CN104158035A - Automatic dual-loop switching extension socket and switching method - Google Patents
Automatic dual-loop switching extension socket and switching method Download PDFInfo
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- CN104158035A CN104158035A CN201410433492.3A CN201410433492A CN104158035A CN 104158035 A CN104158035 A CN 104158035A CN 201410433492 A CN201410433492 A CN 201410433492A CN 104158035 A CN104158035 A CN 104158035A
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Abstract
The invention relates to an automatic dual-loop switching extension socket and a switching method. The extension socket comprises a socket body and a plug used for being connected with an interrupted power supply loop and an uninterrupted power supply loop in dual loops at the same time. The interrupted power supply loop and the uninterrupted power supply loop are applicable to power supply control over the socket body through a switching control module. The automatic dual-loop switching extension socket is connected into the dual loops through the plug for power supply, automatic switching between the dual loops is achieved through the switching control module so that the using requirement of a user for switching between the interrupted power supply loop and the uninterrupted power supply loop can be met, and no manual operation is needed. In this way, the automatic dual-loop switching extension socket has the advantages of easy operation and plug and play, and the electricity consumption circuit modification cost is saved.
Description
Technical field
The present invention relates to a kind of prolong socket, relate in particular to a kind of double loop automatic switchover prolong socket and changing method.
Background technology
In order to alleviate shortage of electric power, the time-of-use tariffs means that necessitated, but just the adjustment in the electricity charge can not effectively solve the situation of current shortage of electric power.
Therefore, in order better to alleviate shortage of electric power, in electricity consumption place, can lay two current supply circuits, wherein one is interruptedly supplying power loop, and another is uninterrupted power supply loop; User can select corresponding loop to power according to the needs of self, and obtains different electricity charge standards.
In order to realize the switching of above-mentioned two current supply circuits, traditional prolong socket (power board) cannot be realized, and needs to design a kind of double loop automatic switchover prolong socket, to realize the corresponding current supply circuit of intelligent selection.
Summary of the invention
The object of this invention is to provide a kind of double loop automatic switchover prolong socket, the technical problem automatically switching to solve double loop.
In order to solve the problems of the technologies described above, the invention provides a kind of double loop automatic switchover prolong socket, comprise jack body, and for connect the plug in interruptedly supplying power loop, double loop and uninterrupted power supply loop simultaneously; Described interruptedly supplying power loop and uninterrupted power supply loop are suitable for by the current supply circuit of a switching control module control jack body access.
Further, in order to simplify circuit, adopt the mode of common zero line and ground wire, and only need to switch two circuit live wire and can realize the switching of corresponding circuit, described plug is suitable for being connected with described jack body by a quad, in this quad, two wires are respectively as two circuit live wire, all the other two lines are respectively as the shared zero line in double loop and ground wire, two live wire switchings are carried out in power supply or power-off that described switching controls module is suitable for by detecting uninterrupted power supply loop, to control the current supply circuit of jack body access.
Further, in order to realize automatic switching function, described switching controls module comprises: the first electronic switch that is connected in the live wire in interruptedly supplying power loop, be connected in the second electronic switch of the live wire in uninterrupted power supply loop, for gathering respectively first, second sample circuit of the voltage of corresponding live wire, first, second Circuit tuning being connected with first, second sample circuit output respectively; And control unit, it is suitable in the time that there is power supply in interruptedly supplying power loop, controls the first electronic switch conducting, and the second electronic switch disconnects; Or in the time of the power-off of interruptedly supplying power loop, control the first electronic switch and disconnect, the second electronic switch conducting.
Further, described control unit comprises: with door, the output of described first, second Circuit tuning is connected with two inputs of door with this respectively, should be connected with the input of a not gate with the control end of the first electronic switch respectively with the output of door, the output of described not gate is connected with the control end of the second electronic switch.
Further, described control unit adopts processor unit, and two data acquisition ends of this processor unit are connected with the output of described first, second Circuit tuning respectively, and two control ends of processor unit are connected with the control end of first, second electronic switch respectively; Described processor unit is suitable in the time that there is power supply in interruptedly supplying power loop, controls the first electronic switch conducting, and the second electronic switch disconnects; Or in the time of the power-off of interruptedly supplying power loop, control the first electronic switch and disconnect, the second electronic switch conducting.
Further, described zero line, ground wire are connected with zero line, the earth terminal of each insertion hole groups in jack body respectively; Two circuit live wire is connected with the firewire binding post of each insertion hole groups by corresponding electronic switch respectively.
Further, described switching controls module comprises: relay, and the live wire in described interruptedly supplying power loop is connected with coil, the normally opened contact of this relay, and the normally-closed contact of described relay is connected with the live wire in described uninterrupted power supply loop; Described relay is suitable for obtaining when electric when coil, controls normally-closed contact and disconnects, and normally opened contact closure, connects to realize uninterrupted power supply loop, and interruptedly supplying power loop disconnects; Or in the time of coil losing electricity, control normally opened contact and disconnect, normally-closed contact closure, connects to realize interruptedly supplying power loop.
Further, for the loop that clearly represents that prolong socket of the present invention switches, the upper surface of described jack body is also provided with two indicator lights that are suitable for showing respectively interruptedly supplying power loop and uninterrupted power supply loop works state.
On the other hand, the present invention also provides a kind of changing method of described double loop automatic switchover prolong socket, the technical problem of switching to solve double loop.
Described changing method, comprises the steps:
Step S100, access double circuit power supply; Step S200, selects corresponding loop to power by described switching controls module controls.
Further, described plug is suitable for being connected with described jack body by a quad, and in this quad, two wires are respectively as two circuit live wire, and all the other two lines are respectively as the shared zero line in double loop and ground wire; The step of selecting corresponding loop to power by described switching controls module controls in described step S200 comprises: two live wire switchings are carried out in power supply or power-off that described switching controls module is suitable for by detecting uninterrupted power supply loop, to control the current supply circuit of jack body access.
Further, described switching controls module comprises: the first electronic switch that is connected in the live wire in interruptedly supplying power loop, be connected in the second electronic switch of the live wire in uninterrupted power supply loop, for gathering respectively first, second sample circuit of corresponding hot voltage, first, second Circuit tuning being connected with first, second sample circuit output respectively, and control unit.
Described switching controls module is suitable for switching two live wires according to the power supply in uninterrupted power supply loop or power-off and comprises with the method that realizes two double loops and switch: in the time that there is power supply in interruptedly supplying power loop, described control unit control the first electronic switch conducting, the second electronic switch disconnects; Or in the time of the power-off of interruptedly supplying power loop, described control unit control the first electronic switch disconnects, the second electronic switch conducting.
Technique scheme of the present invention has the following advantages compared to existing technology: the present invention accesses double circuit power supply by plug, realize the automatic switchover between two loops by switching controls module, to meet the needs of user to interruptedly supplying power loop and the use of uninterrupted power supply loop switch, without manual operation.Therefore, simple to operate, plug and play that the present invention has advantages of, and saved electricity consumption track remodelling cost.
Brief description of the drawings
For content of the present invention is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of prolong socket of the present invention;
Fig. 2 is the circuit diagram of prolong socket of the present invention;
Fig. 3 is the configuration diagram of the plug face of 2T shape plug;
Fig. 4 is the configuration diagram of the special double-T socket panel of double-T plug;
Fig. 5 is the configuration diagram of the plug face of butterfly plug;
Fig. 6 is the structural representation of butterfly plug private jack panel of the present invention;
Fig. 7 is the circuit block diagram of the first execution mode of control unit;
Fig. 8 is the circuit block diagram of the second execution mode of control unit;
Fig. 9 is the circuit block diagram of the third execution mode of control unit;
Figure 10 is the flow chart of this changing method.
Wherein, jack body 1, plug 2, quad 3, insertion hole groups 4, indicator light 5, the live wire L1 in interruptedly supplying power loop, the live wire L2 in uninterrupted power supply loop, zero line N, ground wire GND, relay K A, the live wire pin 201 of double-T plug, the zero line pin 202 of double-T plug, the earth pin 203 of double-T plug, the firewire jack 601 of double-T socket panel, the zero line jack 602 of double-T socket panel, the ground wire jack 603 of double-T socket panel, the firewire jack 601 ' of butterfly plug private jack panel, the zero line jack 602 ' of butterfly plug private jack panel, the ground wire jack 603 ' of butterfly plug private jack panel, the live wire pin 201 ' of butterfly plug, the zero line pin 202 ' of butterfly plug, the earth pin 203 ' of butterfly plug, the plug district 210 in interruptedly supplying power loop, the plug district 220 in uninterrupted power supply loop district, plug direction identification mark 701, 702.
Embodiment
For making the object, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these descriptions are exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, omitted the description to known features and technology, to avoid unnecessarily obscuring concept of the present invention.
Embodiment 1
Fig. 1 shows the structural representation of prolong socket of the present invention.
Fig. 2 shows the circuit diagram of prolong socket of the present invention.
As depicted in figs. 1 and 2, a kind of double loop automatic switchover prolong socket, comprises jack body 1, and for connect the plug 2 in interruptedly supplying power loop, double loop and uninterrupted power supply loop simultaneously; Described interruptedly supplying power loop and uninterrupted power supply loop are suitable for the current supply circuit accessing by a switching control module control jack body 1.
Wherein, the implication of described double circuit power supply is to be equipped with two current supply circuits, and one is uninterrupted power supply loop, another is interruptedly supplying power loop, article two, the electricity price difference in loop, user is the corresponding loop of choice for use as required, to pay corresponding electricity price.Described plug 2 can adopt two three conventional pin plug, without using in addition nonstandard socket panel.
Described plug 2 can adopt double end plug.Concrete, double end plug can be divided into interruptedly supplying power loop plug and uninterrupted power supply loop plug, as shown in Figure 2, what live wire L1 was corresponding is interruptedly supplying power loop plug, what live wire L2 was corresponding is uninterrupted power supply loop plug, and the socket panel using at double end plug is also provided with corresponding interruptedly supplying power loop jack and uninterrupted power supply loop jack; And double end plug and socket panel are provided with interruptedly supplying power loop plug and/or uninterrupted power supply loop plug distinguishing mark position, to prevent that two plugs from connecing instead, affect user and use.Distinguishing mark position on arbitrary plug and on socket panel, uses Chinese to indicate corresponding circuit such as but not limited to adopting in double end plug; Or represent with the symbol of being convenient to user identification.
Described plug 2 also can adopt nonstandard plug.
Fig. 3 shows the configuration diagram of the plug face of 2T shape plug.
For example 2T shape plug, as shown in Figure 3, this 2T shape plug comprises: two pairs of T shape plug groups, in described T shape plug group, two pins form respectively a T shape; In a pair of T shape plug group, two pins are respectively as two circuit live wire incoming end, i.e. the live wire pin 201 of 2T shape plug; Another to two pins in T shape plug group respectively as zero line incoming end and ground wire incoming end, i.e. the earth pin 203 of the zero line pin 202 of 2T shape plug, 2T shape plug.
Fig. 4 shows the configuration diagram of the special double-T socket panel of double-T plug.
As shown in Figure 4, a kind of double-T plug double-T socket panel, it comprises at least one group of double-T insertion hole groups, four jacks in this double-T insertion hole groups are corresponding with each pin in described double-T plug respectively.
Concrete, double-T insertion hole groups comprises symmetrically arranged two T shape insertion hole groups, in described T shape insertion hole groups, two jacks form respectively a T shape; In a pair of T shape insertion hole groups, two jacks are respectively as two circuit live wire end, the firewire jack 601 of socket panel; Another to two jacks in T shape insertion hole groups respectively as zero line incoming end and ground terminal, i.e. the ground wire jack 603 of the zero line jack 602 of socket panel, socket panel.
Described double-T plug 2 coordinates with double-T insertion hole groups, can prevent the operation that misplugs of double-T plug 2, and firewire jack in parallel position 601 can be used as standard two pin plug with zero line jack 602 and use, and has good compatibility.
Fig. 5 shows the configuration diagram of the plug face of butterfly plug.
Described plug 2 can also adopt butterfly plug, and as shown in Figure 5, this butterfly plug comprises five pins, and wherein, pin centered by a pin, as the incoming end of ground wire, the i.e. earth pin 203 ' of butterfly plug; All the other four pins are symmetrically distributed in the both sides of this central prongs between two, and are used separately as live wire, the zero line incoming end in Zhong Ge loop, double loop, the i.e. zero line pin 202 ' of the live wire pin 201 ' of butterfly plug, butterfly plug.Fig. 4 has gone out to access the related plug areas in two loops by butterfly plug with dotted line frame, i.e. the plug district 220 in the plug district 210 in interruptedly supplying power loop, uninterrupted power supply loop district.
Fig. 6 shows the configuration diagram of butterfly plug socket panel.
As shown in Figure 6, described butterfly plug socket panel, described socket panel comprises at least one group of butterfly insertion hole groups, contains five jacks corresponding with described butterfly plug in this butterfly insertion hole groups, i.e. two firewire jacks 601 ', two zero line jacks 602 ' and a ground wire jack 603 '.
Concrete, described ground wire jack 603 ' is positioned at center, and each a pair of firewire jack 601 ' and the zero line jack 602 ' of distributing in both sides, therefore, and this socket panel compatibility standard three pin plug; , standard three pin plug can be selected firewire jack 601 ', the zero line jack 602 ' of a side, and the ground wire jack 603 ' of center.
Because the distributional class of five plugs or jack is similar to butterfly, therefore, be defined as butterfly insertion hole groups here.
With in socket panel, as drawn with dotted line the plug direction identification mark 701 that is positioned at the plug back side in Fig. 5, in Fig. 6, draw the plug direction identification mark 702 that is positioned at socket panel front for fear of butterfly plug anti-plug to described butterfly plug.User in use, should guarantee that two identification mark directions are identical, to avoid butterfly plug anti-plug.
Preferably, described plug 2 is suitable for being connected with described jack body 1 by a quad 3, in this quad 3, two wires are respectively as two circuit live wire L1, L2, all the other two lines are respectively as the shared zero line N in double loop and ground wire GND, two live wire L1, L2 switching, the current supply circuit accessing to control jack body 1 are carried out in power supply or power-off that described switching controls module is suitable for by detecting uninterrupted power supply loop.
Fig. 7 shows the circuit block diagram of the first execution mode of control unit.
Fig. 8 shows the circuit block diagram of the second execution mode of control unit.
Fig. 9 shows the circuit block diagram of the third execution mode of control unit.
As shown in Figure 7 and Figure 8, described switching controls module comprises: the first electronic switch that is connected in the live wire L1 in interruptedly supplying power loop, be connected in the second electronic switch of the live wire L2 in uninterrupted power supply loop, for gathering respectively first, second sample circuit of the voltage of corresponding live wire, first, second Circuit tuning being connected with first, second sample circuit output respectively, and control unit, it is suitable in the time that there is power supply in interruptedly supplying power loop, control the first electronic switch conducting, the second electronic switch disconnects; In the time of the power-off of interruptedly supplying power loop, control the first electronic switch and disconnect, the second electronic switch conducting.Concrete, the bleeder circuit that described first, second sample circuit can adopt series resistance to form is realized, reduce to the alternating current of a 10V left and right by 220V alternating current, then pass through respectively first, second Circuit tuning, the effect of Circuit tuning is that the alternating current of 10V is become to 5V direct current, i.e. high level; Described Circuit tuning can adopt rectification, filtering, voltage stabilizing circuit to realize.
Described control unit comprises following two kinds of execution modes.
As shown in Figure 7, the first execution mode of described control unit.Concrete, described control unit comprises: with door, the output of described first, second Circuit tuning is connected with two inputs of door with this respectively, should be connected with the input of a not gate with the control end of the first electronic switch respectively with the output of door, the output of described not gate is connected with the control end of the second electronic switch.
Further, two inputs described and door are inputted the corresponding level of the live wires that gather.Because uninterrupted power supply loop is forever in power supply state, therefore, the second modulate circuit keeps high level state always.
If interruptedly supplying power loop also powers, described the first modulate circuit is also exported high level.Now, with door output high level, control the first electronic switch closes, i.e. the live wire L1 conducting in interruptedly supplying power loop; Meanwhile, owing to exporting high level with door, through the non-low level that is converted to behind the door, this low level disconnects the second electronic switch, and the live wire L2 that realizes uninterrupted power supply loop disconnects, and has realized user and has used interruptedly supplying power loop power supply, power cost saving.
If interruptedly supplying power loop does not power, described the first modulate circuit output low level, with door output low level, controls the first electronic switch and disconnects, and the live wire L1 that realizes interruptedly supplying power loop disconnects; Meanwhile, due to door output low level, through the non-high level that is converted to behind the door, this high level makes the second electronic switch closes, realizes uninterrupted power supply loop power supply, keeps electrical equipment also in running order after double loop is switched.Prolong socket of the present invention can be realized automatic switchover, without artificial operation.
As shown in Figure 8, the second execution mode of described control unit.Concrete, described control unit adopts processor unit, and two data acquisition ends of this processor unit are connected with the output of described first, second Circuit tuning respectively, and two control ends of processor unit are connected with the control end of first, second electronic switch respectively; Described processor unit is suitable in the time that there is power supply in interruptedly supplying power loop, controls the first electronic switch conducting, and the second electronic switch disconnects, and has realized user and has used interruptedly supplying power loop power supply, power cost saving.
In the time of the power-off of interruptedly supplying power loop, to control the first electronic switch and disconnect, the second electronic switch conducting, realizes uninterrupted power supply loop power supply.
This control unit is different from the first execution mode, adopts processor unit to realize control, for example C51 series monolithic.Optionally, also can adopt alternative electronic switch to realize, first, second control end of this alternative electronic switch substitutes respectively the corresponding controling end of described first, second electronic switch, to realize the control of control unit to alternative electronic switch.
As shown in Figure 9, the third execution mode of described control unit.Concrete, described switching controls module comprises: relay K A, and the live wire L1 in described interruptedly supplying power loop is connected with coil, the normally opened contact of this relay K A, and the normally-closed contact of described relay K A is connected with the live wire L2 in described uninterrupted power supply loop; Described relay K A is suitable for obtaining when electric when coil, controls normally-closed contact and disconnects, and normally opened contact closure, connects to realize uninterrupted power supply loop, and interruptedly supplying power loop disconnects; Or in the time of coil losing electricity, control normally opened contact and disconnect, normally-closed contact closure, connects to realize interruptedly supplying power loop.Wherein, selected relay K A is low power relay, and the lowest high-current value of the contact of relay is only tens amperes.
Further, described zero line N, ground wire GND are connected with zero line, the earth terminal of each insertion hole groups 4 in jack body 1 respectively; Two circuit live wire is connected with the firewire binding post of each insertion hole groups 4 by corresponding electronic switch respectively.
Optionally, the upper surface of described jack body 1 is also provided with two indicator lights 5 that are suitable for showing respectively interruptedly supplying power loop and uninterrupted power supply loop works state; Be which loop works, corresponding indicator light 5 just lights.
Embodiment 2
The changing method of the described double loop automatic switchover prolong socket on embodiment 1 basis.
Figure 10 shows the flow chart of changing method.
The changing method of described double loop automatic switchover prolong socket, comprises the steps:
Step S100, access double circuit power supply.
Step S200, selects corresponding loop to power by described switching controls module controls.
As depicted in figs. 1 and 2, preferred, described plug 2 is suitable for being connected with described jack body 1 by a quad 3, and in this quad 3, two wires are respectively as two circuit live wire L1, L2, and all the other two lines are respectively as the shared zero line in double loop and ground wire; The step of selecting corresponding loop to power by described switching controls module controls in described step S200 comprises: two live wire L1, L2 switching, the current supply circuit accessing to control jack body 1 are carried out in power supply or power-off that described switching controls module is suitable for by detecting uninterrupted power supply loop.
Be connected on the power consumption equipment of prolong socket of the present invention without special change, just can automatically switch and power at two kinds of current supply circuits without manually pulling switching.
As shown in Figure 5 and Figure 6, further, described switching controls module comprises: the first electronic switch that is connected in the live wire in interruptedly supplying power loop, be connected in the second electronic switch of the live wire in uninterrupted power supply loop, for gathering respectively first, second sample circuit of corresponding hot voltage, first, second Circuit tuning being connected with first, second sample circuit output respectively, and control unit.
Described switching controls module is suitable for switching two live wires according to the power supply in uninterrupted power supply loop or power-off and comprises with the method that realizes two double loops and switch: in the time that there is power supply in interruptedly supplying power loop, described control unit control the first electronic switch conducting, the second electronic switch disconnects; In the time of the power-off of interruptedly supplying power loop, described control unit control the first electronic switch disconnects, the second electronic switch conducting.
Embodiment about described control unit all has detailed discussion in embodiment 1, no longer repeats here.
If described switching controls module comprises: relay K A, realizing by relay K A the method that two kinds of current supply circuits switch comprises: the live wire L1 in described interruptedly supplying power loop is connected with coil, the normally opened contact of this relay K A, and the normally-closed contact of described relay K A is connected with the live wire L2 in described uninterrupted power supply loop; Described relay K A is suitable for obtaining when electric when coil, controls normally-closed contact and disconnects, and normally opened contact closure, connects to realize uninterrupted power supply loop, and interruptedly supplying power loop disconnects; Or in the time of coil losing electricity, control normally opened contact and disconnect, normally-closed contact closure, connects to realize interruptedly supplying power loop.
Therefore, the changing method of double circuit power supply of the present invention can automatically switch in interruptedly supplying power loop and uninterrupted power supply loop, without artificial interference, has realized the optimal selection of the electricity charge.
Should be understood that, above-mentioned embodiment of the present invention is only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore any amendment of, making, be equal to replacement, improvement etc., within protection scope of the present invention all should be included in without departing from the spirit and scope of the present invention in the situation that.In addition, claims of the present invention are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.
Claims (10)
1. a double loop automatic switchover prolong socket, is characterized in that, comprising: jack body, and for connect the plug in interruptedly supplying power loop, double loop and uninterrupted power supply loop simultaneously;
Described interruptedly supplying power loop and uninterrupted power supply loop are suitable for by the current supply circuit of a switching control module control jack body access.
2. automatic switchover prolong socket in double loop according to claim 1, it is characterized in that, described plug is suitable for being connected with described jack body by a quad, in this quad, two wires are respectively as two circuit live wire, all the other two lines are respectively as the shared zero line in double loop and ground wire, two live wire switchings are carried out in power supply or power-off that described switching controls module is suitable for by detecting uninterrupted power supply loop, to control the current supply circuit of jack body access.
3. automatic switchover prolong socket in double loop according to claim 2, it is characterized in that, described switching controls module comprises: the first electronic switch that is connected in the live wire in interruptedly supplying power loop, be connected in the second electronic switch of the live wire in uninterrupted power supply loop, for gathering respectively first, second sample circuit of the voltage of corresponding live wire, first, second Circuit tuning being connected with first, second sample circuit output respectively; And
Control unit, it is suitable in the time that there is power supply in interruptedly supplying power loop, controls the first electronic switch conducting, and the second electronic switch disconnects; Or in the time of the power-off of interruptedly supplying power loop, control the first electronic switch and disconnect, the second electronic switch conducting.
4. automatic switchover prolong socket in double loop according to claim 3, it is characterized in that, described control unit comprises: with door, the output of described first, second Circuit tuning is connected with two inputs of door with this respectively, should be connected with the input of a not gate with the control end of the first electronic switch respectively with the output of door, the output of described not gate is connected with the control end of the second electronic switch.
5. automatic switchover prolong socket in double loop according to claim 3, it is characterized in that, described control unit adopts processor unit, two data acquisition ends of this processor unit are connected with the output of described first, second Circuit tuning respectively, and two control ends of processor unit are connected with the control end of first, second electronic switch respectively;
Described processor unit is suitable in the time that there is power supply in interruptedly supplying power loop, controls the first electronic switch conducting, and the second electronic switch disconnects; Or in the time of the power-off of interruptedly supplying power loop, control the first electronic switch and disconnect, the second electronic switch conducting.
6. according to the double loop automatic switchover prolong socket described in claim 4 or 5, it is characterized in that, described zero line, ground wire are connected with zero line, the earth terminal of each insertion hole groups in jack body respectively;
Two circuit live wire is connected with the firewire binding post of each insertion hole groups by corresponding electronic switch respectively.
7. automatic switchover prolong socket in double loop according to claim 2, it is characterized in that, described switching controls module comprises: relay, the live wire in described interruptedly supplying power loop is connected with coil, the normally opened contact of this relay, and the normally-closed contact of described relay is connected with the live wire in described uninterrupted power supply loop;
Described relay is suitable for obtaining when electric when coil, controls normally-closed contact and disconnects, and normally opened contact closure, connects to realize uninterrupted power supply loop, and interruptedly supplying power loop disconnects; Or in the time of coil losing electricity, control normally opened contact and disconnect, normally-closed contact closure, connects to realize interruptedly supplying power loop.
8. according to a changing method for the double loop automatic switchover prolong socket described in claim 1, comprise the steps:
Step S100, access double circuit power supply;
Step S200, selects corresponding loop to power by described switching controls module controls.
9. changing method according to claim 8, it is characterized in that, described plug is suitable for being connected with described jack body by a quad, and in this quad, two wires are respectively as two circuit live wire, and all the other two lines are respectively as the shared zero line in double loop and ground wire;
The step of selecting corresponding loop to power by described switching controls module controls in described step S200 comprises: two live wire switchings are carried out in power supply or power-off that described switching controls module is suitable for by detecting uninterrupted power supply loop, to control the current supply circuit of jack body access.
10. changing method according to claim 9, it is characterized in that, described switching controls module comprises: the first electronic switch that is connected in the live wire in interruptedly supplying power loop, be connected in the second electronic switch of the live wire in uninterrupted power supply loop, for gathering respectively first, second sample circuit of corresponding hot voltage, first, second Circuit tuning being connected with first, second sample circuit output respectively, and control unit;
Switching controls module is suitable for switching two live wires according to the power supply in uninterrupted power supply loop or power-off and comprises with the method that realizes two double loops and switch:
In the time that there is power supply in interruptedly supplying power loop, described control unit control the first electronic switch conducting, the second electronic switch disconnects; Or
In the time of the power-off of interruptedly supplying power loop, described control unit control the first electronic switch disconnects, the second electronic switch conducting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410433492.3A CN104158035A (en) | 2014-08-28 | 2014-08-28 | Automatic dual-loop switching extension socket and switching method |
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| CN201410433492.3A CN104158035A (en) | 2014-08-28 | 2014-08-28 | Automatic dual-loop switching extension socket and switching method |
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| CN104158035A true CN104158035A (en) | 2014-11-19 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107919552A (en) * | 2017-12-05 | 2018-04-17 | Tcl-罗格朗国际电工（惠州）有限公司 | Scraping must socket |
| CN112454660A (en) * | 2020-11-27 | 2021-03-09 | 重庆星科裕信息科技有限公司 | Building site construction is with agitating unit who prevents outage |
| CN114844727A (en) * | 2022-07-01 | 2022-08-02 | 北京智芯微电子科技有限公司 | Switch and protection circuit, protection system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107919552A (en) * | 2017-12-05 | 2018-04-17 | Tcl-罗格朗国际电工（惠州）有限公司 | Scraping must socket |
| CN112454660A (en) * | 2020-11-27 | 2021-03-09 | 重庆星科裕信息科技有限公司 | Building site construction is with agitating unit who prevents outage |
| CN112454660B (en) * | 2020-11-27 | 2021-12-10 | 重庆森士环保科技有限公司 | Building site construction is with agitating unit who prevents outage |
| CN114844727A (en) * | 2022-07-01 | 2022-08-02 | 北京智芯微电子科技有限公司 | Switch and protection circuit, protection system thereof |
| CN114844727B (en) * | 2022-07-01 | 2022-09-23 | 北京智芯微电子科技有限公司 | Switch and protection circuit, protection system thereof |
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Application publication date: 20141119 |