CN217464900U - Box and gas heater - Google Patents

Abstract

The utility model discloses a box body and a gas water heater, which comprises a box body, wherein the box body comprises a first plate, the box body is provided with a closed first cavity, and the first plate is provided with a first through hole communicated with the first cavity; the box body further comprises a cover shell, the cover shell is arranged on the first plate and forms a closed second cavity, the first through hole is located on the inner side of the cover shell, and a second through hole communicated with the second cavity is formed in the side wall of the cover shell. The utility model discloses form two inclosed cavities with the box for produced burning noise, rivers noise, fan air current noise etc. in the first cavity, through the buffering of second cavity, the intensity that can effectively the noise reduction propagate.

Description

Box and gas heater

Technical Field

The utility model relates to a gas heater technical field, in particular to box and gas heater.

Background

Along with the improvement of the requirements of people on the living quality, users pay more and more attention to the size of the noise parameter of the gas water heater when purchasing the gas water heater, so that the quality of the noise performance becomes a big key factor influencing the product competitiveness.

The air inlet mode of the existing forced-pumping type or forced-blowing type gas water heater is as follows: the back or the side of the water heater is provided with a hole, and when the water heater works, outside air is sucked by the fan. Because the air inlet flow velocity is fast and the air flow is unstable, the working noise of the existing strong pumping type or strong drum type gas water heater is larger. In addition, combustion noise, water flow noise, fan airflow noise (sound wave) and the like generated by the existing strong pumping type or strong drum type gas water heater are directly transmitted to the outside, and noise pollution is also brought to the environment.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a box and gas heater in order to overcome the great defect of gas heater's among the prior art noise at work.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model provides a box body, which comprises a box body, wherein the box body comprises a first plate, the box body is provided with a closed first cavity, and a first through hole communicated with the first cavity is arranged on the first plate; the box body further comprises a cover shell, the cover shell is arranged on the first plate and forms a closed second cavity, the first through hole is located on the inner side of the cover shell, and a second through hole communicated with the second cavity is formed in the side wall of the cover shell.

Through the technical scheme, the utility model discloses form two inclosed cavities with the box for produced burning noise, rivers noise, fan air current noise and so on in the first cavity, through the buffering of second cavity, the intensity that can effectively the noise reduction propagate.

Preferably, the first plate has opposite first and second ends, the first through hole is adjacent to the first end, and the second through hole is adjacent to the second end.

Through above-mentioned technical scheme, the in-process that the noise propagated to the external world, through prolonging the propagation path of sound wave to change the direction of sound wave transmission many times, utilize the sound wave and can reduce certain noise level relatively with colliding between the lateral wall of case body, housing, effectively alleviate the big defect of noise in the gas heater working process.

Preferably, the box body comprises a plurality of baffle plates, the cover casing is provided with an end plate opposite to the first plate, the baffle plates are arranged on one side of the end plate facing the first plate, and one end, far away from the second through hole, of each baffle plate inclines towards the axial direction close to the second through hole.

Through above-mentioned technical scheme, adopt the principle of tesla valve with a plurality of baffles to arrange for fluid flows into from the second through-hole, in can be quick through first through-hole entering combustor, fluid flows out from first through-hole, will receive the resistance of baffle, thereby satisfying under the condition of circulation ratio, blocks most noise, has reduced the intensity that the noise propagated.

Preferably, the baffle plates are respectively arranged on two sides of the axis of the second through hole.

Through above-mentioned technical scheme, all set up the baffle through the both sides at the second through-hole for the sound wave of broadcasting from first through-hole both sides can all be blocked through the baffle, further noise propagation's intensity.

Preferably, the baffles on two sides of the axis of the second through hole are symmetrically arranged or staggered; and/or a plurality of baffles are arranged at intervals along the axial direction of the second through hole.

Through above-mentioned technical scheme, with a plurality of baffles symmetry, interval setting for the air flows in from the second through-hole, and the baffle can not cause any adverse effect to the flow of air, can accelerate the air flow even and flow to first through-hole department, but the noise propagation in the first cavity will receive the hindrance, and the sound wave spreads from first through-hole, and the reposition of redundant personnel can all appear at every baffle of passing through to the sound wave, makes between the sound wave offset each other, effective noise reduction spreads.

Preferably, the angle of inclination of the baffle towards the axial direction of the second through hole is between 30 and 60 degrees.

Through the technical scheme, the inclination angle of the baffle is controlled within a reasonable range, so that the whole device is in the best noise reduction state.

Preferably, one end of the baffle, which is far away from the end plate, abuts against the first plate.

Through above-mentioned technical scheme, with baffle and first plate butt to avoid the sound wave from propagating to the external world in the clearance between baffle and the first plate, guarantee most sound wave and through the obstruction of baffle, reached the effect of making an uproar.

Preferably, a partition plate is further arranged in the housing, the partition plate extends along the axial direction of the second through hole, one end of the partition plate abuts against the end plate, the other end of the partition plate abuts against the first plate, and the partition plate divides the second chamber into a plurality of independent flow passage areas; each runner region is correspondingly provided with the first through hole and the second through hole.

Through the technical scheme, the plurality of independent flow channel regions are divided in the housing through the partition plates, so that the propagation points of the sound waves transmitted to the second chamber are increased, the noise reduction effect is favorably increased, and the flow channel regions are divided more and thinner under the condition of permission of size conditions, and the noise reduction effect on the overall structure of the box body is better.

Preferably, the flow passage area includes a first flow passage area and at least one second flow passage area, the first plate and the end plate in the first flow passage area are correspondingly provided with mounting holes, and the baffle plate is arranged in the second flow passage area.

Through the technical scheme, the flow passage area is divided functionally, wherein the mounting hole in the first flow passage area is used for penetrating through the smoke pipe, so that the whole equipment is convenient to mount and adapt; the baffle is arranged in each second flow channel area, so that sound waves passing through the second flow channel area can be blocked, and the strength of noise transmitted out of the box body is reduced.

Preferably, the baffle abuts against a side wall of the second flow channel region, and a flow dividing column is fixed on the second flow channel region corresponding to each baffle.

Through above-mentioned technical scheme, baffle and the regional interior lateral wall butt of second runner have restricted the noise and have propagated from the regional both sides of second runner for the noise is propagated from two between the baffle, and the increase of reposition of redundant personnel post plays further hindrance effect, reinforcing overall structure's noise reduction effect to the propagation of noise.

Preferably, the baffle is abutted against the side wall of the second flow passage area, and air holes are formed in the second flow passage area corresponding to each baffle.

Through the technical scheme, the air holes are formed, so that fluid can enter the combustor from the end plate corresponding to the second flow channel area into the second cavity, and the requirement of the combustor for gas is met.

Preferably, the cover is detachably fixed to the box body.

Through the technical scheme, on one hand, the connection between the housing and the box body is facilitated; on the other hand, the cover shell and the box body are convenient to disassemble, and the cover shell is convenient to clean, maintain and even replace subsequently.

Preferably, the first through hole and the second through hole are arranged in a grid.

Through the technical scheme, the grid-type through holes can facilitate the entrance of gas with large flow rate so as to meet the requirement on oxygen in the working process of the gas water heater.

The utility model also provides a gas water heater contains as above the box.

Preferably, the first plate is arranged at the upper end of the gas water heater, and the first chamber is used for accommodating a burner and a fan.

Through above-mentioned technical scheme, in gas heater's actual installation, gas heater is close to gas piping erection usually, and adopts the mounting means that the high-order hangs more, and first plate is located gas heater's upper end for the propagation position of noise keeps away from the people, and at the in-process that the noise propagated to people's ear, the overlength distance made the rapid decay of middle and high frequency's noise, was favorable to falling the noise.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: the first through hole and the second through hole are arranged at two opposite ends of the first plate, the propagation path of the sound wave is prolonged, the transmission direction of the sound wave is changed for many times, a certain noise value can be relatively reduced by utilizing the collision between the sound wave and the side walls of the box body and the housing, and the defect of high noise in the working process of the gas water heater is effectively overcome.

The utility model provides a plurality of baffles adopt the principle of tesla valve for fluid flows in from the second through-hole, in can be quick get into the combustor through first through-hole, fluid flows out from first through-hole, will receive the resistance of multilayer baffle, thereby satisfying under the condition of circulation ratio, blocks most noises, has greatly reduced the intensity that the noise propagated.

Drawings

Fig. 1 is an isometric view of a gas water heater according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first plate of a gas water heater according to an embodiment of the present invention;

fig. 3 is a schematic view of an external structure of a housing of a gas water heater according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a housing of a gas water heater according to an embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a relative relationship between a point B and an angle γ 1 of a gas water heater according to an embodiment of the present invention;

fig. 6 is a schematic diagram illustrating a relative relationship between a point B, an angle γ 1 and an angle γ 2 of the gas water heater according to an embodiment of the present invention;

fig. 7 is a schematic diagram illustrating a relationship between an angle α and an angle β of a gas water heater according to an embodiment of the present invention;

fig. 8 is a schematic diagram illustrating decoupling between a splitter column and an air vent in an embodiment of the gas water heater of the present invention;

FIG. 9 is a schematic view of a gas water heater according to an embodiment of the present invention illustrating the flow of fluid in the housing;

fig. 10 is a schematic view illustrating the flow direction of sound waves in the housing of a gas water heater according to an embodiment of the present invention.

Description of reference numerals:

a tank body 1;

a first chamber 11;

a first plate member 12;

a first through-hole 121;

a fixing hole 122;

a housing 2;

a second chamber 21;

first flow channel region 211;

a second flow channel region 212;

a second through hole 22;

a partition plate 23;

a baffle 24;

a splitter column 25;

air holes 26;

a buckle 27;

an ear plate 28;

an end plate 29;

and a mounting hole 3.

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

Referring to fig. 1, 2 and 3, the present invention provides a box body for gas water heaters of various types. Specifically, the box body comprises a box body 1 and a cover 2, the box body 1 is provided with a closed first chamber 11, the first chamber 11 can be used for installing various parts of a gas water heater, and the cover 2 is arranged at the top of the box body 1 and forms a closed second chamber 21 with the box body 1; the box body 1 is provided with a first plate 12, the first plate 12 is located at the top of the box body 1, a first through hole 121 communicating the first cavity 11 and the second cavity 21 is formed in the first plate 12, and a second through hole 22 communicating the second cavity 21 with the outside is formed in the side wall of the housing 2.

It should be noted that the first plate 12 has a first end and a second end opposite to each other, wherein the first through hole 121 is located on the first plate 12 near the first end, and the second through hole 22 is located on the sidewall of the housing 2 near the second end of the first plate 12; in water heater actual work, various spare parts in the case body 1 will produce combustion noise, rivers noise, fan air current noise etc. the utility model provides a this box, at the in-process of above-mentioned noise to external propagation, through prolonging the propagation path of sound wave to change the direction of sound wave transmission many times, utilize the sound wave and case body 1, the certain noise of reduction that the collision can be relative between the lateral wall of housing 2 to divide, effectively alleviate the big defect of gas heater noise in the working process.

In this embodiment, first through-hole 121 and second through-hole 22 all are the grid setting, the utility model provides a first through-hole 121 and second through-hole 22 can be with the required gas of case body 1 internal burner during operation through first through-hole 121 and the input of second through-hole 22 in gas heater actual work process, and in this place, the through-hole of grid type can be convenient for gaseous large-traffic entering to satisfy the demand to oxygen in the gas heater working process.

Referring to fig. 3 and 4, in the present embodiment, a partition plate 23 is further connected in the housing 2, the partition plate 23 extends along an axis of the second through hole 22, two ends of the partition plate 23 in the length direction are connected to two opposite side walls of the housing 2, a first end of the partition plate 23 in the width direction is connected to an end plate 29 on the housing 2, another end of the partition plate 23 in the width direction abuts against the first plate 12, the partition plate 23 divides the second chamber 21 into a plurality of independent flow channel regions, and each flow channel region is correspondingly provided with a first through hole 121 and a second through hole 22; when the size condition allows, the more and the thinner the flow channel region is divided, the better the noise reduction effect on the entire structure of the case is.

Specifically, the flow passage area comprises a first flow passage area 211 and at least one second flow passage area 212, the first plate 12 and the end plate 29 in the first flow passage area 211 are correspondingly provided with mounting holes 3, the first plate 12 and the mounting holes 3 on the end plate 29 allow smoke pipes to pass through, and the second flow passage area 212 is connected with a plurality of baffles 24; the distribution and number of the first flow channel region 211 and the second flow channel region 212 on the housing 2 can be defined according to the connection condition of the actual pipeline and the size parameter of the housing 2 corresponding to the tank body 1. In the present embodiment, the first flow channel region 211 is located at a middle portion of the housing 2, and the second flow channel regions 212 are symmetrically disposed on the housing 2 along the first flow channel region 211; it should be noted that, when the housing 2 is a plastic part, the mounting hole 3 on the first plate 12 is larger than the diameter of the smoke tube, and the air outlet end of the smoke tube passes through the mounting hole 3 on the first plate 12 and is spaced from the mounting hole 3, so as to prevent the high-temperature smoke discharged from the smoke tube from contacting the housing 2.

Referring to fig. 3 and 4, in the present embodiment, the box further includes a plurality of baffles 24, the baffles 24 are fixed on the housing 2 and located in the second chamber 21 and distributed in the second flow channel regions 212; specifically, the housing 2 has an end plate 29 opposite to the first plate 12, and the plurality of baffle plates 24 are connected to a side of the end plate 29 facing the first plate 12 and located between the first plate 12 and the end plate 29, and it should be noted that one end of the baffle plate 24 is connected to the end plate 29 of the housing 2, and the other end is abutted to the first plate 12 of the box body 1; this kind of setting for burning noise, rivers noise, fan air current noise etc. that produce in the first cavity can pass through the obstruction of baffle 24, and the intensity that the noise reduction spreads the box.

Referring to fig. 3 and fig. 4, one end of the baffle 24 away from the second through hole 22 is inclined toward the axial direction close to the second through hole 22, that is, the baffle 24 is inclined along the air intake direction of the second through hole 22; specifically, the plurality of baffles 24 are distributed on two axial sides of the second through hole 22, and the baffles 24 on the two sides of the second through hole 22 are arranged at intervals along the direction from the first end to the second end on the first plate 12; in an embodiment of the present invention, the baffles 24 on both sides of the central axis of the second through hole 22 are symmetrically disposed, and furthermore, in other embodiments of the present invention, the baffles 24 on both sides of the central axis of the second through hole 22 can also be disposed in a staggered manner. The utility model discloses in, to the mode of setting up of baffle 24, as long as satisfy the principle of tesla valve can, fluid flows in from second through-hole 22 promptly, and in the quick first through-hole 121 that passes through got into the combustor, fluid flowed out from first through-hole 121, will receive multilayer baffle 24's resistance for fluid flow weakens even slowly.

In the present embodiment, referring to fig. 9 and 10, air flows in from the second through holes 22, the baffle 24 does not cause any adverse effect on the flow of the air, and even accelerates the flow of the air to the first through holes 121, but noise propagation in the first chamber 11 will be blocked, the sound waves are transmitted from the first through holes 121, and the sound waves are split every time they pass through one baffle 24, so that the sound waves are cancelled each other, and the transmission of the noise is effectively reduced.

In order to set the baffle 24 to the optimum noise reduction state, the present invention limits the inclination angle of the baffle 24, the position of the baffle 24 relative to the first plate 12 in any of the second flow passage regions 212, and the relative relationship between the baffle 24 and the first through-hole 121 in any of the second flow passage regions 212.

Specifically, in the present embodiment, for an example of the baffle 24 of any one of the second flow channel regions 212, please refer to fig. 5, 6 and 7, where a central point (denoted as point a) of the first through hole 121, two sides of the first through hole 121 are a noise introducing boundary (denoted as point B), an inclination angle (denoted as angle β) of the baffle 24, an angle (denoted as angle γ 1) at which noise effectively propagates at the point B, and an angle (denoted as angle α) at which noise effectively propagates at the point a;

referring to fig. 5, the position of the point B determines the propagation degree of noise points on both sides of the first through hole 121, and depends on the size of the angle γ 1, and from the propagation path of the acoustic wave at the point B, the smaller the effective propagation angle γ 1, the better the noise reduction effect, and by approaching the point B to the point a, the effective propagation angle γ 1 can be gradually reduced; please refer to fig. 6, when the point B moves to a certain position, a noise at the point B will appear in a propagation path in another direction, and the angle (denoted as angle γ 2) of the propagation path will be unfavorable for the noise reduction effect of the whole box, so that the point B can be close to the point a under the condition that the point B satisfies the air flow area, and the smaller the angle γ 1, the better the angle γ 2 is, but the less the angle γ 2 is.

In addition, referring to fig. 7, the angle α for the sound wave propagation in the middle area of the first through hole 121 corresponding to the point a is determined, and the smaller the angle α is, the better the noise reduction effect is, from the propagation path of the sound wave at the point a, it should be noted that the size of the angle α is determined by two factors, wherein one factor is the distance between the first end and the second end of the first plate 12, the larger the distance is, the smaller the angle α is, and the other factor is the size of the angle β, the larger the angle β is, the smaller the angle α is; since an excessively small angle α affects the flow of the fluid in the second chamber 21, the angle α is between 30 ° and 60 ° in the present embodiment, and the angle (angle β) at which the baffle plate 24 is inclined in the axial direction of the second through hole 22 is between 30 ° and 60 ° derived from the angle α.

Referring to fig. 8, in another embodiment of the present invention, the baffles 24 in the second flow channel region 212 are symmetrically disposed along the central axis of the second through hole 22, the baffles 24 abut against the side wall in the second flow channel region 212, and in addition, a splitter 25 is fixed in the second flow channel region 212 corresponding to each baffle 24. Baffle 24 and the regional 212 interior lateral wall butt of second flow channel have restricted the noise and have propagated from the both sides of the regional 212 of second flow channel for the noise is from propagating between two lists of baffles 24, and the increase of reposition of redundant personnel post 25 plays further hindrance effect to the propagation of noise, reinforcing overall structure's noise reduction effect.

Referring to fig. 8, in another embodiment of the present invention, the baffles 24 in the second flow channel region 212 are symmetrically disposed along the central axis of the second through hole 22, the baffles 24 are abutted against the side wall in the second flow channel region 212, and the second flow channel region 212 is provided with air holes 26 corresponding to each baffle 24. The openings of the vents 26 allow fluid to pass from the end plate 29 of the second flow path region 212 into the second chamber 21 to facilitate fluid entry into the burner to meet the burner gas demand.

Referring to fig. 1, 2 and 3, in the present embodiment, the cover 2 is detachably connected to the box body 1. Specifically, the buckles 27 are integrally formed on the two opposite side walls of the housing 2, the fixing holes 122 are formed in the first plate 12 of the box body 1, the buckles 27 correspond to the fixing holes 122 one to one, and the housing 2 and the box body 1 are connected through the embedding and matching of the buckles 27 and the fixing holes 122. In addition, in order to further enhance the connection strength between the cover 2 and the box body 1, an ear plate 28 is integrally formed on the cover 2 on the side corresponding to the first end of the first plate 12, and the installation firmness between the cover 2 and the box body 1 is enhanced by the threaded connection between the ear plate 28 and the side wall of the box body 1.

Referring to fig. 1, the present invention further provides a gas water heater, which includes the above-mentioned box, wherein the first chamber 11 is used for accommodating parts such as a burner, a fan, and a controller; it should be noted that, in the actual installation process of the gas water heater, the gas water heater is usually installed close to the gas pipeline, and a high-level suspension installation mode is mostly adopted, the first plate 12 is located at the upper end of the gas water heater, so that the propagation position of noise is far away from people, and in the process of propagating the noise to human ears, the overlong distance quickly attenuates the medium-high frequency noise, which is beneficial to noise reduction.

To sum up, the utility model arranges the first through hole 121 and the second through hole 22 at the two opposite ends of the first plate 12, and can reduce certain noise by using the collision between the sound wave and the side walls of the box body 1 and the housing 2 by prolonging the propagation path of the sound wave and changing the direction of the sound wave transmission for many times, thereby effectively alleviating the defect of large noise in the working process of the gas water heater; furthermore, the utility model provides a plurality of baffles 24 adopts the principle of tesla valve for fluid flows in from second through-hole 22, and in the first through-hole 121 that passes through that can be quick got into the combustor, fluid flowed out from first through-hole 121, will receive multilayer baffle 24's resistance, thereby satisfying under the condition of circulation ratio, block most noise, greatly reduced the intensity of noise propagation. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (15)

1. A box body comprises a box body, wherein the box body comprises a first plate, and the box body is characterized in that the box body is provided with a closed first cavity, and a first through hole communicated with the first cavity is formed in the first plate;

the box body further comprises a cover shell, the cover shell is arranged on the first plate and forms a closed second cavity, the first through hole is located on the inner side of the cover shell, and a second through hole communicated with the second cavity is formed in the side wall of the cover shell.

2. The cabinet of claim 1, wherein the first panel has opposite first and second ends, the first through-hole being proximate the first end and the second through-hole being proximate the second end.

3. A cabinet as claimed in claim 2, wherein the cabinet includes a plurality of baffle plates, the cover has an end plate opposed to the first panel, the baffle plates are provided on a side of the end plate facing the first panel, and an end of the baffle plates remote from the second through hole is inclined toward an axis line adjacent to the second through hole.

4. The cabinet as claimed in claim 3, wherein the baffle is provided on both sides of the axis of the second through hole.

5. The cabinet as claimed in claim 4, wherein the baffles on both sides of the axis of the second through hole are symmetrically or alternately arranged; and/or

And a plurality of baffles are arranged at intervals along the axis direction of the second through hole.

6. A cabinet as claimed in claim 3, wherein the baffle is inclined at an angle of between 30 ° and 60 ° to the axis of the second through hole.

7. A cabinet as claimed in claim 3, wherein an end of the baffle remote from the end plate abuts the first panel.

8. A housing as claimed in claim 3, wherein a partition is provided in said casing, said partition extending in the axial direction of said second through hole, one end of said partition abutting said end plate and the other end of said partition abutting said first plate, said partition dividing said second chamber into a plurality of independent flow passage areas;

each runner region is correspondingly provided with the first through hole and the second through hole.

9. The cabinet of claim 8 wherein said flow path regions include a first flow path region and at least a second flow path region, said first panel and said end panel in said first flow path region having corresponding mounting holes therein, said baffle plate in said second flow path region.

10. The cabinet of claim 9, wherein the baffles abut sidewalls of the second flow path region, and a splitter post is secured to the second flow path region corresponding to each baffle.

11. The cabinet as claimed in claim 9, wherein the baffle abuts against a sidewall of the second flow path region, and a vent is formed in the second flow path region corresponding to each baffle.

12. A cabinet as claimed in claim 1, wherein the cover is removably secured to the cabinet body.

13. The cabinet as claimed in claim 1, wherein the first through holes and the second through holes are arranged in a grid.

14. A gas water heater comprising a tank as claimed in any one of claims 1 to 13.

15. The gas water heater of claim 14, wherein said first plate is disposed at an upper end of said gas water heater, and wherein said first chamber houses a burner and a fan therein.

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