CN210135690U

CN210135690U - Gas water heater who possesses function of preventing frostbite

Info

Publication number: CN210135690U
Application number: CN201921040806.8U
Authority: CN
Inventors: 王超; 张雁; 殷涛; 王峰
Original assignee: Shandong Duole New Energy Technology Co Ltd
Current assignee: Shandong Duole New Energy Technology Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-10
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a gas heater who possesses function of preventing frostbite relates to a water heater, which comprises a housin, casing right side below fixedly connected with gas pipe, gas pipe run through the casing and are connected with the combustor, combustor top fixedly connected with sensible heat exchanger, the inside upper left side fixedly connected with condensation heat exchanger of casing, casing left side below fixedly connected with inlet tube, the inlet tube is the S type and runs through the casing and lie in the casing outside after running through condensation heat exchanger and sensible heat exchanger, the inside upper right side fixedly connected with fan side of casing. The utility model discloses simple structure, convenient to use can effectively avoid the inside water pipe of gas heater to freeze when using to avoid the condition of water pipe fracture, improved the suitability under the cold environment, the device can not produce through the electrothermal tube and freeze in guaranteeing the device water, and the device can also collect water through the header tank in addition, avoids causing the extravagant condition of water, uses and experiences well, structural design is reasonable.

Description

Gas water heater who possesses function of preventing frostbite

Technical Field

The utility model relates to a water heater specifically is a gas heater who possesses function of preventing frostbite.

Background

The gas water heater is also called as a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water.

The gas water heater mainly comprises a valve body assembly, a main burner, a small fire burner, a heat exchanger, a safety device and the like, and also comprises a flue of a flue type water heater and a forced-ventilated device of a forced-ventilated type water heater. The valve body assembly controls the working procedure of the whole water heater and comprises a water valve, an air valve, a microswitch, an igniter and the like. When the water heater is installed, valves are installed on the water inlet pipe, the water outlet pipe and the gas pipe.

The gas water heater can be frozen or caused by careless use in winter, so that economic loss is caused, and the influence on life caused by the failure of supplying hot water is large. Chinese patent (granted publication No. CN 207649140U) discloses an anti-freezing gas water heater, which can prevent the water heater from freezing, but directly discharge the water in the pipeline through an air pump, resulting in waste of water resources.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas heater who possesses function of preventing frostbite to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a gas water heater with an anti-freezing function comprises a shell, wherein a gas pipe is fixedly connected to the right lower side of the shell, the gas pipe penetrates through the shell and is connected with a burner, a sensible heat exchanger is fixedly connected to the upper right side of the burner, a condensing heat exchanger is fixedly connected to the upper left side of the interior of the shell, a water inlet pipe is fixedly connected to the left lower side of the shell, the water inlet pipe penetrates through the shell and is positioned on the outer side of the shell after penetrating through the condensing heat exchanger and the sensible heat exchanger in an S shape, a fan is fixedly connected to the upper right side of the interior of the shell, an air inlet of the fan is positioned above the sensible heat exchanger, an air outlet of the fan faces the condensing heat exchanger, a temperature sensor is fixedly connected to the inner side of the shell, a liquid collecting funnel is, the utility model discloses a solar water heater, including inlet tube end-to-end connection, return pipe, bottom fixedly connected with header tank in the casing, return pipe and header tank are linked together, header tank upper left side fixedly connected with overflow pipe, overflow pipe and fluid-discharge tube below intercommunication, header tank below fixedly connected with blow-down pipe, the manual valve of blow-down pipe middle part fixedly connected with, the electrothermal tube passes through temperature switch and power electric connection with the solenoid valve, temperature switch and temperature sensor wireless connection.

As a further aspect of the present invention: the top of the shell is fixedly connected with a smoke exhaust pipe, and the smoke exhaust pipe is positioned above the condensing heat exchanger.

As a further aspect of the present invention: the manual valve handle penetrates through the shell and is positioned outside the shell.

As a further aspect of the present invention: the electromagnetic valve is a two-way valve.

As a further aspect of the present invention: the water collection tank is made of engineering plastics.

As a further aspect of the present invention: the diameter of the overflow pipe is consistent with that of the water return pipe.

As a further aspect of the present invention: the diameter of the emptying pipe is consistent with that of the water return pipe.

As a further aspect of the present invention: the outer side of the shell is electrically connected with a functional panel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, convenient to use can effectively avoid the inside water pipe of gas heater to freeze when using to avoid the condition of water pipe fracture, improved the suitability under the cold environment, the device can not produce through the electrothermal tube and freeze in guaranteeing the device water-logging, and the device can also collect water through the header tank in addition, avoids causing the extravagant condition of water, uses and experiences well, and structural design is reasonable, is worth promoting.

Drawings

FIG. 1 is a schematic structural diagram of a gas water heater with an anti-freezing function;

FIG. 2 is a schematic cross-sectional view of a gas water heater with anti-freezing function;

FIG. 3 is a schematic view of a connection structure of a water collection tank and a pipeline in a gas water heater with an anti-freezing function;

in the figure: 1-shell, 2-gas pipe, 3-burner, 4-sensible heat exchanger, 5-condensation heat exchanger, 6-water inlet pipe, 7-blower, 8-temperature sensor, 9-liquid collecting funnel, 10-liquid discharging pipe, 11-neutralizer, 12-electric heating pipe, 13-water returning pipe, 14-electromagnetic valve, 15-water collecting tank, 16-overflow pipe, 17-blow-down pipe, 18-manual valve, 19-smoke discharging pipe and 20-functional panel.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

The first embodiment is as follows: referring to fig. 1-3, a gas water heater with an anti-freezing function comprises a shell 1, wherein a gas pipe 2 is fixedly connected to the lower right side of the shell 1, the gas pipe 2 penetrates through the shell 1 and is connected with a burner 3, a sensible heat exchanger 4 is fixedly connected to the upper side of the burner 3, a condensing heat exchanger 5 is fixedly connected to the upper left side of the interior of the shell 1, a water inlet pipe 6 is fixedly connected to the lower left side of the shell 1, the water inlet pipe 6 penetrates through the shell 1 after penetrating through the condensing heat exchanger 5 and the sensible heat exchanger 4 in an S-shaped manner and is positioned on the outer side of the shell 1, a fan 7 is fixedly connected to the upper right side of the interior of the shell 1, an;

when the device is used at normal temperature, cold water enters through the water inlet pipe 6, then is heated by the condensing heat exchanger 5 and the sensible heat exchanger 4 and then is discharged, high-temperature flue gas is discharged after the combustion of the fuel gas by the combustor 3, the flue gas heats the sensible heat exchanger 4 and then is discharged to the condensing heat exchanger 5 under the action of the fan 7, and then is discharged, and the cold water becomes hot water after being heated twice, wherein the technical means is the prior art;

the inner side of the shell 1 is fixedly connected with a temperature sensor 8, a liquid collecting funnel 9 is fixedly connected below the condensing heat exchanger 5, a liquid discharge pipe 10 is fixedly connected below the liquid collecting funnel 9, the middle part of the liquid discharge pipe 10 is fixedly connected with a neutralizer 11, the outer side of the front end of the water inlet pipe 6 is fixedly connected with an electric heating pipe 12, the tail end of the water inlet pipe 6 is connected with a water return pipe 13, the middle part of the water return pipe 13 is fixedly connected with an electromagnetic valve 14, the bottom in the shell 1 is fixedly connected with a water collecting tank 15, the water return pipe 13 is communicated with the water collecting tank 15, an overflow pipe 16 is fixedly connected to the left upper part of the water collecting tank 15, the overflow pipe 16 is communicated with the lower part of the liquid discharge pipe 10, an emptying pipe 17 is fixedly connected below the water collecting tank 15, a manual valve 18 is fixedly connected in the middle of the emptying pipe 17, the electric heating tube 12 and the electromagnetic valve 14 are electrically connected with a power supply through a temperature switch, and the temperature switch is wirelessly connected with the temperature sensor 8;

when the temperature is cold, the temperature sensor 8 detects that the temperature is low, then the temperature switch is turned on, the electric heating tube 12 and the electromagnetic valve 14 are turned on after the temperature switch is turned on, water flows through the water return pipe 13 to enter the water collecting tank 15, water is heated in the process, freezing is avoided, the electric heating tube 12 and the electromagnetic valve 14 are turned off when the temperature sensor 8 detects that the temperature rises after water is heated, water is prevented from freezing, the collected water can be discharged through the overflow pipe 16 after the water in the water collecting tank 15 is full, in addition, collected water can be discharged through the manual valve 18 manually, recycling is carried out, and waste is avoided.

The top of the shell 1 is fixedly connected with a smoke exhaust pipe 19, and the smoke exhaust pipe 19 is positioned above the condensing heat exchanger 5.

The manual valve 18 is located outside the housing 1 by extending the handle through the housing 1.

The electromagnetic valve 14 is a two-way valve.

The water collection tank 15 is made of engineering plastics.

The diameter of the overflow pipe 16 is consistent with that of the return pipe 13.

The diameter of the emptying pipe 17 is consistent with that of the water return pipe 13.

The outer side of the housing 1 is electrically connected with a functional panel 20.

Example two: this embodiment is a further improvement of the previous embodiment: a heat insulation plate is arranged between the combustor 3 and the water collection tank 15, so that the water collection tank 15 is prevented from being damaged by heat of the combustor 3 in the normal use process of the device.

The utility model discloses a theory of operation is: when the water heater is used at normal temperature, cold water enters through the water inlet pipe 6, then is heated by the condensing heat exchanger 5 and the sensible heat exchanger 4 and then is discharged, fuel gas is combusted by the combustor 3 and then is discharged into high-temperature flue gas, the flue gas heats the sensible heat exchanger 4 and then is discharged into the condensing heat exchanger 5 under the action of the fan 7, and then is discharged, the cold water is heated twice to form hot water, the technical means is the prior art, when the temperature sensor 8 detects that the temperature is low, the temperature switch is turned on, the electric heating pipe 12 and the electromagnetic valve 14 are turned on after the temperature switch is turned on, so that water flows through the water return pipe 13 and enters the water collection tank 15, water is heated in the process, freezing is avoided, when the temperature sensor 8 detects that the temperature rises after the water is heated, the electric heating pipe 12 and the electromagnetic valve 14 are turned off, thereby ensuring that the water cannot be frozen, and, in addition, collected water can be discharged manually through the manual valve 18 and reused, and waste is avoided.

It should be noted that the connection between the temperature sensor 8, the temperature switch, and the electromagnetic valve 14 is a circuit and a principle in the prior art, and is not described herein again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a gas heater who possesses function of preventing frostbite, includes casing (1), casing (1) right side below fixedly connected with gas pipe (2), gas pipe (2) run through casing (1) and are connected with combustor (3), combustor (3) top fixedly connected with sensible heat exchanger (4), casing (1) inside upper left side fixedly connected with condensation heat exchanger (5), casing (1) left side below fixedly connected with inlet tube (6), inlet tube (6) are the S type and run through casing (1) and lie in the casing (1) outside after passing through condensation heat exchanger (5) and sensible heat exchanger (4), casing (1) inside upper right side fixedly connected with fan (7), fan (7) air intake is located sensible heat exchanger (4) top, fan (7) air outlet towards condensation heat exchanger (5), its characterized in that, casing (1) inboard fixedly connected with temperature sensor (8), a liquid collecting funnel (9) is fixedly connected below the condensing heat exchanger (5), a liquid discharging pipe (10) is fixedly connected below the liquid collecting funnel (9), a neutralizer (11) is fixedly connected in the middle of the liquid discharging pipe (10), an electric heating pipe (12) is fixedly connected on the outer side of the front end of the water inlet pipe (6), a water return pipe (13) is connected at the tail end of the water inlet pipe (6), an electromagnetic valve (14) is fixedly connected in the middle of the water return pipe (13), a water collecting tank (15) is fixedly connected at the bottom in the shell (1), the water return pipe (13) is communicated with the water collecting tank (15), an overflow pipe (16) is fixedly connected above the left of the water collecting tank (15), the overflow pipe (16) is communicated with the lower portion of the liquid discharging pipe (10), an emptying pipe (17) is fixedly connected below the water collecting tank (15), a manual valve (18) is fixedly connected in the middle of the emptying pipe (17), the temperature switch is wirelessly connected with the temperature sensor (8).

2. The gas water heater with the anti-freezing function according to claim 1, wherein a smoke exhaust pipe (19) is fixedly connected to the top of the shell (1), and the smoke exhaust pipe (19) is located above the condensing heat exchanger (5).

3. The gas water heater with antifreezing function as defined in claim 1, wherein the handle of the manual valve (18) is positioned outside the housing (1) through the housing (1).

4. The gas water heater with the anti-freezing function as claimed in any one of claims 1 to 3, wherein the electromagnetic valve (14) is a two-way valve.

5. The gas water heater with the anti-freezing function of claim 4, wherein the water collecting tank (15) is made of engineering plastics.

6. The gas water heater with the anti-freezing function according to claim 1, wherein the overflow pipe (16) and the return pipe (13) have the same pipe diameter.

7. The gas water heater with the antifreezing function as claimed in claim 1, wherein the diameter of the emptying pipe (17) is consistent with that of the return pipe (13).

8. The gas water heater with the anti-freezing function according to claim 1, wherein a function panel (20) is electrically connected to the outside of the housing (1).