CN204993292U - Household appliance - Google Patents
Household appliance Download PDFInfo
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- CN204993292U CN204993292U CN201520556543.1U CN201520556543U CN204993292U CN 204993292 U CN204993292 U CN 204993292U CN 201520556543 U CN201520556543 U CN 201520556543U CN 204993292 U CN204993292 U CN 204993292U
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- electrical appliance
- household electrical
- circuit
- power supply
- plug terminal
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Abstract
The utility model provides a household appliance, include: range upon range of formula plug, including public spigot that is used for connecting, and with female spigot that public spigot electricity is connected, female spigot is used for being connected with other plugs, the stand -by circuit, the stand -by circuit pass through the power cord with range upon range of formula plug electricity is connected, the stand -by circuit includes trigger circuit and power supply holding circuit, when trigger circuit is triggered, the power supply holding circuit pass through range upon range of formula plug with the power switch -on, so that the power to household appliance's internal circuit power supply. The utility model provides a household appliance has range upon range of formula plug, can supply other electrical apparatus to connect under the limited condition of socket to the potential safety hazard that can effectively avoid giving household appliance's internal circuit power supply for a long time through range upon range of formula plug in the correlation technique and bring.
Description
Technical field
The utility model relates to an electro-technical field, in particular to a kind of household electrical appliance.
Background technology
At present, household electrical appliance become increasingly abundant, but the socket number that house fitting-up is reserved is limited, often there will be the phenomenon that multiple electrical equipment cannot use simultaneously.For this problem, stacked plug is proposed in correlation technique, namely being reserved with in the structure of existing plug can for the socket position of other plug access, and the household electrical appliance possessing this plug can allow other electrical equipment indirectly to access power supply via its plug when self accessing power supply.But this household electrical appliance inside has partial circuit and is linked into power supply for a long time, once household electrical appliance internal components lost efficacy, just safety problem may be caused.
Therefore, how can guarantee that household electrical appliance are under the prerequisite using stacked plug, avoid accessing power supply for a long time and the potential safety hazard that exists becomes technical problem urgently to be resolved hurrily.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art or correlation technique.
For this reason, an object of the present utility model is the household electrical appliance proposing the stacked plug of a kind of use newly, power supply can be connected for other electrical equipment when limited outlets, and the potential safety hazard effectively can avoided being powered to the internal circuit of household electrical appliance for a long time by stacked plug in correlation technique and bring.
For achieving the above object, according to the embodiment of first aspect of the present utility model, propose a kind of household electrical appliance, comprise: stacked plug, comprise the male plug terminal for connecting power supply, and the female plug terminal to be electrically connected with described male plug terminal, described female plug terminal is used for being connected with other plug; Stand-by circuit, described stand-by circuit is electrically connected with described stacked plug by power line, described stand-by circuit comprises circuits for triggering and power supply holding circuit, when described circuits for triggering are triggered, described power supply holding circuit is connected by described stacked plug and described power supply, powers to the internal circuit of described household electrical appliance to make described power supply.
According to the household electrical appliance of embodiment of the present utility model, household electrical appliance possess stacked plug and stand-by circuit simultaneously, when household electrical appliance are switched on power by stacked plug, if the circuits for triggering in stand-by circuit are not triggered, power supply just cannot be powered to the internal circuit of household electrical appliance by the power supply holding circuit in stand-by circuit, avoids and is powered to the internal circuit of household electrical appliance for a long time by stacked plug in correlation technique and the potential safety hazard brought; Meanwhile, when household electrical appliance are without the need to working, although its power line is connected with stacked plug, power supply is not connected with its internal electric source, therefore achieves zero standby.In addition, because household electrical appliance are switched on power by stacked plug, therefore, it is possible to connect power supply when limited outlets for other electrical equipment.
According to the household electrical appliance of above-described embodiment of the present utility model, following technical characteristic can also be had:
According to an embodiment of the present utility model, the first power input of described internal circuit and second source input are connected to described male plug terminal; Described power supply holding circuit comprises: the first switching device, first power input of described internal circuit is connected to the first end of described male plug terminal by described first switching device, or the second source input of described internal circuit is connected to the second end of described male plug terminal by described first switching device; Drive circuit, is connected to described internal circuit and described first switching device, and described drive circuit carries out work for driving described first switching device; Described circuits for triggering comprise: second switch device, and described second switch device is connected in parallel on the two ends of described first switching device.
Particularly, when second switch break-over of device, the internal circuit of household electrical appliance is connected by stacked plug and power supply, and then can drive the first switch device conductive by drive circuit, even if then second switch device disconnects, the internal circuit of household electrical appliance still can be connected with power supply.
According to an embodiment of the present utility model, described second switch device comprises door interlock switch.
Particularly, household electrical appliance can be microwave ovens, and when user opens the fire door of microwave oven, door interlock switch closes, and household electrical appliance and power supply are connected.
According to an embodiment of the present utility model, described first switching device comprises: relay, semiconductor switch.
According to an embodiment of the present utility model, described drive circuit comprises: transistor switch, the base stage of described transistor switch is connected to described internal circuit, the grounded collector of described transistor switch, and the emitter of described transistor switch is connected to the control end of the first switching device.
According to an embodiment of the present utility model, between described male plug terminal and described female plug terminal, be connected with over-current protection device.
According to the household electrical appliance of embodiment of the present utility model, by arranging over-current protection device, the safety in utilization of household electrical appliance can be improved.
According to an embodiment of the present utility model, described over-current protection device comprises: fuse, bi-metal leaf spring.
According to an embodiment of the present utility model, described male plug terminal and described female plug terminal include: three extreme son or secondary terminals.
According to an embodiment of the present utility model, also comprise: condition prompting element, be arranged on described stacked plug, for pointing out over-current state and/or the inserting state of described stacked plug.
According to the household electrical appliance of embodiment of the present utility model, by arranging condition prompting element on stacked plug, user can be taken appropriate measures, with the generation of accident prevention according to the over-current state of condition prompting element prompting and/or inserting state.
According to an embodiment of the present utility model, described condition prompting element comprises: warning light and/or buzzer.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the structural representation of the stacked plug according to an embodiment of the present utility model;
Fig. 2 shows the structural representation of the stand-by circuit according to an embodiment of the present utility model;
Fig. 3 shows the internal structure schematic diagram of the stacked plug according to an embodiment of the present utility model.
Embodiment
In order to more clearly understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from other modes described here and implement, and therefore, protection range of the present utility model is not by the restriction of following public specific embodiment.
As shown in Figure 1 to Figure 3, the utility model proposes a kind of household electrical appliance, comprising: stacked plug 1, comprising the male plug terminal 11 for connecting power supply, and the female plug terminal 12 to be electrically connected with described male plug terminal 11, described female plug terminal 12 is for being connected with other plug; Stand-by circuit 2, described stand-by circuit 2 is electrically connected with described stacked plug 1 by power line, described stand-by circuit 2 comprises circuits for triggering and power supply holding circuit, when described circuits for triggering are triggered, described power supply holding circuit is connected with described power supply by described stacked plug 1, powers to the internal circuit 3 of described household electrical appliance to make described power supply.
Household electrical appliance possess stacked plug 1 and stand-by circuit 2 simultaneously, when household electrical appliance are switched on power by stacked plug 1, if the circuits for triggering in stand-by circuit 2 are not triggered, power supply just cannot be powered by the internal circuit 3 of the power supply holding circuit in stand-by circuit 2 to household electrical appliance, avoids and is powered to the internal circuit 3 of household electrical appliance for a long time by stacked plug 1 in correlation technique and the potential safety hazard brought; Meanwhile, when household electrical appliance are without the need to working, although its power line is connected with stacked plug 1, power supply is not connected with its internal electric source 3, therefore achieves zero standby.In addition, because household electrical appliance are switched on power by stacked plug 1, therefore, it is possible to connect power supply when limited outlets for other electrical equipment.
According to the household electrical appliance of above-described embodiment of the present utility model, following technical characteristic can also be had:
According to an embodiment of the present utility model, the first power input of described internal circuit 3 and second source input are connected to described male plug terminal 11; Described power supply holding circuit comprises: the first switching device 21, first power input of described internal circuit 3 is connected to the first end of described male plug terminal 11 by described first switching device 21, or the second source input of described internal circuit 3 is connected to the second end of described male plug terminal 11 by described first switching device 21; Drive circuit 22, is connected to described internal circuit 3 and described first switching device 21, and described drive circuit 22 carries out work for driving described first switching device 21; Described circuits for triggering comprise: second switch device 23, and described second switch device 23 is connected in parallel on the two ends of described first switching device 21.
Particularly, when 23 conducting of second switch device, the internal circuit 3 of household electrical appliance is connected with power supply by stacked plug 1, and then the first switching device 21 conducting can be driven by drive circuit 22, even if then second switch device 23 disconnects, the internal circuit 3 of household electrical appliance still can be connected with power supply.
According to an embodiment of the present utility model, described second switch device 23 comprises door interlock switch.
Particularly, household electrical appliance can be microwave ovens, and when user opens the fire door of microwave oven, door interlock switch closes, and household electrical appliance and power supply are connected.
According to an embodiment of the present utility model, described first switching device 21 comprises: relay, semiconductor switch.
According to an embodiment of the present utility model, described drive circuit 22 comprises: transistor switch, the base stage of described transistor switch is connected to described internal circuit 3, the grounded collector of described transistor switch, and the emitter of described transistor switch is connected to the control end of the first switching device 21.
Wherein, in the internal circuit 3 of household electrical appliance, the processors such as single-chip microcomputer can be set to control transistor switch.
According to an embodiment of the present utility model, as shown in Figure 3, over-current protection device 4 is connected with between described male plug terminal 11 and described female plug terminal 12.
According to the household electrical appliance of embodiment of the present utility model, by arranging over-current protection device 4, the safety in utilization of household electrical appliance can be improved.
According to an embodiment of the present utility model, described over-current protection device 4 comprises: fuse, bi-metal leaf spring.
According to an embodiment of the present utility model, described male plug terminal 11 and described female plug terminal 12 include: three extreme son or secondary terminals.
According to an embodiment of the present utility model, also comprise: condition prompting element (not shown), be arranged on described stacked plug 1, for pointing out over-current state and/or the inserting state of described stacked plug 1.
By arranging condition prompting element on stacked plug 1, user can be taken appropriate measures, with the generation of accident prevention according to the over-current state of condition prompting element prompting and/or inserting state.
According to an embodiment of the present utility model, described condition prompting element comprises: warning light and/or buzzer.
More than be described with reference to the accompanying drawings the technical solution of the utility model, the utility model proposes the household electrical appliance of the stacked plug of a kind of use newly, power supply can be connected for other electrical equipment when limited outlets, and the potential safety hazard effectively can avoided being powered to the internal circuit of household electrical appliance for a long time by stacked plug in correlation technique and bring.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. household electrical appliance, is characterized in that, comprising:
Stacked plug, comprises the male plug terminal for connecting power supply, and the female plug terminal be electrically connected with described male plug terminal, and described female plug terminal is used for being connected with other plug;
Stand-by circuit, described stand-by circuit is electrically connected with described stacked plug by power line, described stand-by circuit comprises circuits for triggering and power supply holding circuit, when described circuits for triggering are triggered, described power supply holding circuit is connected by described stacked plug and described power supply, powers to the internal circuit of described household electrical appliance to make described power supply.
2. household electrical appliance according to claim 1, is characterized in that, the first power input of described internal circuit and second source input are connected to described male plug terminal;
Described power supply holding circuit comprises:
First switching device, first power input of described internal circuit is connected to the first end of described male plug terminal by described first switching device, or the second source input of described internal circuit is connected to the second end of described male plug terminal by described first switching device;
Drive circuit, is connected to described internal circuit and described first switching device, and described drive circuit carries out work for driving described first switching device;
Described circuits for triggering comprise:
Second switch device, described second switch device is connected in parallel on the two ends of described first switching device.
3. household electrical appliance according to claim 2, is characterized in that, described second switch device comprises door interlock switch.
4. household electrical appliance according to claim 2, is characterized in that, described first switching device comprises: relay, semiconductor switch.
5. household electrical appliance according to claim 2, is characterized in that, described drive circuit comprises:
Transistor switch, the base stage of described transistor switch is connected to described internal circuit, the grounded collector of described transistor switch, and the emitter of described transistor switch is connected to the control end of the first switching device.
6. household electrical appliance according to claim 1, is characterized in that, are connected with over-current protection device between described male plug terminal and described female plug terminal.
7. household electrical appliance according to claim 6, is characterized in that, described over-current protection device comprises: fuse, bi-metal leaf spring.
8. household electrical appliance according to any one of claim 1 to 7, is characterized in that, described male plug terminal and described female plug terminal include: three extreme son or secondary terminals.
9. household electrical appliance according to any one of claim 1 to 7, is characterized in that, also comprise:
Condition prompting element, is arranged on described stacked plug, for pointing out over-current state and/or the inserting state of described stacked plug.
10. household electrical appliance according to claim 9, is characterized in that, described condition prompting element comprises: warning light and/or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556543.1U CN204993292U (en) | 2015-07-27 | 2015-07-27 | Household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556543.1U CN204993292U (en) | 2015-07-27 | 2015-07-27 | Household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993292U true CN204993292U (en) | 2016-01-20 |
Family
ID=55127611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520556543.1U Active CN204993292U (en) | 2015-07-27 | 2015-07-27 | Household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993292U (en) |
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2015
- 2015-07-27 CN CN201520556543.1U patent/CN204993292U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |