CN206650498U - Low-voltage distribution transformer intellectual monitoring control device - Google Patents
Low-voltage distribution transformer intellectual monitoring control device Download PDFInfo
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- CN206650498U CN206650498U CN201720280355.XU CN201720280355U CN206650498U CN 206650498 U CN206650498 U CN 206650498U CN 201720280355 U CN201720280355 U CN 201720280355U CN 206650498 U CN206650498 U CN 206650498U
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Abstract
A kind of low-voltage distribution transformer intellectual monitoring control device, it is by the residual current of taiwan area transformer, the result that three electrical parameters of neutral current and transformer temperature obtain after signal collection modulation and 16 single-chip microcomputer calculation process transports to No. 4 control relay circuit modules, the standard type distribution transformer monitoring and metering terminal being had been provided with followed by each taiwan area is uploaded to power supply monitoring system, point of 16 single-chip microcomputer monitoring one master switch of transformer and three switch-dividings, "on" position, and its information is uploaded to distribution transformer monitoring and metering device, the arrange parameter that low-voltage intelligent monitoring terminal and switch are remotely adjusted by self-organizing network system reaches the purpose of controlling switch divide-shut brake.This low-voltage distribution transformer intellectual monitoring control device can be realized to be monitored in real time to each transformer platform area with electricity condition, and finally can be to solve the problems, such as that low-voltage circuit leakage current provides reliable basis.
Description
Technical field
Distribution transformer monitoring control information technical field is the utility model is related to, is matched somebody with somebody more particularly, to a kind of low pressure of low voltage electric network
Become intellectual monitoring control device.
Background technology
At present, in addition to terminal leakage switch is applied widely, the overwhelming majority is arranged on the electric leakage of nonterminal side
Switch does not obtain the accreditation of user.Trace it to its cause be unknown cause Frequent trip after can not notify in time scheduling and relevant people
Malfunction etc. caused by the self performance quality defect of member or leakage switch cause the security reliability at customer power supply end with
The continuity of operation is not good enough.The creepage protection function of the leakage switch installed in nonterminal is caused often voluntarily to be cut off by user,
Perform practically no function.
Such case proposes a stern challenge to power supply department, if because power supply department is to real in supply line
, will be to people, animal and power supply unit if earth leakage current existing for border can not be subject to supervision（Such as transformer）Bring
Great potential safety hazard.
The content of the invention
The purpose of this utility model is to provide a kind of low-voltage distribution transformer intellectual monitoring control device, and the device not only can will be each
The scene electric leakage of taiwan area transformer, the monitoring result of three electrical parameters of neutral current and transformer temperature are uploaded to power supply monitoring
System, moreover it is possible to remotely adjusted by self-organizing network system set by the transformer master switch and component switch of low-voltage intelligent monitoring terminal
The parameter put is entered so as to realize with reaching the purpose for controlling above-mentioned each switch point, closing a floodgate to each transformer platform area with electricity condition
Row monitoring in real time, and finally can be to solve the problems, such as that low-voltage circuit leakage current provides reliable basis.
A kind of low-voltage distribution transformer intellectual monitoring control device, the device is by residual current signal acquisition module, neutral current
Signal acquisition module, temperature signal collection circuit module, the 1st positive half-wave signal conditioning circuit module, the 1st negative half-wave voltage signal conditioning
Circuit module, the 2nd positive half-wave signal conditioning circuit module, the 2nd negative half-wave voltage signal conditioning circuit module, analog signal conditioner circuit
Module, the 1st self-test base modules, the 2nd self-test base modules, the 3rd self-test base modules, 16 single-chip microcomputers, simulation electric leakage signal
Generator, Liquid Crystal Module, No. 4 control relay circuit modules, 4 road 220V input signal sample circuit modules and key-press module,
First bus, MCU, wireless communication module, relay amplifier and the second bus composition, the residual current I Δs port of transformer with
Residual current signal acquisition module input connects, and residual current signal acquisition module output end is believed by the 1st positive half-wave respectively
Number conditioning circuit module and the 1st negative half-wave voltage signal conditioning circuit module are connected with 16 single-chip microcomputer inputs, the transformer neutral conductor
Electric current Io ports are connected with neutral current signal acquisition module input, neutral current signal acquisition module output end difference
Connected by the 2nd positive half-wave signal conditioning circuit module and the 2nd negative half-wave voltage signal conditioning circuit module and 16 single-chip microcomputer inputs
Connect, transformer temperature T-port is connected with temperature signal collection circuit module input, temperature signal collection circuit module output end
It is connected by analog signal conditioner circuit module with 16 single-chip microcomputer inputs, simulation leakage caused by simulation electric leakage signal generator
Electric signal is transported to residual current signal acquisition module by the 1st self-test base modules respectively after 16 single-chip microcomputers are handled and inputted
Hold, neutral current signal acquisition module input is transported to by the 2nd self-test base modules, be defeated by the 3rd self-test base modules
To temperature signal collection circuit module input, 16 single-chip microcomputer outputs connect with No. 4 control relay circuit module inputs
Connect, four tunnel output ends of No. 4 control relay circuit modules distribution transformer monitoring and metering terminal with the transformer platform area of peripheral hardware respectively
Four road inputs of module are corresponding to be connected, four road inputs of 4 road 220V input signal sample circuit modules respectively with peripheral hardware
The master switch of transformer, the 1st switch-dividing, the 2nd switch-dividing, the corresponding connection of the load end of the 3rd switch-dividing, 4 road 220V input signals
Sample circuit module output end is connected with 16 single-chip microcomputer inputs, and key-press module output end connects with 16 single-chip microcomputer inputs
Connect, 16 single-chip microcomputer outputs are connected with Liquid Crystal Module input, and 16 single-chip microcomputer outputs pass through the first bus and MANET
The MCU of system is connected, and MCU is connected with master switch, the 1st switch-dividing, the 2nd switch-dividing, the 3rd switch-dividing respectively by the second bus
Connect, MCU is connected by wireless communication module with relay amplifier.
Compared with prior art, the utility model has the advantages that：
This low-voltage distribution transformer intellectual monitoring control device is mounted in each transformer platform area of power supply department administration, is passed through
These low-voltage distribution transformer intellectual monitoring control devices not only can be by scene electric leakage, neutral current and the transformer of each taiwan area transformer
The monitoring result of three electrical parameters of temperature by means of the existing standard type in each transformer platform area distribution transformer monitoring and metering terminal module
Be uploaded to power supply monitoring system, moreover it is possible to remotely adjusted by self-organizing network system low-voltage intelligent monitoring terminal transformer master switch,
The parameter that 1st switch-dividing, the 2nd switch-dividing and the 3rd switch are set controls above-mentioned respectively switch point, the purpose closed a floodgate to reach, so as to
Realization is monitored in real time to each transformer platform area with electricity condition, and can be finally to solve the problems, such as that low-voltage circuit leakage current carries
For reliable basis.
Brief description of the drawings
Fig. 1 is a kind of low-voltage distribution transformer intellectual monitoring control device electricity theory structure block diagram of the utility model.
Embodiment
The utility model is further elaborated by example below.
Shown in Figure 1, a kind of low-voltage distribution transformer intellectual monitoring control device is by residual current signal acquisition module 2, neutrality
Line current signal acquisition module 4, temperature signal collection circuit module 5, the 1st positive half-wave signal conditioning circuit module the 6, the 1st negative half
Ripple signal conditioning circuit module 7, the 2nd positive half-wave signal conditioning circuit module 8, the 2nd negative half-wave voltage signal conditioning circuit module 9, mould
Intend signal conditioning circuit module 11, the 1st self-test base modules 1, the 2nd self-test base modules 3, the 3rd self-test base modules 10,16
Single-chip microcomputer 12, simulation electric leakage signal generator 13, Liquid Crystal Module 14, No. 4 control relay circuit modules 15,4 road 220V inputs
Signal sample circuit module 16, key-press module 17, the first bus 24, MCU25, wireless communication module 26, the and of relay amplifier 27
Second bus 28 is formed, and the residual current I Δs port of transformer is connected with the input of residual current signal acquisition module 2, remaining
The output end of current signal collection module 2 is nursed one's health by the 6 and the 1st negative half-wave voltage signal of the 1st positive half-wave signal conditioning circuit module respectively
Circuit module 7 is connected with 16 inputs of single-chip microcomputer 12, transformer neutral current Io ports and neutral current signal acquisition
The input of module 4 connects, and the output end of neutral current signal acquisition module 4 passes through the 2nd positive half-wave signal modulate circuit mould respectively
8 and the 2nd negative half-wave voltage signal conditioning circuit module 9 of block is connected with 16 inputs of single-chip microcomputer 12, transformer temperature T-port and temperature
The input of signal acquisition circuit module 5 connects, and the output end of temperature signal collection circuit module 5 passes through analog signal conditioner circuit mould
Block 11 is connected with 16 inputs of single-chip microcomputer 12, and simulation electric leakage signal is through 16 monolithics caused by simulation electric leakage signal generator 13
The input of residual current signal acquisition module 2 is transported to after the processing of machine 12, by the 2nd self-test by the 1st self-test base modules 1 respectively
Base modules 3 transport to the input of neutral current signal acquisition module 4, transport to temperature signal by the 3rd self-test base modules 10
The input of acquisition circuit module 5,16 output ends of single-chip microcomputer 12 are connected with the input of No. 4 control relay circuit module 15,4 tunnels
Four tunnel output ends of the control relay circuit module 15 distribution transformer monitoring and metering terminal module with the transformer platform area of peripheral hardware respectively
23 four road inputs are corresponding to be connected, four road inputs of 4 road 220V input signal sample circuits modules 16 respectively with peripheral hardware
The master switch 19 of transformer 18, the 1st switch-dividing 20, the 2nd switch-dividing 21, the corresponding connection of the load end of the 3rd switch-dividing 22,4 tunnels
The output end of 220V input signal sample circuits module 16 is connected with 16 inputs of single-chip microcomputer 12, the output end of key-press module 17 and 16
The position input of single-chip microcomputer 12 connection, 16 output ends of single-chip microcomputer 12 are connected with the input of Liquid Crystal Module 14, and 16 single-chip microcomputers 12 are defeated
Go out end by the first bus 24 with the MCU25 of self-organizing network system to be connected, MCU25 by the second bus 28 respectively and master switch
19th, the 1st switch-dividing 20, the 2nd switch-dividing 21, the 3rd switch-dividing 22 are connected, and MCU25 is put by wireless communication module 26 and relaying
Big device 27 is connected.
The signal that the residual current I Δs of transformer 18 are collected by sensor, via the 1st positive half-wave signal modulate circuit
Module 6, the 1st negative half-wave voltage signal conditioning circuit module 7 will be inputted to 16 single-chip microcomputers 12 after its positive and negative half-wave voltage signal adjustment amplification
Carry out calculation process.
The neutral current Io of transformer 18 is by the signal that sensor collects via the 2nd positive half-wave signal modulate circuit
Module 8, the 2nd negative half-wave voltage signal conditioning circuit module 9 will be inputted to 16 single-chip microcomputers 12 after its positive and negative half-wave voltage signal adjustment amplification
Carry out calculation process.
The temperature T of transformer 18 is by the signal that sensor collects via analog signal conditioner circuit module 11 by its mould
Input to 16 single-chip microcomputers 12 carry out calculation process after intending signal adjustment amplification.
In order to ensure this three roads transducing signal of residual current I Δs, neutral current Io and the transformer temperature T of transformer 18
Monitoring reliability, the present apparatus is provided with self-test base modules, can monitor above-mentioned three tunnel signal acquisition in real time in plant running
Whether module is in normal operating condition.Specific work process is as follows：The sinusoidal letter as caused by simulation electric leakage signal generator 13
Number be periodically converted to three tunnel self-test reference signals via 16 single-chip microcomputers 12, and again via the 1st, the 2nd, the 3rd self-test base
Quasi-mode block 1,3,10 is respectively sent to residual current signal acquisition module 2, neutral current signal acquisition module 4 and temperature signal
Acquisition circuit module 5, if 16 single-chip microcomputers 12 can obtain the three tunnels self-test reference signal respectively, illustrate above-mentioned three road signal
Acquisition module is to be in normal running status.Otherwise 16 single-chip microcomputers 12 will send sound and light alarm signal, remind user timely
Processing.
16 single-chip microcomputers 12 monitor the switch-dividing 20 of a master switch 19 and the 1st of the taiwan area of transformer 18, the 2nd switch-dividing 21,
3rd switch-dividing 22 point, "on" position, so as to which the information of the four-way switch is uploaded into distribution transformer monitoring and metering terminal module 23.
16 single-chip microcomputers 12 are by residual current I Δs, neutral current Io and transformer temperature T measurement result and total all the way
19, three road switch-dividings of switch point, "on" position information transmission to Liquid Crystal Module 14 shows.
Key-press module 17 is used for the operation control and the input of man-machine interface for monitoring the present apparatus.
No. 4 control relay circuit modules 15 in the present apparatus and the distribution transformer monitoring and metering terminal module in transformer platform area
The input port of 23 4 tunnel remote signals is connected, if 4 relays of No. 4 control relay circuit modules 15 all close,
" 0000 " is then encoded to, represents reset signal, by that analogy, sees low voltage electric network intelligent monitoring terminal No. 4 control relay circuit
The definition table of output signal coding.
The master switch 19 of 4 road 220V input signal sample circuits modules 16 in the present apparatus and taiwan area transformer 18, the 1st point
The 20, the 2nd switch-dividing 21 of switch, the load end of the 3rd switch-dividing 22 obtain the 4 road 220V input signals that 220V signals are transported in terminal
Sample circuit module 16, and judged the quantity of state of 4 way switch by 16 single-chip microcomputers 12 and then controlled 4 road Control electricity
The adhesive of the relay on road.
Residual current I Δs, neutral current Io and the tunnel analog quantitys of transformer temperature T tri- of transformer 18 pass through respective letter
16 single-chip microcomputers 12 are transported to after number modulate circuit and carries out judging processing through 16 single-chip microcomputers 12 and then controls 4 road Controls
The relay adhesive of circuit module 15 characterizes the state of three analog quantitys, refers to the tunnel relay of low voltage electric network intelligent monitoring terminal 4
The definition table of device control circuit output Signal coding.
The second bus in this self-organizing network system（28）Pass through master switch（19）, the 1st switch-dividing（20）, the 2nd switch-dividing
（21）, the 3rd switch-dividing（22）485 ports data are transferred to MCU (25), wireless communication module is passed through by MCU (25)（26）
The judgement for carrying out communication mode handles and carries out classification transmission.
MCU (25) in this self-organizing network system passes through the first bus（24）The parameter of low-voltage intelligent monitoring terminal is transmitted across
Come, passing through wireless communication module（26）The judgement for carrying out communication mode handles and carries out classification transmission.
Wireless communication module (26) in this self-organizing network system uses dual mode communication mode, when long-range communication network can be with
When covering this taiwan area, telecommunication mode and power supply administration backstage can be used to contact or enter line number by the mobile phone of responsible person concerned
Contacted according to communication mode；It is when long-range communication network can not cover this taiwan area, then repeated using wireless communication module (26)
Amplifier（27）Signal amplification is contacted or passed through nothing by the wireless radio frequency channel of intelligent wireless limit for tonnage breaker and power supply administration
Line hand-hold programmer carries out data communication mode contact.
Self-organizing network system ensures the low-voltage intelligent monitoring terminal to these taiwan areas, become by building " bimodulus " communication network
Depressor and the switch of taiwan area accomplish immediately monitoring, and can carry out parameter modification, are advantageous to the safely and steadly operation of power network,
So as to which the distribution for meeting a power production management demand for services Special intelligent unit-area management system can be built, i.e., intelligence supplies
Electric system, and then realize Power System Intelligent.
Low voltage electric network intelligent monitoring terminal No. 4 control relay circuit output signal coding defines table
。
Claims (1)
- A kind of 1. low-voltage distribution transformer intellectual monitoring control device, it is characterised in that：The low-voltage distribution transformer intellectual monitoring control device is by remaining Aftercurrent signal acquisition module（2）, neutral current signal acquisition module（4）, temperature signal collection circuit module（5）, the 1st just Half-wave voltage signal conditioning circuit module（6）, the 1st negative half-wave voltage signal conditioning circuit module（7）, the 2nd positive half-wave signal modulate circuit mould Block（8）, the 2nd negative half-wave voltage signal conditioning circuit module（9）, analog signal conditioner circuit module（11）, the 1st self-test base modules （1）, the 2nd self-test base modules（3）, the 3rd self-test base modules（10）, 16 single-chip microcomputers（12）, simulation electric leakage signal generator （13）, Liquid Crystal Module（14）, No. 4 control relay circuit modules（15）, 4 road 220V input signal sample circuit modules（16）、 Key-press module（17）, the first bus (24), MCU (25), wireless communication module (26), relay amplifier（27）It is total with second Line（28）Composition, residual current I Δs port and the residual current signal acquisition module of transformer（2）Input connects, remaining electricity Flow signal acquisition module（2）Output end passes through the 1st positive half-wave signal conditioning circuit module respectively（6）Adjusted with the 1st negative half-wave voltage signal Manage circuit module（7）With 16 single-chip microcomputers（12）Input is connected, and transformer neutral current Io ports are believed with neutral current Number acquisition module（4）Input connects, neutral current signal acquisition module（4）Output end passes through the 2nd positive half-wave signal respectively Conditioning circuit module（8）With the 2nd negative half-wave voltage signal conditioning circuit module（9）With 16 single-chip microcomputers（12）Input connects, transformation Device temperature T-port and temperature signal collection circuit module（5）Input connects, temperature signal collection circuit module（5）Output end Pass through analog signal conditioner circuit module（11）With 16 single-chip microcomputers（12）Input connects, and simulates electric leakage signal generator（13） Caused simulation electric leakage signal is through 16 single-chip microcomputers（12）Pass through the 1st self-test base modules after processing respectively（1）Transport to remaining electricity Flow signal acquisition module（2）Input, pass through the 2nd self-test base modules（3）Transport to neutral current signal acquisition module（4）It is defeated Enter end, pass through the 3rd self-test base modules（10）Transport to temperature signal collection circuit module（5）Input, 16 single-chip microcomputers（12） Output end and No. 4 control relay circuit modules（15）Input connects, No. 4 control relay circuit modules（15）Four roads it is defeated Go out the end distribution transformer monitoring and metering terminal module with the transformer platform area of peripheral hardware respectively（23）Four road inputs it is corresponding connect, 4 tunnels 220V input signal sample circuit modules（16）The four road inputs transformer with peripheral hardware respectively（18）Master switch（19）, 1 switch-dividing（20）, the 2nd switch-dividing（21）, the 3rd switch-dividing（22）Load end it is corresponding connect, 4 road 220V input signals sampling electricity Road module（16）Output end and 16 single-chip microcomputers（12）Input connects, key-press module（17）Output end and 16 single-chip microcomputers（12） Input connects, 16 single-chip microcomputers（12）Output end and Liquid Crystal Module（14）Input connects, 16 single-chip microcomputers（12）Output end Pass through the first bus（24）With the MCU of self-organizing network system（25）It is connected, MCU（25）Pass through the second bus（28）Open respectively and always Close（19）, the 1st switch-dividing（20）, the 2nd switch-dividing（21）, the 3rd switch-dividing（22）It is connected, MCU（25）Pass through wireless telecommunications mould Block（26）And relay amplifier（27）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280355.XU CN206650498U (en) | 2017-03-22 | 2017-03-22 | Low-voltage distribution transformer intellectual monitoring control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720280355.XU CN206650498U (en) | 2017-03-22 | 2017-03-22 | Low-voltage distribution transformer intellectual monitoring control device |
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| Publication Number | Publication Date |
|---|---|
| CN206650498U true CN206650498U (en) | 2017-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720280355.XU Withdrawn - After Issue CN206650498U (en) | 2017-03-22 | 2017-03-22 | Low-voltage distribution transformer intellectual monitoring control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206650498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972625A (en) * | 2017-03-22 | 2017-07-21 | 广东佛电电器有限公司 | Low-voltage distribution transformer intellectual monitoring control device |
| CN111682641A (en) * | 2020-06-02 | 2020-09-18 | 航天中电科技（北京）有限公司 | Charge control intelligent switch, charge control method and distribution room topology identification method |
-
2017
- 2017-03-22 CN CN201720280355.XU patent/CN206650498U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972625A (en) * | 2017-03-22 | 2017-07-21 | 广东佛电电器有限公司 | Low-voltage distribution transformer intellectual monitoring control device |
| CN111682641A (en) * | 2020-06-02 | 2020-09-18 | 航天中电科技（北京）有限公司 | Charge control intelligent switch, charge control method and distribution room topology identification method |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20230505 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171117 Effective date of abandoning: 20230505 |