CN211695378U - Bidirectional water supply water heater - Google Patents

Abstract

The utility model belongs to the water heater field, in particular to novel electric water heater. The utility model relates to a solve many water heaters and cooperate a water heater new construction of development each other, make it both can supply water to the water terminal of mounted position, can supply water to public hot water pipeline again, and can also realize two tunnel water supplies through special design and realize different temperatures.

Description

Bidirectional water supply water heater

Technical Field

The utility model belongs to the water heater field, especially a novel electric water heater.

Background

The utility model aims at developing a can two-way water supply's water heater, make the water heater can supply water to two tunnel of tap and public hot-water line, mainly be for solving the water heater structure that application number is 202020178579.1 a distributed hot water system and develop, can single-stage work or many cooperations according to the water requirement. The traditional water heater only has two joints of cold water and hot water, cannot provide hot water for a water using terminal and a public hot water pipe at the installation position at the same time, and cannot be cooperatively used by multiple water using terminals and the public hot water pipe. For example, a small kitchen appliance can only supply water to a faucet, a gas water heater can only supply water to a hot water pipe, a tee joint or a tee joint one-way valve can be connected to a cold-hot water connector of a traditional water heater to achieve a certain purpose, but the problem that a plurality of appliances cannot cooperate well can also occur. The utility model discloses the main purpose is to solve a new water heater structure that many water heaters used together, not only can make the water heater provide the hot water to the water terminal and public hot water pipe two-wayly; the problem of unbalanced water outlet caused by inconsistent pressure at each position of the pipeline in cooperation of a plurality of pipelines is solved. The utility model discloses a scene is used in the most main installation of water heater: the cold and hot water faucet is arranged below a counter basin, two cold and hot water connectors are connected with a faucet, the other two cold and hot water connectors are connected with cold and hot water pipes, and generally, one cold and hot water faucet is arranged below the counter basin in a kitchen and a toilet. When the tap is used for water, the water heater works nearby (of course, a plurality of water heaters can be cooperated, but the prior proposal is not taken into consideration when the pipeline length is considered), and when the tap is used for a long time for bathing or other large water quantity, a plurality of water heaters are cooperated.

Advantageous effects

The utility model discloses developed the water heater of many water heater collaborative work of adaptation, satisfied another patent distributing type hot water system and to the special requirement of water heater, made electric water heater miniaturization, little household electrical appliances, energy-conservation, convenient, cost, health etc. realize, had spreading value.

SUMMERY OF THE UTILITY MODEL

For solving the deficiencies of the prior water heater technology, the utility model provides a new technical scheme.

The purpose of the utility model is solved by the following technical solutions:

a double-path water supply water heater comprises a shell 1, a heater 2, an inner container 3 and a circuit board 4, wherein the water heater comprises two hot water ports, and the two hot water ports are composed of a first hot water connector 5 and a second hot water connector 6.

Further, the water heater also comprises at least two temperature sensors 12, wherein one temperature sensor 12 is arranged on the outer wall or the inner part of the inner container 3, and the other temperature sensor 12 is arranged on a water flow channel from the inner container 3 to the second hot water joint 6 and is not in co-flow with the first hot water joint 5.

Further, the water heater further comprises a check valve 10, and the check valve 10 is installed on the water flow path of the second hot water connector 6 in a direction to allow only hot water to flow out of the water heater.

Further, the water heater also comprises a one-way valve 10, wherein the one-way valve 10 is installed on the water inlet water flow path of the water heater, and the installation direction of the one-way valve 10 does not allow hot water to flow to the cold water joint.

Further, the water heater further comprises a regulating valve 13, and the regulating valve 13 is installed on the water flow passage of the second hot water joint 6.

Furthermore, the water heater also comprises a bypass pipe 14 and one-way valves 10, wherein two ends of the bypass pipe 14 are connected with the second hot water connector 6 and the cold water pipe, the number of the one-way valves 10 is two, one-way valve is arranged on the bypass pipe and only allows water flow to flow from the second hot water connector 6 to the cold water pipe or the inner container or the heater, and the other one-way valve is arranged on the cold water pipe and is not installed in the direction of allowing water flow to flow from the water heater or the bypass pipe to the cold water outlet.

Further, the first hot water joint and the second hot water joint of the water heater are formed by two joints of a tee joint.

Preferably, one of the joints of the tee comprises a one-way valve, following point 7.

Furthermore, the heater of the water heater is a cast aluminum heater 18, and the water heater further comprises a bypass pipe 14 and three check valves 10, wherein two ends of the bypass pipe 14 are connected with a second hot water connector 6 and a cold water pipe, and one check valve is arranged on the bypass pipe and only allows water flow to flow from the second hot water connector 6 to the cold water pipe; a check valve is arranged on the water flow channel of the second hot water joint, only allows water flow to flow out of the second hot water joint, and the mounting position of the check valve cannot prevent the water flow from flowing from the second hot water joint to the cold water pipe through the bypass pipe; a check valve is mounted in the cold water pipe in a direction that does not permit water flow from the boiler or bypass pipe to the cold water outlet.

Drawings

The present invention will be further explained with reference to the drawings and examples

FIG. 1 is a schematic view of a structure of a water storage liner

FIG. 2 is a schematic view of a water-storing liner

FIG. 3 is a schematic view of a structure of a water-storing inner container

FIG. 4 is a schematic view of a structure of a water storage liner

FIG. 5 is a schematic view of a water-storing inner container

FIG. 6 is a schematic view showing the structure of the inner container with water storage

FIG. 7 is a schematic view of a steel cup heater

FIG. 8 is a schematic structural view of a steel cup heater

FIG. 9 is a schematic view of a cast aluminum heater

FIG. 10 is a schematic view of a cast aluminum heater

In the figure:

1. the heating device comprises a shell 2, a heater 3, an inner container 4, a circuit board 5, a first hot water joint 6, a second hot water joint 7, a first cold water joint 8, a second cold water joint 9, a water flow switch 10, a one-way valve 11, a heat insulation layer 12, a temperature sensor 13, a regulating valve 14, a bypass pipe 15, a one-way valve tee joint 16, a tee joint 17, a steel cup heater 18 and a cast aluminum heater

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of a water heater according to the first embodiment of the present invention, as shown in fig. 1, the water heater has an inner container 3 capable of storing a certain volume of hot water, a heater 2 is installed in the inner container 3, and the inner container is provided with a water inlet/outlet passage, which can be a welded joint or a screwed joint. The water inlet and outlet channels are connected with a first cold water joint 7, a second cold water joint 8, a first hot water joint 5 and a second hot water joint 6 through pipelines, the connection modes of the joints are only shown schematically, and in an actual product, more connection modes can be provided as long as cold and hot water can be divided into two paths; the first cold water joint 7 and the first hot water joint 5 are connected with a faucet or other water using terminals, and the second cold water joint 8 and the second hot water joint 6 are connected with an external cold and hot tap water pipe; a water flow switch 9 is arranged on a water inlet channel of the inner container 3, the purpose of the water flow switch 9 is to sense water flow, the water flow switch 9 can only be assembled on the water flow channel flowing into the inner container and cannot be assembled on a channel from the first cold water joint 8 to the first cold water joint 7, otherwise, the cold water flow switch can sense when the tap is opened; the water flow switch can adopt various forms such as a Hall switch, a reed pipe proximity switch, a water flow mechanical switch, an infrared induction switch and the like. A check valve 10 and a regulating valve 13 are arranged on a water flow passage from the inner container 3 to the second hot water joint 6, the purpose of the check valve 10 is to prevent water of an external common hot water pipe from flowing to the first hot water joint 5 and the first cold water joint 7 through the second hot water joint 6, and only allow a water heater to provide hot water for the common hot water pipe; the purpose of the regulating valve 13 is to limit the flow of water from the water heater to the public hot water pipe and to close the water flow path to the public hot water pipe, and the purpose of the flow limitation is two: when a plurality of water heaters are connected in parallel, because the pressure at each part of the cold water pipeline is unbalanced, the influence is eliminated by adjusting the opening of the regulating valve of each water heater; secondly, the flow is limited, so that when the temperature of inlet water is cold in winter, the water supplied by the water heater to the public hot water pipe can reach the set temperature; the water heater at least comprises two temperature sensors 12, one is attached to the inner container or arranged in the inner container to sense the water temperature of the inner container, and the other is arranged on the second hot water connector 6 to measure the water outlet temperature flowing to the public hot water pipe; the first hot water joint 5 is used for supplying hot water to a faucet, the faucet needs higher temperature for washing dishes, such as 55 degrees, the second hot water joint 6 is used for supplying hot water to a public hot water pipe, the hot water of the public hot water pipe has the purpose of bathing, and constant-temperature water outlet of about 45 degrees is needed, so the preferable control scheme is as follows: setting the highest preset water temperature in the inner container 3 to be 45 ℃, setting the water outlet temperature of the second hot water joint to be 45 ℃, and when the water flow switch is in a starting state, the water temperature of the inner container does not exceed 55 ℃; the water heater can provide water with different temperatures for the hot water connectors 5 and 6, when the faucet uses water, the water flows out from the first hot water connector 5, the limit condition of the temperature of the inner container when the water flow switch is started is 55 degrees (the highest set temperature of the inner container when the water flow switch is stopped is about 45 degrees), if the inner container is filled with 45-degree water, the heater can be started to work immediately, and as long as the installation position of the heater is proper, the 45-degree water can be heated for the second time, so that higher outlet water temperature can be obtained; when rivers flow from second hot water swivel 6, owing to adorn the temperature sensor on second hot water swivel 6 and inject the temperature degree and be 45 degrees, when the inner bag temperature was 45 degrees, the heater was out of work originally, when sensor 12 installed on the rivers passageway sensed the temperature and is less than 45 degrees, just started the heater and heats, and according to its power of its control of temperature developments, realized that the play water of second hot water swivel 6 is homothermal. Of course, the water temperature at each place can be set by the user, the above data is only a general case, and a simpler control mode can be used, for example, the temperature of the inner container is kept at 45 ℃, the water outlet of the second hot water joint is also constant, and only the hot water of the faucet can not reach high temperature.

The regulating valve 13 of the first embodiment can adopt a manual mode and an electric mode, the electric valve can automatically regulate the opening degree, when the temperature of the fully-opened water with power is lower than a set value, the water quantity is automatically reduced, and when the temperature is higher, bathing can be carried out without the cooperative work of a plurality of water heaters, the regulating valve is closed to stop supplying water to the public hot water pipe; the manual valve is adjusted manually, and the flow rate is generally adjusted according to the set water outlet temperature which can be reached in the coldest winter to prevent frequent adjustment. In addition, the regulating valve 13 and the one-way valve 10 can also be arranged outside the water heater, and can achieve the same function, only the outer head of the water heater is connected with more things, the appearance is not beautiful enough, and the mode of being assembled outside is also within the protection scope of the patent.

The embodiment is a general scheme with a certain volume of inner containers, and in the first embodiment, the following structures are available, but not limited to:

as shown in fig. 2, if the pressure of tap water is appropriate and the pressure at various positions of the pipeline is close, when a plurality of water heaters with similar power work together, the water amount of each water heater is basically the same, the water heater also can not need to adjust the valve, and only needs to control the water amount at the water using terminal to make the temperature appropriate. In addition, the structure of the water heater is not necessarily used in the situation where a plurality of water heaters are used cooperatively, and a single water heater may be used, for example, one water storage type water heater is placed under a bathroom counter basin cabinet, two cold and hot water connectors are connected to a basin faucet, and two cold and hot water connectors are connected to a cold and hot tap water pipe.

As shown in fig. 3 and 4, the first hot water connector 5 and the second hot water connector 6 are welded or assembled on the inner container 3. When the faucet is used for heating water, the hot water in the public hot water pipeline can enter the inner container 3 through the second hot water joint 6, and flows out from the first hot water joint 5 after being mixed with the water in the inner container 3; the installation mode can utilize a plurality of water heaters to supply water to the faucet, each water heater is spaced at a certain distance, so that a section of cold water exists, if water entering the faucet from the public hot water pipe through the second hot water joint 6 is not mixed through the inner container, one part of hot water is equivalent to one part of cold water or two parts of cold water, the hot water can not be supplied after the faucet is opened for a long time, and the hot water with enough temperature can not be supplied until the hot water reaches other positions, so that the structural form is specially used for assisting the hot water of the faucet by other water heaters, for the water heater with a certain volume, the structure cannot be used preferentially in practice, and the structural form is only used for increasing the patent protection range. The one-way valve 10 is installed on the water inlet channel of the inner container 3, and the installation direction of the one-way valve does not allow hot water to flow to the cold water outlet. Fig. 3 does not have a water flow switch, and in fact, the water flow switch is not an essential option in the embodiment, the heating can be controlled by the temperature change of the inner container, a temperature sensor can be installed at the position of the cold water inlet inside the inner container 3, and when cold water enters the inner container, the temperature sensor can rapidly sense the temperature drop, so that the heating is started.

On the basis of fig. 3 and 4, a bypass pipe 14 is added in fig. 5, a check valve 10 is further installed on the bypass pipe 14, the function of the added bypass pipe is that when the regulating valve 13 is closed and the water heater does not supply water to an external public hot water pipe, the public hot water pipe can also supply water to the water heater, and the structure is used when other water heaters are needed to cooperatively provide hot water when the hot water consumption of a tap is large.

As shown in figure 6, the simple water heater is a simple scheme, and the water inlet and outlet joints of the common water heater are respectively connected with a tee joint to divide cold water and hot water into two paths so as to realize the use purpose of the water heater. The cold water port is connected with a three-way valve 16, the hot water port is connected with a one-way valve three-way valve 15, the one-way valve three-way valve 15 is connected with the interface of the public hot water pipe and is provided with a one-way valve, and the direction of the one-way valve three-way valve 15 only allows water in the water heater to flow to the public hot water pipe. Of course, the check valve tee can be replaced by a common tee joint check valve. In addition, a check valve is not added.

Example two

Fig. 7 and 8 are schematic structural diagrams of a second embodiment, which is an instant water heater scheme using a steel cup heater, and as with the first embodiment, a plurality of structural forms can be adopted, and the schematic diagrams of the present embodiment only show two structural forms.

As shown in fig. 7, a first hot water joint 5 and a second hot water joint 6 are welded on a cup body of the steel cup heater, and a regulating valve 13 and a temperature sensor 12 are assembled on the second hot water joint; the regulating valve 13 can be connected by an independent valve in a threaded manner and the like, or can be directly integrated on a pipeline of the second hot water joint, and a corresponding movable part is arranged to control the sectional area of the water flow channel; the water inlet channel is provided with a water flow switch 9 and a one-way valve 10, and the purpose and the installation direction of the water flow switch are the same as those of the first embodiment. The embodiment mainly uses the regions with higher air temperature, can meet the hot water requirement of the faucet by instant heating without water storage and heat storage, and is certainly suitable for users who have low requirement on the hot water of the faucet but have requirements on the beauty and the volume of the water heater.

As shown in fig. 8, a bypass pipe 14 and a check valve 10 are added to fig. 7, the bypass pipe can be in various forms, and can be a duct of a certain integrated component, and the following functions are only required: when the regulating valve 13 is closed, the water of the common hot water pipe can be supplied to the water heater through the second hot water joint 6 and the bypass pipe 14, and the check valve 10 on the bypass pipe is used for preventing cold water from flowing out of the second hot water joint 6 through the bypass pipe.

EXAMPLE III

As shown in fig. 9 and 10, the heater is a cast aluminum heater, the cast aluminum heater is in a heat exchange form, the heater and the heat exchange pipe are cast together by aluminum, the heater heats cast aluminum firstly, the cast aluminum transfers heat to the heat exchange pipe, and the heat exchange pipe reheats water in the pipe. As shown in fig. 9, the structure of the heat exchange pipe is the same as that of the schematic diagrams in the first two examples, and in this embodiment, only how the heat exchange pipe is connected with the water inlet and outlet joint is considered, and welding and threaded connection can be adopted. As shown in fig. 10, a bypass pipe is added, which is different from the previous two examples in that a check valve 10 is added to the waterway of the second hot water joint 6 at a place where the bypass pipe is connected to the heater, the purpose of the check valve being to prevent water of the common hot water pipe from being directly heated to the first hot water joint 5 without passing through the heater through the second hot water joint 6.

The above examples are not exhaustive of all structures and methods, and considering that the existing water heater only has one water connector for each inlet and outlet, and any structural scheme with two water connectors, any scheme which can be easily conceived through the present invention is within the protection scope of the present patent.

Claims (9)

1. The utility model provides a double-circuit water supply water heater, includes shell (1), heater (2), inner bag (3), circuit board (4), its characterized in that: the water heater comprises two hot water ports, and the two hot water ports are composed of a first hot water joint (5) and a second hot water joint (6).

2. A two-way water supply water heater according to claim 1, wherein: the temperature control device also comprises at least two temperature sensors (12), wherein one temperature sensor (12) is arranged on the outer wall or the inner part of the inner container (3), and the other temperature sensor (12) is arranged on a water flow channel from the inner container (3) to the second hot water joint (6) and is not shared with the first hot water joint (5).

3. A two-way water supply water heater according to claim 1, wherein: the water heater also comprises a one-way valve (10), wherein the one-way valve (10) is arranged on a water flow path of the second hot water joint (6) and is arranged in a direction of only allowing hot water to flow out of the water heater.

4. A two-way water supply water heater according to claim 1, wherein: the water heater is characterized by further comprising a one-way valve (10), wherein the one-way valve (10) is installed on a water inlet water flow path of the water heater, and the installation direction of the one-way valve does not allow hot water to flow to a cold water joint.

5. A two-way water supply water heater according to claim 1, wherein: the water heater also comprises a regulating valve (13), and the regulating valve (13) is installed on the water flow channel of the second hot water joint (6).

6. A two-way water supply water heater according to claim 1, wherein: the water heater is characterized by further comprising a bypass pipe (14) and one-way valves (10), wherein the two ends of the bypass pipe (14) are connected with the second hot water connector (6) and the cold water pipe, the number of the one-way valves (10) is two, one-way valve is arranged on the bypass pipe and only allows water flow to flow from the second hot water connector (6) to the cold water pipe or the inner container or the heater, the other one-way valve is arranged on the cold water pipe, and the installation direction of the one-way valve does not allow water flow to flow from the water heater or the bypass pipe.

7. A two-way water supply water heater according to claim 1, wherein: the first hot water joint and the second hot water joint are formed by two joints of a tee joint.

8. A two-way water supply water heater according to claim 7, wherein: one of the joints of the tee includes a one-way valve.

9. A two-way water supply water heater according to claim 1, wherein: the heater is a cast aluminum heater (18), and further comprises bypass pipes (14) and check valves (10), wherein two ends of each bypass pipe (14) are connected with a second hot water connector (6) and a cold water pipe, the number of the check valves is three, one check valve is arranged on each bypass pipe, and only water flow is allowed to flow from the second hot water connector (6) to the cold water pipe; a check valve is arranged on the water flow channel of the second hot water joint, only allows water flow to flow out of the second hot water joint, and the mounting position of the check valve cannot prevent the water flow from flowing from the second hot water joint to the cold water pipe through the bypass pipe; a check valve is mounted in the cold water pipe in a direction that does not permit water flow from the boiler or bypass pipe to the cold water outlet.

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