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Gas supercharger and gas equipment

A supercharger and gas technology, which is applied in the direction of burners, mechanical equipment, lighting and heating equipment, etc., can solve the problems of natural gas leakage, natural gas leakage explosion, etc., and achieve the effect of improving sealing performance and improving safety and reliability

Pending Publication Date: 2021-03-05
QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the medium delivered by the gas booster pump is flammable and explosive natural gas, natural gas is prone to leak to the motor part of the booster pump during actual use, and the rotating shaft of the motor is installed on the housing of the motor through bearings. Gas is easy to enter the motor through the connecting part of the rotating shaft, resulting in the danger of natural gas leakage and explosion

Method used

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  • Gas supercharger and gas equipment
  • Gas supercharger and gas equipment
  • Gas supercharger and gas equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] In order to reduce or avoid the deflagration of the motor due to gas leakage, a connecting shaft 20 is provided on the fan 2, and the connecting shaft 20 protrudes to the outside of the booster cavity 100 in a sealed manner; and one end of the rotating shaft 34 protrudes to the housing 31 and connected with the connecting shaft 20. Specifically, the connecting shaft 20 extends from the inside of the booster chamber 100 to the outside in a sealed manner. In this way, the connecting shaft 20 adopts a sealed connection design, which can effectively reduce the leakage of gas from the installation position of the fan 2. In this way, it can The leakage of gas from the pressurized chamber 100 into the installation chamber 200 is reduced. In addition, for the motor 3 in the installation cavity 200 , when the motor 3 is powered by the cable 30 , the electric spark generated inside the motor 3 is easy to ignite the gas leaking into the installation cavity. For this reason, the e...

Embodiment 2

[0051] In order to effectively improve the air supply efficiency and improve the working efficiency of the supercharger, the following structural improvements are made to the fan 2 . The fan 2 includes a wind wheel 21, a plurality of first blades 22 and a plurality of second blades 23, the first blades 22 and the second blades 23 are alternately distributed around the axis of the wind wheel 21, and the first blades 22 are provided with The first tip 221 extending in the direction of the inlet 102, the second vane 23 is provided with a second tip 231 extending in the direction of the air inlet 102; the first tip 221 is located in the air inlet 102, and the second tip 231 is located in the air inlet 102 outside.

[0052] Specifically, alternately arranged first blades 22 and second blades 23 are used on the wind rotor 21 of the fan 2, wherein the height of the first tip 221 on the first blade 22 above the surface of the wind rotor 21 will be greater than that of the second blade...

Embodiment 3

[0060] Based on the above two examples, such as Figure 8Shown is an embodiment of a gas appliance with a gas supercharger. In this embodiment, the gas equipment is represented by a gas water heater, and a gas water heater generally includes a water heater body 100, wherein the water heater body 100 usually includes components such as a burner 101, and the specific structure of the water heater body 100 is not described here. limit. The burner 101 is configured to connect to the gas supercharger 200, and the specific structure of the gas supercharger 200 can refer to the embodiment of the gas supercharger of the present invention and the attached Figure 1-Figure 7 records will not be repeated here.

[0061] In order to control the operation of the gas supercharger 200 more accurately, the gas water heater is also equipped with a gas pressure detection module 300, which is connected to the pipeline between the gas outlet 102 of the gas supercharger 200 and the burner 101 and...

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PUM

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Abstract

The invention discloses a gas supercharger and gas equipment. The gas supercharger comprises a shell, a fan and a motor, wherein a supercharging cavity and a mounting cavity are formed in the shell; agas inlet and a gas outlet which communicate with the supercharging cavity are further formed in the shell; the fan is located in the supercharging cavity and used for supercharging and conveying gasintroduced from the gas inlet to the gas outlet; a connecting shaft is arranged on the fan; the connecting shaft extends out of the supercharging cavity in a sealed mode; the motor is arranged in themounting cavity and comprises a shell, a stator, a rotor and a rotating shaft; the rotor is arranged on the rotating shaft; the stator and the rotor are arranged in the shell; and one end of the rotating shaft extends out of the shell in a sealed mode and is connected with the connecting shaft. According to the gas supercharger and the gas equipment provided by the invention, the sealing performance of the gas supercharger is improved, so that the safety and the reliability of the gas equipment are improved.

Description

technical field [0001] The invention belongs to the technical field of household appliances, in particular to a gas supercharger and gas equipment. Background technique [0002] At present, gas equipment (gas water heater, gas furnace, etc.) is a household appliance commonly used in people's daily life. Usually, the gas valve of the gas equipment is directly connected to the gas pipeline. When in use, the gas valve is opened to allow the gas to enter the gas equipment. and ignited by an igniter for combustion. [0003] Due to the influence of gas pipeline pressure fluctuations, in order to ensure that the gas pressure meets the requirements of gas equipment, Chinese Patent Application No. 201510640505.9 discloses a gas water heater gas automatic booster device and method, using a gas booster pump to control the gas pressure , to meet the gas demand requirements of gas water heaters. However, since the medium delivered by the gas booster pump is flammable and explosive natu...

Claims

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Application Information

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IPC IPC(8): F04D25/06F04D29/42F04D29/053F04D29/054F04D29/12F23D14/46
CPCF04D25/0606F04D29/053F04D29/054F04D29/122F04D29/4206F23D14/46
Inventor 李键孙运磊刘云王龙强
Owner QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER