CN201251698Y - Safe and energy-saving partial voltage power-by switch - Google Patents
Safe and energy-saving partial voltage power-by switch Download PDFInfo
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- CN201251698Y CN201251698Y CNU2008200981587U CN200820098158U CN201251698Y CN 201251698 Y CN201251698 Y CN 201251698Y CN U2008200981587 U CNU2008200981587 U CN U2008200981587U CN 200820098158 U CN200820098158 U CN 200820098158U CN 201251698 Y CN201251698 Y CN 201251698Y
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- 238000004804 winding Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 238000004146 energy storage Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 4
- 239000002674 ointment Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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- 238000013500 data storage Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides a safe and energy-saving partial voltage power-by switch comprising a starting switch AN, a controlled switch K, a partial voltage power-by circuit RJ and a switching control circuit K, wherein the partial voltage power-by circuit RJ is connected with the controlled switch K and a load PL in series, the partial voltage power-by circuit RJ is further connected with the switching control circuit K in parallel, which guarantees the close of the controlled switch K when getting electricity and the open when losing the electricity during the work of the load RL. The switch effectively salves the problem of standby energy saving of an existing computer or a television, simultaneously provides a referential switching control (module) circuit capable of replacing the standby function, the active standby function and the partial voltage (electricity) power-by function of a host machine, and is used as a reference to develop a product which is safer and saves more energy through combining the electrical technique of the products. The switch further has the advantages of simple circuit and low cost.
Description
Technical field
The utility model relates to the on/off circuit of electric equipment, is specifically related to be used for the energy-conservation partial voltage electricity-borrowing switch of household electrical appliance such as computer, TV and acoustic control illumination.
Background technology
The non-outage formula readiness and shut off circuit that household electrical appliance such as existing computer, TV all adopt (not outage, wait for convenient start next time in short time), close circuit for lamp (standby current more than 700 microamperes, the overload capacity scope of application relatively poor, the illuminating lamp type is narrower) with the standby of the acoustic control of selling on market illumination (switch) lamp socket, its energy-saving effect is not very desirable, and the power consumption that exists when reason is standby is bigger than normal.Main cause is that the not only element of the readiness and shut off circuit of its existence own is more, cost is high, and the power consumption of 3W-10W is generally arranged in the standby process in the power circuit of existing electric equipment.
Summary of the invention
At the prior art above shortcomings, the purpose of this utility model provides partial voltage electricity-borrowing switch (module) circuit of the active standby of a kind of little power consumption, can make equipment total losses under off-mode is 0, when start, also has only less power consumption, to save the electric energy that will consume in existing stand-by circuit holding state and the start process.
The purpose of this utility model is achieved in that the partial voltage electricity-borrowing switch of energy-saving safe, it is characterized in that borrowing circuit (RJ) and ON-OFF control circuit (K) to form by starting switch (AN), controlled switch (K), dividing potential drop; Dividing potential drop borrows circuit (RJ) and controlled switch (K) and load (RL) to be connected in series, and dividing potential drop borrows circuit (RJ) also to be connected in parallel with ON-OFF control circuit (K), and controlled switch (K) gets electric closure when working with proof load (RL), and dead electricity disconnects during standby.
Further, described dividing potential drop borrows circuit (RJ) to be made up of divider resistance (R1), rectification circuit (DE), shunting filter capacitor (C) and voltage stabilizing shunting (VD, BG); Starting switch (AN) is connected with the direct current positive and negative electrode contact of rectification circuit (DE) respectively through resistance (R2), half-bridge (rectification) circuit (D1, D2); The direct current positive and negative electrode contact of rectification circuit (DE) also is connected in parallel with relay (J), shunting filter capacitor (C), voltage stabilizing shunting (VD, BG) circuit respectively, is connected in series with load (RL), controlled switch (J) after the exchanging contact and be connected in parallel of divider resistance (R1) and rectification circuit (DE) again; Load (RL) when work controlled switch (J) electric closure, (J) dead electricity of controlled switch during the load standby and disconnecting.
Further, described dividing potential drop borrows circuit (RJ) to be made up of controlled switch (VD1), divider resistance (R1), rectification circuit (DE), circuit of synchronous rectification (D), shunting filtering (C) and voltage stabilizing divided circuit (VD2, BG), it is characterized in that being connected in parallel with the direct current both positive and negative polarity contact of rectification circuit (DE) after controlled switch (VD1) and divider resistance (R1) are connected in series, the interchange contact of rectification circuit (DE) and load (RL) are connected in series again; After divider resistance (R1) also is connected in series with circuit of synchronous rectification (D), be connected in parallel with shunting filtering (C), voltage stabilizing divided circuit (VD2, BG) and control circuit (K) respectively again; Resistance (R2) is connected with the positive pole of DE positive contact, shunting filtering (C) respectively, guarantees that K has electric current and the required charging current of C energy storage that can keep operate as normal when standby.
Described dividing potential drop borrows circuit (RJ) to be made up of dividing potential drop current transformer (B), rectification circuit (DE), shunting filtering (C) and voltage stabilizing divided circuit (VD, BG); Winding and load (RL), the controlled switch (K) of current transformer are connected in series, Secondary Winding is connected in parallel with the contact that exchanges of rectification circuit (DE), the direct current both positive and negative polarity contact of DE is connected in parallel with shunting filtering (C), voltage stabilizing divided circuit (VD, BG), ON-OFF control circuit (K) respectively, K gets electric closure during loaded work piece, and the K dead electricity disconnects during the load standby.
Described ON-OFF control circuit (K) is a partial voltage electricity-borrowing switch control module circuit, by rectification circuit (1,2,3,4 pin), voltage stabilizing divided circuit (5,6 pin), power output circuit (7 pin), relay output circuit (9 pin), time sequential pulse frequency counter (IC, CD4060), infrared signal output circuit (11 pin) and infrared signal input circuit (12 pin) and three grades of weak signal amplifying circuits are formed, (1 of circuit in the described ON-OFF control circuit (K), 3 pin) be connected in parallel with the Secondary Winding of current transformer (B) or and connect behind the divider resistance (R1) again and switch, load is connected in series, the winding and the load P Z of current transformer (B) are connected in series, (5 pin) resistance (R2) through being connected in parallel, buffer circuit (D) is connected with battery (E) is anodal, (2 pin) is connected with battery (E) negative pole, (4,5,7,8,10 pin) respectively with capacitor C 1, C2, C3, C4, C5 is anodal to be connected, and (9 pin) is connected with relay (J); (11 pin) is connected with infrared emission tube (VD2), and (12 pin) is connected with infrared receiver tube (VD3); Load (PZ) when work J gets electric adhesive, J dead electricity during load (PZ) standby and disconnecting.
The utility model provides special-purpose separately power down switch or socket for computer, TV, automatically cut off the power supply when the standby guaranteeing, and standby current is less than 60 microamperes acoustic control light switch the time, the partial voltage electricity-borrowing switch modular circuit (self-contained battery power supply, standby is cut off the power supply automatically) of the active standby of a kind of little power consumption is provided.The thick film switch that this modular circuit is made after integrated technology is handled can directly be produced in the products such as computer, TV, uses for reference during perhaps for producer's designing new product.
The utility model is to provide computer special-purpose three sockets, television-specific three socket modes negatively solve existing computer, in the time of the television standby power saving, provide a referential energy to substitute the active standby of main frame idle function, dividing potential drop borrows the switch of () energy to control (module) circuit, and (standby current is less than 60UA, power by self-contained battery, in the figure nine solid wire frames), (increase a data storage through the integrated technology processing, time-delay output) the thick film switch of making after can be produced in computer, in the video and audio products such as TV, or supply producer when designing new product, safer in conjunction with the electrical technology requirement exploitation of product, for referencial use during more energy-conservation product.
Description of drawings
Fig. 1 is equivalent circuit theory figure of the present utility model;
Fig. 2 be mutual inductor dividing potential drop, relay do the borrowing of switch () can on-off principle figure;
Fig. 3 be electric resistance partial pressure, controllable silicon do the borrowing of switch () can on-off principle figure;
Fig. 4 be electric resistance partial pressure, relay do the borrowing of switch () can on-off principle figure;
Fig. 5 is that special-purpose three (switch) socket of computer is implemented circuit theory diagrams;
Fig. 6 is that television-specific three (switch) socket is implemented circuit theory diagrams;
Fig. 7 is that the acoustic control illumination borrows () to implement circuit theory diagrams by switch;
Fig. 8 is installed in enforcement circuit theory diagrams in the computer power box to switch;
Fig. 9 is the enforcement circuit theory diagrams that the switch module circuit is used for electrical equipment in 40-200 watts;
Figure 10 is the enforcement schematic diagram that the switch module circuit is used for electrical equipment in 10-40 watts.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the partial voltage electricity-borrowing switch of energy-saving safe is characterized in that borrowing circuit (RJ) and ON-OFF control circuit (K) to form by starting switch (AN), controlled switch (K), dividing potential drop; Dividing potential drop borrows circuit (RJ) and controlled switch (K) and load (RL) to be connected in series, and dividing potential drop borrows circuit (RJ) also to be connected in parallel with ON-OFF control circuit (K), and controlled switch (K) gets electric closure when working with proof load (RL), and dead electricity disconnects during standby.The utility model is the partial voltage electricity-borrowing switch that inserts the energy-saving safe of being made up of by means of circuit (RJ) etc. controlled switch (K) and dividing potential drop in load circuit series connection, part electric energy when using loaded work piece (voltage drop that obtains on RJ) makes control circuit (K) get electric work, make switch closure (during loaded work piece), or make switch disconnect (during the load standby).
As shown in Figure 4, a kind of embodiment according to Fig. 1 principle is: described controlled switch and dividing potential drop borrow circuit (RJ) by pushbutton switch (AN), resistance () leakage resistance (R2), two-way (conducting) half-bridge (rectification) circuit (D1, D2) and divider resistance (R1), rectification circuit (DE), shunting filtering (C), voltage stabilizing shunting (VD, BG) circuit is formed (start surge current, exceed the above excess current of circuit setting maximal value electric current and carry out safe shunting), starting switch (AN) is through resistance (R2), half-bridge (rectification) circuit (D1, D2) be connected (technical requirement of AN contact current gets final product by reducing to 200MA more than the number A) respectively with the direct current both positive and negative polarity contact of rectification circuit (DE); The direct current both positive and negative polarity contact of rectification circuit (DE) also is connected in parallel with relay (J), shunting filtering (C), voltage stabilizing shunting (VD, BG) circuit respectively, is connected in series with load (RL), controlled switch (J) after the exchanging contact and be connected in parallel of divider resistance (R1) and rectification circuit (DE) again; J gets electric closure during loaded work piece, J dead electricity during the load standby and disconnecting.
As shown in Figure 3, described controlled switch and dividing potential drop are borrowed electric electric routing switch (VD1, one-way SCR do switch with) and divider resistance (R1), rectification circuit (DE), circuit of synchronous rectification (D), shunt (energy storage) filtering (C, shunting during loaded work piece, energy storage during standby), voltage stabilizing divided circuit (VD2, BG) forms, it is characterized in that being connected in parallel with the direct current both positive and negative polarity contact of rectification circuit (DE) after controlled switch (VD1) and divider resistance (R1) are connected in series, the interchange contact of rectification circuit (DE) and load (RL) are connected in series again; After divider resistance (R1) also is connected in series with circuit of synchronous rectification (D), be connected in parallel with shunting (energy storage) filtering (C), voltage stabilizing divided circuit (VD2, BG) and control circuit (K) respectively again; R2 is connected with the positive pole of DE positive contact, C respectively, is to protect positive K (turn-off) when standby electric current and the required charging current of C energy storage that can keep operate as normal arranged;
As shown in Figure 2, described dividing potential drop borrows circuit (RJ) to be made up of dividing potential drop current transformer (B), rectification circuit (DE), shunting filtering (C), voltage stabilizing divided circuit (VD, BG), winding and load (RL), the controlled switch (K) of current transformer are connected in series, Secondary Winding is connected in parallel with the contact that exchanges of rectification circuit (DE), the direct current both positive and negative polarity contact of DE is connected in parallel with shunting filtering (C), voltage stabilizing divided circuit (VD, BG), ON-OFF control circuit (K) respectively, K gets electric closure during loaded work piece, and the K dead electricity disconnects during the load standby.
Fig. 9 is the enforcement figure that switch (module) circuit is used for electrical equipment in 40-200 watts.PZ is power supply, host circuit, and JM is a decoding circuit, and JK is that dividing potential drop borrows () to control (module) circuit by switch, and E is a self-contained battery, and B is a current transformer, and the IC in the solid wire frame is frequency counter (CD4060).Starting-up signal (remote signal) is imported, exported (power supply that J gets electric closure connection PZ) by 9 pin after amplification, frequency division counter is handled by VD3 reception, 12 pin; Another road infrared signal after amplifying integer by 11 pin export, VD2 transmits, VD1 reception and send into decoding (JM) circuit and finish various functional tasks, 7 pin provide working power for JM.During standby, J disconnects because of dead electricity.Referring to Fig. 9 (in the solid wire frame), described ON-OFF control circuit (K) is switch control (module) circuit (answering integrated processing) that dividing potential drop is borrowed () energy special-purpose (needing external bleeder circuit B or R), by rectification circuit (1,2,3,4 pin), voltage stabilizing divided circuit (5,6 pin), power output circuit (7 pin, use for decoding circuit), relay output circuit (9 pin), time sequential pulse frequency counter (IC, CD4060), infrared signal output circuit (11 pin) and infrared signal input circuit (12 pin) and three grades of weak signal amplifying circuits are formed, 1 of switch control (module) circuit, the Secondary Winding of 3 pin and current transformer (B) be connected in parallel (or and connect behind the divider resistance R1 again and switch, load is connected in series), the winding of B and load P Z (main frame, power supply) is connected in series, current-limiting resistance (the R2 of 5 pin through being connected in parallel, current-limiting charge), buffer circuit (D) is connected with battery (E) is anodal, 2 pin are connected with battery (E) negative pole, 4,5,7,8,10 pin respectively with shunting, filter capacitor C1, C2, C3, C4, C5 is anodal to be connected, 9 pin are connected with relay (J), 11 pin are connected with infrared emission tube (VD2), and 12 pin are connected with infrared receiver tube (VD3); Load (PZ) when work J gets electric adhesive, J dead electricity during load (PZ) standby and disconnecting.
Fig. 5 is that special-purpose three (switch) socket of computer is implemented circuit theory diagrams, correctly connects by the requirement of phase line, zero line, protective ground, guarantees safety.The pressure drop that produces at resistance R 1 two ends when using host computer work provides electric current through the DE rectification for J, and by C, BG, LED filtering, voltage stabilizing shunting, LED does voltage stabilizing and power supply shows usefulness.AN is that 3V, contact current are greater than 10 relays (quality, the technical requirement of this relay are higher, should customize to producer) of pacifying with 220V, the contact current pushbutton switch greater than 200MA, J with coil working voltage.Socket places near the host computer, the convenient use, and CZ1 is two sockets, uses for display and equipment for surfing the net (modem), CZ2 is host socket (K should close when display power supply is picked out by the host power supply box).Press the AN (not loosing one's grip) on the socket when opening computer earlier, the start button that clicks host computer again gets final product.Close computer and get final product (main frame standby J dead electricity and make above device powers down) by the normal shutdown mode.
Fig. 6 is television-specific three-way switch socket enforcement figure.Requirement by phase line, zero line correctly connects, and guarantees safety.CZ1 is two sockets, and for video disc player, set-top box usefulness, CZ2 is the televisor socket.The infrared ray starting-up signal is received by VD, through three grades of amplifications, drives time sequential pulse frequency counter (CD4060) work, by the output of 4,5,7 pin, makes the J closure, energized, J dead electricity during standby and deenergization.Socket places televisor next door, allows infrared receiver tube in infrared receiver tube (VD) and the televisor on the socket towards consistent, guarantee on the socket and televisor in infrared receiver tube can receive the signal that telepilot is launched simultaneously.
Fig. 7 is that the acoustic control illumination borrows () to implement figure by switch.The sound control signal of MIC input amplifies through three utmost points, from the 13 pin input of IC, by 6 pin output high level time delayed signal, control VD1 conducting (turning on light) after BG3 amplifies, VD1 automatic cut-off (turning off the light) when voltage (AC220V) the zero passage during output of 6 pin low levels.VD2, R3, R4 overvoltage detect (overvoltage protection), BG2, R7 overload detection (overload protection), and LED-Z is the shunting illumination, (design the level lampholder of the wide end or a broadside Down lamp, it be installed on wide bottom surface or the broadside face), D1 is a circuit of synchronous rectification.
Fig. 8 is installed in enforcement figure in the computer power box to switch.Z is a computer main board, and P is original power panel in the power pack, and heavy line is the patching of former power supply, connecting line.Power pack increases volume (install current transformer, battery, electronic component with) not changing under the situation of fixing, installation site towards the expansion of CD-ROM drive direction, and relay adopts the two poles of the earth (cutter) lock-on relays (coil working voltage 3V, contact current are greater than 10A).The original start contact of one group of line of AN and mainboard is connected, and another group line is connected with respective point in the power pack through connector.The mode of opening computer is, presses AN and keeps more than 0.5 second, unclamp again press (at interval in 1 second) once AN get final product (pressing AN for the first time is that energized makes circuit stable, and pressing AN for the second time is that the startup power supply makes its start).
Figure 10 is the enforcement figure that the switch module circuit is used for electrical equipment in 10-40 watts.Consider from aspects such as power consumption, cost, installation volume, in 10 to 40 watts of miniwatt electrical equipment, adopt electric resistance partial pressure mode the best.With 1,3 pin and connect a divider resistance (R1) back directly series connection go in the loop of civil power and PZ, allow battery (E) and JK be operated in suspension power supply state (, not having other direct circuit connection) except that providing the alternating current path for civil power.Relay (J) should use coil working voltage to satisfy the two poles of the earth (cutter) lock-on relay (provide technical requirement, entrust relay producer to produce) of electrical apparatus technology requirement as 3V, contact current.
The utility model utilization borrows () can circuit to borrow to such an extent that the part electric energy during loaded work piece makes control circuit get electric work, the method of control load again, computer is provided, energy-conservation (switch) socket (treating tester in power-down state) that TV is special-purpose separately, preferably resolve shut down of computer, still the power saving that has power consumption after the RTV remote television shutdown, and illuminating lamp power, type adapts to wideer, the acoustic control light switch (lamp socket) that standby is more energy-conservation provides the dividing potential drop of a tool standby power down function to borrow () to control (module) circuit (for integrated production thick film switch reference) by special switch simultaneously.
Claims (5)
1, the partial voltage electricity-borrowing switch of energy-saving safe is characterized in that borrowing circuit RJ and ON-OFF control circuit K to form by starting switch AN, controlled switch K, dividing potential drop; Dividing potential drop borrows circuit RJ and controlled switch K and load RL to be connected in series, and dividing potential drop borrows circuit RJ also to be connected in parallel with ON-OFF control circuit K, and controlled switch K gets electric closure when working with proof load RL, and dead electricity disconnects during standby.
2, the partial voltage electricity-borrowing switch of energy-saving safe according to claim 1 is characterized in that described dividing potential drop borrows circuit RJ to be made up of divider resistance R1, rectification circuit DE, shunting filter capacitor C and voltage stabilizing shunting VD, BG; Starting switch AN is connected with the direct current positive and negative electrode contact of rectification circuit DE respectively through resistance R 2, half-bridge rectification circuit D1, D2; The direct current positive and negative electrode contact of rectification circuit DE also is connected in parallel with relay J, shunting filter capacitor C, voltage stabilizing shunting VD, BG circuit respectively, is connected in series with load RL, controlled switch J after the exchanging contact and be connected in parallel of divider resistance R1 and rectification circuit DE again; Load RL when work controlled switch J gets electric closure, controlled switch J dead electricity during the load standby and disconnecting.
3, the partial voltage electricity-borrowing switch of energy-saving safe according to claim 1, it is characterized in that described dividing potential drop borrows circuit RJ to be made up of controlled switch VD1, divider resistance R1, rectification circuit DE, circuit of synchronous rectification D, shunting filtering C and voltage stabilizing divided circuit VD2, BG, be connected in parallel with the direct current both positive and negative polarity contact of rectification circuit DE after controlled switch VD1 and divider resistance R1 are connected in series, interchange contact and the load RL of rectification circuit DE are connected in series again; After divider resistance R1 also is connected in series with circuit of synchronous rectification D, be connected in parallel with shunting filtering C, voltage stabilizing divided circuit VD2, BG and control circuit K respectively again; Resistance R 2 is connected with the positive pole of DE positive contact, shunting filtering C respectively, guarantees that K has electric current and the required charging current of C energy storage that can keep operate as normal when standby.
4, the partial voltage electricity-borrowing switch of energy-saving safe according to claim 1 is characterized in that described dividing potential drop borrows circuit RJ to be made up of dividing potential drop current transformer B, rectification circuit DE, shunting filtering C and voltage stabilizing divided circuit VD, BG; Winding and load RL, the controlled switch K of current transformer are connected in series, Secondary Winding is connected in parallel with the contact that exchanges of rectification circuit DE, the direct current both positive and negative polarity contact of DE is connected in parallel with shunting filtering C, voltage stabilizing divided circuit VD, BG, ON-OFF control circuit K respectively, K gets electric closure during loaded work piece, and the K dead electricity disconnects during the load standby.
5, the partial voltage electricity-borrowing switch of energy-saving safe according to claim 1, it is characterized in that described ON-OFF control circuit K is a partial voltage electricity-borrowing switch control module circuit, by rectification circuit 1,2,3,4 pin, voltage stabilizing divided circuit 5,6 pin, power output circuit 7 pin, relay output circuit 9 pin, time sequential pulse frequency counter IC, CD4060, infrared signal output circuit 11 pin and infrared signal input circuit 12 pin and three grades of weak signal amplifying circuits are formed, 1 of circuit among the described ON-OFF control circuit K, the Secondary Winding of 3 pin and current transformer B be connected in parallel or and connect behind the divider resistance R1 again and switch, load is connected in series, winding and the load P Z of current transformer B are connected in series, the resistance R 2 of 5 pin through being connected in parallel, buffer circuit D is connected with battery E is anodal, 2 pin are connected with battery E negative pole, 4,5,7,8,10 pin respectively with capacitor C 1, C2, C3, C4, C5 is anodal to be connected, and 9 pin are connected with relay J; 11 pin are connected with infrared emission tube VD2, and 12 pin are connected with infrared receiver tube VD3; Load P Z when work J gets electric adhesive, J dead electricity during load P Z standby and disconnecting.
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CNU2008200981587U CN201251698Y (en) | 2008-04-25 | 2008-04-25 | Safe and energy-saving partial voltage power-by switch |
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CNU2008200981587U CN201251698Y (en) | 2008-04-25 | 2008-04-25 | Safe and energy-saving partial voltage power-by switch |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101261500B (en) * | 2008-04-25 | 2011-11-16 | 杨富志 | Safe energy-saving partial voltage electricity-borrowing switch |
WO2021128710A1 (en) * | 2019-12-26 | 2021-07-01 | 上海派能能源科技股份有限公司 | Battery power-on circuit |
-
2008
- 2008-04-25 CN CNU2008200981587U patent/CN201251698Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101261500B (en) * | 2008-04-25 | 2011-11-16 | 杨富志 | Safe energy-saving partial voltage electricity-borrowing switch |
WO2021128710A1 (en) * | 2019-12-26 | 2021-07-01 | 上海派能能源科技股份有限公司 | Battery power-on circuit |
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Granted publication date: 20090603 Termination date: 20100425 |