CN201628366U - Gas water heater with a built-in circulation pump - Google Patents

Abstract

The utility model discloses a gas water heater with a built-in circulation pump, which comprises a casing. A heat exchanging device, a conduit pipe and a controller are installed inside the casing; the controller arranged outside the casing is connected with a wire controller; a circulation pump and a one-way valve are arranged inside the casing; and a water inlet, a water outlet and a water return opening are arranged outside the casing. The built-in circulation pump leads water temperature of the whole pipeline to keep at a set value, and hot water can instantly flow out without waiting as soon as a water faucet is opened, thereby reducing water waste. In installation, a pipeline outside the water heater can just be connected, thereby greatly simplifying installation process, and saving installation time and material consumption. The built-in circulation pump fuel water heater forms an integral with complete and independent functions, can conveniently realize timely preheating function, and avoid troubles of waste and manual operation caused by continuous preheating.

Description

A kind of built-in circulating pump gas heater

Technical field

The utility model relates to the gas heater technical field, and particularly a kind of inside is provided with the gas heater of circulating pump.

Background technology

Gas heater can prepare hot water quickly and easily, has become one of indispensable electrical equipment of institute in the life staying idle at home.Traditional gas heater is being opened hot water with behind the tap or gondola water faucet of water spot, need wait for a period of time and just can go out hot water, reason is to very long water pipe is arranged with water spot from water heater, current flow out after heating needs the time, the existence of above-mentioned stand-by period, the waste of aqueous vapor resource be can cause, energy consumption and spending increased, and the inconvenience that causes the user to use.Be head it off, a kind of external circulatory system that is used with gas heater has appearred on the market now, by making current constantly circulate at water heater outer setting circulation pump, and heat and the control of changing water makes the water temperature of whole pipeline inside remain on the setting value by controller, but the external circulating pump of this kind is owing to be installed in the water heater outside, installing needs to connect a lot of water pipes and cable, make that the trouble that becomes is installed is time-consuming, the consumptive material of increase installing, complex installation also exists water pipe, cable wrong and hidden danger such as leak simultaneously; In addition, this water-heater system can not carry out the timing preheating, can only use pretty troublesome by manually opened and close.

Summary of the invention

For addressing the above problem, the utility model provides a kind of hot water effluent's zero-waiting, easy for installation, regularly preheating, uses the built-in circulating pump gas heater of science.

The utility model is that the technical scheme that its problem of solution is adopted is:

A kind of built-in circulating pump gas heater, comprise housing, in the described housing heat-exchange device is installed, the controller that aqueduct and the line control machine outer with being located at housing are connected, described aqueduct comprises coil pipe that is positioned on the heat-exchange device and water inlet pipe and the outlet pipe that is connected with the coil pipe two ends respectively, described housing is provided with water inlet that is connected with water inlet pipe and the delivery port that is connected with outlet pipe outward, also be provided with circulating pump and check valve in the described housing, described housing is provided with water return outlet outward, the input of described circulating pump is connected with water return outlet, the circulation delivery side of pump is connected with the input of check valve, and the output of described check valve also inserts in the water inlet pipe.

Further, described water inlet pipe and outlet pipe are provided with temperature sensing device, and described temperature sensing device is connected with controller.

The beneficial effects of the utility model are: the built-in circulating pump of the utility model can be to the heating that circulates of whole circulation water route, make the water temperature of whole pipeline remain on setting value, like this,, a dozen hot water of turning on the tap do not need to wait for as long as will flowing out immediately, thus the waste of minimizing water; In addition, because circulating pump is built into water heater inside, water pipe between circulating pump and the water heater is connected all with cable and carries out in water heater inside, these work are all finished before dispatching from the factory, when user's family is installed, the pipeline that only needs to connect the water heater outside gets final product, and has greatly simplified installation process, saves set-up time and consumptive material; Further, because circulating pump is arranged at the water heater enclosure interior, the unlatching of circulating pump and closure can be controlled by controller, therefore water heater can form independently integral body of a telotism, thereby can realize regularly preheat function easily, avoid continuing preheating and the waste and the manually operated trouble that cause.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples:

Fig. 1 is the inner schematic diagram of forming of the present utility model;

Fig. 2 is an internal structure schematic diagram of the present utility model;

Fig. 3 is the application schematic diagram of a kind of embodiment of the utility model.

The specific embodiment

See figures.1.and.2, a kind of built-in circulating pump gas heater that the utility model provides, comprisehousing 1, in the describedhousing 1 heat-exchange device 2 is installed, thecontroller 5 thataqueduct 3 and the line control machine 4 outer with being located athousing 1 are connected, wherein heat-exchange device 2 is a gas ignition heated type device, theair inlet 15 outer with being located at housing is connected,controller 5 is used to control the heating process of gas heater, the line control machine 4 that is connected withcontroller 5 can be set to a plurality of more than, and can carry out preferred setting between the line control machine as required, describedaqueduct 3 comprisescoil pipe 6 that is positioned on the heat-exchange device 2 andwater inlet pipe 7 and theoutlet pipe 8 that is connected withcoil pipe 6 two ends respectively, be provided withwater inlet 9 that is connected withwater inlet pipe 7 and thedelivery port 10 that is connected withoutlet pipe 8 outside the describedhousing 1, also be provided with circulatingpump 11 andcheck valve 12 in the describedhousing 1, the describedhousing 1 outerwater return outlet 13 that is provided with, the input of described circulatingpump 11 is connected withwater return outlet 13, the output of circulatingpump 11 is connected with the input ofcheck valve 12, the output of describedcheck valve 12 also inserts in thewater inlet pipe 7, this circulatingpump 11 can be reintroduced to the current of outside in the water heater, make to form water-flow circuit between thedelivery port 10 of water heater and thewater return outlet 13, the setting ofcheck valve 12 can guarantee that water (flow) direction is unique.

In order in time to detect the water temperature in the water-flow circuit, makecontroller 5 can carry out heating process better, describedwater inlet pipe 7 andoutlet pipe 8 are provided withtemperature sensing device 14, and describedtemperature sensing device 14 is connected with controller 5.Thistemperature sensing device 14 can detect inflow temperature and leaving water temperature respectively, and this temperature data is sent in thecontroller 5,controller 5 further according to the aperture of the switch of inflow temperature control system and gas valve to reach the purpose of automatic constant-temperature, make effluent temperature constancy.

With reference to Fig. 3, be the schematic diagram of a kind of effective application mode of the utility model.Because being connected all with cable, the water pipe between circulating pump and other parts of water heater carries out in water heater inside, therefore this water heater can be installed easily, only need thewater inlet 9 of water heater is connected with public water pipe, tap and gondola water faucet etc. is serially connected with betweendelivery port 10 and thewater return outlet 13, just installation process can be finished, set-up time and consumptive material can be greatly saved.The built-in circulating pump of water heater can make that current constantly circulate in the loop, water heater can constantly heat current, guarantees that water temperature remains on the setting value.By above-mentioned heating and endless form, the user can obtain hot water at any time and not need to wait for for a long time.

In addition, because circulatingpump 11 of the present utility model is built-in, the unlatching of circulatingpump 11 and closure can be controlled by controller, therefore water heater can form independently integral body of a telotism, thereby can realize regularly preheat function easily, the user can set the preheat function of different periods according to the use habit of self, like this, when the user uses hot water, water temperature in the pipeline has reached setting value, and do not need manually opened pre-heating system to heat, realize the zero-waiting time that hot water uses, and avoid because of continuing the waste that heating causes.Certainly, except above-mentioned timing preheat function, the user can also be by manually being provided with the realization preheat function.

Above-mentionedly just preferred embodiments more of the present utility model are illustrated and describe; but structure of the present utility model is not restricted to the described embodiments; as long as it reaches technique effect of the present utility model with essentially identical means, all should belong to protection domain of the present utility model.

Claims (2)

1. built-in circulating pump gas heater, comprise housing (1), heat-exchange device (2) is installed in the described housing (1), the controller (5) that aqueduct (3) and the line control machine (4) outer with being located at housing (1) are connected, described aqueduct (3) comprises coil pipe (6) that is positioned on the heat-exchange device (2) and water inlet pipe (7) and the outlet pipe (8) that is connected with coil pipe (6) two ends respectively, be provided with water inlet (9) that is connected with water inlet pipe (7) and the delivery port (10) that is connected with outlet pipe (8) outside the described housing (1), it is characterized in that also being provided with in the described housing (1) circulating pump (11) and check valve (12), the outer water return outlet (13) that is provided with of described housing (1), the input of described circulating pump (11) is connected with water return outlet (13), the output of circulating pump (11) is connected with the input of check valve (12), and the output of described check valve (12) also inserts in the water inlet pipe (7).

2. a kind of built-in circulating pump gas heater according to claim 1 is characterized in that described water inlet pipe (7) and outlet pipe (8) are provided with temperature sensing device (14), and described temperature sensing device (14) is connected with controller (5).

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