Resistor circuit board structure and electronic equipment

Abstract

The utility model relates to the technical field of PCBs, particularly discloses a resistor circuit board structure and electronic equipment, and solves the technical problem of limitation of a traditional PCB. The resistance circuit board structure is characterized in that the resistance circuit board structure comprises a telescopic mechanism and a bendable flexible laminate, the telescopic mechanism comprises a circuit board shell and a furling mechanism, and the furling mechanism is arranged in the circuit board shell; the flexible laminate comprises a fixed end, an extending end, a first laminate, a second laminate and a variable resistance material laminated between the first laminate and the second laminate; the fixed end of the flexible laminate is fixedly connected with the recycling end of the winding mechanism, the extending end of the flexible laminate is exposed out of the outlet of the circuit board shell, and the winding mechanism drives the flexible laminate to be pulled out or recycled from the outlet of the circuit board shell.

Description

Technical Field

[0001] The utility model relates to the technical field of PCB, in particular to a resistor circuit board structure and electronic equipment. Background Art

[0002] Nowadays, with the rapid development of electronic technology, various types of electronic products are constantly iterating and updating. While printed circuit boards (PCBs) are developing towards miniaturization, high density and high speed, more and more scenarios require the use of PCB structures with variable resistance functions.

[0003] Generally speaking, conventional circuit boards are usually of fixed length, and finished resistor components need to be soldered on the board to meet the circuit board requirements. This is not simple enough, the applicable scenarios are not flexible enough, and has certain limitations. Utility Model Content

[0004] The utility model aims to provide a resistor circuit board structure and an electronic device to solve the technical problem that the traditional circuit board solution is not simple enough and has limitations.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] In a first aspect, a resistor circuit board structure is provided, the resistor circuit board structure comprising a telescopic mechanism and a bendable flexible layer board, wherein:

[0007] The telescopic mechanism comprises a circuit board housing and a retracting mechanism, wherein the retracting structure is arranged in the circuit board housing;

[0008] The flexible layer plate comprises a fixed end, a protruding end, a first layer plate, a second layer plate, and a variable resistance material laminated between the first layer plate and the second layer plate;

[0009] The fixed end of the flexible layer board is fixedly connected to the recovery end of the retracting mechanism, the extended end of the flexible layer board is exposed at the outlet of the circuit board housing, and the retracting mechanism drives the flexible layer board to be pulled out or recovered from the outlet of the circuit board housing.

[0010] Furthermore, the second layer board at least comprises a plurality of mutually laminated board layers.

[0011] Furthermore, the second layer board includes at least two layers of a board layer structure laminated on each other.

[0012] In this embodiment, the second layer is located at the lower layer. By setting it as a multi-layer laminated board structure, the durability of the flexible board can be improved; and by setting it as two layers, the board layer design can be reduced as much as possible to reduce costs.

[0013] Furthermore, the variable resistance material includes a liquid resistance material.

[0014] Furthermore, a plurality of contact points arranged at intervals are provided on the surface of the first layer.

[0015] Furthermore, adjacent contact points among the plurality of contact points arranged at intervals are arranged at equal intervals.

[0016] Furthermore, from the extended end of the flexible layer plate toward the fixed end, the distance between adjacent contact points in the plurality of contact points arranged at intervals gradually increases.

[0017] In the above embodiments, several spacing arrangements of the multiple contact points of the flexible layer plates are provided, wherein the arrangement of gradually increasing the spacing between adjacent contact points or gradually decreasing the spacing between adjacent contact points can be applied to different usage demand scenarios.

[0018] Furthermore, from the extended end of the flexible layer plate toward the fixed end, the distance between adjacent contact points in the plurality of contact points arranged at intervals gradually decreases.

[0019] Furthermore, the circuit board housing is a transparent visible housing.

[0020] In a second aspect, an electronic device is provided, the electronic device comprising the resistor circuit board structure as described in any one of the above items.

[0021] It can be seen that in one of the schemes provided by the present application, a resistor circuit board structure is provided, including a telescopic mechanism and a bendable flexible layer plate, wherein: the telescopic mechanism includes a circuit board housing and a retracting mechanism, and the retracting structure is arranged in the circuit board housing; the flexible layer plate includes a fixed end, a protruding end, a first layer plate, a second layer plate, and a variable resistance material laminated between the first layer plate and the second layer plate; the fixed end of the flexible layer plate is fixedly connected to the recovery end of the retracting mechanism, the protruding end of the flexible layer plate is exposed at the outlet of the circuit board housing, and the retracting mechanism drives the flexible layer plate to be pulled out or recovered from the outlet of the circuit board housing. Compared with the traditional scheme, the utility model provides a circuit board structure with a variable resistance function, which uses a telescopic mechanism to pull out or recover the flexible layer plate, and the structure is more compact and space-saving, and the structural characteristics of laminating the variable resistance material on the flexible board are used to control the protruding end of the pulled flexible layer plate, which can meet the needs of variable resistance and is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0023] Figure 1 This is a schematic structural diagram of a flexible layer board in a resistor circuit board structure in the utility model;

[0024] Figure 2 It is a schematic diagram of pulling out a flexible layer board of a resistor circuit board structure in the utility model. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0027] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0029] Please also read Figure 1-2 As shown, a resistor circuit board structure is provided, the resistor circuit board structure includes a telescopic mechanism and a bendable flexible layer plate, wherein:

[0030] The telescopic mechanism comprises a circuit board housing and a retracting mechanism, wherein the retracting structure is arranged in the circuit board housing;

[0031] The flexible layer plate comprises a fixed end, a protruding end, a first layer plate, a second layer plate, and a variable resistance material laminated between the first layer plate and the second layer plate;

[0032] The fixed end of the flexible layer board is fixedly connected to the recovery end of the retracting mechanism, the extended end of the flexible layer board is exposed at the outlet of the circuit board housing, and the retracting mechanism drives the flexible layer board to be pulled out or recovered from the outlet of the circuit board housing.

[0033] Conventional circuit boards are generally of fixed length and require welding of resistor components to realize the resistance function, which has certain limitations. The circuit board structure of the utility model utilizes the telescopic mechanism (not shown in the figure), and the whole is similar to a tape measure. The circuit board itself has a resistance function, and the use length of the circuit board can be controlled by pulling it out. At the same time, the resistance value of the circuit board can be controlled by adjusting the pulled-out length, thereby realizing a variable resistance function.

[0034] Compared with traditional solutions, the utility model provides a circuit board structure with a variable resistor function. The utility model uses a telescopic mechanism to pull out or retract the flexible layer board, and the structure is more compact and space-saving. In addition, by utilizing the structural characteristics of laminating variable resistor materials on the flexible board, the extended end of the pulled flexible layer board can be controlled, which can meet the needs of variable resistors and is more practical.

[0035] It should be noted that the retracting mechanism inside the telescopic mechanism may adopt a retracting mechanism similar to that of a measuring tape, which is not limited or elaborated here.

[0036] Furthermore, the variable resistor material includes a liquid resistor material, which is a material having certain resistance characteristics in a liquid state, such as a general resistor liquid or; not specifically limited. Of course, other variable resistor materials can also be used, such as a resistor material with flexible characteristics, which is not specifically limited. The second layer board can use ordinary PCB board material, which is not specifically limited.

[0037] Further, the second layer board at least comprises a plurality of mutually laminated plate layer structures. Exemplarily, in this embodiment, the second layer board at least comprises a plurality of mutually laminated plate layer structures.

[0038] In this embodiment, the second layer is located at the lower layer. By setting it as a multi-layer laminated board structure, the durability of the flexible board can be improved; and by setting it as two layers, the board layer design can be reduced as much as possible to reduce costs.

[0039] Furthermore, a plurality of contact points arranged at intervals are provided on the surface of the first layer.

[0040] In this embodiment, the first layer of the board is located in the upper layer, and a plurality of contact points arranged at intervals are provided on the surface of the first layer of the board, so that the resistor corresponding to the pulled-out circuit board point can be connected to the corresponding circuit structure through the contact points.

[0041] Furthermore, adjacent contact points among the plurality of contact points arranged at intervals are arranged at equal intervals.

[0042] Furthermore, from the extended end of the flexible layer plate toward the fixed end, the distance between adjacent contact points in the plurality of contact points arranged at intervals gradually increases.

[0043] Furthermore, from the extended end of the flexible layer plate toward the fixed end, the distance between adjacent contact points in the plurality of contact points arranged at intervals gradually decreases.

[0044] In the above embodiments, several spacing arrangements of the multiple contact points of the flexible layer plates are provided, wherein the arrangement of gradually increasing the spacing between adjacent contact points or gradually decreasing the spacing between adjacent contact points can be applied to different usage demand scenarios.

[0045] Furthermore, the circuit board housing is a transparent visible housing. In this embodiment, by setting it as a transparent visible housing, the remaining usage of each flexible layer board can be seen through, which is more convenient to use.

[0046] An electronic device is provided, which may refer to various electronic products and devices, without specific limitation. The electronic device includes a resistor circuit board structure as described in any of the above items, and can be applied to more and more scenarios where a resistor circuit board structure with a variable resistor function is required.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A resistor circuit board structure, characterized in that: The resistor circuit board structure includes a telescopic mechanism and a bendable flexible layer plate, wherein: The telescopic mechanism comprises a circuit board housing and a retracting mechanism, wherein the retracting mechanism is arranged in the circuit board housing; The flexible layer plate comprises a fixed end, a protruding end, a first layer plate, a second layer plate, and a variable resistance material laminated between the first layer plate and the second layer plate; The fixed end of the flexible layer is fixedly connected to the recovery end of the retracting mechanism, the extended end of the flexible layer is exposed at the outlet of the circuit board housing, and the retracting mechanism drives the flexible layer to be pulled out or recovered from the outlet of the circuit board housing.

2. The resistor circuit board structure according to claim 1, characterized in that: The second layer board at least comprises a plurality of mutually laminated board layers.

3. The resistor circuit board structure according to claim 1, characterized in that: The second layer board includes at least two layers of a board structure laminated with each other.

4. The resistor circuit board structure according to claim 1, characterized in that: The variable resistance material includes a liquid resistance material.

5. The resistor circuit board structure according to any one of claims 1 to 4, characterized in that: A plurality of contact points arranged at intervals are provided on the surface of the first layer board.

6. The resistor circuit board structure according to claim 5, characterized in that: Adjacent contact points in the plurality of contact points arranged at intervals are arranged at equal intervals.

7. The resistor circuit board structure according to claim 5, characterized in that: From the extended end of the flexible layer toward the fixed end, the distance between adjacent contact points in the plurality of contact points arranged at intervals gradually increases.

8. The resistor circuit board structure according to claim 5, characterized in that: From the extended end of the flexible layer toward the fixed end, the distance between adjacent contact points in the plurality of contact points arranged at intervals gradually decreases.

9. The resistor circuit board structure according to any one of claims 1 to 4, characterized in that: The circuit board housing is a transparent visible housing.

10. An electronic device, characterized in that: The electronic device comprises the resistor circuit board structure as described in any one of claims 1-9.

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