CN201983416U

CN201983416U - Automatic cut-off type gas water heater

Info

Publication number: CN201983416U
Application number: CN201120118939XU
Authority: CN
Inventors: 励土峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-12
Filing date: 2011-04-12
Publication date: 2011-09-21
Anticipated expiration: 2021-04-12

Abstract

The utility model relates to the field of household appliances, in particular to a gas water heater. The automatic cut-off type gas water heater comprises a casing, a burner, a heat exchanger, an exhaust flue, a water inlet pipe, a gas pipe, a water outlet pipe and a gas electronic proportional valve, wherein the exhaust flue is arranged at the top of the casing; the water inlet pipe, the gas pipe and the water outlet pipe are arranged at the bottom of the casing; the water inlet pipe is communicated with a water inlet of the heat exchange through a water inlet pipeline; the gas water heater further comprises a temperature sensor, a solenoid valve and a PLC (Programmable Logic Controller); the temperature sensor is arranged on the burner; the solenoid valve is arranged on a gas feeding pipeline; and the temperature sensor and the solenoid valve are respectively connected with the PLC. The temperature controller is arranged on the burner; when the burning is stopped once flame of the burner is extinguished or the burner has faults, the PLC controls the solenoid valve to be closed according to a signal of the temperature controller, and thus gas is prevented from being leaked, and the use safety of the water heater is ensured.

Description

Automatically the type of dying gas heater

Technical field

The utility model relates to household appliance technical field, relates in particular to a kind of gas heater.

Background technology

Along with people's living standard is more and more higher, everybody has had further requirement to the personal hygiene problem, more than general of particularly bathing aspect has been accomplished once, so sanitary bath equipment has been had higher requirement.At present the water heater that uses on the market has more the energy difference of use, roughly is divided into three kinds of electric heater, solar water heater and gas heaters.Wherein gas heater is with imflammable gas: liquefied petroleum gas, artificial coal gas, natural gas etc. are fuel carries out Fast Heating to water water heater, have thermal efficiency height, go out hot water fast, continue constant temperature, regulate easily, plurality of advantages such as volume is little, easy for installation, more and more be subjected to vast consumer's favor.

Existing gas heater mostly is Flue Gas Water Heater greatly, and basic structure mainly is made up of valve body assembly, burner, heat exchanger, safety device etc.Valve body assembly is being controlled the working procedure of whole water heater, and it comprises water valve, air valve, microswitch and igniter etc.When using water heater, must open gas valve and water intaking valve earlier.When opening water valve, the current inductor is sensed current, initial igniter and microswitch control, ignition combustion device.Combustion gas is in the combustion chamber internal combustion, and the heat of generation heats water by heat exchanger, and hot water flows out continually from delivery port.Because the combustion chamber blow-by of this class water heater, water heater is installed in indoor, and water heater needed oxygen of when burning is also taken from indoor, the waste gas that burning is produced by flue row to outdoor.During water heater working,, when combustion gas still continues to emit, promptly caused the combustion gas leakage, caused danger easily once flare is put out.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of type gas heater of dying automatically, and the burner of this water heater is once when closing, the PLC controller can cut out by autocontrol valve, has guaranteed safe in utilization.

The utility model is achieved in that a kind of type gas heater of dying automatically, comprise shell, burner, heat exchanger, exhaust uptake, water inlet pipe, Gas Pipe, outlet pipe and combustion gas electronics proportioning valve, described exhaust uptake is arranged on the top of shell, described water inlet pipe, Gas Pipe and outlet pipe are arranged on the bottom of shell, water inlet pipe is connected with the water inlet of heat exchanger by inlet pipeline, Gas Pipe is connected with the fuel gas inlet of burner by air inlet pipeline, the heat outlet of burner is connected with the air inlet of heat exchanger, the gas outlet of heat exchanger is connected with exhaust uptake, the delivery port of heat exchanger is connected with outlet pipe by outlet pipeline, described combustion gas electronics proportioning valve links to each other with air inlet pipeline with inlet pipeline respectively, this gas heater also comprises temperature sensor, magnetic valve and PLC controller, described temperature sensor is installed on the burner, described magnetic valve is installed on the air inlet pipeline, and described temperature sensor links to each other with the PLC controller respectively with magnetic valve.

Have observation window with the burner corresponding position on the described shell.

Described side wall of outer shell offers louver(-vre).

The utility model mounting temperature sensor on the burner of type gas heater of dying automatically, once the burner flare is put out or is broken down, during burn-out, the PLC controller is according to the signal controlling closed electromagnetic valve of temperature sensor, avoid the combustion gas leakage, guaranteed the safe in utilization of water heater.

Description of drawings

Fig. 1 looks schematic diagram for the utility model type gas heater structure master that dies automatically;

Fig. 2 is the utility model structural upright schematic diagram.

Among the figure: 1 shell, 2 burners, 3 heat exchangers, 4 exhaust uptakes, 5 water inlet pipes, 6 Gas Pipe, 7 outlet pipes, 8 observation windows, 9 louver(-vre)s, 10 combustion gas electronics proportioning valves, 11 temperature sensors, 12 magnetic valves.

The specific embodiment

Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Embodiment 1

As Fig. 1, shown in 2, a kind of type gas heater of dying automatically, comprise shell 1, burner 2, heat exchanger 3, exhaust uptake 4, water inlet pipe 5, Gas Pipe 6, outlet pipe 7 and combustion gas electronics proportioning valve 10, described exhaust uptake 4 is arranged on the top of shell 1, described water inlet pipe 5, Gas Pipe 6 and outlet pipe 7 are arranged on the bottom of shell 1, water inlet pipe 5 is connected by the water inlet of inlet pipeline with heat exchanger 3, Gas Pipe 6 is connected by the fuel gas inlet of air inlet pipeline with burner 2, the heat outlet of burner 2 is connected with the air inlet of heat exchanger 3, the gas outlet of heat exchanger 3 is connected with exhaust uptake 4, the delivery port of heat exchanger 3 is connected with outlet pipe 7 by outlet pipeline, described combustion gas electronics proportioning valve 10 links to each other with air inlet pipeline with inlet pipeline respectively, this gas heater also comprises temperature sensor 11, magnetic valve 12 and PLC controller, described temperature sensor 11 is installed on the burner 2, described magnetic valve 12 is installed on the air inlet pipeline, and described temperature sensor 11 links to each other with the PLC controller respectively with magnetic valve 12.

The utility model can further describe into, in order to improve the security of water heater, have observation window 8 with burner 2 corresponding positions on the described shell 1, so just can check the working condition of burner at any time, guarantee the safe handling of water heater.

In addition, offer louver(-vre) 9, improve the aeration of burner 2, make burning more complete, improve the thermal efficiency at shell 1 sidewall.

Claims

1. type gas heater of dying automatically, comprise shell (1), burner (2), heat exchanger (3), exhaust uptake (4), water inlet pipe (5), Gas Pipe (6), outlet pipe (7) and combustion gas electronics proportioning valve (10), described exhaust uptake (4) is arranged on the top of shell (1), described water inlet pipe (5), Gas Pipe (6) and outlet pipe (7) are arranged on the bottom of shell (1), water inlet pipe (5) is connected by the water inlet of inlet pipeline with heat exchanger (3), Gas Pipe (6) is connected by the fuel gas inlet of air inlet pipeline with burner (2), the heat outlet of burner (2) is connected with the air inlet of heat exchanger (3), the gas outlet of heat exchanger (3) is connected with exhaust uptake (4), the delivery port of heat exchanger (3) is connected with outlet pipe (7) by outlet pipeline, described combustion gas electronics proportioning valve (10) links to each other with air inlet pipeline with inlet pipeline respectively, it is characterized in that: this gas heater also comprises temperature sensor (11), magnetic valve (12) and PLC controller, described temperature sensor (11) is installed on the burner (2), described magnetic valve (12) is installed on the air inlet pipeline, and described temperature sensor (11) links to each other with the PLC controller respectively with magnetic valve (12).

2. the type gas heater of dying automatically as claimed in claim 1 is characterized in that: described shell (1) is gone up and burner (2) corresponding position has observation window (8).

3. the type gas heater of dying automatically as claimed in claim 1 or 2 is characterized in that: described shell (1) sidewall offers louver(-vre) (9).