CN2645322Y - Intelligent type power supply automatic transfer switch circuit arrangement - Google Patents
Intelligent type power supply automatic transfer switch circuit arrangement Download PDFInfo
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- CN2645322Y CN2645322Y CN 03216917 CN03216917U CN2645322Y CN 2645322 Y CN2645322 Y CN 2645322Y CN 03216917 CN03216917 CN 03216917 CN 03216917 U CN03216917 U CN 03216917U CN 2645322 Y CN2645322 Y CN 2645322Y
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Abstract
The utility model discloses an intelligent type power supply automatic transfer switch circuit arrangement which adopts a three-part control to realize automatic switch-on or cut-off of power, that is, switching a load circuit from one power supply to another power supply in a double power supply system for emergency power supply and rapidly cutting off power supply in case of overload and short circuit to switch to a neutral point (off) without using fuse so as to realize complete power supply isolation and line safety protection. Meanwhile, the intelligent type power supply automatic transfer switch circuit arrangement detects the voltage of two sets of three-phase four-line power supply at the input end and detects the current at the output end, sets working parameter, sends signals to a single sheet circuit for processing, outputs control signals and display signal, has remote communication port, displays the real time working status and failure conditions in both Chinese and English on a remote computer and the switch panel to provide reliable basis to maintenance and faults removal and bring convenience to users.
Description
Technical field
The utility model belongs to the device for switching technical field, particularly relates to a kind of intelligent electric power auto-switch circuit device with syllogic control and energy Chinese and English demonstration real-time working state and failure cause.
Background technology
Automatic power switch is that a kind of being installed on makes load circuit can realize continuous powered switch electrical equipment in the circuit, it mainly is to be used in the double power-supply system of emergency service, action by automatic power switch, with load circuit from an automatic changing-over of power supply to another power supply, realize to the load circuit purpose of power supply continuously.The automatic power switch of prior art superpressure occurs or when under-voltage at power supply, can realize load circuit from an automatic changing-over of power supply realizing the continuous power supply to load circuit to another power supply; And when overload or short circuit appear in load circuit, can cut off power supply, reach the purpose of protection circuit, load equipment and personal safety.But owing to this automatic power switch does not show the reason of switching or cutting off when switching or cutting off the electricity supply, the also real-time working state of circuit not simultaneously, so both caused maintenance line and the inconvenience of searching failure cause, and cause misjudgment easily, also be unfavorable for circuit is monitored in real time; Because the mode of cutting off the electricity supply is that employing is fuse protected, the automatic recovery after being unfavorable for cutting off the power supply promptly can not switch to neutral point (OFF) guarded by location after the outage automatically; And can not set running parameter within the specific limits arbitrarily and realize remote monitoring, its automaticity is not enough.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provide a kind of automaticity higher and can Chinese and English show the intelligent electric power auto-switch circuit device of real-time working state and failure cause, superpressure occurs or when under-voltage, realize that power supply automaticallyes switch at power supply; And when overload or short circuit appear in load circuit, switch to neutral point (OFF) guarded by location, be syllogic power change-over switch controller, reach do not use have fuse protected; And having the remote monitoring communication port, fault is handled automatically, warning and starter-generator function.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of intelligent electric power auto-switch circuit device, and it comprises:
Voltage detecting circuit its role is to mains supply (hereinafter to be referred as A) and two groups of three-phase four-wire power supply power source voltage of stand-by power supply (hereinafter to be referred as B) are carried out the phase voltage detection, and the input terminal voltage data are provided;
Current detection circuit its role is to load current is carried out current detecting, and the load current data are provided;
Running parameter is provided with circuit, its role is to preestablish to running parameter, and the output services setting parameter signal;
Single chip circuit its role is to the input terminal voltage data to input, the output end current data, and the running parameter setting signal compares, judgement, calculation process, and output control signal and shows signal;
The Switching power drive circuit its role is to the Switching power control signal that the root a tree name is imported, and driving device mechanism produces the execution work of switching;
The drive circuit of cutting off the electricity supply its role is to the control signal of cutting off the electricity supply of root a tree name input, and driving device mechanism produces the execution work of cutting off the electricity supply, and makes the contact switch to the OFF position, and does not use fuse protected;
Display circuit its role is to the shows signal that the root a tree name is imported, and drives the liquid crystal display on-screen-display message;
In voltage detecting circuit, the current detection circuit difference line attachment, the output of voltage detecting circuit is connected to the input of single chip circuit, the output of current detection circuit is connected to the input of single chip circuit, the output that running parameter is provided with circuit is connected to the input of single chip circuit, and the output of single chip circuit is connected to the Switching power drive circuit respectively, the input of the drive circuit of cutting off the electricity supply, display circuit.
Described intelligent electric power auto-switch circuit device also comprises the generator drive circuit, and the input of generator drive circuit is connected to the output of single chip circuit, and the output of generator drive circuit is connected to generator.
Described intelligent electric power auto-switch circuit device also comprises and is provided with the COM port that can be connected with remote computer.
Described intelligent electric power auto-switch circuit device also comprises the warning drive circuit, and the input of warning drive circuit is connected to the output of single chip circuit, and the output of warning drive circuit is connected to loud speaker.
Described running parameter is provided with circuit and comprises that being provided with segmentation is provided with the input of operating voltage numerical value, the input of overvoltage numerical value, the input of under-voltage numerical value, under-voltage time-delay numerical value switching time input, segmentation are provided with the input of operating current numerical value, times fluxion value input, the input of overcurrent value numerical value.
Described single chip circuit mainly comprises central processor CPU, and central processor CPU is provided with input, output port, and its input, output port are connected with input, output signal respectively.
Described display circuit comprises being provided with and shows the real-time parameter value of setting, shows input power supply phase voltage magnitude of voltage, shows out-put supply phase current, overcurrent, times flow valuve, and failure condition, warning.
Described display circuit comprises that being provided with Chinese shows the real-time parameter value of setting, shows input power supply phase voltage magnitude of voltage, shows out-put supply phase current, overcurrent, times flow valuve, and failure condition, warning.
Described display circuit comprises and is provided with the English display real-time parameter value of setting, shows input power supply phase voltage magnitude of voltage, shows out-put supply phase current, overcurrent, times flow valuve, and failure condition, warning.
In actual use, this intelligent electric power auto-switch circuit device is set to syllogic control, promptly be provided with neutral point (OFF) position that isolates fully with two groups of power supplies, when circuit breaks down, reach and cut off two groups of power supplies fully, and do not use fuse.This circuit arrangement carries out superpressure, under-voltage, phase shortage detection by its voltage detecting circuit to two groups of three-phase four-wire power supply power supplys of input, and the voltage data of power supply is provided; Detect by the load current of its current detection circuit, the current data of load current is provided output; By its running parameter circuit is set, to operating voltage, overvoltage, under-voltage, under-voltage time-delay switching time, operating current, doubly stream, overcurrent value are provided with, and setting manual and that switch is automatically arranged, wherein, voltage is provided with scope in 160-400 volt (pressure mutually), low pressure 160-210 volt, high pressure 230-400 volt is 180 volts when low pressure is set, and high pressure is 230 volts, be lower than 180 volts so for under-voltage, be higher than 230 volts and be superpressure, current margin is set pacify, doubly flow the 100-9999 peace at 100-5000.With the input terminal voltage data, the output end current data, running parameter is provided with the CPU in the data inputs single chip circuit, compares, judgement, calculation process, by single chip circuit output control signal and shows signal, wherein, the output control signal has the auto switching electric source signal, the signal of cutting off the electricity supply automatically, starter-generator signal, the remote monitoring communication signal, fault alarm sound; When the A electricity just often, the intelligent electric power automatic transfer switch is connected the A electricity automatically, in case it is undesired to detect the A electricity, during as overvoltage, under-voltage, phase shortage or power down, switches to the power supply of B electricity immediately, when the A electricity recovers just often, automatically switches to the power supply of A electricity again; When overcurrent, short circuit, the intelligent electric power automatic transfer switch cuts off power supply rapidly, and the mechanical mechanism in the control its switch is carried out and switched to neutral point (OFF) position, disconnects two groups of power supplies fully, and does not use the protective device with fuse; Shows signal outputs to LCDs, and the LCDs on remote computer and this switching surface shows real-time working state and fault state and alarm condition with Chinese and English.
The beneficial effects of the utility model are; owing to adopted voltage detecting circuit and current detection circuit respectively to input terminal voltage; output end current detects; and the running parameter setting signal that detection signal and running parameter are provided with circuit and provide sent into single chip circuit; by the comparison of the single chip circuit that mainly constitutes by central processor CPU to input signal; judge and calculation process; send control signal to the Switching power drive circuit or the drive circuit of cutting off the electricity supply; the execution work that produces Switching power or cut off the electricity supply with driving device mechanism; also sending shows signal simultaneously gives display circuit and drives LCDs display working condition and failure cause; both can realize switching to neutral point (OFF) guarded by location automatically after the outage; and do not use fuse protectedly, can realize timing monitoring again to operating state.And the COM port that can be connected with remote computer that is provided makes the remote monitoring signal realize that the working condition of remote monitoring circuit becomes possibility; And the warning drive circuit that is adopted can provide alarm signal in the automatic power switch action, provides convenience in time fixing a breakdown; Reached and to have reached the control requirement automatically by the running parameter of setting; the remote monitoring signal is provided; realize the working condition of remote monitoring circuit; and can on switch panel, intuitively use Chinese and English to show real-time working parameter and malfunction and alarm condition; the protection of OFF position is arranged; provide reliable foundation for safeguarding and fixing a breakdown, and the electric current and voltage scope that is provided with is bigger, enlarges the purpose of the switch scope of application.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of intelligent electric power auto-switch circuit device of the present utility model is not limited to embodiment.
Fig. 1 is a schematic block circuit diagram of the present utility model.
Embodiment
Referring to shown in Figure 1, a kind of intelligent electric power auto-switch circuit device of the present utility model is provided with,
Voltage detecting circuit 1, it is that the voltage of mains-supplied power supply (A) input 2 and stand-by power supply power supply (B) input 3 carries out phase voltage and detects that the effect of voltage detecting circuit 1 is two groups of three-phase four-wire power supply power supplys, and input 2 voltage datas and input 3 voltage datas are provided; Current detection circuit 5, the effect of current detection circuit 5 are power output end 4 is carried out current detecting, obtain the outlet line current value, and the load current data promptly are provided; Running parameter is provided with circuit 6, the effect that running parameter is provided with circuit 6 is and can preestablishes running parameter, and output services setting parameter signal, the parameter setting that running parameter is provided with circuit 6 comprises that being provided with segmentation is provided with the input of operating voltage numerical value, the input of overvoltage numerical value, the input of under-voltage numerical value, under-voltage time-delay numerical value switching time input, segmentation are provided with the input of operating current numerical value, times fluxion value input, the input of overcurrent value numerical value; Single chip circuit 7, the effect of single chip circuit 7 is the input terminal voltage data to input, the output end current data, the running parameter setting signal compares, judgement, calculation process, and output control signal and shows signal, single chip circuit 7 mainly comprises central processor CPU, and central processor CPU is provided with input, output port, and its input, output port are connected with input, output signal respectively; Switching power drive circuit 8, the effect of Switching power drive circuit 8 are the Switching power control signal of root a tree name input, and driving device mechanism 10 produces the execution work of switching; The drive circuit 9 of cutting off the electricity supply, the effect of the drive circuit 9 of cutting off the electricity supply are the control signal of cutting off the electricity supply of root a tree name input, and driving device mechanism 10 produces the execution work of cutting off the electricity supply, and makes the contact switch to the OFF position, and does not use fuse protected; Display circuit 12, the effect of display circuit 12 is the shows signal of root a tree name input, drive the liquid crystal display on-screen-display message, display circuit 12 can show the real-time parameter value of setting by Chinese and English, show input power supply phase voltage magnitude of voltage, show out-put supply phase current, overcurrent, times flow valuve, reach failure condition, warning.In voltage detecting circuit 1, the current detection circuit 5 difference line attachments, the output of voltage detecting circuit 1 is connected to the input of single chip circuit 7, the output of current detection circuit 5 is connected to the input of single chip circuit 7, the output that running parameter is provided with circuit 6 is connected to the input of single chip circuit 5, and the output of single chip circuit 5 is connected to Switching power drive circuit 8 respectively, the input of the drive circuit 9 of cutting off the electricity supply, display circuit 12.
Intelligent electric power auto-switch circuit device also can include generator drive circuit 14, and the input of generator drive circuit 14 is connected to the output of single chip circuit 7, and the output of generator drive circuit 14 is connected to generator.
Intelligent electric power auto-switch circuit device also can include the COM port that can be connected with remote computer 11.
Intelligent electric power auto-switch circuit device also can include the warning drive circuit, and the input of warning drive circuit is connected to the output of single chip circuit 7, and the output of warning drive circuit is connected to loud speaker 13.
In actual use, voltage detecting circuit 1 carries out voltage detecting to mains-supplied power supply (A) input 2 and stand-by power supply power supply (B) input 3, obtains the voltage data of input; 5 pairs of power output ends of current detection circuit 4 carry out current detecting, obtain the outlet line current value; Running parameter is provided with circuit 6 and is provided with 7 keys altogether, be respectively: SET (setting), DOWN (subtracting), UP (adding), AUTO/MAN (automatic/hand), STOP (disconnection), BON (B power supply), AON (A power supply), two groups of operational voltage value can be set, scope is the 160-400 volt, low pressure 160-210 volt, high pressure 230-400 volt, when low pressure is set is 180 volts, when high pressure is 230 volts, so, when supply power voltage is lower than 180 volts, for under-voltage, when being higher than 230 volts, be superpressure, under-voltage time-delay switching time can be set; Sectional is provided with operating current, times stream, the mistake flow valuve of output, and current margin is the 100-5000 peace.With the input terminal voltage data, output end current data and running parameter is set, three input data signals are sent into single chip circuit 7, CPU in the single chip circuit 7 to three input signals compare, judgement, calculation process, the output control signal, shows signal, alarm signal, remote monitoring signal.A electricity in the control signal, two groups of switching signals of B electricity are transported to Switching power drive circuit 8 and amplify, the switch-over control signal of two groups of power supplies is passed to mechanical mechanism operating part 10 carries out switching between two groups of power supplies of A, B, if the A power supply meets supply power voltage is set, continuation is powered by A, otherwise switch to the B power supply, after the A supply power voltage recovers normally, automatically switch to the A power supply again.Starter-generator group signal of single chip circuit 7 outputs is given generator drive circuit 14, is generated electricity by generator drive circuit 14 starter-generator groups.The output control signal also has, if load circuit has overcurrent, short trouble, OFF position guard signal of single chip circuit 7 outputs amplifies to the drive circuit 9 of cutting off the electricity supply, then being passed to machinery control operating part 10 disconnects two groups of power supplies rapidly fully, the contact switches to the OFF position, does not use fuse protected; Have accident to handle automatically, loud speaker 13 sends chimes of doom, guarantees the safety of circuit; Also be provided with a COM port and remote computer 11 and join, realize the working condition of remote computer monitoring circuit; Shows signal is transported to display circuit 12 and drives the demonstration of LCDs 12 usefulness Chinese and English, and displaying contents has, the real-time parameter value of setting, and input power supply phase voltage magnitude of voltage, out-put supply phase current, overcurrent, times flow valuve also have failure condition and warning.
Claims (9)
1. intelligent electric power auto-switch circuit device, it is characterized in that: it comprises:
Be used for the voltage of two groups of power supplies is carried out the voltage detecting circuit that phase voltage detects, be used for load current is carried out the current detection circuit of current detecting, be used for that running parameter is carried out predefined running parameter circuit is set, be used for input signal is compared, judge, calculation process is also exported control signal and the single chip circuit of shows signal, be used for the Switching power drive circuit that driving device mechanism produces the Switching power action, be used for driving device mechanism and produce the action of cutting off the electricity supply and make the contact switch to the drive circuit of cutting off the electricity supply of OFF position, be used to drive the display circuit of liquid crystal display on-screen-display message;
In voltage detecting circuit, the current detection circuit difference line attachment, the output of voltage detecting circuit is connected to the input of single chip circuit, the output of current detection circuit is connected to the input of single chip circuit, the output that running parameter is provided with circuit is connected to the input of single chip circuit, and the output of single chip circuit is connected to the Switching power drive circuit respectively, the input of the drive circuit of cutting off the electricity supply, display circuit.
2. intelligent electric power auto-switch circuit device according to claim 1, it is characterized in that: described intelligent electric power auto-switch circuit device also comprises the generator drive circuit, the input of generator drive circuit is connected to the output of single chip circuit, and the output of generator drive circuit is connected to generator.
3. intelligent electric power auto-switch circuit device according to claim 1 is characterized in that: described intelligent electric power auto-switch circuit device also comprises and is provided with the COM port that can be connected with remote computer.
4. intelligent electric power auto-switch circuit device according to claim 1, it is characterized in that: described intelligent electric power auto-switch circuit device also comprises the warning drive circuit, the input of warning drive circuit is connected to the output of single chip circuit, and the output of warning drive circuit is connected to loud speaker.
5. intelligent electric power auto-switch circuit device according to claim 1, it is characterized in that: described running parameter is provided with circuit and comprises that being provided with segmentation is provided with the input of operating voltage numerical value, the input of overvoltage numerical value, the input of under-voltage numerical value, under-voltage time-delay numerical value switching time input, segmentation are provided with the input of operating current numerical value, times fluxion value input, the input of overcurrent value numerical value.
6. intelligent electric power auto-switch circuit device according to claim 1, it is characterized in that: described single chip circuit mainly comprises central processor CPU, central processor CPU is provided with input, output port, and its input, output port are connected with input, output signal respectively.
7. intelligent electric power auto-switch circuit device according to claim 1, it is characterized in that: described display circuit comprises being provided with and shows the real-time parameter value of setting, show input power supply phase voltage magnitude of voltage, show out-put supply phase current, overcurrent, times flow valuve, reach failure condition, warning.
8. according to claim 1 or 7 described intelligent electric power auto-switch circuit devices, it is characterized in that: described display circuit comprises that being provided with Chinese shows the real-time parameter value of setting, show input power supply phase voltage magnitude of voltage, show out-put supply phase current, overcurrent, times flow valuve, reach failure condition, warning.
9. according to claim 1 or 7 described intelligent electric power auto-switch circuit devices, it is characterized in that: described display circuit comprises and is provided with the English display real-time parameter value of setting, show input power supply phase voltage magnitude of voltage, show out-put supply phase current, overcurrent, times flow valuve, reach failure condition, warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03216917 CN2645322Y (en) | 2003-04-30 | 2003-04-30 | Intelligent type power supply automatic transfer switch circuit arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03216917 CN2645322Y (en) | 2003-04-30 | 2003-04-30 | Intelligent type power supply automatic transfer switch circuit arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN2645322Y true CN2645322Y (en) | 2004-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03216917 Expired - Fee Related CN2645322Y (en) | 2003-04-30 | 2003-04-30 | Intelligent type power supply automatic transfer switch circuit arrangement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1879273B (en) * | 2003-09-12 | 2010-12-08 | 通用电气公司 | Automatic transfer switch and protection device |
| CN102185289A (en) * | 2011-05-25 | 2011-09-14 | 重庆新世纪电气有限公司 | Bus coupler charging protection method and system |
| CN101329387B (en) * | 2007-06-20 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Power supply test system |
| CN102570588A (en) * | 2011-12-29 | 2012-07-11 | 安徽鑫龙电器股份有限公司 | Automatic power transfer switch controller and control method thereof |
| CN106160190A (en) * | 2015-04-16 | 2016-11-23 | 深圳市健网科技有限公司 | Electric power system |
| CN106787128A (en) * | 2016-12-13 | 2017-05-31 | 合肥英威晟光电科技有限公司 | Uncooled IRFPAs instrument low-power consumption noisy power system based on Switching Power Supply |
-
2003
- 2003-04-30 CN CN 03216917 patent/CN2645322Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1879273B (en) * | 2003-09-12 | 2010-12-08 | 通用电气公司 | Automatic transfer switch and protection device |
| CN101329387B (en) * | 2007-06-20 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Power supply test system |
| CN102185289A (en) * | 2011-05-25 | 2011-09-14 | 重庆新世纪电气有限公司 | Bus coupler charging protection method and system |
| CN102185289B (en) * | 2011-05-25 | 2013-07-24 | 重庆新世纪电气有限公司 | Bus coupler charging protection method and system |
| CN102570588A (en) * | 2011-12-29 | 2012-07-11 | 安徽鑫龙电器股份有限公司 | Automatic power transfer switch controller and control method thereof |
| CN106160190A (en) * | 2015-04-16 | 2016-11-23 | 深圳市健网科技有限公司 | Electric power system |
| CN106787128A (en) * | 2016-12-13 | 2017-05-31 | 合肥英威晟光电科技有限公司 | Uncooled IRFPAs instrument low-power consumption noisy power system based on Switching Power Supply |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040929 Termination date: 20110430 |