CN205066133U - Wall -mounted gas heating stove - Google Patents

Wall -mounted gas heating stove Download PDF

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Publication number
CN205066133U
CN205066133U CN201520745014.6U CN201520745014U CN205066133U CN 205066133 U CN205066133 U CN 205066133U CN 201520745014 U CN201520745014 U CN 201520745014U CN 205066133 U CN205066133 U CN 205066133U
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CN
China
Prior art keywords
water
pipe
heating
hot water
water inlet
Prior art date
Application number
CN201520745014.6U
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Chinese (zh)
Inventor
陈裕焱
尹显录
付荣强
Original Assignee
广州迪森家用锅炉制造有限公司
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Priority to CN201520745014.6U priority Critical patent/CN205066133U/en
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Publication of CN205066133U publication Critical patent/CN205066133U/en

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Abstract

The utility model provides a wall -mounted gas heating stove which is including main heat exchanger, hot water heat transfer integration, water pump, combustor, gas valve and control circuit, main heat exchanger and combustor are installed in a flame hoods, main heat exchanger has main inlet tube and main outlet pipe, and it has the water pump to establish ties on the main inlet tube, is equipped with on the main outlet pipe and prevents dry combustion method temperature controller and hydraulic pressure switch, is equipped with ignition needle and sensing pin on the combustor, and the gas valve constitutes control circuit by the control of gas valve relay and with preventing dry combustion method temperature controller and water pressure switch concatenation, and division there is the exhaust port flame hoods top and is connected with the tobacco pipe through the fan, and fan, gas valve relay, water pump, ignition needle and sensing pin are electrically connected to control center respectively. Especially: the hall fan of fan for having hall sensor is equipped with carbon monoxide consistency transmitter in the exhaust pipe of tobacco pipe or fan, hall sensor and carbon monoxide consistency transmitter are electrically connected to control center. Whether normal, effectively guarantee the safe operation of hanging stove if can monitor discharging fume of hanging stove during operation in good time.

Description

A kind of wall-mounted gas heating stove
Technical field
The utility model relates to wall-mounted gas heating stove.
Background technology
As shown in Figure 1, it includes, and main heat exchanger 1, hot water heat exchange are integrated 2, water pump 3, burner 4, gas valve 5, blower fan 9 and control centre for the structure of existing wall-mounted gas heating stove, main heat exchanger 1 and burner 4 are installed in a burning cover 10, main heat exchanger 1 has main water inlet tube 11 and primary flow pipe 12, main water inlet tube 11 is in series with water pump 3, primary flow pipe 12 is provided with anti-dry heating temperature controller 6 and hydraulic pressure switch 7, hot water heat exchange integrated 2 has heat exchange water inlet, heat exchange delivery port, heating water inlet, heating delivery port, cold water inlet is also connected primary flow pipe 12 respectively with hot water outlet, main water inlet tube 11, heating water inlet pipe 25, heating outlet pipe 26, cold water inlet 23 and hot water outlet pipe 24, hot water heat exchange integrated 2 includes plate type heat exchanger 20, switching valve 210 and three-way connection 220, there is in plate type heat exchanger 2 plate and change heating water passage and plate changes by hot water channel, main water inlet tube 11 changes one end of heating water passage by the logical heating water inlet pipe 25 of three-way connection 220 connection and plate, primary flow pipe 12 changes the other end of heating water passage by the logical heating outlet pipe 26 of switching valve 210 connection and plate, cold water inlet 23 and hot water outlet pipe 24 are connected to plate and change two ends by hot water channel, cold water inlet 23 is connected logical with heating water inlet pipe 25 by water compensating valve 27 pipe, cold water inlet 23 is serially connected with water flow switch 230, water flow switch 230 and switching valve 210 link, burner 4 is positioned at the below of main heat exchanger 1 and has air inlet pipe 41, in the air inlet pipe 41 that gas valve 5 is serially connected with burner 4 and by gas valve Control, exhaust opening is had above burning cover 10, blower fan 9 includes fan blade group and blower motor, and the exhaust opening that fan blade group is installed on burning cover 10 connects smoke pipe 90, the negative pressure end of leeway switch 901 is communicated in smoke pipe 90 by tracheae, and anti-dry heating temperature controller 6, hydraulic pressure switch 7, leeway switch 901 and gas valve relay serial connection forms control circuit.
During the work of this wall-hung boiler, once in stove water temperature over-high or hydraulic pressure too low, corresponding anti-dry heating temperature controller or hydraulic pressure switch will disconnect automatically, and gas valve power-off is closed to avoid the dangerous operation of wall-hung boiler.In addition, burning produce flue gas (pernicious gas is CO mainly), its by blower fan along smoke pipe force discharge, guarantee that the standard that flue gas is effectively discharged is: 1, CO concentration in flue gas should be not more than 0.2%, should before CO concentration is greater than 0.2% closing gas valve; 2, rotation speed of fan should be not less than 1800r/min, should before rotating speed is less than 1800r/min closing gas valve.The method realizing safeguard protection during existing solution Smoke Exhaust disconnects control circuit by pressure differential switch gas valve is closed; principle is: the unexpected stall of blower fan or rotating speed reduce; and smoke pipe blocking is when causing capacity deficiency maybe cannot be vented; leeway switch negative pressure end pressure can raise; make the pressure differential of the positive/negative pressure side of leeway switch be reduced to leeway switch-off operation point, leeway switch automatically disconnects and gas valve is closed.The weak point of this solution is: 1, leeway switch motion point exists hysteresis quality, leeway switch could be triggered when only having negative pressure end pressure (cigarette overpressure) not enough to disconnect, but sometimes due to own unstability of burning, in the normal situation of smoke evacuation, CO concentration in flue gas exceeds standard, but now leeway switch can not disconnect; 2, the fault rate of leeway switch is higher, and particularly in the winter of northern China cold, the tracheal strips of leeway switch is easily long-pending condensate water, is unfavorable for that leeway switch effectively senses air pressure, causes gas furnace normally to run.
Summary of the invention
The purpose of this utility model proposes a kind of wall-mounted gas heating stove, and whether smoke evacuation when its energy timely monitor works to wall-hung boiler is normal, effectively guarantees wall-hung boiler safe operation.
The purpose of this utility model realizes by following technical scheme:
A kind of wall-mounted gas heating stove, it includes, and main heat exchanger, hot water heat exchange are integrated, water pump, burner, gas valve and control circuit, main heat exchanger and burner are installed in a burning cover, main heat exchanger has main water inlet tube and primary flow pipe, main water inlet tube is in series with water pump, primary flow pipe is provided with anti-dry heating temperature controller and hydraulic pressure switch, hot water heat exchange is integrated has heat exchange water inlet, heat exchange delivery port, heating water inlet, heating delivery port, cold water inlet is also connected primary flow pipe respectively with hot water outlet, main water inlet tube, heating water inlet pipe, heating outlet pipe, cold water inlet and hot water outlet pipe, hot water heat exchange is integrated includes plate type heat exchanger, switching valve and three-way connection, there is in plate type heat exchanger plate and change heating water passage and plate changes by hot water channel.
Main water inlet tube changes one end of heating water passage by the logical heating water inlet pipe of three-way connection connection and plate, primary flow pipe changes the other end of heating water passage by the logical heating outlet pipe of switching valve connection and plate, cold water inlet and hot water outlet pipe are connected to plate and change two ends by hot water channel, and cold water inlet and heating water inlet pipe are connected logical by water compensating valve pipe; Cold water inlet is serially connected with water flow switch, water flow switch and switching valve link, burner is positioned at the below of main heat exchanger and has air inlet pipe, burner is provided with ignition electrode and inductive needle, in the air inlet pipe that gas valve is serially connected with burner and by gas valve Control, anti-dry heating temperature controller and hydraulic pressure switch are connected in series with gas valve relay and form control circuit, have exhaust opening above burning cover and connected by blower fan and be connected with smoke pipe, blower fan, gas valve relay, water pump, ignition electrode and inductive needle are electrically connected to control centre respectively.
Described blower fan is the Hall blower fan with Hall element, is provided with carbonomonoxide concentration sensor in the exhaust duct of smoke pipe or blower fan, and Hall element and carbonomonoxide concentration sensor electrical are connected to control centre.
Prioritization scheme, hot water heat exchange is integrated comprises outlet valve, plate type heat exchanger and water supply connector, and switching valve is placed in outlet valve, has valve hot water channel in outlet valve, and hot water outlet pipe connects logical plate by valve hot water channel and changes by hot water channel one end; Three-way connection is placed in water supply connector, has joint cold water channel in water supply connector, and cold water inlet changes the other end by hot water channel by the logical plate of joint cold water channel connection.
Further prioritization scheme, water pump is placed in water supply connector.
Further prioritization scheme again, described blower fan includes exhaust duct, blower motor, fan blade group, permanent magnet, Hall element and carbonomonoxide concentration sensor, carbonomonoxide concentration sensor is provided with in exhaust duct, the end port of exhaust duct connects ventilating smoke tube, permanent magnet axle is connected on the output shaft of blower motor, and Hall element is located on the shell of blower motor.
The utility model has following substantive distinguishing features and progress: Hall blower fan and carbonomonoxide concentration sensor combine by the utility model; substitute the mode by leeway monitoring switch smoke evacuation situation in prior art; there is failure rate is low, monitor in good time, sensitive feature; fan operation rotating speed and CO concentration in flue gas can be monitored simultaneously; the safeguard protection of gas furnace during effective solution fan operation normal and CO concentration over-standard, can in particularly northern area stable, the safe operation for a long time of China's most area.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing wall-mounted gas heating stove.
Fig. 2 is a kind of structural representation of the present utility model.
Fig. 3 and Fig. 4 is the structural scheme of mechanism of Hall blower fan in the utility model.
Fig. 5 is the control circuit schematic diagram of gas valve of the present utility model.
Fig. 6 position operation control connection of the present utility model schematic diagram.
Fig. 7 is another kind of structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1
Referring to figs. 2 to Fig. 6, a kind of wall-mounted gas heating stove, it includes, and main heat exchanger 1, hot water heat exchange are integrated 2, water pump 3, burner 4, gas valve 5 and control circuit.
Main heat exchanger 1 and burner 4 are installed in a burning cover 10; Main heat exchanger 1 has main water inlet tube 11 and primary flow pipe 12, water pump 3 is serially connected with on main water inlet tube 11, primary flow pipe 12 is provided with anti-dry heating temperature controller 6 and hydraulic pressure switch 7, and hot water heat exchange integrated 2 has heat exchange water inlet, heat exchange delivery port, heating water inlet, heating delivery port, cold water inlet and hot water outlet and is connected primary flow pipe 12, main water inlet tube 11, heating water inlet pipe 25, heating outlet pipe 26, cold water inlet 23 and hot water outlet pipe 24 respectively.Hot water heat exchange integrated 2 includes plate type heat exchanger 20, switching valve 210 and three-way connection 220, there is in plate type heat exchanger 20 plate and change heating water passage and plate changes by hot water channel, main water inlet tube 11 changes one end of heating water passage by the logical heating water inlet pipe 25 of three-way connection 220 connection and plate, primary flow pipe 12 connects by switching valve 210 other end that logical heating outlet pipe 26 and plate change heating water passage, and cold water inlet 23 and hot water outlet pipe 24 are connected to plate and change two ends by hot water channel.Cold water inlet 23 is connected logical with heating water inlet pipe 25 by water compensating valve 27 pipe; Cold water inlet 23 is serially connected with water flow switch 230, water flow switch 230 and switching valve 210 link.
Burner 4 is positioned at the below of main heat exchanger 1 and has air inlet pipe 41, burner 4 is provided with ignition electrode 42 and inductive needle 43, the air inlet pipe 41 that gas valve 5 is serially connected with burner 4 is controlled by gas valve relay 51, anti-dry heating temperature controller 6 and hydraulic pressure switch 7 are connected in series with gas valve relay 51 and form control circuit (as shown in Figure 5), have exhaust opening and connected by blower fan 9 to be connected with smoke pipe 90 above burning cover 10.
Concrete reference diagram 3 and Fig. 4, blower fan 9 is the Hall blower fan with Hall element 95, it includes exhaust duct 91, blower motor 92, fan blade group 94, permanent magnet 93, Hall element 95 and carbonomonoxide concentration sensor 96, carbonomonoxide concentration sensor 96 is provided with in exhaust duct 91, the end port of exhaust duct 91 connects ventilating smoke tube 90, permanent magnet 93 axle is connected on the output shaft of blower motor 92, and Hall element 95 is located on the shell of blower motor 92.
Concrete reference diagram 6, the blower motor 92 of gas valve relay 51, water pump 3, ignition electrode 42, inductive needle 43, blower fan 9, Hall element 95 and carbonomonoxide concentration sensor 96 are electrically connected to control centre 8 respectively.
During installation, hot water outlet pipe 24 is connected the sanitary outfall devices such as logical gondola water faucet by outlet valve, after the wall-mounted gas heating stove operation of the present embodiment, when needing bath water, open the outlet valve on hot water outlet pipe 24, the plate of running water → cold water inlet 23 → hot water heat exchange integrated 2 changes by hot water channel → hot water outlet pipe 24, water flow switch 230 is automatically opened and is made switching valve 210 action that the plate of primary flow pipe 12 and plate type heat exchanger 20 is changed heating water expanding channels to lead to, the hot water that main heat exchanger 1 heats refluxes through main heat exchanger 1 through main water inlet tube 11 after the plate that primary flow pipe 12 enters plate type heat exchanger 20 changes heating water passage, hot water carries out heat exchange by plate type heat exchanger 20 and the cold water changed by hot water channel by plate, cold water (normally running water) exports for bathroom by hot water outlet pipe 24 after heat exchange heats up, when needing heating, the outlet valve on hot water outlet pipe 24 is closed, and water flow switch 230 is normally off, and primary flow pipe 12 is connected logical with heating outlet pipe 26 by switching valve 210, and the hot water that main heat exchanger 1 heats enters heating system and carries out heating.
With reference to figure 2, Fig. 5 and Fig. 6, the progress control method of the wall-mounted gas heating stove of the present embodiment, it includes following steps:
Step 1, connect the power supply of wall-mounted gas heating stove, open water compensating valve 27 to water filling in the heating system and main heat exchanger 1 of wall-hung boiler, after filling water, hydraulic pressure reaches preset pressure value hydraulic pressure switch 7 is closed automatically, start wall-mounted gas heating stove, control centre 8 controls water pump 3 and starts.
Step 2, water pump 3 operates to setting-up time, blower fan 9 starts, Hall element 95 detects the rotating speed of blower motor 92, when blower motor 92 is in speed setting value after continuous service setting-up time, control centre 8 starting ignition pin 42 pairs of burner 4 discharge ignitings, control centre 8 opens gas valve 5 simultaneously.
Step 3, after igniting, inductive needle 43 detects flame signal, wall-mounted gas heating stove completes a little to fight and starts normal work, the Hall element 95 of blower fan 9 continues to detect that the rotating speed of blower motor 92 is in speed setting value, the flue gas that blower fan 9 keeps energising work burning to be produced is forced to discharge by smoke pipe 90, and carbon monoxide transducer 96 carries out the detection of carbonomonoxide concentration to the flue gas flowing through smoke pipe 90.
Step 4, when wall-hung boiler normally works, once wall-mounted gas heating stove generation abnormal conditions, control centre 8 controls wall-mounted gas heating stove and shuts down, specifically:
4.1, when inductive needle 43 can't detect flare up fire, control centre 8 closing gas valve 5, water pump 3 and blower motor 92 are closed after time delay runs, and wall-mounted gas heating stove is out of service.
4.2, when the hydraulic pressure in wall-mounted gas heating stove is lower than preset pressure value, hydraulic pressure switch 7 disconnects automatically, make gas valve 5 deenergization and close, after inductive needle 43 can't detect flare up fire, water pump 3 and blower motor 92 are closed after time delay runs, and wall-mounted gas heating stove is out of service.
4.3, when the water temperature in wall-mounted gas heating stove is higher than preset value, anti-dry heating temperature controller 6 disconnects automatically, make gas valve 5 deenergization and close, after inductive needle 43 can't detect flare up fire, control centre 8 controls water pump 3 and operates always, and blower motor 92 is closed after time delay runs.
4.4, the Hall element 95 of blower fan 9 detects that the rotating speed of blower motor 92 is lower than after speed setting value operation setting-up time, and control centre 8 closing gas valve 5, water pump 3 and blower motor 92 are closed after time delay runs, and wall-mounted gas heating stove is out of service.
4.5, after carbonomonoxide concentration sensor 96 detects that in flue gas, carbonomonoxide concentration exceeds standard, control centre 8 closing gas valve 5, water pump 3 and blower motor 92 are closed after time delay runs, and wall-mounted gas heating stove is out of service.
Hall blower fan 9 and carbonomonoxide concentration sensor 96 combine by the utility model; substitute the mode by leeway monitoring switch smoke evacuation situation in prior art; there is failure rate is low, monitor in good time, sensitive feature; fan operation rotating speed and CO concentration in flue gas can be monitored simultaneously; the safeguard protection of gas furnace during effective solution fan operation normal and CO concentration over-standard, can in particularly northern area stable, the safe operation for a long time of China's most area.
Embodiment 2
With reference to figure 7, the wall-mounted gas heating stove of the present embodiment and the difference of embodiment 1 are: hot water heat exchange integrated 2 comprises outlet valve 21, plate type heat exchanger 20 and water supply connector 22, switching valve 210 is placed in outlet valve 21, have valve hot water channel in outlet valve 21, hot water outlet pipe 24 connects logical plate by valve hot water channel and changes by hot water channel one end; Three-way connection 220 is placed in water supply connector 22, has joint cold water channel in water supply connector 22, and cold water inlet 23 changes the other end by hot water channel by the logical plate of joint cold water channel connection.The progress control method of the wall-mounted gas heating stove of the present embodiment and the identical of embodiment 1.

Claims (4)

1. a wall-mounted gas heating stove, it includes main heat exchanger (1), hot water heat exchange integrated (2), water pump (3), burner (4), gas valve (5) and control circuit, main heat exchanger (1) and burner (4) are installed in a burning cover (10), main heat exchanger (1) has main water inlet tube (11) and primary flow pipe (12), main water inlet tube (11) is in series with water pump (3), primary flow pipe (12) is provided with anti-dry heating temperature controller (6) and hydraulic pressure switch (7), hot water heat exchange integrated (2) has heat exchange water inlet, heat exchange delivery port, heating water inlet, heating delivery port, cold water inlet is also connected primary flow pipe (12) respectively with hot water outlet, main water inlet tube (11), heating water inlet pipe (25), heating outlet pipe (26), cold water inlet (23) and hot water outlet pipe (24), hot water heat exchange integrated (2) includes plate type heat exchanger (20), switching valve (210) and three-way connection (220), there is in plate type heat exchanger (20) plate and change heating water passage and plate changes by hot water channel, main water inlet tube (11) changes one end of heating water passage by the logical heating water inlet pipe (25) of three-way connection (220) connection and plate, primary flow pipe (12) changes the other end of heating water passage by the logical heating outlet pipe (26) of switching valve (210) connection and plate, cold water inlet (23) and hot water outlet pipe (24) are connected to plate and change two ends by hot water channel, cold water inlet (23) is connected logical with heating water inlet pipe (25) by water compensating valve (27) pipe, cold water inlet (23) is serially connected with water flow switch (230), water flow switch (230) and switching valve (210) link, burner (4) is positioned at the below of main heat exchanger (1) and has air inlet pipe (41), burner (4) is provided with ignition electrode (42) and inductive needle (43), the air inlet pipe (41) that gas valve (5) is serially connected with burner (4) goes up and is controlled by gas valve relay (51), anti-dry heating temperature controller (6) and hydraulic pressure switch (7) are connected in series with gas valve relay (51) and form control circuit, burning cover (10) top is had exhaust opening and is connected by blower fan (9) and is connected with smoke pipe (90), blower fan (9), gas valve relay (51), water pump (3), ignition electrode (42) and inductive needle (43) are electrically connected to control centre (8) respectively, it is characterized in that:
Described blower fan (9) is the Hall blower fan with Hall element (95), be provided with carbonomonoxide concentration sensor (96) in the exhaust duct (91) of smoke pipe (90) or blower fan (9), Hall element (95) and carbonomonoxide concentration sensor (96) are electrically connected to control centre (8).
2. wall-mounted gas heating stove according to claim 1, it is characterized in that: hot water heat exchange integrated (2) comprises outlet valve (21), plate type heat exchanger (20) and water supply connector (22), switching valve (210) is placed in outlet valve (21), outlet valve has valve hot water channel in (21), and hot water outlet pipe (24) connects logical plate by valve hot water channel and changes by hot water channel one end; Three-way connection (220) is placed in water supply connector (22), and water supply connector has joint cold water channel in (22), and cold water inlet (23) changes the other end by hot water channel by the logical plate of joint cold water channel connection.
3. wall-mounted gas heating stove according to claim 2, is characterized in that: water pump (3) is placed in water supply connector (22).
4. the wall-mounted gas heating stove according to claim 1 or 2 or 3, is characterized in that:
Described blower fan (9) includes exhaust duct (91), blower motor (92), fan blade group (94), permanent magnet (93), Hall element (95) and carbonomonoxide concentration sensor (96), carbonomonoxide concentration sensor (96) is provided with in exhaust duct (91), the end port of exhaust duct (91) connects ventilating smoke tube (90), permanent magnet (93) axle is connected on the output shaft of blower motor (92), and Hall element (95) is located on the shell of blower motor (92).
CN201520745014.6U 2015-09-24 2015-09-24 Wall -mounted gas heating stove CN205066133U (en)

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Application Number Priority Date Filing Date Title
CN201520745014.6U CN205066133U (en) 2015-09-24 2015-09-24 Wall -mounted gas heating stove

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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202745A (en) * 2015-09-24 2015-12-30 广州迪森家用锅炉制造有限公司 Gas-fired heating wall-mounted stove and operation control method thereof
CN105972814A (en) * 2016-06-13 2016-09-28 珠海格力电器股份有限公司 Wall-mounted gas furnace and water supplementing control method, control device and control system
CN106016691A (en) * 2016-07-11 2016-10-12 珠海格力电器股份有限公司 Fuel gas wall-hanging stove
CN108006989A (en) * 2017-11-29 2018-05-08 东台丰华炉业有限公司 A kind of wall-hung boiler of energy anti-scald
CN109564007A (en) * 2016-07-26 2019-04-02 株式会社能率 Heat hot water supply apparatus
CN109945505A (en) * 2019-03-25 2019-06-28 珠海格力电器股份有限公司 A kind of wall-hung boiler control method and wall-hung boiler preventing wrong report water shortage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105202745A (en) * 2015-09-24 2015-12-30 广州迪森家用锅炉制造有限公司 Gas-fired heating wall-mounted stove and operation control method thereof
CN105972814A (en) * 2016-06-13 2016-09-28 珠海格力电器股份有限公司 Wall-mounted gas furnace and water supplementing control method, control device and control system
CN105972814B (en) * 2016-06-13 2019-01-08 珠海格力电器股份有限公司 Burnt gas wall hanging furnace and water compensating control method, control device, control system
CN106016691A (en) * 2016-07-11 2016-10-12 珠海格力电器股份有限公司 Fuel gas wall-hanging stove
CN109564007A (en) * 2016-07-26 2019-04-02 株式会社能率 Heat hot water supply apparatus
CN108006989A (en) * 2017-11-29 2018-05-08 东台丰华炉业有限公司 A kind of wall-hung boiler of energy anti-scald
CN109945505A (en) * 2019-03-25 2019-06-28 珠海格力电器股份有限公司 A kind of wall-hung boiler control method and wall-hung boiler preventing wrong report water shortage

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Address after: 510760 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Cang two Road No. 3

Patentee after: Guangzhou Addison Home Environment Technology Co., Ltd.

Address before: 510760 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Cang two Road No. 3

Patentee before: Guangzhou Devotion Domestic Boilers Manufacturing Co., Ltd.