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Strong suction valve driving device of strong exhausting gas water heater

A gas-fired water heater and valve-driven technology, which is applied in the electrical field, can solve problems such as abnormal opening of solenoid valves, loss of control, safety accidents, etc., and achieve the effect of reducing the control process.

Active Publication Date: 2014-04-02
VATTI CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 3. If the self-priming valve is used to control the on-off of gas, when the drive tube of the maintenance coil drive circuit is broken down, the maintenance coil may be energized, and the solenoid valve may remain open and in a state of out of control
[0007] 5. If the strong suction valve is used to control the on-off of gas, when the driving tube driving the strong suction valve coil fails and is broken down, the strong suction valve may be energized, the solenoid valve will open abnormally, and it will be out of control, which will easily lead to security incident

Method used

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  • Strong suction valve driving device of strong exhausting gas water heater
  • Strong suction valve driving device of strong exhausting gas water heater

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Embodiment Construction

[0027] The following is a further detailed description in conjunction with the drawings and the embodiments of the present invention:

[0028] The forced suction solenoid valve on the water heater is abbreviated as the forced suction valve. It is the executive part of the thermostatic water heater. It is an on-off solenoid valve that opens or closes the valve port according to the electrical signal of the controller, which provides automatic control and safety protection. The role of.

[0029] Such as figure 1 As shown, a forced suction valve driving device for a forced exhaust gas water heater includes a controller 1, a wind pressure switch S2, a forced suction valve T4, and a temperature controller switch S5, between the controller 1 and the forced suction valve T4 The solenoid valve driving circuit 3 for driving and closing the forced suction valve T4 and maintaining the state is connected. The power input control end of the solenoid valve driving circuit 3 is connected to one e...

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Abstract

The invention discloses a strong suction valve driving device of a strong exhausting gas water heater, comprising a controller, an air pressure switch, a strong suction valve and a temperature controller switch, wherein a solenoid valve driving circuit which is used for driving and suction of the strong suction valve and state maintenance is connected between the controller and the strong suction valve; a power supply input control end of the solenoid valve driving circuit is connected with one end of a power supply through the air pressure switch; the other end of the strong suction valve is connected with the other end of the power supply through the temperature controller switch; an air pressure switch detection circuit is connected between the air pressure switch and the controller; the connecting point of the solenoid valve driving circuit and the strong suction valve is connected with a solenoid valve driving circuit detection circuit for detecting the size of an electric level; an output end of the solenoid valve driving circuit detection circuit is connected with a controller; and the controller is further connected with a draught fan. The strong suction valve driving device can effectively prevent the strong suction solenoid valve from being out of control caused by the fault of the controller, the fault of a driving tube or the fault caused by a high temperature, so as to avoid generating the potential safety hazard.

Description

[Technical Field] [0001] The invention relates to a forced suction valve driving device of a forced exhaust gas water heater, which belongs to the field of electricity. [Background technique] [0002] At present, ordinary forced-exhaust gas water heaters usually use MCU to directly or indirectly drive the solenoid valve coil to control the on and off of the gas. The prior art has the following disadvantages: [0003] 1. If the self-priming valve is used directly to control the gas on and off, when the MCU fails, the strong suction coil may be energized, and the solenoid valve will open abnormally and be out of control. [0004] 2. If the self-priming valve is used to control the gas on and off, when the drive tube of the forced-attracting coil drive circuit is broken down, the forced-attracting coil may be directly energized, and the solenoid valve will open abnormally and be out of control. [0005] 3. If the self-priming valve is used to control the gas on and off, when the drive tu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/06
Inventor 黄启均李国星
Owner VATTI CORP LTD
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