CN105305606A - Self-powered monitoring device in power outage - Google Patents
Self-powered monitoring device in power outage Download PDFInfo
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- CN105305606A CN105305606A CN201510828475.4A CN201510828475A CN105305606A CN 105305606 A CN105305606 A CN 105305606A CN 201510828475 A CN201510828475 A CN 201510828475A CN 105305606 A CN105305606 A CN 105305606A
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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 self-powered supervising device during a kind of power-off.
Background technology
At present, market there is multiple watch-dog, but all need to access external ac power source, then cannot work as having a power failure, cause monitoring to interrupt.
Summary of the invention
The object of this invention is to provide a kind of self-powered supervising device when can automatically switch to battery-driven power-off when external ac power source power-off.
Self-powered supervising device when the present invention proposes a kind of power-off, comprise alternate current operation circuit, storage battery substitute operating circuit, alternate current operation circuit comprises AC power, main frame, camera, display, normally opened relay, switch; Storage battery substitute operating circuit comprises storage battery, direct current relay, charging overload protective device, inverter; Two operating circuits realize switching by normally closed relay, and the wire loop of normally closed relay is connected in parallel between the zero line of AC power and live wire.
Preferably, when AC-powered and switch connection time, alternate current operation circuit working, the wire loop of relay is in "on" position, and the normally closed interlock of its output loop disconnects, and storage battery substitute operating circuit does not work; When alternating current power-off or switch disconnect, the wire loop dead electricity of normally closed relay, the normally closed interlock return of its output loop closes and conducting battery positive voltage, and storage battery substitute operating circuit is started working.
The access wire loop of normally opened relay, the wire loop of normally closed relay in parallel between the zero line of AC power and live wire, one end of the output loop of normally opened relay is connected on zero line, the other end is connected with main frame, output loop one end of normally closed relay is connected to the positive pole of storage battery, and the other end is connected to the E end of the wire loop of direct current relay; The output loop G of direct current relay holds the input Q connecting inverter to hold, the negative pole that its output loop H holds, wire loop F end is connected to storage battery; The A end of charging overload protective device is connected on battery positive voltage, and its B end is connected in parallel on battery terminal negative, and its C end is connected in parallel on live wire, and D end is connected to the PCI interface of main frame, and the J interface of main frame is connected in parallel on live wire; Main frame M interface, N interface are connected to camera, and the K interface of main frame, L interface are connected to display; Camera is also electrically connected with display; The input R end of inverter is connected to the negative pole of storage battery; Output O, P of inverter hold with the S of the PCI interface of main frame, J interface and display respectively, T holds and is connected.
The invention has the beneficial effects as follows: can automatically switch to storage battery power supply during external ac power source power-off, monitoring is not interrupted; Charging overload protective device, charge a battery when alternate current operation circuit working, when direct current storage battery in the saturated condition time stop charging; Inverter, when the operating circuit work of storage battery substitute, can convert the direct current of storage battery to 220V alternating current, be supplied to main frame and display.
Accompanying drawing explanation
Fig. 1 is circuit structure diagram of the present invention;
Reference numeral: alternate current operation circuit V1, storage battery substitute operating circuit V2, AC power 1, main frame 2, camera 3, display 4, normally opened relay 5, switch 6, storage battery 7, direct current relay 8, charging overload protective device 9, inverter 10, normally closed relay 11, zero line 12, live wire 13.
Embodiment
With reference to Fig. 1, propose one embodiment of the invention, the present embodiment comprises alternate current operation circuit V1, storage battery substitute operating circuit V2, and alternate current operation circuit comprises AC power 1, main frame 2, camera 3, display 4, normally opened relay 5, switch 6; Storage battery substitute operating circuit comprises storage battery 7, direct current relay 8, charging overload protective device 9, inverter 10; This two operating circuit realizes switching by normally closed relay 11, and the wire loop of normally closed relay 11 is connected in parallel between the zero line 12 of AC power and live wire 13.
When AC-powered 1 and switch 6 is connected time, alternate current operation circuit V1 works, and the wire loop of normally closed relay 11 is in "on" position, and the normally closed interlock of its output loop disconnects, and storage battery substitute operating circuit V2 does not work; When alternating current power-off 2 or switch 6 disconnect, the wire loop dead electricity of normally closed relay 11, the normally closed interlock return of its output loop closes and conducting battery positive voltage, and storage battery substitute operating circuit V2 starts working.
The access wire loop of normally opened relay 5, the wire loop of normally closed relay 11 in parallel between the zero line of AC power 1 and live wire, one end of the output loop of normally opened relay 5 is connected on zero line 12, the other end is connected with main frame 2, output loop one end of normally closed relay 11 is connected to the positive pole of storage battery 7, and the other end is connected to the E end of the wire loop of direct current relay 8; The output loop G of direct current relay 8 holds the input Q connecting inverter 10 to hold, the negative pole that its output loop H holds, wire loop F end is connected to storage battery 7; The A end of charging overload protective device 9 is connected on storage battery 7 positive pole, and its B end is connected in parallel on storage battery 7 negative pole, and its C end 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 connected in parallel on live wire; M interface, the N interface of main frame 2 are connected to camera 3, and the K interface of main frame 2, L interface are connected to display 4; Camera 3 is also electrically connected with display 4; The input R end of inverter 10 is connected to the negative pole of storage battery 7; Output O, P of inverter 10 hold with the S of the PCI interface of main frame 2, J interface and display respectively, T holds and is connected.
When pressing switch 6, the wire loop of 220V AC power zero line 12 conducting normally opened relay 5, relay coil produces magnetic field, normally opened contact closes, live wire conducting is to 220V inverter 10, alternating current converts 12V direct current to through main frame 2 process and connects camera 3, camera 3 is preserved captured data transmission to display 4, when switch 6 is pressed, the wire loop of the normally closed relay of conducting simultaneously 11, because of the conducting of this wire loop zero line, produce magnetic field, normally-closed contact is opened, cut off the wire loop leading to direct current relay 8, because of the conducting of relay 4, live wire is connected to charging overload protective device 6 to another road power supply, when direct current storage battery 7 in the saturated condition time stop charging.When storage battery 7 is lower than 12V, charge in batteries is carried out in the work of charging overload protective device 9.
When alternating-current power supply power-off, because of the power-off of normally opened relay 5 wire loop, and magnetic field dissipate, normally opened contact return, main frame 2 quits work, simultaneously normally closed relay 11 is also because of wire loop power-off, magnetic field dissipate, normally-closed contact return and conducting battery positive voltage, be communicated to the wire loop of direct current relay 8, wire loop conducting produces magnetic field, and normally opened contact closes, and power turn-on is to 12V inverter 10.Process through inverter 10 converts 220V alternating current to, and alternating current is connected to main frame 2 and display 4, and main frame 2 works, display 4 works because of the conducting of alternating current, display 4 connects camera 3, camera work, and captured data transmission is preserved to display 4.The inverter 220V conducting simultaneously charging overload protective device 9 of 12V inverter, charging overload protective device 9 normally works because of energising.When using direct current, charging overload protective device can prevent storage battery under saturated state, damages storage battery for a long time to charge in batteries.When working power AC outage, normally closed relay 11 conducting battery positive voltage, being communicated with 12V inverter 10, is 220V alternating current through inverter inversion, 220V alternating current conducting charging overload protective device 9 and working.
When alternating current reopens, the conducting of normally opened relay 5 wire loop, normally opened contact closes, live wire conducting main frame 2, main frame 2 works, and normally closed relay 11 is also because of wire loop conducting, coil produces magnetic field, normally-closed contact is opened, and the DC power supply positive pole towards 12V inverter 10 is cut off, and inverter 10 quits work.Charging overload protective device 9 normally works because of the conducting of alternating-current power supply.
Claims (3)
1. self-powered supervising device during power-off, is characterized in that, comprise alternate current operation circuit, storage battery substitute operating circuit, alternate current operation circuit comprises AC power, main frame, camera, display, normally opened relay, switch; Storage battery substitute operating circuit comprises storage battery, direct current relay, charging overload protective device, inverter; Two operating circuits realize switching by normally closed relay, and the wire loop of normally closed relay is connected in parallel between the zero line of AC power and live wire.
2. self-powered supervising device during power-off according to claim 1, is characterized in that, when AC-powered and switch connection time, alternate current operation circuit working, the wire loop of relay is in "on" position, and the normally closed interlock of its output loop disconnects, and storage battery substitute operating circuit does not work; When alternating current power-off or switch disconnect, the wire loop dead electricity of normally closed relay, the normally closed interlock return of its output loop closes and conducting battery positive voltage, and storage battery substitute operating circuit is started working.
3. self-powered supervising device during power-off according to claim 1, it is characterized in that, the access wire loop of normally opened relay, the wire loop of normally closed relay in parallel between the zero line of AC power and live wire, one end of the output loop of normally opened relay is connected on zero line, the other end is connected with main frame, output loop one end of normally closed relay is connected to the positive pole of storage battery, and the other end is connected to the E end of the wire loop of direct current relay; The output loop G of direct current relay holds the input Q connecting inverter to hold, the negative pole that its output loop H holds, wire loop F end is connected to storage battery; The A end of charging overload protective device is connected on battery positive voltage, and its B end is connected in parallel on battery terminal negative, and its C end is connected in parallel on live wire, and D end is connected to the PCI interface of main frame, and the J interface of main frame is connected in parallel on live wire; Main frame M interface, N interface are connected to camera, and the K interface of main frame, L interface are connected to display; Camera is also electrically connected with display; The input R end of inverter is connected to the negative pole of storage battery; Output O, P of inverter hold with the S of the PCI interface of main frame, J interface and display respectively, T holds and is connected.
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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| CN105305606A true CN105305606A (en) | 2016-02-03 |
| CN105305606B 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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Cited By (3)
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| 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 |
| CN110601205A (en) * | 2019-10-16 | 2019-12-20 | 佛山闽雄机电科技有限公司 | Direct current 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 |
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2015
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| 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 |
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| 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 |
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| CN105305606B (en) | 2017-02-22 |
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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 |
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