CN204732959U - A kind of Dual-power device of electrical appliance - Google Patents
A kind of Dual-power device of electrical appliance Download PDFInfo
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- CN204732959U CN204732959U CN201520422735.3U CN201520422735U CN204732959U CN 204732959 U CN204732959 U CN 204732959U CN 201520422735 U CN201520422735 U CN 201520422735U CN 204732959 U CN204732959 U CN 204732959U
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- pole switch
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Abstract
The utility model relates to a kind of Dual-power device of electrical appliance, and it comprises the first power supply, second source and two double-pole switchs; The quiet edge of a knife of first live wire of the first double-pole switch is connected with the first power supply with the quiet edge of a knife of the first zero line; The quiet edge of a knife of second live wire of the second double-pole switch is connected with second source with the quiet edge of a knife of the second zero line; It is characterized in that: the zero line switch of the first double-pole switch is connected with public zero line with the zero line switch of the second double-pole switch, first live wire switch is connected with one end of the second relay normally closed interlock, and the first relay coil is connected to the first live wire switch and public zero line; Second live wire switch is connected with one end of the first relay normally closed interlock, and the other end of the first relay normally closed interlock is connected with the second relay normally closed interlock other end, is connected with public zero line through electrical appliance; Second relay coil is connected to the second live wire switch and public zero line.The utility model is when the unexpected dead electricity of power supply, and electrical appliance is worked by another Power supply.
Description
Technical field
The utility model relates to a kind of Dual-power device of electrical appliance.
Background technology
Many industrial processes are all operate continuously for 24 hours, and in order to not allow equipment because have a power failure and impact production suddenly, most of production scene uses duplicate supply to run.A power supply, once catastrophic failure interrupts, enables another stand-by power supply immediately.This is for a large system, and system is generally all provided with high pressure mother facility.
And for certain independent low voltage equipment on-the-spot, working power generally all passes through an independently switch control rule.But in some occasion, some equipment is common to the different low-pressure system of two covers, this two cover system is for subsequent use each other can not close a floodgate simultaneously, and this shared device power supply must take from two cover systems.
Like this, in order to meet when any set of system is run, this shared device can normally run, and the power supply of this equipment must follow system twice to walk, and when the first system runs, power supply is from the first system, and when second system runs, power supply is from second system.This has come with regard to the system needing a set of duplicate supply and interlock.The Dual-power device of existing electrical appliance can only work under set of system, once this system dead electricity, this electrical appliance just can not work, and can not open another set of system power supply immediately, can not ensure that the operation of electrical appliance is uninterrupted.
Summary of the invention
In order to overcome the above-mentioned deficiency of the Dual-power device of existing electrical appliance, the utility model provides a kind of Dual-power device of electrical appliance, the Dual-power device of this electrical appliance is at the power supply of powering suddenly because of fault dead electricity, and this electrical appliance, under another set of power supply drives, can also normally work.
The Dual-power device of this electrical appliance comprises the first power supply, second source, the first double-pole switch, the second double-pole switch and the first relay and the second relay, first power supply has the first power firestreak and the first zero-power line, and second source has second source live wire and second source zero line; First double-pole switch has the quiet edge of a knife of the first live wire, the quiet edge of a knife of the first zero line, the first live wire switch and the first zero line switch, and the second double-pole switch has the quiet edge of a knife of the second live wire, the quiet edge of a knife of the second zero line, the second live wire switch and the second zero line switch;
The quiet edge of a knife of first live wire of the first double-pole switch is connected with the first power firestreak, and the quiet edge of a knife of the first zero line of the first double-pole switch is connected with the first zero-power line; The quiet edge of a knife of second live wire of the second double-pole switch is connected with second source live wire, and the quiet edge of a knife of the second zero line of the second double-pole switch is connected with second source zero line; It is characterized in that:
First zero line switch of the first double-pole switch is connected with public zero line, first live wire switch of the first double-pole switch is connected with one end of the second relay normally closed interlock, and the two ends of the first relay coil are connected to the first live wire switch of the first double-pole switch and public zero line;
Second zero line switch of the second double-pole switch is connected with public zero line, second live wire switch of the second double-pole switch is connected with one end of the first relay normally closed interlock, the other end and the second relay normally closed interlock other end of the first relay normally closed interlock connect into tie point, be connected with terminals of the electrical appliance of 220V, another terminals of this electrical appliance are connected with public zero line again; The two ends of the second relay coil are connected to the second live wire switch of the second double-pole switch and public zero line.
The Dual-power device of above-mentioned electrical appliance, is characterized in that: described electrical appliance is any one of motor, transformer and Programmable Logic Controller.
By the interlocking of the Dual-power device of electrical appliance of the present utility model, the duplicate supply achieving low voltage control equipment runs.For being common to two covers mutually for the low voltage control equipment of system, when the power supply of powering is suddenly because of fault dead electricity, this electrical appliance, under another set of power supply drives, can also normally work.This device, when the first power supply source is powered, can avoid the accident of two Power supplies of second source false switching.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the utility model embodiment one.
Fig. 2 is the circuit diagram of the utility model embodiment two.
Fig. 3 is the circuit diagram of the utility model embodiment three.
In above-mentioned figure
1. the first power firestreak, 2. the first zero-power line, 3. the first double-pole switch, 4. the second relay normally closed interlock, 5. the first relay coil, 6. second source zero line, 7. second source live wire, 8. the second double-pole switch, 9. the first relay normally closed interlock, 10. the second relay coil, 11. motor, 12. public zero lines, 13. transformers, 14. Programmable Logic Controllers, 15.220V input, 16. zero line sides.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with embodiment and accompanying drawing thereof, but embodiment of the present utility model is not limited to following embodiment, following embodiment is not limitation of the present invention.
embodiment one
the embodiment of the Dual-power device of this electrical appliance sees Fig. 1, it comprises the first power supply, second source, the first double-pole switch 3, second double-pole switch 8 and the first relay and the second relay, first power supply has the first power firestreak 1 and the first zero-power line 2, and second source has second source live wire 7 and second source zero line 6.First double-pole switch 3 has the quiet edge of a knife of the first live wire, the quiet edge of a knife of the first zero line, the first live wire switch and the first zero line switch, and the second double-pole switch 8 has the quiet edge of a knife of the second live wire, the quiet edge of a knife of the second zero line, the second live wire switch and the second zero line switch.
The quiet edge of a knife of first live wire of the first double-pole switch 3 is connected with the first power firestreak 1, and the quiet edge of a knife of the first zero line of the first double-pole switch 3 is connected with the first zero-power line 2; The quiet edge of a knife of second live wire of the second double-pole switch 8 is connected with second source live wire 7, and the quiet edge of a knife of the second zero line of the second double-pole switch 8 is connected with second source zero line 6.
First zero line switch of the first double-pole switch 3 is connected with public zero line 12, first live wire switch of the first double-pole switch 3 is connected with one end of the second relay normally closed interlock 4, and the two ends of the first relay coil 5 are connected to the first live wire switch and the public zero line 12 of the first double-pole switch 3.
Second zero line switch of the second double-pole switch 8 is connected with public zero line 12, second live wire switch of the second double-pole switch 8 is connected with one end of the first relay normally closed interlock 9, the other end and second relay normally closed interlock 4 other end of the first relay normally closed interlock 9 connect into tie point, be connected with terminals of the motor 11 of 220V, another terminals of motor 11 are connected with public zero line 12 again; The two ends of the second relay coil 10 are connected to the second live wire switch and the public zero line 12 of the second double-pole switch 8.
embodiment two
the embodiment two of the Dual-power device of this electrical appliance is shown in Fig. 2, and it and embodiment one are unlike with transformer 13 replacement motor 11.The other end of the first relay normally closed interlock 9 and the other end of the second relay normally closed interlock 4 are connected to one end of transformer 13 high-pressure side (220V), and the on high-tension side other end of transformer 13 is connected with public zero line 12.Other is identical with embodiment one.
embodiment three
the embodiment three of the Dual-power device of this electrical appliance is shown in Fig. 3, and it and embodiment one are unlike with Programmable Logic Controller 14 replacement motor 11.The other end of the first relay normally closed interlock 9 and the other end of the second relay normally closed interlock 4 are connected to the 220V input 15 of Programmable Logic Controller 14, and the zero line side 16 of Programmable Logic Controller 14 is connected with public zero line 12.Other is identical with embodiment one.
Below in conjunction with embodiment one, the course of work of the present utility model is described.
When motor 11 runs with the first power supply, first double-pole switch 3, first double-pole switch 3 that closes connects the first power firestreak 1 and the first zero-power line 2.Second double-pole switch 8 does not close a floodgate, and the second relay coil 10 is energising not, so the second relay normally closed interlock 4 is closed.
Now the second double-pole switch 8 is closed a floodgate, because now the first relay coil 5 is in obtain electricity condition, the first relay normally closed interlock 9 is made to be in open mode, therefore, second double-pole switch 8 electric power loop also can not be connected, and avoids the danger that an electrical appliance two-phase power supply is powered simultaneously.When the first power supply is suddenly because of fault dead electricity, the first relay normally closed interlock 9 closes, and second source is just powered to motor 11 immediately, can normally work immediately.
Claims (2)
1. the Dual-power device of an electrical appliance, it comprises the first power supply, second source, the first double-pole switch, the second double-pole switch and the first relay and the second relay, first power supply has the first power firestreak and the first zero-power line, and second source has second source live wire and second source zero line; First double-pole switch has the quiet edge of a knife of the first live wire, the quiet edge of a knife of the first zero line, the first live wire switch and the first zero line switch, and the second double-pole switch has the quiet edge of a knife of the second live wire, the quiet edge of a knife of the second zero line, the second live wire switch and the second zero line switch;
The quiet edge of a knife of first live wire of the first double-pole switch is connected with the first power firestreak, and the quiet edge of a knife of the first zero line of the first double-pole switch is connected with the first zero-power line; The quiet edge of a knife of second live wire of the second double-pole switch is connected with second source live wire, and the quiet edge of a knife of the second zero line of the second double-pole switch is connected with second source zero line; It is characterized in that:
First zero line switch of the first double-pole switch is connected with public zero line, first live wire switch of the first double-pole switch is connected with one end of the second relay normally closed interlock, and the two ends of the first relay coil are connected to the first live wire switch of the first double-pole switch and public zero line;
Second zero line switch of the second double-pole switch is connected with public zero line, second live wire switch of the second double-pole switch is connected with one end of the first relay normally closed interlock, the other end and the second relay normally closed interlock other end of the first relay normally closed interlock connect into tie point, be connected with terminals of the electrical appliance of 220V, another terminals of this electrical appliance are connected with public zero line again; The two ends of the second relay coil are connected to the second live wire switch of the second double-pole switch and public zero line.
2. the Dual-power device of electrical appliance according to claim 1, is characterized in that: described electrical appliance is any one of motor, transformer and Programmable Logic Controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520422735.3U CN204732959U (en) | 2015-06-18 | 2015-06-18 | A kind of Dual-power device of electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520422735.3U CN204732959U (en) | 2015-06-18 | 2015-06-18 | A kind of Dual-power device of electrical appliance |
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| Publication Number | Publication Date |
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| CN204732959U true CN204732959U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520422735.3U Active CN204732959U (en) | 2015-06-18 | 2015-06-18 | A kind of Dual-power device of electrical appliance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529921A (en) * | 2019-08-22 | 2019-12-03 | 山西太钢不锈钢股份有限公司 | A kind of heating network system thermal energy Efficient utilization method |
-
2015
- 2015-06-18 CN CN201520422735.3U patent/CN204732959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529921A (en) * | 2019-08-22 | 2019-12-03 | 山西太钢不锈钢股份有限公司 | A kind of heating network system thermal energy Efficient utilization method |
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