CN2178336Y

CN2178336Y - Water heater

Info

Publication number: CN2178336Y
Application number: CN 93231817
Authority: CN
Inventors: 孙书国
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-09-09
Filing date: 1993-09-09
Publication date: 1994-09-28
Anticipated expiration: 2003-09-09

Abstract

The utility model relates to a water heater, which is characterized in that the water valve core in a water valve body is provided with a thorn-shaped ring and a radical pore so as to realize the dynamic balance of the water pressure in the water valve body and the gas pressure in the gas valve body. A ball-shaped valve and a gas consumption valve are arranged in the gas valve body which is provided with a throttling pore. A water and gas linkage apparatus can not only make the regulation of the water and the gas simultaneous, but also effectively control the high and low conversion of the water temperature. The new structure of temperature adjustment of confluence of cold water and hot water is adopted. The utility model has the advantages of compact structure, simple operation, high degree of automation and sensitivity, safety, reliability and energy saving and can be used with various natural fuel.

Description

Water heater

The utility model relates to water heater, more particularly is the water heater that is used for bathing and drinks.

The utility model is the new product of developing through improving on the basis of JSY5-A type water heater, and there is following shortcoming in JSY5-A type water heater: the one,, the water yield, combustion gas to be controlled respectively by two knobs, troublesome poeration is difficult to coordinate; The 2nd,, have only plug valve in the air valve body, thereby only be suitable for using liquefied petroleum gas, and the adjustable range of gaseous-pressure is little; The 3rd,, has only centre bore on the water valve core in the valve body, communicate with the inner chamber at water valve body rear end face place, the water valve body front end is a cylinder, again because intake pressure is big and less stable fractures the water valve core easily, hydraulic pressure in the while water valve body and the gaseous-pressure in the air valve body be less stable also, thereby has also influenced from the hot water temperature of water heater outflow and the stability of hydraulic pressure.

The purpose of this utility model is to provide a kind of exactly can overcome above-mentioned shortcoming, water temperature and combustion gas are controlled by same knob, the water yield, water temperature, gaseous-pressure are stablized, and can realize that hot and cold water converges high temperature, have enlarged the water heater of the use kind and the pressure adjustable range of combustion gas.

In order to achieve the above object, feature of the present utility model is that the aqueous vapor linkage is set, form by thermoregulation knob (27), gear (27-2), cam (27-1), sectional wheel (28), valve stem sleeve (28-1), valve rod (22), gas-flow metered valve (6), thermoregulation knob and gear, cam are one, and the other end of sectional wheel is a valve stem sleeve.

The front end of the water valve core (2) in the water valve body (19) has increased sour jujube shape circle (21-1) and radial hole (21-2), and this radial hole communicates with the airtight inner chamber that the internal chamber wall of water valve body (19) forms with the rear end face of water valve core.

Globe valve (7), gas-flow metered valve (6) are arranged in the air valve body (8), throttle orifice (5) is arranged on the air valve body.

The stationary fit of rotating engagement that thermoregulation knob (27) can be by gear (27-2) and sectional wheel (28) and valve stem sleeve (28-1) and valve rod (22) realizes the rotation of valve rod, thereby change the size in the water inlet aperture of cold water, cam (27-1) rotates the valve port that can control gas flow valve (6) and opens size simultaneously, thereby realizes the adjusting to the combustion gas inlet.

The utility model compact conformation, volume is little, and is in light weight, simple to operate, water temperature, the water yield, gaseous-pressure are stable, automaticity and highly sensitive is safe and reliable, energy-efficient, to various natural fuels all can use and the adjustable range of gaseous-pressure big.

Be further described below in conjunction with accompanying drawing:

Description of drawings: Fig. 1 is in condition of high temperature schematic diagram for water heater

Fig. 2 is in the low-temperature condition schematic diagram for water heater

The utility model mainly is a system by water, air-channel system, burner, heat exchanger, electric-control system and aqueous vapor linkage are formed, two chambeies about wherein the inner chamber of the water valve body in the water circuit system (19) is divided into by rubber film (20), above in the right chamber valve rod (22) is arranged, water valve core (21) is arranged below, the end that aqueous vapor interlock push rod (9) is arranged in the boss on the rubber film in the chamber, a left side, boss on the diaphragm of rubber in the right chamber contacts with an end of water valve core, overflow valve (15) is arranged on the water valve body, drain plug (13), the inlet (18) of cold water in addition, outlet (23), outlet (24), hot water inlet (17), hot water outlet (16); Air-channel system is made up of air inlet valve body, air valve body and nozzle body, has magnetic valve (11), hydraulic pressure to open normally close valve (10) in the air inlet valve body, has in the air valve body and also has throttle orifice (5) on gas-flow metered valve (6), globe valve (7), the air valve body; The aqueous vapor linkage is made up of thermoregulation knob (27), gear (27-2), gear (27-1), sectional wheel (28), valve stem sleeve (28-1), valve rod (22), gas-flow metered valve (6).

After cold water enters water valve body (19) inner chamber from cold water inlet (18), hydraulic pressure must be controlled in 0.05～0.4MPa scope, because the pressure of water promotes rubber film (20) and aqueous vapor interlock push rod (9) is moved to the left, and the drive switch press plate is connected microswitch (12), overall process just can be opened magnetic valve (11) rapidly within 1 second, hydraulic pressure is opened normally close valve (10) and gas pipeline (14), electric-control system is started working simultaneously, the igniting of pulse igniter (2) electrion, water heater is started working.

Water valve core (21) front end has the tangential small-hole of sour jujube shape circle (21-1) and two relative 1mm that communicate with water valve core centre bore, after cold water enters the right chamber of water valve body (19), enter simultaneously in the tangential small-hole on the water valve core, make the rear end face of the sour jujube shape circle end face of water valve core and water valve core all be subjected to the axial compressive force of water, promoting the water valve core is moved to the left, regulate different intake pressures with this and all can enter water valve body with constant flow velocity and flow, thereby chamber, the left and right sides pressure reduction that guarantees water valve body remains unchanged, because chamber, the left and right sides pressure reduction of water valve body is constant, therefore the position, the left and right sides of the rubber film (20) in the water valve body has kept relative stablizing, thereby the realization water yield, air pressure has kept dynamic equilibrium respectively in water valve body (19) and in the air valve body (8), the hot water temperature that water heater is flowed out has kept relative stablizing with hot water flow, the hot water temperature that can occur flowing out is not fluctuated, the suddenly big or suddenly small phenomenon of the water yield.

The aqueous vapor linkage can not only make aqueous vapor regulate synchronously, and can also realize the water yield by height to conversion low and from low to high.

If water temperature regulates from low to high, to rotate the engagement of thermoregulation knob (27) by gear (27-2) and sectional wheel (28) and drive valve rod (22) and turn to hot operation position (see figure 1), the A among Fig. 1 (is seen from large to small in the water inlet aperture of valve rod ₁-A ₁Cutaway view) promptly by macropore M, N on the valve rod respectively with water valve body (19) on hole E(24), hole F(23) communicating is converted to hole F(23 on aperture P and the water valve body on the valve rod) communicate, thereby the cold water that enters heat exchanger (1) reduced, and another temperature adjustment inlet opening obturation on the valve rod (is seen the B among Fig. 1 simultaneously ₁-B ₁Cutaway view) be that E hole (23) this moment on the water valve body is obstructed, the cold water that converges towards hot-water line (26) has interrupted, in addition, the rotation of thermoregulation knob (27) drives cam simultaneously and at this moment also the burnt gas valve of gas-flow metered valve (6) is opened to maximum, the combustion gas that promptly enters air valve body (8) this moment is sprayed in the burner (3) by nozzle (4) by globe valve (7), gas-flow metered valve (6) and throttle orifice (5) burns, and heat exchanger (1) heated, so the hot water temperature that water heater flows out has uprised, the water yield has tailed off.

If water temperature is regulated by low by height, thermoregulation knob (27) is forwarded to low-temperature working position (see figure 2), change from small to big in the water inlet aperture of valve rod (22), promptly by the aperture P on the valve rod communicate with hole (23) on the water valve body be converted on the valve rod macropore M, N respectively with water valve body on hole (24), hole (23) communicate and (see the A among Fig. 2 ₂-A ₂Cutaway view), thereby the cool water quantity that is entered heat exchanger (1) by water valve body process cold water pipe (25) has increased, another temperature adjustment inlet opening of valve rod and hot water pipeline (16) are connected and are converged simultaneously, the cam (27-1) of thermoregulation knob (27) is at this moment also opened the valve of gas-flow metered valve (6) to minimum or Close All in addition, be gas-flow metered valve (6) and globe valve (7) Close All, only depend on throttle orifice (5) to supply a small amount of combustion gas, so hot water temperature's step-down that water heater flows out, the water yield become big.

Also be provided with overflow valve (15) and drain plug (13) on the water valve body (19), the effect of overflow valve is to surpass certain limit promptly greater than 1.6MPa when pressure of supply water, will the automatic drainage step-down; The effect of drain plug is if water heater did not use in a period of time, can the ponding of water valve body inner chamber be got rid of by drain plug.

Claims

1, a kind of water heater, mainly system, air-channel system, burner, heat exchanger, electric-control system are formed by water, water circuit system mainly is made up of water valve body, air-channel system mainly is made up of air inlet valve body, air valve body, nozzle body, it is characterized in that the thermoregulation knob (27) in the aqueous vapor linkage is an one with cam (27-1) and gear (27-2), thermoregulation knob links by cam and gas-flow metered valve (6), be meshed with sectional wheel (28) by gear again, the other end of sectional wheel is valve stem sleeve (28-1), and valve stem sleeve and valve rod (22) form stationary fit; Sour jujube shape circle (21-1) and tangential small-hole (21-2) are arranged on the water valve core (21) in the water valve body (19), the airtight inner chamber of the formation of the rear end face of this tangential small-hole and water valve core (21) and the internal chamber wall of water valve body communicates, the inlet opening that different apertures are arranged on the valve rod (22) in the water valve body (19) communicates with cooling water outlet on the water valve body respectively, and also communicates with hot-water line (17) when low-temperature condition; Globe valve (7) and gas-flow metered valve (6) are arranged in the air valve body (8), throttle orifice (5) is arranged on the air valve body.

2, water heater according to claim 1 is characterized in that described sour jujube shape circle (21-1) at the front end of water valve core (21) and be positioned at the cold water inlet place in the right chamber of water valve body (19), and the vertical plane that sour jujube shape is enclosed is towards the cold water that enters.

3, water heater according to claim 1, the inlet end that it is characterized in that described globe valve (7) is opened normally close valve (10) with hydraulic pressure and is communicated, its outlet side by throttle orifice (5) and (or) gas-flow metered valve (6) communicates with nozzle body (4).