CN211290524U - Gas water heater and heating system - Google Patents
Gas water heater and heating system Download PDFInfo
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- CN211290524U CN211290524U CN201921283598.4U CN201921283598U CN211290524U CN 211290524 U CN211290524 U CN 211290524U CN 201921283598 U CN201921283598 U CN 201921283598U CN 211290524 U CN211290524 U CN 211290524U
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- water
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- water inlet
- pipeline
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 209
- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- 238000003287 bathing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a gas heater and heating system, wherein, gas heater includes combustor, heat exchanger, water intake pipe, outlet pipe way and expansion tank, and the combustor sets up in the below of heat exchanger, and water intake pipe and outlet pipe way all are linked together with the heat exchanger, and the expansion tank is linked together with water intake pipe, and the inner chamber sectional area of expansion tank is greater than the inner chamber sectional area of water intake pipe. Through the structure, when the pressure in the water inlet pipeline is higher, a part of water can enter the expansion tank so as to reduce the pressure in the water inlet pipeline and avoid overhigh pressure in the water inlet pipeline; in addition, when the pressure in the water inlet line is insufficient, water in the expansion tank can flow back to the water inlet line to balance the pressure in the water inlet line.
Description
Technical Field
The utility model relates to a water heating equipment, in particular to gas heater and heating system.
Background
At present, in a time period with lower air temperature, a bathroom needs to be heated so that a user can take a bath in a proper air temperature environment. The area of the bathroom is small, and the heating amount required correspondingly is small, so that the bathroom heating system can be constructed by taking the gas water heater as a heat source.
For the bathroom heating system, generally, a radiator is installed in a bathroom, hot water generated when the gas water heater works is conveyed to the radiator through a pipeline, heat exchange is carried out through the radiator to conduct the heat of the hot water to air in the bathroom, the bathroom can be heated, and water flowing out of the radiator flows back to the gas water heater to be heated again. However, the temperature of the returned water is still high and steam is easily generated, causing a pressure increase in the water inlet line in the gas water heater, easily causing the water inlet line to burst.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide gas heater and heating system, can avoid the pressure among the water intake pipe in the gas heater too high.
According to the utility model discloses an aspect provides gas water heater, it includes combustor, heat exchanger, water intake pipe, outlet pipe way and expansion tank, the combustor set up in the below of heat exchanger, water intake pipe with outlet pipe way all with the heat exchanger is linked together, the expansion tank with water intake pipe is linked together, just the inner chamber sectional area of expansion tank is greater than the inner chamber sectional area of water intake pipe.
The scheme has at least one technical effect as follows: through the structure, when the pressure in the water inlet pipeline is higher, a part of water can enter the expansion tank so as to reduce the pressure in the water inlet pipeline and avoid overhigh pressure in the water inlet pipeline; in addition, when the pressure in the water inlet line is insufficient, water in the expansion tank can flow back to the water inlet line to balance the pressure in the water inlet line.
According to the utility model discloses the first aspect gas heater, the outlet pipeline is provided with discharge valve on the road, discharge valve with the inner chamber of outlet pipeline is linked together. The air in the water outlet pipeline can be discharged through the exhaust valve, and the pressure in the water outlet pipeline is reduced.
According to a second aspect of the present invention, a heating system is provided, which comprises a water outlet pipe, a radiator, a water return pipe, a first three-way valve, a water pump and the gas water heater, wherein the water return pipe comprises a first water return pipe section and a second water return pipe section, and the first three-way valve is provided with a first water inlet, a second water inlet and a first water outlet which are communicated with each other;
the water outlet pipe is communicated with the outlet end of the water outlet pipeline and the inlet end of the first water return pipe section, the radiator and the second water return pipe section are communicated in sequence, the outlet end of the second water return pipe section is communicated with the first water inlet, the first water outlet is communicated with the inlet end of the water inlet pipeline, and the water pump is arranged on the water outlet pipe or the water outlet pipeline.
Through above-mentioned structure, hot water can flow in the radiator, carries out the heat exchange through the radiator to with the air in hydrothermal heat conduction to the bathroom, thereby can heat the bathroom, the water reflux to gas heater of outflow radiator, through the pressure in the expansion tank can balance the water intake pipe, avoid the pressure in the water intake pipe too high.
According to the utility model discloses the second aspect heating system, be provided with first check valve core in the first water inlet. The first water inlet and the first water outlet can be communicated in a single direction through the first one-way valve core, and only water is allowed to flow from the first water inlet to the first water outlet.
According to the utility model discloses the second aspect heating system, the outlet pipe with be provided with the second three-way valve between the first return water pipeline section, third inlet, second delivery port and the third delivery port that have mutual intercommunication on the second three-way valve, the third inlet with the exit end of outlet pipe is linked together, the second delivery port with the entry end of first return water pipeline section is linked together, be provided with the second check valve core in the second delivery port. With this configuration, the heating system can be switched between the heating mode and the water discharge mode.
According to the utility model discloses the second aspect heating system, gas heater includes a casing, the water pump with first three-way valve set up in the casing.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a schematic diagram of an embodiment of a heating system according to the present invention;
fig. 2 is a structural diagram of the embodiment of the gas water heater of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of 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.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including 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.
Referring to fig. 1, the embodiment of the present invention provides a heating system, it includes outlet pipe 11, radiator 12, the wet return, first three-way valve 14, water pump 15, second three-way valve 16 and gas heater, the wet return includes first return pipe section 131 and second return pipe section 132, first water inlet 141, second water inlet 142 and first delivery port 143 that have mutual intercommunication on the first three-way valve 14, be provided with first check valve core 144 in the first water inlet 141, third water inlet 161, second delivery port 162 and the third delivery port 163 that have mutual intercommunication on the second three-way valve 16, be provided with second check valve core 164 in the second delivery port 162.
Wherein, referring to fig. 1 and 2, the embodiment of the utility model provides a gas water heater, it includes combustor 21, heat exchanger 22, water inlet pipe 23, outlet pipe 24, expansion tank 25 and casing 26, combustor 21 sets up in heat exchanger 22's below, and the exit end of water inlet pipe 23 and outlet pipe 24's entry end all are linked together with heat exchanger 22, and expansion tank 25 is linked together with water inlet pipe 23, and the inner chamber sectional area of expansion tank 25 is greater than the inner chamber sectional area of water inlet pipe 23. The water pump 15 and the first three-way valve 14 are both located within the housing 26.
The water pump 15 is arranged on the water outlet pipeline 24, the second three-way valve 16 is arranged between the water outlet pipe 11 and the first water return pipe section 131, the water outlet pipe 11 is simultaneously communicated with the outlet end of the water outlet pipeline 24 and the third water inlet 161, the second water outlet 162 is communicated with the inlet end of the first water return pipe section 131, the radiator 12 and the second water return pipe section 132 are sequentially communicated, the outlet end of the second water return pipe section 132 is communicated with the first water inlet 141, and the first water outlet 143 is communicated with the inlet end of the water inlet pipeline 23. In addition, the second water inlet 142 is connected to the water inlet manifold 30, and the third water outlet 163 is connected to the common water port 40. The water end 40 may be a shower, a faucet, or the like.
The gas water heater is provided with a control device and a signal input device, and the signal input device, the burner 21 and the water pump 15 are all electrically connected with the control device. The signal input device can be a key, a touch pad or a voice control module. The gas water heater has two working modes of a heating mode and a water outlet mode.
Before bathing, the bathroom needs to be heated, a user can select a heating mode through a signal input device, the water pump 15 and the burner 21 are started, water is heated through the heat exchanger 22, the water using end 40 is not started, the second one-way valve core 164 can be started by using water pressure, and hot water flows into the radiator 12 to heat the bathroom. The first check valve 144 is also opened by water pressure to allow water exiting the radiator 12 to flow back to the heat exchanger 22. The water pressure in the water outlet pipe 11 can be increased by the water pump 15 to ensure that the second check valve core 164 can be opened smoothly.
When bathing is needed, the user can select the water outlet mode through the signal input device, and the water pump 15 stops working. The water end 40 is opened to release pressure and drain water, and in addition, the water pump 15 is closed, the water pressure in the water outlet pipe 11 is reduced, the first one-way valve core 144 cannot be opened, hot water does not flow into the radiator 12 any more, and the hot water flows out through the water end 40 for a user to take a bath.
Referring to fig. 2, an exhaust valve 27 is disposed on the water outlet pipe 24, the exhaust valve 27 is communicated with the inner cavity of the water outlet pipe 24, and the exhaust valve 27 can exhaust the gas in the water outlet pipe 24 to reduce the pressure in the water outlet pipe 24.
Through the structure, the expansion tank 25 can balance the pressure in the water inlet pipeline 23 and avoid overhigh pressure in the water inlet pipeline 23. In addition, cold water in the water outlet pipe 11 can be guided to the gas water heater through the radiator 12 and the water return pipe, so that hot water can be discharged when a user opens the water using end 40, the purpose of zero cold water outlet can be achieved, and the use experience of the user is optimized.
When installed, the radiator 12 may be used as an option, and when the user does not require a bathroom heating function, the radiator 12 may not be installed. The first water return pipe section 131 and the second water return pipe section 132 can be directly connected to enable the heating system to still have the function of zero cold water outlet.
In some embodiments, a water pump 15 may also be provided on outlet pipe 11. Both the water pump 15 and the first three-way valve 14 may be disposed outside the housing 26.
In some embodiments, the second three-way valve 16 may be replaced by a directional valve, which may be manually actuated or may be solenoid actuated, the solenoid being electrically connected to the control device. The reversing valve can be switched between two working states of conducting the water outlet pipe 11 and the first water return pipe section 131, and conducting the water outlet pipe 11 and the water using end 40.
In some embodiments, two water outlet pipes 11 may be provided, and the inlet ends of two water outlet pipes 11 are both communicated with the water outlet pipeline 24, wherein the outlet end of one water outlet pipe 11 is directly communicated with the first water return section 131, and the outlet end of the other water outlet pipe 11 is connected with the water outlet end 40. The water outlet pipe 11 connected with the first water return pipe section 131 can be provided with an on-off valve and the water pump 15. Of course, the water outlet pipe 11 connected to the radiator 12 may not be provided with an on-off valve, so that hot water is always introduced into the radiator 12, and the bathroom is continuously heated.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The heating system is characterized by comprising a water outlet pipe, a radiator, a water return pipe, a first three-way valve, a water pump and a gas water heater, wherein the water return pipe comprises a first water return pipe section and a second water return pipe section, and the first three-way valve is provided with a first water inlet, a second water inlet and a first water outlet which are mutually communicated;
the gas water heater comprises a burner, a heat exchanger, a water inlet pipeline, a water outlet pipeline and an expansion tank, wherein the burner is arranged below the heat exchanger, the water inlet pipeline and the water outlet pipeline are both communicated with the heat exchanger, the expansion tank is communicated with the water inlet pipeline, and the sectional area of an inner cavity of the expansion tank is larger than that of the water inlet pipeline;
the water outlet pipe is communicated with the outlet end of the water outlet pipeline and the inlet end of the first water return pipe section at the same time, the first water return pipe section, the radiator and the second water return pipe section are communicated in sequence, the outlet end of the second water return pipe section is communicated with the first water inlet, the first water outlet is communicated with the inlet end of the water inlet pipeline, and the water pump is arranged on the water outlet pipe or the water outlet pipeline;
a first one-way valve core is arranged in the first water inlet.
2. The heating system of claim 1, wherein the water outlet pipeline is provided with an exhaust valve, and the exhaust valve is communicated with an inner cavity of the water outlet pipeline.
3. The heating system of claim 1, wherein a second three-way valve is disposed between the water outlet pipe and the first water return pipe section, the second three-way valve has a third water inlet, a second water outlet and a third water outlet that are communicated with each other, the third water inlet is communicated with the outlet end of the water outlet pipe, the second water outlet is communicated with the inlet end of the first water return pipe section, and a second one-way valve core is disposed in the second water outlet.
4. The heating system of claim 1, wherein the gas water heater includes a housing, and the water pump and the first three-way valve are disposed within the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283598.4U CN211290524U (en) | 2019-08-08 | 2019-08-08 | Gas water heater and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283598.4U CN211290524U (en) | 2019-08-08 | 2019-08-08 | Gas water heater and heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211290524U true CN211290524U (en) | 2020-08-18 |
Family
ID=72011888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921283598.4U Active CN211290524U (en) | 2019-08-08 | 2019-08-08 | Gas water heater and heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211290524U (en) |
-
2019
- 2019-08-08 CN CN201921283598.4U patent/CN211290524U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200813 Address after: 528400 2nd floor, No.3, No.42, South Industrial Avenue, Xiaolan Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan chuang'erte Smart Home Technology Co., Ltd Address before: 528415 No. 1, 42 South Xiaolan Industrial Avenue, Zhongshan City, Guangdong Province Patentee before: CHANT HEAT ENERGY SCIENCE & TECHNOLOGY (ZHONGSHAN) Co.,Ltd. |
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| TR01 | Transfer of patent right |