CN2285449Y - Fully automatic gas water-heater capable of preventing incomplete combustion - Google Patents

Fully automatic gas water-heater capable of preventing incomplete combustion Download PDF

Info

Publication number
CN2285449Y
CN2285449Y CN 96240558 CN96240558U CN2285449Y CN 2285449 Y CN2285449 Y CN 2285449Y CN 96240558 CN96240558 CN 96240558 CN 96240558 U CN96240558 U CN 96240558U CN 2285449 Y CN2285449 Y CN 2285449Y
Authority
CN
China
Prior art keywords
resistance
utmost point
triode
power supply
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 96240558
Other languages
Chinese (zh)
Inventor
卢楚鹏
胡学文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WANHE ENTERPRISE GROUP CO SHUNDE CITY
Original Assignee
WANHE ENTERPRISE GROUP CO SHUNDE CITY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WANHE ENTERPRISE GROUP CO SHUNDE CITY filed Critical WANHE ENTERPRISE GROUP CO SHUNDE CITY
Priority to CN 96240558 priority Critical patent/CN2285449Y/en
Application granted granted Critical
Publication of CN2285449Y publication Critical patent/CN2285449Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to a fully automatic gas water heater capable of preventing incomplete combustion, which is provided with a heat exchange blocking safety protection device composed of a temperature detector and a blocking control circuit. When the heat exchanger is blocked, the state can be detected in time by the temperature detector and be fed rapidly back to the blocking control circuit to control the shutdown of the water heater to prevent the water heater from producing excessive carbon monoxide when the water heater burns, meanwhile, the sensitivity of the flame sampling mechanism of the utility model is high, when the water heater burns under the condition of poor ventilation, the shutdown of the water heater can be rapidly controlled to prevent the water heater from occurring the condition of combustion condition so as to ensure users' safe handling, and furthermore, the utility model is also provided with a low voltage protection circuit to prevent the water heater from occurring explosion when the voltage of a battery is insufficient.

Description

Anti-unburnt full-automatic gas-fired water heater
The utility model relates to a kind of gas heater, particularly a kind of anti-unburnt full-automatic gas-fired water heater.
Existing gas heater; generally all be provided with and consider that blocking problem appears in heat exchanger; therefore the corresponding protection device is not set yet; and the water heater in actual the use; after using a period of time; the part that its heat exchanger can occur is more or less stopped up; so that produce excessive carbon monoxide during the water heater burning; seriously jeopardize user's safety, in addition, the sensitivity of existing its flame sampling mechanism of water heater is not higher yet; when water heater burns under the ventilation condition of poor; fail to feed back to rapidly control circuit, fail in time to control the shutdown of water heater, so that cause unnecessary accident.
The purpose of this utility model is to overcome above-mentioned shortcoming and a kind of anti-unburnt full-automatic gas-fired water heater that heat exchanger stops up safety guard that is provided with is provided; And further purpose is to provide a kind of higher anti-unburnt full-automatic gas-fired water heater of sensitivity of its bad safety guard of taking a breath.
Structural representation of the present utility model as shown in drawings, include water inlet pipe (1), outlet pipe (2), air inlet pipe (3), magnetic valve (4), burner (5), heat exchanger (6), igniting pin (7), signal pin (8), housing (9) and control circuit, wherein control circuit includes ignition timing control circuit (11), pulse firing circuit (12), moving circuit (13) is inhaled in the magnetic valve time-delay, signal deteching circuit (14), holding circuit (15), water inlet pipe (1) and outlet pipe (2) are connected with the lower end and the upper end of heat exchanger (6) respectively, air inlet pipe (3) is connected with burner (5), magnetic valve (4) is arranged on the air inlet pipe (3), it is inhaled moving winding and is connected with the moving circuit (13) of magnetic valve time-delay suction, heat exchanger (6) places the top of burner (5), igniting pin (7) places the side of burner (5), and be connected with the output of pulse firing circuit (12), the input of ignition timing control circuit (11) is connected with the positive pole of power supply, output is connected with the input of pulse firing circuit (12) and the input of holding circuit (15) respectively, the input of signal deteching circuit (14) is connected with the signal pin (8) and the power supply that place burner (5) side, output is connected with ignition timing control circuit (11) and holding circuit (15) respectively, the front side of heat exchanger (6) is provided with detection window (9), the side of detection window (9) is provided with temperature-detecting device (10), also include jam signal control circuit (16) in the control circuit, the input of jam signal control circuit (16) is connected with power supply and temperature-detecting device (10), and output is connected with holding circuit (15).
For improving the sensitivity of water heater flame sampling mechanism, so that water heater burning under the ventilation condition of poor time can feed back to control circuit rapidly by signal pin, the signal pin (8) that the interior set flame sampling mechanism of burner (5) is φ 1.2mm places the side of the set detection fire hole of burner (5), detects the locational firestopping piece of fire hole (23) and is provided with the breach (24) that increases blast tube.
The utility model stops up safety guard owing to be provided with the heat exchanger of being made up of temperature-detecting device and obstruction control circuit, when heat exchanger stops up, temperature-detecting device can detect its situation in time and feed back to rapidly and stop up control circuit with the shutdown of control water heater, to avoid water heater when burning to produce excessive carbon monoxide, ensure that effectively the user's is safe in utilization; Simultaneously; because the sensitivity of flame sampling mechanism of the present utility model is higher; when water heater burns under the ventilation condition of poor; can by signal pin the flame anomalous signals be fed back to control circuit rapidly; control the water heater shutdown by control circuit, thereby guarantee user's safe handling, in addition; the utility model also is provided with under-voltage protection circuit and the not enough display circuit of cell voltage, to prevent water heater generation detonation and to remind the user in time to change battery.The utility model is a kind of anti-unburnt full-automatic gas-fired water heater simple in structure, safe in utilization.
Describe concrete structure of the present utility model and working condition in detail below in conjunction with accompanying drawing:
Fig. 1 is a structure principle chart of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the A-A cutaway view among Fig. 2;
Fig. 4 is the B-B cutaway view among Fig. 2;
Fig. 5 is the functional-block diagram of the utility model control circuit;
Fig. 6 is circuit theory diagrams of the present utility model.
Structural representation of the present utility model as shown in drawings; include water inlet pipe (1); outlet pipe (2); air inlet pipe (3); magnetic valve (4); burner (5); heat exchanger (6); igniting pin (7); signal pin (8); housing (22); temperature-detecting device (10) and control circuit; wherein control circuit includes ignition timing control circuit (11); pulse firing circuit (12); moving circuit (13) is inhaled in the magnetic valve time-delay; signal deteching circuit (14); holding circuit (15); jam signal control circuit (16); the not enough display circuit (18) of under-voltage protection circuit (17) and cell voltage; one end of water inlet pipe (1) is connected with cold water source by water intaking valve (19); the other end is connected with the lower end of heat exchanger (6); one end of outlet pipe (2) is connected with the upper end of heat exchanger (6); the other end is connected with user's faucet by outlet valve (20); one end of air inlet pipe (3) is connected with source of the gas by gas source switch (21); the other end is connected with burner (5) by magnetic valve (4); igniting pin (7) and signal pin (8) place the side of burner (5); the front side of heat exchanger (6) is provided with detection window (9); temperature-detecting device (10) places the side of heat exchanger (6) detection window; ignition timing control circuit (11); moving circuit (13) is inhaled in the magnetic valve time-delay; signal deteching circuit (14); holding circuit (15); jam signal control circuit (16); low-voltage holding circuit (17); the input of the not enough display circuit of cell voltage (18) all is connected with the positive pole of power supply; its working power provides by power supply; the working power of pulse firing circuit (12) is provided by ignition timing control circuit (11); the output of ignition timing control circuit (11) is connected with the input of pulse firing circuit (12) and holding circuit (15) respectively; the input of signal deteching circuit (14) is connected with signal pin (8); output is connected with the input of ignition timing control circuit (11) and holding circuit (15) respectively; the input of jam signal control circuit (16) is connected with temperature-detecting device (10); output is connected with the input of holding circuit (15); the input that moving circuit (13) is inhaled in the time-delay of the output of under-voltage protection circuit (17) and magnetic valve is connected, inhale during the magnetic valve time-delay move circuit (13) and holding circuit (15) output respectively with the suction moving winding L of magnetic valve (4) 6And keep coil L 5Connect.For improving the sensitivity of water heater flame sampling mechanism, so that water heater burning under the ventilation condition of poor time can feed back to control circuit rapidly by signal pin, set flame sampling mechanism is the side that φ 1.2mm signal pin (8) places set detection fire hole in the burner (5) in the burner (5), detect the locational firestopping piece of fire hole (23) and be provided with the breach (24) that increases blast tube, above-mentioned ignition timing control circuit (11) is by triode BG 2, BG 3, BG 4, capacitor C 1, C 2, C 3, resistance R 4, R 5, R 6Form triode BG 2The b utmost point be connected with the output of signal deteching circuit (14), the e utmost point is connected with the negative pole of power supply, the c utmost point passes through resistance R 4S with positive source 1End connects, triode BG 3The b utmost point and resistance R 5An end connect resistance R 5The other end respectively with the normal-closed end S of positive source 1, resistance R 4And capacitor C 1Positive pole connect capacitor C 1The other end be connected triode BG with the negative pole of power supply 3The e utmost point be connected the c utmost point and triode BG with the negative pole of power supply 4The b utmost point connect triode BG 4The e utmost point and the S of positive source 2End connects, and is connected with resistance R between the b utmost point and the e utmost point 6, triode BG 4The c utmost point respectively with capacitor C 2, C 3Positive pole connect, and by diode D 5Be connected capacitor C with the input of holding circuit (15) 2, C 3Negative pole respectively with the S of positive source 1The negative pole of end and power supply connects.Pulse firing circuit (12) is formed by two-stage oscillating circuit serial connection.This two-stage oscillating circuit is respectively by inductance L 1, L 2, L 3, resistance R 7, diode D 2, triode BG 5The first order oscillating circuit of forming reaches by inductance L 4, controllable silicon SCR, capacitor C 4, diode D 3, D 4, resistance R 9, R 10, R 11, pulse transformer T 1The second level oscillating circuit of forming; Triode BG 5The B utmost point respectively with resistance R 7An end and diode D 2Negative electrode connect diode D 2Anode be connected resistance R with the negative pole of power supply 7The other end respectively with inductance L 1, L 2An end connect inductance L 2The other end be connected inductance L with the negative pole of power supply 1The other end respectively with the output and the inductance L of ignition timing control circuit (1) 3An end connect triode BG 5The e utmost point be connected with the negative pole of power supply, the c utmost point respectively with inductance L 3, L 4An end connect L 4The other end and diode D 3Anode connect; The control utmost point of controllable silicon ScR respectively with resistance R 9, R 10An end connect R 10The other end be connected R with the negative pole of power supply 9The other end respectively with inductance L 4An end and triode BG 5The C utmost point connect, the anode of controllable silicon SCR is connected with the negative pole of power supply, anode respectively with diode D 3Negative electrode, capacitor C 4, resistance R 11An end connect, resistance R 11The other end be connected capacitor C with the negative pole of power supply 4The other end respectively with diode D 4Anode and pulse transformer T 1One end of input coil connects, diode D 4Negative electrode and T 1The other end of input coil all is connected with the negative pole of power supply, pulse transformer T 1One end of output winding is connected with the negative pole of power supply, and the other end is connected with igniting pin (7).In addition, for the working condition of this circuit of reflection directly perceived, above-mentioned inductance L 2With diode D 2Anode between also be connected with by resistance R 8With LED 1The series circuit of forming; The magnetic valve time-delay is inhaled moving circuit (3) by triode BG 8, BG 9, BG 10, BG 11, diode D 7, D 8, D 9, resistance R 15, R 16, R 17, R 18, capacitor C 5, C 6Form triode BG 8The b utmost point respectively with diode D 7Anode and resistance R 15An end connect diode D 7Negative electrode and resistance R 15The other end all be connected triode BG with the positive pole of power supply 8The e utmost point be connected with the negative pole of power supply, the c utmost point respectively with diode D 9Negative electrode and resistance R 16An end connect, and be connected with capacitor C between the b utmost point and the e utmost point 5, diode D 9Anode respectively with diode D 8Anode, resistance R 17An end, triode BG 9The b utmost point be connected with the output of under-voltage protection circuit (17) and be connected with the negative pole of power supply by electric capacity c6, the e utmost point is connected with the negative pole of power supply, the c utmost point respectively with resistance R 18An end, triode BG 10The b utmost point and triode BG 11The b utmost point connect resistance R 18The other end, triode BG 10, BG 11E extremely all be connected triode BG with the positive pole of power supply 10, BG 11C extremely all with the suction moving winding L of magnetic valve (4) 6An end connect L 6The other end be connected with the negative pole of power supply.Signal deteching circuit (14) is by triode BG 1, resistance R 1, R 2, R 3, diode D 1Form triode BG 1The b utmost point respectively with resistance R 1, R 2An end connect, the e utmost point is connected with the positive pole of power supply, the c utmost point passes through resistance R respectively 3Be connected with the input of ignition timing control circuit (1) and by diode D 1Be connected resistance R with the input of holding circuit (15) 1, R 2The other end be connected with the positive pole of signal pin (8) and power supply respectively.Holding circuit (15) is by triode BG 6, BG 7, resistance R 12, R 13, R 14, diode D 6Form triode BG 6The b utmost point pass through resistance R 12Be connected with the output of signal deteching circuit (14) and ignition timing control circuit (1), the e level respectively with diode D 6Anode and magnetic valve (4) keep coil L 5An end connect, and be connected with the negative pole of power supply, the c utmost point respectively with resistance R 13, R 14An end connect triode BG 7The b utmost point and resistance R 14The other end connect triode BG 7The e utmost point and resistance R 13The other end all be connected triode BG with the positive pole of power supply 7The c utmost point respectively with diode D 6Negative electrode and magnetic valve (4) keep coil L 5The other end connect.Said temperature checkout gear (10) is a thermocouple, and jam signal control circuit (16) is by operational amplifier L 1: B, triode BG 12And resistance R 19, R 20, R 21, R 22, R 23, R 24, R 25Form operational amplifier L 1: the positive input terminal of B passes through resistance R 19Be connected with an end of thermocouple, negative input end passes through resistance R 20Be connected with the other end of thermocouple, and be connected with the negative pole of power supply, its output passes through resistance R 22Be connected with the positive pole of power supply and pass through resistance R 23With triode BG 12The b utmost point connect triode BG 12The e utmost point be connected triode BG with the negative pole of power supply 12The c utmost point be connected resistance R with the input of holding circuit (15) 24And adjustable resistance R 25Be serially connected in triode BG 12The b utmost point and the e utmost point between.Under-voltage protection circuit (17) is by operational amplifier L 1: A, diode D 10, D 11, resistance R 26, R 27, R 28, R 29Form operational amplifier L 1: the power end of A is connected with the positive and negative electrode of power supply respectively, operational amplifier L 1: the positive input terminal of A respectively with resistance R 26, R 27An end connect resistance R 26, R 27The other end be connected operational amplifier L respectively with the positive and negative electrode of power supply 1: the negative input end of A respectively with resistance R 28An end and with diode D 10Anode connect resistance R 28The other end and diode D 10Negative electrode be connected operational amplifier L respectively with the positive and negative electrode of power supply 1: the output of A is by diode D 11Inhale moving circuit (13) with the magnetic valve time-delay and be connected resistance R 29Be connected operational amplifier L 1: between the output of A and the positive pole of power supply.Undertension display circuit (18) is by triode BG 13, BGG 14, resistance R 30, R 31, R 32, R 33, R 34, luminous two the pipe LED 2Form triode BG 13The b utmost point respectively with resistance R 30And R 31An end connect resistance R 30The other end and R 34An end connect R 34And R 31The other end be connected triode BG respectively with the positive and negative electrode of power supply 13The e utmost point be connected with the positive pole of power supply, the c utmost point passes through resistance R 32Be connected triode BG with the negative pole of power supply 14The b utmost point and triode BG 13The c utmost point connect, the e utmost point is connected with the positive pole of power supply, the c utmost point passes through resistance R 32With LED 2Positive pole connect LED 2Negative pole be connected with the negative pole of power supply.
The utility model is opened water intaking valve (19), gas source switch (21) in use, and hydraulic pressure is started the switch of power supply by S 1Location plate to S 2The position, then complete machine is started working, in ignition timing control circuit (11), the electrochemical capacitor C of former charging 3VDC 1Through resistance R 5, triode BG 3Discharge, triode BG 4Conducting provides working power for pulse firing circuit (12), simultaneously through diode D 5Control signal is provided for holding circuit (15); Pulse firing circuit (12) obtains working power from ignition timing control circuit (11), by inductance L 1, L 2, L 3Resistance R 7, diode D 2, triode BG 5Form the one-level oscillating circuit, produce alternating voltage, by coil L 4, controllable silicon ScR, capacitor C 4, diode D 3, D 4, resistance R 9, R 10, R 11, pulse transformer T 1Form second level oscillating circuit, at T 1Output winding in produce 14KV the high-voltage pulse sparking, after the high-voltage pulse sparking, inhaling moving circuit (13) by the magnetic valve time-delay, that the magnetic valve time-delay was inhaled in 1 second is moving, to prevent its detonation, the moving time is inhaled in magnetic valve (4) time-delay can be by setting resistance R 17, capacitor C 6Charge constant decide triode BG 9Conducting, make triode BG 10, BG 11Conducting, the suction moving winding L of magnetic valve (4) 6Inhale and move coil L 6Operate time by setting electric cloudy R 15, capacitor C 5Charge constant decide triode BG 8Conducting, electrochemical capacitor C 6Through diode D 9, triode BG 8Discharge makes triode BG 9End, thereby make triode BG 10, BG 11Also end, inhale moving winding L 6Reset; After water heater was lighted, signal deteching circuit (14) detected flare up fire by signal pin (8), triode BG 1Conducting provides signal to make holding circuit (15) work, makes the triode BG of ignition timing control circuit simultaneously 2Conducting, electrochemical capacitor C 1Through resistance R 4, triode BG 2And resistance R 5, triode BG 3Discharge simultaneously makes pulse firing circuit (12) stop sparking in advance; Holding circuit (15) is during the water heater sparking, and its end is gone into end and passed through diode D by ignition timing control circuit (11) 5Signal is provided or passes through diode D by signal deteching circuit (14) 1Provide signal, through resistance R 12Make triode BG 6Conducting, triode BG 7Conducting thereupon, thus make magnetic valve (4) keep coil L 5Work is so that magnetic valve (4) continues adhesive; When water heater is changing condition of poor when burning, its burned flame changes, and signal deteching circuit (14) detects less than flare up fire, triode BG 1End, holding circuit (15) quits work, thus make magnetic valve (4) keep coil L 5Reset, magnetic valve (4) resets, and cuts off source of the gas; When the heat exchanger (6) of water heater stopped up, the flame of burner (5) was drawn high, and detection window has flue gas to flow out; Make the temperature rising of detection window bigger, be installed in the thermocouple of detection window side, its thermoelectrical potential varies with temperature and changes, therefore, the thermoelectrical potential of thermocouple can increase, when the blocking area reaches one regularly, the thermoelectrical potential of thermocouple also is raised to certain value, through resistance R 19With operational amplifier L 1: B amplifies and by triode BG 12 controls are because of triode BG 12The c utmost point and the triode BG in the holding circuit (15) 6The b utmost point connect, so make holding circuit (15) quit work, magnetic valve (4) resets, the cut-out source of the gas is with the generation of accident prevention.After the power supply 3VDC of control circuit dry cell used a period of time, its voltage of full load was lower than 70% o'clock of rated voltage, and under-voltage protection circuit (27) passes through resistance R 26, R 27And resistance R 28, diode D 10The voltage ratio of two branch roads, again through diode D 11Inhale triode BG in the moving circuit (3) with the magnetic valve time-delay 9Base stage connect, quit work thereby make the magnetic valve time-delay inhale moving circuit (3), not adhesive of magnetic valve (4) is in case water heater generation detonation; In addition, after dry cell used the long period, when undertension occurring, the not enough display circuit of cell voltage (18) passed through resistance R 30, R 31Dividing potential drop makes triode BG 13End triode BG 3Conducting, red light emitting diodes LED 2Shinny, the reminding user to replace battery.

Claims (13)

1, a kind of anti-unburnt full-automatic gas-fired water heater, include water inlet pipe (1), outlet pipe (2), air inlet pipe (3), magnetic valve (4), burner (5), heat exchanger (6), igniting pin (7), signal pin (8), housing (9) and control circuit, wherein control circuit includes ignition timing control circuit (11), pulse firing circuit (12), moving circuit (13) is inhaled in the magnetic valve time-delay, signal deteching circuit (14), holding circuit (15), water inlet pipe (1) and outlet pipe (2) are connected with the lower end and the upper end of heat exchanger (6) respectively, air inlet pipe (3) is connected with burner (5), magnetic valve (4) is arranged on the air inlet pipe (3), it is inhaled moving winding and is connected with the moving circuit (13) of magnetic valve time-delay suction, heat exchanger (6) places the top of burner (5), igniting pin (7) places the side of burner (5), and be connected with the output of pulse firing circuit (12), the input of ignition timing control circuit (11) is connected with the positive pole of power supply, output is connected with the input of pulse firing circuit (12) and the input of holding circuit (15) respectively, the input of signal deteching circuit (14) is connected with the signal pin (8) and the power supply that place burner (5) side, output is connected with ignition timing control circuit (11) and holding circuit (15) respectively, the front side that it is characterized in that heat exchanger (6) is provided with detection window (9), the side of detection window (9) is provided with temperature-detecting device (10), also include jam signal control circuit (16) in the control circuit, the input of jam signal control circuit (16) is connected with power supply and temperature-detecting device (10), and output is connected with holding circuit (15).
2, gas heater according to claim 1, it is characterized in that set flame sampling mechanism is the side that signal pin (8) places the set detection fire hole of burner (5) in the said burner (5), detect the locational firestopping piece of fire hole (23) and be provided with the breach (24) that increases blast tube.
3, gas heater according to claim 1 and 2 is characterized in that said temperature checkout gear (10) is a thermocouple, and jam signal control circuit (16) is by operational amplifier L 1: B, triode BG 12And resistance R 19, R 20, R 21, R 22, R 23, R 24, R 25Form operational amplifier L 1: the positive input terminal of B passes through resistance R 19Be connected with an end of galvanic couple, negative input end passes through resistance R 20Be connected with the other end of thermocouple, and be connected with the negative pole of power supply, its output passes through resistance R 21Link to each other with negative input end and pass through resistance R 22Be connected with the positive pole of power supply and pass through resistance R 23With triode BG 12The b utmost point connect triode BG 12The e utmost point be connected triode BG with the negative pole of power supply 12The c utmost point be connected resistance R with the input of holding circuit (15) 24And adjustable resistance R 25Be serially connected in triode BG 12The b utmost point and the e utmost point between.
4, gas heater according to claim 1 and 2 is characterized in that also including in the above-mentioned control circuit under-voltage protection circuit (17), and its input is connected with the positive pole of power supply, and output is inhaled moving circuit (13) with the magnetic valve time-delay and is connected.
5, according to claim 4 fast gas heater, it is characterized in that above-mentioned under-voltage protection circuit (17) is by operational amplifier L 1: A, diode D 10, D 11, resistance R 26, R 27, R 28, R 29Form operational amplifier L 1: the power end of A is connected with the positive and negative electrode of power supply respectively, operational amplifier L 1: the positive input terminal of A respectively with resistance R 26, R 27An end connect resistance R 26, R 27The other end be connected operational amplifier L respectively with the positive and negative electrode of power supply 1: the negative input end of A respectively with resistance R 28An end and with diode D 10Anode connect resistance R 28The other end and diode D 10Negative electrode be connected operational amplifier L respectively with the positive and negative electrode of power supply 1: the output of A is by diode D 11Inhale moving circuit (13) with the magnetic valve time-delay and be connected resistance R 29Be connected operational amplifier L 1: between the output of A and the positive pole of power supply.
6, gas heater according to claim 1 and 2 is characterized in that also including in the control circuit the not enough display circuit (18) of cell voltage, and it is connected on the power circuit.
7, gas heater according to claim 6 is characterized in that the not enough display circuit of above-mentioned cell voltage (18) is by triode BG 13, BG 14, resistance R 30, R 31, R 32, R 33, R 34, luminous two the pipe LED 2Form triode BG 13The b utmost point respectively with resistance R 30And R 31An end connect resistance R 30The other end and R 34An end connect R 34And R 31The other end be connected triode BG respectively with the positive and negative electrode of power supply 13The e utmost point be connected with the positive pole of power supply, the c utmost point passes through resistance R 32Be connected triode BG with the negative pole of power supply 14The b utmost point and triode BG 13The c utmost point connect, the e utmost point is connected with the positive pole of power supply, the c utmost point passes through resistance R 32With LED 2Positive pole connect LED 2Negative pole be connected with the negative pole of power supply.
8, gas heater according to claim 1 and 2 is characterized in that above-mentioned ignition timing control circuit (11) is by triode BG 2, BG 3, BG 4, capacitor C 1, C 2, C 3, resistance R 4, R 5, R 6Form triode BG 2The b utmost point be connected with the output of signal deteching circuit (14), the e utmost point is connected with the negative pole of power supply, the c utmost point passes through resistance R 4S with positive source 1End connects, triode BG 3The b utmost point and resistance R 5An end connect resistance R 5The other end respectively with the S of positive source 1End, resistance R 4And capacitor C 1Positive pole connect capacitor C 1The other end be connected triode BG with the negative pole of power supply 3The e utmost point be connected the c utmost point and triode BG with the negative pole of power supply 4The b utmost point connect triode BG 4The e utmost point and the S of positive source 2End connects, and is connected with resistance R between the b utmost point and the e utmost point 6, triode BG 4The c utmost point respectively with capacitor C 2, C 3Positive pole connect, and by diode D 5Be connected capacitor C with the input of holding circuit (15) 2, C 3Negative pole respectively with the S of positive source 1The negative pole of end and power supply connects.
9, gas heater according to claim 1 and 2 is characterized in that above-mentioned pulse firing circuit (12) is formed by two-stage oscillating circuit serial connection.
10, gas heater according to claim 9 is characterized in that above-mentioned two-stage oscillating circuit is respectively by inductance L 1, L 2, L 3, resistance R 7, diode D 2, triode BG 5The first order oscillating circuit of forming reaches by inductance L 4, controllable silicon SCR, capacitor C 4, diode D 3, D 4, resistance R 9, R 10, R 11, pulse transformer T 1The second level oscillating circuit of forming; Triode BG 5The B utmost point respectively with resistance R 7An end and diode D 2Negative electrode connect diode D 2Anode be connected resistance R with the negative pole of power supply 7The other end respectively with inductance L 1, L 2An end connect inductance L 2The other end be connected inductance L with the negative pole of power supply 1The other end respectively with the output and the inductance L of ignition timing control circuit (1) 3An end connect triode BG 5The e utmost point be connected with the negative pole of power supply, the c utmost point respectively with inductance L 3, L 4An end connect L 4The other end and diode D 3The day utmost point connect; The control utmost point of controllable silicon ScR respectively with resistance R 9, R 10An end connect R 10The other end be connected R with the negative pole of power supply 9The other end respectively with inductance L 4An end and triode BG 5The C utmost point connect, the negative electrode of controllable silicon ScR is connected with the negative pole of power supply, anode respectively with diode D 3Negative electrode, capacitor C 4, resistance R 11An end connect, resistance R 11The other end be connected capacitor C with the negative pole of power supply 4The other end respectively with diode D 4Anode and pulse transformer T 1One end of input coil connects, diode D 4Negative electrode and T 1The other end of input coil all is connected with the negative pole of power supply, pulse transformer T 1One end of output winding is connected with the negative pole of power supply, and the other end is connected with igniting pin (7).
11, gas heater according to claim 1 and 2 is characterized in that the moving circuit (3) of magnetic valve time-delay suction is by triode BG 8, BG 9, BG 10, BG 11, diode D 7, D 8, D 9, resistance R 15, R 16, R 17, R 18, capacitor C 5, C 6Form triode BG 8The b utmost point respectively with diode D 7Anode and resistance R 15An end connect diode D 7Negative electrode and resistance R 15The other end all be connected triode BG with the positive pole of power supply 8The e utmost point be connected with the negative pole of power supply, the c utmost point respectively with diode D 9Negative electrode and resistance R 16An end connect, and be connected with capacitor C between the b utmost point and the e utmost point 5, diode D 9Anode respectively with diode D 8Anode, resistance R 17An end, triode BG 9The b utmost point be connected with the output of under-voltage protection circuit (17) and be connected with the negative pole of power supply by electric capacity c6, the e utmost point is connected with the negative pole of power supply, the c utmost point respectively with resistance R 18An end, triode BG 10The b utmost point and triode BG 11The b utmost point connect resistance R 18The other end, triode BG 10, BG 11E extremely all be connected triode BG with the positive pole of power supply 10, BG 11C extremely all with the suction moving winding L of magnetic valve (4) 6An end connect L 6The other end be connected with the negative pole of power supply.
12, gas heater according to claim 1 and 2 is characterized in that above-mentioned signal deteching circuit (14) is by triode BG 1, resistance R 1, R 2, R 3, diode D 1Form triode BG 1The b utmost point respectively with resistance R 1, R 2An end connect, the e utmost point is connected with the positive pole of power supply, the c utmost point passes through resistance R respectively 3Be connected with the input of ignition timing control circuit (1) and by diode D 1Be connected resistance R with the input of holding circuit (15) 1, R 2The other end be connected with the positive pole of signal pin (8) and power supply respectively.
13, gas heater according to claim 1 and 2 is characterized in that above-mentioned holding circuit (15) is by triode BG 6, BG 7, resistance R 12, R 13, R 14, diode D 6Form triode BG 6The b utmost point pass through resistance R 12Be connected with the output of signal deteching circuit (14) and ignition timing control circuit (1), the e level respectively with diode D 6Anode and magnetic valve (4) keep coil L 5An end connect, and be connected with the negative pole of power supply, the c utmost point respectively with resistance R 13, R 14An end connect triode BG 7The b utmost point and resistance R 14The other end connect triode BG 7The e utmost point and resistance R 13The other end all connect the positive pole of power supply, triode BG 7The c utmost point respectively with diode D 6Negative electrode and magnetic valve (4) keep coil L 5The other end connect.
CN 96240558 1996-09-19 1996-09-19 Fully automatic gas water-heater capable of preventing incomplete combustion Expired - Fee Related CN2285449Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96240558 CN2285449Y (en) 1996-09-19 1996-09-19 Fully automatic gas water-heater capable of preventing incomplete combustion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96240558 CN2285449Y (en) 1996-09-19 1996-09-19 Fully automatic gas water-heater capable of preventing incomplete combustion

Publications (1)

Publication Number Publication Date
CN2285449Y true CN2285449Y (en) 1998-07-01

Family

ID=33915196

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96240558 Expired - Fee Related CN2285449Y (en) 1996-09-19 1996-09-19 Fully automatic gas water-heater capable of preventing incomplete combustion

Country Status (1)

Country Link
CN (1) CN2285449Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100400965C (en) * 2007-04-18 2008-07-09 航天科工海鹰集团有限公司 Solid fuel torch
CN103047764A (en) * 2011-10-11 2013-04-17 广东百威电子有限公司 Flue type water heater control circuit
CN112178682A (en) * 2020-09-22 2021-01-05 宁波方太厨具有限公司 Gas water heater and combustion state detection method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100400965C (en) * 2007-04-18 2008-07-09 航天科工海鹰集团有限公司 Solid fuel torch
CN103047764A (en) * 2011-10-11 2013-04-17 广东百威电子有限公司 Flue type water heater control circuit
CN112178682A (en) * 2020-09-22 2021-01-05 宁波方太厨具有限公司 Gas water heater and combustion state detection method thereof
CN112178682B (en) * 2020-09-22 2021-08-20 宁波方太厨具有限公司 Gas water heater and combustion state detection method thereof

Similar Documents

Publication Publication Date Title
CN209042436U (en) A kind of pulse ignition device intelligently powered off, electronic timing device and kitchen range
CN209116397U (en) A kind of anti-dry heating gas-cooker
CN2285449Y (en) Fully automatic gas water-heater capable of preventing incomplete combustion
CN101576271A (en) Automatic biological material combusting multipurpose furnace
CN108451370A (en) Commercial gas premixes ratio control energy-saving steam cabinet and its control method entirely
CN209165759U (en) A kind of wall-hung boiler
CN2929518Y (en) Gas range with automatic igniting function after accidently flame-out
CN2861856Y (en) Self-generation gas water heater
CN207501443U (en) A kind of gas heating stove
CN210601743U (en) Automatic control and display system for commercial gas stove
CN2349507Y (en) Fully automatic controller for direct exhausting type gas water-heater
CN208487260U (en) Commercial gas ratio controls energy-saving steam cabinet
CN2370298Y (en) Pulse igniting controller of double needle flame detection
CN101469824B (en) Solar corridor lamp
CN2232531Y (en) Automatic burning controller
CN2679531Y (en) Microcomputer controlled timing gas cooker
CN211122017U (en) Detection apparatus for multi-functional gas flame-out protector
CN2167322Y (en) Detector for ignition safety for water-heater
CN2076643U (en) Ion flame sensing type auto-protector for igniting and putting out fire
CN111550838B (en) Gas stove circuit and gas stove system
CN211902969U (en) Novel ignition control system
CN2184170Y (en) Alarm for putting out fire when oxygen is lacking in the water boiler
CN202485224U (en) Flue type water heater control circuit
CN202598615U (en) Automatic ignition and safety protection device of gas furnace
CN217843970U (en) Flameout protection circuit of gas appliance and gas appliance

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee