CN203191486U

CN203191486U - RFID-based intelligent detection device for power grounding wire

Info

Publication number: CN203191486U
Application number: CN 201320203588
Authority: CN
Inventors: 高建伟; 田成凤; 冀慧强; 郭浩; 赵北涛; 方琼; 崔建宇; 刘美静; 陈晓旭; 宫俊
Original assignee: State Grid Corp of China SGCC; Tianjin Electric Power Corp
Current assignee: State Grid Corp of China SGCC; Tianjin Electric Power Corp
Priority date: 2013-04-22
Filing date: 2013-04-22
Publication date: 2013-09-11
Anticipated expiration: 2023-04-22

Abstract

The utility model provides an RFID-based intelligent detection device for a power grounding wire. The RFID-based intelligent detection device comprises an electronic tag and a detection unit. The electronic tag, which is a semi-active RFID electronic tag chip, is installed on the grounding wire. The detection unit, which is installed nearby a grounding wire stake, comprises an activator, a recognizer and a communication module, wherein the activator is a low-frequency activation device for the electronic tag and can activate the electronic tag, the recognizer is an RFID electronic tag reader/writer, and the communication module provides an interface for the device to communicate with the outside. According to the intelligent detection device, a function of positioning the grounding wire is added to position the grounding wire depending on the coding of the activator, and the error is kept within 3 meters; a writing-in function for the electronic tag is added to record operation and usage conditions of the grounding wire; a radio communication mode is added to further adapt to the field requirement; and LED indicating lamps with different colors are arranged to help grasp the service condition of the RFID-based intelligent detection device for the power grounding wire.

Description

A kind of intelligent detection device of line power ground based on RFID

Technical field

The utility model relates to a kind of power supply safety guard, particularly relates to a kind of intelligent detection device of line power ground based on RFID.

Background technology

The present effect of line power ground is exactly to be articulated in the ground wire stake when carrying out plant maintenance, maintenance, with support equipment and maintainer's safety.For a long time, transformer station's level of spool reason over the ground is lower, generally just interim ground wire is suspended to toolroom, shortage unification, standard, effective ladder of management.Though many transformer stations have adopted shutting device to prevent mistakes in microcomputer, the use of temporary ground wire not to be managed effectively, there is the chaotic situation of using in temporary ground wire, and the whole nation happens occasionally because ground wire uses the accident that causes lack of standardization.According to state's net corporate statistics, the electric fault-operation accident relevant with temporary ground wire accounts for 60% of misoperation fault sum.

Because ground wire self does not possess intelligent functions such as self-management, relying on the increase ground wire to detect blocking mechanism, ground wire administrative unit etc. manages ground wire, the system architecture more complicated, the number of devices that relies on is more, inconvenient operation, ground wire is operated, will be passed through trivial step when managing, be unfavorable for grasping fast, easily ground wire information and to the management of ground wire.

People began to recognize the ground wire Importance of Management in recent years, and had developed various temporary ground wire management systems, the progressively management of perfect, enhanced grounding line, and obtained certain effect.But the present reason of the spool provisionally system that develops mainly detects modes such as locking terminal, ground wire administrative unit by being equipped with various ground wires, reach the purpose that improves the ground wire management level, from improving the intelligent level of ground wire self, research does not fundamentally improve the method for ground wire management level.

Summary of the invention

In order to address the above problem, the purpose of this utility model is to provide a kind of intelligent detection device of line power ground based on RFID.

In order to achieve the above object, the intelligent detection device of line power ground based on RFID that the utility model provides comprises: electronic tag and detecting unit, and wherein: electronic tag is half active RFID electronic label chip, and it is installed on the ground wire; Detecting unit be installed in the ground wire stake near;

Detecting unit mainly is made up of activator appliance, recognizer and communication module; Wherein:

Activator appliance is the low frequency active device of electronic tag, can in 3 to 3.5 meters distance electronic tag be activated;

Recognizer is the RFID electronic label read/write, and the radiofrequency signal that its electronic tag that can receive the device activation that is activated sends therefrom identifies corresponding with it electronic tag and carries out exchanges data with it;

Communication module is this device and outside communication interface, is used for carrying out message exchange with the administrative unit of outside, and it is connected with activator appliance, is used for communicating by letter between realization recognizer and the administrative unit.

Be connected with a plurality of LED working station indicators on the described recognizer, respectively expression: normal standby is that green light Chang Liang, operate as normal are that green light glimmers at a slow speed, the self check fault is red light Chang Liang and the ground wire numbering does not correspond to the amber light fast blink.

The intelligent detection device of line power ground based on RFID that the utility model provides detects blocking mechanism with existing ground wire and compares, and has increased the function that ground wire is positioned, and relies on the coding of identification activator appliance that ground wire is located, and error is in 3 meters; Increase the write-in functions to electronic tag, can record the operation operating position of ground wire; Increase communication, more can adapt to on-the-spot needs; Be provided with the LED light of different colours, be convenient to grasp the working condition based on the intelligent detection device of line power ground of RFID.

Description of drawings

Fig. 1 forms synoptic diagram for the intelligent detection device of line power ground based on RFID that the utility model provides.

Embodiment

Below in conjunction with the drawings and specific embodiments the intelligent detection device of line power ground based on RFID that the utility model provides is elaborated.

As shown in Figure 1, the intelligent detection device of line power ground based on RFID that the utility model provides comprises: electronic tag 1 and detecting unit 2, and wherein: electronic tag 1 is half active RFID electronic label chip, and it is installed on the ground wire; Detecting unit 2 be installed in the ground wire stake near;

Detecting unit 2 mainly is made up of activator appliance 21, recognizer 22 and communication module 23; Wherein:

Activator appliance 21 is the low frequency active device of electronic tag 1, can in 3 to 3.5 meters distance electronic tag 1 be activated;

Recognizer 22 is the RFID electronic label read/write, and the radiofrequency signal that its electronic tag 1 that can receive device 21 activation that are activated sends therefrom identifies corresponding with it electronic tag 1 and carries out exchanges data with it;

Communication module 23 is this device and outside communication interface, is used for carrying out message exchange with the administrative unit 3 of outside, and it is connected with activator appliance 22, is used for communicating by letter between realization recognizer 22 and the administrative unit 3.

Be connected with a plurality of LED working station indicators on the described recognizer 22, respectively expression: normal standby is that green light Chang Liang, operate as normal are that green light glimmers at a slow speed, the self check fault is red light Chang Liang and the ground wire numbering does not correspond to the amber light fast blink.

In the ground wire management system, one or more ground wire administrative units 3 generally will be set, the intelligent detection device of line power ground based on RFID need possess communication function for this reason, carries out two-way information interaction with ground wire administrative unit 3.

Communicating by letter between described communication module 23 and the administrative unit 3 adopted RS485 universal serial bus pattern, Ethernet pattern or based on the wireless communications mode of ZigBee.

The storage inside of described electronic tag 1 has a unique recognition coding as the ground wire identity code, and each ground wire identity code is corresponding with a ground wire, and the ground wire identity code can be used as the unique identify label of ground wire; Electronic label chip based on RFID has stronger data storage capacities, and memory capacity provides possibility for number 10K for storing abundant information, can store ground wire identity code and other parameter, attribute information.

Activator appliance 21 in each detecting unit 2 is provided with unique detecting unit sign indicating number, can distinguish each other, and activator appliance 21 can activate and enter its electronic tag that effectively enough activates scope 1, can send the detecting unit sign indicating number of self to electronic tag 1 simultaneously; After being activated, electronic tag 1 can send one group of rf data automatically, wherein comprise the detecting unit sign indicating number of activator appliance 21 and the ground wire identity code information of self, because effective activation of activator appliance 21 is limited in scope, the location of ground wire accordingly can achieve a butt joint, judge whether ground wire position this moment is correct, and bearing accuracy is less than 3 meters;

The intelligent detection device of line power ground based on RFID that the utility model provides, be mainly used in ground wire stake place, correctness in place to ground wire detects, this device when mounted, detecting unit 2 need be installed in ground stud near, and at ground wire electronic tag 1 is installed, determine corresponding relation between detecting unit 2 and the electronic tag 1 by ground wire identity code and detecting unit sign indicating number then, every ground wire all correspondence this pick-up unit; This device is mainly finished following function:

(1) the ground wire identity is carried out identification, authentication and ground wire location; (2) the operation service recorder of ground wire is finished read and write; (3) communicate by letter with upper ground wire administrative unit 3:

(1) the ground wire identity is carried out identification, authentication and locate: utilize RFID recognizer 22 to read unique ground wire identity code in the ground wire electronic tag 1, with the encoding ratio of setting, judge whether current ground wire is corresponding ground wire, if not, point out by the fast blink yellow indicator lamp.Realize by RFID activator appliance 21 is installed in ground wire stake position the ground wire location, each activator appliance 21 is provided with different detecting unit sign indicating numbers, the detecting unit sign indicating number information that includes activator appliance 21 in the data that ground wire electronic tag 1 externally sends is by finishing the ground wire location to the identification of activator appliance 21 detecting unit sign indicating numbers.

(2) the operation service recorder of ground wire is finished read and write: both can read the internal information of electronic tag 1 on the ground wire based on half active RFID recognizer 22, and the operation operating position can also have been write in the electronic tag 1.For example when when ground wire is correctly in place for record, when when takes ground wire etc. away.The limited storage space of electronic tag 1,60 information of default storage, after this sequencing by writing time covers original information successively.

(3) communicate by letter with upper ground wire administrative unit 3: in the ground wire management system, one or more ground wire administrative units 3 generally will be set, communicate with detecting unit 2, realize this based on the intelligent detection device of line power ground of RFID and the management of ground wire.The intelligent detection device of line power ground based on RFID need possess communication function for this reason, carries out two-way information interaction with ground wire administrative unit 3.In order to adapt to different on-the-spot demands, be provided with wire communication and radio communication dual mode.Wherein wire communication comprises RS485 or Ethernet, wireless employing ZigBee networking.Because the non-relay communication distance of ZigBee is about 75 meters, so will increase relaying after surpassing 75 meters communication distance.

The utility model provide based on the intelligent detection device of line power ground of RFID in use, 2 pairs of detecting units down can whether correctly in place by being installed in electronic tag 1 on the ground wire if detecting ground wire, and the electronic tag 1 write operation service recorder on the ground wire correctly in place; Communicate by letter with ground wire administrative unit 3 (wired and wireless mode) to last, report the information such as property parameters, current state, operation service recorder of the ground wire of managing.For the ease of grasping the duty based on the intelligent detection device of line power ground of RFID, be provided with the LED light of a plurality of different colours on the detecting unit 2, identify the duty of this device by the variation of indicator light colors and flicker frequency.

The intelligent detection device of line power ground based on RFID that the utility model provides has increased the function that ground wire is positioned, and relies on the coding of identification activator appliance that ground wire is located, and error is in 3 meters; Increase the write-in functions to electronic tag, can record the operation operating position of ground wire; Increase communication, more can adapt to on-the-spot needs; Be provided with the LED light of different colours, be convenient to grasp the working condition based on the intelligent detection device of line power ground of RFID.

For not including the ground wire of temporary ground wire management system in, the utility model has been realized orderly, the scientific management to ground wire, can fundamentally stop ground wire and abuse, disorderly hang, take and phenomenon such as do not send, lose back to, greatly reduce because the electrical production security incident that causes lack of standardization is used in the ground wire operation.

For the ground wire of including the temporary ground wire management system at present in, the utility model has been realized functions such as ground wire identification, location, record operation operating positions, especially back two functions are that present ground wire is not available, thereby have realized the intellectuality of ground wire.

The intelligent detection device of line power ground based on RFID that the utility model provides based on the RFID technology, need not contact when reading electronic tag, have fast, the reliability advantages of higher of reading speed, and have long serviceable life.

Claims

1. intelligent detection device of line power ground based on RFID, it is characterized in that: the described intelligent detection device of line power ground based on RFID comprises: electronic tag (1) and detecting unit (2), wherein: electronic tag (1) is half active RFID electronic label chip, and it is installed on the ground wire; Detecting unit (2) be installed in the ground wire stake near;

Detecting unit (2) mainly is made up of activator appliance (21), recognizer (22) and communication module (23); Wherein:

Activator appliance (21) is the low frequency active device of electronic tag (1), can in 3 to 3.5 meters distance electronic tag (1) be activated;

Recognizer (22) is the RFID electronic label read/write, and the radiofrequency signal that its electronic tag (1) that can receive the device that is activated (21) activation sends therefrom identifies corresponding with it electronic tag (1) and carries out exchanges data with it;

Communication module (23) is this device and outside communication interface, is used for carrying out message exchange with the administrative unit (3) of outside, and it is connected with activator appliance (22), is used for communicating by letter between realization recognizer (22) and the administrative unit (3).

2. the intelligent detection device of line power ground based on RFID according to claim 1, it is characterized in that: be connected with a plurality of LED working station indicators on the described recognizer (22), respectively expression: normal standby is that green light Chang Liang, operate as normal are that green light glimmers at a slow speed, the self check fault is red light Chang Liang and the ground wire numbering does not correspond to the amber light fast blink.