CN215864068U - Inner container assembly and electric water heater - Google Patents
Inner container assembly and electric water heater Download PDFInfo
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- CN215864068U CN215864068U CN202121229299.XU CN202121229299U CN215864068U CN 215864068 U CN215864068 U CN 215864068U CN 202121229299 U CN202121229299 U CN 202121229299U CN 215864068 U CN215864068 U CN 215864068U
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- liner
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Abstract
The utility model relates to the field of electric water heater structures, and discloses an inner container assembly and an electric water heater, wherein the inner container assembly comprises an inner container (1), a pressure-bearing detection device and a control device (2), the pressure-bearing detection device is used for detecting the pressure-bearing condition of the inner container, a water inlet pipe (3) and a water outlet pipe (4) are arranged on the inner container (1), a switch device (5) is installed on the water inlet pipe (3), and the control device (2) controls the opening and closing of the switch device (5) according to a detection signal fed back by the pressure-bearing detection device. The liner assembly can reduce the pressure borne by the liner, reduce the requirement on the material strength of the liner and reduce the cost.
Description
Technical Field
The utility model relates to an electric water heater structure, in particular to an inner container assembly. The utility model also relates to an electric water heater with the inner container assembly.
Background
With the improvement of economic level, the electric water heater is more and more favored by people, and the development of the electric water heater is more and more rapid. The electric water heater is a water heater which takes electricity as energy source for heating, and is one of three water heaters which are parallel to a gas water heater and a solar water heater. The electric water heater can be divided into a heat storage type, an instant heating type and an instant heating type according to the heating power.
The inner container is an important part of the water heater, and is directly related to the quality of the water heater, and the inner container is a container for containing water and a place for heating the water. The current heat storage type electric water heater basically adopts a closed water storage cavity, an inner container of the electric water heater is communicated with running water through a water inlet pipe, the inner container needs to bear the water pressure of the running water, the pressure is usually higher, the inner container needs to adopt a material with higher material strength to meet the requirement, the cost is high, and particularly in the area with high water pressure, the inner container is easy to leak and break, the water inlet pipe and a water outlet pipe fall off, and the pressure release valve drips, leaks water, blocks and other problems.
Accordingly, there is a need for a liner assembly that overcomes or alleviates the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liner assembly, which can reduce the pressure borne by a liner, reduce the requirement on the material strength of the liner and reduce the cost.
The utility model further aims to provide an electric water heater, which can effectively reduce the cost.
In order to solve the technical problem, a first aspect of the present invention provides an inner container assembly, which includes an inner container, a pressure-bearing detection device for detecting a pressure-bearing condition of the inner container, and a control device, wherein the inner container is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is provided with a switch device, and the control device controls the on/off of the switch device according to a detection signal fed back by the pressure-bearing detection device.
Optionally, the pressure-bearing detection device is a pressure detection device, and the pressure detection device is installed on the water inlet pipe, the water outlet pipe or the inner container.
Specifically, the switch device is an electromagnetic valve, and the pressure detection device and the switch device are respectively electrically connected with the control device.
Further specifically, the pressure detection device is a pressure sensor.
Optionally, a drain pipe is further arranged on the inner container.
Optionally, a pressure relief device is arranged on the water inlet pipe, the water outlet pipe or the sewage discharge pipe.
Specifically, a water mixing valve is mounted on the water outlet pipe.
More specifically, the inner container is made of aluminum alloy, plastic or glass.
Optionally, the pressure-bearing detection device is the flow detection device, and the flow detection device is installed on the water outlet pipe.
Specifically, the flow rate detection device is a flow meter or a flow sensor.
A second aspect of the utility model provides an electric water heater comprising the liner assembly according to any one of the above aspects.
Through the technical scheme, the utility model has the following beneficial effects:
the pressure-bearing detection device is used for detecting pressure information in the inner container and transmitting a detection signal to the control device, and the control device controls the opening and closing of the switch device according to the received detection signal. Specifically, when a user uses water, the water outlet pipe is communicated with the outside, and at the moment, the control device controls the opening of the switch device based on the detection signal, so that the pressure in the liner is equal to the atmospheric pressure, and the liner is not pressurized; when the user closed the outlet pipe, the outlet pipe was kept apart with the external world this moment, and based on detecting signal, controlling means control switch device's closure made the inlet tube also keep apart with the external world to make inner bag and external isolation, not receive external atmospheric pressure effect, only bear little pressure in the inner bag, can regard as the inner bag not bearing pressure. Therefore, the inner container can be prepared by using the material with lower material strength, and the cost is effectively reduced. And the pressure relief valve can be suitable for areas with high water pressure, and can prevent the water leakage and the rupture of the inner container, the falling of the water inlet pipe and the water outlet pipe, the water dripping, the water leakage, the blockage and other problems of the pressure relief valve and the like.
In addition, can also install pressure relief device on inlet tube, outlet pipe or blow off pipe isotructure, like the relief valve, when the user does not use water and the water in the inner bag is in the heating state, steam heating inflation can produce pressure, and when pressure exceeded the threshold value of relief valve, relief valve release pressure guaranteed that the inner bag only bears little pressure.
Specifically, the inner container can be made of corrosion-resistant materials such as aluminum alloy, plastic or glass, and therefore protective materials such as a magnesium rod for preventing corrosion of the inner container do not need to be arranged in the inner container, and cost is saved.
Further advantages and preferred technical effects of the present invention will be further described in the following detailed description.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic illustration of a bladder assembly in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of control logic for an embodiment of the present invention.
Description of the reference numerals
1 inner container 2 control device
3 water inlet pipe and 4 water outlet pipe
5 switching device 6 pressure detection device
7 blow-off pipe 8 pressure relief device
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be understood that, in the present invention, in the case where the description is not made on the contrary, for convenience of describing the present invention and simplifying the description, the term "up and down" refers to the up and down direction of the liner assembly itself, for example, as shown in fig. 1, the liner 1 is located at the upper side, and relatively, the water inlet pipe 3 is located at the lower side; the terminology is based on the orientation or positional relationship shown in the drawings and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model, which should be read in connection with actual installation.
As shown in fig. 1, in a specific embodiment of the present invention, the liner assembly includes a liner 1, a pressure-bearing detection device and a control device 2, the pressure-bearing detection device is used for detecting liner pressure, a water inlet pipe 3 and a water outlet pipe 4 are connected to the liner 1, a switch device 5 is installed on the water inlet pipe 3, the switch device 5 is electrically connected to the control device 2, and the control device 2 controls the switch device 5 to be turned on and off based on a detection signal fed back by the pressure-bearing detection device.
It should be noted that the liner assembly of the present invention is mainly applied to an electric water heater, the electric water heater belongs to water heater equipment, and the control device 2 of the electric water heater generally belongs to conventional components in the water heater, such as a single chip microcomputer, a programmable logic controller, etc., on this basis, the switch device 5 of the present invention is electrically connected to the control device 2, and the control device 2 is enabled to perform control operation based on the detection signal of the switch device 5 and through logic judgment and software algorithm calculation, which is relatively mature in the realization of the control technology under the teaching of the technical concept of the present invention.
According to the inner container assembly, the pressure-bearing detection device and the switch device 5 are additionally arranged, the pressure-bearing detection device can be used for detecting the pressure-bearing condition of the inner container, when a user uses water, the water outlet pipe is communicated with the external atmosphere, the control device 2 controls the switch device 5 to be opened based on a detection signal detected by the pressure-bearing detection device, tap water enters the water inlet pipe, the inner container does not bear pressure at the moment, the pressure in the inner container is equal to the atmospheric pressure, and the user uses water normally; when the user stops using water, based on the detection signal that pressure-bearing detection device detected, controlling means 2 control switching device 5 closes, cuts off inner bag and running water, and the outlet pipe also cuts off with the external world this moment, and the inner bag only bears little pressure, and pressure can be ignored, can regard as the inner bag not bearing pressure this moment. Therefore, the inner container can be prepared by adopting a material with lower strength, so that the cost can be effectively reduced; moreover, the inner container is not pressure-bearing, so that the water-saving water dispenser is suitable for various water pressure environments, the risk of water leakage and fracture of the inner container can be reduced, and the risk of dropping, water leakage and blockage of the water inlet pipe and the water outlet pipe and the pressure release valve is reduced.
In a preferred embodiment of the present invention, the pressure-bearing detection device may be a pressure detection device 6, such as a pressure sensor, and the pressure detection device 6 is electrically connected to the control device 2; the pressure detection device 6 is used for detecting the pressure of the inner container, a pressure value is set as a threshold value, based on a pressure signal of the pressure detection device 6, when a user uses water, the water outlet pipe is communicated with the external atmosphere, the pressure signal detected by the pressure detection device 6 is smaller than the threshold value, the control device 2 controls the switch device 5 to be opened, tap water enters the water inlet pipe, at the moment, the inner container does not bear pressure, the pressure in the inner container is equal to the atmospheric pressure, and the user uses water normally; when a user stops using water, the pressure signal detected by the pressure detection device 6 is larger than a set value, the control device 2 controls the switch device 5 to be closed, the inner container is isolated from tap water, the water outlet pipe 4 is isolated from the outside at the moment, the inner container only bears small pressure, the pressure can be ignored, and the inner container can be considered not to bear pressure at the moment.
In some embodiments of the present invention, the pressure detecting device 6 may be disposed on the water outlet pipe 4 as shown in fig. 1, of course, the pressure detecting device 6 may also be disposed on the water inlet pipe 3, or the pressure detecting device 6 may be disposed directly on the liner 1, such as on the top of the liner 1, or the pressure detecting device 6 may also be disposed on a pipeline connected to the liner 1.
In a specific embodiment of the present invention, the pressure-bearing detection device may also be a flow detection device, such as a flowmeter, a flow sensor, etc., and the flow detection device may be installed on the water outlet pipe 4. The flow detection device can detect the flow of the water output from the water outlet pipe 4, thereby indirectly judging the pressure-bearing condition of the liner 1; when a user uses water, the water outlet pipe is communicated with the external atmosphere, the flow detection device can detect the output flow in the water outlet pipe 4, and further the detection signal is fed back to the control device 2, the control device 2 controls the switch device 5 to be opened, tap water enters the water inlet pipe, at the moment, the inner container is not loaded with pressure, the pressure in the inner container is equal to the atmospheric pressure, and the user uses the water normally; when the user stops using water, the flow detection device can not detect the flow of water, and then feeds a detection signal back to the control device 2, the control device 2 controls the switch device 5 to be closed, the inner container is separated from tap water, the water outlet pipe 4 is also separated from the outside at the moment, the inner container only bears slight pressure, the pressure can be ignored, and the inner container can be considered as not bearing pressure at the moment.
In a specific embodiment of the present invention, the pressure-bearing detection device may also be a liquid level detection device, such as a water level sensor, which is disposed in the inner container 1 and can accurately measure the water level in the inner container 1, thereby indirectly determining the pressure-bearing condition of the inner container 1; when a user uses water, the water outlet pipe is communicated with the external atmosphere, the water level in the inner container 1 is lower than the set water level, the liquid level detection device feeds a detection signal back to the control device 2, the control device 2 controls the switch device 5 to be opened, tap water enters the water inlet pipe, the inner container does not bear pressure at the moment, the pressure in the inner container is equal to the atmospheric pressure, and the user uses the water normally; when the user stops using water, the water outlet pipe 4 is separated from the outside, the water level in the inner container 1 reaches the set water level, the liquid level detection device feeds a detection signal back to the control device 2, the control device 2 controls the switch device 5 to be closed, the inner container 1 is separated from tap water, the inner container 1 only bears small pressure at the moment, the pressure can be ignored, and the inner container 1 can be considered as not bearing pressure at the moment.
Generally, a drain pipe 7 is further installed on the liner, and a drain nut on the drain pipe 7 is screwed off to drain water in the liner, so that scale and dirt in the liner are simultaneously carried out, and the drain cleaning of the liner is completed.
In some embodiments of the present invention, a pressure relief device 8 may be provided, for example, the pressure relief device 8 is installed on the water inlet pipe 3, or the pressure relief device 8 is installed on the water outlet pipe 4, or the pressure relief device 8 is installed on the sewage discharge pipe 7, so as to prevent the water pressure in the inner container 1 from being too high. The pressure relief device 8 is preferably a pressure relief valve, when the user stops using water and the heater still heats the water in the inner container 1, the pressure in the inner container 1 can be increased by the steam generated by heating at the moment, the threshold value of the pressure relief valve is set, and when the pressure exceeds the threshold value of the pressure relief valve, the pressure relief valve starts to release air pressure, so that the inner container 1 is guaranteed to bear the small pressure.
Generally, a mixing valve having a hot water inlet, a cold water inlet and a water outlet is installed on the water outlet pipe 4, and a handle is rotated to adjust a mixing ratio of hot water and cold water, thereby discharging a water flow having an appropriate temperature.
In some embodiments of the present invention, the switch device 5 is a solenoid valve, such as a two-position two-way solenoid directional valve, and the switch device 5 is electrically connected to the control device 2; of course, the switching device 5 may be a pilot hydraulic valve, and the switching device 5 may be controlled by the control device 2.
In some specific embodiments of the utility model, the inner container 1 can be made of corrosion-resistant materials such as aluminum alloy, plastic or glass, and the wall thickness of the inner container 1 can be reduced, for example, the wall thickness of the inner container 1 is reduced to 2mm, so that the cost is reduced; moreover, because the inner container 1 is made of corrosion-resistant materials, protective materials such as magnesium rods and the like for preventing the inner container 1 from being corroded can be omitted, and the cost is further saved. Of course, the inner container 1 may also be made of other materials with lower strength, or the inner container 1 may also be made of other materials with higher strength, for example, the inner container 1 is made of steel, and the cost is reduced by reducing the wall thickness of the inner container 1.
To facilitate an understanding of the technical concepts and advantages of the present invention, a relatively comprehensive description of preferred features of the present invention is provided below.
Referring to fig. 1, in a preferred embodiment of the present invention, the liner assembly includes a liner 1, a pressure-bearing detection device and a control device 2, a water inlet pipe 3, a water outlet pipe 4 and a sewage discharge pipe 7 are installed below the liner 1, a sewage discharge nut is installed on the sewage discharge pipe 7 to facilitate cleaning of scale and dirt in water, a water mixing valve is installed on the water outlet pipe 4, a switch device 5, such as a two-position two-way electromagnetic valve, is installed on the water inlet pipe 3, and the switch device 5 is electrically connected with the control device 2; the pressure-bearing detection device is preferably a pressure detection device 6, such as a pressure sensor, the pressure detection device 6 is installed on the liner 1, or the pressure detection device 6 is installed on the water inlet pipe 3, or the pressure detection device 6 is installed on the water outlet pipe 4, and the pressure detection device 6 is electrically connected with the control device 2; a pressure relief device 8, such as a pressure relief valve, is also provided, the pressure relief device 8 being mountable on the water inlet pipe 3, or the pressure relief device 8 being mountable on the water outlet pipe 4, or the pressure relief device 8 being mountable on the sewage drain pipe 7.
The liner component is applied to a specific electric water heater, referring to fig. 2, when a user opens a water mixing valve, a water outlet pipe 4 is communicated with a shower head through the water mixing valve, a pressure detection device 6 detects that a pressure value is close to zero pressure and is smaller than a set pressure value, the pressure detection device 6 feeds a detection signal back to a control device 2, the control device 2 outputs a signal to open a switch device 5, so that a water inlet pipe 3 is communicated with tap water, and the user can normally use the water; under the condition that a user closes the water mixing valve, the water outlet pipe 4 is isolated from the external atmospheric pressure, the water pressure of tap water is transmitted to the inner container 1 and a related pipeline through the water inlet pipe 3, the pressure detection device 6 detects that the pressure value is greater than the set pressure value, the control device 2 receives a detection signal transmitted by the pressure detection device 6, then the control device 2 outputs a control signal to close the switch device 5, and after the switch device 5 is closed, the tap water pressure is isolated, so that the inner container 1 is isolated from the outside integrally, and the inner container only bears the slight pressure; under the condition that the user closes the water mixing valve and the heater heats water in the inner container 1, steam heating expansion produces pressure, and after pressure exceeded the threshold value of relief valve, the action of relief valve released pressure guarantees that the inner container 1 only bears little pressure. Wherein, the micro pressure can be ignored, and the inner bag 1 is approximately in the unpressurized state.
Through the logic control, the inner container 1 can be in a non-pressure-bearing state, so that the electric water heater with the inner container assembly can be suitable for various water pressure environments, the problem of pressure bearing of the inner container of the electric water heater is solved, and the common product problems of water leakage, rupture, water dripping of the pressure release valve and the like of the inner container of the electric water heater are avoided. Moreover, the inner container 1 is allowed to be made of low-strength materials, or the wall thickness of the inner container 1 is reduced, so that the cost is reduced; furthermore, aluminum plates, plastics, glass and other corrosion-resistant materials can be adopted, and magnesium rods and other protective materials for preventing the inner container from being corroded are not required to be installed.
The electric water heater of the utility model can be provided with the liner assembly described in any embodiment, namely, all technical schemes of all the liner assembly embodiments are adopted, so that the electric water heater at least has all beneficial effects brought by the technical schemes of the liner assembly embodiments.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "a specific implementation," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the utility model. The utility model is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (11)
1. The inner container assembly is characterized by comprising an inner container (1), a pressure-bearing detection device and a control device (2), wherein the pressure-bearing detection device is used for detecting the pressure-bearing condition of the inner container, the inner container (1) is provided with a water inlet pipe (3) and a water outlet pipe (4), the water inlet pipe (3) is provided with a switch device (5), and the control device (2) controls the on-off of the switch device (5) according to a detection signal fed back by the pressure-bearing detection device.
2. The liner assembly according to claim 1, wherein the pressure detection device is a pressure detection device (6), and the pressure detection device (6) is mounted on the water inlet pipe (3), the water outlet pipe (4) or the liner (1).
3. The liner assembly according to claim 2, wherein the switch device (5) is a solenoid valve, and the pressure detection device (6) and the switch device (5) are electrically connected to the control device (2), respectively.
4. The liner assembly according to claim 2 or 3, wherein the pressure detection device (6) is a pressure sensor.
5. A liner assembly according to any one of claims 1 to 3, wherein a drain pipe (7) is further provided on the liner (1).
6. The liner assembly according to claim 5, wherein a pressure relief device (8) is mounted on the water inlet pipe (3), the water outlet pipe (4) or the sewage pipe (7).
7. A bladder assembly according to any one of claims 1 to 3, wherein a mixing valve is mounted on the outlet pipe (4).
8. The liner assembly according to any one of claims 1 to 3, wherein the liner (1) is made of an aluminium alloy, plastic or glass.
9. The liner assembly according to claim 1, wherein the pressure detection means is the flow detection means mounted on the outlet pipe (4).
10. The liner assembly of claim 9, wherein the flow sensing device is a flow meter or a flow sensor.
11. An electric water heater comprising a bladder assembly according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121229299.XU CN215864068U (en) | 2021-06-02 | 2021-06-02 | Inner container assembly and electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121229299.XU CN215864068U (en) | 2021-06-02 | 2021-06-02 | Inner container assembly and electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215864068U true CN215864068U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121229299.XU Active CN215864068U (en) | 2021-06-02 | 2021-06-02 | Inner container assembly and electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215864068U (en) |
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2021
- 2021-06-02 CN CN202121229299.XU patent/CN215864068U/en active Active
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