CN206099504U - Device is side by side divided to low voltage network intelligence - Google Patents
Device is side by side divided to low voltage network intelligence Download PDFInfo
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- CN206099504U CN206099504U CN201620981542.6U CN201620981542U CN206099504U CN 206099504 U CN206099504 U CN 206099504U CN 201620981542 U CN201620981542 U CN 201620981542U CN 206099504 U CN206099504 U CN 206099504U
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Abstract
The utility model discloses a device is side by side divided to low voltage network intelligence, including the intelligent control module of electric control switch QF2 and control electric control switch QF2 switching, electric control switch QF2's both ends connect respectively low pressure distribution bus A terminal with low pressure distribution bus B end, the intelligent control module includes the CPU circuit, voltage acquisition circuit, drive output circuit, electric control switch state detection circuitry, power supply circuit, radio communication circuit, the CPU circuit is according to the low pressure distribution bus A who reads, low pressure distribution bus B's voltage signal, electric control switch QF2's open -closed state and the switch QF1's of low pressure distribution bus A inlet wire department that receives through radio communication circuit state, the switch QF3's of low pressure distribution bus B inlet wire department state, switching through drive output circuit control electric control switch QF2. The utility model discloses the device wiring is simple, and is few through the signal of inputs such as auxiliary contact and relay, the installation and maintenance of being convenient for, and through automatic, the manual and remote control of software implementation, safe and reliable.
Description
Technical field
The utility model belongs to low pressure for distribution technique field, and in particular to a kind of low-voltage network intelligently divides and equips
Put.
Background technology
With people's living standard, the raising of environmental protection demand, resident living power utility amount persistently increases substantially, therefore often
Individual residential block often configures two even multiple stage low-voltage distribution transformers, and to power supply reliability is improved a chance is provided：If one
Distribution transforming failure or maintenance, the distribution transforming the load with circuit can be transferred to other distribution transformings, transfer load is generally using contact
Cabinet coordinates the network interconnecting circuit and incoming line cabinet that are incoming line cabinet, mainly pass through in contact cabinet being controlled with contact cabinet to realize
In lead-in circuit breaker between electric interlock realize that load is shifted, but current interlocked control is mostly by various relays
The secondary device such as device, auxiliary contact is completing, and wiring is more, installs inconvenient, and maintenance is wasted time and energy, easily error.Secondary device
It is many, easily it is out of order, cause electrical hazard.
The content of the invention
The utility model technical issues that need to address are to provide a kind of simple structure, convenient to install and maintain, safe and reliable
The intelligent point parallel device of low-voltage network.
To solve above-mentioned technical problem, the technical scheme that the utility model is adopted is：
A kind of intelligent point parallel device of low-voltage network, including electric-controlled switch QF2 and the QF2 opening and closings of control electric-controlled switch
Intelligent control module, the two ends of electric-controlled switch QF2 connect respectively low-voltage distribution bus A ends and low-voltage distribution bus B ends, institute
Intelligent control module is stated including cpu circuit, voltage collection circuit, driving output circuit, electric-controlled switch state detection circuit, power supply
Circuit, radio communication circuit, the output end of voltage collection circuit and the output end connection CPU of electric-controlled switch state detection circuit
The input of circuit, the output end connection of cpu circuit drives output circuit input, and cpu circuit is two-way with radio communication circuit
Connection, power circuit connect respectively cpu circuit, voltage collection circuit, drive output circuit, electric-controlled switch state detection circuit,
Radio communication circuit is simultaneously powered for it；Voltage letter of the cpu circuit according to the low-voltage distribution bus A, low-voltage distribution bus B for reading
Number, the open and-shut mode of electric-controlled switch QF2 and pass through radio communication circuit receive low-voltage distribution bus A points of incoming cables switch QF1
State, low-voltage distribution bus B points of incoming cables switch the state of QF3, opened by driving output circuit to control electric-controlled switch QF2
Close.
Further, the intelligent control module also includes input through keyboard circuit and display circuit, input through keyboard circuit
The input of output connection cpu circuit, the input of the output connection display circuit of cpu circuit.
Preferably, the power circuit includes the two-way rectification circuit being connected in parallel, DC-DC circuit, battery charger
And power supply switch circuit, the wherein input of two-way rectification circuit respectively from low-voltage distribution bus A and low-voltage distribution bus B,
The output of two-way rectification circuit by DC-DC circuit step-down after Jing battery chargers power, while with battery together Jing power supplys
Switching circuit is powered to whole intelligent control module.
It is further preferred that the power supply switch circuit includes that power supply switches chip U1 and by mos pipe Q2, Q3, resistance R5
The peripheral circuit of composition, power supply switching chip U1 adopts LTC4412.
Preferably, the wireless communication line is wireless radiofrequency transmission circuit.
As a result of above-mentioned technical proposal, the technological progress that the utility model is obtained is：
The wiring of the utility model device is simple, and the signal by inputs such as auxiliary contact and relays is few, is easily installed
And maintenance, automatic, manual and remotely control is realized by software, it is safe and reliable.
Description of the drawings
Fig. 1 is schematic diagram of device of the present utility model；
Fig. 2 is the utility model power circuit principle figure.
Specific embodiment
The utility model is described in further details with reference to embodiment：
As shown in figure 1, the utility model includes the Based Intelligent Control of electric-controlled switch QF2 and the QF2 opening and closings of control electric-controlled switch
Module, the two ends of electric-controlled switch QF2 connect respectively low-voltage distribution bus A ends and low-voltage distribution bus B ends, the intelligence control
Molding block includes cpu circuit, voltage collection circuit, drives output circuit, electric-controlled switch state detection circuit, power circuit, nothing
Line telecommunication circuit, input through keyboard circuit and display circuit, the output end of voltage collection circuit and electric-controlled switch state-detection electricity
The output end on road connects the input of cpu circuit, and the output end connection of cpu circuit drives output circuit input, cpu circuit with
Radio communication circuit is bi-directionally connected, and the input of the output connection cpu circuit of input through keyboard circuit, the output connection of cpu circuit is aobvious
Show the input of circuit, power circuit connects respectively cpu circuit, voltage collection circuit, drives output circuit, the inspection of electric-controlled switch state
Slowdown monitoring circuit, radio communication circuit, input through keyboard circuit and display circuit are simultaneously powered for it；Cpu circuit is matched somebody with somebody according to the low pressure for reading
Goddess of lightning line A, the voltage signal of low-voltage distribution bus B, the open and-shut mode of electric-controlled switch QF2 and by radio communication circuit receive
The low-voltage distribution bus A points of incoming cables switch state of QF1, low-voltage distribution bus B points of incoming cables switch the state of QF3, by driving
Output circuit controls the opening and closing of electric-controlled switch QF2.
As shown in Fig. 2 the utility model device needs have electricity always, to send on off state, therefore power circuit at any time
It is with battery powered circuit, and for the ease of using conventional electron power supply, the power circuit includes what is be connected in parallel
Two-way rectification circuit, DC-DC circuit, battery charger and power supply switch circuit, the wherein input of two-way rectification circuit point
Not from low-voltage distribution bus A and low-voltage distribution bus B, Jing is electric after the output of two-way rectification circuit is depressured by DC-DC circuit
Pond charging circuit is powered, while powering to whole intelligent control module with battery together Jing power supply switch circuits.Two-way rectified current
Road is rectified rear directly in parallel by the way of parallel connection, can save the DC-DC circuit of half, and DC-DC circuit is used for will be high electric
Pressure drop is suitable voltage, and battery charger is used to prevent over-charging of battery, causes battery premature breakdown, power supply switch circuit bag
Include power supply switching chip U1 and by mos pipe Q2, Q3, the peripheral circuit of resistance R5 compositions, power supply switching chip U1 is adopted
LTC4412.When there are normal power supplies, 6 pin of U1 are drawn high, when 6 pin voltages are higher than 1 pin voltage 20mv, 5 pin output high level makes
Mos pipes Q2 ends, meanwhile, 4 pin voltages are dragged down, mos pipes Q3 is turned on, it is switched to normal power supplies.
For simplified radio road, programming amount is reduced, the wireless communication line is wireless radiofrequency transmission circuit.
Operation principle：
Automatic mode
If QF2 is off, QF1 directions（Low-voltage distribution bus A）Circuit is powered, QF3 directions（Low-voltage distribution
Bus B）Circuit dead electricity, then the top i.e. state of QF3 of switch in dead electricity direction is judged immediately, if QF3 upper ends bus is dead electricity
State and QF3 disconnections, then Automatic-closing QF2, makes QF3 directions（Low-voltage distribution bus B）Circuit restore electricity；If QF3 upper ends
Bus is for power failure state and QF3 is to close state, then send request immediately by radio communication, and application QF3 disconnects, and QF3 is completed
Cut-off rear Automatic-closing QF2.
If QF2 is off, QF3 directions（Low-voltage distribution bus B）Circuit is powered, QF1 directions（Low-voltage distribution
Bus A）Circuit dead electricity, action logic is ibid.
If QF2 is in and closes state, QF1 directions（Low-voltage distribution bus A）, QF3 directions（Low-voltage distribution bus B）Line
Road is powered, and QF1 to close, QF3 to cut-off, if QF3 upper ends bus recovers powered, QF2 cut-offs immediately, and by wireless
Communication immediately sends oneself state, and QF3 is when state is cut-off, once monitor that circuit dead electricity, bus are powered and QF2 is
When cut-offfing state, QF3 is closed immediately makes circuit restore electricity.
If QF2 is in and closes state, QF1 directions（Low-voltage distribution bus A）, QF3 directions（Low-voltage distribution bus B）Line
Road is powered, and QF3 to close, QF1 to cut-off, if QF1 upper ends bus recovers powered, QF2 cut-offs immediately, and by wireless
Communication immediately sends oneself state, and QF1 is when state is cut-off, once monitor that circuit dead electricity, bus are powered and QF2 is
When cut-offfing state, QF1 is closed immediately makes circuit restore electricity.
QF1, QF2, QF3 keep current state when other states are monitored,.
QF1, QF2, QF3 mutually send oneself state when other states are monitored according to the time interval of setting, are spaced
Time is arranged typically between 1 second to 5 minutes.
On-site manual pattern
When low-voltage network intelligence point parallel device is on-site manual pattern, only on off state, both sides voltage data are entered
Row real-time monitoring, and oneself state is mutually sent according to the time interval of setting, but do not carry out any being automatically brought into operation.What is switched opens
Close and operated by the handle for switching by operator.
Manual remote control pattern
When low-voltage network intelligence point parallel device is artificial remote control mode, only on off state, both sides voltage data are entered
Row real-time monitoring, and oneself state is mutually sent according to the time interval of setting, but do not carry out any being automatically brought into operation；Only carry out and connect
The telecommand for receiving artificial transmission is closed and cut-off.
Claims (5)
1. a kind of low-voltage network intelligently divides parallel device, it is characterised in that：Including electric-controlled switch QF2 and control electric-controlled switch
The intelligent control module of QF2 opening and closings, the two ends of electric-controlled switch QF2 connect respectively low-voltage distribution bus A ends and low-voltage distribution mother
Line B ends, the intelligent control module includes cpu circuit, voltage collection circuit, drives output circuit, the inspection of electric-controlled switch state
Slowdown monitoring circuit, power circuit, radio communication circuit, the output end of voltage collection circuit and electric-controlled switch state detection circuit it is defeated
Go out the input of end connection cpu circuit, the output end connection of cpu circuit drives output circuit input, cpu circuit and channel radio
Letter circuit is bi-directionally connected, and power circuit connects respectively cpu circuit, voltage collection circuit, drives output circuit, electric-controlled switch state
Detection circuit, radio communication circuit are simultaneously powered for it；Cpu circuit is according to low-voltage distribution bus A, the low-voltage distribution bus B for reading
Voltage signal, the open and-shut mode of electric-controlled switch QF2 and by radio communication circuit receive low-voltage distribution bus A points of incoming cables
The state of switch QF1, low-voltage distribution bus B points of incoming cables switch the state of QF3, and by driving output circuit electric-controlled switch is controlled
The opening and closing of QF2.
2. low-voltage network according to claim 1 intelligently divides parallel device, it is characterised in that：The intelligent control module
Also include input through keyboard circuit and display circuit, the input of the output connection cpu circuit of input through keyboard circuit, cpu circuit it is defeated
Go out to connect the input of display circuit.
3. the low-voltage network according to any one of claim 1 or 2 intelligently divides parallel device, it is characterised in that：The electricity
Source circuit includes the two-way rectification circuit that is connected in parallel, DC-DC circuit, battery charger and power supply switch circuit, wherein
The input of two-way rectification circuit passes through respectively from low-voltage distribution bus A and low-voltage distribution bus B, the output of two-way rectification circuit
Jing battery chargers are powered after DC-DC circuit step-down, while giving whole Based Intelligent Control with battery together Jing power supply switch circuits
Module for power supply.
4. low-voltage network according to claim 3 intelligently divides parallel device, it is characterised in that：The power supply switch circuit
Switch chip U1 and by mos pipe Q2, Q3 including power supply, the peripheral circuit of resistance R5 compositions, power supply switching chip U1 is adopted
LTC4412。
5. the low-voltage network according to any one of claim 1 or 2 intelligently divides parallel device, it is characterised in that：The nothing
Line communicating circuit is wireless radiofrequency transmission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620981542.6U CN206099504U (en) | 2016-08-30 | 2016-08-30 | Device is side by side divided to low voltage network intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620981542.6U CN206099504U (en) | 2016-08-30 | 2016-08-30 | Device is side by side divided to low voltage network intelligence |
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| Publication Number | Publication Date |
|---|---|
| CN206099504U true CN206099504U (en) | 2017-04-12 |
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ID=58474487
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620981542.6U Active CN206099504U (en) | 2016-08-30 | 2016-08-30 | Device is side by side divided to low voltage network intelligence |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947082A (en) * | 2018-01-12 | 2018-04-20 | 苏州安瑞可机柜***有限公司 | A kind of busbar fixed structure |
| CN109066603A (en) * | 2018-09-12 | 2018-12-21 | 深圳市科信通信技术股份有限公司 | A kind of low-voltage distribution system |
| CN109921380A (en) * | 2019-02-02 | 2019-06-21 | 国网浙江省电力有限公司丽水供电公司 | A kind of protective device for preventing from moving parallel device reverse charge again |
| CN112803581A (en) * | 2021-03-07 | 2021-05-14 | 广东电网有限责任公司广州供电局 | Intelligent power supply control method, system and device of low-voltage contact cabinet |
-
2016
- 2016-08-30 CN CN201620981542.6U patent/CN206099504U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107947082A (en) * | 2018-01-12 | 2018-04-20 | 苏州安瑞可机柜***有限公司 | A kind of busbar fixed structure |
| CN109066603A (en) * | 2018-09-12 | 2018-12-21 | 深圳市科信通信技术股份有限公司 | A kind of low-voltage distribution system |
| CN109066603B (en) * | 2018-09-12 | 2024-05-03 | 深圳市科信通信技术股份有限公司 | Low-voltage power distribution system |
| CN109921380A (en) * | 2019-02-02 | 2019-06-21 | 国网浙江省电力有限公司丽水供电公司 | A kind of protective device for preventing from moving parallel device reverse charge again |
| CN109921380B (en) * | 2019-02-02 | 2021-05-07 | 国网浙江省电力有限公司丽水供电公司 | Protection device for preventing re-moving parallel device from reverse charging |
| CN112803581A (en) * | 2021-03-07 | 2021-05-14 | 广东电网有限责任公司广州供电局 | Intelligent power supply control method, system and device of low-voltage contact cabinet |
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