CN205581190U - Small rapid current detection system of power frequency based on zigBee - Google Patents
Small rapid current detection system of power frequency based on zigBee Download PDFInfo
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- CN205581190U CN205581190U CN201620302427.1U CN201620302427U CN205581190U CN 205581190 U CN205581190 U CN 205581190U CN 201620302427 U CN201620302427 U CN 201620302427U CN 205581190 U CN205581190 U CN 205581190U
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Abstract
The utility model discloses a small rapid current detection system of power frequency based on zigBee, its characterized in that: assemble node and host computer including the small rapid current detection sensor node of power frequency, network, the small rapid current detection sensor node of power frequency assembles node communication connection through zigBee wireless transmission module with the network, the network assembles the node and passes through serial ports and host computer communication connection, the small rapid current detection sensor node of power frequency is including the embedding of integrated wireless receiving and dispatching function decline the control unit and connected current detection unit, alarm unit and display element, the current detection unit includes current transformer and the IV converter, multistage active low -pass filter, the adc that connect gradually with it. The utility model discloses the customer service in the present limited difficult problem of wiring, the convenient nimble small current signal of short -term test power frequency and will detect data transmission to host computer in real time.
Description
Technical field
This utility model relates to current detection technology field, is specifically related to a kind of power frequency Weak current rapid detection system based on ZigBee.
Background technology
Zigbee is low-power consumption territory based on IEEE802.15.4 standard fidonetFido.The technology specified according to this agreement is the wireless communication technology of a kind of short distance, low-power consumption.Be characterized in closely, low complex degree, self-organizing, low-power consumption, high data rate, low cost.It is mainly suitable for, for automatically controlling and remote control field, various equipment to be embedded.Zigbee protocol is respectively physical layer (PHY), MAC layer (MAC), transport layer (TL), Internet (NWK), application layer (APL) etc. from top to bottom.Power frequency Weak current quick-check sensor development based on ZigBee wireless technology is proposed under this background, overcome the difficult problem that wiring is limited, compared with wired system, wireless system can build mobile communications network whenever and wherever possible, convenient flowing accesses and adjusts monitoring place temporarily, real-time monitoring data can be sent to ipc monitor center, drastically increase monitoring benefit.
A kind of power frequency Weak current rapid detection system based on ZigBee described in the utility model is a kind of by multiple electric current wireless detecting systems constituted with the power frequency Weak current quick-check sensor node of wireless data transceiving function.It can dynamically gather and monitoring current information be acted upon it, by wireless network, data message is collected to host computer the most again and is monitored.
Utility model content
This utility model provides a kind of power frequency Weak current rapid detection system based on ZigBee, the difficult problem that the existing middle wiring of customer service is limited, convenient, flexible quickly detection power frequency Weak current signal and sending detection data to host computer in real time.
For achieving the above object, this utility model adopts the following technical scheme that a kind of power frequency Weak current rapid detection system based on ZigBee, it is characterised in that: include power frequency Weak current quick-check sensor node, network aggregation node and host computer；Described power frequency Weak current quick-check sensor node is communicated to connect with network aggregation node by ZigBee wireless transport module, and described network aggregation node is communicated to connect with host computer by serial ports；Described power frequency Weak current quick-check sensor node includes embedded micro-control unit and connected current detecting unit, alarm unit and the display unit of integrated wireless transmission-receiving function；Described current detecting unit includes current transformer and the I/V changer being sequentially connected with therewith, multistage active low-pass filter, analog-digital converter.
Further: described alarm unit uses buzzer or LED.
Further: described display unit uses LCD.
Further: the embedded micro-control unit of described integrated wireless transmission-receiving function selects CC2430 chip.
Further: described multistage active low-pass filter is three rank active low-pass filters.
Further: described analog-digital converter is analog-digital converter based on STC12C516AD.
This utility model has the beneficial effect that
(1) power frequency Weak current rapid detection system based on ZigBee wireless technology overcomes the difficulty that the wiring under wired system is limited, the quickly detection power frequency Weak current signal that energy is convenient, flexible, and remotely understands, by host computer, the current data information detected；
(2) power frequency Weak current quick-check sensor node includes embedded micro-control unit and connected current detecting unit, alarm unit and the display unit of integrated wireless transmission-receiving function, after current detecting unit Quick Acquisition current signal, current signal enters the embedded micro-control unit of integrated wireless transmission-receiving function successively after I/V conversion, low-pass filtering, analog digital conversion and quickly calculates, digital signal is also delivered to display unit and is shown by embedded microcontroller, delivers to alarm unit and reports to the police.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram；
Fig. 2 is the structural representation of this utility model power frequency Weak current quick-check sensor node.
Detailed description of the invention
With embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1 is a preferred embodiment of the invention, as shown in accompanying drawing 1-2: a kind of power frequency Weak current rapid detection system based on ZigBee, including power frequency Weak current quick-check sensor node, network aggregation node and host computer.Power frequency Weak current quick-check sensor node gathers current signal, each sensor node forms star topology network centered by network aggregation node, each sensor node is communicated to connect with network aggregation node by ZigBee wireless transport module, and described network aggregation node is communicated to connect with host computer by serial ports.Described power frequency Weak current quick-check sensor node includes embedded micro-control unit and connected current detecting unit, alarm unit and the display unit of integrated wireless transmission-receiving function.The embedded micro-control unit of integrated wireless transmission-receiving function described in the present embodiment uses CC2430 chip.
Described current detecting unit include current transformer and with the I/V changer being sequentially connected with therewith, multistage active low-pass filter, analog-digital converter.In the present embodiment, multistage active low-pass filter is three order active filter, and analog-digital converter is analog-digital converter based on STC12C516AD.Current transformer collection current signal after current signal enters the embedded micro-control unit of integrated wireless transmission-receiving function successively after I/V conversion, three rank active low-pass filters, STC12C516AD analog digital conversion and quickly calculates, digital signal is also delivered to display unit and is shown by embedded microcontroller, delivers to alarm unit and reports to the police.
Described alarm unit uses buzzer or LED.Described display unit uses LCD.
Utility model works mechanism is: the current transformer of power frequency Weak current quick-check sensor node gathers current signal, convert through signal again, active power filtering, analog to digital conversion is admitted to the embedded micro-control unit of integrated wireless transmission-receiving function and is used for quickly detecting and controls after transferring numeral letter to, the current data information that embedded micro-control unit detects is sent to network aggregation node by ZigBee wireless transport module, data message is sent to host computer by serial ports by network aggregation node again, the data message of each sensor node can be monitored in real time by host computer.
The above; it is only preferred embodiment of the present utility model; not in order to limit this utility model, every any trickle amendment, equivalent and improvement made above example according to technical spirit of the present utility model, within should be included in the protection domain of technical solutions of the utility model.
Claims (6)
1. a power frequency Weak current rapid detection system based on ZigBee, it is characterised in that: include power frequency Weak current quick-check sensor node, network aggregation node and host computer；Described power frequency Weak current quick-check sensor node is communicated to connect with network aggregation node by ZigBee wireless transport module, and described network aggregation node is communicated to connect with host computer by serial ports；Described power frequency Weak current quick-check sensor node includes embedded micro-control unit and connected current detecting unit, alarm unit and the display unit of integrated wireless transmission-receiving function；Described current detecting unit includes current transformer and the I/V changer being sequentially connected with therewith, multistage active low-pass filter, analog-digital converter.
A kind of power frequency Weak current rapid detection system based on ZigBee the most according to claim 1, it is characterised in that: described alarm unit uses buzzer or LED.
A kind of power frequency Weak current rapid detection system based on ZigBee the most according to claim 1, it is characterised in that: described display unit uses LCD.
A kind of power frequency Weak current rapid detection system based on ZigBee the most according to claim 1, it is characterised in that: the embedded micro-control unit of described integrated wireless transmission-receiving function selects CC2430 chip.
A kind of power frequency Weak current rapid detection system based on ZigBee the most according to claim 1, it is characterised in that: described multistage active low-pass filter is three rank active low-pass filters.
A kind of power frequency Weak current rapid detection system based on ZigBee the most according to claim 1, it is characterised in that: described analog-digital converter is analog-digital converter based on STC12C516AD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302427.1U CN205581190U (en) | 2016-04-12 | 2016-04-12 | Small rapid current detection system of power frequency based on zigBee |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620302427.1U CN205581190U (en) | 2016-04-12 | 2016-04-12 | Small rapid current detection system of power frequency based on zigBee |
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| CN205581190U true CN205581190U (en) | 2016-09-14 |
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| CN201620302427.1U Expired - Fee Related CN205581190U (en) | 2016-04-12 | 2016-04-12 | Small rapid current detection system of power frequency based on zigBee |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490493A (en) * | 2017-09-07 | 2017-12-19 | 中车青岛四方车辆研究所有限公司 | Retardation test system, retardation test method and processor |
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2016
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490493A (en) * | 2017-09-07 | 2017-12-19 | 中车青岛四方车辆研究所有限公司 | Retardation test system, retardation test method and processor |
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| Date | Code | Title | Description |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170412 |