Circuit board assembly, control terminal and hot water supply equipment

Abstract

The invention relates to a circuit board assembly, a control terminal and hot water supply equipment. The circuit board assembly comprises a mounting plate (1) and a limiting assembly, wherein the limiting assembly protrudes relative to a plate body of the mounting plate (1); the shell (2) is connected with the mounting plate (1), and an accommodating space is formed between the shell (2) and the mounting plate (1); the circuit board (3) is arranged in the accommodating space; wherein the limiting assembly comprises a first limiting structure (41) and a second limiting structure (42) which are arranged at an interval along a first direction (X), the first limiting structure (41) and the second limiting structure (42) are arranged close to a Type-c interface (31) of the circuit board (3), and the circuit board (3) is clamped between the first limiting structure (41) and the second limiting structure (42) along the first direction (X); the first direction (X) is parallel to the thickness direction of the circuit board (3).

Description

Technical Field

[0001] The present invention relates to the field of display devices, in particular to a circuit board assembly, a control terminal and a hot water supply device. Background Art

[0002] The commercial water heater control terminal is generally installed indoors or inside the unit. The control terminal includes a touch screen with built-in ambient temperature detection function and other external port functions. Users monitor and manage the working status of the water heater through the touch screen.

[0003] In the related art, the PCB (Printed Circuit Board) of the touch screen is fixed by means of buckles. There is a gap between the PCB and the buckles, which causes the PCB to shake easily after installation. Summary of the invention

[0004] In view of this, the embodiments of the present disclosure provide a circuit board assembly, a control terminal and a hot water supply device to improve structural reliability.

[0005] In one aspect of the present disclosure, there is provided a circuit board assembly, comprising:

[0006] The mounting plate has a stopper assembly protruding relative to the plate body of the mounting plate;

[0007] A housing connected to the mounting plate and forming a receiving space with the mounting plate;

[0008] A circuit board is arranged in the accommodation space;

[0009] The limiting assembly includes a first limiting structure and a second limiting structure spaced apart along a first direction, the first limiting structure and the second limiting structure are arranged close to the Type-C interface of the circuit board, and the circuit board is clamped between the first limiting structure and the second limiting structure along the first direction;

[0010] The first direction is parallel to the thickness direction of the circuit board.

[0011] In some embodiments, the second limiting structure is located on a side close to the housing relative to the first limiting structure along the first direction;

[0012] Among them, the Type-c interface of the circuit board is arranged below the first limiting structure and the second limiting structure, and is located between the first limiting structure and the second limiting structure along the first direction.

[0013] In some embodiments, the first limiting structure extends along the second direction, the number of the second limiting structures is two, and the two second limiting structures are respectively arranged on both sides of the first limiting structure along the second direction;

[0014] The second direction is perpendicular to the first direction, and is parallel to the width directions of the mounting plate, the housing, and the circuit board.

[0015] In some embodiments, the edge of the mounting plate has a first support structure that is concave inwardly along a first direction, and the first support structure is disposed below the second limiting structure;

[0016] A second supporting structure is provided at a position of the shell corresponding to the first supporting structure, and an end surface of the first supporting structure is configured to abut against an end surface of the second supporting structure to form a supporting space surrounding the periphery of the Type-C interface of the circuit board.

[0017] In some embodiments, it also includes:

[0018] A sealing ring wrapped around the outer periphery of the Type-C interface of the circuit board;

[0019] The sealing ring is clamped with the inner walls of the first supporting structure and the second supporting structure.

[0020] In some embodiments, the mounting plate has a first mounting post that is protruding relative to the plate body of the mounting plate and is hollow, the housing has a second mounting post that is hollow at a position corresponding to the first mounting post, and the first mounting post and the second mounting post are arranged near the edge of the circuit board;

[0021] The circuit board assembly also includes:

[0022] The first connecting member is configured to pass through the first mounting column and the second mounting column along a first direction to connect the mounting plate and the housing.

[0023] In some embodiments, the housing further comprises:

[0024] The limiting rib is in an arc shape, is arranged on the end surface of the second mounting column and protrudes along the first direction relative to the end surface of the second mounting column toward a side close to the circuit board;

[0025] The limiting rib is configured to abut against the side surface of the first mounting column and abut against the circuit board along the first direction.

[0026] In some embodiments, the limiting component further includes:

[0027] The third limiting structure is provided along the edge of the circuit board and includes:

[0028] A first limiting portion, located between the plate body and the circuit board along the first direction, and configured to support the circuit board along the first direction; and

[0029] The second limiting portion is perpendicular to the first limiting portion, and is configured to limit the circuit board from moving relative to the mounting plate in a direction perpendicular to the first direction.

[0030] In some embodiments, the limiting component further includes:

[0031] The fourth limiting structure is arranged along the edge of the circuit board, and the fourth limiting structure includes:

[0032] A third limiting portion, the width of which along the first direction is greater than the width of the circuit board, and is configured to limit the movement of the circuit board relative to the mounting plate in a direction perpendicular to the first direction;

[0033] The fourth limiting portion is obliquely arranged at the end of the third limiting portion, is located between the circuit board and the housing along the first direction, and is configured to abut against the circuit board along the first direction.

[0034] In some embodiments, a plurality of first mounting grooves are formed at an edge of the mounting plate, and a plurality of first mounting buckles are formed at an edge of the housing corresponding to the plurality of first mounting grooves respectively;

[0035] The first mounting buckle is configured to be inserted into the first mounting groove so that the mounting plate is snap-fitted to the housing.

[0036] In some embodiments, a plurality of second mounting buckles are provided on the edge of the mounting plate for snapping onto external devices.

[0037] In some embodiments, the shell has a plurality of third mounting slots for detachably connecting with an external device.

[0038] In another aspect of the present disclosure, a control terminal is provided, comprising:

[0039] A circuit board assembly as in any of the above embodiments;

[0040] The display component is arranged on a side of the mounting plate away from the circuit board.

[0041] In some embodiments, a plurality of second mounting buckles are provided at the edge of the mounting plate;

[0042] The control terminal also includes:

[0043] The cover body is connected to the mounting plate via a second mounting buckle;

[0044] The installation box is connected with the cover body.

[0045] In some embodiments, a side of the shell body close to the cover body has a concave avoidance structure.

[0046] In another aspect of the present disclosure, there is provided a hot water supply device, comprising:

[0047] A control terminal as in any of the above embodiments;

[0048] The device panel is detachably connected to the shell.

[0049] Therefore, according to the embodiment of the present disclosure, the first limiting structure and the second limiting structure are arranged near the position corresponding to the plate body of the mounting plate and the Type-c interface of the circuit board, and the circuit board is clamped between the first limiting structure and the second limiting structure along the thickness direction of the circuit board to limit the loosening or displacement of the circuit board, especially the area around the Type-c interface, caused by frequent plugging and unplugging, thereby improving the reliability of the circuit board in the circuit board assembly and reducing the risk of data transmission interruption or power supply due to unstable connection at the Type-c interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0051] The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0052] Figure 1 is a partial structural schematic diagram of some embodiments of the circuit board assembly according to the present disclosure;

[0053] Figure 2 is a schematic diagram of a circuit board according to some embodiments of the circuit board assembly of the present disclosure;

[0054] Figure 3 is a schematic diagram of a mounting plate according to some embodiments of the circuit board assembly of the present disclosure;

[0055] Figure 4 is a schematic diagram of a housing according to some embodiments of the circuit board assembly of the present disclosure;

[0056] Figure 5 is a partial cross-sectional view of some embodiments of the circuit board assembly according to the present disclosure;

[0057] Figure 6 is a partial cross-sectional view of some embodiments of the circuit board assembly according to the present disclosure;

[0058] Figure 7 is a schematic diagram of the structure of some embodiments of the control terminal according to the present disclosure;

[0059] Figure 8 It is a partial structural schematic diagram of some embodiments of the hot water supply equipment according to the present disclosure.

[0060] In the figure:

[0061] 1. Mounting plate; 11. First supporting structure; 12. First mounting column; 13. First mounting slot; 14. Second mounting buckle; 2. Shell; 21. Second supporting structure; 22. Second mounting column; 23. Limiting rib; 24. First mounting buckle; 25. Third mounting slot; 26. Avoidance structure; 3. Circuit board; 31. Type-c interface; 32. Mounting port; 33. First notch; 34. Second notch; 41. First limiting structure; 42. Second limiting structure; 43. Third limiting structure; 431. First limiting part; 432. Second limiting part; 44. Fourth limiting structure; 441. Third limiting part; 442. Fourth limiting part; 5. Sealing ring; 6. First connecting member; 7. Display element; 81. Cover; 82. Mounting box; 83. Second connecting member; 9. Equipment panel;

[0062] X, first direction; Y, second direction.

[0063] It should be understood that the size of each part shown in the accompanying drawings is not drawn according to the actual proportional relationship. In addition, the same or similar reference numerals represent the same or similar components. DETAILED DESCRIPTION

[0064] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present disclosure and its application or use. The present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present disclosure thorough and complete and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0065] The words "first", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0066] In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device. When a specific device is described as being connected to other devices, the specific device may be directly connected to the other device without an intermediate device, or may not be directly connected to the other device but have an intermediate device.

[0067] All terms (including technical terms or scientific terms) used in the present disclosure have the same meanings as those understood by ordinary technicians in the field to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0068] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0069] In the related art, the PCB of the touch screen is fixed by means of buckles. There is a gap between the PCB and the buckles, which makes the PCB easy to shake after installation. In addition, the Type-C interface of the PCB needs to be frequently plugged in and out, which further causes looseness or displacement, and the structural reliability is low.

[0070] In view of this, in one aspect of an embodiment of the present disclosure, a circuit board assembly is provided, which can improve structural reliability.

[0071] Figure 1 is a partial structural schematic diagram of some embodiments of the circuit board assembly according to the present disclosure, Figure 2 is a schematic diagram of a circuit board according to some embodiments of the circuit board assembly of the present disclosure, Figure 3 is a schematic diagram of a mounting plate according to some embodiments of the circuit board assembly of the present disclosure, Figure 4 is a schematic diagram of a housing according to some embodiments of the circuit board assembly of the present disclosure, with reference to Figure 1~Figure 4 The circuit board assembly includes: a mounting plate 1, a shell 2 and a circuit board 3.

[0072] The mounting plate 1 has a limiting component protruding relative to the plate body of the mounting plate 1. The housing 2 is connected to the mounting plate 1 and forms an accommodating space with the mounting plate 1. The circuit board 3 is arranged in the accommodating space.

[0073] The limiting assembly includes a first limiting structure 41 and a second limiting structure 42 spaced apart along a first direction X, the first limiting structure 41 and the second limiting structure 42 are arranged close to the Type-C interface 31 of the circuit board 3, and the circuit board 3 is clamped between the first limiting structure 41 and the second limiting structure 42 along the first direction X. The first direction X is parallel to the thickness direction of the circuit board 3. The width spacing of the first limiting structure 41 and the second limiting structure 42 along the first direction is equal to the thickness of the circuit board 3, which is about 1.6 mm.

[0074] The circuit board 3 is installed on one side of the mounting plate 1 through a limiting device, and the housing 2 is buckled on the side of the mounting plate 1 where the circuit board 3 is set. The side of the mounting plate 1 away from the circuit board 3 can carry a liquid crystal display element.

[0075] The circuit board 3 includes but is not limited to a PCB, and the Type-c interface 31 of the circuit board 3 includes but is not limited to being arranged at a lower position, such as Figure 2 The mounting opening 32 in the circuit board facilitates the connection of the circuit board and the plugging and unplugging of the operator. The limiting component is arranged along the edge contour of the circuit board 3, including but not limited to limiting the circumference and thickness directions of the circuit board 3.

[0076] In this embodiment, the first limiting structure 41 and the second limiting structure 42 are arranged near the position corresponding to the plate body of the mounting plate 1 and the Type-c interface 31 of the circuit board 3, and the circuit board 3 is clamped between the first limiting structure 41 and the second limiting structure 42 along the thickness direction of the circuit board 3 to limit the loosening or displacement of the circuit board 3, especially the area around the Type-c interface 31, caused by frequent plugging and unplugging, thereby improving the reliability of the circuit board 3 in the circuit board assembly and reducing the risk of data transmission interruption or power supply due to unstable connection at the Type-c interface 31.

[0077] Figure 5 is a partial cross-sectional view of some embodiments of the circuit board assembly according to the present disclosure, Figure 5 The cross-sectional position and Figure 1 The AA section position corresponds to the reference Figure 1~Figure 5 In some embodiments, the second limiting structure 42 is located on a side close to the housing 2 relative to the first limiting structure 41 along the first direction X. The Type-C interface 31 of the circuit board 3 is disposed below the first limiting structure 41 and the second limiting structure 42, and is located between the first limiting structure 41 and the second limiting structure 42 along the first direction X.

[0078] The first limiting structure 41 is arranged on a side close to the mounting plate 1, and the second limiting structure 42 is arranged on a side close to the shell 2. The second limiting structure 42 includes but is not limited to a limiting base extending from the plate body of the mounting plate 1 to a side close to the shell 2 along a first direction, so as to further enable the limiting base to limit the circuit board 3 in the vertical direction.

[0079] In this embodiment, the circuit board 3 is clamped between the first limiting structure 41 and the second limiting structure 42, and the Type-c interface 31 extends downward between the first limiting structure 41 and the second limiting structure 42. The limiting base, the first limiting structure 41 and the second limiting structure 42 form circumferential and thickness direction limitations on the Type-c interface 31 of the circuit board 3, which helps to further improve the strength of the Type-c interface 31 of the circuit board 3, reduce the inconvenience or misoperation caused by the instability of the Type-c interface 31, and reduce the probability of failure.

[0080] refer to Figure 1 , Figure 3 and Figure 4 In some embodiments, the first limiting structure 41 extends along the second direction Y, the number of the second limiting structures 42 is two, and the two second limiting structures 42 are respectively arranged on both sides of the first limiting structure 41 along the second direction Y. The second direction Y is perpendicular to the first direction X, and the second direction Y is parallel to the width direction of the mounting plate 1, the housing 2 and the circuit board 3.

[0081] In this embodiment, two second limiting structures 42 are arranged at intervals on both sides of the first limiting structure 41 along the second direction, providing suitable space for the arrangement and limitation of the Type-c interface 31 of the circuit board 3, and increasing the contact points with the circuit board 3 through a decentralized limiting arrangement, so as to achieve limitation of a larger area of ​​the circuit board 3.

[0082] refer to Figure 1 , Figure 3 and Figure 4 In some embodiments, the edge of the mounting plate 1 has a first supporting structure 11 that is concave inward along the first direction X, and the first supporting structure 11 is disposed below the second limiting structure 42 .

[0083] The shell 2 is provided with a second support structure 21 at a position corresponding to the first support structure 11 , and an end surface of the first support structure 11 is configured to abut against an end surface of the second support structure 21 to form a support space surrounding the periphery of the Type-C interface 31 of the circuit board 3 .

[0084] The first supporting structure 11 includes but is not limited to being formed below the second limiting structure 42 and connected to the limiting base of the second limiting structure 42 , and the contours of the inner concave surfaces of the first supporting structure 11 and the second supporting structure 21 match the outer contour of the Type-c interface 31 .

[0085] In this embodiment, by setting the first support structure 11 and the second support structure 21 to form a support space surrounding the outer periphery of the Type-c interface 31, the force during the plugging and unplugging process can be dispersed, providing more stable and reliable support for the Type-c interface 31.

[0086] refer to Figure 1 In some embodiments, the circuit board assembly further includes a sealing ring 5, which is wrapped around the outer periphery of the Type-c interface 31 of the circuit board 3. The sealing ring 5 is clamped with the inner walls of the first support structure 11 and the second support structure 21. The sealing ring 5 includes but is not limited to a waterproof rubber ring.

[0087] Commercial water heater control terminals are generally installed indoors or inside units. For southern China, if the touch screen has poor moisture resistance, it cannot meet the requirements. In humid weather, water vapor can easily enter the PCB, causing the touch screen to malfunction.

[0088] In this embodiment, a sealing ring 5 is provided to wrap around the outer periphery of the Type-c interface 31 and is clamped with the first supporting structure 11 and the second supporting structure 21. The first supporting structure 11 and the second supporting structure 21 can press the sealing ring 5 to prevent water vapor from entering, thereby improving the waterproof and moisture-proof performance of the circuit board assembly and ensuring the reliability of the circuit assembly.

[0089] Figure 6 is a partial cross-sectional view of some embodiments of the circuit board assembly according to the present disclosure, Figure 6 The cross-sectional position and Figure 1 The BB section position corresponds to the reference Figure 1~Figure 4 , Figure 6 In some embodiments, the mounting plate 1 has a first mounting column 12 that is protruding relative to the plate body of the mounting plate 1 and is hollow, and the shell 2 has a hollow second mounting column 22 at a position corresponding to the first mounting column 12, and the first mounting column 12 and the second mounting column 22 are arranged near the edge of the circuit board 3.

[0090] The circuit board assembly further includes a first connector 6 , which is configured to pass through the first mounting column 12 and the second mounting column 22 along the first direction X to connect the mounting board 1 and the housing 2 .

[0091] The edge of the circuit board 3 has a first notch 33 and a second notch 34, the first mounting post 12 is arranged near the first notch 33, and the second mounting post 22 is arranged near the second notch 34. The first mounting post 12 and the second mounting post 22 include but are not limited to screw posts, the first connecting member 6 includes but is not limited to screws, and the shapes of the first mounting post 12 and the second mounting post 22 can be adjusted according to the shape of the edge notch of the circuit board 3, so that the first mounting post 12 can be engaged at the first notch 33.

[0092] The first mounting column 12 and the second mounting column 22 extend in the first direction, and the first connecting member 6 passes through the first mounting column 12 and the second mounting column 22 to connect the mounting plate 1 and the housing 2 . The circular end surface of the first mounting column 12 abuts against the circular end surface of the second mounting column 22 .

[0093] In this embodiment, the first connecting member 6, the first mounting column 12 and the second mounting column 22 are provided so that the mounting plate 1 and the shell 2 can be detachably connected, and the docking accuracy and structural strength of the mounting plate 1 and the shell 2 are improved, so that the circuit board structure has a higher deformation resistance and is not easy to be damaged.

[0094] refer to Figure 3 , Figure 4 In some embodiments, the housing 2 further includes a limiting rib 23, which is in an arc shape, is disposed on the end surface of the second mounting column 22, and protrudes relative to the end surface of the second mounting column 22 toward a side close to the circuit board 3 along the first direction X. The limiting rib 23 is configured to abut against the side surface of the first mounting column 12, and abut against the circuit board 3 along the first direction X. The limiting rib 23 includes but is not limited to being in a semi-arc shape, and when abutting against the circuit board 3, the three-proof adhesive of the circuit board 3 at the first notch 33 can be prevented from being scraped off.

[0095] In this embodiment, the limiting rib 23 protrudes outward along the first direction relative to the end surface of the second mounting column 22. When the mounting plate 1 and the shell 2 are connected, the limiting rib 23 can at least partially wrap around the side of the first mounting column 12 to increase the supporting strength of the first mounting column 12, and the limiting rib 23 can also abut against the circuit board 3 to press the circuit board 3 to limit the movement of the circuit board 3 along the first direction, which helps to reduce the risk of displacement and shaking of the circuit board 3 and improve the structural reliability of the circuit board assembly.

[0096] refer to Figure 1~Figure 3 In some embodiments, the limiting assembly further includes a third limiting structure 43, and the third limiting structure 43 is disposed along the edge of the circuit board 3. The third limiting structure 43 includes a first limiting portion 431 and a second limiting portion 432.

[0097] The first limiting portion 431 is located between the plate body and the circuit board 3 along the first direction X, and is configured to support the circuit board 3 along the first direction X; the second limiting portion 432 is perpendicular to the first limiting portion 431, and the second limiting portion 432 is configured to limit the movement of the circuit board 3 relative to the mounting plate 1 along a direction perpendicular to the first direction X.

[0098] The first limiting portion 431 is disposed on a side of the circuit board 3 close to the mounting plate 1, and limits the displacement of the circuit board 3 along the first direction on one side of the circuit board 3. The second limiting portion 432 includes but is not limited to limiting the movement of the circuit board 3 in the vertical direction and / or the second direction.

[0099] The number and arrangement of the third limiting structures 43 can be adjusted according to the edge shape of the circuit board 3. The width interval between the first limiting portion 431 and the second limiting portion 432 along the first direction is equal to the thickness of the circuit board 3, which is about 1.6 mm.

[0100] In this embodiment, by setting a third limiting structure 43 at the edge of the circuit board 3, the displacement of the circuit board 3 in various directions can be limited, the circuit board 3 can be held in multiple directions, and unnecessary movement or shaking of the circuit board 3 can be prevented, thereby ensuring that the connection between the circuit board 3 and other components is stable and reliable.

[0101] refer to Figure 1~Figure 3 In some embodiments, the limiting assembly further includes a fourth limiting structure 44 , which is disposed along an edge of the circuit board 3 , and includes a third limiting portion 441 and a fourth limiting portion 442 .

[0102] The width of the third limiting portion 441 along the first direction X is greater than the width of the circuit board 3 , and the third limiting portion 441 is configured to limit the movement of the circuit board 3 along a direction perpendicular to the first direction X relative to the mounting board 1 .

[0103] The fourth limiting portion 442 is obliquely disposed at the end of the third limiting portion 441 . The fourth limiting portion 442 is located between the circuit board 3 and the housing 2 along the first direction X and is configured to abut against the circuit board 3 along the first direction X.

[0104] The number and arrangement of the fourth limiting structures 44 can be adjusted according to the edge shape of the circuit board 3. The third limiting portion 441 limits the circumferential position of the circuit board 3, and the fourth limiting portion 442 limits the displacement of the circuit board 3 along the first direction on the side of the circuit board 3 close to the shell 2.

[0105] In this embodiment, the fourth limiting structure 44 buckles the circuit board 3 against the mounting plate 1 to limit the movement of the circuit board 3 in all directions, and can cooperate with the third limiting structure 43 to limit the circuit board 3 from shaking along the thickness direction toward the mounting plate 1 or the housing 2, thereby forming a stable and reliable limit for the circuit board 3 and reducing the risk of the circuit board 3 loosening.

[0106] refer to Figure 1 , Figure 3 and Figure 4 In some embodiments, the edge of the mounting plate 1 is provided with a plurality of first mounting grooves 13, and the edge of the housing 2 is provided with a plurality of first mounting buckles 24 corresponding to the plurality of first mounting grooves 13. The first mounting buckles 24 are configured to be inserted into the first mounting grooves 13 so that the mounting plate 1 and the housing 2 are engaged. In this embodiment, the mounting plate 1 and the housing 2 can be engaged through the first mounting grooves 13 and the first mounting buckles 24, which can improve assembly efficiency and reduce assembly costs.

[0107] refer to Figure 1 , Figure 2In some embodiments, a plurality of second mounting buckles 14 are provided on the edge of the mounting plate 1 for clamping with external devices. In this embodiment, by providing the second mounting buckles 14 on the edge of the mounting plate 1, it is convenient to clamp and install the circuit board assembly with the external device through the mounting plate 1, the assembly process is simple, and no connection traces appear on the outside, which helps to achieve a higher integrity.

[0108] refer to Figure 4 In some embodiments, the housing 2 is provided with a plurality of third mounting grooves 25, and the third mounting grooves 25 are used for detachably connecting with an external device. The third mounting grooves 25 include but are not limited to being cylindrical and capable of accommodating screws.

[0109] In this embodiment, by providing the third mounting groove 25 in the housing 2, the circuit board assembly can be conveniently detachably connected to the external device through the housing 2, the assembly process is simple, and the application range is large.

[0110] Figure 7 is a schematic diagram of the structure of some embodiments of the control terminal according to the present disclosure, referring to Figure 1 to Figure 7 In another aspect of the embodiments of the present disclosure, a control terminal is provided, comprising a circuit board assembly and a display element 7 as in any of the above embodiments, wherein the display element 7 is disposed on a side of the mounting board 1 away from the circuit board 3 .

[0111] The control terminal includes but is not limited to a touch screen, the display element 7 includes but is not limited to a liquid crystal, the display element 7 is mounted on the mounting plate 1, the liquid crystal can be adhered to the mounting plate 1 through the adhesive, and the video signal of the main chip on the circuit board 3 is transmitted to the liquid crystal through the cable to display the corresponding content. The control terminal includes but is not limited to electrical equipment, such as a commercial water heater, so that users can monitor and manage the working status of the equipment.

[0112] In this embodiment, the structure of the control terminal is stable and reliable, and the circuit board 3 and its Type-c interface 31 are not easy to shake and shift, which can reduce data transmission interruption or power supply problems caused by unstable connection of the circuit board 3, and reduce the risk of wear and damage to the Type-c interface 31 of the circuit board 3 and the surrounding area, which is conducive to extending the service life of the control terminal.

[0113] refer to Figure 1 to Figure 7 In some embodiments, a plurality of second mounting buckles 14 are provided on the edge of the mounting plate 1, and the control terminal further comprises: a cover 81 and a mounting box 82. The cover 81 is connected to the mounting plate 1 via the second mounting buckles 14, and the mounting box 82 is connected to the cover 81.

[0114] The cover 81 includes but is not limited to being a rear cover of the control terminal. The inner edge of the cover 81 may be provided with a plurality of slots to be engaged with the second mounting buckle 14 of the mounting plate 1. The cover 81 may be screwed to the mounting box 82 so as to be mounted on the wall through the mounting box 82. The mounting box 82 is but is not limited to being an 86 box with a size of 86 mm×86 mm.

[0115] In this embodiment, the control terminal can be installed on a wall or other surface through the installation box 82. The installation plate 1 cooperates with the cover body 81 through buckles and slots, which is easy to install and makes the control terminal more adaptable.

[0116] refer to Figure 1 to Figure 7 In some embodiments, the housing 2 has a concave avoidance structure 26 on one side close to the cover 81, and the avoidance structure 26 includes but is not limited to an elliptical groove. The cover 81 is connected to the installation box 82 through a second connecting member 83, and the second connecting member 83 can be at least partially accommodated in the avoidance structure 26 of the housing 2.

[0117] In this embodiment, the avoidance structure 26 of the shell 2 can provide sufficient installation space for the second connecting member 83, preventing the shell 2 from interfering with the second connecting member 83, so that the control terminal has a wide range of applicability, can take into account different installation scenarios, and reduce mold development costs.

[0118] Figure 8 is a partial structural schematic diagram of some embodiments of the hot water supply device according to the present disclosure, referring to Figure 3 , Figure 5 , Figure 6 and Figure 8 In one aspect of an embodiment of the present disclosure, a hot water supply device is provided, comprising a control terminal and a device panel 9 as in any of the above embodiments, wherein the device panel 9 is detachably connected to the housing 2.

[0119] The device panel 9 includes but is not limited to a sheet metal part of the hot water supply device, and the control terminal and the device panel 9 are connected to the device panel 9 by screws through the housing 2, so that the control terminal can be installed on the whole machine for user convenience. The third mounting slot 25 of the housing 2 can accommodate screws installed with the device panel 9.

[0120] In this embodiment, the control terminal structure of the hot water supply equipment is stable and reliable, and the circuit board 3 and its Type-c interface 31 are not easy to shake and shift, which can reduce data transmission interruption or power supply problems caused by unstable connection of the circuit board 3, and reduce the risk of wear and damage of the Type-c interface 31 of the circuit board 3 and the surrounding area, which is conducive to improving the operability of the hot water supply equipment.

[0121] So far, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0122] Although some specific embodiments of the present disclosure have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A circuit board assembly, characterized in that: include: A mounting plate (1) having a stopper assembly protruding relative to a plate body of the mounting plate (1); a housing (2) connected to the mounting plate (1) and forming a receiving space with the mounting plate (1); and A circuit board (3) is arranged in the accommodation space; The limiting assembly comprises a first limiting structure (41) and a second limiting structure (42) which are arranged at intervals along a first direction (X); the first limiting structure (41) and the second limiting structure (42) are arranged close to the Type-C interface (31) of the circuit board (3); and the circuit board (3) is clamped between the first limiting structure (41) and the second limiting structure (42) along the first direction (X); The first direction (X) is parallel to the thickness direction of the circuit board (3).

2. The circuit board assembly according to claim 1, wherein: The second limiting structure (42) is located on a side close to the housing (2) relative to the first limiting structure (41) along the first direction (X); Wherein, the Type-C interface (31) of the circuit board (3) is arranged below the first limiting structure (41) and the second limiting structure (42), and is located between the first limiting structure (41) and the second limiting structure (42) along the first direction (X).

3. The circuit board assembly according to claim 2, wherein: The first limiting structure (41) extends along the second direction (Y), the number of the second limiting structures (42) is two, and the two second limiting structures (42) are respectively arranged on both sides of the first limiting structure (41) along the second direction (Y); The second direction (Y) is perpendicular to the first direction (X), and the second direction (Y) is parallel to the width directions of the mounting plate (1), the housing (2) and the circuit board (3).

4. The circuit board assembly according to claim 1 or 2, characterized in that: The edge of the mounting plate (1) has a first supporting structure (11) which is concave inwardly along the first direction (X), and the first supporting structure (11) is arranged below the second limiting structure (42); A second supporting structure (21) is provided at a position of the shell (2) corresponding to the first supporting structure (11), and an end surface of the first supporting structure (11) is configured to abut against an end surface of the second supporting structure (21) to form a supporting space surrounding the periphery of the Type-C interface (31) of the circuit board (3).

5. The circuit board assembly according to claim 4, wherein: Also includes: A sealing ring (5) wrapped around the outer periphery of the Type-C interface (31) of the circuit board (3); Wherein, the sealing ring (5) is clamped with the inner walls of the first supporting structure (11) and the second supporting structure (21).

6. The circuit board assembly according to claim 1, wherein: The mounting plate (1) has a hollow first mounting column (12) protruding relative to the plate body of the mounting plate (1), the housing (2) has a hollow second mounting column (22) at a position corresponding to the first mounting column (12), and the first mounting column (12) and the second mounting column (22) are arranged close to the edge of the circuit board (3); Wherein, the circuit board assembly further comprises: The first connecting member (6) is configured to pass through the first mounting column (12) and the second mounting column (22) along the first direction (X) to connect the mounting plate (1) and the housing (2).

7. The circuit board assembly according to claim 6, wherein: The housing (2) further comprises: A limiting rib (23) in an arc shape, arranged on the end surface of the second mounting column (22) and protruding along the first direction (X) relative to the end surface of the second mounting column (22) towards a side close to the circuit board (3); The limiting rib (23) is configured to abut against a side surface of the first mounting column (12) and to abut against the circuit board (3) along the first direction (X).

8. The circuit board assembly according to claim 1, wherein: The limiting component also includes: A third limiting structure (43), arranged along the edge of the circuit board (3), comprises: a first limiting portion (431), located between the plate body and the circuit board (3) along the first direction (X), and configured to support the circuit board (3) along the first direction (X); and The second limiting portion (432) is perpendicular to the first limiting portion (431), and the second limiting portion (432) is configured to limit the movement of the circuit board (3) relative to the mounting plate (1) along a direction perpendicular to the first direction (X).

9. The circuit board assembly according to claim 1 or 8, characterized in that: The limiting component also includes: A fourth limiting structure (44) is arranged along an edge of the circuit board (3), the fourth limiting structure (44) comprising: a third limiting portion (441), the width of which along the first direction (X) is greater than the width of the circuit board (3), and is configured to limit the movement of the circuit board (3) relative to the mounting plate (1) in a direction perpendicular to the first direction (X); and The fourth limiting portion (442) is obliquely arranged at the end of the third limiting portion (441), is located between the circuit board (3) and the housing (2) along the first direction (X), and is configured to abut against the circuit board (3) along the first direction (X).

10. The circuit board assembly according to claim 1 or 6, characterized in that: The edge of the mounting plate (1) is provided with a plurality of first mounting grooves (13), and the edge of the housing (2) is provided with a plurality of first mounting buckles (24) respectively corresponding to the plurality of first mounting grooves (13); The first mounting buckle (24) is configured to be inserted into the first mounting groove (13) so as to enable the mounting plate (1) to be snap-fitted to the housing (2).

11. The circuit board assembly according to any one of claims 1 to 10, characterized in that: The edge of the mounting plate (1) is provided with a plurality of second mounting buckles (14) for being snap-fitted with external equipment.

12. The circuit board assembly according to any one of claims 1 to 10, characterized in that: The housing (2) is provided with a plurality of third mounting slots (25) for detachably connecting to external equipment.

13. A control terminal, characterized in that: include: The circuit board assembly according to any one of claims 1 to 12; The display element (7) is arranged on a side of the mounting plate (1) away from the circuit board (3).

14. The control terminal according to claim 13, characterized in that: A plurality of second mounting buckles (14) are provided on the edge of the mounting plate (1); Wherein, the control terminal also includes: The cover body (81) is snap-connected to the mounting plate (1) via the second mounting buckle (14); A mounting box (82) is connected to the cover body (81).

15. The control terminal according to claim 14, characterized in that: A side of the shell (2) close to the cover (81) has an inwardly concave avoidance structure (26).

16. A hot water supply device, characterized in that: include: The control terminal as claimed in any one of claims 13 to 15; A device panel (9) is detachably connected to the housing (2).

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