CN202383266U - Wireless sensor network monitoring device of transformer substation DC (Direct Current) screen - Google Patents

Wireless sensor network monitoring device of transformer substation DC (Direct Current) screen Download PDF

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Publication number
CN202383266U
CN202383266U CN2011205605375U CN201120560537U CN202383266U CN 202383266 U CN202383266 U CN 202383266U CN 2011205605375 U CN2011205605375 U CN 2011205605375U CN 201120560537 U CN201120560537 U CN 201120560537U CN 202383266 U CN202383266 U CN 202383266U
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CN
China
Prior art keywords
direct current
module
screen
accumulator
current cabinet
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011205605375U
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Chinese (zh)
Inventor
杨鹏
史旺旺
张剑峰
沈楚焱
许庆婷
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Yangzhou University
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Yangzhou University
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Filing date
Publication date
Application filed by Yangzhou University filed Critical Yangzhou University
Priority to CN2011205605375U priority Critical patent/CN202383266U/en
Application granted granted Critical
Publication of CN202383266U publication Critical patent/CN202383266U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a wireless sensor network monitoring device of a transformer substation DC (Direct Current) screen and belongs to the technical field of detection of storage batteries. The input end of a control chip for a storage battery sensor node of each DC screen is respectively connected with a temperature signal sampling module for the storage battery of the DC screen, a current sampling module for the storage battery of the DC screen and a voltage sampling module for the storage battery of the DC screen; the input end of the control chip is connected with a clock module, and the control chip is connected with an antenna; the antenna of the storage battery sensor node of each DC screen is connected with a wireless network coordinator through a route node; and the wireless network coordinator is in signal connection with a monitoring center. The wireless sensor network monitoring device has the advantages that through designing and developing a low-cost wireless sensor network for storage battery packs and monomer storage batteries, a lot of internal real-time information can be provided for the fault diagnosis of the storage batteries, and the problems of high cable cost, difficulty in construction, low sensitivity in storage battery temperature and electric parameter monitoring and difficulty in positioning caused by the existence of a lot of measuring points can be solved.

Description

The radio sensor network monitoring device of DC screen of transformer substation
Technical field
The utility model belongs to accumulator detection technique field, particularly the radio sensor network monitoring technical field of DC screen of transformer substation.
Background technology
Transformer station direct current system is the necessary condition of substation safety, stable operation; The battery pack that direct current cabinet is used adopts hot stand-by duty usually; By charging set it is carried out floating charging, under the full accident conditions of losing of alternating current, bear the load of straight-flow system by battery pack.Battery pack needs also will patrol and examine the routine work state of battery pack outside all filling of routine or the floating charging management, to the maintenance and the performance evaluation of battery pack, mostly rests on the traditional detection method at home.Mainly contain the annual discharge test of passing through, judge accumulator capacity; Export the characteristic test of big electric current; The terminal voltage measurement of single accumulator etc.These methods can't be carried out status monitoring in running order accumulator, can't in time find out of order accumulator, and this problem of initial operating stage is not clearly, and along with the operation of several years, this problem will be more outstanding.In view of the foregoing, transformer station adopts wired mode that the running status of battery pack is monitored in real time more, mainly patrols and examines the terminal voltage of accumulator, running status that can not the complete reaction accumulator.Therefore, battery pack is carried out real-time and effective running status, On-line Fault analysis and diagnosis and seem very important.The fast development of China's battery pack recent years monitoring technology, the equipment of voltage, electric current and the internal resistance etc. of more wired monitoring accumulator puts into operation, is unfavorable for installation and maintenance but cable is more.
Summary of the invention
The utility model purpose is that a kind of precision of design is high, antijamming capability is strong, the radio sensor network monitoring device of the DC screen of transformer substation of super low-power consumption, working stability.
The utility model comprises the accumulator sensor node of Surveillance center, wireless network coordinator, routing node and some direct current cabinets; The accumulator sensor node of each direct current cabinet comprises a control chip; The voltage sample module of accumulator that connects battery current sampling module, the direct current cabinet of temperature signal sampling module, the direct current cabinet of the accumulator of this direct current cabinet at the input end of said control chip respectively; Input end at said control chip also connects clock module, and said control chip also connects antenna; The antenna of the accumulator sensor node of each direct current cabinet is connected with wireless network coordinator through routing node, and wireless network coordinator is connected with the Surveillance center signal.
The utility model is through designing and develop battery pack and cell batteries low-cost wireless sensor network; For the fault diagnosis of direct current cabinet accumulator provides a large amount of inside real-time information, the high low and location difficulty problem of sensitivity of monitoring with constructional difficulties problem, battery temp and electric parameter of cable cost appears in the existence that can solve because of big gauge point.On the basis that obtains information such as battery temp, voltage and current; Through real-time detection, historical storage, statistics and the reasoning to the characteristic of accumulator, accumulator voltage deficiency, battery open circuit, internal resistance obviously become big, off-capacity, the electric current that sparks does not satisfy faults such as load request thereby can solve.And can accurately locate, prevent the further expansion of fault, the reliability and the power supply quality that improve the transformer station direct current system power supply are significant.
The control chip of the accumulator sensor node of the said direct current cabinet of the utility model also connects the DLL module.
The said wireless network coordinator of the utility model comprises with the JN5139 control chip being radio frequency chip module, LPC2210 microcontroller module, ethernet control module and the ethernet interface module of core; Said radio frequency chip module is connected with ethernet control module through LPC2210 microcontroller module, and said ethernet control module is connected with ethernet interface module.
The control chip of the accumulator sensor node of the said direct current cabinet of the utility model is a JN5139 controlled in wireless chip.
The temperature signal sampling module of the direct current cabinet of the accumulator sensor node of the said direct current cabinet of the utility model is made up of SHT11 integrated chip and corresponding modulate circuit.
The current sample module of the direct current cabinet of the accumulator sensor node of the said direct current cabinet of the utility model is made up of with corresponding modulate circuit Hall DC current sensor TBC10SY.
The voltage sample module of the direct current cabinet of the accumulator sensor node of the said direct current cabinet of the utility model is the divider resistance sampling module.
Description of drawings
Fig. 1 is the data stream block diagram of the utility model.
Fig. 2 is the wireless network coordinator structural principle block diagram of the utility model.
Fig. 3 is the direct current cabinet battery sensor node block diagram of the utility model.
Embodiment
As shown in Figure 1, the utility model comprises the accumulator sensor node d of an a of Surveillance center, wireless network coordinator b, some routing node c and some direct current cabinets.
As shown in Figure 3; The accumulator sensor node d of each direct current cabinet is provided with a control chip 8; The voltage sample module 7 of accumulator that connects battery current sampling module 6, the direct current cabinet of temperature signal sampling module 5, the direct current cabinet of the accumulator of this direct current cabinet at the input end of control chip 8 respectively; Input end at control chip 8 also connects clock module 9, and control chip also connects antenna 10 and DLL module 11.
The antenna of the accumulator sensor node d of each direct current cabinet is connected with wireless network coordinator b signal through routing node c, and wireless network coordinator b is connected with Surveillance center a signal.
As shown in Figure 2; Wireless network coordinator b comprises with the JN5139 control chip being radio frequency chip module 1, LPC2210 microcontroller module 2, ethernet control module 3 and the ethernet interface module 4 of core; Radio frequency chip module 1 is connected with ethernet control module 3 through LPC2210 microcontroller module 2, and ethernet control module 3 is connected with ethernet interface module 4.
The control chip 8 of the accumulator sensor node of the utility model direct current cabinet is a JN5139 controlled in wireless chip; The battery temp signal sampling module 5 of direct current cabinet is made up of SHT11 integrated chip and corresponding modulate circuit; The battery current sampling module 6 of direct current cabinet is made up of with corresponding modulate circuit Hall DC current sensor TBC10SY, and the battery tension sampling module 7 of direct current cabinet is the divider resistance sampling module.
The utility model has adopted based on the high-performance of Britain Jennic company, low-consumption wireless SOC module (JN5139) accumulator sensor node; Developed coordinator node simultaneously, constituted wireless sensor network apparatus based on the LPC2210 microcontroller.The battery pack sensor node; Through obtaining parameters such as battery temp, electric current and voltage; For the internal operation state and the fault diagnosis of accumulator provides a large amount of internal informations, the temperature that solves accumulator is low and location difficulty problem with the sensitivity of electric parameter monitoring.The co-ordination of the node of the information gathering of coordinator node completion sensor node, the interface of realization internet.Through real-time detection, historical storage, statistics and the reasoning to the accumulator operation characteristic, thereby can accurately diagnose and locate, prevent the further expansion of fault, the reliability and the power supply quality that improve the straight-flow system power supply are significant.

Claims (7)

1. the radio sensor network monitoring device of DC screen of transformer substation is characterized in that comprising the accumulator sensor node of Surveillance center, wireless network coordinator, routing node and some direct current cabinets; The accumulator sensor node of each direct current cabinet comprises a control chip; The voltage sample module of accumulator that connects battery current sampling module, the direct current cabinet of temperature signal sampling module, the direct current cabinet of the accumulator of this direct current cabinet at the input end of said control chip respectively; Input end at said control chip also connects clock module, and said control chip also connects antenna; The antenna of the accumulator sensor node of each direct current cabinet is connected with wireless network coordinator through routing node, and wireless network coordinator is connected with the Surveillance center signal.
2. according to the radio sensor network monitoring device of the said DC screen of transformer substation of claim 1, it is characterized in that the control chip of the accumulator sensor node of said direct current cabinet also connects the DLL module.
3. according to the radio sensor network monitoring device of the said DC screen of transformer substation of claim 1; It is characterized in that it is radio frequency chip module, LPC2210 microcontroller module, ethernet control module and the ethernet interface module of core that said wireless network coordinator comprises with the JN5139 control chip; Said radio frequency chip module is connected with ethernet control module through LPC2210 microcontroller module, and said ethernet control module is connected with ethernet interface module.
4. according to the radio sensor network monitoring device of the said DC screen of transformer substation of claim 1, the control chip that it is characterized in that the accumulator sensor node of said direct current cabinet is a JN5139 controlled in wireless chip.
5. according to the radio sensor network monitoring device of the said DC screen of transformer substation of claim 1, it is characterized in that the temperature signal sampling module of direct current cabinet of the accumulator sensor node of said direct current cabinet is made up of SHT11 integrated chip and corresponding modulate circuit.
6. according to the radio sensor network monitoring device of the said DC screen of transformer substation of claim 1, it is characterized in that the current sample module of direct current cabinet of the accumulator sensor node of said direct current cabinet is made up of with corresponding modulate circuit Hall DC current sensor TBC10SY.
7. according to the radio sensor network monitoring device of the said DC screen of transformer substation of claim 1, it is characterized in that the voltage sample module of direct current cabinet of the accumulator sensor node of said direct current cabinet is the divider resistance sampling module.
CN2011205605375U 2011-12-29 2011-12-29 Wireless sensor network monitoring device of transformer substation DC (Direct Current) screen Expired - Fee Related CN202383266U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205605375U CN202383266U (en) 2011-12-29 2011-12-29 Wireless sensor network monitoring device of transformer substation DC (Direct Current) screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205605375U CN202383266U (en) 2011-12-29 2011-12-29 Wireless sensor network monitoring device of transformer substation DC (Direct Current) screen

Publications (1)

Publication Number Publication Date
CN202383266U true CN202383266U (en) 2012-08-15

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Application Number Title Priority Date Filing Date
CN2011205605375U Expired - Fee Related CN202383266U (en) 2011-12-29 2011-12-29 Wireless sensor network monitoring device of transformer substation DC (Direct Current) screen

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104376707A (en) * 2014-10-14 2015-02-25 苏州克兰兹电子科技有限公司 Hardware circuit of wireless sensor network nodes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104376707A (en) * 2014-10-14 2015-02-25 苏州克兰兹电子科技有限公司 Hardware circuit of wireless sensor network nodes

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120815

Termination date: 20141229