High-power small-structure resistor structure
By incorporating a resistor module within a square ceramic housing and filling it with quartz sand, a high-power, small-structure resistor structure was designed, overcoming the shortcomings of traditional resistors in terms of impact resistance and size, and achieving a miniaturized and high-power resistor structure.
Patent Information
- Application Number
- CN202423144722.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Traditional cement resistors and color-coded resistors are insufficient in terms of impact resistance and size, and the insulation and heat resistance of the resistor body are limited by the coating and size.
Design a high-power, small-structure resistor structure. The resistor module is built into a square ceramic shell and covered with a quartz sand mixture. The resistor blocks are arranged in a ring around the fuse block and connected in series to form a strip structure through a special connection method.
It achieves minimal structure and maximizes space utilization, while also possessing high power and enhanced circuit shock resistance.
Smart Images

Figure CN223828291U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of resistance, especially to a high-power small-structure resistance structure. BACKGROUND
[0002] The resistance of a conductor to current is called the resistance of the conductor. Resistance is a physical quantity that represents the degree of resistance of a conductor to current in physics. The greater the resistance of a conductor, the greater the resistance of the conductor to current. Different conductors generally have different resistances, and resistance is a property of the conductor itself.
[0003] Traditional cement resistance or color ring resistance, prior art, CN202310017718.0, in the impact resistance, often need a larger size of the product design, and the insulation and heat resistance of the resistance body are limited by the coating and the size of the body.
[0004] Therefore, it is necessary to design a high-power small-structure resistance structure to solve the above problems. INVENTION CONTENTS
[0005] The utility model aims at providing a high-power small-structure resistance structure to overcome the above-mentioned deficiencies of the prior art.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0007] A high-power small-structure resistance structure, comprising a square ceramic shell, a resistance module placed in the square ceramic shell, and a quartz sand mixed filler used to fill in the square ceramic shell to cover the resistance module, characterized in that: the resistance module comprises a fuse block placed in the middle, a plurality of resistance blocks arranged in sequence clockwise around the fuse block and connected in series.
[0008] Preferably, the resistance blocks are arranged in four groups, namely a first resistance block, a second resistance block, a third resistance block, and a fourth resistance block. The first resistance block, the second resistance block, the third resistance block, the fourth resistance block, and the first end of the fuse block are all located at the same side end face. The first resistance block, the second resistance block, the fuse block, the third resistance block, the fourth resistance block, and the first end of the fuse block are sequentially connected in series.
[0009] Preferably, the end faces of the first resistance block, the second resistance block, the third resistance block, and the fourth resistance block are flush.
[0010] Preferably, the lead wire at the beginning of the fuse block is connected to the lead wire at the beginning of the first resistor block, and the lead wire at the end of the first resistor block is connected to the lead wire at the end of the second resistor block; the lead wire at the beginning of the second resistor block extends outward, the lead wire at the end of the fuse block is connected to the lead wire at the end of the third resistor block, the lead wire at the beginning of the third resistor block is connected to the lead wire at the end of the fourth resistor block, and the lead wire at the beginning of the fourth resistor block extends outward.
[0011] Preferably, the lead connecting the first end of the third resistor block to the tail end of the fourth resistor block passes between the third resistor block and the fourth resistor block.
[0012] Preferably, a partition is also provided between the resistor blocks.
[0013] The beneficial effects of this utility model are: This technical solution arranges the resistors in a ring around the fuse block, and then connects them in series in a special way to form an overall strip structure. This not only minimizes the structure and maximizes space utilization, but also allows for greater power and increases the product's impact resistance in the circuit. Attached Figure Description
[0014] Fig. 1 This is a schematic diagram of a high-power, small-structure resistor according to the present invention.
[0015] Fig. 2 This is a first-view schematic diagram of a resistor module with a high-power, small-structure resistor according to the present invention.
[0016] Fig. 3 This is a second-view schematic diagram of a resistor module with a high-power, small-structure resistor according to the present invention.
[0017] Fig. 4 This is a schematic diagram of a square ceramic shell structure for a high-power, small-structure resistor according to the present invention;
[0018] In the diagram: 1 - Square ceramic casing; 2 - Resistor module; 3 - Quartz sand mixture filler; 4 - Fuse block; 21 - First resistor block; 22 - Second resistor block; 23 - Third resistor block; 24 - Fourth resistor block; 5 - Partition plate. Detailed Implementation
[0019] Reference Figs. 1 to 4 A high-power, small-structure resistor structure includes a square ceramic shell 1, a resistor module 2 placed inside the square ceramic shell, and a quartz sand mixture filler 3 for filling the square ceramic shell 1 to cover the resistor module 2.
[0020] The resistor module 2 includes a fuse block 4 placed in the middle, and a first resistor block 21, a second resistor block 22, a third resistor block 23, and a fourth resistor block 24 respectively placed around the fuse block and arranged with the fuse block as the center.
[0021] The first resistor block 21, the second resistor block 22, the third resistor block 23, and the fourth resistor block 24 are arranged in a clockwise order; and the end faces on both sides of the first resistor block 21, the second resistor block 22, the third resistor block 23, and the fourth resistor block 24 are all flush.
[0022] The first resistor block 21, the second resistor block 22, the third resistor block 23, the fourth resistor block 24, and the fuse block 4 are all located on the same side end face;
[0023] The first resistor block 21, the second resistor block 22, the fuse block 4, the third resistor block 23, and the fourth resistor block 24 are connected in series in sequence to ensure the power of the entire resistor, ensuring that this is the maximum power.
[0024] The lead wire at the beginning of the fuse block 4 is connected to the lead wire at the beginning of the first resistor block 5, and the lead wire at the end of the first resistor block 21 is connected to the lead wire at the end of the second resistor block 22; the lead wire at the beginning of the second resistor block 22 extends outward for external connection.
[0025] The tail end of the fuse block 4 is connected to the lead at the tail end of the third resistor block 23, and the head end of the third resistor block 23 is connected to the lead at the tail end of the fourth resistor block 24. The lead at the head end of the fourth resistor block 24 extends outward for external connection. The lead connecting the head end of the third resistor block 23 to the tail end of the fourth resistor block 24 passes between the third resistor block 23 and the fourth resistor block 24.
[0026] A partition 5 is provided between the first resistor block 21 and the second resistor block 22;
[0027] A partition 5 is provided between the second resistor block 22 and the third resistor block 23; a partition 5 is provided between the fourth resistor block 24 and the first resistor block 21; the partition 5 and the lead wires placed on the third fuse block 23 and the fourth fuse block are all used as partitions 5 to separate the resistors and prevent the resistors from interacting with each other.
[0028] The square ceramic outer shell 1 has a groove 11 inside for placing the resistor module. A partition groove 12 is also provided on the side of the groove 11 for use with the protruding partition to prevent it from protruding.
[0029] The advantages of this utility model are that the resistors are arranged in a ring around the fuse block, and then connected in series in a special way to form an overall strip structure. This not only minimizes the structure and maximizes space utilization, but also allows for greater power and increases the product's impact resistance in the circuit.
[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high-power, small-structure resistor structure, comprising a square ceramic shell, a resistor module disposed within the square ceramic shell, and a quartz sand mixture filling material for filling the square ceramic shell and covering the resistor module, characterized in that: The resistor module includes a fuse block placed in the middle and several resistor blocks placed around the fuse block wire and arranged around the fuse block as the center. The resistor blocks are arranged in a clockwise direction around the fuse block and connected in series.
2. The high-power small-structure resistor structure according to claim 1, characterized in that: The resistor blocks are arranged in four groups, namely the first resistor block, the second resistor block, the third resistor block, and the fourth resistor block. The first resistor block, the second resistor block, the third resistor block, the fourth resistor block, and the fuse block are all located on the same side end face. The first resistor block, the second resistor block, the fuse block, the third resistor block, and the fourth resistor block are connected in series in sequence.
3. The high-power small-structure resistor structure according to claim 2, characterized in that: The end faces on both sides of the first resistor block, the second resistor block, the third resistor block, and the fourth resistor block are all flush.
4. The high-power small-structure resistor structure according to claim 3, characterized in that: The lead wire at the beginning of the fuse block is connected to the lead wire at the beginning of the first resistor block, and the lead wire at the end of the first resistor block is connected to the lead wire at the end of the second resistor block; the lead wire at the beginning of the second resistor block extends outward, the lead wire at the end of the fuse block is connected to the lead wire at the end of the third resistor block, the lead wire at the beginning of the third resistor block is connected to the lead wire at the end of the fourth resistor block, and the lead wire at the beginning of the fourth resistor block extends outward.
5. The high-power small-structure resistor structure according to claim 4, characterized in that: The lead wire connecting the first end of the third resistor block and the tail end of the fourth resistor block passes between the third resistor block and the fourth resistor block.
6. The high-power small-structure resistor structure according to claim 1, characterized in that: A partition is also provided between the resistor blocks.
Citation Information
Patent Citations
High-pressure plastic package type surface-mounted PTC (Positive Temperature Coefficient) thermosensitive resistor
CN116190023A