CN204832322U - Use electric installation - Google Patents
Use electric installation Download PDFInfo
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- CN204832322U CN204832322U CN201520461157.4U CN201520461157U CN204832322U CN 204832322 U CN204832322 U CN 204832322U CN 201520461157 U CN201520461157 U CN 201520461157U CN 204832322 U CN204832322 U CN 204832322U
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Abstract
The utility model relates to an use electric installation, including first portion, second portion, current -limiting resistor and long -pending electric capacity. It has with external power supply electrical connection's power consumption parts and electric connecting wire, and has the electric shock energy source portion of being made by conducting material to hold in the first portion, and it is connected with at least one power consumption parts is electric to receive the electric energy that power consumption part and/or electric connecting wire leaked. The second portion is not connected with first portion electrical insulation ground, and has and be used for warning the electric shock warning portion that there is the electric leakage in use electric installation, and the part shocks by electricity warning portion and is made by conducting material at least. Current -limiting resistor passes through wire series ground and connects between electric shock energy source portion and electric shock warning portion to restrict the electric current of the electric shock warning portion that flows through. Long -pending electric capacity is connected between electric shock energy source portion and electric shock warning portion with current -limiting resistor in series to store with the release electric charge, thereby give the user the most directly, the electric shock electric leakage warning that is difficult for obscuring most.
Description
Technical field
The utility model relates to power device technology, particularly relates to a kind of power device with leakage warning function.
Background technology
Day by day universal along with power devices such as household electrical appliance (as refrigerator, washing machine, water heater, electromagnetic oven, micro-wave oven, air-conditioning etc.) or industrial electric apparatus, the use safety of people to power device is more and more paid attention to.Due to the factor such as imperfect earth, insulating property are bad or environment for use is moist in power device use procedure, it usually can be caused to leak electricity.The delivery of electrical energy leaked, on the metal shell of power device, when being not intended to the metal shell of contact electrical equipment in people's life, may cause electric shock accidents.
Usually the electronic circuit containing pilot lamp or alarm is adopted to warn user in the mode of light or sound in prior art, on the one hand, because user's schooling height is different, a lot of user often can not this warning message of correct understanding, even the warning of pilot lamp and alarm can attract the user of the specific group such as old man, child, makes the probability of generation Danger Electric shock risk higher; On the other hand, electronic circuit more complicated of the prior art, components and parts are more, and the probability be damaged is higher, and cost is higher.
Utility model content
The purpose of this utility model is intended to overcome at least one defect of the prior art, provides a kind of power device, its electric leakage warning message that can the most original to user by the mode of electric shock, the most directly, the most clearly and not easily be misunderstood and ignore.
To achieve these goals, the utility model provides a kind of power device, comprising:
Part I, the consuming parts be electrically connected with external power source and the electric connection line being connected described consuming parts is accommodated in it, described Part I has the shock energy source portion of being made up of conductive material, it is electrically connected with consuming parts described at least one, to receive the electric energy of described consuming parts and/or the leakage of described electric connection line;
Part II, with described Part I electrical isolation be connected, and have for warn described power device exist electric leakage electric shock warning part, at least part of described electric shock warning part is made up of conductive material;
Current-limiting resistance, is connected between described shock energy source portion and described electric shock warning part, to limit the electric current flowing through described electric shock warning part by wired in series; And
Long-pending electric capacity, and described current-limiting resistance is connected in series between described shock energy source portion and described electric shock warning part, to store the electric charge that transmit to described electric shock warning part by described shock energy source portion, and described electric shock warning part electrical ground time discharge stored by electric charge.
Alternatively, the specification of described current-limiting resistance and described long-pending electric capacity is configured so that the electric current flowing through described electric shock warning part is less than or equal to 5mA.
Alternatively, the resistance of described current-limiting resistance is 50k Ω, and the capacity of described long-pending electric capacity is 0.7 μ F.
Alternatively, described power device also comprises: the photovalve of connecting with described current-limiting resistance and/or electroacoustic component, there is drain conditions with power device described in the mode aid prompting by light and/or sound.
Alternatively, described power device is refrigerator, described refrigerator comprises the casing forming described Part I and the door body forming described Part II, described door body is pivotably connected to described casing by hinge, the mating holes place of described door body and described hinge is arranged with insulation sleeve, to make described door body and described casing electrical isolation.
Alternatively, described shock energy source portion is the hinge connecting described door body and described casing, and described electric shock warning part is the doorframe that is positioned at described door body edge or the handle for door body described in open and/or closed be arranged on described door body.
Alternatively, be provided with female plug cover for the head end that described current-limiting resistance or described long-pending electric capacity are connected to the wire of described hinge, described hinge is provided with for inserting in described female plug cover with the male end inserted sheet making described wire be electrically connected with described hinge.
Alternatively, be attached at described doorframe or described handle for the end described long-pending electric capacity or described current-limiting resistance being connected to the wire of described doorframe or described handle, set up with described doorframe or described handle to make described wire and be electrically connected.
Alternatively, be embedded in described door body described current-limiting resistance and described long-pending electric capacity electrical isolation.
In power device of the present utility model, because its Part I has the shock energy source portion of being made up of conductive material, its Part II has the electric shock warning part be made up of conductive material at least partly, current-limiting resistance and long-pending electric capacity (or claiming energy storage capacitor) is in series with between shock energy source portion and electric shock warning part, therefore, the electric energy that the consuming parts held in Part I and/or electric connection line leak to be originated portion by shock energy, current-limiting resistance and long-pending electric capacity are passed to electric shock warning part, thus the electric shock sense of touch of moment is produced when user touches electric shock warning part, drain conditions is there is to warn this power device of user, be convenient to on-call maintenance.No matter the information that the use of which kind of schooling or type understands this electric shock warning representative per family, thus give user the most original, the most directly, the most clearly and to be not easily misunderstood and the electric leakage warning message ignored.
Further, in power device of the present utility model, due to shock energy source portion and electric shock warning part between be in series with current-limiting resistance, can by flow through electric shock warning part current limit in the safe range that human body can bear, to avoid causing electric shock accidents.
Further, in power device of the present utility model, owing to being in series with long-pending electric capacity between shock energy source portion and electric shock warning part, it can store the electric charge transmitted to electric shock warning part by shock energy source portion, and shock by electricity warning part electrical ground time when warning part (human body touch electric shock) discharge stored by electric charge, thus leak electricity scope less time stored charge, produce electric shock effect in electric shock warning part moment electrical ground, after avoiding electric leakage scope progressively to expand, produce danger.
According to hereafter by reference to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present utility model with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic diagram of the power device according to the utility model embodiment;
Fig. 2 is the schematic diagram of the refrigerator according to the utility model embodiment;
Fig. 3 is the schematic diagram after opening according to the door body of the refrigerator of the utility model embodiment;
Fig. 4 is the schematic diagram of door body according to the refrigerator of the utility model embodiment and hinge.
Embodiment
Fig. 1 is the schematic diagram of the power device 10 according to the utility model embodiment, and power device 10 comprises Part I 110, Part II 120, current-limiting resistance 130 and long-pending electric capacity 140 (or claiming energy storage capacitor).The consuming parts be electrically connected with external power source and the electric connection line being connected this consuming parts is accommodated in Part I 110, and Part I 110 has the shock energy source portion of being made up of conductive material, it is electrically connected with at least one consuming parts, to receive the electric energy of consuming parts and/or electric connection line leakage.Part II 120 is connected with Part I 110 electrical isolation ground, and has the electric shock warning part that there is electric leakage for warning power device 10, and this electric shock warning part is made up of conductive material at least partly.Current-limiting resistance 130 is connected between shock energy source portion and electric shock warning part, to limit the electric current flowing through electric shock warning part by wired in series.Long-pending electric capacity 140 and current-limiting resistance 130 are connected in series in shock energy source portion and shock by electricitys between warning part, to store the electric charge transmitted to electric shock warning part by shock energy source portion, and shock by electricity warning part electrical ground time discharge stored by electric charge.It will be understood by those skilled in the art that shock energy source portion can directly be electrically connected with at least one consuming parts, also connect by other electric conductor Indirect Electros.
In the utility model embodiment, because its Part I 110 has the shock energy source portion of being made up of conductive material, its Part II 120 has the electric shock warning part be made up of conductive material at least partly, current-limiting resistance 130 and long-pending electric capacity 140 is in series with between shock energy source portion and electric shock warning part, therefore, the electric energy that the consuming parts held in Part I 110 and/or electric connection line leak to be originated portion by shock energy, current-limiting resistance 130 and long-pending electric capacity 140 are passed to electric shock warning part, thus the electric shock sense of touch of moment is produced when user touches electric shock warning part, drain conditions is there is to warn this power device of user, be convenient to on-call maintenance.No matter the information that the use of which kind of schooling or type understands this electric shock warning representative per family, thus give user the most original, the most directly, the most clearly and to be not easily misunderstood and the electric leakage warning message ignored.
Further, in the utility model embodiment, shock energy source portion and electric shock warning part between be in series with current-limiting resistance 130, its can by flow through electric shock warning part current limit in the safe range that human body can bear, to avoid causing electric shock accidents.Meanwhile, the utility model only by resistance in series between shock energy source portion and electric shock warning part can when power device leaks electricity to user with the electric leakage warning message of electric shock, structure is simple and be convenient to realize.
Further, those skilled in the art are difficult to it is noted that the leakage current of power device often progressively increases, and electric leakage scope also progressively expands, and in order to reduce or avoid electric shock accidents, need just to send electric leakage warning to user at the early stage of household electrical appliance electric leakage.In the utility model embodiment, owing to being in series with long-pending electric capacity 140 between shock energy source portion and electric shock warning part, it can store the electric charge transmitted to electric shock warning part by shock energy source portion, and shock by electricity warning part electrical ground time when warning part (human body touch electric shock) discharge stored by electric charge, thus leak electricity scope less time stored charge, produce electric shock effect in electric shock warning part moment electrical ground, after avoiding electric leakage scope progressively to expand, produce danger.
In embodiments more of the present utility model, the specification of current-limiting resistance 130 and long-pending electric capacity 140 is configured so that the electric current flowing through electric shock warning part is less than or equal to 5mA.Those skilled in the art are all known, can be no more than 5mA by the safety current size of human body, and that is, the higher limit flowing through the size of current of electric shock warning part is 5mA.When power device 10 exists drain conditions, the specification of current-limiting resistance 130 of the present utility model and long-pending electric capacity 140 selects the safety that can either ensure user, can produce the sensation that significantly shocks by electricity again when user touches electric shock warning part.
Those skilled in the art are also known, and the supply voltage of the power device of the Household appliances such as refrigerator, air-conditioning is 220V, and when power device exists electric leakage, electrical leakage voltage also may be 220V.Therefore, the resistance of current-limiting resistance 130 and the capacity of long-pending electric capacity 140 can carry out calculating rear selection according to electrical leakage voltage and safety current higher limit.Such as, in embodiments more of the present utility model, the resistance of current-limiting resistance 130 can be 50k Ω, and the capacity of long-pending electric capacity 140 can be 0.7 μ F.
In embodiments more of the present utility model, power device 10 also can comprise the photovalve and/or electroacoustic component of connecting with current-limiting resistance 130, there is drain conditions by the mode aid prompting power device 10 of light and/or sound.Light or sound can attract the attention of user, make user be concerned about power device 10, when user touches the electric shock warning part of Part II 120, can determine that power device 10 exists drain conditions.Particularly, photovalve can be light emitting diode, and electroacoustic component can be hummer.
In embodiments more of the present utility model, power device 10 can be the household electrical appliance that refrigerator, air-conditioning, washing machine etc. have leakage warning function, is specifically addressed below for refrigerator.
Fig. 2 is the schematic diagram of the refrigerator according to the utility model embodiment, and Fig. 3 is the schematic diagram after opening according to the door body of the refrigerator of the utility model embodiment.See Fig. 2 and Fig. 3, refrigerator 20 comprises the door body 220 of the casing 210 of the Part I 110 forming power device 10 and the Part II 120 of formation power device 10, and door body 220 is pivotably connected to casing 210 by hinge 221 (with reference to figure 4).Door body 220 is arranged with insulation sleeve (not shown), to make a body 210 and casing 220 electrical isolation with the mating holes place of hinge 221.
Particularly, be limited with room between the storing for stored article in casing 210, and also accommodate the consuming parts such as compressor, heater strip, refrigeration fan, master control borad in casing 210.Set up electrical connection by electric connection line between these consuming parts, and consuming parts is connected with external power source by electric connection line.In embodiments more of the present utility model, the casing of casing 210 can be made up of conductive materials such as metals, and in order to make its outside more attractive in appearance, its casing outside can scribble enamelled coating.
Fig. 4 is the schematic diagram of door body 220 according to the refrigerator 20 of the utility model embodiment and hinge 221, and one end of hinge 221 can be fixed on casing 210, and the other end can be connected to a body 220 pivotly around door-hinge.When power device 10 is specially refrigerator 20, the shock energy source portion of the Part I 110 of power device 10 can be the hinge 221 of connection door body 220 and casing 210, and the electric shock warning part of Part II 120 can be the doorframe 222 being positioned at a body 220 edge or the handle 223 for open and/or closed door body 220 be arranged on a body 220.That is, for the power device of this type of refrigerator 20, connect the casing 210 of refrigerator 20 and the hinge 221 of door body 220 and can be used as shock energy source portion, the doorframe 222 often touched by user in refrigerator 20 use procedure or handle 223 can be used as the electric shock warning part that whether there is electric leakage for reminding user refrigerator 20.Those skilled in the art are all known, and hinge 221, doorframe 222 and handle 223 can be made by conductive material, or are made up of conductive material at least partly.In other embodiment of the utility model, doorframe 222 and/or handle 223 can also be made up of insulating material such as plastics, now, can attach the thin slice be made up of conductive materials such as metals to form electric shock warning part on doorframe 222 and/or handle 223.
Further, current-limiting resistance and long-pending electric capacity are connected between shock energy source portion and electric shock warning part by wired in series, are namely connected in series between hinge 221 and doorframe 222 or handle 223.The position of the utility model embodiment to current-limiting resistance and long-pending electric capacity is not limited in any way, that is, shock energy source portion, current-limiting resistance, long-pending electric capacity and electric shock warning part can be configured to the type of attachment be sequentially connected in series, or shock energy source portion, long-pending electric capacity, current-limiting resistance and electric shock warning part can be configured to the type of attachment that is sequentially connected in series.In other words, current-limiting resistance can directly be electrically connected with shock energy source portion, also directly can be electrically connected with electric shock warning part.
Those skilled in the art are all known, and hinge 221 is normally made up of metal material, and therefore hinge 221 is electrically connected with at least one consuming parts being positioned at casing 210 by the current-carrying part of casing 210.When there is drain conditions in the consuming parts such as the compressor in refrigerator 20, heater strip (such as defrosting heater strip), refrigeration fan, master control borad and/or electric connection line, its electric energy leaked can be transferred on the casing 210 of refrigerator 20, and then transfers to hinge 221 place.Electrical leakage voltage through current-limiting resistance and long-pending electric capacitive transmission to the doorframe 222 of door body 220 or handle 223 place.When human body touch is to doorframe 222 or handle 223, doorframe 222 or handle 223 are by this conductor ground connection of human body, thus the shock energy of moment is produced by the discharge process of long-pending electric capacity, with the sense of touch of electric shock, there is drain conditions to point out this user's refrigerator 20 in the user passing to touch doorframe 222 or handle 223.Thus, the electric energy that the utility model takes full advantage of leakage produces this information warning of electric shock, does not need the power device additional dedicated such as refrigerator to provide power supply, thus reduces the cost of power device and make the structure of power device simpler.
In embodiments more of the present utility model, head end for current-limiting resistance or long-pending electric capacity are connected to the wire of hinge 221 is provided with female plug cover, hinge 221 is provided with for inserting with the male end inserted sheet 2211 making this wire be electrically connected with hinge 221 in female plug cover, thus ensures that the conducting line segment of being drawn by hinge 221 is electrically connected with the reliable of hinge 221.Further, be embedded in door body 220 current-limiting resistance and long-pending electric capacity electrical isolation, neither affect the outward appearance of door body 220, also do not affect the normal use of refrigerator 20.
Further, the end for the wire long-pending electric capacity or current-limiting resistance being connected to doorframe 222 or handle 223 is attached at doorframe 222 or handle 223, to set up be electrically connected to make this wire with doorframe 222 or handle 223.Thus, the wire for connecting long-pending electric capacity or current-limiting resistance can not affect the outward appearance of a body 220.
It will be understood by those skilled in the art that shock energy source portion can also be the miscellaneous part be electrically connected with at least one consuming parts in it of refrigerator 20, the such as casing of casing 210.The miscellaneous part that electric shock warning part often can also touch for the user of refrigerator 20, at least part of structure of this miscellaneous part is made up of conductive material.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present utility model is illustrate and described herein detailed, but, when not departing from the utility model spirit and scope, still can directly determine or derive other modification many or amendment of meeting the utility model principle according to content disclosed in the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or amendments.
Claims (9)
1. a power device, is characterized in that, comprising:
Part I, the consuming parts be electrically connected with external power source and the electric connection line being connected described consuming parts is accommodated in it, described Part I has the shock energy source portion of being made up of conductive material, it is electrically connected with consuming parts described at least one, to receive the electric energy of described consuming parts and/or the leakage of described electric connection line;
Part II, with described Part I electrical isolation be connected, and have for warn described power device exist electric leakage electric shock warning part, at least part of described electric shock warning part is made up of conductive material;
Current-limiting resistance, is connected between described shock energy source portion and described electric shock warning part, to limit the electric current flowing through described electric shock warning part by wired in series; And
Long-pending electric capacity, and described current-limiting resistance is connected in series between described shock energy source portion and described electric shock warning part, to store the electric charge that transmit to described electric shock warning part by described shock energy source portion, and described electric shock warning part electrical ground time discharge stored by electric charge.
2. power device according to claim 1, is characterized in that,
The specification of described current-limiting resistance and described long-pending electric capacity is configured so that the electric current flowing through described electric shock warning part is less than or equal to 5mA.
3. power device according to claim 2, is characterized in that,
The resistance of described current-limiting resistance is 50k Ω, and the capacity of described long-pending electric capacity is 0.7 μ F.
4. power device according to claim 1, is characterized in that, also comprises:
, there is drain conditions with power device described in the mode aid prompting by light and/or sound in the photovalve of connecting with described current-limiting resistance and/or electroacoustic component.
5. the power device according to any one of claim 1-4, is characterized in that,
Described power device is refrigerator, described refrigerator comprises the casing forming described Part I and the door body forming described Part II, described door body is pivotably connected to described casing by hinge, described in described Men Tiyu, the mating holes place of hinge is arranged with insulation sleeve, to make described door body and described casing electrical isolation.
6. power device according to claim 5, is characterized in that,
Described shock energy source portion is the hinge connecting described door body and described casing, and described electric shock warning part is the doorframe that is positioned at described door body edge or the handle for door body described in open and/or closed be arranged on described door body.
7. power device according to claim 6, is characterized in that,
Head end for described current-limiting resistance or described long-pending electric capacity are connected to the wire of described hinge is provided with female plug cover, and described hinge is provided with for inserting in described female plug cover with the male end inserted sheet making described wire be electrically connected with described hinge.
8. power device according to claim 6, is characterized in that,
End for described long-pending electric capacity or described current-limiting resistance being connected to the wire of described doorframe or described handle is attached at described doorframe or described handle, to set up be electrically connected to make described wire with described doorframe or described handle.
9. power device according to claim 5, is characterized in that,
Be embedded in described door body described current-limiting resistance and described long-pending electric capacity electrical isolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461157.4U CN204832322U (en) | 2015-06-30 | 2015-06-30 | Use electric installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461157.4U CN204832322U (en) | 2015-06-30 | 2015-06-30 | Use electric installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204832322U true CN204832322U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520461157.4U Active CN204832322U (en) | 2015-06-30 | 2015-06-30 | Use electric installation |
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| Country | Link |
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| CN (1) | CN204832322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448346A (en) * | 2018-04-19 | 2018-08-24 | 重庆亨厚电子商务有限公司 | E-commerce electric power controller |
-
2015
- 2015-06-30 CN CN201520461157.4U patent/CN204832322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448346A (en) * | 2018-04-19 | 2018-08-24 | 重庆亨厚电子商务有限公司 | E-commerce electric power controller |
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