CN220017696U - Wall-mounted intelligent water heater - Google Patents

Abstract

The utility model discloses a wall-mounted intelligent water heater, which is characterized in that a gas mixing box and an air proportion regulating valve are arranged among a gas proportion regulating valve, an exhaust fan and a double-layer smoke exhaust air inlet pipe, and a gas mixing cavity is arranged in the gas mixing box; the air inlet end of the exhaust fan is connected with the top of the air mixing box in a sealing way and communicated with the air mixing cavity, the bottom of the air mixing box is connected with a fuel gas proportional control valve in a sealing way, and the other end of the fuel gas proportional control valve is connected with a fuel gas switching valve in a sealing way; one side of the bottom of the gas mixing box is connected with an air proportion regulating valve in a sealing way, and the other end of the air proportion regulating valve is connected with a bottom air inlet of an outer-layer air inlet pipe in a sealing way; air and fuel gas synchronously enter a mixing cavity, flow and pre-mix for the first time in the mixing cavity, then enter an exhaust fan for the second time, and mix for the second time to obtain finer powder, wherein chemical component substances are burnt more thoroughly; when smoke discharge and air intake are not smooth, the air intake section side is temporarily buffered in the air mixing cavity with a larger space, so that gas leakage is avoided.

Description

Wall-mounted intelligent water heater

Technical Field

The utility model relates to a water heater, in particular to a wall-mounted intelligent water heater.

Background

Chinese patent literature publication No.: CN105485923a discloses a combustion system of a gas wall-mounted boiler, comprising an air and gas mixing inlet device 1, wherein the air and gas mixing inlet device 1 is connected with an inverted combustion heat exchanger 2, a smoke outlet of the inverted combustion heat exchanger 2 is connected with a smoke exhaust pipeline body 3 for discharging and conveying smoke, and an exhaust fan 31 is arranged on the smoke exhaust pipeline body 3; the smoke exhaust pipeline body 3 is provided with a condensed water discharge port 32.

The air and gas mixing inlet device 1 comprises a fan 11, a gas injection seat 12 is fixed on an air inlet of the fan 11, a gas inlet hole 121 is formed in the outer side of the gas injection seat 12, a through hole 122 is formed in the front surface of the gas injection seat, a circumferential gas circulation ring body hole 123 surrounding the through hole 122 is formed in the inner side of the gas injection seat, and the gas circulation ring body hole 123 is communicated with the gas inlet hole 121; the inner side wall of the through hole 122 is provided with a gas jet hole 1221, and the gas jet hole 1221 is communicated with the gas circulation ring body hole 123; the front side of the gas injection seat 12 is fixed with an air inducing cover 124, the middle part of the front side of the air inducing cover 124 is provided with an air inlet 1241, the back side is provided with an air inducing pipe 1242, the air inducing pipe 1242 is communicated with the air inlet 1241, and the air inducing pipe 1242 is positioned in the through hole 122 and also positioned at the position opposite to the wind wheel of the fan 11; the air outlet of the fan 11 is connected with an air receiving short pipe 125, and the air receiving short pipe 125 is connected to the inverted combustion heat exchanger 2. The upper section of the inverted combustion heat exchanger 2 is a combustion chamber 21, the lower section is a heat exchange channel 22, the bottom is a smoke outlet 23, and the smoke outlet 23 is connected to a smoke inlet of the smoke exhaust pipeline body 3; the ignition needle 211 is arranged on the combustion chamber 21; the inverted combustion heat exchanger 2 is provided with a water inlet 24 and a water outlet 25; an oxygen sensor 26 is arranged at the tail part of the combustion chamber 21; the top of the inverted combustion heat exchanger 2 is provided with an air inlet 27, a cover 28 is covered on the air inlet 27, and the cover 28 is connected to an air receiving short pipe 125.

The air inlet of the fan 11 of the product is fixedly provided with the gas injection seat 12, the front surface of the gas injection seat 12 is provided with a through hole 122 for air inlet, the inside of the through hole 122 is provided with a circumferential gas circulation ring body hole 123 surrounding the through hole 122, the inner side wall of the through hole 122 is provided with a gas jet hole 1221, air is sucked from the through hole 122 through the fan 11 and is sucked into the fan together with the gas jetted from the gas jet hole 1221 for stirring, and the air is quickly and quickly combusted in the combustion chamber 21 due to the high rotating speed of the fan, so that the air and the gas are difficult to be finely mixed uniformly, and part of the gas chemical core molecules cannot be thoroughly cut and combusted fully; furthermore, the gas jet hole 1221 is too close to the outside of the hole opening of the through hole 122, has a short path, has no buffer space for abnormal gas conditions, and when smoke exhaust barriers (such as reverse air and blockage) suddenly occur, the gas switch valve cannot be immediately closed, and the fan cannot suck according to the normal suction amount, so that part of small amount of gas is easy to flow back from the through hole 122 to the outside and the inside of the case, and abnormal dangerous gas use behaviors easily occur.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the wall-mounted intelligent water heater which is reasonable in structural arrangement, and the gas mixing box and the air proportional regulating valve are arranged among the gas proportional regulating valve, the exhaust fan and the double-layer smoke exhaust air inlet pipe, so that the gas and the air are mixed more uniformly, and the buffer air pressure space exists when ventilation is not smooth.

The scheme for solving the technical problems is as follows:

a wall-mounted intelligent water heater comprises a shell, a master controller, a functional operation controller, a gas switch valve, a gas proportion regulating valve, an exhaust fan, a reverse burning type gas combustion water heat exchanger, an igniter, an oxygen sensor, a smoke-water separation transverse pipe, a double-layer smoke exhaust air inlet pipe and a smoke exhaust conversion joint;

the shell comprises a box body and a box cover, the box cover is hinged to one side edge of the box body, and an electric installation cavity is formed in the box body;

the smoke discharging conversion connector is fixedly connected to the top of the box body in a penetrating way; the middle of the smoke discharging conversion joint is provided with a smoke discharging through hole, the periphery of the smoke discharging through hole is provided with an air inlet through hole, and the orifice of the smoke discharging through hole is higher than the orifice of the air inlet through hole;

the double-layer smoke exhaust air inlet pipe is vertically arranged at one side in the electric installation cavity; the double-layer smoke exhaust air inlet pipe comprises an inner layer smoke exhaust pipe and an outer layer air inlet pipe, wherein the inner layer smoke exhaust pipe is vertically and fixedly arranged in the middle of the inner part of the outer layer air inlet pipe, an air inlet channel is formed between the inner layer smoke exhaust pipe and the outer layer air inlet pipe, and the bottoms of the inner layer smoke exhaust pipe and the outer layer air inlet pipe are connected in a sealing manner; the top of the inner layer smoke exhaust pipe is in butt-plug sealing connection with the smoke exhaust through hole; the top of the outer layer air inlet pipe is in opposite-plug sealing connection with the air inlet through hole;

the back wall in the electric installation cavity is fixedly provided with a reverse burning type gas combustion water heat exchanger, a heat exchange water pipe is integrally wrapped and connected in the wall body of the reverse burning type gas combustion water heat exchanger, one end of the heat exchange water pipe is a water inlet joint pipe, the other end of the heat exchange water pipe is a water outlet joint pipe, and the water inlet joint pipe and the water outlet joint pipe are arranged outside the reverse burning type gas combustion water heat exchanger; the upper part of the front surface of the back-burning type gas combustion water heat exchanger is extended and connected with a gas inlet joint, a combustion chamber is arranged in the back-burning type gas combustion water heat exchanger, a gas outlet joint is extended and connected at the bottom of the back-burning type gas combustion water heat exchanger, and the upper part of the gas outlet joint is connected with an oxygen sensor in a penetrating type sealing and fixed way; an igniter is fixedly connected to the upper part of the front surface of the reverse combustion type gas combustion water heat exchanger in a penetrating and sealing way, and extends into the combustion chamber;

the smoke-water separation transverse pipe is transversely arranged, one end top of the smoke-water separation transverse pipe is in sealing butt joint communication with the smoke outlet joint, and the other end top of the smoke-water separation transverse pipe is in sealing butt joint communication with the bottom end of the inner smoke exhaust pipe; the inner part of the smoke-water separation transverse pipe is provided with a smoke-water separation pipe cavity, and the lowest point of the outer bottom part of the smoke-water separation transverse pipe is connected with a smoke-water separation drainage device which is communicated with the smoke-water separation pipe cavity;

the main controller is connected with the functional operation controller, the fuel gas switching valve, the fuel gas proportional control valve, the exhaust fan, the igniter and the oxygen sensor through wires respectively, the functional operation controller is fixedly arranged on the front wall body of the box cover, and the main controller is fixedly arranged at the bottom in the electric installation cavity;

the air outlet end of the exhaust fan is communicated with the gas inlet connector in a sealing connection manner;

the air mixing box is internally provided with an air mixing cavity; the air inlet end of the exhaust fan is connected with the top of the air mixing box in a sealing way and communicated with the air mixing cavity, the bottom of the air mixing box is connected with a fuel gas proportional regulating valve in a sealing way, and the other end of the fuel gas proportional regulating valve is connected with a fuel gas switching valve in a sealing way;

one side of the bottom of the gas mixing box is connected with an air proportion regulating valve in a sealing way, and the other end of the air proportion regulating valve is connected with a bottom air inlet of an outer-layer air inlet pipe in a sealing way;

the gas mixing box, the gas proportional regulating valve, the gas switching valve and the air proportional regulating valve are arranged in the electric installation cavity.

The wall-mounted intelligent water heater has the beneficial effects that: 1. the product is mainly characterized in that a gas mixing box and an air ratio regulating valve are arranged among a gas ratio regulating valve, an exhaust fan and a double-layer smoke exhaust air inlet pipe, the air ratio regulating valve and the gas ratio regulating valve are opened according to the original set ratio, air and gas synchronously enter a gas mixing cavity, first flowing premixing and general mixing are carried out in the gas mixing cavity, then the air enters the exhaust fan for second mixing, the second mixing is carried out by stirring and disturbing the air wheel of the exhaust fan in a rotating way, the gas and the air are uniformly mixed, the effect is better, then the combustion is carried out in a combustion chamber, chemical component substances in the gas are burnt more thoroughly, the emission of harmful substances after combustion is reduced, the combustion is more complete, the flame is blue, and the externally discharged smoke body is more environment-friendly; 2. when the smoke is discharged and the air intake is not smooth, the smoke is discharged and temporarily buffered on the output flue, the air intake of the air intake end is reduced, the air intake section side temporarily buffers the mixed gas cavity with a larger space, the space temporarily stores the mixed gas, the air pressure is buffered, the gas is prevented from flowing backwards to the air intake channel, the sudden abnormal sudden shutdown of the machine is avoided, the sudden stop of partial electronic elements of the control circuit is avoided, unnecessary damage to the electronic elements is avoided, the control software of the controller is prevented from being disordered, the gas leakage and the like, even if the machine is stopped, a certain time is also used for relieving the process, the control software and the electronic elements have a slow stop adaptation process, the protection circuit and the control software are improved in service life, and the subsequent control performance is better and smoother.

Drawings

FIGS. 1, 2 and 3 are perspective views of the product of the present utility model;

FIGS. 4 and 5 are perspective views of the product of the present utility model without the cover;

fig. 6, 7, 8, 9 are perspective views of the product of the present utility model without the housing;

FIGS. 10 and 11 are perspective views of the product of the present utility model without the housing and suction fan;

FIG. 12 is a perspective view of the connection structure of the inverted combustion type gas-water heat exchanger and the flue-water separation transverse pipe of the product of the utility model;

FIG. 13 is a cross-sectional view of the connection structure of the double-layer smoke exhaust air inlet pipe, smoke exhaust adapter, gas mixing box, fuel gas proportional control valve and air proportional control valve of the product of the utility model;

FIG. 14 is a perspective view of a double layer exhaust air inlet duct of the product of the present utility model;

FIG. 15 is a perspective view of the connection structure of the inverted combustion type gas-water heat exchanger and the flue-water separation transverse pipe of the product of the utility model;

FIG. 16 is a perspective view of a product of the present utility model, a reverse combustion gas-fired water heat exchanger;

fig. 17 and 18 are perspective views of a heat exchange water pipe, a water inlet joint pipe and a water outlet joint pipe of the product of the utility model;

fig. 19 and 20 are perspective views of a smoke-water separation transverse pipe of the product of the utility model;

FIGS. 21 and 22 are exploded views of the exhaust fan and the air mixing box of the product of the utility model;

FIG. 23 is a schematic view of the utility model in use.

The air-water mixing device comprises a shell A, a master controller B, a functional operation controller C, a gas switching valve D, a gas proportion adjusting valve E, an exhaust fan F, a reverse combustion type gas combustion water heat exchanger G, a smoke-water separation transverse pipe H, a double-layer smoke exhaust air inlet pipe I, a smoke exhaust conversion joint J, a gas mixing box K, an air proportion adjusting valve L, an atmospheric pressure sensor M, an air flow sensor N, a gas flow sensor O, a wind pressure sensor P, a water inlet temperature sensor Q1, a water outlet temperature sensor Q2, a box A1, a box cover A2, an electric installation cavity A3, a smoke exhaust through hole J1, an air inlet through hole J2, an inner layer smoke exhaust pipe I1, an outer layer air inlet pipe I2, a bottom air inlet I21, an air inlet channel I3, an air buffer cavity I31, a heat exchange water pipe G1, an air inlet joint pipe G2, a water outlet joint G3, a gas inlet joint G4, a smoke outlet joint G5, an oxygen sensor G6, an igniter G7, a smoke-water separation pipe cavity H1, a front joint H2, a rear joint H3, a smoke-water separation device H4, a fan outlet F1, a fan outlet F2, a water outlet F2, an air inlet K, an air inlet and a gas mixing valve K2.

Detailed Description

A wall-mounted intelligent water heater comprises a shell A, a master controller B, a functional operation controller C, a gas switching valve D, a gas proportional control valve E, an exhaust fan F, a reverse combustion type gas combustion water heat exchanger G, a smoke-water separation transverse pipe H, a double-layer smoke exhaust air inlet pipe I and a smoke exhaust conversion joint J; the exhaust fan F is a variable-frequency direct-current fan or an alternating-current fan. The back of the shell A is mounted on a wall by screws for hanging.

The shell A is in a three-dimensional square shape, is vertically arranged and used, has the overall height of less than 80 cm, the width of less than 60 cm and the thickness of less than 40 cm, and comprises a box body A1 and a box cover A2, wherein the box body A1 and the box cover A2 are made of iron plates or stainless steel plates, a layer of paint spraying coating (baking paint coating) is formed on the surface to prevent rust, decorative patterns are printed on the surface of the paint spraying coating, a metal hinge or a metal hinge shaft or a metal hinge is arranged on one side edge of the box body A1 by using screws so as to be hinged with the box cover A2, and an electric installation cavity A3 is formed in the box body A1 and used for installing various electric accessories;

the smoke exhaust conversion joint J is connected to the top of the box body A1 in a penetrating way (a just suitable conversion joint mounting hole is formed in one side of the top of the box body A1, and the smoke exhaust conversion joint J is connected to the conversion joint mounting hole in a penetrating way and is fixed to the top of the box body A1 by screwing; the middle of the smoke discharging conversion joint J is provided with a smoke discharging through hole J1, the periphery of the smoke discharging through hole J1 is provided with an air inlet through hole J2, and the orifice of the smoke discharging through hole J1 is higher than the orifice of the air inlet through hole J2;

the double-layer smoke exhaust air inlet pipe I is vertically arranged at one side in the electric installation cavity A3; the double-layer smoke exhaust air inlet pipe I comprises an inner-layer smoke exhaust pipe I1 and an outer-layer air inlet pipe I2, wherein the inner-layer smoke exhaust pipe I1 is vertically and fixedly arranged in the middle of the inner part of the outer-layer air inlet pipe I2, an air inlet channel I3 is arranged between the inner-layer smoke exhaust pipe I1 and the outer-layer air inlet pipe I2, and a thickened soft rubber sealing ring is tightly fixed at the bottom between the inner-layer smoke exhaust pipe I1 and the outer-layer air inlet pipe I2 for sealing connection; the top of the inner-layer smoke exhaust pipe I1 is tightly inserted with the smoke exhaust through hole J1, and a gap between the inner-layer smoke exhaust pipe I1 and the smoke exhaust through hole J1 is sealed by a soft rubber sealing ring for sealing connection; the top of the outer layer air inlet pipe I2 is tightly inserted with the air inlet through hole J2 and a gap between the outer layer air inlet pipe I2 and the air inlet through hole J2 is sealed by a soft rubber sealing ring for sealing connection; soft rubber of the soft rubber seal ring is as follows: rubber, silica gel, and the like; because the outer-layer air inlet pipe I2 wraps the inner-layer smoke exhaust pipe I1, when the smoke exhaust of the inner-layer smoke exhaust pipe I1 is at a temperature, cold air enters the air inlet channel I3 from the outside, and the cold air can cool the inner-layer smoke exhaust pipe I1;

the back wall in the electric installation cavity A3 is fixedly provided with a reverse combustion type gas combustion water heat exchanger G by screws, the reverse combustion type gas combustion water heat exchanger G is made of aluminum, the heat exchange effect is good, the reverse combustion type gas combustion water heat exchanger G is integrally cast by an aluminum casting machine, the electric installation cavity A belongs to the product in the prior art, a heat exchange water pipe G1 is tightly wrapped and connected in the wall body of the reverse combustion type gas combustion water heat exchanger G, the heat exchange water pipe G1 is made of copper, the heat exchange effect is good, one end of the heat exchange water pipe G1 is a water inlet joint pipe G2, the other end of the heat exchange water pipe G1 is a water outlet joint pipe G3, the water inlet joint pipe G2 and the water outlet joint pipe G3 are exposed and arranged outside the reverse combustion type gas combustion water heat exchanger G, and the water inlet joint pipe G2 is used for connecting tap water and the water outlet joint pipe G3 for connecting an output hot water pipe; the water inlet joint pipe G2 and the water outlet joint pipe G3 penetrate out from the bottom of the box body A1; the upper part of the front of the inverted combustion type gas combustion water heat exchanger G is extended and convexly connected with a gas inlet joint G4, a combustion chamber and a gas combustion heat exchange channel are formed in the inverted combustion type gas combustion water heat exchanger G, a smoke outlet joint G5 is extended and connected at the bottom of the inverted combustion type gas combustion water heat exchanger G, an oxygen sensor G6 is fixedly connected to the upper part of the smoke outlet joint G5 in a penetrating and connecting mode through a sensor penetrating hole formed in the upper part of the smoke outlet joint G5, the oxygen sensor G6 can be just inserted into the smoke outlet joint G5 in a penetrating and connecting mode, the oxygen sensor G6 is screwed tightly through a screw thread structure, a hole gap between the oxygen sensor G6 and the smoke outlet joint G5 is sealed through a rubber seal, and the oxygen sensor G6 is used for detecting the oxygen content of smoke to judge whether the oxygen content of smoke meets the sufficient combustion standard or not; an igniter G7 is fixedly connected to the upper part of the front surface of the inverted combustion type gas combustion water heat exchanger G in a penetrating and sealing manner, the igniter G7 stretches into a combustion chamber (namely, an ignition pinhole is formed in the upper part of the front surface of the inverted combustion type gas combustion water heat exchanger G, the igniter G7 can be just inserted into the combustion chamber in a penetrating manner, the igniter G7 and the combustion chamber are screwed up through a screw structure, a hole gap between the igniter G7 and the igniter G7 is sealed by rubber, and the igniter G7 is used for combustion ignition);

the smoke-water separation transverse pipe H is transversely arranged, the smoke-water separation transverse pipe H is integrally formed, one end top of the smoke-water separation transverse pipe H is in sealing butt joint communication with the smoke outlet joint G5, the other end top of the smoke-water separation transverse pipe H is in sealing butt joint communication with the bottom end of the inner smoke exhaust pipe I1 (namely, the front end top of the smoke-water separation transverse pipe H is extended with a front pipe joint H2, the rear end top of the smoke outlet joint G5 is just inserted into a pipe orifice of the front pipe joint H2 and a gap between the front pipe joint H2 and the front pipe joint H is sealed by a silica gel sealing ring to leak water and smoke, and the rear pipe joint H3 is just inserted into the bottom end of the inner smoke exhaust pipe I1 and the gap between the front pipe joint H2 and the rear pipe joint H3 is sealed by the silica gel sealing ring to leak smoke); the inside of the smoke-water separation transverse pipe H is provided with a smoke-water separation pipe cavity H1, the lowest point of the bottom of the outer bottom of the smoke-water separation transverse pipe H is connected with a smoke-water separation drainage device H4, the smoke-water separation drainage device H4 is communicated with the smoke-water separation pipe cavity H1, and the smoke-water separation drainage device H4 is fixedly connected to the inner bottom of the box body A1 in a penetrating way; when the gas-water separation device is used, condensed water and smoke discharged during heat exchange of the reverse combustion gas combustion water heat exchanger G flow downwards from the smoke outlet joint G5 to enter a smoke-water separation pipe cavity H1 of the smoke-water separation transverse pipe H;

the main controller B is respectively connected with the functional operation controller C, the gas switching valve D, the gas proportional control valve E, the exhaust fan F and the oxygen sensor G6 through wires, the functional operation controller C can be a mechanical key or a liquid crystal touch screen, the functional operation controller C is fixedly arranged on the front wall body of the box cover A2 (namely, a controller mounting hole is formed in the front of the box cover A2, the functional operation controller C can just penetrate through the controller mounting hole and is fixedly connected with the box cover A2 by screwing, the functional operation controller C comprises a switch, a water temperature, a reset function key, a timing function key, a time function operation key and the like, and the main controller B is fixedly arranged at the inner bottom of the electric installation cavity A3 by screwing;

the air outlet end of the exhaust fan F is communicated with the gas inlet joint G4 in a sealing way (namely, the air outlet joint F1 of the fan F is butted with the gas inlet joint G4 and is screwed up by a screw, and a rubber sealing ring is clamped between the air outlet joint F1 of the exhaust fan F and the gas inlet joint G4 to seal and prevent air leakage);

the exhaust fan F, the gas inlet connector G4, the combustion chamber, the gas combustion heat exchange channel, the smoke outlet connector G5, the smoke-water separation transverse pipe H, the inner smoke exhaust pipe I1 and the smoke exhaust through hole J1 are sequentially communicated;

the main technical improvement of the product is as follows: the wall-mounted intelligent water heater also comprises a gas mixing box K which is made of plastic or metal and is integrally formed, wherein the gas mixing box K is internally provided with a gas mixing cavity K1, and the volume of the gas mixing cavity K1 in the gas mixing box K is 15-30 cubic centimeters; the air inlet end of the exhaust fan F is connected with the top of the air mixing box K in a sealing way and communicated with the air mixing cavity K1 (namely, a mixed gas outlet K2 is formed in the top of the air mixing box K and communicated with the air mixing cavity K1, the mixed gas outlet K2 of the air mixing box K is fixedly connected with the fan air inlet F2 of the exhaust fan F in a butt joint way and screwed tightly by screws, a rubber sealing gasket sealing gap is clamped between the mixed gas outlet K2 and the fan air inlet F, and the air mixing box F is hermetically connected with a gas proportional control valve E (namely, a gas inlet K3 is formed in the bottom of the air mixing box K and communicated with the air mixing cavity K1, the opening edge of the gas inlet at the bottom of the air mixing box K is in butt joint with the upper joint of the gas proportional control valve E and is fixedly connected with the upper joint of the gas proportional control valve E by screwing tightly, and the other end of the gas proportional control valve E is hermetically connected with a gas switching valve D (the other end of the gas proportional control valve E is tightly and the gas switching valve D are tightly and hermetically connected with the gas switching valve D by adopting a thread structure and a rubber sealing gasket);

an air proportional control valve L is hermetically connected to one side of the bottom of the gas mixing box K (namely, a proportional valve butt joint K4 is arranged on one side of the bottom of the gas mixing box K, the proportional valve butt joint edge of the gas mixing box K is in butt joint with one end joint of the air proportional control valve L and is fixedly connected through screw tightening, a rubber sealing gasket sealing gap is clamped between the proportional valve butt joint edge and the air proportional control valve L to prevent air leakage), the other end of the gas proportional control valve E is hermetically connected with a bottom air inlet I21 of an outer air inlet pipe I2 (namely, the bottom air inlet I21 is arranged at the bottom of the outer air inlet pipe I2, and the bottom air inlet edge of the outer air inlet pipe I2 is in butt joint with the other end joint edge of the gas proportional control valve E and is fixedly connected through screw tightening, and the rubber sealing gasket sealing gap is clamped between the proportional control valve E to prevent air leakage);

the gas mixing box K, the gas proportional regulating valve E, the gas switching valve D and the air proportional regulating valve L are arranged in the electric installation cavity A3.

The air inlet through hole J2, the air inlet channel I3, the air proportional control valve L and the air mixing cavity K1 are sequentially communicated;

the gas mixing cavity K1, the exhaust fan F, the gas inlet connector G4, the combustion chamber, the gas combustion heat exchange channel, the smoke outlet connector G5, the smoke-water separation transverse pipe H, the inner smoke exhaust pipe I1 and the smoke exhaust through hole J1 are sequentially communicated;

and the fuel gas proportional control valve E and the gas mixing cavity K1 are sequentially communicated.

When the product is used, the machine is started firstly through the switch key of the function operation controller C, the main controller B starts to work, the air proportion regulating valve L is started firstly according to the original set proportion, the exhaust fan F is started to exhaust air for 15 seconds to 30 seconds, external air enters the air inlet channel I3 from the air inlet through hole J2, then sequentially passes through the air mixing cavity K1, the exhaust fan F, the gas inlet connector G4, the combustion chamber, the gas combustion heat exchange channel, the smoke outlet connector G5, the smoke-water separation transverse pipe H, the inner smoke exhaust pipe I1 and the smoke exhaust through hole J1, finally is discharged outwards, fresh air is exchanged in the machine firstly, the exhaust fan F is used for continuously exhausting air, then the main controller B controls the ignition of the igniter G7, the oxygen sensor G6 starts to detect the content of smoke and oxygen, then the master controller B controls the gas switching valve D to be opened so that gas enters, the gas proportion regulating valve E is opened according to the original set proportion, air and gas synchronously enter the mixing cavity K1, the first flowing premixing and the general mixing are carried out in the mixing cavity K1, then the gas enters the exhaust fan F for the second mixing, the second mixing is carried out by rotating and stirring the wind wheel of the exhaust fan F to disturb the fine mixing, the gas and the air are uniformly mixed, the effect is better, the gas enters the combustion chamber from the gas inlet joint G4 for combustion, chemical component substances in the gas are burnt more thoroughly, the emission of harmful substances after the combustion is reduced, the combustion is more sufficient, the flame is more blue, and the externally discharged smoke is more environment-friendly; when in combustion, main heat is in the combustion chamber and the gas combustion heat exchange channel, flame and heat of the combustion chamber downwards pass through the gas combustion heat exchange channel to heat the inverted combustion gas combustion water heat exchanger G, water passing through the heat exchange water pipe G1 is heated, smoke body subjected to heat exchange is discharged downwards from the smoke outlet joint G5, condensed water generated by heat exchange is discharged downwards from the smoke outlet joint G5, smoke discharged and discharged condensed water enters a smoke-water separation pipe cavity H1 of the smoke-water separation transverse pipe H, smoke body continuously flows forwards from the smoke-water separation pipe cavity H1 to enter an inner smoke discharge pipe I to be discharged outwards, the smoke body is discharged from a smoke discharge through hole J1, the condensed water side enters a smoke-water separation drainage device H4 from the bottom of the smoke-water separation pipe cavity H1 (the smoke-water separation drainage device H4 is a smoke-water drainage floating ball valve, and is a product in the prior art), a very small amount of smoke body possibly downwards enters the smoke-water separation device H4, the condensed water floats from the inner lower part, and the smoke body side is discharged outwards through the water seepage and high water seepage and water level stops the smoke-water leakage from the smoke-water drainage device H4, and the smoke-water seepage drainage device cannot be realized;

when a product is produced, a manufacturer presets the proportion ratio of opening of an air proportion regulating valve L and a fuel gas proportion regulating valve E in an internal program of a main controller B, an oxygen sensor G6 continuously detects the oxygen content value discharged by the burnt smoke body in the combustion process, the discharged smoke body has a certain preset oxygen content value error, the currently set oxygen content value is equal to or lower than 5% and is normal, the full combustion is considered, the abnormal combustion is considered to be higher than 5%, and the air and fuel gas proportion error exists; when the oxygen content value is higher than the set value, the main controller B controls the air proportional control valve L to open the proportional control valve L to adjust the air inlet amount, and finally, when the oxygen sensor G6 detects that the oxygen content value is equal to or lower than 5%, the main controller B determines that the opening proportion of the air proportional control valve L is not moving, and continuous combustion is carried out.

When the product is sold to a user for installation and use at home, if the product is installed in a more airtight environment in a room for use, the top of the smoke discharging conversion joint J is connected with a double-layer outdoor smoke discharging air inlet pipe which extends out of a wall for smoke discharging and air inlet; if the double-layer outdoor smoke exhaust air inlet pipe is arranged in an open environment with sufficient air ventilation and rain-proof environment, the double-layer outdoor smoke exhaust air inlet pipe is not required to be arranged.

The top of the smoke discharging conversion joint J is used for being in butt joint with a double-layer outdoor smoke discharging air inlet pipe, the middle inner pipe head of the smoke discharging conversion joint J is inserted into the inner layer of the double-layer outdoor smoke discharging air inlet pipe to discharge smoke outwards, and a gap between the two smoke discharging pipes is sealed by a silica gel sealing ring so as to prevent smoke leakage; the middle outer pipe head of the smoke discharging conversion joint J is inserted into the outer layer air inlet pipe of the double-layer outdoor smoke discharging air inlet pipe and the gap between the two is sealed by a silica gel sealing ring so as to prevent air leakage; an outdoor air inlet channel is arranged between the outer-layer external smoke exhaust pipe and the outer-layer air inlet pipe, and is communicated with an air inlet through hole J2 and an air inlet channel I3 for air inlet; the inner layer is communicated with the smoke discharging through hole J1 and the inner layer smoke discharging pipe I1 discharges smoke;

when the device is installed in a more airtight indoor environment, the top of the smoke discharging conversion joint J is connected with the outer part of the wall, smoke discharging and air inlet are carried out, under normal working conditions, smoke discharging and air inlet are free of problems, however, when external strong wind blows to the external smoke discharging port of the double-layer outdoor smoke discharging air inlet pipe, external strong wind pressure is opposite to the inner layer to the smoke discharging port of the external smoke discharging pipe, so that the air pressure of the pipe is low and the air pressure of the pipe is large, the pipe is asymmetric with the external air pressure, the inner layer can produce temporary smoke discharging barriers (such as reverse air, blockage and smoke discharging amount) to the external smoke discharging pipe, the exhaust fan F normally rotates, but smoke discharging is not smooth, air inlet is not smooth, smoke discharging is temporarily buffered on an output flue, the air inlet of an air inlet end is reduced, the air inlet side is provided with a large-space mixed gas cavity K1 for temporarily storing mixed gas, the purpose of setting the mixed gas cavity K1 is avoided, the situation that the air enters a channel I3 is avoided, sudden abnormal shutdown of a machine is avoided, partial electronic component of a control circuit is avoided, the electronic component is disordered, the electronic component is prevented from being started, the electronic component is prevented from being suddenly disturbed, the electronic component is prevented from damaging the electronic component is prevented from producing a control component, the electronic control component is more has a better control software, the electronic control device is more smoothly has a better control software, the control software is more has a better control software and has a longer control life, the control process is more has a longer time, and has a longer control time is suitable to be used, and more suitable to control, and has a longer control process is more has better and more time and has a longer time life control.

The master controller B is connected with an atmospheric pressure sensor M through a data line, and the atmospheric pressure sensor M is connected with the master controller B through a data line; in order to adapt to the installation and use of a higher altitude area, the higher the altitude is and the smaller the oxygen amount is, the atmospheric pressure sensor M is additionally arranged, for example, when the product is installed at the higher altitude of Tibet, yunnan, xinjiang, gansu, sichuan and the like, after the product is started, the master controller B detects the external atmospheric pressure through the atmospheric pressure sensor M, the master controller B controls and opens the opening proportion of the gas proportion regulating valve E and the air proportion regulating valve L according to the external atmospheric pressure value according to the feedback of the external atmospheric pressure value, so that the air and the gas are properly proportioned, the mixed gas entering the combustion chamber is easy to ignite, and the problem that the air and the gas are not proportioned proportionally and cannot ignite and burn is avoided.

In order to improve the detection capability, an air flow sensor N is arranged on an air inlet channel of the air proportional regulating valve L and is connected with a main controller B through a data line; the gas flow sensor O is arranged on the gas inlet channel of the gas proportional regulating valve E and is connected with the master controller B through a data line; when the intelligent air flow control device is used, the air flow sensor N and the gas flow sensor O work synchronously, the air flow and the gas flow are calculated according to cubic meters per minute, flow information of the air flow and the gas flow is fed back to the main controller B, and the main controller B is displayed to a user to watch through a digital display/a liquid crystal display screen of the functional operation controller C so as to know the condition of operation data; when the air flow sensor N feeds back the air flow value to match whether the air flow value is in a normal matching range or not, if the air flow value is not in the preset range, the total controller B continuously controls the opening proportion adjustment of the air proportional control valve L to correct errors, so that the air and gas mixing proportion is more accurate, and the gas is more sufficient; meanwhile, after the air proportional control valve L is opened, the total controller B can know whether the air inlet channel is smoothly ventilated through the feedback flow value of the air flow sensor N, and if the air inlet channel is not smoothly ventilated, the total controller B reversely controls the opening proportion of the fuel gas proportional control valve E according to the air flow value; if the air flow sensor N does not generate flow or is lower than a preset value, the master controller B closes the gas switching valve D, so that the normal operation is not realized.

In order to improve the operation safety of the machine, the main controller B is connected with a wind pressure sensor P through a data line, and the wind pressure sensor P is connected with a screw and a soft rubber sealing ring in a penetrating way to be sealed and arranged at an air inlet of the exhaust fan F for detecting the ventilation pressure; setting a value range of a wind pressure sensor P in the master controller B; when the exhaust of the exhaust fan F is not smooth, the value of the wind pressure sensor P becomes low, and when the value is lower than a set value, ventilation is considered to be unsmooth, and normal air intake and combustion cannot be performed, so that the overall controller B controls the gas switching valve D to be closed and the gas proportional control valve E to be closed according to the lowest proportion, gas leakage is prevented, then the igniter G7 and the air proportional control valve L are closed, and other functions are closed, so that the operation is stopped.

An air buffer cavity I31 which enlarges the width of the air inlet channel I3 is arranged in the middle section of the outer-layer air inlet pipe I2, and the air buffer cavity I31 belongs to a part of the air inlet channel I3; under the condition of use, the air buffer cavity can widen the space of the air entering channel I3, reduces the rapid flow of the air inlet, increases the air inlet quantity, and has buffer and better effect with the air proportional control valve L in cooperation with the air inlet regulation.

The inner layer smoke exhaust pipe I1 is made of ferrous metal, preferably stainless steel; the outer air inlet pipe I2 is made of ferrous metal or hard plastic, preferably stainless steel.

In order to conveniently set the required water temperature, the water inlet joint pipe G2 is fixedly connected with a water inlet temperature sensor Q1, and the main controller B is connected with the water inlet temperature sensor Q1 through a data line. The water outlet joint pipe G3 is fixedly connected with a water outlet temperature sensor Q2, and the master controller B is connected with the water outlet temperature sensor Q2 through a data line. The required water outlet temperature is set on the functional operation controller C, and the total controller B adjusts the opening proportion of the fuel gas proportional control valve E, the air proportional control valve L and the power of the exhaust fan F according to the required water outlet temperature, and finally the required water temperature is achieved through overall power adjustment and combustion. The water inlet temperature and the water outlet temperature are displayed by a digital display/liquid crystal display screen of the functional operation controller C for a user to watch so as to know the running data condition and the cold water temperature.

Claims (10)

1. A wall-mounted intelligent water heater comprises a shell, a master controller, a functional operation controller, a gas switch valve, a gas proportion regulating valve, an exhaust fan, a reverse burning type gas combustion water heat exchanger, an igniter, an oxygen sensor, a smoke-water separation transverse pipe, a double-layer smoke exhaust air inlet pipe and a smoke exhaust conversion joint;

the shell comprises a box body and a box cover, the box cover is hinged to one side edge of the box body, and an electric installation cavity is formed in the box body;

the smoke discharging conversion connector is fixedly connected to the top of the box body in a penetrating way; the middle of the smoke discharging conversion joint is provided with a smoke discharging through hole, the periphery of the smoke discharging through hole is provided with an air inlet through hole, and the orifice of the smoke discharging through hole is higher than the orifice of the air inlet through hole;

the double-layer smoke exhaust air inlet pipe is vertically arranged at one side in the electric installation cavity; the double-layer smoke exhaust air inlet pipe comprises an inner layer smoke exhaust pipe and an outer layer air inlet pipe, wherein the inner layer smoke exhaust pipe is vertically and fixedly arranged in the middle of the inner part of the outer layer air inlet pipe, an air inlet channel is formed between the inner layer smoke exhaust pipe and the outer layer air inlet pipe, and the bottoms of the inner layer smoke exhaust pipe and the outer layer air inlet pipe are connected in a sealing manner; the top of the inner layer smoke exhaust pipe is in butt-plug sealing connection with the smoke exhaust through hole; the top of the outer layer air inlet pipe is in opposite-plug sealing connection with the air inlet through hole;

the back wall in the electric installation cavity is fixedly provided with a reverse burning type gas combustion water heat exchanger, a heat exchange water pipe is integrally wrapped and connected in the wall body of the reverse burning type gas combustion water heat exchanger, one end of the heat exchange water pipe is a water inlet joint pipe, the other end of the heat exchange water pipe is a water outlet joint pipe, and the water inlet joint pipe and the water outlet joint pipe are arranged outside the reverse burning type gas combustion water heat exchanger; the upper part of the front surface of the back-burning type gas combustion water heat exchanger is extended and connected with a gas inlet joint, a combustion chamber is arranged in the back-burning type gas combustion water heat exchanger, a gas outlet joint is extended and connected at the bottom of the back-burning type gas combustion water heat exchanger, and the upper part of the gas outlet joint is connected with an oxygen sensor in a penetrating type sealing and fixed way; an igniter is fixedly connected to the upper part of the front surface of the reverse combustion type gas combustion water heat exchanger in a penetrating and sealing way, and extends into the combustion chamber;

the smoke-water separation transverse pipe is transversely arranged, one end top of the smoke-water separation transverse pipe is in sealing butt joint communication with the smoke outlet joint, and the other end top of the smoke-water separation transverse pipe is in sealing butt joint communication with the bottom end of the inner smoke exhaust pipe; the inner part of the smoke-water separation transverse pipe is provided with a smoke-water separation pipe cavity, and the lowest point of the outer bottom part of the smoke-water separation transverse pipe is connected with a smoke-water separation drainage device which is communicated with the smoke-water separation pipe cavity;

the main controller is connected with the functional operation controller, the fuel gas switching valve, the fuel gas proportional control valve, the exhaust fan, the igniter and the oxygen sensor through wires respectively, the functional operation controller is fixedly arranged on the front wall body of the box cover, and the main controller is fixedly arranged at the bottom in the electric installation cavity;

the air outlet end of the exhaust fan is communicated with the gas inlet connector in a sealing connection manner;

the method is characterized in that: the air mixing box is internally provided with an air mixing cavity; the air inlet end of the exhaust fan is connected with the top of the air mixing box in a sealing way and communicated with the air mixing cavity, the bottom of the air mixing box is connected with a fuel gas proportional regulating valve in a sealing way, and the other end of the fuel gas proportional regulating valve is connected with a fuel gas switching valve in a sealing way;

one side of the bottom of the gas mixing box is connected with an air proportion regulating valve in a sealing way, and the other end of the air proportion regulating valve is connected with a bottom air inlet of an outer-layer air inlet pipe in a sealing way;

the gas mixing box, the gas proportional regulating valve, the gas switching valve and the air proportional regulating valve are arranged in the electric installation cavity.

2. A wall-mounted intelligent water heater as claimed in claim 1, wherein: the master controller is connected with an atmospheric pressure sensor through a data line, and the atmospheric pressure sensor is connected with the master controller through a data line.

3. A wall-mounted intelligent water heater as claimed in claim 1, wherein: an air flow sensor is arranged on an air inlet channel of the air proportional regulating valve and is connected with a master controller through a data line.

4. A wall-mounted intelligent water heater as claimed in claim 1, wherein: and a gas flow sensor is arranged on an air inlet channel of the gas proportional regulating valve and is connected with the master controller through a data line.

5. A wall-mounted intelligent water heater as claimed in claim 1, wherein: the main controller is connected with a wind pressure sensor through a data line, and the wind pressure sensor is connected with a screw and a soft rubber sealing ring in a penetrating way and is hermetically arranged at an air inlet of the exhaust fan for detecting ventilation pressure.

6. A wall-mounted intelligent water heater as claimed in claim 1, wherein: an air buffer cavity for enlarging the width of the air inlet channel is arranged in the middle section of the outer-layer air inlet pipe, and the air buffer cavity belongs to a part of the air inlet channel.

7. A wall-mounted intelligent water heater according to any one of claims 1 to 6, wherein: the inner layer smoke exhaust pipe is made of ferrous metal; the outer layer air inlet pipe is made of ferrous metal or hard plastic.

8. A wall-mounted intelligent water heater according to any one of claims 1 to 6, wherein: the water inlet joint pipe is fixedly connected with a water inlet temperature sensor, and the master controller is connected with the water inlet temperature sensor through a data line.

9. A wall-mounted intelligent water heater according to any one of claims 1 to 6, wherein: the water outlet joint pipe is fixedly connected with a water outlet temperature sensor, and the master controller is connected with the water outlet temperature sensor through a data line.

10. A wall-mounted intelligent water heater according to any one of claims 1 to 6, wherein: the exhaust fan is a variable-frequency direct-current fan.