CN104283202A - Surge suppression and electric spark elimination structure of power connection device - Google Patents
Surge suppression and electric spark elimination structure of power connection device Download PDFInfo
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- CN104283202A CN104283202A CN201410503659.9A CN201410503659A CN104283202A CN 104283202 A CN104283202 A CN 104283202A CN 201410503659 A CN201410503659 A CN 201410503659A CN 104283202 A CN104283202 A CN 104283202A
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- conducting strip
- power supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
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Abstract
A surge suppression and electric spark elimination structure of a power connection device is characterized in that a first electric contact, a second electric contact, a cut-off point conducting movable switch arm and at least one RC circuit are arranged between the input end and the output end of the power connection device. When the power connection device is powered on, the movable switch arm moves from a cut-off point to make electric contact with the first electric contact, the circuits of the power connection device are powered on at the same time, and the surge generated when the power connection device is powered on is suppressed through the RC circuits; the movable switch arm moves to the second electric contact after being subjected to time delay and makes electric contact with the first electric contact and the second electric contact simultaneously; when the power connection device is powered off, the movable switch arm moves from the second electric contact to the first electric contact, electric sparks generated when the power connection device is powered off are eliminated through the RC circuits, and the movable switch arm moves to the cut-off point after being subjected to time delay, so that the power connection device is disconnected from a power supply. The surge suppression and electric spark elimination structure can effectively suppress and eliminate the surge generated when the power connection device is powered on and the electric sparks generated when the power connection device is powered off, and is simple in structure, low in production cost and wide in application range.
Description
[technical field]
The present invention relates to the power supply connecting device of electronics, electric equipment, particularly relate to a kind of surge suppression of the power supply connecting device producing surge when power supply is connected and eliminate generation electric spark when power supply disconnects and electric spark of suppressing and eliminate structure.
[background technology]
In electronics and electric equipment products, widely use the power supply connecting device of various connection power consumption equipment and power supply, as power supply changeover device, mains switch, supply socket etc.When using this kind of device, connect moment at power supply and often can produce a larger surge current, i.e. so-called surge, surge is also a lot of electric equipment products, as one of major reason that incandescent lamp burns out.For this reason, surgesuppressor is developed to solve the problem.Existing surgesuppressor not only complex structure and cost is higher, cannot wide popularization and application.In addition, when by mains switch deenergization, because the inductive load on circuit can produce a reverse high pressure, cause producing electric spark between switch contact, electric spark can burn out contact, also can bring interference to electrical network.
[summary of the invention]
The present invention is intended to solve the problem, and provides a kind of surge when can effectively suppress power supply to be connected and the electric spark eliminated when power supply disconnects, and structure is simple, and cost is low, and the surge suppression of power supply connecting device applied widely and electric spark eliminate structure.
For achieving the above object, the surge suppression and the electric spark that the invention provides a kind of power supply connecting device eliminate structure, it is characterized in that, the first electric contact is provided with between the input and output of power supply connecting device, second electric contact and cut-off point, and power supply connecting device input be provided with a conduction movable switch arm be connected with power supply and at least one RC circuit between output, when switching on power, described movable switch arm moves and first and the first electric contact electrical contact by cut-off point, conducting simultaneously contains the power supply connecting device circuit of RC circuit, surge when being connected power supply by RC circuit is suppressed, described movable switch arm moves to the second electric contact after time delay, and simultaneously with the first electric contact and the second electric contact electrical contact, when deenergization, described movable switch arm moves to the first electric contact by the second electric contact, the inverse electromotive force produced by absorbing load by described RC circuit and the electric spark eliminated when power supply disconnects, described movable switch arm moves to cut-off point after time delay, and power supply connecting device and power supply are disconnected.
Power supply connecting device is supply socket, it comprises the first conducting strip, the second conducting strip shifted to install with the first conducting strip, contacts with the first conducting strip and the second conducting strip or the movable switch arm that departs from and at least one the RC circuit be connected between the first conducting strip and the second conducting strip.
Power supply connecting device is mains switch, it comprises the first conducting strip, the second conducting strip shifted to install with the first conducting strip, the movable switch arm contacted with the first conducting strip and the second conducting strip or depart from and at least one the RC circuit be connected between the first conducting strip and the second conducting strip, the contact jaw of described movable switch arm and the first conducting strip and the second conducting strip is provided with arc brace, and it sequentially contacts with the second conducting strip with the first conducting strip with the mobile of movable switch arm or depart from.
Power supply connecting device is key switch, it comprises button, the electroconductive elastic sheet of arc, insulation board and at least one RC circuit, described electroconductive elastic sheet one end is fixed on described insulation board, and be connected with power supply, electroconductive elastic sheet is provided with the first electric contact and the second electric contact, insulation board be provided with respectively with the first fixed contact and second fixed contact of described first electric contact and the second electric contact electrical contact, first fixed contact and the second fixed contact are electrically connected with described RC circuit respectively, when a key is pressed, first electric contact elder generation of described electroconductive elastic sheet and the first fixed contact electrical contact, and conducting contains RC circuit (power supply connecting device circuit, surge when being connected power supply by RC circuit is suppressed, electroconductive elastic sheet moves to and the second fixed contact electrical contact after time delay, and when unclamping electroconductive elastic sheet, it resets by the elastic, and electric spark when being disconnected by described RC circuit for eliminating power supply.
Described movable switch arm is attaching plug, and its one end is connected with power line, and the other end is contact jaw.
Described cut-off point be movable switch arm depart from power supply connecting device certain a bit.
First conducting strip and the second conducting strip shift to install along the moving direction of described movable switch arm, movable switch arm is made to contact the first conducting strip, the second conducting strip or the second conducting strip, the first conducting strip sequentially respectively, one end of described first conducting strip is free end, the other end is connected with the resistance R of RC circuit, one end of described second conducting strip is free end, and the other end is connected with the electric capacity C of RC circuit.
RC electricity routing resistance R is connected in series with electric capacity C and forms, and wherein, the two ends of resistance R are connected with the first conducting strip and electric capacity C respectively, and the other end of electric capacity C is connected with the second conducting strip.
Contribution of the present invention is, its efficiently solve to suppress as how the simplest structure and cheap cost and eliminate power supply connecting device power supply connect produce surge instantaneously and at deenergization time be easy to produce the problem of electric spark.The present invention, by arranging RC circuit and three tie points between the input and output of power supply connecting device, surge when not only can effectively suppress power supply connecting device to be connected, also can suppress electric spark when disconnecting.The features such as structure of the present invention possesses skills simply, with low cost, applied widely.
[accompanying drawing explanation]
Fig. 1 is the supply socket circuit theory diagrams that the movable switch arm of embodiments of the invention 1 is in cut-off point.
Fig. 2 is the supply socket circuit theory diagrams that the movable switch arm of embodiments of the invention 1 is in the first electric contact.
Fig. 3 is the supply socket circuit theory diagrams that the movable switch arm of embodiments of the invention 1 is in the second electric contact.
Fig. 4 is the power switch structure schematic diagram that the movable switch arm of embodiments of the invention 2 is in cut-off point.
Fig. 5 is the power switch structure schematic diagram that the movable switch arm of embodiments of the invention 2 is in the first electric contact.
Fig. 6 is the power switch structure schematic diagram that the movable switch arm of embodiments of the invention 2 is in the second electric contact.
Fig. 7 is the key switch structure schematic diagram that the electroconductive elastic sheet of embodiments of the invention 3 is in cut-off point.
Fig. 8 is the key switch structure schematic diagram that the electroconductive elastic sheet of embodiments of the invention 3 is in the first electric contact.
Fig. 9 is the key switch structure schematic diagram that the electroconductive elastic sheet of embodiments of the invention 3 is in the second electric contact.
[embodiment]
The following example is further explanation of the present invention, does not constitute any limitation the present invention.
Consult Fig. 1 ~ Fig. 9, the surge suppression of power supply connecting device of the present invention and electric spark are eliminated structure and are comprised power supply connecting device 10, movable switch arm 20 and RC circuit 30, described power supply connecting device 10 can be supply socket, also can be mains switch, can also be key switch.The first electric contact 121, second electric contact 131 and cut-off point 11 is provided with between the input A and output B of power supply connecting device 10, and power supply connecting device 10 input A be provided with a conduction movable switch arm 20 and at least one RC circuit 30 be connected with power supply between output B, when switching on power, described movable switch arm 20 moves and first and the first electric contact 121 electrical contact by cut-off point 11, conducting simultaneously contains the power supply connecting device circuit of RC circuit 30, and surge when being connected by RC circuit 30 pairs of power supplys is suppressed; Described movable switch arm 20 moves to the second electric contact 131 after time delay, and simultaneously with the first electric contact 121 and the second electric contact 131 electrical contact; When deenergization, described movable switch arm 20 moves to the first electric contact 121 by the second electric contact 131, the inverse electromotive force produced by absorbing load by described RC circuit 30 and the electric spark eliminated when power supply disconnects, described movable switch arm 20 moves to cut-off point 11 after time delay, and power supply connecting device 10 and power supply are disconnected.Below in conjunction with drawings and Examples, the present invention is described in more detail.
Embodiment 1
In the present embodiment, described power supply connecting device 10 is supply socket.This supply socket 10 comprises the first conducting strip 12, second conducting strip 13, movable switch arm 20 and RC circuit 30.
As shown in FIG. 1 to 3, this supply socket 10 has power input A and power output end B, and wherein, power input A is connected with external power source, and power output end B is connected with load.The first electric contact 121, second electric contact 131 and cut-off point 11 is provided with between the input A and output B of supply socket 10.In the present embodiment, described first electric contact 121 is formed by the first conducting strip 12, and the second electric contact 131 is formed by the second conducting strip 13.As shown in Fig. 4 ~ Fig. 6, described first conducting strip 12 and the second conducting strip 13 are conductive copper sheet, and one end of the first conducting strip 12 is free end, and the other end is connected with the resistance R of RC circuit 30, one end of described second conducting strip 13 is free end, and the other end is connected with the electric capacity C of RC circuit 30.Described first conducting strip 12 and the second conducting strip 13 shift to install along the moving direction of described movable switch arm 20, making movable switch arm 20 when switching on power, contacting the first conducting strip 12, second conducting strip 13 sequentially respectively; Cut-off point 11 is moved to by the second conducting strip 13 through the first conducting strip 12 when deenergization.Described cut-off point 11 is a certain virtual point that movable switch arm 20 departs from power supply connecting device.
In Fig. 1 ~ Fig. 3, between the input A and output B of supply socket 10, be provided with a movable switch arm 20 and RC circuit 30.The bar shaped plates that described movable switch arm 20 is made for metal material, its one end is connected with power line, and its free end is then the contact jaw contacted with the second conducting strip 13 with described first conducting strip 12.In the present embodiment, described movable switch arm 20 is attaching plug, and its one end is connected with power line, and the other end is contact jaw.Described movable switch arm 20 insert supply socket 10 time, respectively from cut-off point 11 order and the first electric contact 121 and the second electric contact 131 electrical contact.When movable switch arm 20 touches the first electric contact 121, RC circuit 30 is switched on, supply socket 10 is through movable switch arm 20, RC circuit 30 for being connected to the load supplying of output B, and meanwhile, described RC circuit 30 can suppress the surge that circuit ON moment produces.Movable switch arm 20 moves to the second electric contact 131 after time delay, and now, with the first electric contact 121 and the second electric contact 131 electrical contact while of movable switch arm 20, the complete conducting of circuit of supply socket 10, now, RC circuit 30 only plays circuit connection function.Described RC circuit 30 can be any known RC circuit, and it can be a RC circuit, also can be multiple RC circuit in parallel.In the present embodiment, described RC circuit 30 to be connected in series with electric capacity C by resistance R and to form, and wherein, the two ends of resistance R are connected with the first conducting strip 12 and electric capacity C respectively, and the other end of electric capacity C is connected with the second conducting strip 13.In the moment of the circuit ON of power supply connecting device 10, this RC circuit 30 circuit capable of inhibiting because exceeding the transient overvoltage of normal working voltage and the surge produced, to ensure the fail safe of electricity consumption.In the moment that the circuit of power supply connecting device 10 disconnects, described RC circuit 30 can eliminate the electric spark because inductive load produces.
Fig. 1 ~ Fig. 3 shows the course of work that structure of the present invention switches on power.As Fig. 1, when described cut-off point 11, circuit is in off-state, and namely mains switch or supply socket are closed, and is that switch or socket switch on power the initial condition of process.At described movable switch arm 20, namely attaching plug inserts in the process of supply socket, and movable switch arm 20 is inserted by the cut-off point 11 be positioned at outside supply socket.As Fig. 2, Fig. 3, switching on power in process, first movable switch arm 20 touches the first electric contact 121, power supply is switched on through RC circuit 30, as Fig. 2, when the moment of the circuit turn-on of supply socket 10, described RC circuit 30 can suppress because circuit exceeds the transient overvoltage of normal working voltage and the surge produced.As Fig. 3, after of short duration time delay, movable switch arm 20 moves to the second electric contact 131, and now, movable switch arm 20 contacts with the second electric contact 131 with the first electric contact 121 simultaneously, makes the complete conducting of the circuit of supply socket 10.
Switching on power in process, described movable switch arm 20 is T=T1+T2+T3 from the traveling time of cut-off point 11 to the second electric contact 131; Wherein T1 is that movable switch arm 20 moves to the time of the first electric contact 121 from cut-off point 11, T2 is the turn-on time (time of staying) of movable switch arm 20 at the first electric contact 121, and T3 is that movable switch arm 20 moves to the time of the second electric contact 131 from the first electric contact 121.In the above-mentioned time, the time of T2 is as far as possible long, and its numerical value should be RC<T2<3RC, and wherein, R is the value of resistance in circuit, and C is the value of electric capacity in circuit.T3 in the above-mentioned time is zero, contacts simultaneously realize by making movable switch arm 20 with the first electric contact 121 with the second electric contact 131.
When described movable switch arm 20 moves to the second electric contact 131 from the first electric contact 121, first via the RC circuit powering load be connected with the first electric contact 121, because there is the existence of RC circuit, so the surge current of circuit is inhibited.After elapsed time T2, it is just inoperative that movable switch arm 20 touches the second electric contact 13, RC circuit.In fact, the process that movable switch arm 20 moves to the second electric contact 131 from cut-off point 11 through the first electric contact 121 is continuous print, during actual use, and the existence of imperceptible first electric contact 121 of people.When described movable switch arm 20 moves to and contacts with the second electric contact 131, power supply connecting device 10 is just in on-state, and now the resistance of power supply connecting device is zero theoretically, and namely in power supply connecting device, related devices does not affect load.
When wanting deenergization, described movable switch arm 20 first moves to the first electric contact 121 by the second electric contact 131, cut-off point 11 is moved to again by the first electric contact 121, supply socket is extracted by movable switch arm 20, supply socket 10 and power supply are disconnected, eliminates the electric spark because inductive load produces by described RC circuit 30 simultaneously.
Embodiment 2
In the present embodiment, described power supply connecting device 10 is mains switch, and its basic structure is with embodiment 1.As shown in Fig. 4 ~ Fig. 6, this mains switch 10 comprises the first conducting strip 12, second conducting strip 13, movable switch arm 20 and RC circuit 30.Described first conducting strip 12 shifts to install along the moving direction of movable switch arm 20, makes movable switch arm 20 when switching on power, and contacts the first conducting strip 12, second conducting strip 13 sequentially respectively; Cut-off point 11 is moved to by the second conducting strip 13 through the first conducting strip 12 when deenergization.Described cut-off point 11 is a certain virtual point that movable switch arm 20 departs from power supply connecting device.One end of described movable switch arm 20 is hinged in the housing (not shown) of mains switch 10, the contact jaw of movable switch arm 20 and the first conducting strip 12 and the second conducting strip 13 is provided with arc brace 21, this contact jaw can rotate around pin joint respectively, makes described arc brace 21 contact or depart from the first conducting strip 12 with the second conducting strip 13 with the mobile order of movable switch arm 20.When movable switch arm 20 by the first conducting strip 12 move to contact with the second conducting strip 13 with the first conducting strip 12 simultaneously time, power switch circuit is fully turned on.Its power supply disconnects process with embodiment 1.
Between the first conducting strip 12 and the second conducting strip 13, be connected with RC circuit 30, its structure and function are with embodiment 1.
Embodiment 3
In the present embodiment, described power supply connecting device 10 is key switch, and its basic structure is with embodiment 1.As shown in Fig. 7 ~ Fig. 9, this key switch 10 comprises button 14, the electroconductive elastic sheet 15 of arc, insulation board 16 and RC circuit 30, described electroconductive elastic sheet 15 one end is fixed on described insulation board 16, and be connected with power supply, described electroconductive elastic sheet 15 is provided with the first electric contact 151 and the second electric contact 152, be provided with at insulation board 16 and be electrically connected with described RC circuit 30 respectively with the first fixed contact 161 of described first electric contact 151 and the second electric contact 152 electrical contact and the second fixed contact 162, first fixed contact 161 and the second fixed contact 162 respectively.When push button 14 time, the first electric contact 151 of described electroconductive elastic sheet 15 first with the first fixed contact 161 electrical contact, and conducting contains the power supply connecting device circuit of RC circuit 30, and surge when being connected by RC circuit 30 pairs of power supplys is suppressed; Electroconductive elastic sheet 15 moves to and the second fixed contact 162 electrical contact after time delay, and turn-on power circuit.When unclamping electroconductive elastic sheet 15, it resets by the elastic, and eliminates electric spark when power supply disconnects by described RC circuit 30.
Although by above embodiment to invention has been announcement, protection scope of the present invention is not limited thereto, under the condition not departing from the present invention's design, all will fall in right of the present invention the distortion, replacement etc. that above each component does.
Claims (8)
1. the surge suppression of a power supply connecting device and electric spark eliminate structure, it is characterized in that, the first electric contact (121) is provided with between the input (A) and output (B) of power supply connecting device (10), second electric contact (131) and cut-off point (11), and input (A) in power supply connecting device (10) be provided with a conduction movable switch arm (20) be connected with power supply and at least one RC circuit (30) between output (B), when switching on power, described movable switch arm (20) is moved and first and the first electric contact (121) electrical contact by cut-off point (11), conducting simultaneously contains the power supply connecting device circuit of RC circuit (30), surge when being connected power supply by RC circuit (30) is suppressed, described movable switch arm (20) moves to the second electric contact (131) after time delay, and simultaneously with the first electric contact (121) and the second electric contact (131) electrical contact, when deenergization, described movable switch arm (20) moves to the first electric contact (121) by the second electric contact (131), the inverse electromotive force produced by absorbing load by described RC circuit (30) and the electric spark eliminated when power supply disconnects, described movable switch arm (20) moves to cut-off point (11) after time delay, and power supply connecting device (10) and power supply are disconnected.
2. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterized in that, described power supply connecting device (10) is supply socket, it comprises the first conducting strip (12), the second conducting strip (13) shifted to install with the first conducting strip (12), contacts with the first conducting strip (12) and the second conducting strip (13) or the movable switch arm (20) that departs from and at least one the RC circuit (30) be connected between the first conducting strip (12) and the second conducting strip (13).
3. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterized in that, described power supply connecting device (10) is mains switch, it comprises the first conducting strip (12), the second conducting strip (13) shifted to install with the first conducting strip (12), the movable switch arm (20) contacted with the first conducting strip (12) and the second conducting strip (13) or depart from and at least one the RC circuit (30) be connected between the first conducting strip (12) and the second conducting strip (13), described movable switch arm (20) is provided with arc brace (21) with the contact jaw of the first conducting strip (12) and the second conducting strip (13), it sequentially contacts with the second conducting strip (13) with the first conducting strip (12) with the mobile of movable switch arm (20) or depart from.
4. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterized in that, described power supply connecting device (10) is key switch, it comprises button (14), the electroconductive elastic sheet (15) of arc, insulation board (16) and at least one RC circuit (30), described electroconductive elastic sheet (15) one end is fixed on described insulation board (16), and be connected with power supply, electroconductive elastic sheet (15) is provided with the first electric contact (151) and the second electric contact (152), insulation board (16) be provided with respectively with the first fixed contact (161) and second fixed contact (162) of described first electric contact (151) and the second electric contact (152) electrical contact, first fixed contact (161) and the second fixed contact (162) are electrically connected with described RC circuit (30) respectively, when push button (14) time, first electric contact (151) elder generation and the first fixed contact (161) electrical contact of described electroconductive elastic sheet (15), and conducting contains the power supply connecting device circuit of RC circuit (30), surge when being connected power supply by RC circuit (30) is suppressed, electroconductive elastic sheet (15) moves to and the second fixed contact (162) electrical contact after time delay, when unclamping electroconductive elastic sheet (15), it resets by the elastic, and eliminates electric spark when power supply disconnects by described RC circuit (30).
5. the surge suppression of power supply connecting device as claimed in claim 2 and electric spark eliminate structure, and it is characterized in that, described movable switch arm (20) is attaching plug, and its one end is connected with power line, and the other end is contact jaw.
6. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterized in that, described cut-off point (11) be movable switch arm (20) depart from power supply connecting device certain a bit.
7. as claimed in claim 2 or claim 3 the surge suppression of power supply connecting device and electric spark eliminate structure, it is characterized in that, described first conducting strip (12) and the second conducting strip (13) shift to install along the moving direction of described movable switch arm (20), movable switch arm (20) is made to contact the first conducting strip (12) sequentially respectively, second conducting strip (13) or the second conducting strip (13), first conducting strip (12), one end of described first conducting strip (12) is free end, the other end is connected with the resistance R of RC circuit (30), one end of described second conducting strip (13) is free end, the other end is connected with the electric capacity C of RC circuit (30).
8. the surge suppression of power supply connecting device as claimed in claim 7 and electric spark eliminate structure, it is characterized in that, described RC circuit (30) to be connected in series with electric capacity C by resistance R and to form, wherein, the two ends of resistance R are connected with the first conducting strip (12) and electric capacity C respectively, and the other end of electric capacity C is connected with the second conducting strip (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503659.9A CN104283202B (en) | 2014-09-26 | 2014-09-26 | The surge suppression of power supply connecting device and electric spark eliminate structure |
| PCT/CN2014/093593 WO2016045200A1 (en) | 2014-09-26 | 2014-12-11 | Surge suppression and electric spark elimination structure of power connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503659.9A CN104283202B (en) | 2014-09-26 | 2014-09-26 | The surge suppression of power supply connecting device and electric spark eliminate structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104283202A true CN104283202A (en) | 2015-01-14 |
| CN104283202B CN104283202B (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410503659.9A Active CN104283202B (en) | 2014-09-26 | 2014-09-26 | The surge suppression of power supply connecting device and electric spark eliminate structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104283202B (en) |
| WO (1) | WO2016045200A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653225A (en) * | 2021-01-18 | 2021-04-13 | 山东理工大学 | Intelligent power management system powered by photovoltaic cell |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401485B (en) * | 2017-04-06 | 2021-12-14 | 青岛海信宽带多媒体技术有限公司 | Optical module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273799A (en) * | 1995-03-31 | 1996-10-18 | Mitsubishi Materials Corp | Surge absorber for power supply |
| CN1215906A (en) * | 1997-10-28 | 1999-05-05 | 罗宏基 | Electric appliance switch contact system |
| CN103117193A (en) * | 2013-01-24 | 2013-05-22 | 上海友邦工业控制***有限公司 | Relay provided with internally-arranged protective circuit |
| CN204205584U (en) * | 2014-09-26 | 2015-03-11 | 蒋胜泉 | The surge suppression of power supply connecting device and electric spark eliminate structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916991A (en) * | 2010-08-25 | 2010-12-15 | 友达光电股份有限公司 | Absorption circuit for restraining impact current |
-
2014
- 2014-09-26 CN CN201410503659.9A patent/CN104283202B/en active Active
- 2014-12-11 WO PCT/CN2014/093593 patent/WO2016045200A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08273799A (en) * | 1995-03-31 | 1996-10-18 | Mitsubishi Materials Corp | Surge absorber for power supply |
| CN1215906A (en) * | 1997-10-28 | 1999-05-05 | 罗宏基 | Electric appliance switch contact system |
| CN103117193A (en) * | 2013-01-24 | 2013-05-22 | 上海友邦工业控制***有限公司 | Relay provided with internally-arranged protective circuit |
| CN204205584U (en) * | 2014-09-26 | 2015-03-11 | 蒋胜泉 | The surge suppression of power supply connecting device and electric spark eliminate structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112653225A (en) * | 2021-01-18 | 2021-04-13 | 山东理工大学 | Intelligent power management system powered by photovoltaic cell |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016045200A1 (en) | 2016-03-31 |
| CN104283202B (en) | 2018-03-16 |
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