CN212132909U - Three-section combustion jet pipe assembly for gas water heater - Google Patents

Three-section combustion jet pipe assembly for gas water heater Download PDF

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Publication number
CN212132909U
CN212132909U CN202020441273.0U CN202020441273U CN212132909U CN 212132909 U CN212132909 U CN 212132909U CN 202020441273 U CN202020441273 U CN 202020441273U CN 212132909 U CN212132909 U CN 212132909U
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gas
air
air inlet
cavity
valve
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CN202020441273.0U
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卢宇凡
邓先全
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Guangdong Vanward New Electric Co Ltd
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Guangdong Vanward New Electric Co Ltd
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Abstract

The utility model relates to the technical field of water heater gas injection pipes, in particular to a three-section combustion gas injection pipe component for a gas water heater, which comprises a gas distribution rod and a valve group arranged on the gas distribution rod; the gas distributing rod is provided with a gas inlet channel, a first gas distributing channel, a second gas distributing channel and a third gas distributing channel which are mutually independent are arranged on a tube body of the gas distributing rod, the valve group comprises a first valve and a second valve, and nozzles are respectively arranged at gas outlets of the first gas distributing channel, the second gas distributing channel and the third gas distributing channel; the air distributing rod is further provided with a first air inlet cavity communicated with the air inlet channel and a second air inlet cavity communicated with the first air inlet cavity, the first air inlet cavity is divided into a first flow dividing cavity and a second flow dividing cavity which are independent, and the first flow dividing cavity and the second flow dividing cavity are respectively communicated with the second air inlet cavity. Three segmentation burning that three cavitys could be realized have been realized through first chamber and the second chamber of admitting air, reduce the volume of jet-propelled pipe, and then reduce the volume of water heater, realize manufacturing cost's decline.

Description

Three-section combustion jet pipe assembly for gas water heater
Technical Field
The utility model relates to a technical field of water heater jet-propelled pipe, more specifically relates to a three segmentation combustion jet-propelled pipe subassemblies for gas heater.
Background
When the water heater using the traditional jet pipe assembly is used, under the condition that the average temperature of inlet water in summer in south China is 31 ℃, the lowest temperature of outlet water of the water heater rises to about 10K, and when a user uses the water heater, the temperature of outlet water reaches 41 ℃, under the condition, the user feels that the temperature of outlet water is too hot, the washing comfort level is reduced, and the satisfaction degree of the user is reduced. Therefore, in order to control the temperature rise of the water heater, the traditional gas ejector component is changed into a three-section gas heater, and the temperature of the outlet water reaches about 35 ℃ through section combustion.
Chinese patent CN201910549557.3 discloses a gas ejector for a gas water heater, wherein a three-segment gas ejector is disclosed, which comprises a gas inlet, three gas inlet chambers and gas distribution pipes respectively communicating with the three gas inlet chambers, wherein the gas enters the normally open gas inlet chamber from the gas inlet and then is distributed to the other two gas inlet chambers, and then flows into the three gas distribution pipes respectively, and then two of the gas inlet chambers are controlled by an electromagnetic valve to realize the segment combustion. However, the design of the three air inlet cavities increases the volume of the air injection pipe, and the volume of the water heater is increased along with the increase of the volume of the air injection pipe, so that the manufacturing cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a three segmentation combustion jet stack subassemblies for gas heater, only need two cavitys of admitting air can realize the function of three segmentation jet stacks.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the three-section combustion gas injection pipe assembly for the gas water heater comprises a gas distribution rod and a valve group arranged on the gas distribution rod; the gas distribution rod is provided with a gas inlet channel, a first gas distribution channel, a second gas distribution channel and a third gas distribution channel which are mutually independent are arranged on a pipe body of the gas distribution rod, the valve group comprises a first valve and a second valve, and nozzles are respectively arranged at gas outlets of the first gas distribution channel, the second gas distribution channel and the third gas distribution channel; the gas distributing rod is also provided with a first gas inlet cavity communicated with the gas inlet channel and a second gas inlet cavity communicated with the first gas inlet cavity, the first gas inlet cavity is divided into a first flow dividing cavity and a second flow dividing cavity which are independent, a gas inlet of the second flow dividing cavity is communicated with the gas inlet channel, a gas outlet of the second flow dividing cavity is communicated with a gas inlet of the second gas inlet cavity, a gas inlet of the first flow dividing cavity is communicated with a gas outlet of the second gas inlet cavity, and a gas outlet of the first flow dividing cavity is communicated with the first gas distributing channel; the first valve is arranged between the air outlet of the second air inlet cavity and the air inlet of the first diversion cavity to control the connection and disconnection of the first diversion and the second air inlet cavity, and the second valve is arranged between the air outlet of the second air inlet cavity and the air inlet of the second air distribution channel to control the connection and disconnection of the second air inlet cavity and the second air distribution channel; and the second air inlet cavity is also directly communicated with the third air distribution channel.
In one embodiment, the first valve is disposed in the first distribution chamber and the second valve is disposed in the second intake chamber.
In one embodiment, the first inlet chamber is axially divided into a first distribution chamber and a second distribution chamber.
In one embodiment, the first valve and the second valve are one-way solenoid valves.
In one embodiment, the gas distribution rod is provided with a mounting seat for mounting the first valve and the second valve.
In one embodiment, a sealing ring is arranged between each of the first valve and the second valve and the mounting seat.
In one embodiment, the gas distribution rod is provided with a pressure tap equipped with a sealing fastener.
In one embodiment, plugs are arranged at two ends of the pipe body.
In one embodiment, the number of the nozzles of the first air distribution channel is twice that of the nozzles of the third air distribution channel; the number of the nozzles of the second air distribution channel is three times that of the nozzles of the third air distribution channel.
In one embodiment, the number of the nozzles arranged in the first air distribution channel is the same as that of the nozzles arranged in the third air distribution channel; the number of the nozzles of the second air distribution channel is four times that of the nozzles of the third air distribution channel.
The utility model discloses a jet-propelled pipe subassembly of three segmentation burning compares with the background art, and the technological effect of production is:
the first air inlet cavity communicated with the air inlet channel is divided into two flow dividing cavities, segmented air supply of the three gas dividing channels can be realized only by the two air inlet cavities, and the flow dividing cavities are provided with enough cavity spaces for installing valves, so that gas circulation and stop of the three gas dividing pipelines are not influenced; three segmentation burning that three cavity could be realized have been realized through two cavitys, reduce a cavity, reduce the volume of jet-propelled pipe, and then reduce the volume of water heater, realize manufacturing cost's reduction.
Drawings
FIG. 1 is a top view of a three section combustion jet assembly for a gas water heater;
FIG. 2 is a side view schematic of a three section combustion jet assembly for a gas fired water heater;
fig. 3 is a schematic view of the internal structure of a three-section combustion jet pipe assembly for a gas water heater.
In the drawings: 1-gas distributing rod; 2-an intake passage; 3-a second gas distribution channel; 4-a first valve; 5-a second valve; 6-a nozzle; 7-a first air intake chamber; 701-a first shunting cavity; 702-a second distribution chamber; 8-a second air intake chamber; 9-a mounting seat; 10-a sealing ring; 11-sealing fasteners; 12-pressure measuring hole; 13-plug.
Detailed Description
As shown in fig. 1 to 3, a three-segment combustion gas lance assembly for a gas water heater comprises a gas distributing rod 1 and a valve set mounted on the gas distributing rod 1; the gas distributing rod 1 is provided with a gas inlet channel 2, a first gas distributing channel, a second gas distributing channel 3 and a third gas distributing channel which are mutually independent are arranged on a tube body of the gas distributing rod 1, a valve group comprises a first valve 4 and a second valve 5, and nozzles 6 are respectively arranged at gas outlets of the first gas distributing channel, the second gas distributing channel 3 and the third gas distributing channel; the gas distributing rod 1 is further provided with a first gas inlet cavity 7 communicated with the gas inlet channel 2 and a second gas inlet cavity 8 communicated with the first gas inlet cavity 7, the first gas inlet cavity 7 is divided into a first flow distributing cavity 701 and a second flow distributing cavity 702 which are independent, a gas inlet of the second flow distributing cavity 702 is communicated with the gas inlet channel 2, a gas outlet of the second flow distributing cavity 702 is communicated with a gas inlet of the second gas inlet cavity 8, a gas inlet of the first flow distributing cavity 701 is communicated with a gas outlet of the second gas inlet cavity 8, and a gas outlet of the first flow distributing cavity 701 is communicated with the first gas distributing channel; the first valve 4 is arranged between the air outlet of the second air inlet cavity 8 and the air inlet of the first flow dividing cavity 701 to control the on-off of the first flow dividing cavity 701 and the second air inlet cavity 8, and the second valve 5 is arranged between the air outlet of the second air inlet cavity 8 and the air inlet of the second air dividing channel 3 to control the on-off of the second air inlet cavity 8 and the second air dividing channel 3; and the second air inlet cavity 8 is also directly communicated with the third air distribution channel.
The gas enters the second branch chamber 702 from the gas inlet channel 2 and then enters the second gas inlet chamber 8 from the second branch chamber 702, the gas in the second gas inlet chamber 8 flows to the first branch chamber 701, the third branch gas channel and the second branch gas channel 3, and the gas in the first branch chamber 701 continues to flow to the first branch gas channel. When low-flame combustion is needed, the first valve 4 and the second valve 5 are closed, and the fuel gas is sprayed out from the nozzle 6 of the third gas distribution channel for combustion. When the medium fire combustion needs to be carried out, the first valve 4 or the second valve 5 is opened, and the fuel gas is sprayed out from the nozzle 6 of the third gas distribution channel, the first gas distribution channel or the second gas distribution channel 3 for combustion. When the big fire combustion is needed, the first valve 4 and the second valve 5 are opened, and the fuel gas is sprayed out from the nozzles 6 of the three gas distribution pipelines for combustion. The gas is shunted to two inlet channels from the second inlet chamber 8 that is bigger, can ensure that the flow of gas is enough to burn and use.
Separate first chamber 7 of admitting air for first reposition of redundant personnel chamber 701 and second reposition of redundant personnel chamber 702, the gas is through second reposition of redundant personnel chamber 702 and second chamber 8 of admitting air, second chamber 8 of admitting air supplies air to the body of gas pole 1, and first reposition of redundant personnel chamber 701 can act as the passageway to the body air feed, second chamber 8 of admitting air and first reposition of redundant personnel chamber 701 all have sufficient cavity space installation valve, make a cavity realize the effect that two cavitys just had, the trisection burning of jet-propelled pipe can be realized to two chambers of admitting air, reduce a cavity, reduce the volume of jet-propelled pipe, and then reduce the volume of water heater, realize manufacturing cost's decline.
In one embodiment, the first valve 4 is disposed in the first split chamber 701 and the second valve 5 is disposed in the second intake chamber 8.
In one embodiment, the first air inlet chamber 7 is axially divided into a first flow-dividing chamber 701 and a second flow-dividing chamber 702, and both the first flow-dividing chamber 701 and the second flow-dividing chamber 702 can have a sufficient length for delivering the gas, while the first flow-dividing chamber 701 can also have a sufficient maximum width for accommodating the valve. In this embodiment, it is more preferable that the first intake chamber 7 is divided in half in the axial direction.
In one embodiment, the first valve 4 and the second valve 5 are one-way electromagnetic valves, the axial leads of the two valves are parallel, the first valve 4 and the second valve 5 are electrically connected with the control device, and the control device controls the opening and closing of the first valve 4 and the second valve 5 according to the use requirement, so that the opening and closing of the second air inlet cavity 8 and the second air distribution channel 3 and the opening and closing of the first diversion cavity 701 and the second air inlet cavity 8 are controlled. The control device is a control device of the gas water heater and is an existing component of the gas water heater. The second split chamber 702, the first split chamber 701 and the first valve 4 are sequentially located on the same straight line. The first branch chamber 701 and the second branch chamber 702 are actually horizontally separated, and the first branch chamber 701 faces upward and is closer to the first valve than the second branch chamber 702. First valve 4 and second valve 5 are located second gas distribution channel 3 and first reposition of redundant personnel chamber 701 directly over after can laminating, reduce the volume that the valve installation occupied, when first valve 4 is packed into first reposition of redundant personnel chamber 701 simultaneously, can not influence the gas flow in second reposition of redundant personnel chamber 702.
In one embodiment, the gas distributing rod 1 is provided with a mounting seat 9 for mounting the first valve 4 and the second valve 5, and the first valve 4 and the second valve 5 are mounted on the mounting seat 9 through fasteners.
In one embodiment, a sealing ring 10 is disposed between each of the first valve 4 and the second valve 5 and the mounting seat 9. The sealing ring 10 ensures that the gas of the gas distributing rod 1 cannot leak from the joint of the valve and the mounting seat 9.
In one embodiment, the gas distribution lever 1 is provided with a pressure tap 12 fitted with a sealing fastener 11 (which may be a sealing bolt). The pressure measuring hole 12 is used for determining whether the internal pressure of the gas distributing rod 1 meets the requirement or not, and the inspection effect is achieved. After the internal pressure of the gas distribution rod 1 is tested, the pressure measuring hole 12 is sealed by using the sealing fastener 11, so that gas leakage is prevented.
In one embodiment, plugs 13 are provided at both ends of the tube.
In one embodiment, the number of nozzles of the first branch air channel is twice that of the third branch air channel; the number of nozzles of the second gas distribution channel 3 is three times that of the third gas distribution channel. In this embodiment. The number of the nozzles 6 is 6, the first air distribution channel is provided with 2 nozzles 6, the third air distribution channel is provided with 1 nozzle 6, and the second air distribution channel 3 is provided with 3 nozzles 6. The first valve 4 controls the on-off of the gas of 2 nozzles 6 of the first gas distribution channel, the second valve 5 controls the on-off of the gas of 3 nozzles 6 of the second gas distribution channel 3, the nozzles 6 of the third gas distribution channel are open fire, and the gas sprayed by the nozzles 6 of the first gas distribution channel and the third gas distribution channel is ignited for ignition and combustion. When the engine runs under full load, the 6 nozzles 6 are in a working state of spraying all fuel gas for combustion; when the set temperature of the water heater is reduced, the second valve 5 is closed first, and the nozzles 6 of the second gas distribution channel 3 do not spray gas and are in a working state with 3 nozzles 6; when the set temperature is continuously adjusted downwards, the first valve 4 is closed, no fuel gas is sprayed out from 2 nozzles 6 of the first gas distribution channel, and the working state that the fuel gas is sprayed out from 1 nozzle 6 to burn is realized.
In one embodiment, the number of nozzles of the first branch air channel is the same as that of the third branch air channel; the number of nozzles of the second branch air passage 3 is four times the number of nozzles of the third branch air passage. When the engine runs under full load, the 6 nozzles 6 are in a working state of spraying all fuel gas for combustion; when the set temperature of the water heater is reduced, the second valve 5 is closed first, and the nozzles 6 of the second gas distribution channel 3 do not spray gas and are in a working state with 2 nozzles 6; when the set temperature is continuously adjusted downwards, the first valve 4 is closed, no fuel gas is sprayed out from 1 nozzle 6 of the first gas distribution channel, and the working state that the fuel gas is sprayed out from 1 nozzle 6 to burn is realized.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A three-section combustion jet pipe assembly for a gas water heater comprises a gas distribution rod (1) and a valve group arranged on the gas distribution rod (1), wherein the gas distribution rod (1) is provided with an air inlet channel (2), a first gas distribution channel, a second gas distribution channel (3) and a third gas distribution channel which are mutually independent are arranged on a pipe body of the gas distribution rod (1), the valve group comprises a first valve (4) and a second valve (5), and nozzles (6) are respectively arranged at air outlets of the first gas distribution channel, the second gas distribution channel (3) and the third gas distribution channel; the air distribution rod (1) is further provided with a first air inlet cavity (7) communicated with the air inlet channel (2) and a second air inlet cavity (8) communicated with the first air inlet cavity (7), the first air inlet cavity (7) is divided into a first flow distribution cavity (701) and a second flow distribution cavity (702) which are independent, an air inlet of the second flow distribution cavity (702) is communicated with the air inlet channel (2), an air outlet of the second flow distribution cavity (702) is communicated with an air inlet of the second air inlet cavity (8), an air inlet of the first flow distribution cavity (701) is communicated with an air outlet of the second air inlet cavity (8), and an air outlet of the first flow distribution cavity (701) is communicated with the first air distribution channel; the first valve (4) is arranged between an air outlet of the second air inlet cavity (8) and an air inlet of the first diversion cavity (701) to control the connection and disconnection of the first diversion cavity (701) and the second air inlet cavity (8); the second valve (5) is arranged between the air outlet of the second air inlet cavity (8) and the air inlet of the second air distribution channel (3) and controls the on-off of the second air inlet cavity (8) and the second air distribution channel (3); and the second air inlet cavity (8) is also directly communicated with the third air distribution channel.
2. The three-section combustion jet assembly for gas water heaters according to claim 1, characterized in that the first valve (4) is arranged in the first diversion chamber (701) and the second valve (5) is arranged in the second intake chamber (8).
3. The three-section combustion jet assembly for gas water heaters according to claim 2, characterized in that the first air intake chamber (7) is axially divided into a first (701) and a second (702) diversion chamber.
4. The three-section combustion jet pipe assembly for gas water heaters according to claim 3, characterized in that the first valve (4) and the second valve (5) are one-way solenoid valves.
5. Three-section combustion jet pipe assembly for gas water heaters according to claim 1, characterized in that the gas distributor rod (1) is provided with mounting seats (9) for mounting the first valve (4) and the second valve (5).
6. Three-section combustion jet pipe assembly for gas water heaters according to claim 5, characterized in that sealing rings (10) are provided between the first and second valves (4, 5) and the mounting seat (9).
7. Three-section combustion jet pipe assembly for gas water heaters according to claim 1, characterized in that the gas distribution stem (1) is provided with pressure taps (12) fitted with sealing fasteners (11).
8. Three-section combustion jet assembly for gas water heaters according to claim 1, characterized in that the tubular body is provided at both ends with plugs (13).
9. The three-section combustion jet pipe assembly for a gas water heater according to any one of claims 1-8, wherein the number of nozzles (6) provided for the first branch air passage is twice the number of nozzles (6) provided for the third branch air passage; the number of the nozzles (6) arranged in the second air distribution channel (3) is three times that of the nozzles (6) arranged in the third air distribution channel.
10. The three-section combustion jet pipe assembly for a gas water heater according to any one of claims 1 to 8, wherein the number of nozzles (6) provided for the first branch air passage is the same as the number of nozzles (6) provided for the third branch air passage; the number of the nozzles (6) arranged in the second air distribution channel (3) is four times that of the nozzles (6) arranged in the third air distribution channel.
CN202020441273.0U 2020-03-30 2020-03-30 Three-section combustion jet pipe assembly for gas water heater Active CN212132909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020441273.0U CN212132909U (en) 2020-03-30 2020-03-30 Three-section combustion jet pipe assembly for gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020441273.0U CN212132909U (en) 2020-03-30 2020-03-30 Three-section combustion jet pipe assembly for gas water heater

Publications (1)

Publication Number Publication Date
CN212132909U true CN212132909U (en) 2020-12-11

Family

ID=73672267

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020441273.0U Active CN212132909U (en) 2020-03-30 2020-03-30 Three-section combustion jet pipe assembly for gas water heater

Country Status (1)

Country Link
CN (1) CN212132909U (en)

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