CN212962220U - Gas water heater - Google Patents

Gas water heater Download PDF

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Publication number
CN212962220U
CN212962220U CN202021678927.8U CN202021678927U CN212962220U CN 212962220 U CN212962220 U CN 212962220U CN 202021678927 U CN202021678927 U CN 202021678927U CN 212962220 U CN212962220 U CN 212962220U
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water heater
wind pressure
gas water
assembly
impeller
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CN202021678927.8U
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Chinese (zh)
Inventor
韩君庆
潘叶江
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Vatti Co Ltd
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Vatti Co Ltd
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Abstract

The utility model provides a gas water heater, which comprises a gas water heater body, a smoke exhaust pipe, an exhaust component, a rotating component and a transmission component; the exhaust assembly is arranged on the smoke exhaust pipe and is connected with the rotating assembly through the transmission assembly; the gas water heater also comprises a wind pressure sensor and a controller connected with the wind pressure sensor; the wind pressure sensor is arranged outside the pipe wall of the smoke exhaust pipe and used for detecting an external wind pressure value, transmitting the wind pressure value to the controller for comparison and analysis and controlling the starting of the air exhaust assembly; the problems of backflow of the flue gas and waste gas are solved.

Description

Gas water heater
Technical Field
The utility model relates to a gas heater technical field especially relates to a gas heater.
Background
When the gas water heater is in operation, a part of water is atomized into water vapor, and the water vapor causes the problems of aging and the like of internal parts in the gas water heater, so that a smoke exhaust pipe is needed to remove the water vapor; and because the flue gas is directly discharged, the energy in the flue gas is easy to cause waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas heater, it can overcome the above-mentioned defect because directly discharge the flue gas and cause the waste of energy.
To achieve the above object, the solution of the present invention is:
a gas water heater comprises a gas water heater body, a smoke exhaust pipe, an exhaust assembly, a rotating assembly and a transmission assembly;
the exhaust assembly is arranged on the smoke exhaust pipe and is connected with the rotating assembly through the transmission assembly;
the gas water heater also comprises a wind pressure sensor and a controller connected with the wind pressure sensor;
the wind pressure sensor is arranged outside the pipe wall of the smoke exhaust pipe to detect an external wind pressure value, and the wind pressure value is transmitted to the controller to be compared and analyzed, so that the air exhaust assembly is controlled to be started.
Further, the exhaust assembly comprises an impeller and a driving motor, and the impeller is arranged in the smoke exhaust pipe and connected with the driving motor.
Further, the impeller is transversely arranged in the smoke exhaust pipe, namely blades of the impeller are perpendicular to the inner wall of the smoke exhaust pipe.
Further, the rotating assembly is arranged at the bottom of the gas water heater body.
Further, the rotating assembly is in toothed or sliding connection with the transmission assembly.
Further, the rotating assembly comprises a rotating impeller and a rotating box for placing the rotating impeller.
Furthermore, the rotary impellers are provided with two or more than two rotary impellers, and the rotary impellers are arranged in the rotary box side by side.
Further, the transmission assembly comprises a driving connecting rod and a belt, and the driving connecting rod is connected with the rotary impeller through the belt.
Further, the air exhaust assembly is connected with the transmission assembly.
Further, the driving motor is connected with the driving connecting rod.
Furthermore, the flue gas in the smoke exhaust pipe pushes the impeller to rotate, drives the driving connecting rod to rotate, and drives the rotating impeller to rotate.
Furthermore, the gas water heater also comprises a wind pressure sensor and a controller, wherein the wind pressure sensor is arranged outside the wall of the smoke exhaust pipe and used for detecting an external wind pressure value and transmitting the wind pressure value to the controller;
the controller controls the air exhaust assembly to start.
Further, the controller controls the rotating speed of the driving motor.
Furthermore, at least two wind pressure threshold values are arranged in the controller, and the sizes of the wind pressure threshold values are sequentially increased.
After the technical scheme is adopted, when the gas water heater works, smoke is discharged through the smoke discharge pipe, and the direct discharge inevitably causes energy waste, so that the exhaust assembly is arranged in the smoke discharge pipe, the smoke can be subjected to working rotation through the energy of the smoke, the transmission assembly is driven and connected with the rotating assembly, and when the transmission assembly rotates, the rotating assembly also rotates simultaneously, so that more air is introduced into the gas burner, the combustion efficiency is improved, and the characteristic of waste gas utilization can be achieved;
secondly, be used for detecting external wind pressure through the wind pressure sensor, with numerical value transmission to the controller that detects, the controller control air exhaust subassembly start, when external wind pressure is big enough, the intraductal flue gas discharge difficulty of discharging fume can cause the flue gas to flow backward the problem, consequently through the start-up of the subassembly of airing exhaust, will provide outside effort for the flue gas and make the flue gas can discharge the pipe of discharging fume to reach and avoid the flue gas to flow backward the scheduling problem.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of a gas water heater according to an embodiment of the present invention;
fig. 2 is an exploded perspective view of a gas water heater according to an embodiment of the present invention;
fig. 3 is a perspective view of an exhaust assembly of a gas water heater according to an embodiment of the present invention;
fig. 4 is a partial enlarged view of a portion a of the gas water heater shown in fig. 2 according to an embodiment of the present invention;
fig. 5 is a partial enlarged view of a portion B of fig. 2 of the gas water heater according to an embodiment of the present invention;
fig. 6 is a perspective view of a rotary assembly of a gas water heater according to an embodiment of the present invention;
fig. 7 is an exploded perspective view of a rotary assembly of a gas water heater according to an embodiment of the present invention;
fig. 8 is a perspective view of a rotary impeller of a gas water heater according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example (b):
as shown in fig. 1, 2, 3, 4, 5 and 6, the gas water heater is mainly used for utilizing waste gas of flue gas in a smoke exhaust pipe 2 and reducing energy loss; the device comprises a gas water heater body 1, a smoke exhaust pipe 2, an exhaust component 3, a rotating component 4 and a transmission component 5;
the exhaust assembly 3 is arranged in the smoke exhaust pipe 2, and the exhaust assembly 3 is connected with the rotating assembly 4 through a transmission assembly 5;
the gas water heater also comprises a wind pressure sensor and a controller, wherein the wind pressure sensor is fixedly arranged at the outlet pipe wall of the smoke exhaust pipe 2 and is used for detecting the external wind pressure value of the air of the smoke exhaust pipe 2, acquiring the magnitude of the wind pressure value, transmitting the magnitude of the wind pressure value to the controller and carrying out comparison analysis in the controller;
and controlling the starting of the air exhaust assembly 3 according to the analysis result of the controller.
By adopting the structure, the rotating component 4 can rotate under the transmission action of the transmission component 5, more air is introduced, and the combustion efficiency of the gas water heater is improved;
the smoke backflow prevention device can effectively prevent the smoke exhaust resistance in the smoke exhaust pipe 2 of the gas water heater from being too large when the external wind pressure is too large, so that the smoke backflow phenomenon is caused in the smoke exhaust pipe 2.
As shown in fig. 3, 4, 5 and 6, the exhaust assembly comprises an impeller 31 and a driving motor 32, the impeller 31 is arranged inside the smoke exhaust pipe 2 and mainly transversely arranged inside the smoke exhaust pipe 2, and blades of the impeller 31 are perpendicular to the pipe wall of the smoke exhaust pipe 2 and can provide thrust for smoke in the smoke exhaust pipe 2, so that the smoke can be smoothly exhausted and the smoke is prevented from flowing backwards;
the impeller 31 is connected with a driving motor 32, and the driving motor 32 can enable the impeller 31 to rotate to discharge smoke; when the waste gas is utilized, the driving motor 32 is not connected with the impeller 31, so that the driving motor 32 and the transmission assembly 5 are prevented from rotating simultaneously, unnecessary rotation is caused, and resources are wasted.
The rotating assembly 4 is arranged at the bottom of the gas water heater body 1, and the rotating assembly 4 is in toothed connection or sliding connection with the transmission assembly 5, specifically, in the embodiment, the sliding connection is adopted; with this structure, the rotation member 4 can rotate simultaneously with the transmission member 5.
As shown in fig. 2, 3 and 4, by using the exhaust assembly 3, the rotating assembly 4 and the transmission assembly 5, when the external air pressure is low, the smoke in the smoke exhaust pipe 2 can be discharged by itself, and at this time, in order to avoid waste of energy in the smoke, the driving fan 32 is not started, and the impeller 31 is connected with the transmission assembly 5;
when the flue gas rises, can promote impeller 31 and rotate, through the tooth joint with drive assembly 5, consequently can drive assembly 5 and rotate, and link to each other with rotating assembly 4 through sliding connection, consequently rotating assembly 4 can rotate together with air exhaust assembly 3 to this realizes that rotating assembly 4 drives more air admission gas heater, improves gas heater's combustion efficiency, carries out waste gas utilization for the flue gas that produces.
As shown in fig. 6, 7 and 8, the rotating assembly 4 comprises a rotating impeller 41 and a rotating box 42 for placing the rotating impeller 41, and the rotating assembly 4 is arranged at the bottom of the gas water heater body 1 and is used for supplying more air required for combustion to the gas water heater;
two or more rotary impellers 41 are arranged side by side in the rotary box 32 for introducing more air; specifically, four rotary impellers 41 are employed in the present embodiment and are disposed side by side in the rotary cassette 32.
As shown in fig. 3, wherein the transmission assembly 5 includes a driving link 51 and a belt 52, the driving link 51 is connected to the impeller 31 in the exhaust assembly 3, so that the impeller 31 drives the driving link 51 to rotate; the driving connecting rod 51 is connected with the rotating impeller 41 through a belt 52, so that the rotating impeller 41 is driven to rotate, and the energy utilization rate of the flue gas is increased.
In addition, gas heater still includes wind pressure sensor and controller, and wind pressure sensor is fixed to be set up in the export pipe wall department of discharging fume 2 for detect the external wind pressure numerical value of 2 air of discharging fume, and obtain wind pressure numerical value size, transmit wind pressure numerical value size to the controller, carry out comparative analysis in the controller, according to the analysis result of controller, control the start-up of subassembly 3 of airing exhaust.
Specifically, the controller controls the start of the driving motor 32, the controller controls the rotation speed of the driving motor 32, and when the external wind pressure is too large, the controller controls the rotation speed of the driving motor 32 to be increased, so that the smoke in the smoke exhaust pipe 2 can be exhausted.
After adopting structures such as wind pressure sensor, controller and the subassembly of airing exhaust, can prevent effectively that when external wind pressure was too big, the flue gas discharge resistance in the gas heater exhaust pipe 2 was too big, causes backward flow to the pipe 2 of discharging fume in, causes the backward flow of smoke phenomenon.
Specifically, at least two wind pressure thresholds are arranged in the controller, the wind pressure thresholds are sequentially increased in size, and the rotating speed of the driving motor 32 can be adjusted through the controller by setting different wind pressure thresholds;
the wind pressure value measured by the wind pressure sensor is compared with a wind pressure threshold value, so as to actuate and control the rotating speed of the driving motor 32.
By adopting the structure, when the external wind pressure is small, the smoke can be smoothly discharged out of the smoke exhaust pipe 2, therefore, the impeller 31 is in tooth joint with the transmission component 5, the smoke moves upwards along the smoke exhaust pipe 2, the energy of the smoke provides the impeller 31 with upwards thrust to push the impeller 31 to rotate, and then the driving connecting rod 51 is pushed to rotate;
secondly, the rotating impeller 41 can rotate along with the impeller 31 through the transmission action of the belt 52; so as to avoid the loss of the energy of the flue gas, increase the utilization rate of the waste gas and improve the combustion efficiency of the gas water heater;
at this time, the impeller 31 is disconnected from the driving motor 32, so that the transmission assembly 5 and the driving fan are prevented from rotating simultaneously, and unnecessary waste is prevented.
When the external wind pressure is too large, the smoke cannot be discharged to cause the smoke backflow phenomenon; at the moment, the controller compares the external wind pressure value with an internally set threshold value;
after comparison and analysis, the driving motor 32 is started, the rotating speed of the driving motor 32 is controlled, at the moment, the impeller 31 is in tooth joint with the driving motor 32, the driving motor 32 drives the impeller 31 to rotate, the rotation of the impeller 31 can provide outward thrust for smoke, and the problems of smoke backflow and the like are prevented;
at this time, the driving fan 32 is connected to the impeller 31 to drive the impeller 31 to rotate, and the impeller 31 is disconnected from the transmission assembly 5.
Wherein, set up first wind pressure threshold value, second wind pressure threshold value and third wind pressure threshold value in the controller, its numerical value risees in proper order, and first wind pressure threshold value, second wind pressure threshold value and third wind pressure threshold value adopt 150pa, 200pa and 300pa respectively in this embodiment.
When the wind pressure sensor acquires that the wind pressure of external wind is less than 150pa, the wind pressure sensor transmits a wind pressure value to the controller, the controller receives a wind pressure value signal, the controller controls the rotating speed of the driving motor 32 to be zero, and the driving motor 32 is not started;
at the moment, the gas water heater generates smoke and moves upwards from the smoke exhaust pipe 2 to approach the impeller 31, the impeller 31 is pushed to rotate under the action of the smoke, the smoke is connected with the transmission piece 43 through gear connection, the transmission piece 43 is driven to rotate through the rotation of the impeller 31, and the rotating speed of the impeller 31 is high as the smoke quantity is larger;
the driving medium 43 passes through belt 5 or gear connection, adopts belt 5 to connect in this embodiment, links to each other with rotatory impeller 31 through belt 5, thereby driving medium 43 rotates and drives rotatory impeller 41 and rotate, improves the air content that gets into in the gas heater, improves combustion efficiency, has improved waste gas utilization efficiency, has less the waste of energy.
When the wind pressure sensor obtains that the external wind pressure value is greater than or equal to 150pa and less than 200pa, the connection between the transmission assembly 5 and the rotating impeller 41 is disconnected, that is, the connection between the belt 52 and the rotating impeller 41 is disconnected;
at this moment, because external wind pressure is too big, can cause the backward flow of flue gas, the flue gas of discharging fume 2 inside can not be discharged through self, therefore controller control driving motor 32 rotational speed sets up to 1000 revolutions per minute, and driving motor 32 links to each other with impeller 31 structure, consequently exerts an external force at impeller 31, and the flue gas discharge of discharging fume 2 in the pipe 2 of discharging fume, at this moment, the revolving force that impeller 31 provided is enough to discharge the flue gas in the pipe 2 of discharging fume, has prevented the backward flow problem of smoke.
When the wind pressure sensor acquires that the external wind pressure value is greater than or equal to 200pa and less than 300pa, the rotating speed of the driving motor 32 is set to 2000 revolutions per minute, and the problems of smoke backflow and the like in the smoke exhaust pipe 2 are prevented.
When the wind pressure sensor acquires that the external wind pressure value is greater than or equal to 300pa, the controller controls the driving motor 32 at the moment, the rotating speed of the driving motor is set to 3000 revolutions per minute, and the problems of smoke backflow and the like in the smoke exhaust pipe 2 are prevented.
The working process is as follows: three wind pressure thresholds are set in the controller and are respectively 150pa, 200pa and 300pa, the wind pressure controller detects an external wind pressure value and transmits the detected wind pressure value to the controller, the detected wind pressure value is compared and analyzed in the controller, if the detected wind pressure value is less than 150pa, the controller controls the rotating speed of the driving motor 32 to be zero, at the moment, the driving motor 32 is not started, the impeller 31 is pushed to rotate along with the increase of smoke in the exhaust pipe 2, the driving connecting rod 51 rotates along with the impeller 31 because the impeller 31 is connected with the driving connecting rod 51, and the driving connecting rod 51 is rotatably connected with the rotating impeller 41 of the fire exhaust air inlet through a belt 52, so the driving connecting rod 51 drives the rotating impeller 41 to rotate, the rotating impeller 41 presses air required by the gas water heater into a combustion chamber, the oxygen content of the air in the combustion chamber is increased, and the combustion utilization rate can be improved, and energy loss is avoided, and the combustion utilization rate is improved.
When the wind pressure controller detects that the numerical value of the external wind pressure is greater than or equal to 150pa and less than or equal to 200pa, the controller controls the rotating speed of the driving motor 32 to be 1000RPM, the driving motor 32 drives the impeller 31 to rotate, the problem that smoke generated by the gas water heater is blown back to the smoke exhaust pipe 2 by external wind to cause backflow of the smoke is prevented, and at the moment, the rotating speed of the driving motor 32 is enough to discharge the smoke; at this time, the belt 52 between the driving link 51 and the rotating impeller 41 is disconnected from transmission, and the rotating impeller 41 does not operate, thereby preventing the smoke from flowing backwards.
When the wind pressure controller detects that external wind pressure numerical value is greater than or equal to 200pa and less than or equal to 300pa, the controller control driving motor 32 rotational speed is 2000RPM, and driving motor 32 drives impeller 31 and rotates, prevents that external wind from blowing back the flue gas that gas heater produced to smoke exhaust pipe 2, causes the problem of smoke return backward flow, and the rotational speed of driving motor 32 is enough to discharge the flue gas this moment.
When the wind pressure controller detects that external wind pressure numerical value size is greater than or equal to 300pa, controller control driving motor 32 rotational speed is 3000RPM, and driving motor 32 drives impeller 31 and rotates, prevents that external wind from blowing back the flue gas that gas heater produced and discharging fume pipe 2, causes the problem of smoke return backward flow, and driving motor 32's rotational speed is enough to satisfy and can be discharged the flue gas this moment.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. A gas water heater is characterized by comprising a gas water heater body (1), a smoke exhaust pipe (2), an air exhaust assembly (3), a rotating assembly (4) and a transmission assembly (5);
the exhaust assembly (3) is arranged on the smoke exhaust pipe (2), and the exhaust assembly (3) is connected with the rotating assembly (4) through the transmission assembly (5);
the gas water heater also comprises a wind pressure sensor and a controller connected with the wind pressure sensor;
the wind pressure sensor is arranged outside the pipe wall of the smoke exhaust pipe (2) and used for detecting an external wind pressure value, and the wind pressure value is transmitted to the controller for comparative analysis and control, and the air exhaust assembly (3) is started.
2. A gas water heater according to claim 1, characterized in that said air exhaust assembly (3) comprises an impeller (31) and a driving motor (32), said impeller (31) being arranged inside said smoke exhaust pipe (2) and connected to said driving motor (32).
3. A gas water heater according to claim 2, characterized in that the impeller (31) is arranged transversely inside the smoke exhaust pipe (2), i.e. the blades of the impeller (31) are perpendicular to the inner wall of the smoke exhaust pipe (2).
4. A gas water heater according to claim 2, characterized in that said rotating assembly (4) is provided at the bottom of said gas water heater body (1).
5. A gas water heater according to claim 4, characterized in that said rotating assembly (4) is in toothed or sliding connection with said transmission assembly (5).
6. A gas water heater according to claim 4, characterized in that said rotating assembly (4) comprises a rotating impeller (41) and a rotating box (42) for housing said rotating impeller (41).
7. A gas water heater according to claim 6, characterized in that said rotary impeller (41) is provided in two or more and is arranged side by side in said rotary box (42).
8. A gas water heater according to claim 6, wherein the transmission assembly (5) comprises a drive link (51) and a belt (52), the drive link (51) being connected to the rotary impeller (41) by the belt (52).
9. A gas water heater according to claim 1, characterized in that said venting assembly (3) is associated with said transmission assembly (5).
10. A gas water heater according to claim 8, wherein said drive motor (32) is connected to said drive link (51).
11. A gas water heater according to claim 10, wherein the smoke in the smoke exhaust pipe (2) pushes the impeller (31) to rotate, drives the driving link (51) to rotate, and drives the rotary impeller (41) to rotate.
12. The gas water heater as claimed in claim 2, further comprising a wind pressure sensor and a controller, wherein the wind pressure sensor is arranged outside the wall of the smoke exhaust pipe (2) and used for detecting an external wind pressure value and transmitting the wind pressure value to the controller;
the controller controls the air exhaust assembly (3) to be started.
13. A gas water heater according to claim 12, wherein said controller controls the amount of rotational speed of said drive motor (32).
14. The gas water heater of claim 13, wherein at least two wind pressure thresholds are provided in said controller, and the magnitude of said wind pressure thresholds increases in sequence.
CN202021678927.8U 2020-08-11 2020-08-11 Gas water heater Active CN212962220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021678927.8U CN212962220U (en) 2020-08-11 2020-08-11 Gas water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021678927.8U CN212962220U (en) 2020-08-11 2020-08-11 Gas water heater

Publications (1)

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CN212962220U true CN212962220U (en) 2021-04-13

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Application Number Title Priority Date Filing Date
CN202021678927.8U Active CN212962220U (en) 2020-08-11 2020-08-11 Gas water heater

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112197431A (en) * 2020-08-11 2021-01-08 华帝股份有限公司 Gas water heater and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112197431A (en) * 2020-08-11 2021-01-08 华帝股份有限公司 Gas water heater and control method thereof

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