CN204258426U - For the multiple-way supply circuit of built-in field - Google Patents
For the multiple-way supply circuit of built-in field Download PDFInfo
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- CN204258426U CN204258426U CN201420704089.5U CN201420704089U CN204258426U CN 204258426 U CN204258426 U CN 204258426U CN 201420704089 U CN201420704089 U CN 201420704089U CN 204258426 U CN204258426 U CN 204258426U
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- bridge rectifier
- rectifier diode
- relay
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Abstract
The utility model discloses the multiple-way supply circuit for built-in field, comprise transformer T, bridge rectifier diode D, relay J, diode D1 and single-pole double-throw switch (SPDT) S, described transformer T is while connect AC power Ui, and another side is connected between the port a1 of bridge rectifier diode D and port a3; The port a1 of described bridge rectifier diode D also connects the positive pole of diode D1, the negative pole of diode D1 also connects relay J, the other end ground connection of relay J, the wherein port a4 ground connection of bridge rectifier diode D, at port a2 and multiple diode of connecting successively between earth terminal of bridge rectifier diode D.The utility model, by above-mentioned principle, can be powered to power consumption equipment in several ways, avoids the situation occurring power-off, and realizes the time delay to power supply, is very suitable for using in built-in field, improves the reliability of power supply.
Description
Technical field
The utility model relates to for electrical domain, is specifically related to the multiple-way supply circuit for built-in field.
Background technology
Embedded system (ES) is computer technology, the communication technology, semiconductor technology, microelectric technique, phonogram image data transmission technology, even sensor advanced technology and embody rule object combine after renewal product.Therefore large, the high degree of dispersion of technology-intensive, investment intensity, the knowledge-intensive system of constantly bringing forth new ideas often.Embedded system is user oriented, used for products, application oriented, and it must combine with embody rule just can have vitality, just have more advantage.Therefore embedded system is combined closely with application, and it has very strong specificity, reasonably must reduce utilization in conjunction with requirement in practical systems.He must carry out cutting according to application demand to software and hardware, meets the requirements such as the function of application system, reliability, cost, volume.Due to these features of embedded system, what the power supply used by making in embedded system can be more stable provides supply voltage, and the supply power voltage of now is all too single, easily occurs the situation of power-off, is unfavorable for using in built-in field.
Utility model content
The utility model overcomes the deficiencies in the prior art, be provided for the multiple-way supply circuit of built-in field, can power to power consumption equipment in several ways, avoid the situation occurring power-off, and the time delay realized power supply, be very suitable for using in built-in field, improve the reliability of power supply.
For solving above-mentioned technical problem, the utility model is by the following technical solutions: for the multiple-way supply circuit of built-in field, comprise transformer T, bridge rectifier diode D, relay J, diode D1 and single-pole double-throw switch (SPDT) S, described transformer T is while connect AC power Ui, and another side is connected between the port a1 of bridge rectifier diode D and port a3; The port a1 of described bridge rectifier diode D also connects the positive pole of diode D1, the negative pole of diode D1 also connects relay J, the other end ground connection of relay J, the wherein port a4 ground connection of bridge rectifier diode D, at port a2 and multiple diode of connecting successively between earth terminal of bridge rectifier diode D, at port a2 and multiple electric capacity of also connecting successively between earth terminal of bridge rectifier diode D, the circuit in parallel that the two ends of multiple diode institutes built-up circuit of connecting successively form with multiple electric capacity of connecting successively; The moved end a of described single-pole double-throw switch (SPDT) S connects power output end Uout, the not moved end b of single-pole double-throw switch (SPDT) S connects stabilized power source voltage 24V, c one end, not moved end of single-pole double-throw switch (SPDT) S connects the port a2 of bridge rectifier diode D, and the coil of the other end and relay J is adjacent.Under normal circumstances, after the effect of the 220V alternating voltage that AC power Ui provides by transformer T, being converted into can for the low tension of electrical appliance, then this voltage is passed to rectifier diode D and rectification is carried out to this low tension, the signal waveform leaving voltage is the first half of dextrorotation signal wave, then this voltage signal flow out from the port a4 of bridge rectifier diode D after through the effect of the large 5V diode of multiple grade and electric capacity, voltage signal is converted into stable square-wave signal to export, passes to the not moved end c of switch S.In addition, an alternating voltage part after transformer T process flows in relay J by diode D1, be energized to relay coil, it is made to produce magnetic induction phenomenon, make moved end a and the not moved end c adhesive of switch S, exported by voltage output end Uout by stable voltage after process, supply power consumption equipment uses.When alternating current source cannot supply power time, because relay coil loses magnetic induction phenomenon, the moved end a of switch S then and not moved end c disconnects, be connected with moved end b, thus powered to electrical appliance by 24V steady voltage source, avoid the situation occurring power-off, power supply has certain delay effect simultaneously, the reliability of supply power voltage is improved, and is very suitable for using in built-in field.
Connect successively the large diode D2 and diode D3 such as 2 between the port a2 and earth terminal of bridge rectifier diode D, the plus earth of diode D2.When using minimum device, process being realized to voltage signal, becomes stable square-wave signal.
Connect successively large electric capacity C1 and C2 such as 2 between the port a2 and earth terminal of bridge rectifier diode D, electric capacity C2 ground connection.
The model of described relay J is SSPDT.Better realize work.
Compared with prior art, the beneficial effects of the utility model are:
1, in this circuit by the hypotensive effect of transformer, then bridge rectifier diode is utilized to carry out preliminary rectification to buck current, and then utilize be connected to bridge rectifier diode a2 hold with a4 end between multiple diode and multiple electric capacity, realize being supply electrical appliance after stable square-wave signal to use by the photovoltaic conversion of supply, the reliability of supply power voltage is improved, be very suitable for using in built-in field, also make power supply have certain delay effect simultaneously.
2, wherein the link of switch S utilizes relay to control, and when communication power supply goes wrong, the constant voltage also by providing in addition is powered, and avoids electrical appliance to occur the situation of power-off.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Be further elaborated the utility model below in conjunction with accompanying drawing, embodiment of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1, the utility model comprises transformer T, bridge rectifier diode D, relay J, diode D1 and single-pole double-throw switch (SPDT) S, described transformer T is while connect AC power Ui, and another side is connected between the port a1 of bridge rectifier diode D and port a3; The port a1 of described bridge rectifier diode D also connects the positive pole of diode D1, the negative pole of diode D1 also connects relay J, the other end ground connection of relay J, the wherein port a4 ground connection of bridge rectifier diode D, at port a2 and multiple diode of connecting successively between earth terminal of bridge rectifier diode D, at port a2 and multiple electric capacity of also connecting successively between earth terminal of bridge rectifier diode D, the circuit in parallel that the two ends of multiple diode institutes built-up circuit of connecting successively form with multiple electric capacity of connecting successively; The moved end a of described single-pole double-throw switch (SPDT) S connects power output end Uout, the not moved end b of single-pole double-throw switch (SPDT) S connects stabilized power source voltage 24V, c one end, not moved end of single-pole double-throw switch (SPDT) S connects the port a2 of bridge rectifier diode D, and the coil of the other end and relay J is adjacent.
Under normal circumstances, after the effect of the 220V alternating voltage that AC power Ui provides by transformer T, being converted into can for the low tension of electrical appliance, then this voltage is passed to rectifier diode D and rectification is carried out to this low tension, the signal waveform leaving voltage is the first half of dextrorotation signal wave, then this voltage signal flow out from the port a4 of bridge rectifier diode D after through the effect of the large 5V diode of multiple grade and electric capacity, voltage signal is converted into stable square-wave signal to export, passes to the not moved end c of switch S.In addition, an alternating voltage part after transformer T process flows in relay J by diode D1, be energized to relay coil, it is made to produce magnetic induction phenomenon, make moved end a and the not moved end c adhesive of switch S, exported by voltage output end Uout by stable voltage after process, supply power consumption equipment uses.When alternating current source cannot supply power time, because relay coil loses magnetic induction phenomenon, the moved end a of switch S then and not moved end c disconnects, be connected with moved end b, thus powered to electrical appliance by 24V steady voltage source, avoid the situation occurring power-off, power supply has certain delay effect simultaneously, the reliability of supply power voltage is improved, and is very suitable for using in built-in field.
Embodiment 2:
The present embodiment is preferably as follows on the basis of embodiment 1: connect successively the large diode D2 and diode D3 such as 2 between the port a2 and earth terminal of bridge rectifier diode D, the plus earth of diode D2.When using minimum device, process being realized to voltage signal, becomes stable square-wave signal.
Connect successively large electric capacity C1 and C2 such as 2 between the port a2 and earth terminal of bridge rectifier diode D, electric capacity C2 ground connection.
The model of described relay J is SSPDT.
Just this utility model can be realized as mentioned above.
Claims (4)
1. for the multiple-way supply circuit of built-in field, it is characterized in that: comprise transformer T, bridge rectifier diode D, relay J, diode D1 and single-pole double-throw switch (SPDT) S, described transformer T is while connect AC power Ui, and another side is connected between the port a1 of bridge rectifier diode D and port a3; The port a1 of described bridge rectifier diode D also connects the positive pole of diode D1, the negative pole of diode D1 also connects relay J, the other end ground connection of relay J, the wherein port a4 ground connection of bridge rectifier diode D, at port a2 and multiple diode of connecting successively between earth terminal of bridge rectifier diode D, at port a2 and multiple electric capacity of also connecting successively between earth terminal of bridge rectifier diode D, the circuit in parallel that the two ends of multiple diode institutes built-up circuit of connecting successively form with multiple electric capacity of connecting successively; The moved end a of described single-pole double-throw switch (SPDT) S connects power output end Uout, the not moved end b of single-pole double-throw switch (SPDT) S connects stabilized power source voltage 24V, c one end, not moved end of single-pole double-throw switch (SPDT) S connects the port a2 of bridge rectifier diode D, and the coil of the other end and relay J is adjacent.
2. the multiple-way supply circuit for built-in field according to claim 1, is characterized in that: connect successively the large diode D2 and diode D3 such as 2 between the port a2 and earth terminal of bridge rectifier diode D, the plus earth of diode D2.
3. the multiple-way supply circuit for built-in field according to claim 1, is characterized in that: connect successively large electric capacity C1 and C2 such as 2 between the port a2 and earth terminal of bridge rectifier diode D, electric capacity C2 ground connection.
4. the multiple-way supply circuit for built-in field according to claim 1, is characterized in that: the model of described relay J is SSPDT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420704089.5U CN204258426U (en) | 2014-11-21 | 2014-11-21 | For the multiple-way supply circuit of built-in field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420704089.5U CN204258426U (en) | 2014-11-21 | 2014-11-21 | For the multiple-way supply circuit of built-in field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204258426U true CN204258426U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420704089.5U Expired - Fee Related CN204258426U (en) | 2014-11-21 | 2014-11-21 | For the multiple-way supply circuit of built-in field |
Country Status (1)
| Country | Link |
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| CN (1) | CN204258426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485729A (en) * | 2014-11-21 | 2015-04-01 | 成都嵌智捷科技有限公司 | High-reliability power supply circuit suitable for embedded field |
-
2014
- 2014-11-21 CN CN201420704089.5U patent/CN204258426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485729A (en) * | 2014-11-21 | 2015-04-01 | 成都嵌智捷科技有限公司 | High-reliability power supply circuit suitable for embedded field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20161121 |