Utility model content
Main purpose of the present utility model is to provide a kind of gas heater, is intended to solve existing gas heater and causes leaving water temperature to fluctuate widely due to the change of inflow temperature and hydraulic pressure, and the technical problem that the water capacity after closedown in pipeline easily cools.
For achieving the above object, the utility model provides a kind of gas heater, described gas heater comprises housing, be located at the heat exchanger assembly in described housing and water tank, described housing is provided with the water inlet for connecting supply channel, delivery port for connection water end (W.E.) and the discharge outlet for draining, described discharge outlet is provided with the drain control unit being used to open or close described discharge outlet, described heat exchanger assembly one end is connected with described water inlet pipeline, the other end is connected with described water tank pipeline, described water tank is connected with described delivery port and discharge outlet pipeline, described water tank comprises tank body and is located at the heat-insulation layer on described tank body.
Preferably, described delivery port is connected with described water inlet pipeline.
Preferably, described housing is also provided with water return outlet, described water return outlet is communicated with described water inlet, and described delivery port is connected with described water return outlet pipeline.
Preferably, described delivery port is also connected with described heat exchanger assembly pipeline, to make the cold water combined in described water tank again to heat, uses for water end (W.E.).
Preferably, the pipeline between described delivery port and described heat exchanger assembly is also provided with water circulating pump and flow sensor.
Preferably, described heat exchanger assembly comprises fuel assembly, is located on the heat exchanging pipe of described fuel assembly periphery and is communicated with the smoke evacuation assembly of described fuel assembly.
Preferably, described housing offers air inlet, described air inlet is connected with described fuel assembly.
Preferably, described discharge outlet is communicated with the bottom of described water tank.
Preferably, described drain control unit is valve.
Preferably, described drain control unit is for removably connecting for the end socket of discharge outlet described in shutoff with described discharge outlet.
Gas heater of the present utility model, by arranging water tank, after hot water is fully mixed in water tank, reoffer to user, effectively avoid the fluctuation of the leaving water temperature caused due to the change of inflow temperature influent pressure, greatly improve the Experience Degree of user, and heat-insulation layer is set on water tank, long-time heat preservation is carried out to the hot water in water tank, reduces energy resource consumption.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of gas heater, with reference to Fig. 1, in one embodiment, described gas heater comprises housing 100, be located at the heat exchanger assembly 200 in described housing 100 and water tank 300, described housing 100 is provided with the water inlet 120 for connecting supply channel (not shown), for the delivery port 140 of connection with water end (W.E.) (as shower nozzle etc.) and the discharge outlet 190 for draining, described discharge outlet 190 is provided with the drain control unit 192 being used to open or close described discharge outlet 190, described heat exchanger assembly 200 one end is connected with described water inlet 120 pipeline, the other end is connected with described water tank 300 pipeline, described water tank 300 is connected with described delivery port 140 and discharge outlet 190 pipeline, described water tank 300 comprises tank body 320 and is located at the heat-insulation layer 340 on described tank body 320.Particularly, described heat-insulation layer 340 can be located at the inner side of described tank body 320 or be coated on the periphery of described tank body 320, for carrying out the insulation of short time to the hot water in tank body 320, while effectively ensureing user's use water comfort level, significantly reduces energy consumption.Gas heater of the present utility model, by arranging water tank 300, after hot water is fully mixed in water tank 300, reoffer to user, effectively avoid the fluctuation of the leaving water temperature caused due to the change of inflow temperature influent pressure, greatly improve the Experience Degree of user.And the water in water tank 300 can be discharged water tank 300 by arranging of discharge outlet 190, produce incrustation scale or rotten to avoid the water long storage time in water tank 300; After flood-pot experiment is carried out to water tank 300, the water injected can also be discharged, and heat-insulation layer 340 is set on water tank 300, short time insulation is carried out to the hot water in water tank 300, reduce energy resource consumption.
Further, in the present embodiment, described delivery port 140 is also connected with described heat exchanger assembly 200 pipeline, to make the cold water combined in described water tank 300 again to heat, uses for water end (W.E.).Particularly, described delivery port 140 is connected with water end (W.E.) and heat exchanger assembly 200 with described respectively by triple valve (not shown).When normally using, by between described delivery port 140 and described heat exchanger assembly 200 by, the cold water that supply channel provides enters heat exchanger assembly 200 by water inlet 120, after heat exchanger assembly 200 heats, enter water tank 300, be delivered to water end (W.E.) by the delivery port 140 be connected with described water tank 300 again, use for user.And when combining in the hot water in described water tank 300 and turning cold, can first by described delivery port 140 and end with between water end (W.E.), make to form water-flow circuit between heat exchanger assembly 200 and water tank 300, the cold water combined in described water tank 300 heats again via heat exchanger assembly 200, when heated to the appropriate temperature, end between described delivery port 140 and described heat exchanger assembly 200 again, by described delivery port 140 and open with between water end (W.E.), hot water is made to be delivered to water end (W.E.) by described delivery port 140, use for user, achieve the utilization again of residual cold water in gas heater, and then avoid the waste of resource.
Further, when gas heater of the present utility model did not use in the long period, even if by the existence of heat-insulation layer 340, hot water in described tank body 320 also can cool completely, in order to realize the utilization again of the cold water combined in described tank body 320, avoid the wasting of resources, can pass through valve body (as triple valve) by as described in delivery port 140 with as described in water inlet 120 pipeline be connected.Or arrange water return outlet 160 on described housing 100, wherein, described water return outlet 160 is communicated with described water inlet 120, then by valve body, described delivery port 140 is linked together with described water return outlet 160 pipeline.All can realize the technique effect again utilized of the cold water combined in described water tank 300, and structure is simple, is easy to realize, advantage of lower cost.
Further, pipeline between described delivery port 140 and described heat exchanger assembly 200 is also provided with water circulating pump 142 and flow sensor 144, described water circulating pump 142 is for pumping the cold water combined in described water tank 300, and enter in heat exchanger assembly 200, described flow sensor 144 is for the discharge in monitored pipeline, so that the corresponding operation of adjustment.
Further, in the present embodiment, described heat exchanger assembly 200 comprises fuel assembly 220, is located on the heat exchanging pipe 240 of described fuel assembly 220 periphery and is communicated with the smoke evacuation assembly 260 of described fuel assembly 220, described heat exchanging pipe 240 one end is connected with described water inlet 120, the other end is connected with described water tank 300, and cold water enters heat exchanging pipe 240 by water inlet 120, is heated after carrying out heat exchange with fuel assembly 220, then be injected in water tank 300, use for user.And assembly 260 of discharging fume is for discharging the smog after burning, preferably, described smoke evacuation assembly 260 comprises blower fan, to be discharged by smog, and then avoids the generation of the phenomenons such as gas poisoning.
Further, in the present embodiment, described housing 100 offers air inlet 180, described air inlet 180 is connected with described fuel assembly 220, to pass into fuel gas (as natural gas, coal gas etc.).
Further, in the present embodiment, described discharge outlet 190 is communicated with the bottom of described water tank 300.Described drain control unit 192 can be the valve (as shown in Figure 1) being used to open or close described discharge outlet 190 be arranged in described discharge outlet 190 or the end socket (as shown in Figure 2) for closing and open described discharge outlet 190 be removable installed in described discharge outlet 190.By opening or closing of discharge outlet described in Valve controlling 190, to realize the discharge of residual water.And when arranging the end socket being used for closing and open described discharge outlet 190 in described discharge outlet 190, by end socket being screwed off the discharge realizing residual water, operation is all comparatively simple, and cost is also relatively low.
In sum, gas heater of the present utility model, by arranging water tank, after hot water is fully mixed in water tank, reoffer to user, effectively avoid the fluctuation of the leaving water temperature caused due to the change of inflow temperature influent pressure, greatly improve the Experience Degree of user, and heat-insulation layer is set on water tank, long-time heat preservation is carried out to the hot water in water tank, reduces energy resource consumption.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.