Alloy resistor capable of simultaneously measuring resistance values of multiple points

Abstract

The utility model relates to an alloy resistance with the resistance value of multiple points can be measured simultaneously, especially a kind of alloy resistance can be measured to single point or more than two points of resistance value when implementing, solve the shortcoming of only single measurement under single measurement;The alloy resistance can be implemented to be composed with solder pad and printed circuit substrate, and one or more than two test points are arranged, wherein the first test point, to measure the main current flow of low impedance 0.06mΩ, wherein the second test point foot, set on the two sides of the first test point, to measure the local current variation of high impedance 0.1mΩ, measure high and low resistance value simultaneously, solve the shortcoming of only single resistance value measurement point of prior art, achieve the purpose of implementing measurement time-saving and labor-saving.

Description

Technical Field

[0001] This utility model relates to an alloy resistor capable of simultaneously measuring the resistance values ​​at multiple points. Background Technology

[0002] In today's rapidly developing technological era and the impending arrival of the AI ​​era, the accuracy of shunt resistors in electronic components for current measurement and monitoring is crucial to the performance of electronic devices, especially in reducing signal loss and interference in electronic and communication equipment. As a result, the market demand for high-precision resistors is becoming increasingly stringent.

[0003] In the process of electronic testing and quality control, current testing is one of the key indicators. Current technology can usually only measure the resistance value of a single test point in a single circuit board (PCB) test process when measuring current changes. If it is necessary to measure the current changes at multiple different locations and to meet different current sampling range requirements, different shunt resistor products need to be switched, which adds extra test points or test steps. This is not only time-consuming and reduces test efficiency, but also increases the risk of errors and costs. In addition, the interference between test points cannot be completely eliminated, which not only increases the error but also affects the accuracy of the test. Utility Model Content

[0004] In view of the shortcomings and deficiencies of the existing circuit board (PCB) current measurement process, it is necessary to propose specific improvement solutions to meet the needs of industrial progress and further provide users with more convenient technical options.

[0005] The main objective of this invention is to provide an alloy resistor capable of simultaneously measuring resistance values ​​at multiple points. This allows for single-point or multi-point measurements under the condition of measuring the alloy resistor, overcoming the shortcomings of existing resistors that can only measure one resistance value under single-point measurement. This enables the simultaneous measurement of resistance change data at one or more different measurement points under single-point measurement.

[0006] To achieve the above objectives, the specific technical means and solutions implemented by this utility model are as follows:

[0007] This invention features an alloy resistor capable of simultaneously measuring resistance values ​​at multiple points. It can be combined with a circuit board and a pad structure to form a common circuit test area, where resistance values ​​at one or more points can be measured. The alloy resistor has a first test point and a second test point. The first test point is used to measure the main current flow with a low impedance of 0.06mΩ, and the second test point is located on both sides of the first test point to measure the local current change with a high impedance of 0.1mΩ.

[0008] The first test point of the aforementioned alloy resistor has two corresponding pins.

[0009] The distance between the two corresponding pins at the first test point of the aforementioned alloy resistor is 2.1 mm.

[0010] The second test point of the aforementioned alloy resistor is provided with a pad coated on the circuit board.

[0011] The beneficial effects of this utility model are as follows:

[0012] The alloy resistor of this invention can simultaneously measure the resistance value of one or more points during a single test, thus achieving the purpose of saving labor and time in measurement. Attached Figure Description

[0013] Figure 1 This is a three-dimensional schematic diagram of the composite gold resistor of this utility model.

[0014] Figure 2 This is a three-dimensional schematic diagram of the assembly of the composite gold resistor, solder pads, and circuit board of this utility model.

[0015] Figure 3 This is a front view schematic diagram of the assembly of the composite gold resistor, solder pads and circuit board of this utility model.

[0016] The diagram is marked as follows:

[0017] 1. Alloy resistor

[0018] 11 First Test Point

[0019] 111 pins

[0020] 12 Second test point

[0021] 2. Circuit board

[0022] 3 pads Detailed Implementation

[0023] The spirit and manner of this utility model will be illustrated below with diagrams and detailed explanations. Anyone skilled in the art can make changes and modifications based on the techniques taught in this utility model after understanding the preferred embodiments, without departing from the spirit and scope of this utility model.

[0024] Please see Figure 1 and Figure 2 As shown, this utility model has an alloy resistor capable of simultaneously measuring resistance values ​​at multiple points. Here, the alloy resistor 1 is exemplified by measuring resistance values ​​of 0.1mΩ and 0.06mΩ at test points, and is described in detail below:

[0025] The aforementioned alloy resistor 1 is inserted into a circuit board 2. The circuit board 2 and the alloy resistor 1 are assembled with a pad 3 coated on their surfaces. The pad 3 is coated on the surface of the circuit board 2 and the alloy resistor 1 according to the required specifications and sizes, forming a common circuit test area. The aforementioned alloy resistor 1 is respectively provided with a first test point 11 and a second test point 12. The first test point 11 is sampled as a high current test point by means of two corresponding pins 111 of the alloy resistor 1. The second test point 12 is located on both sides of the first test point, and the area of ​​the pad 3 is used as a low current test point.

[0026] Please see Figure 2 and Figure 3 As shown, in practice, the alloy resistor 1 is assembled with the circuit board 2 and the pad 3 as a single component to form a test area of ​​the circuit board 2. When the main current path is to be measured, the two pins 111 of the alloy resistor 1 are spaced 2.1 mm apart, which can be used as the first test point 11 range, and a low impedance value of 0.06 mΩ can be sampled. When the local current change is to be measured, the pad 3 is applied to the surface of the alloy resistor 1 and the circuit board 2 within the test area formed by the circuit board 2 to form a second test point 12 range, which can be used as a sampling point, and a high impedance value of 0.1 mΩ can be measured. The alloy resistor 1 can be used to measure the resistance value of a single point or multiple points simultaneously, and each test point is set independently without interference, so that the most accurate current data can be obtained.

[0027] In summary, this invention features an alloy resistor capable of simultaneously measuring resistance values ​​at multiple points. The circuit board test area formed by the alloy resistor, the circuit board (PCB), and the pads can generate multiple current test points, thus overcoming the shortcomings of measuring different currents within the area, test errors, and interference. This improves test accuracy, reduces the number of measurements, and increases work efficiency, making this invention far superior to current products on the market. It is not only applicable to PCB testing equipment but also to power electronics testing, battery management systems (BMS), and high-precision current monitoring equipment, making it an innovative and practical patented design.

Claims

1. An alloy resistor capable of simultaneously measuring resistance values ​​at multiple points, characterized in that, It can be used in conjunction with the circuit board and pads to form a common circuit test area with the alloy resistor, so that the resistance value of one or more points can be measured within the test area; the alloy resistor is provided with a first test point and a second test point, wherein the first test point is used to measure the main current flow with a low impedance of 0.06mΩ, and the second test point is located on both sides of the first test point to measure the local current change with a high impedance of 0.1mΩ.

2. The alloy resistor as described in claim 1, characterized in that, The first test point of this alloy resistor has two corresponding pins.

3. The alloy resistor as described in claim 2, characterized in that, The two corresponding pins at the first test point of the alloy resistor are spaced 2.1 mm apart.

4. The alloy resistor as described in claim 1, characterized in that, The second test point of the alloy resistor is provided with a pad coated on the circuit board.

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