CN203707870U - Automatic change-over electric appliance with anti-trip function - Google Patents
Automatic change-over electric appliance with anti-trip function Download PDFInfo
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- CN203707870U CN203707870U CN201320881793.3U CN201320881793U CN203707870U CN 203707870 U CN203707870 U CN 203707870U CN 201320881793 U CN201320881793 U CN 201320881793U CN 203707870 U CN203707870 U CN 203707870U
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- logic controller
- power supply
- acquisition module
- switch
- electric appliance
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- 238000009776 industrial production Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
An automatic change-over electric appliance with an anti-trip function comprises a switch state acquisition module, a power supply acquisition module, a logic controller and a dual-power switch; the switch state acquisition module is a switch state acquisition circuit connected with the logic controller; the power supply acquisition module is a power supply acquisition circuit formed by a voltage transformer and a corresponding acquisition circuit, and the power supply acquisition circuit is connected with the logic controller; the logic controller is formed by a microcontroller circuit; the dual-power switch is connected with the logic controller; when a normal switch trips or fails, a user load cannot normally work, and the automatic change-over electric appliance with the anti-trip function can solve the problems; data acquisition and the logic controller are employed, when the normal switch trips or fails, a standby switch is controlled and used, so the user load can normally work; the logic controller module can send alarm signals to inform the user that the normal switch has failed.
Description
Technical field
The utility model belongs to automatic switch technical field of electric appliances, particularly relates to a kind of automatic transfer switching electric appliance that possesses anti-jump function.
Background technology
In order to ensure industrial production; avoid causing shutdown because of electric power system fault; in Large Scale and Continuous manufacture enterprises such as petrochemical industry, oil field, metallurgy, electric power; all adopt duplicate supply fanout operation or " master one is standby " power supply; when guaranteeing a road power failure power-off, another road power supply drops into immediately.In the large enterprise producing at oil, chemical industry, metallurgy, electric power equicontinuity, its important rotary machine all adopts dual power supply mode, in the time of the power failure power-off of arbitrary road, can automatically switch on the power supply of another road normal power supply, to guarantee the continuous operation of important rotary machine.
Automatic transfer switching electric appliance is carried out switch and other essential electrical equipment (switching controller) by one or several and is formed, for monitoring power circuit and one or several load circuit being converted to the device for switching of another power supply from a power supply.End as fire-fighting load and other important loads is thrown device mutually, automatic transfer switching electric appliance is widely used in engineering, hold water and select automatic transfer switching electric appliance can guarantee the reliable power supply of important load, become a link indispensable and important in the electric power system of important load.
Jump refers to switch separating brake under improper logic, and the reason of jump is a lot, may be outside interference or the operating mechanism inefficacy of Switch main body.At present automatic transfer switching electric appliance can only maintained switch gate-dividing state in the time of switch generation jump fault, can automatically not remove to drop into another road power supply, thereby cause user load normally to work.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of automatic transfer switching electric appliance that possesses anti-jump function.
In order to achieve the above object, the automatic transfer switching electric appliance that possesses anti-jump function that the utility model provides comprises: on off state acquisition module, power supply acquisition module, logic controller and twin-power switch; On off state acquisition module is on off state Acquisition Circuit, and its andlogic control device is connected, for the passive signal of reactive switches state being become to active low-voltage signal and being transferred to logic controller;
Power supply acquisition module is power supply power acquisition collector, and it is made up of voltage transformer and corresponding Acquisition Circuit, and andlogic control device is connected, for the high-voltage signal of power supply being become to the weak electric signal of low-voltage and being transferred to logic controller;
Logic controller is made up of microcontroller circuit, for accepting the collection signal of on off state acquisition module and power supply acquisition module, and moves by logical operation control twin-power switch;
Twin-power switch is two execution switches on this automatic transfer switching electric appliance, and its andlogic control device is connected, and for accepting the signal of logic controller, disjunction two-way is carried out switch, realizes the function stopping load supplying.
Described logic controller also comprises alarm device, for output alarm cue.
When the automatic transfer switching electric appliance of anti-jump function that what the utility model provided possess has solved conventional switch jump or fault, the problem of user load cisco unity malfunction; Realize by data acquisition and logic controller, control and drop into backup circuit breaker in the time of conventional switch jump or fault, assurance user load can normally be worked.And send alarm signal by logic controller module, notify the conventional switch of user to break down.
Realized and after a way switch jump, automatically dropped into another road power supply by the utility model, while guaranteeing a way switch generation problem, user load can normally be worked, and has solved automatic transfer switching electric appliance product problem in actual applications.
Accompanying drawing explanation
The composition schematic diagram of the automatic transfer switching electric appliance that possesses anti-jump function that Fig. 1 provides for the utility model.
The schematic diagram of on off state acquisition module in the automatic transfer switching electric appliance that possesses anti-jump function that Fig. 2 provides for the utility model.
In the automatic transfer switching electric appliance that possesses anti-jump function that Fig. 3 provides for the utility model, power supply gathers module principle figure.
Embodiment
The automatic transfer switching electric appliance that possesses anti-jump function the utility model being provided below in conjunction with the drawings and specific embodiments is elaborated.
As shown in Figure 1, the automatic transfer switching electric appliance that possesses anti-jump function that the utility model provides comprises: on off state acquisition module 1, power supply acquisition module 2, logic controller 3 and twin-power switch 4; Wherein: on off state acquisition module 1 is on off state Acquisition Circuit, its respectively andlogic control device 3 be connected with twin-power switch 4, for gathering the status signal of twin-power switch 4, and the passive signal of reactive switches state is become to active low-voltage signal (3.3VDC) and is transferred to logic controller 3; Fig. 2 is the circuit theory diagrams of on off state acquisition module 1;
Power supply acquisition module 2 is power supply power acquisition collector, it is made up of voltage transformer and corresponding Acquisition Circuit, andlogic control device 3 is connected, for the power supply signal of Gather and input power supply, and the high-voltage signal of power supply is become to the weak electric signal (1.65-3.3V) of low-voltage and is transferred to logic controller 3; Fig. 3 is the circuit theory diagrams of power supply acquisition module 2;
Logic controller 3 is made up of microcontroller circuit, for accepting the collection signal of on off state acquisition module 1 and power supply acquisition module 2, and moves by logical operation control twin-power switch 4;
Twin-power switch 4 is two execution switches on this automatic transfer switching electric appliance, and its andlogic control device 3 is connected, and for accepting the signal of logic controller 3, disjunction two-way is carried out switch, realizes the function stopping load supplying.
Described logic controller 3 also comprises alarm device, for output alarm cue.
What the utility model provided possesses the automatic transfer switching electric appliance of anti-jump function in the time of work, the numerical value of the real-time read switch state acquisition module 1 of logic controller 3 and power supply acquisition module 2, when finding after conventional switch jump by judging whether backup power source voltage normally determines whether to drop into backup circuit breaker, drop into after backup circuit breaker when determining, logic controller 3 sends control command control twin-power switch 4 and carries out backup circuit breaker closing operation and send alarm signal.
Claims (2)
1. an automatic transfer switching electric appliance that possesses anti-jump function, is characterized in that: it comprises: on off state acquisition module (1), power supply acquisition module (2), logic controller (3) and twin-power switch (4); On off state acquisition module (1) is on off state Acquisition Circuit, and its andlogic control device (3) is connected, for the passive signal of reactive switches state being become to active low-voltage signal and being transferred to logic controller (3);
Power supply acquisition module (2) is power supply power acquisition collector, it is made up of voltage transformer and corresponding Acquisition Circuit, and andlogic control device (3) is connected, for the high-voltage signal of power supply being become to the weak electric signal of low-voltage and being transferred to logic controller (3);
Logic controller (3) is made up of microcontroller circuit, for accepting the collection signal of on off state acquisition module (1) and power supply acquisition module (2), and moves by logical operation control twin-power switch (4);
Twin-power switch (4) is two execution switches on this automatic transfer switching electric appliance, and its andlogic control device (3) is connected, and for accepting the signal of logic controller (3), disjunction two-way is carried out switch, realizes the function stopping load supplying.
2. the automatic transfer switching electric appliance that possesses anti-jump function according to claim 1, is characterized in that: described logic controller (3) also comprises alarm device, for output alarm cue.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201320881793.3U CN203707870U (en) | 2013-12-24 | 2013-12-24 | Automatic change-over electric appliance with anti-trip function |
Applications Claiming Priority (1)
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CN201320881793.3U CN203707870U (en) | 2013-12-24 | 2013-12-24 | Automatic change-over electric appliance with anti-trip function |
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CN203707870U true CN203707870U (en) | 2014-07-09 |
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CN201320881793.3U Expired - Lifetime CN203707870U (en) | 2013-12-24 | 2013-12-24 | Automatic change-over electric appliance with anti-trip function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103715761A (en) * | 2013-12-24 | 2014-04-09 | 施耐德万高(天津)电气设备有限公司 | Automatic change-over switch apparatus with switch-opening prevention function |
-
2013
- 2013-12-24 CN CN201320881793.3U patent/CN203707870U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103715761A (en) * | 2013-12-24 | 2014-04-09 | 施耐德万高(天津)电气设备有限公司 | Automatic change-over switch apparatus with switch-opening prevention function |
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Granted publication date: 20140709 |