CN113959093A

CN113959093A - Gas water heater

Info

Publication number: CN113959093A
Application number: CN202111152436.9A
Authority: CN
Inventors: 刘飞; 谢传淞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-01-21

Abstract

The invention relates to the technical field of water heaters, in particular to a gas water heater, which comprises a main body box, wherein the right side of the main body box is fixedly connected with a water storage box, the inner bottom wall of the main body box is fixedly connected with a working box, the inner wall of the working box is fixedly connected with a mechanism box, the right side of the mechanism box is provided with an insulation box, the bottom of the insulation box is provided with a water discharge pipe, the right side of the insulation box is provided with an insulation shell fixedly connected with the inner wall of the working box, the inner wall of the insulation shell is fixedly connected with an electric preheating assembly, the upper surface of the insulation shell is provided with a fixed block, and a switch mechanism is arranged in the main body box; through adopting above-mentioned technical scheme, can reduce calorific loss and make the work box inside be in higher temperature always in gas heater working process, when having solved outdoor temperature low, the heat exchange efficiency greatly reduced of heat exchanger leads to the heating efficiency step-down, influences the temperature of the heating efficiency of water tank to make this gas heater have the unchangeable effect of the heating efficiency of keeping equipment when outdoor temperature is low.

Description

Gas water heater

Technical Field

The invention relates to the technical field of water heaters, in particular to a gas water heater.

Background

At present, the traditional gas water heater has a complex structure, and the mainly adopted combustion mode is flame combustion, namely the fuel and oxygen or air carry out rapid heat release and luminescence and oxidation reaction in the form of flame. The combustion mode has the advantages of incomplete combustion, low heat exchange efficiency and low energy utilization rate, and more pollutants are generated in the combustion process, so that the combustion mode is one of the main reasons for frequent occurrence of haze weather.

In northeast China, in cold winter, when a gas water heater is used, the temperature of air in a combustion chamber is low due to the external temperature, and ignition of natural gas in the combustion chamber is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a gas water heater to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a gas water heater comprises a main body box, wherein a water storage box is fixedly connected to the right side of the main body box, three placing holes are formed in a shell on the left side of the water storage box, heat conducting layers are arranged in the placing holes, a working box is fixedly connected to the inner bottom wall of the main body box, a mechanism box is fixedly connected to the inner wall of the working box, a fan is fixedly connected to the inner wall of the mechanism box, an exhaust pipe is fixedly connected to the air outlet end of the fan, a combustion chamber is fixedly connected to the bottom end of the exhaust pipe, a copper pipe is fixedly connected to the front side of the combustion chamber, the end of the copper pipe penetrates through the water storage box and extends into the water storage box, a heat preservation pipe is fixedly connected to the air inlet end of the fan, a heat preservation box is arranged on the right side of the working box, a round hole is formed in the bottom of the heat preservation box, a drain pipe is fixedly connected to the inner wall of the round hole, and a clamping mechanism is fixedly connected to the inner wall of the drain pipe, and the right side of the heat insulation box is provided with a heat insulation shell fixedly connected with the inner wall of the working box, the inner wall of the heat insulation shell is fixedly connected with an electric preheating assembly, the top of the heat insulation shell is provided with a through hole, the upper surface of the heat insulation shell is provided with a fixed block, the upper half part of the fixed block is provided with a water inlet pipe, the back of the working box is fixedly connected with an air inlet pipe, the inner wall of the air inlet pipe is fixedly connected with a filter screen, and the main box is internally provided with a switch mechanism.

Preferably, the left end of the water inlet pipe penetrates through the fixing block and extends into the heat insulation box, and the right end of the water inlet pipe penetrates through the fixing block, the working box, the main body box and the water storage box and extends into the water storage box.

Preferably, the left end of the heat preservation pipe is fixedly connected with the fan, the main body of the heat preservation pipe is installed in the heat preservation box, and the right end of the heat preservation pipe penetrates through the heat preservation shell and extends into the heat preservation shell.

Preferably, the electric preheating assembly comprises a plurality of rows of resistance wires, two ends of the resistance wires are fixedly mounted on the electrifying disc, the electrifying disc is annular, a plurality of connecting rods are fixedly mounted on the outer side of the electrifying disc, and the ends of the connecting rods are fixedly connected with the heat preservation shell.

Preferably, the inside of filter screen is provided with active carbon, the material of heat preservation shell is aluminium silicate.

Preferably, chucking mechanism includes the fixture block, fixture block and drain pipe inner wall fixed connection, the inner wall of round hole is seted up flutedly, the inner wall fixedly connected with electro-magnet of recess, just the inner wall fixedly connected with spring of recess, sliding connection has the slide bar in the spring, the end of slide bar and the inner wall fixed connection of recess, just spring end fixedly connected with picture peg, picture peg back and slide bar sliding connection, the slot has been seted up at the back of fixture block, the inner wall fixedly connected with rubber pad of slot, slot and picture peg looks adaptation.

Preferably, the switch mechanism comprises a first switch component, a second switch component, a third switch component and a fourth switch component, the first switch component is fixedly installed at the upper right side in the mechanism box shell, the first switch component comprises a first piston cylinder, a first piston is installed in the first piston cylinder in a sealing mode, a first baffle is fixedly connected to the bottom of the first piston, a first placing groove is formed in the top of the first piston, a first heat conducting layer is arranged on the top of the first placing groove, and the first heat conducting layer extends into a placing hole of the shell on the left side of the water storage box;

the switch component II is fixedly arranged at the bottom of the fixed block and comprises a piston cylinder II, a piston II is arranged in the piston cylinder II in a sealing manner, a baffle II is fixedly connected to the bottom of the piston II, a reset spring II is fixedly arranged at the left end of the baffle II, the left end of the reset spring II is fixedly connected with the inner wall of the fixed block, a placing groove II is formed in the right end of the piston II, a heat conducting layer II is arranged at the right end of the placing groove II, the heat conducting layer II extends into a placing hole of a shell at the left side of the water storage tank, the baffle II adopts a structure with a hole at the left side and a solid right side, and a hole formed in the baffle II is matched with the through hole;

the third switch assembly is fixedly arranged in the shell on the right side of the working box and positioned at the top of the air inlet pipe, the third switch assembly comprises a third piston cylinder, a third piston is arranged in the third piston cylinder in a sealing mode, the bottom of the third piston is fixedly connected with a third baffle, a third placing groove is formed in the top of the third piston, a third heat conducting layer is arranged at the top of the third placing groove, the third heat conducting layer extends into a placing hole in the shell on the left side of the water storage box, and the third switch assembly and the first switch assembly are identical in structure;

no. four fixed mounting of switch module just is located the inlet tube below at the through-hole top, inlet tube switch module includes the piston cylinder No. four, No. four and through-hole looks adaptation of piston cylinder, just No. four inner seal of piston cylinder installs the piston No. four, No. four top fixedly connected with baffles No. four, No. four top fixed mounting of baffle has reset spring No. four, No. four tops of reset spring and fixed block inner wall fixed connection, just No. four baffle adopt the structure of the solid lower half trompil in first, hole and inlet tube looks adaptation in the baffle No. four.

Compared with the prior art, the gas water heater has the beneficial effects that the heat loss in the heat-insulating shell can be reduced by arranging the heat-insulating shell, so that the purpose of keeping the heat-insulating shell at a higher temperature is realized; by arranging the electric preheating assembly, the heat-insulating shell and the gas in the heat-insulating shell can be efficiently and uniformly heated, and the purpose of improving the heating efficiency is realized; the filter screen is arranged, so that sundries in the air can be filtered, and the cleanness of the inside of the working box is ensured; the external air is pumped into the combustion chamber by arranging the fan, the heat preservation pipe and the exhaust pipe; by arranging the combustion chamber and the copper pipe, the energy in the air can be converted into heat energy by utilizing internal equipment, and the heat energy is transferred to the interior of the water storage tank through the copper pipe to heat the internal water; by arranging the switch assembly and the water inlet pipe, hot water can be conveyed into the heat insulation box when the temperature of the water storage tank reaches a specified temperature, and power supply equipment is not adopted, so that the loss of electric quantity is reduced; the water discharging pipe and the clamping mechanism are arranged, so that water can be discharged when the inside of the heat preservation box is cooled by water, and the water discharging pipe can be blocked and communicated by the clamping mechanism; through adopting above-mentioned technical scheme, can reduce calorific loss and make the work box inside be in higher temperature always in gas heater working process, when having solved winter outdoor temperature low, the heat exchange efficiency greatly reduced of heat exchanger leads to the heating efficiency step-down, influences the temperature of the heating efficiency of water tank to make this gas heater have when outdoor temperature is low the unchangeable effect of the heating efficiency of keeping equipment.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic front sectional view of the main body case of the present invention;

FIG. 4 is a schematic side sectional view of the main body case of the present invention;

FIG. 5 is an enlarged view of A in FIG. 4 according to the present invention;

FIG. 6 is a schematic cross-sectional view of an electrical pre-heat assembly of the present invention;

FIG. 7 is a schematic front view of a first switch assembly of the present invention;

FIG. 8 is a schematic diagram of a second embodiment of the switch assembly of the present invention;

FIG. 9 is a schematic front view of a third switch assembly of the present invention;

fig. 10 is a schematic front view of the switch assembly of the present invention.

In the figure: 1. a main body case; 2. a work box; 3. storing water; 31. placing holes; 4. a drain pipe; 41. an electromagnet; 42. a spring; 43. a slide bar; 44. inserting plates; 45. a clamping block; 46. a rubber pad; 5. a mechanism box; 51. a fan; 52. an exhaust duct; 53 a combustion chamber; 54. a copper pipe; 55; a first switch component; 551. a piston cylinder I; 552. a piston number one; 553. a baffle plate I; 554. placing a first slot number; 555. a heat conduction layer I; 6. a heat preservation box; 61. a heat preservation pipe; 7. a fixed block; 71. a water inlet pipe; 72. a switch assembly number four; 721. a piston cylinder number four; 722. piston number four; 723. a baffle plate number four; 724. a return spring is in a fourth position; 73. a switch component II; 731. a piston cylinder II; 732. piston two; 733. the baffle plate is the second number; 734. a second reset spring; 735. placing a second groove; 736. a heat conduction layer II; 8. a resistance wire; 81. a power-on disc; 82. a connecting rod; 9. a heat preservation shell; 91. an air inlet pipe; 92. a through hole; 93. a switch assembly III; 931. a piston cylinder III; 932. piston number three; 933. a baffle plate III; 934. placing groove No. III; 935. a heat conduction layer III; 94. a filter screen; 10. and (5) discharging a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, a gas water heater comprises a main body tank 1, a water storage tank 3 is fixedly connected to the right side of the main body tank 1, three placing holes are formed in the left casing of the water storage tank 3, heat conducting layers are arranged in the placing holes and used for transferring the water temperature in the water storage tank 3, a working tank 2 is fixedly connected to the inner bottom wall of the main body tank 1, a mechanism tank 5 is fixedly connected to the inner wall of the working tank 2, a fan 51 is fixedly connected to the inner wall of the mechanism tank 5, an exhaust pipe 52 is fixedly connected to the air outlet end of the fan 51, a combustion chamber 53 is fixedly connected to the bottom end of the exhaust pipe 52, a heat insulation pipe 61 is fixedly connected to the air inlet end of the fan 51, the fan 51 is used for conveying air into the combustion chamber 53, an insulation box 6 is arranged on the right side of the working tank 2, a copper pipe 54 is fixedly connected to the front side of the combustion chamber 53, the end of the copper pipe 54 penetrates through the water storage tank 3 and extends into the water storage tank 3, the copper pipe 54 transmits heat to the inside of the water storage tank 3 in a heat conduction mode and heats water inside, the bottom of the heat preservation tank 6 is provided with a round hole, the inner wall of the round hole is fixedly connected with a drain pipe 4, the inner wall of the drain pipe 4 is fixedly connected with a clamping mechanism which is used for controlling the opening and closing of the drain pipe 4, the right side of the heat preservation tank 6 is provided with a heat preservation shell 9 fixedly connected with the inner wall of the working tank 2, the inner wall of the heat preservation shell 9 is fixedly connected with an electric preheating assembly which is used for heating the heat preservation shell 9, the top of the heat preservation shell 9 is provided with a through hole 92, the upper surface of the heat preservation shell 9 is provided with a fixed block 7, the upper half part in the fixed block 7 is provided with a water inlet pipe 71, the back of the working tank 2 is fixedly connected with an air inlet pipe 91, the inner wall of the air inlet pipe 91 is fixedly connected with a filter screen 94, the filter screen 94 is used for filtering impurities in the air, and the switching mechanism is arranged in the main body tank 1, the switching mechanism is used for controlling the switching of the water inlet pipe 71. In northeast China, in cold winter, when the gas water heater is used, the temperature of air in the combustion chamber is low due to the external temperature, and ignition of natural gas in the combustion chamber is not facilitated, so that the gas water heater can improve the use efficiency of the gas water heater by heating the air in advance to reach a set temperature and then igniting the natural gas. When the gas water heater starts to work, the electric preheating assembly is powered on and heats the heat preservation shell 9 and the air inside the heat preservation shell 9, after the temperature inside the heat preservation shell 9 rises, the fan 51 operates to draw air from the outside, the air is filtered by the filter screen 94 arranged in the air inlet pipe 91 and then enters the combustion chamber 53 along the heat preservation pipe 61 and the exhaust pipe 52, equipment in the combustion chamber 53 converts air energy into heat energy, the heat energy is transmitted to the water storage tank 3 through the copper pipe 54 to heat water in the water storage tank 3, when the temperature inside the water storage tank 3 reaches a specified temperature, the set switch assembly works and opens the water inlet pipe 71, hot water inside the water storage tank 3 enters the heat preservation box 6 through the water inlet pipe 71, and the hot water entering the heat preservation box 6 is used for preserving the air inside the working tank 2, the mechanism tank 5 and the heat preservation shell 9; when the inside temperature of insulation can 6 reduces to the assigned temperature, the switch module closes, chucking mechanism function opens drain pipe 4 simultaneously, the inside water of insulation can 6 is discharged from drain pipe 4, because insulation can 6 plays the heat preservation effect to 2 insides of work box, so the heat preservation shell 9 still is in higher temperature, so when the electricity preheats the subassembly and works once more, the electricity preheats the subassembly and need shorten greatly the time of heat preservation shell 9 heating, the electric quantity loss has been reduced, thereby make this gas heater have the unchangeable effect of the heating efficiency of holding device when outdoor temperature is low.

Specifically, the left end of the water inlet pipe 71 penetrates through the fixing block 7 and extends into the heat insulation box 6, and the right end of the water inlet pipe 71 penetrates through the fixing block 7, the working tank 2, the main body tank 1 and the water storage tank 3 and extends into the water storage tank 3. When the inlet tube 71 is opened, water in the water storage tank 3 can be conveyed into the heat insulation box 6 through the inlet tube 71, and then the heat insulation box 6 is used for insulating the internal components of the working tank 2, so that the purpose of slowing down the internal temperature reduction is achieved.

Specifically, the left end of the heat preservation pipe 61 is fixedly connected with the fan 51, the main body of the heat preservation pipe 61 is installed in the heat preservation box 6, the right end of the heat preservation pipe 61 penetrates through the heat preservation shell 9 and extends to the inside of the heat preservation shell 9, and the main body of the heat preservation pipe 61 is installed inside the heat preservation box 6 so as to preserve heat of air inside the heat preservation pipe 61. When hot water is filled in the heat insulation box 6, the hot water in the heat insulation box 6 transfers heat to air in the heat insulation pipe 61 in a heat conduction mode, and the heat insulation and heating of the air inside are achieved.

Specifically, the electric preheating assembly comprises a plurality of rows of resistance wires 8, two ends of each resistance wire 8 are fixedly mounted on an electrifying disc 81, each electrifying disc 81 is circular, a plurality of connecting rods 82 are fixedly mounted on the outer side of each electrifying disc 81, and the ends of the connecting rods 82 are fixedly connected with the heat preservation shell 9. When ring shape circular telegram dish 81 and install the resistance wire 8 during operation on it, the ring shape structure of placing can be faster heat preservation shell 9 and inside air heaies up, and is heated more evenly through this kind of mode of placing heat preservation shell 9, and simultaneously in the electrical heating process, waste gas, residue and the smoke and dust of production are few, can keep heat preservation shell 9 and inside clean, and the non-staining environment.

Specifically, activated carbon is arranged inside the filter screen 94, the heat preservation shell 9 is made of aluminum silicate, and the activated carbon arranged inside the filter screen 94 can adsorb impurities in air and keep the inside of the working box 2 clean; the aluminum silicate that sets up possesses low thermal conductivity and good thermal stability, can reduce thermal loss, realizes better heat preservation effect.

Specifically, chucking mechanism includes fixture block 45,

fixture block

45 and 4 inner wall fixed connection of drain pipe, the round hole inner wall of insulation can 6 bottoms is seted up flutedly, the inner wall fixedly connected with electro-magnet 41 of recess, and the inner wall fixedly connected with spring 42 of recess, the inside sliding connection of spring 42 has slide bar 43, the right-hand member of slide bar 43 and the inner wall fixed connection of recess, and spring 42 left end fixedly connected with picture peg 44, picture peg 44 back and slide bar 43 sliding connection, the slot has been seted up at the back of fixture block 45, the inner wall fixedly connected with rubber pad 46 of slot, rubber pad 46 cooperatees with picture peg 44 and is used for guaranteeing chucking mechanism's leakproofness, slot and picture peg 44 looks adaptation. When the temperature of water in the heat preservation box 6 becomes low, the electromagnet 41 is powered on and adsorbs the inserting plate 44 to open the water discharging pipe 4, meanwhile, the spring 42 contracts along the sliding rod 43, the water discharging pipe 4 is opened to discharge cold water in the heat preservation box 6, after the water in the heat preservation box 6 is discharged, the electromagnet 41 is powered off, the spring 42 resets and pushes the inserting plate 44 to be inserted into the inserting groove to close the water discharging pipe 4, therefore, the water discharging pipe 4 is blocked and powered on, and the purpose of emptying the cooling water in the heat preservation box 6 is achieved.

Specifically, the switch mechanism comprises a first switch assembly 55, a second switch assembly 73, a third switch assembly 93 and a fourth switch assembly 72, wherein the first switch assembly 55 is fixedly installed at the upper right side in a shell of the mechanism box 5, the first switch assembly 55 comprises a first piston cylinder 551, a first piston 552 is hermetically installed in the first piston cylinder 551, a first baffle 553 is fixedly connected to the bottom of the first piston 552, a first placing groove 554 is formed in the top of the first piston 552, a first heat conducting layer 555 is arranged at the top of the first placing groove 554, and the first heat conducting layer 555 extends into a placing hole of the shell at the left side of the water storage box 3; when the water temperature in the water storage tank 3 rises to a specified temperature, the first heat conducting layer 555 transfers heat to the first placing groove 554 in a heat conduction mode, the memory alloy expands and pushes the first piston 552 to move downwards, the first piston 552 drives the first baffle 553 to move downwards, the first baffle 553 moves downwards to close the heat preservation pipe 61, when the water temperature in the water storage tank 3 drops to the specified temperature, the temperature of the first heat conducting layer 555 decreases, the volume of the memory alloy in the first placing groove 554 decreases, negative pressure is generated at the top and the bottom of the first piston 552 and drives the first piston 552 to move upwards, the first piston 552 drives the first baffle 553 to move upwards, the first baffle 553 moves upwards to open the heat preservation pipe 61, and accordingly the heat preservation pipe 61 is blocked and communicated, and the purpose of sealing an air outlet at the left end of the heat preservation shell 9 is achieved;

the second switch component 73 is fixedly arranged at the bottom of the fixed block 7, the second switch component 73 comprises a second piston cylinder 731, a second piston 732 is hermetically arranged in the second piston cylinder 731, the left end of the second piston 732 is fixedly connected with a second baffle 733, the left end of the second baffle 733 is fixedly provided with a second reset spring 734, the left end of the second reset spring 734 is fixedly connected with the inner wall of the fixed block 7, the right end of the second piston 732 is provided with a second placing groove 735, the right end of the second placing groove 735 is provided with a second heat conducting layer 736, the second heat conducting layer 736 extends into a placing hole of a left shell of the water storage tank 3, the second baffle 733 adopts a structure with a solid left side and a right side provided with a hole, and the hole arranged in the second baffle 733 is matched with the through hole 92; when the temperature of water in the water storage tank 3 rises to a specified temperature, the heat conducting layer II 736 transfers heat to the placing groove II 735 in a heat conduction mode, the memory alloy expands and pushes the piston II 732 to move leftwards, the piston II 732 drives the baffle II 733 to move leftwards, the baffle II 733 moves leftwards to open the through hole 92, and meanwhile, the return spring II 734 contracts; when the temperature of the water in the water storage tank 3 is reduced to a specified temperature, the temperature of the heat conducting layer II 736 is reduced, the volume of the memory alloy in the placing groove II 735 is reduced, negative pressure is generated at the left end and the right end of the piston II 552, the piston II 732 moves rightwards under the action of the pressure and the return spring II 734, the piston II 732 drives the baffle II 733 to move rightwards, and the baffle II 733 moves rightwards to close the through hole 92, so that the purpose of blocking and connecting the through hole is achieved;

the third switch component 93 is fixedly arranged in a shell on the right side of the working box 2 and positioned at the top of the air inlet pipe 91, the third switch component 93 comprises a third piston cylinder 931, a third piston 932 is arranged in the third piston cylinder 931 in a sealing mode, the bottom of the third piston 932 is fixedly connected with a third baffle 933, a third placing groove 934 is formed in the top of the third piston 932, a third heat conducting layer 935 is arranged at the top of the third placing groove 934, the third heat conducting layer 935 extends into a placing hole of a shell on the left side of the water storage box 3, and the third switch component 93 is identical to the first switch component 55 in structure; when the temperature of water in the water storage tank 3 rises to a specified temperature, the heat conducting layer No. three 935 transfers heat to the placing groove No. three 934 in a heat conducting mode, the memory alloy expands and pushes the piston No. three 932 to move downwards, the piston No. three 932 drives the baffle No. three 933 to move downwards, and the baffle No. three 933 moves downwards to close the air inlet pipe; when the temperature of water in the water storage tank 3 is reduced to a specified temperature, the temperature of the heat conducting layer III 935 is reduced, the volume of the memory alloy in the placing groove III 934 is reduced, negative pressure is generated at the top and the bottom of the piston III 932 and drives the piston III 932 to move upwards, the piston III 932 drives the baffle III 933 to move upwards, the baffle III 933 moves upwards to open the air inlet pipe 91, and accordingly the air inlet pipe is blocked and communicated, and the purpose of sealing the air inlet at the right end of the heat preservation shell 9 is achieved;

the switch assembly No. four 72 is fixedly arranged at the top of the through hole 92 and is positioned below the water inlet pipe 71, the switch assembly No. four 72 comprises a piston cylinder No. four 721, the piston cylinder No. four 721 is matched with the through hole 92, a piston No. four 722 is hermetically arranged in the piston cylinder No. four 721, the top of the piston No. four 722 is fixedly connected with a baffle No. four 723, the top of the baffle No. four 723 is fixedly provided with a return spring No. four 724, the top of the return spring No. four 724 is fixedly connected with the inner wall of the fixed block 7, the baffle No. four 723 adopts a structure that the upper half part is solid and the lower half part is provided with a hole, and the hole arranged in the baffle No. four 723 is matched with the water inlet pipe 71; when the temperature of the water in the water storage tank 3 rises to a specified temperature, the through hole 92 is opened by the second switch component 73, the heat insulation pipe 61 and the air inlet pipe 91 are respectively closed by the first switch component 55 and the third switch component 93, at the moment, the cavity in the heat insulation shell 9 is in a sealed state, the air in the heat insulation shell 9 is gradually heated and expanded under the action of the waste heat of the electric preheating component, the air gradually heated and expanded in the heat insulation shell 9 pushes the fourth piston 722 to move upwards, the fourth piston 722 drives the fourth baffle 723 to move upwards, the fourth return spring 724 contracts, the fourth baffle 723 moves upwards to open the water inlet pipe 71, hot water in the water storage tank 3 enters the heat insulation box 6 through the water inlet pipe 71, the volume of the air in the heat insulation shell 9 is gradually reduced to generate negative pressure along with the gradual dissipation of the air temperature in the heat insulation shell 9, and the fourth baffle 723 moves downwards to close the water inlet pipe 71 under the action of the pressure and the fourth return spring 724, the water inlet pipe is blocked and communicated, so that the purpose that the water inlet pipe can be controlled to convey hot water to the interior of the heat insulation box only through water temperature change under the condition that no power-on equipment is adopted is achieved, and the electric quantity loss is reduced.

The working principle is as follows: when the gas water heater starts to work, the electric preheating assembly is electrified and heats the heat preservation shell 9 and the air inside the heat preservation shell 9, after the temperature inside the heat preservation shell 9 rises, the fan 51 operates to draw air from the outside, the air is filtered by the filter screen 94 arranged in the air inlet pipe 91 and then enters the combustion chamber 53 along the heat preservation pipe 61 and the exhaust pipe 52, equipment in the combustion chamber 53 converts the air energy into heat energy, the heat energy is transmitted to the water storage tank 3 through the copper pipe 54 to heat the water in the water storage tank 3, when the temperature inside the water storage tank 3 reaches the designated temperature, the electric preheating assembly, the fan 51 and the combustion chamber 53 stop operating, the first switch assembly 55 closes the heat preservation pipe 61, the second switch assembly 73 opens the through hole 92, the third switch assembly 93 closes the air inlet pipe 61, at the moment, the inside of the heat preservation shell 9 is in a sealed state, and under the action of the air pressure gradually rising and expanding inside the heat preservation shell 9, the fourth opening and closing component 72 opens the water inlet pipe 71, hot water in the water storage tank 3 enters the heat insulation box 6 through the water inlet pipe 71, then air in the working tank 2, the mechanism box 5 and the heat insulation shell 9 are subjected to heat insulation, along with gradual dissipation of the air temperature in the heat insulation shell 9, the volume of air in the heat insulation shell 9 is gradually reduced, and the fourth opening and closing component closes the water inlet pipe 71; when the temperature of the water in the heat preservation box 6 is reduced to the designated temperature, the clamping mechanism operates, the drain pipe 4 is opened, the water in the heat preservation box 6 is discharged from the drain pipe 4, meanwhile, the heat preservation pipe 61 is opened by the first switch component 55, the through hole 92 is closed by the second switch component 73, the air inlet pipe is opened by the third switch component 93, the heat preservation box 6 plays a heat preservation role in the work box 2, so the heat preservation shell 9 is still at a higher temperature, when the electric preheating component works again, the time for heating the heat preservation shell 9 by the electric preheating component is greatly shortened, the electric quantity loss is reduced, and therefore the gas water heater has the effect of keeping the heating efficiency of equipment unchanged when the outdoor temperature is low.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gas water heater, includes main part case (1), its characterized in that: the heat-conducting water tank is characterized in that a water storage tank (3) is fixedly connected to the right side of the main tank (1), three placing holes are formed in a shell on the left side of the water storage tank (3), heat-conducting layers are arranged in the three placing holes, a working tank (2) is fixedly connected to the inner bottom wall of the main tank (1), a mechanism tank (5) is fixedly connected to the inner wall of the working tank (2), a fan (51) is fixedly connected to the inner wall of the mechanism tank (5), an exhaust pipe (52) is fixedly connected to the air outlet end of the fan (51), a combustion chamber (53) is fixedly connected to the bottom end of the exhaust pipe (52), a copper pipe (54) is fixedly connected to the front side of the combustion chamber (53), the end of the copper pipe (54) penetrates through the water storage tank (3) and extends into the water storage tank (3), a heat-insulating pipe (61) is fixedly connected to the air inlet end of the fan (51), and an insulation box (6) is arranged on the right side of the working tank (2), the round hole has been seted up to insulation can (6) bottom, the inner wall fixedly connected with drain pipe (4) of round hole, the inner wall fixedly connected with chucking mechanism of drain pipe (4), just insulation can (6) right side be provided with inner wall fixed connection's of work box (2) heat preservation shell (9), the subassembly is preheated to the inner wall fixedly connected with electricity of heat preservation shell (9), through-hole (92) have been seted up at heat preservation shell (9) top, just heat preservation shell (9) upper surface is provided with fixed block (7), the first portion is provided with inlet tube (71) in fixed block (7), just back fixedly connected with air-supply line (91) of work box (2), the inner wall fixedly connected with filter screen (94) of air-supply line (91), just be provided with on-off mechanism in main part case (1).

2. A gas water heater as defined in claim 1, wherein: the left end of the water inlet pipe (71) penetrates through the fixing block (7) and extends into the heat insulation box (6), and the right end of the water inlet pipe (71) penetrates through the fixing block (7), the working box (2), the main body box (1) and the water storage box (3) and extends into the water storage box (3).

3. A gas water heater as defined in claim 1, wherein: the left end of the heat preservation pipe (61) is fixedly connected with the fan (51), the main body of the heat preservation pipe (61) is installed in the heat preservation box (6), and the right end of the heat preservation pipe (61) penetrates through the heat preservation shell (9) and extends into the heat preservation shell (9).

4. A gas water heater as defined in claim 1, wherein: the electric preheating assembly comprises a plurality of rows of resistance wires (8), two ends of the resistance wires (8) are fixedly mounted on an electrifying disc (81), the electrifying disc (81) is circular, a plurality of connecting rods (82) are fixedly mounted on the outer side of the electrifying disc (81), and the ends of the connecting rods (82) are fixedly connected with the heat preservation shell (9).

5. A gas water heater as defined in claim, wherein: the inside of filter screen (94) is provided with active carbon, the material of heat preservation shell (9) is aluminium silicate.

6. A gas water heater as defined in claim 1, wherein: chucking mechanism includes fixture block (45), fixture block (45) and drain pipe (4) inner wall fixed connection, the inner wall of round hole is seted up flutedly, the inner wall fixedly connected with electro-magnet (41) of recess, just the inner wall fixedly connected with spring (42) of recess, sliding connection has slide bar (43) in spring (42), the end of slide bar (43) and the inner wall fixed connection of recess, just spring (42) end fixedly connected with picture peg (44), picture peg (44) back and slide bar (43) sliding connection, the slot has been seted up at the back of fixture block (45), the inner wall fixedly connected with rubber pad (46) of slot, slot and picture peg (44) looks adaptation.

7. A gas water heater as defined in claim 1, wherein: the switch mechanism comprises a first switch assembly (55), a second switch assembly (73), a third switch assembly (93) and a fourth switch assembly (72), wherein the first switch assembly (55) is fixedly installed at the upper right side in a shell of the mechanism box (5), the first switch assembly (55) comprises a first piston cylinder (551), the first piston cylinder (551) is internally and hermetically installed with a first piston (552), the bottom of the first piston (552) is fixedly connected with a first baffle (553), the top of the first piston (552) is provided with a first placing groove (554), the top of the first placing groove (554) is provided with a first heat conducting layer (555), and the first heat conducting layer (555) extends into a placing hole of a left shell of the water storage box (3);

the second switch component (73) is fixedly arranged at the bottom of the fixed block (7), the second switch component (73) comprises a second piston cylinder (731), a piston II (732) is hermetically arranged in the piston cylinder II (731), the bottom of the piston II (732) is fixedly connected with a baffle II (733), a second reset spring (734) is fixedly arranged at the left end of the second baffle (733), the left end of the second return spring (734) is fixedly connected with the inner wall of the fixed block (7), a second placing groove (735) is arranged at the right end of the second piston (732), a second heat conducting layer (736) is arranged at the right end of the second placing groove (735), the second heat conducting layer (736) extends into a shell placing hole on the left side of the water storage tank (3), the baffle II (733) adopts a structure with a solid left side and a hole on the right side, and a hole arranged in the baffle II (733) is matched with the through hole (92);

the third switch assembly (93) is fixedly installed in a shell on the right side of the working box (2) and located at the top of the air inlet pipe (91), the third switch assembly (93) comprises a piston cylinder (931), a piston (932) is installed in the piston cylinder (931) in a sealing mode, a baffle (933) is fixedly connected to the bottom of the piston (932) in a third mode, a placing groove (934) is formed in the top of the piston (932), a heat conducting layer (935) is arranged on the top of the placing groove (934), the heat conducting layer (935) extends into a placing hole in the shell on the left side of the water storage box (3), and the third switch assembly (93) is identical to the first switch assembly (55) in structure;

switch module No. four (72) fixed mounting just is located inlet tube (71) below at through-hole (92) top, inlet tube (71) switch module includes piston cylinder No. four (721), piston cylinder No. four (721) cooperate with through-hole (92), just sealed installation has piston No. four (722) in the piston cylinder No. four (721), piston No. four (722) top fixedly connected with baffle No. four (723), baffle No. four (723) top fixed mounting has reset spring No. four (724), reset spring No. four (724) top and fixed block (7) inner wall fixed connection, just baffle No. four (723) adopt the structure of the solid lower half trompil in upper half, the hole in baffle No. four (723) cooperatees with inlet tube (71).