sensor weak point, production capacity district wherein, AD modular converter and single-chip microcomputer are the parts of conventional radio flow sensor indispensability, production capacity district is installed on the distribution line in power distribution network, short circuit and earth-fault current signal detect from installed distribution line in production capacity district, the analog input AD modular converter recording, AD modular converter is sent into single-chip microcomputer after analog quantity is converted to digital quantity, single-chip microcomputer judges whether to break down according to digital quantity, general by single-chip microcomputer peripheral hardware display screen, single-chip microcomputer is processed digital quantity gained check result and just can be manifested at display screen, and embodiment proposes to arrange the wireless sending module that connects single-chip microcomputer, single-chip microcomputer is processed the fault-signal producing after digital quantity and is outwards sent through wireless sending module, the concrete form that sends is determined according to the model of wireless sending module, by sending after single-chip microcomputer coding, magnetic induction coil is installed on distribution line, the inductance core position of distribution line in magnetic induction coil, magnetic induction coil is similar to current transformer, pass through energization from magnetic field, because bus current is constantly to change, and fault detector needed be the DC voltage of constant magnitude, therefore magnetic induction coil is from bus induces the energy of interchange, change alternating current into DC voltage through rectification circuit, by filtering circuit, pulsating volage is carried out smoothly.DC pulse moving voltage outputs to power converting circuit after filtering circuit carries out smoothly, power converting circuit provides operating voltage for radio flow sensor, for single-chip microcomputer and AD modular converter need the part power supply of working power like this, circuital current protection module provides warning protective effect for composition structures all in whole sensor, when circuit is under-voltage or occur that other abnormal conditions enable to rise in time repairing protective effect, prevent that whole operating circuit is impaired, it is simple to operate, convenient when use, reception data efficiency is high, the market demand is strong, can become the main product of novel sensor.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Figure 1, a kind of radio flow sensor of the utility model embodiment, comprise production capacity district 1, radio stream induction zone 2, AD modular converter 3, wireless electric current receiver module 4, single-chip microcomputer 5, information acquisition module 6, wireless electric current protection module 7, described production capacity district 1 is connected 3 with AD modular converter, described AD modular converter 3 is connected with wireless electric current receiver module 4, described wireless electric current receiver module 4 is connected with single-chip microcomputer 5, described single-chip microcomputer 5 is connected with information acquisition module 6, described information acquisition module 6 is connected with wireless electric current protection module 7, described radio stream induction zone 2 is connected with single-chip microcomputer 5.
As preferably, described radio stream induction zone 2 and wireless electric current receiver module 4 are corresponding existence.
As preferably, described production capacity district 1 is made up of magnetic induction coil, rectification circuit, filtering circuit and power converting circuit.
As preferably, described single-chip microcomputer 5 can send fault-signal to superior system by command information acquisition module 6.
The utility model is broken the traditional concept of sensor in the past, adopt new method to avoid being with line sensor weak point, production capacity district wherein, AD modular converter and single-chip microcomputer are the parts of conventional radio flow sensor indispensability, production capacity district is installed on the distribution line in power distribution network, short circuit and earth-fault current signal detect from installed distribution line in production capacity district, the analog input AD modular converter recording, AD modular converter is sent into single-chip microcomputer after analog quantity is converted to digital quantity, single-chip microcomputer judges whether to break down according to digital quantity, general by single-chip microcomputer peripheral hardware display screen, single-chip microcomputer is processed digital quantity gained check result and just can be manifested at display screen, and embodiment proposes to arrange the wireless sending module that connects single-chip microcomputer, single-chip microcomputer is processed the fault-signal producing after digital quantity and is outwards sent through wireless sending module, the concrete form that sends is determined according to the model of wireless sending module, by sending after single-chip microcomputer coding, magnetic induction coil is installed on distribution line, the inductance core position of distribution line in magnetic induction coil, magnetic induction coil is similar to current transformer, pass through energization from magnetic field, because bus current is constantly to change, and fault detector needed be the DC voltage of constant magnitude, therefore magnetic induction coil is from bus induces the energy of interchange, change alternating current into DC voltage through rectification circuit, by filtering circuit, pulsating volage is carried out smoothly.DC pulse moving voltage outputs to power converting circuit after filtering circuit carries out smoothly, power converting circuit provides operating voltage for radio flow sensor, for single-chip microcomputer and AD modular converter need the part power supply of working power like this, circuital current protection module provides warning protective effect for composition structures all in whole sensor, when circuit is under-voltage or occur that other abnormal conditions enable to rise in time repairing protective effect, prevent that whole operating circuit is impaired, it is simple to operate, convenient when use, reception data efficiency is high, the market demand is strong, can become the main product of novel sensor.
The above; it is only preferred embodiment of the present utility model; not in order to limit the utility model, any trickle modification that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, within all should being included in the protection domain of technical solutions of the utility model.
Claims (4)
1.
a kind of radio flow sensor; comprise production capacity district, radio stream induction zone, AD modular converter, wireless electric current receiver module, single-chip microcomputer, information acquisition module, wireless electric current protection module; it is characterized in that: described production capacity district is connected with AD modular converter; described AD modular converter is connected with wireless electric current receiver module; described wireless electric current receiver module is connected with single-chip microcomputer; described single-chip microcomputer is connected with information acquisition module; described information acquisition module is connected with wireless electric current protection module, and described radio stream induction zone is connected with single-chip microcomputer.
2.
a kind of radio flow sensor according to claim 1, is characterized in that: described in state radio stream induction zone and wireless electric current receiver module is corresponding existence.
3.
a kind of radio flow sensor according to claim 1, is characterized in that: described production capacity district is made up of magnetic induction coil, rectification circuit, filtering circuit and power converting circuit.
4.
a kind of radio flow sensor according to claim 1, is characterized in that: described single-chip microcomputer can send fault-signal to superior system by command information acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683442.1U CN203606425U (en) | 2013-11-01 | 2013-11-01 | Wireless current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683442.1U CN203606425U (en) | 2013-11-01 | 2013-11-01 | Wireless current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203606425U true CN203606425U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683442.1U Expired - Fee Related CN203606425U (en) | 2013-11-01 | 2013-11-01 | Wireless current sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203606425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182060A (en) * | 2015-10-08 | 2015-12-23 | 三峡大学 | Self-power distributed wireless current sensor |
-
2013
- 2013-11-01 CN CN201320683442.1U patent/CN203606425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182060A (en) * | 2015-10-08 | 2015-12-23 | 三峡大学 | Self-power distributed wireless current sensor |
| CN105182060B (en) * | 2015-10-08 | 2018-07-24 | 三峡大学 | A kind of self-powered distributed wireless current sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20141101 |
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| EXPY | Termination of patent right or utility model |