CN2750081Y

CN2750081Y - Aerating device for air mattress

Info

Publication number: CN2750081Y
Application number: CN 200420090779
Authority: CN
Inventors: 叶永丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-30
Filing date: 2004-09-30
Publication date: 2006-01-04
Anticipated expiration: 2014-09-30

Abstract

The utility model relates to an air mattress inflating device, which comprises an inflating pump, an air delivery pipe, a tee joint, an air input electromagnetic valve for an air mattress body, an air flow regulating unit for an air mattress body, a massage air flow regulating unit and a controlling circuit board. An electric control circuit is used for controlling an air flow of the air mattress body of the air mattress and regulating a massage air flow. The air mattress inflating device which adopts the structure can automatically set and regulate the air flow and an inflation pressure, and enlarges the use functions of the existing air mattress inflating devices.

Description

Angry Biscuit Air Charging System

Technical field

The utility model relates to a kind of Angry Biscuit Air Charging System, relates in particular to a kind of Angry Biscuit Air Charging System that can realize that air cusion body tolerance is regulated and massage tolerance is regulated.

Background technique

The Angry Biscuit Air Charging System of Xiao Shouing in the market, its air cusion body inflation tolerance and massage tolerance can not be regulated voluntarily, can only inflate for air cushion always, behind the air cushion sufficient gas, break power supply artificially, do not note filling air cushion bad slightly, and it is very inconvenient to use.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of Angry Biscuit Air Charging System with inflation tolerance and pressure control regulatory function.

For solving the problems of the technologies described above, the utility model Angry Biscuit Air Charging System comprises inflation actuator and electric control circuit, electric control circuit is arranged on the control circuit board, inflation actuator comprises gas-filled pump, air cusion body tolerance regulon, air cusion body tolerance regulon comprises air cusion body non-return solenoid valve, the air cusion body exhaust solenoid valve, siphunculus, air cusion body exhaust pressure switch, air cusion body inflation pressure switch and inflated hose, air cusion body non-return solenoid valve one end is connected with the delivery outlet of gas-filled pump through pneumatic tube, the air cusion body non-return solenoid valve the other end is connected with an interface of siphunculus, the air cusion body exhaust solenoid valve, air cusion body exhaust pressure switch, air cusion body inflation pressure switch and inflated hose connect other interface of siphunculus respectively, air cusion body exhaust pressure switch, air cusion body inflation pressure switch is electrically connected to the corresponding contact of control circuit board.Air cusion body inflation pressure switch can be provided with several according to the function of use needs of inflation object.Two air cusion body inflation pressure switches for example are set just can realize control hard, the soft two grades of aerification functions of air cushion.

The utility model also can be provided with one group of massage tolerance regulon again, is used alternatingly to cooperate with above-mentioned air cusion body tolerance regulon, with the function of use of further this Angry Biscuit Air Charging System of expansion.This Angry Biscuit Air Charging System is except that above-mentioned parts and structure, also be provided with massage tolerance regulon and tee union, air cusion body air inlet solenoid valve, massage tolerance regulon comprises massage gas column air inlet solenoid valve, massage gas column exhaust solenoid valve, siphunculus, massage gas column exhaust pressure switch, massage gas column inflation pressure switch, gas-filled pump is connected with massage gas column air inlet solenoid valve one end with air cusion body air inlet solenoid valve respectively by tee union by pneumatic tube, the air cusion body air inlet solenoid valve the other end connects air cusion body non-return solenoid valve, the massage gas column air inlet solenoid valve the other end is connected massage gas column exhaust solenoid valve with an interface of siphunculus, massage gas column exhaust pressure switch, massage gas column inflation pressure switch and inflated hose connect other interface of siphunculus respectively.The inflator that possesses this structure just can be realized to the hard, soft of pneumatic mattress and to the multi-functional regulating and controlling of the massage tolerance of pneumatic mattress.

Adopt the Angry Biscuit Air Charging System of said structure, can automatic setting and regulate tolerance and inflation pressure, enlarged the function of use of existing Angry Biscuit Air Charging System.

The utility model is described in further detail below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is a kind of embodiment's of the utility model a structural representation.

Fig. 2 is a kind of embodiment's of the utility model control circuit a circuit block diagram.

Fig. 3 is the electrical control part electrical schematic diagram of Fig. 2.

Fig. 4 is electrical control another part electrical schematic diagram of Fig. 2.

Embodiment

As shown in Figure 1, present embodiment is a kind of Angry Biscuit Air Charging System that possesses air cusion body inflation and massage tolerance, can carry out soft, the hard two retaining inflation tolerance of pneumatic mattress and the regulating and controlling of massage gas column tolerance.This Angry Biscuit Air Charging System comprises gas-filled pump 1, pneumatic tube 2, threeway 3, air cusion body air inlet solenoid valve DZ1, air cusion body tolerance regulon A, massage tolerance regulon B and control circuit board 5; Air cusion body tolerance regulon A comprises air cusion body non-return solenoid valve DZ0, air cusion body exhaust solenoid valve DZ2, six siphunculus 4, air cusion body exhaust pressure switch 7, air cusion body inflation pressure switch 8 and inflated hose 9; Tolerance regulon B comprises massage gas column air inlet solenoid valve DZ3, massage gas column exhaust solenoid valve DZ4, five-way pipe 6, massage gas column exhaust pressure switch 11, massage gas column inflation pressure switch 12 and inflated hose 10; Gas-filled pump 1 is connected with the suction port of tee union 3 by pneumatic tube 2, two air outlets of tee union 3 connect air cusion body air inlet solenoid valve DZ1 and massage gas column air inlet solenoid valve DZ3 one end respectively, the air cusion body air inlet solenoid valve DZ1 the other end connects air cusion body non-return solenoid valve DZ0, the non-return solenoid valve DZ0 the other end is connected with an interface of six siphunculus 4, and the massage gas column air inlet solenoid valve DZ3 the other end is connected with an interface of five-way pipe 6; Air cusion body exhaust solenoid valve DZ2, air cusion body exhaust pressure switch 7, air cusion body inflation pressure switch 8 and inflated hose 9 connect other interface of six siphunculus 4 respectively; Massage gas column exhaust solenoid valve DZ4, massage gas column exhaust pressure switch 11, massage gas column inflation pressure switch 12 and inflated hose 10 connect other interface of five-way pipe 6 respectively;

Exhaust pressure switch

7,11 and

inflation pressure switch

8,12 are electrically connected to the corresponding contact of control circuit board 5.What deserves to be explained is in the present embodiment, air cusion body tolerance regulon A adopts two air cusion body

inflation pressure switch

8A, 8B, with be applicable to air cushion soft, keep off the control of tolerance firmly, two groups of inflation pad

gas pressure switch

8A, 8B connect the corresponding interface of six on-tubes 4 respectively; Siphunculus 4 and siphunculus 6 among air cusion body tolerance regulon A and the massage tolerance regulon B adopt six siphunculus and five-way pipe respectively.

After starting the inflation work order, gas-filled pump 1 is promptly started working, and pressurized air is imported air cusion body tolerance regulon A and massage tolerance regulon B respectively via pneumatic tube 2, threeway 3.When the air-bed pad is inflated, gas-filled pump 1 and air cusion body air inlet solenoid valve DZ1 valve and air cusion body non-return solenoid valve DZ0 valve are opened simultaneously, the hard shelves pressure switch 8B of air cusion body tolerance regulon A is in opening state simultaneously, input gas is given the gas transmission of air-bed pad through six siphunculus 4, inflated hose 9, and this moment, air-bed pad exhaust solenoid valve DZ2 was in closed condition.When the hard shelves inflation of air-bed pad reached preset air pressure, under hard shelves pressure switch 8B effect, air cusion body air inlet solenoid valve DZ1 and air cusion body non-return solenoid valve DZ0 closed simultaneously, and inflation quits work.

In like manner, when opening soft grade of pressure switch 8A, air cusion body air inlet solenoid valve DZ1 valve and air cusion body non-return solenoid valve DZ0 valve are opened simultaneously, and soft shelves pressure switch 8A is in opening state simultaneously, and input gas is given the gas transmission of air-bed pad through six siphunculus 4, inflated hose 9.This moment, air cusion body exhaust solenoid valve DZ2 was in closed condition.When the soft shelves inflation of air cusion body reached preset air pressure, under the effect of soft shelves pressure switch 8A, air cusion body air inlet solenoid valve DZ1 and air cusion body non-return solenoid valve DZ0 closed simultaneously, and inflation quits work.

When the air-bed pad is in soft shelves state, be hard shelves state as changing, then give hard shelves instruction again; When the air-bed pad is in hard shelves state, and to change into soft shelves state, then give soft shelves instruction again.

Working procedure and the air-bed pad tolerance regulon A of massage tolerance regulon B are identical, no longer narration.

Fig. 2, Fig. 3, Fig. 4 are the electric control theory figure of the Angry Biscuit Air Charging System of present embodiment.By design, can realize the multiple regulatory function of right pneumatic mattress inflation to control circuit.

The present embodiment electric control circuit comprises CPU, face key control circuit, massage executive circuit, gas column control circuit, soft or hard control circuit, air pressure comparison circuit, air cushion control circuit, CPU is junction surface key control circuit, massage executive circuit, gas column control circuit respectively, the gentle pressure ratio of junction surface key control circuit is than circuit respectively for the soft or hard control circuit, and the air pressure comparison circuit is connected with the air cushion control circuit.Below the major control circuit in the present embodiment is further described:

As shown in Figure 4, the soft or hard retaining control circuit that present embodiment provides is mainly by key switch S3, IC 1, IC2, IC3, IC4, IC10, IC11 and peripheral cell thereof and exhaust solenoid valve DZ2 constitute the loop, key switch S3 wherein, resistance R 5, R9, capacitor C 7, C8, IC 1 constitutes pulse circuit, IC 3

operation results export

6,13 pin of IC 4 to by 2 pin, promptly are designated as hard retaining state; IC 4 is controlled by pressure signal K switch 1, K2, K3, and in the relatively triggering loop that IC 5, IC6, IC10, IC11 and resistance R 1, R3, R7, R10, R13, R14, R23, R27 capacitor C 09, C10, C17, C18, C20 constitute.When pushing button S3, positive pulse of the 3rd pin output of IC2, the 14th pin of IC3 is an input end, after IC3 receives positive pulse, by the 2nd or 3 pin output high level, light V21 or V22 soft or hard luminotron tube simultaneously, if 2 pin of IC3 output high level, this moment, luminotron tube V21 lamp was bright, be expressed as hard retaining state, 6 of while IC4,13 receive the action of high level electronic analog swtich, and being exported 2 pin of high level triggering IC6 and kept high level to make the 3 pin upset of IC6 by 15 pin of IC5 again after the IC5 isolation processing through 1 pin of resistance R 7 to IC5 by 9, the 10 pin output high level of IC4 is that high level is through resistance R 8, triode V17, V35 open mattress three-way valve DZ1 safety check DZ0 respectively and the inflation generator is inflated to mattress.Because IC6 is connected into the high lower bound of bistable state loop, wait the pressure signal K switch 3 of IC4 top, K2, when K1 was closed, 2,3 pin of IC4 were through R10,3 of IC5, the 3 pin upset of 5,13 pin output high level IC6 is low level, at this moment triode V17, V35 ends, mattress safety check DZ0 closes, and gas-filled pump stops filling, and be hard attitude control this moment.When controlling button as the soft or hard of the S3 that heavily pushes button, (K1 is greater than K2), its the 5th pin upset of 6 pin that 12 pin of IC5 output high level triggers IC11 is for high level and through resistance R 35 air cusion body outlet valve DZ2 is opened the mattress air pressure low pressure (3KPa) of releasing and stop, and be that soft attitude is controlled this moment.How air pressure is remained between the 1.5KPa-3KPa, the roughly the same hard attitude control of its control procedure is the same.

As shown in Figure 4, the air pressure comparison loop is by IC 4, IC5, IC6, pressure signal K switch 1, K2, K3 and IC 10, formations such as IC11.The hard shelves of present embodiment pressure is set at and is 3KPa-6Kpa, and soft shelves pressure is 1.5KPa-3KPa.When hard shelves pressure signal K switch 1 pressure was lower than 6KPa, 2,3 pin of IC4 were closed 6 pin that transfer low level IC 6 to and also are low level, still are low level because IC6 is connected into its 3 pin of the high lower bound of bistable state loop.Have only when pressure signal K switch 2 to be lower than 3KPa, when 2 pin of IC6 are in low level its 3 pin automatically upset be high level, mattress safety check DZ0 and air pump were opened tonifying Qi and were stopped up to the K1 closure this moment.So hard shelves pressure will remain between the 3KPa-6Kpa.If K1 by button S3, at first exports 16 pin of comparison signal through IC10 by 4,8 pin of IC4 with K2 as the words of soft shelves 3KPa peak as hard shelves 6Kpa peak, and 6 pin, 5 pin of IC11 transfer out pulse through R35, V40, V43 opens I) the Z2 venting.Transfer air pressure (K1) 6Kpa to (K2) 3Kpa as soft shelves peak.It keeps soft attitude to compare control procedure roughly the same.

As shown in Figure 3, Figure 4, the gas column control circuit is input to signal input part the 4th, 6 pin of IC10 respectively through resistance R 49 by the P1.0 mouth output pulse signal of CPU, be that joint mark F links to each other with symbol F among Fig. 4 among Fig. 3, the figure, by 4 of IC10,6 pin receive and through 12 pin of IC10,9 pin of IC11, triode V48, V51 give the inflation of DZ3 gas column.When finish 4,6 pin by IC10 of massage receive by the P1.0 mouth output massage signal that finishes, and 9 pin of IC10 are through triode V55, and V56 gives the venting of DZ4 gas column.

Require the mattress venting to make the soft body curve of being fit to of mattress during massage, again the inflation of the gas column in the mattress is held up massage motor and make its better contact human body reach best massage effect.As shown in Figure 4, the air cushion control circuit is exported pulse through 4 of IC 10 by the P1.0 mouth of the IC 1 of Fig. 1,6 pin, 8 pin of IC 5 are respectively by IC 5, IC10, the IC11 output of making comparisons, one tunnel 10 pin through

IC

5,4 pin of IC 6 are locked with IC 6, and pneumatic mattress is not in inflation under any state.One tunnel 5 pin through IC 11, resistance R 35 triode V40, V43 opens the pneumatic mattress venting with exhaust solenoid valve DZ2, and its blow off pressure is controlled by IC4, K2, K3.One tunnel 9 pin through IC 11, triode V48, V51 opens gas column air inlet solenoid valve DZ3, and the gas column in the pad begins inflation, and its inflation pressure is controlled by the R46 of IC11, K5.Massage finishes, gas column air pressure is through 9 pin of IC 10 in the pad, triode V55, V56 opens gas column exhaust solenoid valve DZ4 and begins venting, IC 6 unloads and puts locking simultaneously, gas-filled pump and air inlet solenoid valve DZ1 are opened in 3 pin output pulse by IC 6 simultaneously, and pneumatic mattress begins to recover the soft or strong-willed pressure of tonifying Qi to former setting.Fig. 2 is seen in the normal barometric pressure holding circuit control of air cushion, this circuit is by IC 4, IC5, IC6, pressure signal K switch 1, K2, K3 form high lower bound and judge, soft shelves 1.5Kpa-3Kpa, hard shelves 3Kpa-6Kpa, if be lower than soft shelves 1.5Kpa, hard shelves 3Kpa, 3 pin of IC 6 all will be exported the pulsed drive air pump and carry out tonifying Qi.Wherein resistance R 51, triode V17, resistance R 2, inflation tutorial light, photoelectricity trigger tube U1, resistance R 6, bidirectional triode thyristor Q1, constitute the gas-filled pump control loop, triode V35, resistance R 11, R12, triode V32, V36 constitute air inlet solenoid valve DZ1 switch loop.

As shown in Figure 3, the massage executive circuit is by button S4, and V31, P34 constitute massage and trigger the loop, and through IC 1, the CPU computing is by intergrated circuit P11, P12, P13, P14, P15 output different conditions pulsed drive micro motor D1, D2, D3, D4, D5 work.

For guaranteeing sleep or not needing the pneumatic mattress working state to fill inflation air pump inoperative down that present embodiment also is provided with sleep control circuit in electric control circuit.As shown in Figure 4, this circuit integral body is made of IC 7, photo coupler G2, G3, IC 8, IC9 and button S11.IC 7 constitutes the bistable state loop, IC 8 constitutes astable multivibrator, IC 9 is binary pulse counters, by IC 8, IC9, resistance R 21, R38, capacitor C 12 is formed 10 hours timer, when clicking button S11, the 3rd pin of IC 7 output positive pulse and in locking, trigger photo coupler G3 conducting, positive 5V power supply is given IC 8 by photo coupler G3, IC9 power supply, constantly to IC 9 the 9th pin transport pulse, timing is low level through resistance R 22 trigger switch pipe V38 conductings with the 3rd pin preset upset of IC 7 to the 1st pin output high level of IC 9 by the 3rd pin of IC 8, not conducting of photo coupler G3, IC 8, the IC9 dead electricity quits work, and timing quits work.Photo coupler G2 is in not conducting of timing, and IC 6 dead electricity are not worked, to guarantee that at any time the mattress air pump is not worked.

Claims

1, a kind of Angry Biscuit Air Charging System, comprise inflation actuator and electric control circuit, electric control circuit is arranged on the control circuit board (5), it is characterized in that inflating actuator and comprise gas-filled pump (1), air cusion body tolerance regulon (A), air cusion body tolerance regulon (A) comprises air cusion body non-return solenoid valve (DZ0), air cusion body exhaust solenoid valve (DZ2), siphunculus (4), air cusion body exhaust pressure switch (7), air cusion body inflation pressure switch (8) and inflated hose (9), air cusion body non-return solenoid valve (DZ0) end is connected through the delivery outlet of pneumatic tube (2) with gas-filled pump (1), air cusion body non-return solenoid valve (DZ0) the other end is connected with an interface of siphunculus (4), air cusion body exhaust solenoid valve (DZ2), air cusion body exhaust pressure switch (7), air cusion body inflation pressure switch (8) and inflated hose (9) connect other interface of siphunculus (4), air cusion body exhaust pressure switch (7) respectively, air cusion body inflation pressure switch (8) is electrically connected to the corresponding contact of control circuit board (5).

2, Angry Biscuit Air Charging System according to claim 1, it is characterized in that being provided with two air cusion body inflation pressure switches (8A, 8B), air cusion body inflation pressure switch (8A, 8B) connects the corresponding interface of siphunculus (4) and the corresponding contact of control circuit board (5) respectively.

3, Angry Biscuit Air Charging System according to claim 1 and 2, it is characterized in that also being provided with massage tolerance regulon (B) and tee union (3), air cusion body air inlet solenoid valve (DZ1), massage tolerance regulon (B) comprises massage gas column air inlet solenoid valve (DZ3), massage gas column exhaust solenoid valve (DZ4), siphunculus (6), massage gas column exhaust pressure switch (11), massage gas column inflation pressure switch (12), gas-filled pump (1) is connected with massage gas column air inlet solenoid valve (DZ3) end with air cusion body air inlet solenoid valve (DZ1) respectively by tee union (3) by pneumatic tube (2), air cusion body air inlet solenoid valve (DZ1) the other end connects air cusion body non-return solenoid valve (DZ0), massage gas column air inlet solenoid valve (DZ3) the other end is connected with an interface of siphunculus (6), massage gas column exhaust solenoid valve (DZ4), massage gas column exhaust pressure switch (11), massage gas column inflation pressure switch (12) and inflated hose (10) connect other interface of siphunculus (6) respectively, massage gas column exhaust pressure switch (11), massage gas column inflation pressure switch (12) is electrically connected to the corresponding contact of control circuit board (5).

4, Angry Biscuit Air Charging System according to claim 3, it is characterized in that electric control circuit comprises CPU, face key control circuit, massage executive circuit, gas column control circuit, soft or hard control circuit, air pressure comparison circuit, air cushion control circuit, CPU is junction surface key control circuit, massage executive circuit, gas column control circuit respectively, the gentle pressure ratio of junction surface key control circuit is than circuit respectively for the soft or hard control circuit, and the air pressure comparison circuit is connected with the air cushion control circuit.

5, Angry Biscuit Air Charging System according to claim 4, it is characterized in that the soft or hard control circuit is by push-button switch (S3), intergrated circuit (IC1, IC2, IC3, IC4, IC10, IC11) and peripheral cell and air cusion body exhaust solenoid valve (DZ2) constitute the loop, push-button switch (S3) wherein, resistance (R5, R9), electric capacity (C7, C8), intergrated circuit (IC1) constitutes pulse circuit, intergrated circuit (IC3) operation result exports 6 of intergrated circuit (IC4) to by 2 pin, 13 pin, intergrated circuit (IC4) is controlled by pressure signal switch (K1, K2, K3), and in intergrated circuit (IC5, IC6, IC10, IC11) and resistance (R1, R3, R7, R10, R13, R14, R23, R27), electric capacity (C09, C10, C17, C18, C20) constituent ratio triggers the loop.

6, Angry Biscuit Air Charging System according to claim 4, it is characterized in that the air pressure comparison loop by intergrated circuit (IC4, IC5, IC6), the pressure signal switch (K1, K2, K3) and intergrated circuit (IC10 IC11) constitutes.

7, Angry Biscuit Air Charging System according to claim 4, it is characterized in that the gas column control circuit is input to the signal input part the 4th of intergrated circuit (IC10) respectively through resistance (R49) by the P1.0 mouth output pulse signal of CPU, 6 pin, by 4 of intergrated circuit (IC10), 6 pin receive and through 12 pin of intergrated circuit (IC10), 9 pin of intergrated circuit (IC11), triode (V48, V51) send massage gas column air inlet solenoid valve (DZ3) to, when massage finishes by 4 of intergrated circuit (IC10), 6 pin receive by the output of P1.0 mouth and massage the signal that finishes, and 9 pin of intergrated circuit (IC10) through triode (V55, V56) send to the massage gas column exhaust solenoid valve (DZ4).

8, Angry Biscuit Air Charging System according to claim 4, it is characterized in that the air cushion control circuit by the P1.0 mouth of intergrated circuit (IC1) output pulse through 4 of intergrated circuit (IC10), 6 pin, 8 pin of intergrated circuit (IC5) are respectively by intergrated circuit (IC5, IC10, IC11) output of making comparisons, one tunnel 10 pin through intergrated circuit (IC5), 4 pin of intergrated circuit (IC6) are locked with intergrated circuit (IC6), one tunnel 5 pin through intergrated circuit (IC11), (V40 V43) opens air cusion body exhaust solenoid valve (DZ2) resistance (R35) triode, one tunnel 9 pin through intergrated circuit (IC11), triode (V48, V51) will massage gas column air inlet solenoid valve (DZ3) and open, massage finishes, and gas column air pressure is through 9 pin of intergrated circuit (IC10) in the pad, triode (V55, V56) open gas column massage gas column exhaust solenoid valve (DZ4), intergrated circuit (IC6) unloads and puts locking simultaneously, opens gas-filled pump (1) and air cusion body air inlet solenoid valve (DZ1) simultaneously by the 3 pin output pulse of intergrated circuit (IC6).

9, Angry Biscuit Air Charging System according to claim 4, it is characterized in that massaging executive circuit by button (S4), the P34 of diode (V31) and CPU constitutes massage and triggers the loop, through the P11 of CPU computing by CPU, P12, P13, P14, P15 mouth output different conditions pulsed drive micro motor (D1, D2, D3, D4, D5) work.

10, Angry Biscuit Air Charging System according to claim 4, it is characterized in that electric control circuit also is provided with sleep control circuit, sleep control circuit is by intergrated circuit (IC7), photo coupler (G2, G3), intergrated circuit (IC8, IC9) and button (S11) constitute, intergrated circuit (IC7) constitutes the bistable state loop, intergrated circuit (IC8) constitutes astable multivibrator, intergrated circuit (IC9) is the binary pulse counter, by intergrated circuit (IC8, IC9), resistance (R21, R38), electric capacity (C12) is formed timer, when clicking button (S11), the 3rd pin of intergrated circuit (IC7) output positive pulse and in locking, trigger photo coupler (G3) conducting, power supply is given intergrated circuit (IC8 by photo coupler (G3), IC9) power supply, by the 3rd pin of intergrated circuit (IC8) constantly to intergrated circuit (IC9) the 9th pin transport pulse, timing is low level through resistance (R22) trigger switch pipe (V38) conducting with the 3rd pin preset upset of intergrated circuit (IC7) to the 1st pin of intergrated circuit (IC9) output high level, not conducting of photo coupler (G3), intergrated circuit (IC8, IC9) dead electricity quits work, timing quits work, photo coupler (G2) is in not conducting of timing, and intergrated circuit (IC6) dead electricity is not worked.