CN201533075U - Power supply socket, power supply plug and electrical device - Google Patents
Power supply socket, power supply plug and electrical device Download PDFInfo
- Publication number
- CN201533075U CN201533075U CN2009202053686U CN200920205368U CN201533075U CN 201533075 U CN201533075 U CN 201533075U CN 2009202053686 U CN2009202053686 U CN 2009202053686U CN 200920205368 U CN200920205368 U CN 200920205368U CN 201533075 U CN201533075 U CN 201533075U
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- filter circuit
- combinational
- electrically connected
- relay
- bridge rectifier
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- 238000001914 filtration Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 1
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Abstract
The utility model provides a power supply socket which comprises a first input end, a first output plug hole, a second input end, a second output plug hole, a bridge type rectification filter circuit, a combined switch circuit and a relay, wherein the bridge type rectification filter circuit comprises a direct current output end, the relay comprises a normally opened contact and a coil, the combined switch circuit is formed by connecting a double-contact interlocking normally opened switch with the normally opened contact of the relay in parallel, the bridge type rectification filter circuit is connected with the combined switch circuit in series, the coil of the relay is electrically connected to the direct current output end of the bridge type rectification filter circuit, the first output plug hole is electrically to the first input end, and the second output plug hole is electrically connected to the combined switch circuit. The utility model also accordingly provides a power supply plug and an electrical device, by utilizing the power supply socket, the power supply plug and the electrical device, when the electricity supply is recovered after service interruption, the electricity can be supplied to electrical equipment only under the condition of needing a user to carry out manual intervention, thereby the waste of electric energy is reduced and the potential safety hazard is avoided.
Description
Technical field
The utility model relates to electronic applications, relates in particular to a kind of supply socket, attaching plug and electric device.
Background technology
Supply socket or the attaching plug that uses generally is to be connected to AC power by two lines (live wire and zero line) or three-way (live wire, zero line and ground wire) at present.Under some situation after supply line hinders power failure for some reason, the user does not in time close the mains switch of electrical equipment, when restoring electricity, this supply socket or attaching plug will be directly to the electric power supply of powered-down switch not, the startup work automatically behind service restoration of electrical equipment this moment, if the user does not use this moment at the scene, then electrical equipment starts the work meeting automatically and causes waste of electric energy, under some extreme case, precipitate voltage current impact can make electrical equipment burn or explodes when restoring electricity, and causes security incident.In sum, owing to not possessing power-off protection function, the supply socket of using at present or attaching plug do not make electrical equipment have waste of energy and potential safety hazard in use.
The utility model content
Problem in view of the prior art existence, the utility model proposes a kind of supply socket, attaching plug and electric device, in the time of can restoring electricity after power failure, needing under the situation of user's manual intervention could be to electric power supply, thereby reduces waste of energy and avoid potential safety hazard.
In order to solve the problems of the technologies described above, the utility model proposes a kind of supply socket, comprise first input end, first output socket, second input and second output socket, also comprise bridge rectifier filter circuit, combinational and relay, described bridge rectifier filter circuit comprises dc output end, described relay comprises normally opened contact and coil, wherein:
Described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay;
The series connection of described bridge rectifier filter circuit and described combinational, and described bridge rectifier filter circuit is electrically connected on described first input end, and described combinational is electrically connected on described second input;
The coil of described relay is electrically connected on the dc output end of described bridge rectifier filter circuit;
Described first output socket is electrically connected on described first input end, and described second output socket is electrically connected on described combinational.
Correspondingly, the utility model has also proposed a kind of attaching plug, comprise first input pin, first output, second input pin and second output, also comprise bridge rectifier filter circuit, combinational and relay, described bridge rectifier filter circuit comprises dc output end, described relay comprises normally opened contact and coil, wherein:
Described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay;
The series connection of described bridge rectifier filter circuit and described combinational, and described bridge rectifier filter circuit is electrically connected on described first input pin, and described combinational is electrically connected on described second input pin;
The coil of described relay is electrically connected on the dc output end of described bridge rectifier filter circuit;
Described first output is electrically connected on described first input pin, and described second output is electrically connected on described combinational.
Correspondingly, the utility model has also proposed a kind of electric device, comprise the electric device body, be used for AC power is sent to the ac cable of described electric device body, with the attaching plug that is positioned at described ac cable front end, described attaching plug comprises first input pin, first output, second input pin and second output, also comprise bridge rectifier filter circuit, combinational and relay, described bridge rectifier filter circuit comprises dc output end, described relay comprises normally opened contact and coil, wherein:
Described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay;
The series connection of described bridge rectifier filter circuit and described combinational, and described bridge rectifier filter circuit is electrically connected on described first input pin, and described combinational is electrically connected on described second input pin;
The coil of described relay is electrically connected on the dc output end of described bridge rectifier filter circuit;
Described first output is electrically connected on described first input pin, and described second output is electrically connected on described combinational.
Implement the utility model embodiment, by bridge rectifier filter circuit, combinational and relay are set in supply socket or attaching plug, described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay; Described bridge rectifier filter circuit and combinational series connection, and be electrically connected on described first input pin (first input end) and described second input pin (second input) respectively, first output (first output socket) is electrically connected on described first input pin (first input end), and second output (second output socket) is electrically connected on described combinational.The coil of described relay is electrically connected on the dc output end of described current rectifying and wave filtering circuit, when after power failure, restoring electricity, the normally opened contact of described relay and double-contact interlock normal open switch all are in off-state, second output (second output socket) is disconnected AC power, need this moment the user to push closed double-contact interlock normal open switch and be communicated with combinational, AC power can be powered to bridge rectifier filter circuit, provide DC power supply to relay coil after the bridge rectifier filter circuit rectification, this normally opened contact of relay coil adhesive, after this because making at double-contact interlock normal open switch, the function of relay self-locking disconnects back normally opened contact continuation conducting, combinational remains in conducting state, second output (second output socket) is connected AC power, make supply socket or attaching plug connect AC power and to electric power supply, therefore can be implemented in when restoring electricity after the power failure, by could be under the situation of user's manual intervention, thereby reduce waste of energy and avoid potential safety hazard to electric power supply.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of supply socket among the utility model embodiment;
Fig. 2 is the structural representation of attaching plug among the utility model embodiment;
Fig. 3 is the structural representation of electric device among the utility model embodiment.
Embodiment
The utility model proposes a kind of supply socket and attaching plug, in the time of can restoring electricity after power failure, needing under the situation of user's manual intervention could be to electric power supply, thereby reduces waste of energy and avoid potential safety hazard.
Fig. 1 is the structural representation of supply socket among the utility model embodiment, comprise first input end 11, first output socket 12, second input 13 and second output socket 14, also comprise reduction voltage circuit 15, bridge rectifier filter circuit 16, combinational 17, relay 18 and filter circuit of pressure-stabilizing 19, bridge rectifier filter circuit 16 comprises ac input end 161 and dc output end 162, relay 18 comprises normally opened contact 181 and coil 182, wherein:
17 series connection of bridge rectifier filter circuit 16 and combinational, and bridge rectifier filter circuit 16 is electrically connected on described first input end 11, and combinational 17 is electrically connected on described second input 13;
Herein, bridge rectifier filter circuit 16 ac input ends 161 are electrically connected on first input end 11 and combinational 17 respectively during concrete enforcement, in addition, reduction voltage circuit 15 can also be set, reduction voltage circuit 15 is connected with bridge rectifier filter circuit 16 and combinational 17, be used to reduce the voltage of the ac input end 161 that is input to bridge rectifier filter circuit 16, reduction voltage circuit 15 is arranged between first input end 11 and the bridge rectifier filter circuit 16 in the present embodiment, reduction voltage circuit 15 can be composed in parallel by resistance 151 and electric capacity 152, also can be the bleeder circuit that is made of resistance.The first input end 11 and second input 13 can be respectively live wire input and zero line input, also can be respectively zero line input and live wire input.
The coil 182 of relay 18 is electrically connected on the dc output end 162 of bridge rectifier filter circuit 16;
, when specifically implementing, filter circuit of pressure-stabilizing 19 can also be set herein, be electrically connected on the dc output end 162 of current rectifying and wave filtering circuit 16 after the coil of filter circuit of pressure-stabilizing 19 and relay 182 is in parallel; Filter circuit of pressure-stabilizing 19 is composed in parallel by voltage stabilizing didoe 191 and filter capacitor 192, can provide galvanic current to press to the coil 182 of relay 18.
Herein, first output socket 12 and second output socket 14 are the socket of supply socket, pin that can ccontaining attaching plug, when first input end 11 and second input 13 are respectively live wire input and zero line input, first output socket 12 and second output socket 14 are respectively live wire output socket and zero line output socket.
Below operation principle of the present utility model is further described, the first input end 11 and second input 13 are electrically connected on AC power, when having a power failure, because the coil 182 of relay 18 does not have electric current to pass through, therefore the coil 182 of relay 18 can not adhesive normally opened contact 181, therefore combinational 17 is in off-state, when restoring electricity, combinational 17 is in off-state because second output socket 14 is electrically connected on combinational 17, second output socket 14 and second input 13 are not connected, therefore not energising of supply socket, when the user pushes double-contact interlock normal open switch 171, combinational 17 conductings, the first input end 11 and second input 13 provide AC power for bridge rectifier filter circuit 16,16 pairs of AC power of bridge rectifier filter circuit carry out that the coil 182 for relay 18 provides direct voltage after the rectification, this moment, coil 182 had electric current to pass through to produce magnetic field, adhesive normally opened contact 181, normally opened contact 181 closed conductings, owing to have auto-lock function after relay 18 energisings, after the user unclamps double-contact interlock normal open switch 171, the still closed conducting of normally opened contact 181, combinational 17 is in conducting state, second output socket 14 and second input 13 are connected, supply socket is in "on" position, thereby be implemented in when restoring electricity after the power failure, needing under the situation of user's manual intervention could be to electric power supply, thereby reduces waste of energy and avoid potential safety hazard.
Fig. 2 is the structural representation of attaching plug among the utility model embodiment, comprise housing 20, first input pin 21, first output 22, second input pin 23 and second output 24, also comprise reduction voltage circuit 15, bridge rectifier filter circuit 16, combinational 17, relay 18 and filter circuit of pressure-stabilizing 19, bridge rectifier filter circuit 16 comprises ac input end 161 and dc output end 162, relay 18 comprises normally opened contact 181 and coil 182, wherein:
17 series connection of bridge rectifier filter circuit 16 and combinational, and bridge rectifier filter circuit 16 is electrically connected on described first input pin 21, and combinational 17 is electrically connected on described second input pin 23;
Herein, bridge rectifier filter circuit 16 ac input ends 161 are electrically connected on first input end 11 and combinational 17 respectively during concrete enforcement, in addition, reduction voltage circuit 15 can also be set, reduction voltage circuit 15 is connected with bridge rectifier filter circuit 16 and combinational 17, be used to reduce the voltage of the ac input end 161 that is input to bridge rectifier filter circuit 16, reduction voltage circuit 15 is arranged between first input pin 21 and the bridge rectifier filter circuit 16 in the present embodiment, reduction voltage circuit 15 can be composed in parallel by resistance and electric capacity, also can be the bleeder circuit that is made of resistance.First input pin 21 and second input pin 23 can be respectively live wire input pin and zero line input pin, also can be respectively zero line input pin and live wire input pin, first input pin 21 and second input pin 23 can reach the pin that the outside forms for the inside from plug body.
The coil 182 of relay 18 is electrically connected on the dc output end 162 of bridge rectifier filter circuit 16;
, when specifically implementing, filter circuit of pressure-stabilizing 19 can also be set herein, be electrically connected on the dc output end 162 of current rectifying and wave filtering circuit 16 after the coil of filter circuit of pressure-stabilizing 19 and relay 182 is in parallel; Filter circuit of pressure-stabilizing 19 is composed in parallel by voltage stabilizing didoe 191 and filter capacitor 192, can provide galvanic current to press to the coil 182 of relay 18.
Herein, first output 22 can be used for being connected ac cable with second output 24, when first input pin 21 and second input pin 23 are respectively live wire input pin and zero line input pin, first output 22 and second output 24 are respectively live wire output and zero line output.
Need to prove that attaching plug is identical with the operation principle of described supply socket among the utility model embodiment, is not described in detail in this.
Fig. 3 is the structural representation of electric device among the utility model embodiment, comprise electric device body 31, be used for AC power is sent to the ac cable 32 of described electric device body, with the attaching plug 2 that is positioned at described ac cable front end, comprise housing 20, first input pin 21, first output 22, second input pin 23 and second output 24, also comprise reduction voltage circuit 15, bridge rectifier filter circuit 16, combinational 17, relay 18 and filter circuit of pressure-stabilizing 19, bridge rectifier filter circuit 16 comprises ac input end 161 and dc output end 162, relay 18 comprises normally opened contact 181 and coil 182, wherein:
17 series connection of bridge rectifier filter circuit 16 and combinational, and bridge rectifier filter circuit 16 is electrically connected on described first input pin 21, and combinational 17 is electrically connected on described second input pin 23;
Herein, bridge rectifier filter circuit 16 ac input ends 161 are electrically connected on first input end 11 and combinational 17 respectively during concrete enforcement, in addition, reduction voltage circuit 15 can also be set, reduction voltage circuit 15 is connected with bridge rectifier filter circuit 16 and combinational 17, be used to reduce the voltage of the ac input end 161 that is input to bridge rectifier filter circuit 16, reduction voltage circuit 15 is arranged between first input pin 21 and the bridge rectifier filter circuit 16 in the present embodiment, reduction voltage circuit 15 can be composed in parallel by resistance and electric capacity, also can be the bleeder circuit that is made of resistance.First input pin 21 and second input pin 23 can be respectively live wire input pin and zero line input pin, also can be respectively zero line input pin and live wire input pin, first input pin 21 and second input pin 23 can reach the pin that the outside forms for the inside from plug body.
The coil 182 of relay 18 is electrically connected on the dc output end 162 of bridge rectifier filter circuit 16;
, when specifically implementing, filter circuit of pressure-stabilizing 19 can also be set herein, be electrically connected on the dc output end 162 of current rectifying and wave filtering circuit 16 after the coil of filter circuit of pressure-stabilizing 19 and relay 182 is in parallel; Filter circuit of pressure-stabilizing 19 is composed in parallel by voltage stabilizing didoe 191 and filter capacitor 192, can provide galvanic current to press to the coil 182 of relay 18.
Herein, first output 22 can be used for being connected ac cable with second output 24, when first input pin 21 and second input pin 23 are respectively live wire input pin and zero line input pin, first output 22 and second output 24 are respectively live wire output and zero line output.
Need to prove that attaching plug is identical with the operation principle of described supply socket among the utility model embodiment, is not described in detail in this.
In sum, implement the utility model embodiment, by bridge rectifier filter circuit, combinational and relay are set in supply socket or attaching plug, described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay; Described bridge rectifier filter circuit and combinational series connection, and be electrically connected on described first input pin (first input end) and described second input pin (second input) respectively, the coil of described relay is electrically connected on the dc output end of described current rectifying and wave filtering circuit, when after power failure, restoring electricity, the normally opened contact of described relay and double-contact interlock normal open switch all are in off-state, supply socket or attaching plug are disconnected AC power, need this moment the user to push closed double-contact interlock normal open switch and be communicated with combinational, AC power can be powered to bridge rectifier filter circuit, provide DC power supply to relay coil after the bridge rectifier filter circuit rectification, this normally opened contact of relay coil adhesive, after this because making at double-contact interlock normal open switch, the function of relay self-locking disconnects back normally opened contact continuation conducting, combinational remains in conducting state, make supply socket or attaching plug connect AC power and to electric power supply, therefore can be implemented in when restoring electricity after the power failure, by could be under the situation of user's manual intervention, thereby reduce waste of energy and avoid potential safety hazard to electric power supply.
Above disclosed only is a kind of preferred embodiment of the utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (9)
1. supply socket, comprise first input end, first output socket, second input and second output socket, it is characterized in that, also comprise bridge rectifier filter circuit, combinational and relay, described bridge rectifier filter circuit comprises dc output end, described relay comprises normally opened contact and coil, wherein:
Described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay;
The series connection of described bridge rectifier filter circuit and described combinational, and described bridge rectifier filter circuit is electrically connected on described first input end, and described combinational is electrically connected on described second input;
The coil of described relay is electrically connected on the dc output end of described bridge rectifier filter circuit;
Described first output socket is electrically connected on described first input end, and described second output socket is electrically connected on described combinational.
2. supply socket as claimed in claim 1 is characterized in that, also comprises:
Filter circuit of pressure-stabilizing is electrically connected on the dc output end of described current rectifying and wave filtering circuit behind the coils from parallel connection of coils of described filter circuit of pressure-stabilizing and described relay; Described filter circuit of pressure-stabilizing is composed in parallel by voltage stabilizing didoe and filter capacitor.
3. supply socket as claimed in claim 2 is characterized in that, also comprises:
Reduction voltage circuit, described reduction voltage circuit is connected with described bridge rectifier filter circuit and combinational, and described reduction voltage circuit is composed in parallel by resistance and electric capacity.
4. attaching plug, comprise first input pin, first output, second input pin and second output, it is characterized in that, also comprise bridge rectifier filter circuit, combinational and relay, described bridge rectifier filter circuit comprises dc output end, described relay comprises normally opened contact and coil, wherein:
Described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay;
The series connection of described bridge rectifier filter circuit and described combinational, and described bridge rectifier filter circuit is electrically connected on described first input pin, and described combinational is electrically connected on described second input pin;
The coil of described relay is electrically connected on the dc output end of described bridge rectifier filter circuit;
Described first output is electrically connected on described first input pin, and described second output is electrically connected on described combinational.
5. attaching plug as claimed in claim 4 is characterized in that, also comprises:
Filter circuit of pressure-stabilizing is electrically connected on the dc output end of described current rectifying and wave filtering circuit behind the coils from parallel connection of coils of described filter circuit of pressure-stabilizing and described relay; Described filter circuit of pressure-stabilizing is composed in parallel by voltage stabilizing didoe and filter capacitor.
6. attaching plug as claimed in claim 5 is characterized in that, also comprises:
Reduction voltage circuit, described reduction voltage circuit is connected with described bridge rectifier filter circuit and combinational, and described reduction voltage circuit is composed in parallel by resistance and electric capacity.
7. electric device, comprise the electric device body, be used for AC power is sent to the ac cable of described electric device body, with the attaching plug that is positioned at described ac cable front end, described attaching plug comprises first input pin, first output, second input pin and second output, it is characterized in that, also comprise bridge rectifier filter circuit, combinational and relay, described bridge rectifier filter circuit comprises dc output end, described relay comprises normally opened contact and coil, wherein:
Described combinational is composed in parallel by the normally opened contact of double-contact interlock normal open switch and described relay;
The series connection of described bridge rectifier filter circuit and described combinational, and described bridge rectifier filter circuit is electrically connected on described first input pin, and described combinational is electrically connected on described second input pin;
The coil of described relay is electrically connected on the dc output end of described bridge rectifier filter circuit;
Described first output is electrically connected on described first input pin, and described second output is electrically connected on described combinational.
8. electric device as claimed in claim 7 is characterized in that, also comprises:
Filter circuit of pressure-stabilizing is electrically connected on the dc output end of described current rectifying and wave filtering circuit behind the coils from parallel connection of coils of described filter circuit of pressure-stabilizing and described relay; Described filter circuit of pressure-stabilizing is composed in parallel by voltage stabilizing didoe and filter capacitor.
9. electric device as claimed in claim 8 is characterized in that, also comprises:
Reduction voltage circuit, described reduction voltage circuit is connected with described bridge rectifier filter circuit and combinational, and described reduction voltage circuit is composed in parallel by resistance and electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202053686U CN201533075U (en) | 2009-09-29 | 2009-09-29 | Power supply socket, power supply plug and electrical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202053686U CN201533075U (en) | 2009-09-29 | 2009-09-29 | Power supply socket, power supply plug and electrical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533075U true CN201533075U (en) | 2010-07-21 |
Family
ID=42528475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202053686U Expired - Fee Related CN201533075U (en) | 2009-09-29 | 2009-09-29 | Power supply socket, power supply plug and electrical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533075U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594129A (en) * | 2011-01-08 | 2012-07-18 | 深圳市澳地特电气技术有限公司 | A Charging Control Method and Realization Circuit for Inverter DC Bus Capacitor |
| CN106301021A (en) * | 2016-08-17 | 2017-01-04 | 杨洋 | Medical electric power electronic machine DC source |
| CN109904904A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | Portable Power System |
-
2009
- 2009-09-29 CN CN2009202053686U patent/CN201533075U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594129A (en) * | 2011-01-08 | 2012-07-18 | 深圳市澳地特电气技术有限公司 | A Charging Control Method and Realization Circuit for Inverter DC Bus Capacitor |
| CN106301021A (en) * | 2016-08-17 | 2017-01-04 | 杨洋 | Medical electric power electronic machine DC source |
| CN109904904A (en) * | 2017-12-08 | 2019-06-18 | 南京德朔实业有限公司 | Portable Power System |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100721 Termination date: 20120929 |