Heat exchange device of compact gas water heater

Abstract

The utility model provides a compact heat exchange device of a gas water heater, which belongs to the technical field of heat energy conversion, mainly aims at solving the problem that the traditional compact heat exchange device is inconvenient to clean, and adopts the following technical scheme that the compact heat exchange device comprises a heat exchanger body arranged in a combustion chamber, a plurality of groups of through grooves and a plurality of groups of smoke exhaust holes are formed in the top of the heat exchanger body, a pipeline cleaning assembly is arranged on the heat exchanger body, the pipeline cleaning assembly comprises a heat exchange pipe, and the heat exchange pipe penetrates through the plurality of groups of through grooves and is longitudinally arranged in the heat exchanger body in a penetrating manner; a water valve assembly is arranged on the pipeline cleaning assembly and comprises a cleaning pump, and the heat exchange pipe is connected with the cleaning pump through the pipeline cleaning assembly; through the arrangement of the pipeline cleaning assembly and the water valve assembly, a cleaning agent can be pressed into the pipeline from the cleaning pump, then the water valve assembly is started to wash the cleaning agent, and the problem that a traditional heat exchange device is inconvenient to clean is solved through the cleaning mode that pipeline disassembly and assembly are not needed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas water heater technical field, more specifically, especially relate to a heat exchange device of compact gas water heater. BACKGROUND

[0002] As a common hot water supply equipment, gas water heater is favored by consumers because of its convenient characteristics, and is widely used in families and various commercial places. As an important part of gas water heater, heat exchange device is responsible for transferring the heat generated by gas combustion to water flow, so as to realize the heating of cold water.

[0003] For example, the Chinese utility model patent with the patent number 202322307841.4 provides a compact combined support type special-shaped heat exchange device. The device can make the relative distribution of refrigerant fluid uniform through the left and right side-by-side vertical distribution of square tubes, and improve the heat exchange efficiency. However, the internal pipeline of the traditional compact heat exchange device will leave scale after long-term use, and the heat exchange device needs to be disassembled for cleaning, which causes inconvenience in cleaning. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a heat exchange device of compact gas water heater to solve the technical problem that the traditional exchange device will leave scale in the internal pipeline after long-term use, and the heat exchange device needs to be disassembled for cleaning, which causes inconvenience in cleaning.

[0005] The purpose and function of the heat exchange device of compact gas water heater are achieved by the following specific technical means:

[0006] A heat exchange device of compact gas water heater, comprising a heat exchanger body installed in a combustion chamber, a plurality of through slots and a plurality of smoke exhaust holes are provided on the top of the heat exchanger body, a pipeline cleaning assembly is provided on the heat exchanger body, the pipeline cleaning assembly comprises a heat exchange pipe, the heat exchange pipe passes through a plurality of through slots and is longitudinally arranged in the heat exchanger body, a water valve assembly is provided on the pipeline cleaning assembly, the water valve assembly comprises a cleaning pump, the heat exchange pipe is connected with the cleaning pump through the pipeline cleaning assembly, and an outer shell is arranged outside the combustion chamber.

[0007] According to a preferred embodiment, the pipeline cleaning assembly comprises a coil pipe, the coil pipe is arranged around the combustion chamber, the heat exchange pipe is connected with the coil pipe and the water outlet pipe at both ends respectively, and the coil pipe is connected with the water inlet pipe at one end.

[0008] According to a preferred embodiment, one end of the water outlet pipe is connected with a first water outlet and a second water outlet, a third electromagnetic valve is arranged on the first water outlet, a second electromagnetic valve is arranged on the second water outlet, and the third electromagnetic valve and the second electromagnetic valve are electrically connected with the controller.

[0009] According to a preferred embodiment, one end of the water inlet pipe is connected with a first water inlet and a second water inlet, a first electromagnetic valve is arranged on the first water inlet, one end of the second water inlet is connected with the cleaning pump, the first electromagnetic valve and the cleaning pump are electrically connected with the controller, and the controller is installed on the front face of the shell.

[0010] According to a preferred embodiment, a smoke exhaust assembly is arranged on the top of the combustion chamber, the smoke exhaust assembly comprises a base and a chimney, a square groove is formed on the top of the shell, the base passes through the square groove and is connected with the top of the combustion chamber, and the chimney is arranged on the top of the base.

[0011] According to a preferred embodiment, a monitoring and alarming assembly is arranged outside the combustion chamber, the monitoring and alarming assembly comprises a temperature alarm device and a carbon monoxide alarm device, the temperature alarm device is installed on a first mounting plate, and the carbon monoxide alarm device is installed on a second mounting plate.

[0012] According to a preferred embodiment, the first mounting plate and the second mounting plate are respectively installed in two groups of the insertion grooves.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. By arranging the pipeline cleaning assembly and the water valve assembly, convenient and efficient cleaning function is realized, when using the device, the opening and closing of the electromagnetic valve is controlled by the controller, so that the water inlet of the water pipeline and the water outlet of the water outlet pipeline are changed; when cleaning is needed, the cleaning agent can be pressed into the pipeline cleaning assembly from the cleaning pump, the cleaning of the heat exchange pipe and the inside of the heat exchanger body is completed, then the first electromagnetic valve is opened, and the cleaning agent is washed clean, this cleaning method without pipeline disassembly solves the problem of inconvenient cleaning of the traditional heat exchange device, reduces the cleaning difficulty, saves time and labor cost, and ensures that the heat exchange device always maintains good heat exchange performance.

[0015] 2. By monitoring the alarm components, when using the device, the operating state of the heat exchanger body can be monitored by the temperature alarm device and the carbon monoxide alarm device, when the temperature is too high, the temperature alarm device will sound an alarm; at the same time, the carbon monoxide alarm device can detect the gas leakage problem caused by long-term use and aging, and sound an alarm when leakage is found, so that the user can take prompt measures to avoid safety accidents and improve safety.

[0016] 3. By the arrangement of the heat exchange pipe and the plurality of through grooves, when using the device, the structure of the heat exchange pipe is changed from the traditional single to multiple folds, and the heat exchanger body is changed from a horizontal structure to a vertical structure, so that the heat exchange pipe can pass through the heat exchanger body multiple times in a relatively narrow space, fully utilizing the space and improving the heat exchange efficiency; at the same time, this compact structure reduces the space requirement of the device, making the device more compact and reducing the occupied space. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure diagram of the heat exchange device of the compact gas water heater.

[0018] Figure 2 It is an exploded view of the heat exchange device of the compact gas water heater.

[0019] Figure 3 It is a structure diagram of the heat exchange device of the compact gas water heater after the pipeline cleaning assembly and the heat exchanger body are assembled.

[0020] Figure 4 It is a structure diagram of the heat exchange device of the compact gas water heater after the shell and the base are assembled.

[0021] Figure 5 It is a structure diagram of the heat exchange device of the compact gas water heater. Figure 2 It is an enlarged schematic view of the a area.

[0022] In the figure, the correspondence between the component name and the drawing number is:

[0023] 1, through groove; 2, smoke exhaust hole; 4, shell; 5, controller; 7, temperature alarm device; 8, carbon monoxide alarm device; 9, slot; 11, combustion chamber; 12, heat exchanger body; 21, heat exchange pipe; 22, coil; 23, water outlet pipe; 24, water inlet pipe; 251, first water outlet; 252, second water outlet; 261, first water inlet; 262, second water inlet; 311, first electromagnetic valve; 312, second electromagnetic valve; 313, third electromagnetic valve; 32, cleaning pump; 33, first mounting plate; 34, second mounting plate; 411, base; 412, chimney. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0025] Embodiment:

[0026] As shown in the accompanying Figure 1 to the accompanying Figure 5 As shown:

[0027] The utility model provides a compact gas water heater heat exchange device, is provided with heat exchanger body 12 in combustion chamber 11, is provided with multiple groups of through slot 1 and multiple groups of smoke exhaust hole 2 on the top of heat exchanger body 12, and the smoke exhaust hole 2 can improve a part of heat exchange efficiency while being convenient for smoke exhaust, heat exchanger body 12 is provided with pipeline cleaning assembly, and the pipeline cleaning assembly includes heat exchange pipe 21, heat exchange pipe 21 passes through multiple groups of through slot 1, and is longitudinally arranged in heat exchanger body 12, because the structure of heat exchange pipe 21 changes from traditional single direction to multiple folding, heat exchanger body 12 also changes from horizontal structure to longitudinal structure, so that heat exchange pipe 21 can pass through heat exchanger body 12 multiple times in the relatively narrow space, increase the contact area of heat exchange pipe 21 and heat exchanger body 12, improve the heat exchange efficiency, and at the same time, make full use of space to make the structure more compact, reduce the occupied space, and heat exchanger body 12 is provided with water valve assembly.

[0028] Please refer to the accompanying Figure 2 and Figure 3 As shown, the pipeline cleaning assembly includes coil pipe 22, and the coil pipe 22 is arranged around the side of combustion chamber 11, which can save space and make the structure more compact; the two ends of heat exchange pipe 21 are connected with coil pipe 22 and water outlet pipe 23 respectively, and one end of coil pipe 22 is connected with water inlet pipe 24.

[0029] Please refer to the accompanying Figure 2 and Figure 3 As shown, one end of water outlet pipe 23 is connected with first water outlet 251 and second water outlet 252, the first water outlet 251 is connected with domestic water pipeline to provide domestic water for users, and the second water outlet 252 is used as waste liquid discharge port of cleaning liquid; the third electromagnetic valve 313 is arranged on the first water outlet 251, the second electromagnetic valve 312 is arranged on the second water outlet 252, the third electromagnetic valve 313 and the second electromagnetic valve 312 are electrically connected with controller 5, the opening and closing of the two electromagnetic valves are controlled by controller 5, when cleaning, the third electromagnetic valve 313 is closed by controller 5, so that the cleaning liquid is discharged from the second water outlet 252; after cleaning, the second electromagnetic valve 312 is closed by controller 5, and the third electromagnetic valve 313 is re-opened, so that the supply of domestic water is restored.

[0030] Among them, please refer to the accompanyingFigure 2 、 Figure 3 and Figure 4 As shown, one end of the water inlet pipe 24 is connected to a first water inlet 261 and a second water inlet 262. The first water inlet 261 is connected to the tap water pipeline to provide water for the entire system, and the second water inlet 262 serves as an inlet for the cleaning liquid, for injecting the cleaning liquid into the pipeline; a first solenoid valve 311 is installed on the first water inlet 261, and one end of the second water inlet 262 is connected to a cleaning pump 32. The first solenoid valve 311 and the cleaning pump 32 are both electrically connected to the controller 5. When cleaning is required, the controller 5 will close the third solenoid valve 313 and the first solenoid valve 311, and open the second solenoid valve 312 at the same time, pour the cleaning liquid into the cleaning pump 32 and start it, and then The cleaning pump 32 pumps the cleaning liquid into the pipeline to clean it. After the cleaning is completed, the waste liquid will be discharged from the second water outlet 252, and then the controller 5 will open the first solenoid valve 311 to allow tap water to enter the pipeline to flush out the residual detergent; finally, the controller 5 will close the second solenoid valve 312 and reopen the third solenoid valve 313 to restore the normal supply of domestic water; this intelligent cleaning control mechanism not only solves the problem of inconvenience in cleaning traditional heat exchange devices, reduces the difficulty of cleaning, saves time and labor costs, but also ensures that the heat exchange device always maintains good heat exchange performance; the controller 5 is installed on the front of the shell 4 for easy user operation.

[0031] Among them, see Figure 4 As shown, a smoke exhaust assembly is provided on the top of the combustion chamber 11, which can discharge the smoke in a centralized manner. The smoke exhaust assembly includes a base 411 and a chimney 412. The base 411 is provided on the top of the combustion chamber 11, and a square groove is provided on the top of the outer shell 4. The top of the base 411 passes through the square groove to improve stability; a chimney 412 is provided on the top of the base 411 for discharging smoke.

[0032] Among them, see Figure 2 and Figure 4 As shown, a monitoring and alarm component is provided on the outside of the combustion chamber 11, and the monitoring and alarm component includes a temperature alarm device 7 and a carbon monoxide alarm device 8. The temperature alarm device 7 is installed on the first mounting plate 33. When the temperature of the combustion chamber 11 is too high, the temperature alarm device 7 will sound an alarm to prompt that the current temperature of the combustion chamber 11 is too high; the carbon monoxide alarm device 8 is installed on the second mounting plate 34. The carbon monoxide alarm device 8 can detect the carbon monoxide concentration near the combustion chamber 11 to determine whether a gas leak occurs; when a gas leak occurs in the combustion chamber 11, the carbon monoxide alarm device 8 will sound an alarm to prompt that a gas leak has occurred, thereby avoiding the occurrence of safety accidents and improving safety.

[0033] See also Figure 4As shown, two groups of slots 9 are formed outside the combustion chamber 11, and the first mounting plate 33 and the second mounting plate 34 are respectively installed in the two groups of slots 9, so that the installation of the monitoring and alarming assembly is more convenient, and the space required for fixing can be saved, and the compactness of the device is increased.

[0034] The specific use and role of the embodiment are as follows: when the device is used, a plurality of through grooves 1 are formed in the heat exchanger body 12, so that the heat exchange pipes 21 pass through the plurality of through grooves 1 and are longitudinally arranged in the heat exchanger body 12, so that the heat exchange pipes 21 can pass through the heat exchanger body 12 multiple times in a relatively narrow space, so that the structure becomes compact, and the occupied space is reduced.

[0035] When the pipeline needs to be cleaned, the water valve assembly is controlled by the controller 5, the first electromagnetic valve 311 and the third electromagnetic valve 313 are closed, the second electromagnetic valve 312 is opened, then the cleaning liquid is poured into the cleaning pump 32 and started, the cleaning agent is injected into the pipeline through the cleaning pump 32 to clean the pipeline, and the waste liquid after cleaning is discharged through the second water outlet 252 and the second electromagnetic valve 312; after cleaning, the first electromagnetic valve 311 is opened, tap water is introduced into the pipeline to flush away the remaining cleaning agent, and the flushing is continued from the second water outlet 252 and the second electromagnetic valve 312, and the whole cleaning process is completed; after the cleaning is completed, the third electromagnetic valve 313 is opened, and the second electromagnetic valve 312 is closed, so that the normal use is restored, and the problem of difficult cleaning of the pipeline cleaning assembly of the traditional gas water heater heat exchange device is solved.

[0036] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A heat exchanging device for a compact gas water heater, comprising a heat exchanger body (12) installed in a combustion chamber (11), characterized in that: The heat exchanger body (12) top open sets up multiple groups of through slot (1) and multiple groups of smoke exhaust hole (2), the heat exchanger body (12) is provided with pipeline cleaning assembly, the pipeline cleaning assembly includes heat exchange pipe (21), the heat exchange pipe (21) passes through multiple groups of the through slot (1), longitudinally is arranged in the heat exchanger body (12);The pipeline cleaning assembly is provided with water valve assembly, the water valve assembly includes cleaning pump (32), the heat exchange pipe (21) is connected with the cleaning pump (32) by the pipeline cleaning assembly;The combustion chamber (11) outside is provided with shell (4).

2. A heat exchange device for a compact gas water heater as defined in claim 1, wherein: The pipeline cleaning assembly includes coil pipe (22), the combustion chamber (11) circumferential side is surrounded by the coil pipe (22), the heat exchange pipe (21) two ends are connected with the coil pipe (22) and outlet pipe (23) respectively, the coil pipe (22) one end is connected with inlet pipe (24).

3. A heat exchange device for a compact gas water heater as defined in claim 2, wherein: The outlet pipe (23) one end is connected with first water outlet (251) and second water outlet (252), the first water outlet (251) is provided with third electromagnetic valve (313), the second water outlet (252) is provided with second electromagnetic valve (312), the third electromagnetic valve (313) and the second electromagnetic valve (312) are electrically connected with controller (5).

4. A heat exchange device for a compact gas water heater as defined in claim 3, wherein: The inlet pipe (24) one end is connected with first water inlet (261) and second water inlet (262), the first water inlet (261) is provided with first electromagnetic valve (311), the second water inlet (262) one end is connected with the cleaning pump (32), the first electromagnetic valve (311) and the cleaning pump (32) are electrically connected with the controller (5), the controller (5) is installed on the front surface of the shell (4).

5. A heat exchanging device for a compact gas water heater as defined in claim 1, wherein: The combustion chamber (11) top is provided with smoke exhaust assembly, the smoke exhaust assembly includes base (411) and chimney (412), the shell (4) top is provided with square slot, the base (411) passes through the square slot and is connected with the combustion chamber (11) top, the base (411) top is provided with the chimney (412).

6. A heat exchanging device for a compact gas water heater as defined in claim 1, wherein: The combustion chamber (11) outside is provided with monitoring alarm assembly, the monitoring alarm assembly includes temperature alarm device (7) and carbon monoxide alarm device (8), the temperature alarm device (7) is installed on the first mounting plate (33), the carbon monoxide alarm device (8) is installed on the second mounting plate (34).

7. A heat exchange device for a compact gas water heater as defined in claim 6, wherein: The combustion chamber (11) outside is provided with two groups of insertion slot (9), the first mounting plate (33) and the second mounting plate (34) are installed in two groups of the insertion slot (9) respectively.

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