CN105305606B - Self-powered monitoring device in power outage - Google Patents
Self-powered monitoring device in power outage Download PDFInfo
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- CN105305606B CN105305606B CN201510828475.4A CN201510828475A CN105305606B CN 105305606 B CN105305606 B CN 105305606B CN 201510828475 A CN201510828475 A CN 201510828475A CN 105305606 B CN105305606 B CN 105305606B
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- relay
- accumulator
- main frame
- interface
- normally closed
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Abstract
The invention discloses a self-powered monitoring device in power outage and belongs to the field of monitoring devices. The self-powered monitoring device in power outage comprises an AC operating circuit and a storage battery standby operating circuit. The AC operating circuit comprises an AC power supply, a host, a camera, a display, a normally-open relay, and a switch. The storage battery standby operating circuit comprises a storage battery, a DC relay, a charging overload protector, and an inverter. The two operating circuits are switched by a normally-closed relay. The coil loop of the normally-closed relay is connected in parallel between the null line and the live wire of the AC power supply. The self-powered monitoring device in power outage can be automatically switched to the storage battery to be powered when an external AC power supply is in power failure in order to achieve uninterrupted monitoring.
Description
Technical field
The present invention relates to a kind of supervising device, particularly to supervising device self-powered during a kind of power-off.
Background technology
At present, market has multiple watch-dogs, but be required for accessing external ac power source, such as have a power failure and then cannot work, make
Monitoring is become to interrupt.
Content of the invention
It is an object of the invention to provide one kind can automatically switch to battery-driven breaking in external ac power source power-off
Self-powered supervising device when electric.
The present invention proposes self-powered supervising device during a kind of power-off, including alternate current operation circuit, accumulator substitute work
Circuit, alternate current operation circuit includes alternating current power supply, main frame, photographic head, display, normally opened relay, switch；Accumulator substitute work
Include accumulator, DC relay, charging overload protective device, inverter as circuit；Two operating circuits are real by normally closed relay
Now switch, the wire loop of normally closed relay is connected in parallel between the zero line of alternating current power supply and live wire；The zero line of alternating current power supply and fire
The wire loop accessing normally opened relay in parallel, the wire loop of normally closed relay, the output loop of normally opened relay between line
One end be connected on zero line, the other end is connected with main frame I end, and output loop one end of normally closed relay is connected to accumulator
Positive pole, the other end is connected to the E end of the wire loop of DC relay；The output loop G end of DC relay connects inverter
Input Q end, its output loop H end is connected to the positive pole of accumulator, wire loop F end is connected to the negative pole of accumulator；Charge
The A end of overload protective device is connected on battery positive voltage, and its B end is connected in parallel on battery terminal negative, and its C-terminal is connected in parallel on live wire, and D end connects
The PCI interface of main frame, the J interface of main frame is connected in parallel on live wire；Main frame M interface, N interface are connected to photographic head, and the K of main frame connects
Mouth, L interface are connected to display；Photographic head is also electrically connected with display；The input R end of inverter is connected to the negative of accumulator
Pole；Outfan O, P of inverter is connected with the S end of the PCI interface, J interface and display of main frame, T end respectively.
Preferably, when AC-powered and switch connection, alternate current operation circuit works, and the wire loop of relay is in
"on" position, the normally closed interlock of its output loop disconnects, and accumulator substitute operating circuit does not work；When alternating current power-off or switch
During disconnection, the wire loop dead electricity of normally closed relay, the normally closed interlock return of its output loop closes and turns on battery positive voltage,
Accumulator substitute operating circuit is started working.
The invention has the beneficial effects as follows:Can automatically switch to storage battery power supply during external ac power source power-off, make monitoring
Do not interrupt；Charging overload protective device, charges a battery when alternate current operation circuit works, when direct current electrical storage cell is in saturation shape
Stop when under state charging；The unidirectional current of accumulator, in accumulator substitute operating circuit work, can be converted into 220V by inverter
Alternating current, is supplied to main frame and display.
Brief description
Fig. 1 is the circuit structure diagram of the present invention；
Reference：Alternate current operation circuit V1, accumulator substitute operating circuit V2, alternating current power supply 1, main frame 2, photographic head 3,
Display 4, normally opened relay 5, switch 6, accumulator 7, DC relay 8, charging overload protective device 9, inverter 10, normally closed continue
Electrical equipment 11, zero line 12, live wire 13.
Specific embodiment
With reference to Fig. 1, one embodiment of the invention is proposed, the present embodiment includes alternate current operation circuit V1, accumulator substitute work
Make circuit V2, alternate current operation circuit includes alternating current power supply 1, main frame 2, photographic head 3, display 4, normally opened relay 5, switch 6；Store
Battery substitute operating circuit includes accumulator 7, DC relay 8, charging overload protective device 9, inverter 10；This two operating circuit
Switching is realized by normally closed relay 11, the wire loop of normally closed relay 11 is connected in parallel on zero line 12 and the live wire 13 of alternating current power supply
Between.
When AC-powered 1 and switch 6 connection, alternate current operation circuit V1 works, the wire loop of normally closed relay 11
It is in "on" position, the normally closed interlock of its output loop disconnects, accumulator substitute operating circuit V2 does not work；When alternating current power-off
2 or switch 6 disconnect when, the wire loop dead electricity of normally closed relay 11, its output loop normally closed interlock return closure and turn on
Battery positive voltage, accumulator substitute operating circuit V2 starts working.
The in parallel wire loop accessing normally opened relay 5 between the zero line of alternating current power supply 1 and live wire, normally closed relay 11
Wire loop, one end of the output loop of normally opened relay 5 is connected on zero line 12, and the other end is connected with the I end of main frame 2, often
The output loop one end closing relay 11 is connected to the positive pole of accumulator 7, and the other end is connected to the wire loop of DC relay 8
E end；The output loop G end of DC relay 8 connects the input Q end of inverter 10, and its output loop H end is connected to accumulator
Positive pole, wire loop F end be connected to the negative pole of accumulator 7；The A end of charging overload protective device 9 is connected on accumulator 7 positive pole, its B
End is connected in parallel on accumulator 7 negative pole, and its C-terminal is connected in parallel on live wire 13, and D end is connected to the PCI interface of main frame 2, and the J interface of main frame is in parallel
On live wire；The M interface of main frame 2, N interface are connected to photographic head 3, and the K interface of main frame 2, L interface are connected to display 4；Shooting
3 are also electrically connected with display 4；The input R end of inverter 10 is connected to the negative pole of accumulator 7；Outfan O, P of inverter 10
It is connected with the S end of the PCI interface, J interface and display of main frame 2, T end respectively.
When pressing switch 6,220V alternating current power supply zero line 12 turns on the wire loop of normally opened relay 5, relay coil
Produce magnetic field, normally opened contact closes, live wire is conducted to 220V inverter 10, alternating current processes through main frame 2 and is converted into 12V direct current
Electricity and connect photographic head 3,3 captured data transmissions of photographic head to display 4 and preserve, and switch 6 when pressing, simultaneously turns on
The wire loop of normally closed relay 11, because of the conducting of this wire loop zero line, produces magnetic field, normally-closed contact is opened, cut-out is logical
Toward the wire loop of DC relay 8, because of the conducting of relay 4, live wire connects to charging overload protective device 6 another road power supply,
When direct current electrical storage cell 7 in the saturated condition when stop charge.When accumulator 7 is less than 12V, charging overload protective device 9 works
Carry out accumulator charging.
When alternating-current power supply power-off, because of normally opened relay 5 wire loop power-off, and magnetic field disappears, normally opened contact return,
Main frame 2 quits work, and also because of wire loop power-off, magnetic field disappears normally closed relay 11 simultaneously, normally-closed contact return and turn on storage
Anode, is communicated to the wire loop of DC relay 8, and wire loop conducting produces magnetic field, and normally opened contact closes, and power supply is led
Pass to 12V inverter 10.It is converted into 220V alternating current through the process of inverter 10, exchange is electrically connected to main frame 2 and display
4, main frame 2 works, and display 4 works because of the conducting of alternating current, and display 4 connects photographic head 3, and photographic head works, being clapped
The data transmission taken the photograph to display 4 and preserves.The inverter 220V of 12V inverter simultaneously turns on charging overload protective device 9, fills
Electrical overstress protection device 9 normal work because of energising.When using unidirectional current, charging overload protective device can prevent accumulator in saturation
In the state of, charge to accumulator for a long time and damage accumulator.When working power AC outage, normally closed relay 11 is led
Logical battery positive voltage, connects 12V inverter 10, is 220V alternating current through inverter inversion, and the conducting of 220V alternating current was charged
Carry protector 9 and work.
When alternating current reopens, normally opened relay 5 wire loop turns on, and normally opened contact closes, and live wire turns on main frame
2, main frame 2 works, and normally closed relay 11 also turns on because of wire loop, and coil produces magnetic field, and normally-closed contact is opened, inverse towards 12V
The DC power supply positive pole becoming device 10 is cut off, and inverter 10 quits work.Charging overload protective device 9 is led because alternating-current power supply
Lead to and normal work.
Claims (2)
1. during a kind of power-off self-powered supervising device it is characterised in that include alternate current operation circuit, accumulator substitute work electricity
Road, alternate current operation circuit includes alternating current power supply, main frame, photographic head, display, normally opened relay, switch；Accumulator substitute work
Circuit includes accumulator, DC relay, charging overload protective device, inverter；Two operating circuits are realized by normally closed relay
Switching, the wire loop of normally closed relay is connected in parallel between the zero line of alternating current power supply and live wire；The zero line of alternating current power supply and live wire
Between the in parallel wire loop accessing normally opened relay, the wire loop of normally closed relay, the output loop of normally opened relay
One end is connected on zero line, and the other end is connected with main frame I end, and output loop one end of normally closed relay is just being connected to accumulator
Pole, the other end is connected to the E end of the wire loop of DC relay；The output loop G end of DC relay connects inverter
Input Q end, its output loop H end is connected to the positive pole of accumulator, wire loop F end is connected to the negative pole of accumulator；Charged
The A end carrying protector is connected on battery positive voltage, and its B end is connected in parallel on battery terminal negative, and its C-terminal is connected in parallel on live wire, and D end is connected to
The PCI interface of main frame, the J interface of main frame is connected in parallel on live wire；Main frame M interface, N interface are connected to photographic head, the K interface of main frame, L
Interface is connected to display；Photographic head is also electrically connected with display；The input R end of inverter is connected to the negative pole of accumulator；Inverse
Outfan O, P of becoming device are connected with the S end of the PCI interface, J interface and display of main frame, T end respectively.
2. during power-off according to claim 1 self-powered supervising device it is characterised in that work as AC-powered and switch
During connection, alternate current operation circuit works, and the wire loop of relay is in "on" position, and the normally closed interlock of its output loop breaks
Open, accumulator substitute operating circuit does not work；When alternating current power-off or when switching off, the wire loop of normally closed relay loses
Electricity, the normally closed interlock return of its output loop closes and turns on battery positive voltage, and accumulator substitute operating circuit is started working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828475.4A CN105305606B (en) | 2015-11-25 | 2015-11-25 | Self-powered monitoring device in power outage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510828475.4A CN105305606B (en) | 2015-11-25 | 2015-11-25 | Self-powered monitoring device in power outage |
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| Publication Number | Publication Date |
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| CN105305606A CN105305606A (en) | 2016-02-03 |
| CN105305606B true CN105305606B (en) | 2017-02-22 |
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| CN201510828475.4A Active CN105305606B (en) | 2015-11-25 | 2015-11-25 | Self-powered monitoring device in power outage |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110535227A (en) * | 2019-08-26 | 2019-12-03 | 四川共享铸造有限公司 | Rail logistics equipment with power-off compensation |
| CN110601205B (en) * | 2019-10-16 | 2024-03-01 | 佛山闽雄机电科技有限公司 | Direct-current power storage type voltage compensator and application thereof |
| CN112018875A (en) * | 2020-08-27 | 2020-12-01 | 临沂会宝岭铁矿有限公司 | PLC uninterrupted power supply device of mining electric locomotive |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8558407B2 (en) * | 2011-01-25 | 2013-10-15 | Man-D-Tec, Inc. | Elevator emergency LED lighting power supply assembly |
| CN103843227A (en) * | 2011-08-03 | 2014-06-04 | 施耐德电气It公司 | Ups mechanical transfer relay arc mitigation |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203218969U (en) * | 2013-03-18 | 2013-09-25 | 南京南汽专用车有限公司 | Uninterrupted power supply (UPS) circuit for vehicle inverter and commercial power |
| CN103368235B (en) * | 2013-07-30 | 2015-06-17 | 深圳市国耀电子科技有限公司 | Nickel-metal hydride battery charge-discharge circuit in uninterruptible power supply |
| CN203691043U (en) * | 2013-11-26 | 2014-07-02 | 江苏国网自控科技股份有限公司 | Alternating current shutdown circuit in instantaneous power failure prevention system |
| CN204231011U (en) * | 2014-09-16 | 2015-03-25 | 深圳市科瑞爱特科技开发有限公司 | A kind of civil power input and inversion output switching circuit of power converter |
| CN205123399U (en) * | 2015-11-25 | 2016-03-30 | 江永县元杰科技有限公司 | Self -powered monitoring device during outage |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8558407B2 (en) * | 2011-01-25 | 2013-10-15 | Man-D-Tec, Inc. | Elevator emergency LED lighting power supply assembly |
| CN103843227A (en) * | 2011-08-03 | 2014-06-04 | 施耐德电气It公司 | Ups mechanical transfer relay arc mitigation |
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| CN105305606A (en) | 2016-02-03 |
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Denomination of invention: Self-powered monitoring device in power outage Effective date of registration: 20181107 Granted publication date: 20170222 Pledgee: Hunan Jiangyong rural commercial bank Limited by Share Ltd Pledgor: JIANGYONG COUNTY YUANJIE TECHNOLOGY CO., LTD. Registration number: 2018430000100 |