Mechanical digital display type electric water heater

Abstract

The utility model discloses a mechanical digital display type electric water heater, which belongs to the technical field of water heaters, and comprises a shell, an inner container, a temperature adjusting component and a display component, and the inner container is arranged in the shell; the temperature adjusting assembly comprises a temperature adjusting knob and a temperature controller, the temperature adjusting knob is arranged at a first position of the shell, and the temperature controller is connected with the temperature adjusting knob; the display assembly comprises a display box and a display panel, the display box is arranged at the second position of the shell, the front side of the display box is provided with a receding opening allowing at least part of the display panel to be exposed, and the display panel is used for displaying the temperature value of water in the inner container. The temperature adjusting knob and the display box are located at different positions, the temperature adjusting knob of an existing mechanical water heater can be reserved to the maximum extent, only a thermometer on the existing mechanical water heater needs to be replaced with the display assembly, the structure change is small, cost is reduced, and the cost performance of the whole machine is improved; the temperature can be displayed more visually and accurately through the display panel, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a mechanical digital display type electric water heater. Background Art

[0002] Water heaters are divided into mechanical and electronic digital display types. Mechanical water heaters are usually adjusted by a thermostat. Usually, the thermostat can be adjusted by turning the thermostat knob, thereby controlling the heating time of the heating tube to change the temperature, which is convenient for users to operate. Mechanical electric water heaters are usually displayed by a thermometer. The temperature probe on the back of the thermometer is attached to the inner tank wall to sense the temperature, and the pointer of the thermometer indicates the temperature value on the dial.

[0003] The temperature adjustment of mechanical electric water heaters is simple and convenient, but the temperature display accuracy is low. Users can only roughly understand the water temperature in the inner tank through the pointer, and roughly distinguish between cold water, warm water and hot water. It cannot meet the user's need to intuitively and accurately understand the water temperature in the inner tank. Utility Model Content

[0004] The utility model aims to provide a mechanical digital display electric water heater to solve the technical problem of low temperature accuracy of the temperature meter used in the mechanical electric water heater in the prior art.

[0005] As conceived above, the technical solution adopted by the utility model is:

[0006] A mechanical digital display electric water heater, comprising:

[0007] shell;

[0008] An inner liner is arranged in the outer shell;

[0009] A temperature adjustment component, comprising a temperature adjustment knob and a temperature controller, wherein the temperature adjustment knob is arranged at a first position of the housing, and the temperature controller is connected to the temperature adjustment knob;

[0010] The display assembly includes a display box and a display panel. The display box is arranged at the second position of the shell. The front side of the display box is provided with a clearance opening for exposing at least part of the display panel. The display panel is used to display the temperature value of the water in the inner tank.

[0011] Preferably, it further comprises a power board, which is arranged in the display box and integrated with the display panel.

[0012] Preferably, it further comprises a circuit board, which is arranged in the display box, and the power board and the display board are both arranged on the circuit board.

[0013] Preferably, the display box is provided with a threading hole, and the threading hole can at least pass a power cord, and the power cord is electrically connected to the power board.

[0014] Preferably, the display box comprises a front box body and a rear box body, the front box body and the rear box body are buckled to form a receiving cavity, the display panel is located in the receiving cavity, and the clearance opening is located at the front side of the front box body.

[0015] Preferably, the front box body is snap-fitted to the shell; and / or the rear box body is snap-fitted to the shell.

[0016] Preferably, the front box body is located on the outside of the shell, the rear box body is located on the inside of the shell, and the front box body covers the connection between the rear box body and the shell.

[0017] Preferably, a scale bar is provided on the housing, and the scale bar is arranged around the circumference of the temperature adjustment knob, and the temperature adjustment knob includes an indicating portion for indicating the scale bar.

[0018] Preferably, the display assembly further comprises a temperature sensing probe, the temperature sensing probe is electrically connected to the display panel, and the temperature sensing probe is used to detect the temperature of the water in the inner tank.

[0019] Preferably, the outer shell includes a middle barrel and end covers arranged at both ends of the middle barrel, the temperature adjustment knob is located on one of the end covers, and the display box is located in the middle barrel.

[0020] Beneficial effects of the utility model:

[0021] The mechanical digital display electric water heater proposed by the utility model adjusts the thermostat through a temperature adjustment knob, and displays the temperature through a display panel, that is, the temperature adjustment knob cooperates with the display panel to achieve temperature adjustment and display; the temperature adjustment knob is arranged at a first position of the shell, and the display box is arranged at a second position of the shell, so that the temperature adjustment knob of the existing mechanical water heater can be retained to the greatest extent, and only the temperature gauge on the existing mechanical water heater needs to be replaced with a display component, with minor structural changes, thus reducing costs and improving the cost performance of the whole machine; the temperature can be simply and conveniently adjusted through the temperature adjustment knob, and the temperature can be displayed more intuitively and accurately through the display panel, thereby improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a mechanical digital display electric water heater provided by an embodiment of the utility model;

[0023] Figure 2 It is a side view of a mechanical digital display electric water heater provided by an embodiment of the utility model;

[0024] Figure 3 yes Figure 2 AA section view;

[0025] Figure 4 yes Figure 3 Schematic diagram of some structures;

[0026] Figure 5 This is a front view of a mechanical digital display electric water heater provided by an embodiment of the utility model;

[0027] Figure 6 yes Figure 5 BB section view;

[0028] Figure 7 yes Figure 6 Schematic diagram of some structures;

[0029] Figure 8 It is a schematic diagram of the structure of the display assembly provided by an embodiment of the utility model;

[0030] Fig. 9 It is a schematic diagram of the exploded structure of the display assembly, power board, and circuit board provided in the embodiment of the utility model;

[0031] Fig.10 It is a structural schematic diagram of the front box body provided by an embodiment of the utility model;

[0032] Fig.11 This is a schematic diagram of the structure of the front box body and the circuit board assembly provided by the embodiment of the utility model;

[0033] Fig.12 It is a schematic structural diagram of the assembly of the front box body and the housing provided by the embodiment of the utility model;

[0034] Fig.13 yes Fig.12 Enlarged view of point C;

[0035] Fig.14 It is a partial structural schematic diagram of a mechanical digital display electric water heater provided by an embodiment of the utility model;

[0036] Fig.15 yes Fig.14 The enlarged view of point D;

[0037] Fig.16 It is a partial structural schematic diagram of a housing provided in an embodiment of the utility model.

[0038] In the figure:

[0039] 10. housing; 11. avoidance opening; 12. first card slot; 13. first positioning slot; 14. second card slot; 15. second positioning slot;

[0040] 20. Inner liner;

[0041] 31. Temperature adjustment knob; 311. Indicator; 32. Thermostat;

[0042] 41. display box; 411. front box body; 4111. clearance opening; 4112. mounting column; 4113. positioning protrusion; 4114. first buckle; 4115. first positioning column; 412. rear box body; 4121. threading hole; 4122. second buckle; 4123. second positioning column; 4124. first avoidance groove; 4125. second avoidance groove; 42. display board;

[0043] 50. Power board;

[0044] 60. Circuit board; 61. Mounting hole. DETAILED DESCRIPTION

[0045] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0046] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0048] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0049] See also Figures 1 to 16The embodiment of the utility model provides a mechanical digital display electric water heater, including a shell 10, an inner tank 20, a temperature adjustment component and a display component. The inner tank 20 is arranged in the shell 10, and the temperature adjustment component includes a temperature adjustment knob 31 and a thermostat 32. The temperature adjustment knob 31 is arranged at a first position of the shell 10, and the thermostat 32 is connected to the temperature adjustment knob 31; the display component includes a display box 41 and a display board 42. The display box 41 is arranged at a second position of the shell 10. The front side of the display box 41 is provided with a make way opening 4111 for exposing at least part of the display board 42, and the display board 42 is used to display the temperature value of the water in the inner tank 20.

[0050] The temperature controller 32 is adjusted by the temperature adjustment knob 31, and the temperature is displayed by the display panel 42, that is, the temperature adjustment knob 31 and the display panel 42 cooperate to achieve temperature adjustment and display; the temperature adjustment knob 31 is set at the first position of the shell 10, and the display box 41 is set at the second position of the shell 10, which can retain the temperature adjustment knob 31 of the existing mechanical water heater to the greatest extent. It is only necessary to replace the temperature gauge on the existing mechanical water heater with a display component, and the structural change is relatively small, which reduces the cost and improves the cost performance of the whole machine; the temperature can be simply and conveniently adjusted by the temperature adjustment knob 31, and the temperature can be displayed more intuitively and accurately by the display panel 42, thereby improving the user experience.

[0051] The thermostat 32 is a common component in a water heater. The thermostat 32 has a lever connected to the temperature adjustment knob 31. When the temperature adjustment knob 31 is turned, the lever rotates synchronously and drives the rotating shaft of the thermostat 32 to rotate to achieve temperature setting.

[0052] The shape of the housing 10 can be cylindrical or rectangular. In this embodiment, the housing 10 includes a middle barrel and end covers disposed at both ends of the middle barrel, the temperature adjustment knob 31 is located at one end cover, and the display box 41 is located in the middle barrel.

[0053] The housing 10 is provided with a scale bar, which is arranged around the circumference of the temperature adjustment knob 31. The temperature adjustment knob 31 includes an indication portion 311 for indicating the scale bar. The scale bar may be provided with a plurality of scale values ​​for roughly indicating the set temperature. The indication portion 311 may be a protrusion provided on the temperature adjustment knob 31. The scale bar may be a strip structure with a gradually changing width, and the width of the scale bar gradually increases as the set temperature increases.

[0054] The mechanical digital display electric water heater also includes an indicator light, which is arranged on the housing 10 or on the temperature adjustment knob 31. The color of the indicator light can be changed. The on or off of the indicator light indicates whether the water heater is on or off, that is, when the water heater is on, the indicator light is on, and when the water heater is off, the indicator light is off. In the on state, different working states of the water heater are indicated by different colors of the indicator light, such as heating or heating completion.

[0055] The mechanical digital display electric water heater further includes a power board 50, which is disposed in the display box 41 and integrated with the display board 42. By integrating the power board 50 with the display board 42, the structure is optimized, production and assembly are facilitated, production efficiency is improved, the cost of the whole machine is reduced, and user experience is improved.

[0056] Specifically, the mechanical digital display electric water heater further includes a circuit board 60, which is disposed in the display box 41, and the power board 50 and the display board 42 are both disposed on the circuit board 60. In this embodiment, the power board 50 and the display board 42 are distributed on opposite sides of the circuit board 60. The circuit board 60 and the display box 41 can be connected by screws.

[0057] The display box 41 is provided with a threading hole 4121, through which at least a power line can be passed, and the power line is electrically connected to the power board 50. In this embodiment, the opening 4111 is provided at the front side of the display box 41, and the threading hole 4121 is provided at the rear side of the display box 41.

[0058] For ease of assembly, the display box 41 is configured as a split structure. The display box 41 includes a front box body 411 and a rear box body 412. The front box body 411 and the rear box body 412 are buckled together to form a receiving cavity. The display panel 42 is located in the receiving cavity. The clearance opening 4111 is located at the front side of the front box body 411. The threading hole 4121 is provided in the rear box body 412.

[0059] The circuit board 60 is connected to the front box body 411, the display panel 42 is located at the front side of the circuit board 60, and is convenient to be exposed from the clearance opening 4111, and the power board 50 is located at the rear side of the circuit board 60. In the display box 41, at least the clearance opening 4111 is exposed to the housing 10, so that the temperature of the display panel 42 can be easily observed.

[0060] The front box body 411 is snap-fitted with the housing 10; and / or, the rear box body 412 is snap-fitted with the housing 10. It is convenient to install and disassemble. In this embodiment, the front box body 411 is snap-fitted with the housing 10, and the rear box body 412 is snap-fitted with the housing 10. The front box body 411 and the rear box body 412 are independent of each other, so screwing is avoided, and installation and disassembly are convenient. In some embodiments, the front box body 411 is snap-fitted with the housing 10, and the rear box body 412 is snap-fitted with the front box body 411. In some embodiments, the rear box body 412 is snap-fitted with the housing 10, and the front box body 411 and the rear box body 412 are snap-fitted.

[0061] In this embodiment, the front box body 411 is located on the outside of the housing 10, and the rear box body 412 is located on the inside of the housing 10, and the front box body 411 blocks the connection between the rear box body 412 and the housing 10. During installation, the display panel 42, the power board 50 and the circuit board 60 inside the front box body 411 are first installed, and then the front box body 411 is clamped with the housing 10 from the outside of the housing 10, and then the rear box body 412 is clamped with the housing 10 from the inside of the housing 10, so that the display panel 42, the power board 50 and the circuit board 60 are all located between the front box body 411 and the rear box body 412. The rear box body 412 is specifically located between the housing 10 and the inner tank 20 to prevent overflow onto the circuit board 60.

[0062] It is understandable that a avoidance opening 11 is provided on the housing 10 at a position corresponding to the make way opening 4111 to facilitate exposure of the display panel 42 .

[0063] See also Figures 9 to 16 The circuit board 60 is connected to the front box body 411 by screws. The circuit board 60 is provided with a mounting hole 61, and the front box body 411 is provided with a mounting post 4112. The mounting post 4112 is provided with a threaded hole, and the screw passes through the mounting hole 61 and is threadedly connected with the threaded hole.

[0064] In order to facilitate the installation of the circuit board 60, a plurality of positioning protrusions 4113 are provided on the front box body 411, and the plurality of positioning protrusions 4113 are arranged to form a positioning space. When installing the circuit board 60, the circuit board 60 is inserted into the positioning space so that the circumferential edge of the circuit board 60 abuts against the positioning protrusions 4113, thereby positioning the circuit board 60. When the circuit board 60 is inserted into the positioning space, the mounting hole 61 is directly opposite to the threaded hole, which is convenient for installing screws.

[0065] The front box body 411 is snap-connected with the housing 10. Specifically, a first snap 4114 is provided on the rear side of the front box body 411, and a first card slot 12 is provided on the housing 10 at a position corresponding to the first snap 4114. When the front box body 411 is installed, the front box body 411 is moved from the outside of the housing 10 so that the first snap 4114 is inserted into the first card slot 12. The first snap 4114 itself may be elastic and snap into the first card slot 12 by deformation. In this embodiment, the first snap 4114 is bent and extended toward one side of the front box body 411. After the first snap 4114 is inserted into the first card slot 12, the first snap 4114 is snapped onto the housing 10 by sliding the front box body 411.

[0066] A first positioning column 4115 is provided on the rear side of the front box body 411, and a first positioning groove 13 is provided on the housing 10 at a position corresponding to the first positioning column 4115. When the front box body 411 is installed, the first buckle 4114 is inserted into the first clamping groove 12, and the first positioning column 4115 is inserted into the first positioning groove 13, which plays a positioning role. Furthermore, the first positioning column 4115 itself has elasticity, and is squeezed into the first positioning groove 13 by deformation, which plays a fastening role. When the front box body 411 is slid, the first positioning column 4115 slides in the first positioning groove 13.

[0067] In this embodiment, a plurality of first buckles 4114 are provided, and the plurality of first buckles 4114 are arranged at intervals around the circumference of the front box body 411 to increase the contact area and improve the stability of the clamping.

[0068] The rear box body 412 is snap-connected with the housing 10. Specifically, a second snap 4122 is provided on the front side of the rear box body 412, and a second card slot 14 is provided on the housing 10 at a position corresponding to the second snap 4122. When the rear box body 412 is installed, the rear box body 412 is moved from the inner side of the housing 10 so that the second snap 4122 is inserted into the second card slot 14. The second snap 4122 itself may be elastic and is snapped into the second card slot 14 by deformation. In this embodiment, the second snap 4122 is bent and extended toward one side of the rear box body 412. After the second snap 4122 is inserted into the second card slot 14, the second snap 4122 is snapped onto the housing 10 by sliding the rear box body 412.

[0069] A second positioning post 4123 is disposed on the front side of the rear box body 412, and a second positioning groove 15 is disposed on the housing 10 at a position corresponding to the second positioning post 4123. The second positioning post 4123 itself is elastic and is deformed and squeezed into the second positioning groove 15 to play a fastening role. After the rear box body 412 is slid, the second positioning post 4123 is inserted into the second positioning groove 15.

[0070] In this embodiment, a plurality of second clips 4122 are provided, and the plurality of second clips 4122 are arranged at intervals around the circumference of the rear box body 412 to increase the contact area and improve the stability of the clip connection.

[0071] A first avoidance groove 4124 is provided on the rear box body 412 at a position corresponding to the first buckle 4114. When the rear box body 412 is installed, the first buckle 4114 is inserted into the first avoidance groove 4124, so that the rear box body 412 can fit the inner wall of the housing 10. A second avoidance groove 4125 is provided on the rear box body 412 at a position corresponding to the first positioning column 4115. When the rear box body 412 is installed, the first positioning column 4115 is inserted into the second avoidance groove 4125, so that the rear box body 412 can fit the inner wall of the housing 10.

[0072] On the housing 10 , the first card slots 12 and the second card slots 14 can be arranged alternately to fully utilize the space and ensure uniform force.

[0073] During installation, the display panel 42 and the power board 50 are first integrated on the circuit board 60, and the circuit board 60 is connected to the front box body 411 by screws, so that the display panel 42 is directly opposite to the clearance opening 4111. Specifically, the display panel 42 and the inner wall of the front box body 411 are abutted, so that part of the display panel 42 is exposed from the clearance opening 4111. Then the front box body 411 is installed from the front side of the shell 10, so that the first buckle 4114 is inserted into the first clamping groove 12, and the first buckle 4114 is clamped with the shell 10 by sliding the front box body 411. Then the rear box body 412 is installed from the inner side of the shell 10, and the second buckle 4122 is inserted into the second clamping groove 14, and the second buckle 4122 is clamped with the shell 10 by sliding the rear box body 412.

[0074] The display assembly also includes a temperature sensing probe, which is electrically connected to the display panel 42 and is used to detect the temperature of the water in the inner tank 20. The mechanical digital display electric water heater also includes a heating tube, which is arranged in the inner tank 20. In this embodiment, the temperature sensing probe is located in the blind tube of the heating tube to achieve temperature sensing.

[0075] The mechanical digital display electric water heater adjusts the temperature controller 32 through the temperature adjustment knob 31 and displays the temperature through the display panel 42, which can display the temperature more intuitively and accurately, and improve the user experience. The temperature adjustment knob 31 and the display box 41 are set at different positions, and the temperature adjustment knob 31 of the existing mechanical water heater can be retained to the greatest extent. It is only necessary to replace the temperature gauge on the existing mechanical water heater with a display component, and the structural change is small, which reduces the cost and improves the cost performance of the whole machine. By integrating the power board 50 with the display panel 42, the structure is optimized, the production and assembly are convenient, the production efficiency is improved, the cost of the whole machine is reduced, and the user experience is improved. By setting the display box 41 as a split structure, it is convenient to install and disassemble. The front box body 411 is clamped with the shell 10, and the rear box body 412 is clamped with the shell 10, which is convenient for assembly and disassembly.

[0076] The above embodiments are only to illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, the present invention may be subject to various changes and modifications, which are within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A mechanical digital display electric water heater, characterized in that: include: Housing (10); An inner container (20) is disposed in the outer shell (10); A temperature adjustment component, comprising a temperature adjustment knob (31) and a temperature controller (32), wherein the temperature adjustment knob (31) is arranged at a first position of the housing (10), and the temperature controller (32) is connected to the temperature adjustment knob (31); A display assembly comprises a display box (41) and a display panel (42); the display box (41) is arranged at a second position of the housing (10); a front side of the display box (41) is provided with a clearance opening (4111) for exposing at least a portion of the display panel (42); and the display panel (42) is used to display the temperature value of the water in the inner tank (20).

2. The mechanical digital display electric water heater according to claim 1, characterized in that: It also includes a power board (50), which is arranged in the display box (41) and integrated with the display board (42).

3. The mechanical digital display electric water heater according to claim 2, characterized in that: It also includes a circuit board (60), wherein the circuit board (60) is arranged in the display box (41), and the power board (50) and the display board (42) are both arranged on the circuit board (60).

4. The mechanical digital display electric water heater according to claim 2, characterized in that: The display box (41) is provided with a threading hole (4121), and the threading hole (4121) can at least pass a power line, and the power line is electrically connected to the power board (50).

5. The mechanical digital display electric water heater according to claim 1, characterized in that: The display box (41) comprises a front box body (411) and a rear box body (412); the front box body (411) and the rear box body (412) are buckled together to form a receiving cavity; the display panel (42) is located in the receiving cavity; and the clearance opening (4111) is located at the front side of the front box body (411).

6. The mechanical digital display electric water heater according to claim 5, characterized in that: The front box body (411) is snap-fitted to the outer shell (10); and / or the rear box body (412) is snap-fitted to the outer shell (10).

7. The mechanical digital display electric water heater according to claim 5, characterized in that: The front box body (411) is located on the outside of the outer shell (10), the rear box body (412) is located on the inside of the outer shell (10), and the front box body (411) covers the connection between the rear box body (412) and the outer shell (10).

8. The mechanical digital display electric water heater according to any one of claims 1 to 7, characterized in that: The housing (10) is provided with a scale bar, the scale bar being arranged around the circumference of the temperature adjustment knob (31), and the temperature adjustment knob (31) comprises an indicating portion (311) for indicating the scale bar.

9. The mechanical digital display electric water heater according to any one of claims 1 to 7, characterized in that: The display assembly further comprises a temperature sensing probe, the temperature sensing probe being electrically connected to the display panel (42), and the temperature sensing probe being used to detect the temperature of water in the inner tank (20).

10. The mechanical digital display electric water heater according to any one of claims 1 to 7, characterized in that: The outer shell (10) comprises a middle barrel and end covers arranged at both ends of the middle barrel, the temperature adjustment knob (31) is located on one of the end covers, and the display box (41) is located in the middle barrel.

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