CN201374586Y - Dual power supply switcher - Google Patents
Dual power supply switcher Download PDFInfo
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- CN201374586Y CN201374586Y CN200920105546U CN200920105546U CN201374586Y CN 201374586 Y CN201374586 Y CN 201374586Y CN 200920105546 U CN200920105546 U CN 200920105546U CN 200920105546 U CN200920105546 U CN 200920105546U CN 201374586 Y CN201374586 Y CN 201374586Y
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Abstract
The utility model provides a dual power supply switcher, which comprises a main power supply input port, a backup power supply input port, an actuator and a control processor with a memory, wherein the control processor continuously detects voltage of a main power supply input through the main power supply input port and the voltage of a backup power supply input through the backup power supply input port, judges the output power supply according to the voltage detection result and corresponding relationship information among the voltage of the main power supply, the voltage of the backup power supply and the output power supply configured in the memory and then controls the actuator to output the output power supply according to the judgment result, and the output power supply is the main power supply or the backup power supply. The dual power supply switcher can detect the main power supply in real time, when power shortage or power failure occurs, the output power supply is timely switched to the backup power supply, and the corresponding relationship information configured in the memory is easy to be amended, thereby having very strong universality.
Description
Technical field
The utility model relates to a kind of power supply switching device, relates in particular to a kind of two-way and exchanges automatic switching apparatus.
Background technology
At present, a lot of industrial automation systems are higher to the reliability requirement of power supply, if electricity shortage or power down, problem such as can cause that computer equipment resets has a strong impact on the controlled plant safe operation.
Though exist some can be implemented in the power switcher that automaticallyes switch between main power source and stand-by power supply at present, but its logic determines part is to pass through operational amplifier mostly, resistance, simple appliances elements such as diode are built, once finishing, it is also just fixing that this class power switcher carries out the threshold value of switching judging, for example be applicable to that as the need utilization power switcher that the power supply to two alternating current 220V switches realizes automaticallying switch to two power supplys that exchange 110V, then need to change hardware circuit, change electric elements etc., but this is pretty troublesome, and its versatility is relatively poor.And because the time-delay characteristics of these electric elements itself, the time-delay that main power source and stand-by power supply signal are handled the back generation through these electric elements is also bigger, can occur switch untimely problem, and electric elements temperature influence such as resistance is bigger, signal drift is bigger.
In addition, the existing power switcher of being realized by simple relay switches to stand-by power supply in the time of can being implemented in the main power source power down and powers to controlled plant, and the basis for estimation when it switches is generally main power source whether power down takes place.But in the electricity consumption, when power supply lost, voltage generally slowly descended at the scene, and based on the operation principle of relay, this will make the commutation circuit that realizes by simple relay the problem that current supply power voltage can't switch when not enough fast occur.
Therefore, need to propose a kind of duplicate supply switch, solve the problems referred to above.
The utility model content
Based on above-mentioned weak point, the utility model proposes a kind of duplicate supply switch, can detect main power source in real time, when it electricity shortage or power down occur, in time out-put supply is switched to stand-by power supply, and have very strong versatility.
In order to solve the problems of the technologies described above, the utility model provides a kind of duplicate supply switch, comprise main power source input port, stand-by power supply input port, final controlling element and have the processor controls of a memory, this processor controls links to each other with this final controlling element with this main power source input port, this stand-by power supply input port respectively, this final controlling element links to each other with this stand-by power supply input port with this main power source input port respectively, wherein:
The voltage that this processor controls continues to detect the voltage of the main power source of importing by this main power source input port and passes through the stand-by power supply of this stand-by power supply input port input, and according to the judgement of the correspondence relationship information between the main power voltage, backup power source voltage and the out-put supply that dispose in voltage detecting result and this memory out-put supply, control this final controlling element according to judged result then and export this out-put supply, this out-put supply is main power source or stand-by power supply;
This final controlling element, output main power source or stand-by power supply under the control of this control treatment module.
Further, above-mentioned duplicate supply switch also can have following characteristics:
This processor controls comprises step-down rectifying circuit, voltage sample unit and the judgment processing unit that links to each other successively, and this judgment processing unit also links to each other with this memory.
Further, above-mentioned duplicate supply switch also can have following characteristics:
This step-down rectifying circuit to carrying out the step-down rectifier processing by the main power source of this main power source input port input with by the stand-by power supply that this stand-by power supply input port is imported, sends to this voltage sample unit respectively then;
This voltage sample unit has two-way analog/digital acquisition channel at least, and main power source and stand-by power supply after respectively this process step-down rectifier being handled carry out the alternating voltage sampling, and the voltage sample value is sent to this judgment processing unit;
This judgment processing unit, calculate the voltage effective value of main power source and stand-by power supply in real time according to the voltage sample value that receives, then according to the voltage effective value of main power source and stand-by power supply, and the correspondence relationship information of the main power voltage that disposes in this memory, backup power source voltage and out-put supply judges this out-put supply, and controls this final controlling element output main power source or stand-by power supply according to judged result.
Further, above-mentioned duplicate supply switch also can have following characteristics:
This processor controls also comprises a timer, wherein:
This judgment processing unit is when this final controlling element of control output stand-by power supply, as to judge out-put supply be that main power source and this timer do not start, and then starts this timer;
In the timing of this timer, this judgment processing unit is a stand-by power supply as judging out-put supply, then stops and this timer that resets; Otherwise, to constantly, control this final controlling element output main power source at this timer.
Further, above-mentioned duplicate supply switch also can have following characteristics:
Configured corresponding relation information comprises in this memory: when the configuration out-put supply is main power source, and the voltage range of main power source; And the configuration out-put supply is when being stand-by power supply, the voltage range of main power source and the voltage range of stand-by power supply.
Further, above-mentioned duplicate supply switch also can have following characteristics:
This final controlling element is a relay; This control treatment module is to control this relay output main power source or stand-by power supply by the coil voltage of controlling this relay.
Further, above-mentioned duplicate supply switch also can have following characteristics:
When this processor controls is changed to high level with the coil voltage of this relay, this relay closes, output main power source; When this processor controls was changed to low level with the coil voltage of this relay, this relay disconnected, the output stand-by power supply.
Further, above-mentioned duplicate supply switch also can have following characteristics:
Also comprise an alarm processor that links to each other with this processor controls:
Also disposed the alarm threshold value of main power voltage in this memory;
This processor controls also judges whether to report to the police according to the alarm threshold value that disposes in the voltage of detected main power source and the memory, need report to the police as judging, then sends alarm control signal to this alarm processor;
This alarm processor is reported to the police after receiving alarm control signal.
Further, above-mentioned duplicate supply switch also can have following characteristics:
Also comprise a display module that links to each other with this processor controls, this display module comprises two groups of charactrons and/or two LED light, wherein:
This processor controls is also controlled two groups of charactrons and is shown the voltage of the detected main power source of this processor controls and the voltage of stand-by power supply respectively when detecting main power voltage and backup power source voltage; And/or
This processor controls is also controlled the LED light of this main power source or this stand-by power supply correspondence and is lighted when this final controlling element output main power source of control or stand-by power supply.
Further, above-mentioned duplicate supply switch also can have following characteristics:
Also comprise a button or a button in order to this display module is resetted.
Further, above-mentioned duplicate supply switch also can have following characteristics:
This processor controls is single-chip microcomputer or embedded chip.
A kind of duplicate supply switch described in the utility model is compared with existing power switcher, has following advantage:
Correspondence relationship information between this locality configuration and storage main power voltage, backup power source voltage and out-put supply is in order to carry out switching judging, and described correspondence relationship information is easy to revise, and the switching applicable to the power supply of various criterion has very strong versatility;
Adopt the control and treatment chip to carry out switching judging, reduce the time-delay of switching judging, improved the accuracy of switching;
Can be in real time the voltage of main power source be detected judgement,, switch to stand-by power supply in time and power to controlled plant at the undertension of judging main power source or when excessive; Recover judging main power source, and guarantee just current power supply to be switched to main power source under the stable situation of its output, reduce misoperation;
When processor controls breaks down, can guarantee that stand-by power supply can provide operating voltage to controlled plant;
Have Presentation Function, show the voltage of main power source and stand-by power supply in real time to the user, can also indicate the power supply of current output.
Have warning function, can when the voltage of main power source is excessive, carry out alarm.
Have control expansion mouth, can when power output is not enough, increase power output by a described control expansion mouthful external relay.
Description of drawings
Fig. 1 is the block diagram of a kind of duplicate supply switch of the utility model embodiment.
Fig. 2 is the step-down rectifying circuit structure chart in a kind of duplicate supply switch of the utility model embodiment.
Embodiment
The utility model proposes a kind of duplicate supply switch, in order to realize the automatic switchover of two-way Alternating Current Power Supply, it is conceived substantially: in the correspondence relationship information of this locality configuration main power voltage, backup power source voltage and out-put supply, this out-put supply is main power source or stand-by power supply; Continue to detect the voltage of main power source and stand-by power supply, judge out-put supply, then according to judged result output main power source or stand-by power supply according to this correspondence relationship information of testing result and configuration.
Below in conjunction with accompanying drawing the utility model is elaborated.
With reference to figure 1, the figure shows the block diagram of a kind of duplicate supply switch of the utility model embodiment, comprise main power source input port 11, stand-by power supply input port 12, have processor controls 13, final controlling element 14, alarm processor 15 and the display module 16 of a memory 134, wherein: processor controls 13 links to each other with main power source input port 11, stand-by power supply input port 12, final controlling element 14, alarm processor 15 and display module 16 respectively; Final controlling element 14 links to each other with stand-by power supply input port 12 with main power source input port 11 respectively.
To introduce the function of each part mentioned above in detail below:
Main power source input port 11 is used for linking to each other with a main power source, and this main power source is provided respectively to processor controls 13 and final controlling element 14.Stand-by power supply input port 12 is used for linking to each other with a stand-by power supply, and this stand-by power supply is provided respectively to processor controls 13 and final controlling element 14.
This processor controls 13, the voltage that continues to detect the voltage of the main power source of importing by this main power source input port 11 and pass through the stand-by power supply of these stand-by power supply input port 12 inputs, and according to detected main power voltage and backup power source voltage, and the correspondence relationship information between the main power voltage, backup power source voltage, out-put supply of configuration in this memory 134 is judged out-put supply, control this final controlling element 14 these out-put supplies of output according to judged result then, this out-put supply is main power source or stand-by power supply.
Processor controls 13 can further comprise step-down rectifying circuit 131, voltage sample unit 132 and the judgment processing unit 133 that links to each other successively, and judgment processing unit 133 also links to each other with memory 134, wherein:
This step-down rectifying circuit 131 to carrying out the step-down rectifier processing by the main power source of these main power source input port 11 inputs and the stand-by power supply of importing by this stand-by power supply input port 12, sends to this voltage sample unit 132 respectively then.Described step-down rectifying circuit 131 is used for main power source and stand-by power supply are carried out step-down rectifier to export the signal of sampling in suitable voltage sample unit 132, specifically can adopt 2 circuit as shown in Figure 2 respectively main power source and stand-by power supply to be carried out the step-down rectifier processing, the described step-down rectifying circuit of Fig. 2 is made of resistance, bridge circuit and instrument transformer.Can certainly adopt other circuit structures that can realize step-down rectifier, the utility model is not as restriction.
This voltage sample unit 132 has two-way analog/digital acquisition channel at least, and the main power source after respectively this process step-down rectifier being handled and the voltage of stand-by power supply carry out AC sampling, and the voltage sample value is sent to this judgment processing unit 133.In order to improve the speed of switching, preferably, described voltage sample unit 132 can adopt full AC sampling, repeatedly samples in every half cycles, such as 16 times.
This judgment processing unit 133, calculate the voltage effective value of main power source and stand-by power supply in real time according to the voltage sample value that receives, then according to the voltage effective value of main power source and stand-by power supply, and the correspondence relationship information of main power voltage, backup power source voltage and the out-put supply of configuration is judged this out-put supply in this memory 134, and controls this final controlling element 14 output main power source or stand-by power supplies according to judged result.This judgment processing unit 133 is also according to the voltage effective value of main power source, and the alarm threshold value of the main power voltage of configuration judges whether to report to the police in this memory 134, need report to the police as judging, then sends alarm control signals to this alarm processor 15;
In order to guarantee the stability of main power source output voltage effectively, prevent misoperation, preferably, this processor controls 13 can also comprise a timer 135.This judgment processing unit 133 is when these final controlling element 14 output stand-by power supplies of control, as judge out-put supply according to the voltage of detected main power source and stand-by power supply is that main power source and this timer 135 do not start, then start this timer 135, and in the timing of this timer 135, continue to judge out-put supply according to the voltage of detected main power source and stand-by power supply.In the timing of this timer 135, this judgment processing unit 133 is a stand-by power supply as judging out-put supply, then stops and this timer 135 that resets; In the timing of this timer 135, this judgment processing unit 133 is main power source as judging out-put supply, and then the timing at this timer 135 arrives constantly, controls this final controlling element 14 output main power sources.
Memory 134, the correspondence relationship information of the main power voltage of stored configuration, backup power source voltage and out-put supply is carried out switching judging in order to judgment processing unit 133.Configured corresponding relation information can be in the memory 134: when the configuration out-put supply is main power source, and the voltage range of main power source; And the configuration out-put supply is when being stand-by power supply, the voltage range of main power source and the voltage range of stand-by power supply.Judgment processing unit 113 is when carrying out switching judging according to described corresponding relation, not only can when judging the main power source power down, switch, can also switch when too high judging the main power source electricity shortage or power, improved the accuracy of switching, guaranteed the stability of power supply.Preferably, can also dispose the alarm threshold value of main power voltage in this memory 134.Because this correspondence relationship information of configuration is easy to revise in the memory 134, so a kind of duplicate supply switch of the utility model has good versatility.
Above-mentioned processor controls 13 is programmable single chip computer or embedded chip.
Final controlling element 14, output main power source or stand-by power supply under the control of processor controls 13.Described final controlling element 14 can be a relay, and described relay carries out closure or disconnects action according to the height of its coil voltage, with output main power source or stand-by power supply; Processor controls 13 can be controlled described relay output main power source or stand-by power supply by the coil voltage of controlling described relay.Described relay can comprise one or more output port of power source, in order to provide one the tunnel or the identical out-put supply of multichannel.
When preventing main power source generation power down or undertension, processor controls 13 breaks down and causes uncontrollable described relay its output to be switched to the situation of stand-by power supply, preferably, its output is stand-by power supply in the time of can making described relay be in off-state.The coil voltage that is the described relay of processor controls 13 controls is a high voltage, described relay closes, output main power source; The coil voltage of the described relay of processor controls 13 controls is a low-voltage, and described relay disconnects, the output stand-by power supply.Therefore,, can guarantee that also described relay exports stand-by power supply being under the off-state, guarantee power supply controlled plant even the situation that processor controls 13 faults and main power source can't normal power supplies occurs.Certainly, in another embodiment, described final controlling element 14 also can be other gate-controlled switches, contactor etc. for example, and the utility model is not as restriction.
This alarm processor 15 is reported to the police after receiving alarm control signal.
Display module 16 can comprise two groups of charactrons.Processor controls 13 can be controlled described two groups of charactrons and show the voltage of these processor controls 13 detected main power sources and the voltage of stand-by power supply respectively when detecting main power voltage and backup power source voltage.Display module 16 can also comprise two LED light.Processor controls 13 is controlled the LED light of this main power source correspondence and is lighted when these final controlling element 14 these main power sources of output of control, and the LED light of control stand-by power supply correspondence is extinguished; When this final controlling element output stand-by power supply of control, the LED light of control stand-by power supply correspondence is lighted; Controlling the LED light of this main power source correspondence extinguishes.Therefore, can promote user's experience greatly, make the user can know the magnitude of voltage of current main power source and stand-by power supply at a glance, and current out-put supply be main power source or stand-by power supply.Certainly show in many ways, such as, can also replacing two above-mentioned LED light with other two groups of charactrons, to indicate current out-put supply be main power source or stand-by power supply, the utility model is not as restriction.In order to prevent to disturb charactron normally not show at extreme environment, preferably, display module 14 can also comprise a button or a button in order to this display module 14 is resetted.
In addition, power switcher shown in Figure 1 can also comprise one or more control expansion mouthful (not drawing among the figure), one relay mouthful can be linked to each other with main power source, stand-by power supply and processor controls 13 respectively by described control expansion, thereby further increase the power output of described duplicate supply switch.
Introduce a kind of duplicate supply switch of the present utility model in detail with an application example below:
Should use in the example, main power source is with stand-by power supply the power supply that exchanges AC220V voltage is provided, and described duplicate supply switch automaticallyes switch in order to be implemented between main power source and stand-by power supply.Therefore, can be according to the supply power voltage of main power source and stand-by power supply, in memory 134, dispose earlier the correspondence relationship information between main power voltage, backup power source voltage and the out-put supply, specifically can be shown in following form:
| Main power voltage (V) | Backup power source voltage (V) | Out-put supply |
| ＜190V or＞250V | ?＞200V | Stand-by power supply |
| 210V~250V | Main power source |
When promptly disposing out-put supply and being main power source, the voltage range of main power source is 210V to 250V; And the configuration out-put supply is when being stand-by power supply, and the voltage range of main power source is less than 190V or greater than 250V, and the voltage range of stand-by power supply is greater than 200V.
This duplicate supply switch is imported this main power source by the main power source input port, import this stand-by power supply by the stand-by power supply input port, continue to detect and judge the voltage of main power source and stand-by power supply afterwards by processor controls, if the voltage of judging main power source is less than 190V or greater than 250V, judge that then main power source can't provide in order to the voltage of operate as normal for controlled plant, if also judge the output voltage of stand-by power supply greater than 200V this moment, then judging to provide voltage in order to operate as normal to controlled plant by stand-by power supply, control final controlling element output stand-by power supply is to guarantee the normal operation of controlled plant; When final controlling element output stand-by power supply, as the output voltage of judging main power source is greater than 210V and less than 250V, judge that then main power source recovers, can provide voltage for controlled plant in order to operate as normal, in order to guarantee the stability of main power source, prevent misoperation, preferably, processor controls can start a timer, and in the timing of this timer, continue to judge the voltage of main power source, keep greater than 210V and less than 250V if judge the voltage of this main power source, thinking then that main power source is current can provide stable and can guarantee the voltage of operate as normal, control final controlling element output main power source for controlled plant always.
Preferably, can also in memory, dispose the alarm threshold value of main power voltage, 250V for example, processor controls, can be controlled alarm processor and report to the police during greater than 250V at the voltage of judging main power source, occurs unusual with prompting user main power source.
Carry out switching judging based on the correspondence relationship information that adopts processor controls from memory, to obtain main power voltage, backup power source voltage and the out-put supply of configuration in the utility model, reduced by electronic component and built the time-delay that switching judging circuit causes, improved the accuracy of switching.Simultaneously because this corresponding relation is easy to modification, therefore this duplicate supply switch has good versatility, for example, when main power source and stand-by power supply are when the power supply that exchanges 110V voltage is provided, adopt the duplicate supply switch in the above-mentioned application example to automatically switch as need, the correspondence relationship information that only needs to revise between main power voltage, backup power source voltage and the out-put supply that disposes in the memory gets final product, and repeats no more here.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (11)
1, a kind of duplicate supply switch, it is characterized in that, comprise main power source input port, stand-by power supply input port, final controlling element and have the processor controls of a memory, this processor controls links to each other with this final controlling element with this main power source input port, this stand-by power supply input port respectively, this final controlling element links to each other with this stand-by power supply input port with this main power source input port respectively, wherein:
The voltage that this processor controls continues to detect the voltage of the main power source of importing by this main power source input port and passes through the stand-by power supply of this stand-by power supply input port input, and according to the judgement of the correspondence relationship information between the main power voltage, backup power source voltage and the out-put supply that dispose in voltage detecting result and this memory out-put supply, control this final controlling element according to judged result then and export this out-put supply, this out-put supply is main power source or stand-by power supply;
This final controlling element, output main power source or stand-by power supply under the control of this control treatment module.
2, duplicate supply switch as claimed in claim 1 is characterized in that:
This processor controls comprises step-down rectifying circuit, voltage sample unit and the judgment processing unit that links to each other successively, and this judgment processing unit also links to each other with this memory.
3, duplicate supply switch as claimed in claim 2 is characterized in that:
This step-down rectifying circuit to carrying out the step-down rectifier processing by the main power source of this main power source input port input with by the stand-by power supply that this stand-by power supply input port is imported, sends to this voltage sample unit respectively then;
This voltage sample unit has two-way analog/digital acquisition channel at least, and main power source and stand-by power supply after respectively this process step-down rectifier being handled carry out the alternating voltage sampling, and the voltage sample value is sent to this judgment processing unit;
This judgment processing unit, calculate the voltage effective value of main power source and stand-by power supply in real time according to the voltage sample value that receives, then according to the voltage effective value of main power source and stand-by power supply, and the correspondence relationship information of the main power voltage that disposes in this memory, backup power source voltage and out-put supply judges this out-put supply, and controls this final controlling element output main power source or stand-by power supply according to judged result.
4, duplicate supply switch as claimed in claim 3 is characterized in that, this processor controls also comprises a timer, wherein:
This judgment processing unit is when this final controlling element of control output stand-by power supply, as to judge out-put supply be that main power source and this timer do not start, and then starts this timer;
In the timing of this timer, this judgment processing unit is a stand-by power supply as judging out-put supply, then stops and this timer that resets; Otherwise, to constantly, control this final controlling element output main power source at this timer.
5, duplicate supply switch as claimed in claim 1 is characterized in that:
Configured corresponding relation information comprises in this memory: when the configuration out-put supply is main power source, and the voltage range of main power source; And the configuration out-put supply is when being stand-by power supply, the voltage range of main power source and the voltage range of stand-by power supply.
6, duplicate supply switch as claimed in claim 1 is characterized in that:
This final controlling element is a relay; This control treatment module is to control this relay output main power source or stand-by power supply by the coil voltage of controlling this relay.
7, duplicate supply switch as claimed in claim 6 is characterized in that:
When this processor controls is changed to high level with the coil voltage of this relay, this relay closes, output main power source; When this processor controls was changed to low level with the coil voltage of this relay, this relay disconnected, the output stand-by power supply.
8, duplicate supply switch as claimed in claim 1 is characterized in that, also comprises an alarm processor that links to each other with this processor controls:
Also disposed the alarm threshold value of main power voltage in this memory;
This processor controls also judges whether to report to the police according to the alarm threshold value that disposes in the voltage of detected main power source and the memory, need report to the police as judging, then sends alarm control signal to this alarm processor;
This alarm processor is reported to the police after receiving alarm control signal.
9, duplicate supply switch as claimed in claim 1 is characterized in that, also comprises a display module that links to each other with this processor controls, and this display module comprises two groups of charactrons and/or two LED light, wherein:
This processor controls is also controlled two groups of charactrons and is shown the voltage of the detected main power source of this processor controls and the voltage of stand-by power supply respectively when detecting main power voltage and backup power source voltage; And/or
This processor controls is also controlled the LED light of this main power source or this stand-by power supply correspondence and is lighted when this final controlling element output main power source of control or stand-by power supply.
10, duplicate supply switch as claimed in claim 9 is characterized in that:
Also comprise a button or a button in order to this display module is resetted.
11, as any one described duplicate supply switch among the claim 1-10, it is characterized in that:
This processor controls is single-chip microcomputer or embedded chip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920105546U CN201374586Y (en) | 2009-02-24 | 2009-02-24 | Dual power supply switcher |
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| CN200920105546U CN201374586Y (en) | 2009-02-24 | 2009-02-24 | Dual power supply switcher |
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| CN105515172A (en) * | 2015-12-03 | 2016-04-20 | 山东佰测仪表有限公司 | Power supply switching determination method for pressure transmitter |
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