CN207395207U - A kind of flame-out protector for water heater - Google Patents

Abstract

The utility model discloses a kind of flame-out protectors for water heater, including housing, air storing cavity is equipped in housing, air inlet pipe is welded on the one side outer wall of the housing, and air pump has been screwed it on the outer wall of housing, and air pump is located at the top of air inlet pipe, and the inlet end of air inlet pipe and air pump connects respectively with air storing cavity, and mounting groove and lower mounting groove are had in the top inner wall and bottom interior wall of air storing cavity, electromagnet has been screwed in the top inner wall of the upper mounting groove, and it is welded with spring in the bottom interior wall of lower mounting groove, the interior of the air storing cavity is equipped with fixed frame.The utility model can be when flame-out, detect flame-out information, and power off electromagnet, rubber block and iron block fall under the effect of the tractive force of gravity and spring, the both sides outer wall of rubber block blocks air inlet pipe and air outlet pipe respectively, source of the gas is cut off, remaining combustion gas in air storing cavity outdoor can be drained into, ensure the safety of water heater.

Description

A kind of flame-out protector for water heater

Technical field

The utility model is related to gas heater technical field more particularly to a kind of flame-out safeguard protections for water heater Device.

Background technology

Gas heater refers to, using combustion gas as fuel, transfer heat to by combustion heating mode and flow through heat exchange To achieve the purpose that a kind of gas appliance for preparing hot water in the cold water of device.Mainly fired by valve body assembly, main burner, small fire The compositions such as burner, heat exchanger, safety device.(further include Flue Gas Water Heater flue, the forced-drainage device of forced-ventilated water heater. The basic functional principle of gas heater is that cold water enters water heater, and the certain pressure for flowing through Water-gas linkage valve body in circulating water is poor Under value effect, Water-gas linkage valve is promoted, and promotes DC power supply microswitch that power supply is connected simultaneously starting impulse simultaneously and lights a fire Device., it is necessary to cut off supply of the combustion gas to water heater immediately when gas heater anoxic is flame-out, it otherwise can cause gas leakage, make Into security incident.

Utility model content

The purpose of this utility model is to solve shortcoming in the prior art, and the one kind proposed is used for water heater Flame-out protector.

To achieve these goals, the utility model employs following technical solution：

Including housing, air storing cavity is equipped in housing for a kind of flame-out protector for water heater, the housing Air inlet pipe is welded on the outer wall of one side, and air pump has been screwed on the outer wall of housing, and air pump is located at the upper of air inlet pipe Side, and the inlet end of air inlet pipe and air pump connects respectively with air storing cavity, and in the top inner wall and bottom interior wall of air storing cavity respectively Mounting groove and lower mounting groove are provided with, electromagnet, and lower installation have been screwed in the top inner wall of the upper mounting groove Be welded with spring in the bottom interior wall of slot, the interior of the air storing cavity is equipped with fixed frame, and fixed frame including four be respectively welded in The fixed block of air storing cavity bottom four corners, and the top of four fixed blocks respectively with four welded corner joint of the top of air storing cavity, described in four The mounting groove being arranged in vertical is formed between fixed block, and rubber block is slidably fitted in mounting groove, and rubber block is located at The underface of electromagnet, and iron block has been screwed at the top center of rubber block, and the bottom of rubber block and bullet One end connection of the spring away from lower mounting groove bottom interior wall, one side outer wall of the housing away from inlet end are provided with successively from top to bottom First through hole and the second through hole, and exhaust pipe and air outlet pipe are sequentially installed on the inner wall of first through hole and the second through hole, and into Tracheae, exhaust pipe and air outlet pipe are slidably matched with rubber block formation.

Preferably, the one end of the air inlet pipe away from housing is connected with gas supply pipeline, and exhaust pipe is connected with and is located at Outdoor rubber catheter, and air outlet pipe is connected with igniter.

Preferably, four fixed blocks are provided with sliding slot, and the both sides of rubber block on the one side outer wall of rubber block It is welded altogether there are four sliding block on outer wall, and inner wall of four sliding blocks respectively with four sliding slots is slidably connected.

Preferably, the air inlet pipe, exhaust pipe and air outlet pipe are all extended on the outer wall of rubber block, and air inlet pipe, exhaust Pipe and air outlet pipe are equipped with sealing ring with the rubber block place of being slidably connected.

Preferably, thermocouple has been screwed in the igniter, has been consolidated on the one side inner wall of housing by screw Surely there is combustible gas sensor, and the signal output part of thermocouple and combustible gas sensor is connected with respectively by signal wire DATA-7311 type controllers.

Preferably, the air pump and electromagnet are connected to switch, and switch is connected with controller.

The beneficial effects of the utility model are：

1. electromagnet, which is powered, generates magnetic field, magnetic field absorption iron block, making rubber block, rubber block blocks row along sliding slot upward sliding Tracheae, exposes the outlet side of air inlet pipe and the inlet end of air outlet pipe, in air inlet pipe combustion gas enter the igniting of water heater through air outlet pipe In device；

2. igniter is stopped working, thermocouple detects temperature information, and temperature information is transferred to control Device, controller power off for electromagnet, and the magnetic field on electromagnet disappears, and rubber block and iron block are acted in the tractive force of gravity and spring Lower whereabouts, the both sides outer wall of rubber block block air inlet pipe and air outlet pipe respectively, and controller control air pump injects air into air storing cavity Interior, combustion gas and air drain into outdoor through discharge duct, have ensured the safety of water heater.

Description of the drawings

Fig. 1 be the utility model proposes a kind of flame-out protector for water heater vertical section structural representation Figure；

Fig. 2 be the utility model proposes a kind of flame-out protector for water heater cross-sectional structure illustrate Figure.

In figure：1 housing, 2 air inlet pipe, 3 air pumps, mounting groove, 5 times mounting grooves, 6 electromagnet, 7 springs, 8 fixed frames, 9 on 4 Rubber block, 10 iron plates, 11 exhaust pipes, 12 air outlet pipes.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.

With reference to Fig. 1-2, including housing 1, gas storage is equipped in housing 1 for a kind of flame-out protector for water heater Chamber is welded with air inlet pipe 2 on the one side outer wall of housing 1, and air pump 3 has been screwed on the outer wall of housing 1, and air pump 3 Positioned at the top of air inlet pipe 2, and the inlet end of air inlet pipe 2 and air pump 3 connects respectively with air storing cavity, and the top inner wall of air storing cavity With upper mounting groove 4 and lower mounting groove 5 are had in bottom interior wall, be screwed in the top inner wall of upper mounting groove 4 Electromagnet 6, and spring 7 is welded in the bottom interior wall of lower mounting groove 5, the interior of air storing cavity is equipped with fixed frame 8, and fixed frame 8 wraps Four are included to be respectively welded in the fixed block of air storing cavity bottom four corners, and the top of four fixed blocks respectively with the top of air storing cavity four Welded corner joint forms the mounting groove being arranged in vertical between four fixed blocks, and rubber block 9 is slidably fitted in mounting groove, And rubber block 9 is located at the underface of electromagnet 6, and iron block 10 has been screwed at the top center of rubber block 9, and The bottom of rubber block 9 is connected with the one end of spring 7 away from lower 5 bottom interior wall of mounting groove, outside one side of the housing 1 away from air inlet pipe 2 Wall is provided with first through hole and the second through hole, and the row of being sequentially installed on the inner wall of first through hole and the second through hole successively from top to bottom Tracheae 11 and air outlet pipe 12, and air inlet pipe 2, exhaust pipe 11 and air outlet pipe 12 are slidably matched with the formation of rubber block 9.

In the utility model, the one end of air inlet pipe 2 away from housing 1 is connected with gas supply pipeline, and exhaust pipe 11 connects There is the rubber catheter being located outside, and air outlet pipe 12 is connected with igniter, four fixed blocks are close to the one side outer wall of rubber block 9 On be provided with sliding slot, and on the both sides outer wall of rubber block 9 altogether welding there are four sliding block, and four sliding blocks respectively with four sliding slots Inner wall be slidably connected, air inlet pipe 2, exhaust pipe 11 and air outlet pipe 12 are all extended on the outer wall of rubber block 9, and air inlet pipe 2, row Tracheae 11 and air outlet pipe 12 are equipped with sealing ring with 9 place of being slidably connected of rubber block, and thermocouple has been screwed in igniter, Combustible gas sensor, and the signal of thermocouple and combustible gas sensor have been screwed on the one side inner wall of housing 1 Output terminal is connected with DATA-7311 type controllers by signal wire respectively, and air pump 3 and electromagnet 6 are connected to switch, and Switch is connected with controller.

Operation principle：Electromagnet 6, which is powered, generates magnetic field, and absorption iron block 10 in magnetic field makes rubber block 9 along sliding slot upward sliding, Spring 7 is stretched, and rubber block 9 blocks exhaust pipe 11, exposes the outlet side of air inlet pipe 2 and the inlet end of air outlet pipe 12, air inlet pipe 2 Interior combustion gas is through air outlet pipe 12 into the igniter of water heater, and thermocouple detects temperature information when flame-out, and by temperature Degree change information is transferred to controller, and controller powers off for electromagnet 6, and the magnetic field on electromagnet 6 disappears, rubber block 9 and iron block 10 fall under the effect of the tractive force of gravity and spring 7, and the both sides outer wall of rubber block 9 blocks air inlet pipe 2 and air outlet pipe 12 respectively, The inlet end of exhaust pipe 11 exposes, and controller control air pump 3 is injected air into air storing cavity, and combustion gas and air are through exhaust pipe 11 Drain into outdoor.

The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. including housing (1), air storing cavity, feature are equipped in housing (1) for a kind of flame-out protector for water heater It is, air inlet pipe (2) is welded on the one side outer wall of the housing (1), and gas has been screwed on the outer wall of housing (1) It pumps (3), and air pump (3) is located at the top of air inlet pipe (2), and the inlet end of air inlet pipe (2) and air pump (3) connects respectively with air storing cavity It is logical, and mounting groove (4) and lower mounting groove (5) are had in the top inner wall and bottom interior wall of air storing cavity, the upper installation Electromagnet (6) has been screwed in the top inner wall of slot (4), and spring is welded in the bottom interior wall of lower mounting groove (5) (7), the interior of the air storing cavity is equipped with fixed frame (8), and fixed frame (8) is respectively welded including four in air storing cavity bottom four corners Fixed block, and the top of four fixed blocks forms edge between four fixed blocks respectively with four welded corner joint of the top of air storing cavity The mounting groove that vertical direction is set, and rubber block (9) is slidably fitted in mounting groove, and rubber block (9) is located at electromagnet (6) Underface, and iron block (10) has been screwed at the top center of rubber block (9), and the bottom of rubber block (9) with Spring (7) away from lower mounting groove (5) bottom interior wall one end connect, the housing (1) away from air inlet pipe (2) one side outer wall from On be provided with first through hole and the second through hole successively down, and be sequentially installed with exhaust pipe on the inner wall of first through hole and the second through hole (11) and air outlet pipe (12), and air inlet pipe (2), exhaust pipe (11) and air outlet pipe (12) are slidably matched with rubber block (9) formation.

A kind of 2. flame-out protector for water heater according to claim 1, which is characterized in that the air inlet The one end of pipe (2) away from housing (1) is connected with gas supply pipeline, and exhaust pipe (11) is connected with the rubber being located outside and leads Pipe, and air outlet pipe (12) is connected with igniter, and air outlet pipe (12) and air inlet pipe (2) are generally aligned in the same plane.

3. a kind of flame-out protector for water heater according to claim 1, which is characterized in that described in four Fixed block is provided with sliding slot on the one side outer wall of rubber block (9), and on the both sides outer wall of rubber block (9) altogether there are four welding Sliding block, and inner wall of four sliding blocks respectively with four sliding slots is slidably connected.

A kind of 4. flame-out protector for water heater according to claim 1, which is characterized in that the air inlet Pipe (2), exhaust pipe (11) and air outlet pipe (12) are all extended on the outer wall of rubber block (9), and air inlet pipe (2), exhaust pipe (11) Sealing ring is equipped with air outlet pipe (12) and rubber block (9) place of being slidably connected.

A kind of 5. flame-out protector for water heater according to claim 2, which is characterized in that the igniting Thermocouple has been screwed in device, combustible gas sensor has been screwed on the one side inner wall of housing (1), and The signal output part of thermocouple and combustible gas sensor is connected with controller by signal wire respectively.

6. a kind of flame-out protector for water heater according to claim 1 or 5, which is characterized in that described Air pump (3) and electromagnet (6) are connected to switch, and switch is connected with controller.