CN215806487U - Multi-gear gas distribution device and water heater - Google Patents

Abstract

The utility model discloses a multi-gear gas distribution device and a water heater. The partition is movably arranged in the main channel and divides the first channel section, and the number of the air outlet channels communicated with the first channel section is changed through the partition, so that the number of the air outlet channels communicated with the air inlet channel is changed, the gas on-off control of a single air outlet channel and the gradual change of the number of the air outlet channels for outputting gas can be realized, the burner can realize gradual change type fire regulation, and the burner can better adapt to the use requirements of different users.

Description

Multi-gear gas distribution device and water heater

Technical Field

The utility model relates to the technical field of gas equipment, in particular to a multi-gear gas distribution device and a water heater.

Background

The existing gas water heater generally comprises a fire row burner and a gas distribution pipe assembly connected to the fire row burner, wherein the fire row burner is provided with a plurality of fire rows, the gas distribution pipe assembly is provided with an electromagnetic valve and a plurality of gas outlet channels in one-to-one correspondence with the fire rows, and the gas on-off condition of the gas outlet channels is controlled through the electromagnetic valve so as to control the on-off of gas output to the fire rows. For the existing gas distribution pipe assembly, one electromagnetic valve on the gas distribution pipe assembly generally controls the on-off of gas of two to three or more gas outlet channels simultaneously and correspondingly, the arrangement mode cannot realize the on-off control of the gas of a single gas outlet channel or the gradual change of the number of the gas outlet channels for outputting the gas, each electromagnetic valve correspondingly controls a plurality of fire rows, when one electromagnetic valve acts, the plurality of fire rows output the gas simultaneously for combustion and heating or are closed simultaneously, the fire power change degree of a burner is large, and the gas distribution pipe assembly cannot better adapt to the use requirements of different users; if each electromagnetic valve is arranged to independently control the on-off of the gas in one gas outlet channel, the arrangement mode can increase the arrangement number of the electromagnetic valves, and each electromagnetic valve needs to be correspondingly provided with a control module, so that the complexity of a system is increased, the production cost is increased, and the production and application are inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a multi-gear gas distribution device, wherein a partition is movably arranged in a main channel and divides a first channel section, the number of gas outlet channels communicated with a gas inlet channel is changed by changing the number of the gas outlet channels communicated with the first channel section through the partition, and the on-off control of gas of a single gas outlet channel and the gradual change of the number of the gas outlet channels for outputting the gas can be realized.

The utility model also provides a water heater with the multi-gear gas distribution device.

The multi-gear gas distribution device comprises a gas distribution pipe and a partition, wherein the gas distribution pipe is provided with an air inlet channel, a main channel and a plurality of air outlet channels communicated with the main channel, the partition is movably arranged in the main channel, the partition can partition a first channel section from the main channel, the first channel section is communicated with the air inlet channel, and the partition can change the number of the first channel section communicated with the air outlet channels.

The multi-gear gas distributing device provided by the embodiment of the utility model at least has the following beneficial effects: during the use, every outlet channel corresponds a fire row, the gas is imported to the first passageway section of main entrance from the inlet channel of gas-distributing pipe, be provided with the separator through the activity in the main entrance, the separator changes the passageway volume of the first passageway section of separating through removing or rotating, thereby change the quantity of first passageway section intercommunication outlet channel, change the quantity of the outlet channel who communicates with inlet channel, change the outlet channel quantity of output gas, adjust the firepower of combustor, simple structure is reasonable, can realize the gas on-off control of single outlet channel and the gradual change of the outlet channel quantity of output gas, and convenient to use.

According to some embodiments of the utility model, a plurality of the outlet channels are spaced apart in an axial direction of the main channel, the partition is movably disposed in the main channel and divides the main channel into two sections in the axial direction to form the first channel section, and the partition is movable in the axial direction of the main channel to change an axial length of the first channel section.

According to some embodiments of the utility model, the multi-stage air distribution device further comprises a driver capable of driving the partition to move in the axial direction of the main passage.

According to some embodiments of the utility model, the driver is connected with a screw rod in a driving manner, the partition is provided with a screw hole matched with the screw rod, the partition is matched with the screw rod through the screw hole to form a screw rod structure, and the driver can drive the screw rod to rotate so as to drive the partition to move through the screw rod.

According to some embodiments of the utility model, an outer periphery of the partition is provided with a seal ring abutting against an inner wall surface of the main passage.

According to some embodiments of the utility model, the gas distribution pipe is further provided with an electromagnetic valve channel, the gas inlet channel is communicated with the main channel through the electromagnetic valve channel, a communication port is arranged between the electromagnetic valve channel and the main channel, and the gas distribution pipe is connected with an electromagnetic valve capable of blocking the communication port.

According to some embodiments of the utility model, the gas distribution pipe is provided with a pressure measurement channel communicated with the main channel.

According to some embodiments of the utility model, a gas nozzle is connected to an outlet end of the gas outlet channel.

The water heater according to the second aspect embodiment of the utility model comprises the multi-gear gas distribution device according to the first aspect embodiment of the utility model.

The water heater provided by the embodiment of the utility model has at least the following beneficial effects: by adopting the multi-gear gas distribution device, the number of the gas outlet channels for outputting gas can be controlled, the gas on-off control of a single gas outlet channel and the gradual change of the number of the gas outlet channels for outputting gas are realized, so that the burner can realize gradual fire regulation and can better adapt to the use requirements of different users.

Additional aspects and advantages of the utility model 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 utility model.

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 schematic structural diagram of a multi-stage air distribution device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the multi-stage gas distributing device shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the multi-stage air distributing device shown in FIG. 1;

FIG. 4 is a second schematic cross-sectional view of the multi-stage air-distributing device shown in FIG. 1;

FIG. 5 is a schematic perspective cross-sectional view of the air distributing pipe of FIG. 1;

fig. 6 is a schematic structural view of the separator of fig. 2.

Reference numerals:

the gas distribution pipe comprises a gas distribution pipe 100, a blocking piece 101, an electromagnetic valve 102, a gas nozzle 103, an air inlet channel 110, an electromagnetic valve channel 111, a communication port 112, a main channel 120, a first channel section 121, a second channel section 122, an air outlet channel 130 and a pressure measuring channel 140;

a spacer 200, a screw hole 210, a sealing ring 220;

driver 300, lead screw 310.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions of orientation or positional relationship indicated as up, down, etc. are based on the directions or positional relationships shown in the drawings, it 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, if several, more than, less than, more than, above, below, or within words appear, several means are one or more, several means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, within, etc. are understood as including the number.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, 2, 3 and 4, the multi-gear gas distribution device comprises a gas distribution pipe 100 and a partition 200, wherein the gas distribution pipe 100 is provided with an air inlet channel 110, a main channel 120 and a plurality of air outlet channels 130 communicated with the main channel 120, the partition 200 is movably arranged in the main channel 120, the partition 200 can separate a first channel section 121 from the main channel 120, the first channel section 121 is communicated with the air inlet channel 110, and the partition 200 can change the number of the air outlet channels 130 communicated with the first channel section 121.

It can be understood that, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when in use, each gas outlet channel 130 corresponds to one fire row, gas is input from the gas inlet channel 110 of the gas distribution pipe 100 to the first channel segment 121 of the main channel 120, the partition 200 is movably arranged in the main channel 120, the partition 200 changes the channel volume of the partitioned first channel segment 121 through movement or rotation, so as to change the number of the gas outlet channels 130 communicated with the first channel segment 121, change the number of the gas outlet channels 130 communicated with the gas inlet channel 110, change the number of the gas outlet channels 130 outputting gas, control the combustion of the gas output by the corresponding number of fire rows, adjust the fire power of the burner, have simple and reasonable structure, and can realize the on-off control of the single gas outlet channel 130 by making the first channel segment 121 communicate with one gas outlet channel 130 or not communicate with any gas outlet channel 130 through the partition 200, the channel volume of the first channel segment 121 can be gradually increased or decreased through the partition 200, so that the number of the first channel segment 121 communicated with the air outlet channel 130 is gradually changed from one to at most gradually or gradually decreased from one to at most gradually, and the burner can realize gradual fire power adjustment and is convenient to use.

In practical applications, the partition 200 may change the channel volume of the first channel segment 121 by moving or rotating, so as to change the number of the first channel segments 121 communicating with the gas outlet channels 130, for example, when a plurality of gas outlet channels 130 are arranged around the axis of the main channel 120, the partition 200 may separate the first channel segments 121 with fan-shaped cross sections from the main channel 120 by rotating, and change the number of the first channel segments 121 communicating with the gas outlet channels 130 by controlling the rotation angle of the partition 200, so as to change the corresponding central angle of the first channel segments 121; or, when the plurality of air outlet channels 130 are arranged at intervals in the axial direction of the main channel 120, the partitioning member 200 may be rotatably arranged in the main channel 120, a plurality of communicating grooves with different lengths are arranged on the partitioning member 200 in the axial direction of the main channel 120, so as to form the first channel section 121 with the inner wall surface of the main channel 120, the plurality of communicating grooves are distributed on the outer circumferential surface of the partitioning member 200 at intervals around the rotation axis of the partitioning member 200, and the communicating grooves with different lengths are rotated to positions corresponding to the air outlet channels 130 by rotating the partitioning member 200, because the communicating grooves have different lengths in the axial direction of the main channel 120, the number of the air outlet channels 130 that can be communicated with each other is different, so as to change the number of the air outlet channels 130 communicated with the first channel section 121, which may be specifically set according to actual use requirements, and will not be described in detail herein, and will be described in detail below.

In certain embodiments, a plurality of outlet channels 130 are spaced axially along main channel 120, a divider 200 is movably disposed in main channel 120 and axially divides main channel 120 into two sections to form a first channel section 121, and divider 200 is movable axially along main channel 120 to vary the axial length of first channel section 121.

It can be understood that, as shown in fig. 2, 3, 4 and 5, a plurality of outlet channels 130 are uniformly spaced along the axial direction of the main channel 120, a partition 200 is movably disposed in the main channel 120 and divides the main channel 120 into two sections along the axial direction, namely a first channel section 121 and a second channel section 122, respectively, the first channel section 121 is communicated with the inlet channel 110, the partition 200 moves along the axial direction of the main channel 120, the axial length between the first channel section 121 and the second channel section 122 changes correspondingly, when the partition 200 moves closer to the inlet channel 110 along the axial direction of the main channel 120, the axial length of the first channel section 121 decreases, the axial length of the second channel section 122 increases, and the number of outlet channels 130 communicated with the first channel section 121 gradually decreases; when the partition 200 moves away from the inlet passage 110 in the axial direction of the main passage 120, the axial length of the first passage section 121 increases, the axial length of the second passage section 122 decreases, and the number of the outlet passages 130 communicated with the first passage section 121 gradually increases, so that the structure is simple, the number of the outlet passages 130 communicated with the first passage section 121 can be changed by moving the partition 200, and the axial length of the first passage section 121 can be controlled by controlling the moving stroke of the partition 200, thereby realizing accurate control of the number of the outlet passages 130 outputting the fuel gas.

In practical applications, the specific structure of the separating member 200 can be set according to practical needs, and will not be described in detail herein, and will be described in detail below.

In some embodiments, the multi-stage air distribution device further includes a driver 300, and the driver 300 can drive the partition 200 to move along the axial direction of the main passage 120.

It can be understood that, as shown in fig. 1, fig. 2 and fig. 3, the driver 300 is connected to the gas distribution pipe 100, and the divider 200 is driven by the driver 300 to move along the axial direction of the main channel 120, so that the moving stroke of the divider 200 can be accurately controlled in an electric control manner, the reliability of the use of the divider is improved, and the possibility of failure caused by human misoperation is reduced, thereby facilitating the use.

In practical applications, the driver 300 may be a linear motor, an electric push rod, an air cylinder, or the like, or may be a servo motor or a stepping motor, and is connected to the partition 200 through a corresponding transmission structure, so as to drive the partition 200 to move, and specifically, the setting may be set according to practical needs, and those skilled in the art should understand that the setting may be made accordingly.

In some embodiments, the driver 300 is drivingly connected with a screw rod 310, the separating member 200 is provided with a screw hole 210 engaged with the screw rod 310, the separating member 200 is engaged with the screw rod 310 through the screw hole 210 to form a screw rod structure, and the driver 300 can drive the screw rod 310 to rotate so as to drive the separating member 200 to move through the screw rod 310.

It can be understood that, as shown in fig. 2, 3, 4 and 6, the driver 300 is drivingly connected with a screw rod 310, the partition 200 is provided with a screw hole 210 and is matched with the screw rod 310 through the screw hole 210, so as to form a screw rod structure, the driver 300 drives the screw rod 310 to rotate to move the partition 200 relative to the screw rod 310, so as to achieve the purpose of driving the partition 200 to move, and the structure is simple and convenient to use.

In practical application, the driver 300 and the separating element 200 may be connected through a rack-and-pinion structure to drive the separating element 200 to move, which may be changed according to practical implementation requirements, and will not be described herein again.

In some embodiments, the outer periphery of the partition 200 is provided with a sealing ring 220 that abuts the inner wall surface of the main passage 120. It can be understood that, as shown in fig. 2, 3, 4 and 6, two sealing rings 220 are disposed on the periphery of the partitioning member 200, and when the partitioning member 200 is disposed in the main passage 120, the sealing rings 220 on the periphery of the partitioning member 200 are in contact with the inner wall surface of the main passage 120, so that the partitioned first passage section 121 has better sealing performance, and the reliability and safety of use are improved. In practical application, the specific structure, the number of the sealing rings 220 and the like can be set according to practical application requirements, and are not limited herein.

In some embodiments, the gas distribution pipe 100 is further provided with a solenoid valve channel 111, the air inlet channel 110 is communicated with the main channel 120 through the solenoid valve channel 111, a communication port 112 is arranged between the solenoid valve channel 111 and the main channel 120, and the gas distribution pipe 100 is connected with a solenoid valve 102 capable of blocking the communication port 112.

It can be understood that, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, when in use, the solenoid valve 102 may be connected to a thermocouple or other detection member of a burner, gas is input from the air inlet channel 110 and delivered to the solenoid valve channel 111, the opening and closing of the communication port 112 is controlled by the solenoid valve 102, and when a flameout or other fault of the burner is detected, the communication port 112 is closed by the solenoid valve 102, so as to disconnect the gas input of the main channel 120, thereby implementing a flameout protection or fault protection function and improving the safety in use.

In practical applications, the solenoid valve 102 may be a self-priming solenoid valve, which controls the solenoid valve 102 to operate in an electrically controlled manner, or the solenoid valve 102 may be a top-opening solenoid valve, which opens the communication port 112 by disposing a corresponding top-opening structure on the lead screw 310 to push the solenoid valve 102, and the specific type of the solenoid valve 102 may be selected according to actual needs, and the specific configuration thereof is known to those skilled in the art, and therefore will not be described in detail herein.

In some embodiments, the gas-distributing tube 100 is provided with a pressure-measuring channel 140 communicating with the main channel 120. It can be understood that, as shown in fig. 1, fig. 2 and fig. 5, the gas distribution pipe 100 is provided with a pressure measuring channel 140 communicated with the main channel 120, the pressure measuring channel 140 is detachably connected with a plugging member 101 capable of plugging the pressure measuring channel 140, when the pressure measuring channel 140 is used, the plugging member 101 is detachable and connected with a pressure measuring assembly, and the gas pressure of the main channel 120 is detected to obtain the gas pressure condition of the main channel 120, so that other components can conveniently act according to the pressure condition, and the use reliability and the safety are improved.

In practical application, the position of the pressure measuring channel 140 may be set according to practical needs, and the pressure measuring module may also be directly connected thereto, or the plugging member 101 may be detached and connected to the pressure measuring module for use according to needs, which is not limited herein.

In some embodiments, a gas burner 103 is connected to the outlet end of the gas outlet channel 130. It can be understood that, as shown in fig. 1, fig. 2 and fig. 3, the outlet end of each gas outlet channel 130 is connected with a gas nozzle 103, and when in use, the gas outlet channels 130 can jet and output gas to the fire grate through the gas nozzles 103, so that the fire grate can jet and supplement air to be mixed with the gas, and a better combustion effect is realized. In practical applications, the specific structure of the gas nozzle 103 may be set according to practical application needs, and those skilled in the art should understand that the specific structure is not limited herein.

The water heater according to the second aspect embodiment of the utility model comprises the multi-gear gas distribution device according to the first aspect embodiment of the utility model.

According to the water heater provided by the embodiment of the utility model, by adopting the multi-gear gas distribution device, the number of the gas outlet channels 130 for outputting gas can be controlled, the gas on-off control of a single gas outlet channel 130 and the gradual change of the number of the gas outlet channels 130 for outputting gas are realized, so that the burner can realize gradual fire regulation, and the water heater can better adapt to the use requirements of different users.

Since other constructions of the water heater of the embodiments of the present invention are known to those of ordinary skill in the art, they will not be described in detail herein.

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 within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (9)

1. A multi-gear gas distribution device is characterized by comprising:

the gas distribution pipe (100) is provided with a gas inlet channel (110), a main channel (120) and a plurality of gas outlet channels (130) communicated with the main channel (120);

the separator (200) is movably arranged in the main channel (120), the separator (200) can separate a first channel section (121) from the main channel (120), the first channel section (121) is communicated with the air inlet channel (110), and the number of the first channel section (121) communicated with the air outlet channel (130) can be changed by the separator (200).

2. The multi-stage gas distribution device according to claim 1,

a plurality of the outlet channels (130) are arranged at intervals along the axial direction of the main channel (120), the partition (200) is movably arranged in the main channel (120) and divides the main channel (120) into two sections along the axial direction to form the first channel section (121), and the partition (200) can move along the axial direction of the main channel (120) to change the axial length of the first channel section (121).

3. The multi-stage gas distribution device according to claim 2,

further comprising a driver (300), the driver (300) being capable of driving the partition (200) to move in the axial direction of the main channel (120).

4. The multi-stage gas distribution device according to claim 3,

the driver (300) is connected with a screw rod (310) in a driving mode, a screw hole (210) matched with the screw rod (310) is formed in the separating piece (200), the separating piece (200) is matched with the screw rod (310) through the screw hole (210) to form a screw rod structure, and the driver (300) can drive the screw rod (310) to rotate so as to drive the separating piece (200) to move through the screw rod (310).

5. The multi-stage gas distribution device according to claim 2,

the outer periphery of the separator (200) is provided with a seal ring (220) that abuts against the inner wall surface of the main passage (120).

6. The multi-stage gas distribution device according to claim 1,

the gas distribution pipe (100) is further provided with an electromagnetic valve channel (111), the air inlet channel (110) is communicated with the main channel (120) through the electromagnetic valve channel (111), a communication port (112) is formed between the electromagnetic valve channel (111) and the main channel (120), and the gas distribution pipe (100) is connected with an electromagnetic valve (102) capable of blocking the communication port (112).

7. The multi-stage gas distribution device according to claim 1,

and a pressure measuring channel (140) communicated with the main channel (120) is arranged on the gas distribution pipe (100).

8. The multi-stage gas distribution device according to claim 1,

the outlet end of the air outlet channel (130) is connected with a gas nozzle (103).

9. A water heater, characterized in that, includes the many gears gas distribution device according to any one of claims 1-8.

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