CN211503270U

CN211503270U - Gas water heater

Info

Publication number: CN211503270U
Application number: CN202020137899.2U
Authority: CN
Inventors: 艾穗江; 宋小辉; 邓海燕; 苏达勇; 朱雪媛
Original assignee: Guangdong Macro Gas Appliance Co Ltd
Current assignee: Guangdong Macro Gas Appliance Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-09-15
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a gas water heater, including inlet tube, intake pipe, combustor, heat exchanger, the combustor upside is located to the heat exchanger, is equipped with some firearm in the combustor, is equipped with first governing valve and flow sensor on the inlet tube, is equipped with second governing valve and solenoid valve in the intake pipe, solenoid valve and flow sensor electric connection, solenoid valve and some firearm electric connection. When the first regulating valve is opened and water flows through the water inlet pipe, the flow sensor detects the water flow, the electromagnetic valve is communicated with an air inlet channel in the air inlet pipe and the igniter is used for ignition, and the water heater works normally; if the water supply of the water inlet pipe is interrupted, the flow sensor cannot detect water flow, the electromagnetic valve cuts off the air inlet channel, the combustor stops burning, and the purpose of preventing dry burning is achieved; even water pressure is lower, flow sensor also can detect the rivers, the utility model discloses can low water pressure start.

Description

Gas water heater

Technical Field

The utility model relates to a continuous flow heater technical field, in particular to gas heater.

Background

The existing gas water heater generally uses a water-gas linkage valve to prevent the water heater from being dry-burned, and the gas water heater has the following defects: the method is limited by the internal structure of the water-gas linkage valve, and is difficult to develop a large-liter-number machine type, and the current mature liter numbers are 6 liters and 8 liters; secondly, the requirement of the water-gas valve linkage valve on the starting water pressure is high, and the water-gas valve linkage valve cannot adapt to low water pressure starting; and thirdly, the water-gas valve linkage valve is easy to damage due to frequent work of the microswitch.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a gas water heater, it can low water pressure start-up.

According to the utility model discloses gas water heater, including inlet tube, intake pipe, combustor, heat exchanger, the heat exchanger is located the combustor upside, be equipped with some firearm in the combustor, the intake pipe with the air inlet intercommunication of combustor, the inlet tube with the water inlet intercommunication of heat exchanger, be equipped with first governing valve and flow sensor on the inlet tube, first governing valve with flow sensor series connection, be equipped with second governing valve and solenoid valve in the intake pipe, the second governing valve with solenoid valve series connection, the solenoid valve with flow sensor electric connection, the solenoid valve with some firearm electric connection.

According to the utility model discloses gas heater has following technological effect at least: when the first regulating valve is opened and water flows through the water inlet pipe, the flow sensor detects the water flow, the electromagnetic valve is communicated with an air inlet channel in the air inlet pipe and the igniter is used for ignition, and the water heater works normally; if the water supply of the water inlet pipe is interrupted, the flow sensor cannot detect water flow, the electromagnetic valve cuts off the air inlet channel, the combustor stops burning, and the purpose of preventing dry burning is achieved; even water pressure is lower, flow sensor also can detect the rivers, the utility model discloses can low water pressure start.

According to some embodiments of the utility model, the heat exchanger upside is equipped with the enclosure, the exit of enclosure is equipped with smoke exhaust fan, the smoke exhaust fan side is equipped with the wind pressure switch, the wind pressure switch with solenoid valve electric connection.

According to some embodiments of the present invention, the gas water heater further comprises a housing, the burner, the heat exchanger, the smoke exhaust fan, the wind pressure switch, the second regulating valve, the electromagnetic valve and the flow sensor are all disposed in the housing, a main controller is further disposed in the housing, and the electromagnetic valve, the igniter, the flow sensor, the smoke exhaust fan and the wind pressure switch are respectively electrically connected to the main controller; the combustor the heat exchanger with the enclosure is all located the shell left side, main control unit smoke exhaust fan the wind pressure switch the solenoid valve the second governing valve with flow sensor all locates the shell right side.

According to some embodiments of the present invention, the main controller is disposed at the upper right of the heat exchanger, and the smoke exhaust fan and the wind pressure switch are both disposed above the main controller; the electromagnetic valve, the second regulating valve and the flow sensor are all arranged at the bottom of the shell.

According to some embodiments of the utility model, the air inlet of heat exchanger with be equipped with the series connection between the second governing valve and have the segmentation valve.

According to some embodiments of the invention, the segment valve has a first knob provided at a bottom surface of the housing; the second regulating valve is provided with a second knob, and the second knob is arranged on the front side face of the shell.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

fig. 2 is a schematic cross-sectional view of fig. 1.

Reference numerals:

the air inlet pipe comprises a shell 100, an air inlet pipe 210, a solenoid valve 220, a second regulating valve 230, a second knob 231, a section valve 240, a first knob 241, an water inlet pipe 310, a first regulating valve 320, a flow sensor 330, a burner 410, a heat exchanger 420, a smoke exhaust cover 430, a smoke exhaust fan 510, a wind pressure switch 520 and a main controller 530.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "a" or "an" mean one or more, the terms "a" or "an" mean two or more, the terms larger than, smaller than, exceeding, and the like are understood to include the number, and the terms "larger than, smaller than, within, and the like are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A gas water heater according to an embodiment of the present invention is described below with reference to fig. 1 and 2.

According to the utility model discloses gas water heater, including inlet tube 310, intake pipe 210, combustor 410, heat exchanger 420, combustor 410 upside is located to heat exchanger 420, be equipped with some firearm in the combustor 410, intake pipe 210 communicates with combustor 410's air inlet, inlet tube 310 communicates with heat exchanger 420's water inlet, be equipped with first governing valve 320 and flow sensor 330 on the inlet tube 310, first governing valve 320 and flow sensor 330 series connection, be equipped with second governing valve 230 and solenoid valve 220 on the intake pipe 210, second governing valve 230 and solenoid valve 220 series connection, solenoid valve 220 and flow sensor 330 electric connection, solenoid valve 220 and some firearm electric connection.

For example, as shown in fig. 1 and fig. 2, the gas water heater further includes a housing 100, the burner 410 is located at the lower left corner of the housing 100, the heat exchanger 420 is located above the burner 410, the second regulating valve 230, the flow sensor 330 and the electromagnetic valve 220 are located at the lower right corner of the housing 100, the water inlet pipe 310 penetrates through the bottom surface of the housing 100 from outside to inside and then is communicated with the flow sensor 330, and the air inlet pipe 210 penetrates through the bottom surface of the housing 100 from outside to inside and then is communicated with the second regulating valve 230; according to the use habit of the user, the first regulating valve 320 can be arranged on the inner side of the casing 100 or on the outer side of the casing 100; the flow sensor 330 may be provided in the first regulating valve 320, that is, a component for detecting a flow is provided in the first regulating valve 320, which facilitates installation.

When the first regulating valve 320 is opened and water flows through the water inlet pipe 310, the flow sensor 330 detects the water flow, the electromagnetic valve 220 is communicated with an air inlet channel in the air inlet pipe 210 and an igniter is ignited, and the water heater works normally; if the water supply of the water inlet pipe 310 is interrupted, the flow sensor 330 cannot detect the water flow, the electromagnetic valve 220 disconnects the air inlet channel, and the burner 410 stops burning, so that the aim of preventing dry burning is fulfilled; the water flow and the gas flow are respectively controlled by the first regulating valve 320 and the second regulating valve 230, the water path and the gas path are independently controlled, the applicable water pressure range is large, and the water-gas-flow-regulating valve can adapt to 6-12-liter machine types; can normally work under different water pressures, just it is lower to count water pressure, and flow sensor 330 also can detect rivers, the utility model discloses can low water pressure start.

The utility model discloses an in some embodiments, heat exchanger 420 upside is equipped with enclosure 430, and the exit of enclosure 430 is equipped with smoke exhaust fan 510, and smoke exhaust fan 510 side is equipped with wind pressure switch 520, wind pressure switch 520 and solenoid valve 220 electric connection. By arranging the smoke exhaust fan 510, smoke generated by combustion can be exhausted in time; through setting up wind pressure switch 520, guarantee that equipment can in time close the gas passageway under the unsmooth condition of airing exhaust to thereby guarantee that the gas does not leak and protect personal safety, the sample connection mountable of wind pressure switch 520 is in the negative pressure zone of the spiral case of smoke exhaust fan 510.

In some embodiments of the present invention, the gas water heater further includes a housing 100, the burner 410, the heat exchanger 420, the smoke exhaust fan 510, the wind pressure switch 520, the second regulating valve 230, the electromagnetic valve 220 and the flow sensor 330 are all disposed in the housing 100, a main controller 530 is further disposed in the housing 100, and the electromagnetic valve 220, the igniter, the flow sensor 330, the smoke exhaust fan 510 and the wind pressure switch 520 are respectively electrically connected to the main controller 530; the burner 410, the heat exchanger 420 and the smoke exhaust cover 430 are all arranged on the left side of the casing 100, and the main controller 530, the smoke exhaust fan 510, the wind pressure switch 520, the solenoid valve 220, the second regulating valve 230 and the flow sensor 330 are all arranged on the right side of the casing 100. Because the combustion flame extends upwards and the smoke also rises upwards, the heat exchanger 420 of the gas water heater is generally arranged on the upper side of the burner 410, the smoke exhaust cover 430 is generally arranged on the upper side of the heat exchanger 420, the overall height of the burner 410, the heat exchanger 420 and the smoke exhaust cover 430 is difficult to reduce by adjusting the positions, and the main limitation of reducing the height size of the gas water heater is realized; the main controller 530, the smoke exhaust fan 510, the wind pressure switch 520, the electromagnetic valve 220, the second regulating valve 230 and the flow sensor 330 are arranged at the position below the burner 410 or outside the upper part of the smoke exhaust cover 430, the height of the gas water heater can not be increased by the main controller 530, the smoke exhaust fan 510, the wind pressure switch 520, the electromagnetic valve 220, the second regulating valve 230 and the flow sensor 330, the structure is reasonable, and the miniaturization of the gas water heater is facilitated.

The connection between the heat exchanger 420 and the burner 410 is the position of burning flame, i.e. the highest temperature area in the gas water heater, in order to prevent the main controller 530, the smoke exhaust fan 510, the wind pressure switch 520, the electromagnetic valve 220, the second regulating valve 230 and the flow sensor 330 from being damaged by high temperature, in some embodiments of the present invention, the main controller 530, the smoke exhaust fan 510, the wind pressure switch 520, the electromagnetic valve 220, the second regulating valve 230 and the flow sensor 330 are respectively disposed in the housing 100 at a position far away from the connection between the heat exchanger 420 and the burner 410, specifically, the main controller 530 is disposed at the upper right of the heat exchanger 420, and the smoke exhaust fan 510 and the wind pressure switch 520 are both disposed above the main controller 530; the solenoid valve 220, the second regulating valve 230 and the flow sensor 330 are all disposed at the bottom of the housing 100.

In some embodiments of the present invention, a series connection of a segment valve 240 is provided between the air inlet of the heat exchanger 420 and the second regulating valve 230. As shown in fig. 2, the segment valve 240, the second regulating valve 230, the solenoid valve 220 and the flow sensor 330 are all disposed at the lower right corner of the housing 100; thus, when the burner 410 is used by a user, the burner can be adjusted to be a whole-section burning or a sectional burning according to actual needs.

In some embodiments of the present invention, the segment valve 240 has a first knob 241, the first knob 241 being provided on the bottom surface of the housing 100; the second regulating valve 230 has a second knob 231, and the second knob 231 is provided at the front side of the housing 100. Because the segmented valve 240, the electromagnetic valve 220, the second regulating valve 230 and the flow sensor 330 are all arranged at the lower right corner of the housing 100, the segmented valve 240 is close to the second regulating valve 230, and knobs of the two valves arranged at the same side are too crowded to be twisted; by providing the first knob 241 on the lower side of the gas water heater and the second knob 231 on the front side of the gas water heater, it is convenient to twist the first knob 241 or the second knob 231.

The above description is for the purpose of illustrating the preferred embodiments of the present invention, but the present invention is not limited to the illustrated embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the appended claims.

Claims

1. A gas water heater, its characterized in that: including inlet tube, intake pipe, combustor, heat exchanger, the heat exchanger is located the combustor upside, be equipped with some firearm in the combustor, the intake pipe with the air inlet intercommunication of combustor, the inlet tube with the water inlet intercommunication of heat exchanger, be equipped with first governing valve and flow sensor on the inlet tube, first governing valve with flow sensor series connection, be equipped with second governing valve and solenoid valve in the intake pipe, the second governing valve with solenoid valve series connection, the solenoid valve with flow sensor electric connection, the solenoid valve with some firearm electric connection.

2. The gas water heater of claim 1, wherein: the heat exchanger upside is equipped with the enclosure, the exit of enclosure is equipped with smoke exhaust fan, smoke exhaust fan side is equipped with the wind pressure switch, the wind pressure switch with solenoid valve electric connection.

3. The gas water heater of claim 2, wherein: the burner, the heat exchanger, the smoke exhaust fan, the wind pressure switch, the second regulating valve, the electromagnetic valve and the flow sensor are all arranged in the shell, a main controller is also arranged in the shell, and the electromagnetic valve, the igniter, the flow sensor, the smoke exhaust fan and the wind pressure switch are respectively and electrically connected with the main controller; the combustor the heat exchanger with the enclosure is all located the shell left side, main control unit smoke exhaust fan the wind pressure switch the solenoid valve the second governing valve with flow sensor all locates the shell right side.

4. The gas water heater of claim 3, wherein: the main controller is arranged at the upper right of the heat exchanger, and the smoke exhaust fan and the wind pressure switch are both arranged above the main controller; the electromagnetic valve, the second regulating valve and the flow sensor are all arranged at the bottom of the shell.

5. The gas water heater of claim 4, wherein: and a section valve is connected in series between the air inlet of the heat exchanger and the second regulating valve.

6. The gas water heater of claim 5, wherein: the segmented valve is provided with a first knob, and the first knob is arranged on the bottom surface of the shell; the second regulating valve is provided with a second knob, and the second knob is arranged on the front side face of the shell.