CN1165276A

CN1165276A - Constant temp. control device for gas water heater

Info

Publication number: CN1165276A
Application number: CN 96107413
Authority: CN
Inventors: 黄添财; 赖昭典
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-15
Filing date: 1996-05-15
Publication date: 1997-11-19

Abstract

A constant-temp. controller for gas water heater is composed of connecting base, gas tube, thermosensitive actuating body, and piston rod. Said connecting base attached to gas pipeline consists of the first chamber with gas inlet, the second chamber with gas output and partition between two chambers and with a side hole and a channel in which gas tube with an opening is arranged. The thermosensitive actuating body is in contact with hot water in hot water pipe and has a telescopic head acting with water temp. The piston rod and telescopic head are connected to each other and act synchronously and the gas flow is controlled by piston rod to control the opening of gas tube, so realizing constant-temp. control.

Description

The gas water-heating furnace thermostatically-controlled equipment

The present invention relates to a kind of temperature control equipment, particularly a kind of gas water-heating furnace thermostatically-controlled equipment.

The Taiwan patent application case has disclosed a kind of " device of the automatic adjusting gas flow of gas heater " number No. 79214044, it is mainly by a valve plug, one valve piston base, an one thermal actuation element and a heat transfer sheet constitute, wherein valve plug is corresponding to the formed gas-flow through hole of valve piston base, one end of valve plug is connected in an end of thermal actuation element through a bar, the other end of thermal actuation element then fits on the surface of heat transfer sheet, another surface of heat transfer sheet then can contact with hot water for the path of hot water circulation, water temperature by heat transfer sheet conduction hot water, make this water temperature of thermal actuation element perception that is contacted with heat transfer sheet and move, the action of thermal actuation element will make valve plug produce displacement in the hole of valve piston base, and, make to reach according to the variation of water temperature the size of regulating gas flow automatically by the size of valve plug control hole.

And No. 79214044 patent application case reaches thermostatically controlled purpose like difficulty on the implementation, which kind of material because (1) its heat transfer sheet should adopt actually? how to change? is stroke stressed etc.? and make this water temperature of thermal actuation element perception and move, seemingly have a question, (2) its all elements combining structure that is whole closeds, and there is not temperature display meter, therefore the user can't adjust to temperature, (3) after valve plug and valve piston base close, combustion gas is closed fully, so can't stay flare, time and again use, need to light by gas furnace, extremely inconvenient.

The object of the present invention is to provide a kind of gas water-heating furnace thermostatically-controlled equipment, hot water temperature that really can the thermostatic control gas water-heating furnace.

Another object of the present invention is to provide a kind of gas water-heating furnace thermostatically-controlled equipment, can do fine setting to gas flow and set.

According to gas water-heating furnace thermostatically-controlled equipment provided by the invention, it roughly comprises a connecting seat, a breather pipe, sensible heat action body and a piston rod.

This Connection Block is installed in a fuel gas pipeline, it has one first empty chamber, the interlayer of this first empty chamber and the second empty chamber is separated in one second empty chamber and, this first empty chamber has a gas inlet, and this second empty chamber has a gas outlet, and this interlayer has a side opening and a passage.

This breather pipe is positioned the passage of this interlayer, it has an opening, a base plate and several air inlet side openings, be provided with one first spring between the interlayer of this base plate and this Connection Block, this base plate is also adjusted screw and is contacted with one, can adjust the distance of the opening and the piston rod of this breather pipe by this adjustment screw, set to do fine setting.

Water in the hot-water line of this sensible heat action body and gas water-heating furnace contact, and it has the head that stretches, and this flexible head can be because of coolant-temperature gage variation expanding-contracting action.

This piston rod is connected in the flexible head of this sensible heat action body, its can with this flexible head synchronization action, control the opening of this breather pipe by this piston rod, thereby regulate gas flow automatically, to reach thermostatically controlled purpose.

In the gas water-heating furnace thermostatically-controlled equipment of the present invention, this sensible heat action body can be a ducted body, the flexible head of this ducted body can be copper film or other the similar films with several fold, fill the escaping gas of acetone, ether or similarity in the ducted body, these escaping gases expand with heat and contract with cold because of being subjected to variations in temperature, so that flexible head expanding-contracting action.

Now enumerate the embodiment conjunction with figs. above-mentioned purpose of the present invention, feature and other effects and advantage are specifically introduced, believe and therefrom understand spirit of the present invention surely.

Fig. 1 is assembled in the schematic diagram of a gas water-heating furnace for the present invention.

Fig. 2 is a cross-sectional view of the present invention, shows the not state of closed vent tube opening of piston rod.

Fig. 3 is a cross-sectional view of the present invention, shows the state of piston rod closed vent tube opening.

See also shown in Figure 1ly, radiator valve 10 of the present invention is installed between the fuel gas pipeline 30 and hot water line 40 of a gas water-heating furnace 20.

Structure of the present invention as shown in Figure 2, Connection Block 50 has one first 51, one second an empty chamber 52, empty chamber and an interlayer 53, this first empty chamber 51 has a gas inlet 54, this second empty chamber 52 has a gas outlet 55; This interlayer 53 has a side opening 56 and a passage 57; This passage 57 is installed on a breather pipe 58, and this breather pipe 58 has an opening 581, a base plate 582 and several air inlet side openings 583; Be provided with one first spring 59 between the base plate 582 of breather pipe 58 and the interlayer 53; It is interactive that base plate 582 and is adjusted screw 60, can adjust the opening 581 of this breather pipe 58 and the distance of piston rod 70 by this adjustment screw 60, sets to do fine setting.

Sensible heat action body 80 is a ducted body, fills the escaping gas of acetone, ether or similarity in it; One end 81 of this sensible heat action body 80 places in the hot water tube connector 41, tube connector 41 connects the hot-water line (not showing among Fig. 2) of gas water-heating furnace, so an end 81 of this sensible heat action body 80 can contact with the water in the hot-water line of gas water-heating furnace, the other end of this sensible heat action body 80 has a flexible head 82, should flexible head 82 be one to have the film of several fold, this flexible head 82 can change expanding-contracting action because of the water temperature of hot-water line.Piston rod 70 is arranged with the flexible head 82 of one second spring 100 with this sensible heat action body 80 of roof pressure.

Action of the present invention is shown in Fig. 2,3, when the water of the hot-water line of gas water-heating furnace is cold water, piston rod 70 leaves the opening 581 of breather pipe 58, and combustion gas can be flowed out for the water heater burning by gas outlet 55 through side opening 56 through breather pipe 58 and a small amount of combustion gas by gas inlet 54.When the water of the hot-water line of gas water-heating furnace gradually during heating, the flexible head 82 of this sensible heat action body 80 is pushed this piston rod 70 to the opening 581 of this breather pipe 58 gradually along with heating and the elongation synchronously gradually of the water of hot-water line.See also Fig. 3, when the water of the hot-water line of gas water-heating furnace is overheated, the flexible head 82 of this sensible heat action body 80 is along with heating and the elongation synchronously gradually of the water of hot-water line, but with this piston rod 70 push to the opening 581 of this breather pipe 58 and complete closed it, at this moment, combustion gas can be flowed out for the water heater burning through side opening 56 and by gas outlet 55 and be stayed flare, is unlikely to flame-out.When the water of the hot-water line of gas water-heating furnace turns cold gradually, the flexible head 82 of this sensible heat action body 80 is along with the water of hot-water line turns cold and withdrawal synchronously gradually, this piston rod 70 is pulled away from the opening 581 of this breather pipe 58, make it to open gradually, combustion gas can be burnt and flow out the confession water heater by gas outlet 55 by gas inlet 54 through breather pipe 58 again.So regulate gas flow to reach thermostatically controlled purpose.

The present invention can be connected with a thermometer 90, to learn the water temperature of hot-water line at any time.In addition, the present invention can be installed in the gas water-heating furnace or gas water-heating furnace outside, for naturally, in this and give and indicating.

In sum, the present invention really can reach the creation purpose by the structure that is disclosed, and has progressive ground utility function.And the above person only is preferred embodiment of the present invention, and is all according to various modifications and variation that the present invention did, must be contained within the claim of the present invention.

Claims

1, a kind of gas water-heating furnace thermostatically-controlled equipment is characterized in that comprising:

A connecting seat, it is installed in a fuel gas pipeline, and this Connection Block has one first empty chamber, the interlayer of this first empty chamber and the second empty chamber is separated in one second empty chamber and, and this first empty chamber has a gas inlet, this second empty chamber has a gas outlet, and this interlayer has a side opening and a passage;

One breather pipe, it is positioned the passage of this interlayer, and this breather pipe has an opening;

One sensible heat action body, its water with the hot-water line of gas water-heating furnace contacts, and this sensible heat action body has a flexible head, and this flexible head can change expanding-contracting action because of water temperature; And

One piston rod, its be connected in this sensible heat action body flexible head and can with this flexible head synchronization action, control the size of the opening of this combustion gas breather pipe by this piston rod, realize thermostatic control thereby regulate gas flow.

2, gas water-heating furnace thermostatically-controlled equipment as claimed in claim 1, it is characterized in that: this breather pipe has a base plate and at least one air inlet side opening, be provided with one first spring between the base plate of this breather pipe and the interlayer of this Connection Block, this base plate and with one adjust the screw interaction, can adjust the distance of the opening and the piston rod of this breather pipe by this adjustment screw, set to do fine setting.

3, gas water-heating furnace thermostatically-controlled equipment as claimed in claim 1 is characterized in that: this sensible heat action body is a ducted body, fills the escaping gas of acetone, ether or similarity in it.

4, gas water-heating furnace thermostatically-controlled equipment as claimed in claim 3 is characterized in that: the flexible head of this sensible heat action body is one to have the film of several fold.

5, gas water-heating furnace thermostatically-controlled equipment as claimed in claim 3 is characterized in that: this sensible heat action body is connected with a thermometer.

6, gas water-heating furnace thermostatically-controlled equipment as claimed in claim 1 is characterized in that: this piston rod is arranged with one second spring.