CN104283202B - The surge suppression of power supply connecting device and electric spark eliminate structure - Google Patents
The surge suppression of power supply connecting device and electric spark eliminate structure Download PDFInfo
- Publication number
- CN104283202B CN104283202B CN201410503659.9A CN201410503659A CN104283202B CN 104283202 B CN104283202 B CN 104283202B CN 201410503659 A CN201410503659 A CN 201410503659A CN 104283202 B CN104283202 B CN 104283202B
- Authority
- CN
- China
- Prior art keywords
- conducting strip
- power supply
- contact
- electric
- switch arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Keying Circuit Devices (AREA)
Abstract
A kind of surge suppression of power supply connecting device and electric spark eliminate structure, it is characterised in that the first electric contact, the second electric contact, cut-off point conduction movable switch arm and at least one RC circuits are provided between the input of power supply connecting device and output end.When switching on power, movable switch arm is moved to by cut-off point and made electrical contact with the first electric contact, simultaneously turns on power supply connecting device circuit, and surge during by RC circuits to power on suppresses；Movable switch arm is moved to the second electric contact after delay, and is made electrical contact with simultaneously with the first electric contact and the second electric contact；In deenergization, movable switch arm is moved to the first electric contact by the second electric contact, and electric spark when being disconnected by RC circuit for eliminating power supply, movable switch arm is moved to cut-off point after delay, power supply connecting device is disconnected with power supply.Electric spark when surge and power supply when the present invention can effectively suppress and eliminate power on disconnect, and it is simple in construction, production cost is low, applied widely.
Description
【Technical field】
The present invention relates to electronics, the power supply connecting device of electric equipment, can suppress to connect in power supply more particularly to one kind
The surge suppression and electric spark that the power supply connecting device that electric spark is produced when surge and elimination power supply disconnection is produced when logical eliminate knot
Structure.
【Background technology】
In electronics and electric equipment products, the power supply connecting device of various connection electrical equipments and power supply is widely used, such as
Power supply changeover device, power switch, power outlet etc..During using this kind of device, a comparison can be often produced in power on moment
Big surge current, i.e., so-called surge, surge are also one of many electric equipment products, the major reason burnt out such as incandescent lamp.Therefore,
Surgesuppressor is developed to solve the above problems.Existing surgesuppressor is not only complicated and cost is higher, nothing
Method wide popularization and application.In addition, when by power switch deenergization, because the inductive load on circuit can produce one instead
To high pressure, cause to produce electric spark between switch contact, electric spark can burn out contact, and interference can be also brought to power network.
【The content of the invention】
Present invention seek to address that above mentioned problem, and a kind of surge when can effectively suppress power on is provided and eliminates power supply
Electric spark during disconnection, and it is simple in construction, cost is low, and the surge suppression of power supply connecting device applied widely and electric spark disappear
Except structure.
To achieve the above object, the present invention provides a kind of surge suppression of power supply connecting device and electric spark eliminates structure,
Characterized in that, the first electric contact, the second electric contact and disconnection are provided between the input of power supply connecting device and output end
Point, and provided with a conductive movable switch arm being connected with power supply between the input of power supply connecting device and output end and extremely
A few RC circuit, when switching on power, the movable switch arm is mobile by cut-off point and is first connect with the first electric contact electricity
Touch, simultaneously turn on the power supply connecting device circuit containing RC circuits, surge during by RC circuits to power on suppresses；
The movable switch arm is moved to the second electric contact after delay, and is made electrical contact with simultaneously with the first electric contact and the second electric contact；
In deenergization, the movable switch arm is moved to the first electric contact by the second electric contact, passes through absorption by the RC circuits
Inverse electromotive force caused by load and eliminate electric spark when power supply disconnects, the movable switch arm is moved to disconnection after delay
Point, power supply connecting device is set to be disconnected with power supply.
Power supply connecting device is power outlet, and it includes the first conducting strip, is led with the first conducting strip shifts to install second
Electric piece, the movable switch arm for contacting or departing from the first conducting strip and the second conducting strip and is connected to the first conducting strip and is led with second
At least one RC circuits between electric piece.
Power supply connecting device is power switch, and it includes the first conducting strip, is led with the first conducting strip shifts to install second
Electric piece, the movable switch arm for contacting or departing from the first conducting strip and the second conducting strip and is connected to the first conducting strip and is led with second
At least one RC circuits between electric piece, the movable switch arm and the contact jaw of the first conducting strip and the second conducting strip are provided with arc
Shape connection sheet, it contacts or departed from the first conducting strip and the second conducting strip with the mobile order of movable switch arm.
Power supply connecting device is key switch, and it includes button, the electroconductive elastic sheet of arc, insulation board and at least one RC
Circuit, described electroconductive elastic sheet one end is fixed on the insulation board, and is connected with power supply, and electroconductive elastic sheet is provided with the first electric contact
With the second electric contact, insulation board be provided with the first stationary contact for being made electrical contact with respectively with first electric contact and the second electric contact and
Second stationary contact, the first stationary contact and the second stationary contact electrically connect with the RC circuits respectively, when a key is pressed, the conduction
First electric contact of shell fragment first makes electrical contact with the first stationary contact, and containing RC circuits, (power supply connecting device circuit, passes through for conducting
Surge when RC circuits are to power on suppresses；Electroconductive elastic sheet is moved to after delay to be made electrical contact with the second stationary contact, pine
When opening electroconductive elastic sheet, it resets by the elastic, and electric spark when being disconnected by the RC circuit for eliminating power supply.
The movable switch arm is attaching plug, and its one end is connected with power line, and the other end is contact jaw.
The cut-off point is the certain point that movable switch arm departs from power supply connecting device.
The moving direction of first conducting strip and the second conducting strip along the movable switch arm shifts to install so that movable switch
Arm sequentially contacts the first conducting strip, the second conducting strip or the second conducting strip, the first conducting strip respectively, and described first is conductive
One end of piece is free end, and the other end is connected with the resistance R of RC circuits, and one end of second conducting strip is free end, separately
One end is connected with the electric capacity C of RC circuits.
RC electricity routing resistance R concatenate with electric capacity C to be formed, wherein, resistance R both ends respectively with the first conducting strip and electric capacity C
It is connected, the electric capacity C other end is connected with the second conducting strip.
The contribution of the present invention is that it is efficiently solved as how simplest structure and cheap cost suppress and eliminated
The problem of power supply connecting device produces surge in power on moment and is easy to generation electric spark in deenergization.The present invention is logical
Cross and RC circuits and three tie points are set between the input of power supply connecting device and output end, not only can effectively suppress power supply
Surge when attachment means are connected, may also suppress electric spark during disconnection.The structure of the present invention has technology simple, and cost is low
It is honest and clean, it is applied widely the features such as.
【Brief description of the drawings】
Fig. 1 is that the movable switch arm of embodiments of the invention 1 is in the power outlet circuit theory diagrams of cut-off point.
Fig. 2 is that the movable switch arm of embodiments of the invention 1 is in the power outlet circuit theory diagrams of the first electric contact.
Fig. 3 is that the movable switch arm of embodiments of the invention 1 is in the power outlet circuit theory diagrams of the second electric contact.
Fig. 4 is that the movable switch arm of embodiments of the invention 2 is in the power switch structure schematic diagram of cut-off point.
Fig. 5 is that the movable switch arm of embodiments of the invention 2 is in the power switch structure schematic diagram of the first electric contact.
Fig. 6 is that the movable switch arm of embodiments of the invention 2 is in the power switch structure schematic diagram of the second electric contact.
Fig. 7 is that the electroconductive elastic sheet of embodiments of the invention 3 is in the key switch structure schematic diagram of cut-off point.
Fig. 8 is that the electroconductive elastic sheet of embodiments of the invention 3 is in the key switch structure schematic diagram of the first electric contact.
Fig. 9 is that the electroconductive elastic sheet of embodiments of the invention 3 is in the key switch structure schematic diagram of the second electric contact.
【Embodiment】
The following example is further explanation of the present invention, and the present invention is not limited in any way.
Refering to Fig. 1~Fig. 9, the surge suppression of power supply connecting device of the invention and electric spark eliminate structure and connected including power supply
Connection device 10, movable switch arm 20 and RC circuits 30, described power supply connecting device 10 can be power outlet or electricity
Source switch, it can also be key switch.Connect between the input A and output end B of power supply connecting device 10 provided with the first electricity
The 121, second electric contact 131 of point and cut-off point 11, and one is provided between the input A and output end B of power supply connecting device 10
The individual conductive movable switch arm 20 being connected with power supply and at least one RC circuits 30, when switching on power, the movable switch arm
20 move by cut-off point 11 and are first made electrical contact with the first electric contact 121, simultaneously turn on the power supply connection containing RC circuits 30
Device circuit, surge during by RC circuits 30 to power on suppress；The movable switch arm 20 moves after delay
To the second electric contact 131, and made electrical contact with simultaneously with the first electric contact 121 and the second electric contact 131；It is described in deenergization
Movable switch arm 20 is moved to the first electric contact 121 by the second electric contact 131, is produced by the RC circuits 30 by absorbing load
Inverse electromotive force and eliminate electric spark when power supply disconnects, the movable switch arm 20 is moved to cut-off point 11 after delay,
Power supply connecting device 10 is set to be disconnected with power supply.Below in conjunction with the accompanying drawings and embodiment is described in more detail to the present invention.
Embodiment 1
In the present embodiment, the power supply connecting device 10 is power outlet.The power outlet 10 include the first conducting strip 12,
Second conducting strip 13, movable switch arm 20 and RC circuits 30.
As shown in FIG. 1 to 3, the power outlet 10 has power input A and power output end B, wherein, power input
End A is connected with external power source, and power output end B connects with load.Set between the input A and output end B of power outlet 10
There are the first electric contact 121, the second electric contact 131 and cut-off point 11.In the present embodiment, first electric contact 121 is led by first
Electric piece 12 is formed, and the second electric contact 131 is formed by the second conducting strip 13.As shown in Fig. 4~Fig. 6, the He of the first conducting strip 12
Second conducting strip 13 is 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 circuits 30
Connect, one end of second conducting strip 13 is free end, and the other end is connected with the electric capacity C of RC circuits 30.Described first is conductive
Moving direction of the conducting strip 13 of piece 12 and second along the movable switch arm 20 is shifted to install so that movable switch arm 20 is being connected
During power supply, the first conducting strip 12, the second conducting strip 13 are sequentially contacted respectively；In deenergization by the second conducting strip 13
Cut-off point 11 is moved to through the first conducting strip 12.The cut-off point 11 is that movable switch arm 20 departs from a certain of power supply connecting device
Virtual point.
In Fig. 1~Fig. 3, a movable switch arm 20 and RC are provided between the input A and output end B of power outlet 10
Circuit 30.The movable switch arm 20 is that bar shaped plates, its one end made of metal material are connected with power line, its freedom
End is then the contact jaw contacted with the conducting strip 13 of the first conducting strip 12 and second.In the present embodiment, the movable switch arm
20 be attaching plug, and its one end is connected with power line, and the other end is contact jaw.The movable switch arm 20 is in insertion power outlet
When 10, order makes electrical contact with the first electric contact 121 and the second electric contact 131 from cut-off point 11 respectively.When movable switch arm 20
When touching the first electric contact 121, RC circuits 30 are switched on, and power outlet 10 is connection through movable switch arm 20, RC circuits 30
In output end B load supplying, meanwhile, the RC circuits 30 can suppress to surge caused by circuit connection moment.It is living
Dynamic switch arm 20 is moved to the second electric contact 131 after delay, now, movable switch arm 20 simultaneously with the first electric contact 121 and
Second electric contact 131 makes electrical contact with, and the circuit of power outlet 10 is fully on, and now, RC circuits 30 only play circuit connection function.Institute
It can be any known RC circuits to state RC circuits 30, and it can be a RC circuit or multiple RC circuits of parallel connection.
In the present embodiment, the RC circuits 30 are concatenated by resistance R with electric capacity C to be formed, wherein, resistance R both ends are conductive with first respectively
Piece 12 and electric capacity C are connected, and the electric capacity C other end is connected with the second conducting strip 13.Connect in the circuit of power supply connecting device 10
Logical moment, the circuit capable of inhibiting of RC circuits 30 surge caused by because of the transient overvoltage beyond normal working voltage, to protect
Demonstrate,prove the security of electricity consumption.In the moment that the circuit of power supply connecting device 10 disconnects, the RC circuits 30 can be eliminated because inductive is born
Electric spark caused by load.
Fig. 1~Fig. 3 shows the course of work that the structure of the present invention switches on power.Such as Fig. 1, in the cut-off point 11,
Circuit is off, i.e., power switch or power outlet are to close, and is switch or socket switches on power the initial of process
State.In the movable switch arm 20, i.e., during attaching plug insertion power outlet, movable switch arm 20 is by positioned at power supply
Cut-off point 11 outside socket inserts.Such as Fig. 2, Fig. 3, during switching on power, movable switch arm 20 touches the first electricity first
Contact 121 so that power supply is switched on through RC circuits 30, such as Fig. 2, when the moment of the circuit turn-on of power outlet 10, the RC electricity
Road 30 can suppress due to circuit beyond normal working voltage transient overvoltage and caused surge.Such as Fig. 3, prolong by of short duration
Shi Hou, movable switch arm 20 are moved to the second electric contact 131, now, movable switch arm 20 simultaneously with the first electric contact 121 and the
Two electric contacts 131 contact so that the circuit of power outlet 10 is fully on.
During switching on power, traveling time of the movable switch arm 20 from the electric contact of cut-off point 11 to the second 131
For T=T1+T2+T3；Wherein T1 is the time that movable switch arm 20 is moved to the first electric contact 121 from cut-off point 11, and T2 is living
For dynamic switch arm 20 in the turn-on time (residence time) of the first electric contact 121, T3 is movable switch arm 20 from the first electric contact 121
It is moved to the time of the second electric contact 131.In the above-mentioned time, T2 time will be grown as far as possible, and its numerical value should be RC<T2<3RC, its
In, 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, can be by making movable switch arm
20 contact to realize with the first electric contact 121 and the second electric contact 131 simultaneously.
The movable switch arm 20 from the first electric contact 121 be moved to the second electric contact 131 when, first connect via with the first electricity
The RC circuit powering loads of the connection of point 121, because there is the presence of RC circuits, the surge current of circuit is inhibited.
After elapsed time T2, movable switch arm 20 touches the second electric contact 13, and RC circuits just do not work.In fact, activity is opened
It is continuous to close the process that arm 20 is moved to the second electric contact 131 from cut-off point 11 through the first electric contact 121, during actual use,
The presence of imperceptible first electric contact 121 of people.The movable switch arm 20 is moved to when being contacted with the second electric contact 131,
Power supply connecting device 10 is at on-state, and now the resistance of power supply connecting device is zero theoretically, i.e. power supply connection dress
Relevant device does not influence on load in putting.
When wanting deenergization, the movable switch arm 20 is first moved to the first electric contact 121 by the second electric contact 131,
Cut-off point 11 is moved to by the first electric contact 121 again, i.e., movable switch arm 20 is extracted into power outlet, makes power outlet 10 and electricity
Source disconnects, while the electric spark as caused by eliminating because of inductive load the RC circuits 30.
Embodiment 2
In the present embodiment, the power supply connecting device 10 is power switch, and its basic structure is the same as embodiment 1.Such as Fig. 4~figure
Shown in 6, the power switch 10 includes the first conducting strip 12, the second conducting strip 13, movable switch arm 20 and RC circuits 30.Described
Moving direction of one conducting strip 12 along movable switch arm 20 shifts to install so that movable switch arm 20 is when switching on power, by elder generation
Order contacts the first conducting strip 12, the second conducting strip 13 respectively afterwards；It is conductive through first by the second conducting strip 13 in deenergization
Piece 12 is moved to cut-off point 11.The cut-off point 11 is a certain virtual point that movable switch arm 20 departs from power supply connecting device.Institute
The one end for stating movable switch arm 20 is hinged in the housing (not shown) of power switch 10, and movable switch arm 20 is led with first
The contact jaw of the electric conducting strip 13 of piece 12 and second is provided with arc connection sheet 21, and the contact jaw can rotate rotating around pin joint so that
The arc connection sheet 21 is contacted or taken off with the first conducting strip 12 and the second conducting strip 13 with the mobile order of movable switch arm 20
From.When movable switch arm 20 is moved to by the first conducting strip 12 while is contacted with the first conducting strip 12 and the second conducting strip 13
When, power switch circuit is fully turned on.Its power supply disconnection process is the same as embodiment 1.
RC circuits 30 are connected between the first conducting strip 12 and the second conducting strip 13, its structure and function are the same as embodiment 1.
Embodiment 3
In the present embodiment, the power supply connecting device 10 is key switch, and its basic structure is the same as embodiment 1.As Fig. 7~
Shown in Fig. 9, the key switch 10 includes button 14, the electroconductive elastic sheet 15 of arc, insulation board 16 and RC circuits 30, the conduction
The one end of shell fragment 15 is fixed on the insulation board 16, and is connected with power supply, and the electroconductive elastic sheet 15 is provided with the first electric contact 151
With the second electric contact 152, it is provided with what is made electrical contact with respectively with the electric contact 152 of the first electric contact 151 and second in insulation board 16
First stationary contact 161 and the second stationary contact 162, the first stationary contact 161 and the second stationary contact 162 are electric with the RC circuits 30 respectively
Connection.When pushing button 14, the first electric contact 151 of the electroconductive elastic sheet 15 first makes electrical contact with the first stationary contact 161, and leads
The logical power supply connecting device circuit containing RC circuits 30, surge during by RC circuits 30 to power on suppress；It is conductive
Shell fragment 15 is moved to after delay to be made electrical contact with the second stationary contact 162, and turn-on power circuit.When unclamping electroconductive elastic sheet 15, its
Reset by the elastic, and electric spark when power supply disconnects is eliminated by the RC circuits 30.
Although being disclosed by above example to the present invention, protection scope of the present invention is not limited thereto,
Under conditions of without departing from present inventive concept, each component is done to more than deformation, replacements etc. will fall into right of the invention
In claimed range.
Claims (6)
1. a kind of surge suppression of power supply connecting device and electric spark eliminate structure, it is characterised in that in power supply connecting device
(10) the first electric contact (121), the second electric contact (131) and cut-off point are provided between input (A) and output end (B)
(11) it is living, and between the input (A) of power supply connecting device (10) and output end (B) to be provided with a conduction being connected with power supply
Dynamic switch arm (20) and at least one RC circuits (30), when switching on power, the movable switch arm (20) is by cut-off point (11)
Start mobile and first made electrical contact with the first electric contact (121), simultaneously turn on the power supply connecting device circuit containing RC circuits (30),
Surge during by RC circuits (30) to power on suppresses；The movable switch arm (20) is moved to second after delay
Electric contact (131), and made electrical contact with simultaneously with the first electric contact (121) and the second electric contact (131)；It is described in deenergization
Movable switch arm (20) is moved to the first electric contact (121) by the second electric contact (131), passes through absorption by the RC circuits (30)
Inverse electromotive force caused by load and eliminate electric spark when power supply disconnects, the movable switch arm (20) is moved to after delay
Cut-off point (11), power supply connecting device (10) is set to be disconnected with power supply, the power supply connecting device (10) is power outlet or power supply
Switch, wherein power outlet include the first conducting strip (12), the second conducting strip (13) shifted to install with the first conducting strip (12),
The movable switch arm (20) that contacts or depart from the first conducting strip (12) and the second conducting strip (13) and it is connected to the first conducting strip
(12) at least one RC circuits (30) between the second conducting strip (13)；The power switch includes the first conducting strip (12),
The second conducting strip (13) shifted to install with the first conducting strip (12), is contacted with the first conducting strip (12) and the second conducting strip (13)
Or the movable switch arm (20) departed from and at least one RC being connected between the first conducting strip (12) and the second conducting strip (13)
Circuit (30), the movable switch arm (20) connect with the contact jaw of the first conducting strip (12) and the second conducting strip (13) provided with arc
Contact pin (21), it contacts or taken off with the first conducting strip (12) and the second conducting strip (13) with the mobile order of movable switch arm (20)
From.
2. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterised in that described
Power switch is key switch, and it includes 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 the insulation board (16), and is connected with power supply, electroconductive elastic sheet (15)
Be provided with the first electric contact (151) and the second electric contact (152), insulation board (16) be provided with respectively with first electric contact
(151) and the second electric contact (152) electrical contact the first stationary contact (161) and the second stationary contact (162), the first stationary contact
(161) electrically connected respectively with the RC circuits (30) with the second stationary contact (162), when pushing button (14), the conductive bullet
The first electric contact (151) of piece (15) first makes electrical contact with the first stationary contact (161), and turns on the power supply containing RC circuits (30) and connect
Circuits are hinged with, surge during by RC circuits (30) to power on suppresses；Electroconductive elastic sheet (15) moves after delay
Made electrical contact with to the second stationary contact (162), when unclamping electroconductive elastic sheet (15), it resets by the elastic, and passes through the RC circuits
(30) electric spark when power supply disconnects is eliminated.
3. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterised 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.
4. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterised in that described
Cut-off point (11) is the certain point that movable switch arm (20) departs from power supply connecting device.
5. the surge suppression of power supply connecting device as claimed in claim 1 and electric spark eliminate structure, it is characterised in that described
The moving direction of first conducting strip (12) and the second conducting strip (13) along the movable switch arm (20) shifts to install so that activity
Switch arm (20) sequentially contacts the first conducting strip (12), the second conducting strip (13) or the second conducting strip (13), respectively
One conducting strip (12), one end of first conducting strip (12) is free end, and the other end is connected with the resistance R of RC circuits (30)
Connect, one end of second conducting strip (13) is free end, and the other end is connected with the electric capacity C of RC circuits (30).
6. the surge suppression of power supply connecting device as claimed in claim 5 and electric spark eliminate structure, it is characterised in that described
RC circuits (30) are concatenated by resistance R with electric capacity C to be formed, wherein, resistance R both ends respectively with the first conducting strip (12) and electric capacity C
It is connected, the electric capacity C other end 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 CN104283202A (en) | 2015-01-14 |
| CN104283202B true CN104283202B (en) | 2018-03-16 |
Family
ID=52257823
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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299946B (en) * | 2017-04-06 | 2022-07-01 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN112653225A (en) * | 2021-01-18 | 2021-04-13 | 山东理工大学 | Intelligent power management system powered by photovoltaic cell |
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 | 上海友邦工业控制系统有限公司 | 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 | 上海友邦工业控制系统有限公司 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016045200A1 (en) | 2016-03-31 |
| CN104283202A (en) | 2015-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103257264B (en) | AC and DC high voltage electroscope | |
| CN104283202B (en) | The surge suppression of power supply connecting device and electric spark eliminate structure | |
| CN109449694B (en) | DC plug structure | |
| CN201215780Y (en) | Contact tip component for high-voltage isolation switch | |
| CN202796808U (en) | N-pole arc extinguishing device | |
| CN106207652B (en) | Sparkless switch device and electric shock prevention intelligent socket | |
| CN203278068U (en) | Fuse handcart for centrally-installed switchgear | |
| CN204205584U (en) | The surge suppression of power supply connecting device and electric spark eliminate structure | |
| CN203086036U (en) | Busbar system of withdrawable circuit breaker | |
| CN203747367U (en) | Alternating current circuit switching-on and switching-off device adopting bidirectional thyristor | |
| CN203250666U (en) | Arc-extinguishing apparatus of direct-current mechanical switch | |
| CN203339496U (en) | Live anti-misoperation grounding switch device for high-voltage switch cabinet | |
| CN203522176U (en) | Arc extinction device for solving problem of interphase short circuit according to full resistance method | |
| CN103311915B (en) | A kind of dynamic interval discharger | |
| CN105355482A (en) | DC arc-extinguishing circuit | |
| CN202662918U (en) | Timed-power-outage energy-saving plug power cord | |
| CN202905520U (en) | Device capable of preventing contacts of disconnector from being burned and damaged by electric arc | |
| CN204558404U (en) | There is the circuit breaker of arc extinguishing effect | |
| CN203387173U (en) | Dynamic interval discharger | |
| CN202564119U (en) | Main disconnecting link device of low impedance and high voltage isolation switch | |
| CN202259112U (en) | Leakage-protecting switch | |
| CN203386645U (en) | An automatic switch used for mining | |
| CN207852499U (en) | A kind of electric conductor of plug-in electrical contact | |
| CN201408696Y (en) | Contact finger device of high-voltage isolating switch contact | |
| CN105551856B (en) | A kind of circuit of direct current extinguishing arc |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |