Base for testing diode

Abstract

The utility model discloses a base for diode testing, which relates to the field of diode detection equipment and comprises a circuit board, a rectifier arranged at one end of the top of the circuit board, a regulation and control switch arranged on one side of the rectifier, a slide rheostat arranged on one side of the top of the circuit board and a row of first pin cylinders arranged on one side of the slide rheostat. The first pin cylinder is arranged on one side of the circuit board, the second pin cylinder is arranged on the other side of the first pin cylinder, the digital ammeter is arranged on the other side of the second pin cylinder, and the distance adjusting component is arranged in the center of the top of the circuit board. According to the utility model, the functions of rectification, regulation and control, measurement and the like are integrated, the operation is simple and convenient, the test efficiency is improved, the good contact between the diode pin and the electrode plate is ensured, adjustment can be carried out according to the size of the diode, the universality and adaptability of the base are enhanced, and the diodes of the same specification can be detected in batches at the same time.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of diode detection equipment, specifically to a base for diode test. BACKGROUND

[0002] The main purpose of detecting diodes is to verify their forward conduction and reverse blocking performance, to ensure that they can work normally in the circuit and meet the relevant standards. Through detection, potential defects or damage of diodes can be found in time, thereby improving the reliability and safety of products, which is crucial for ensuring the stable operation of the entire electronic system. Traditional diode testing methods often require the use of multiple test instruments and connection lines, which are cumbersome to operate and inefficient. Therefore, it is particularly important to develop an integrated and convenient diode testing base.

[0003] According to the diode testing device provided in the application number 202420230048.0, it comprises a support plate, a testing mechanism installed on the support plate, the testing mechanism is used for light emitting test of diodes, the testing mechanism has: a test plate fixedly installed on the upper end of the support plate; a DC power supply arranged in the interior of the test plate; a test sleeve arranged through the end of the test plate, the test sleeve is electrically connected with the DC power supply, and the test sleeve is used for placing the positive pin of the diode; a movable plate arranged on one side of the test plate; a test groove opened on one end of the movable plate facing the test plate; the test groove is electrically connected with the DC power supply, and the test groove is used for placing the negative pin of the diode; and an adjusting mechanism for adjusting the position of the movable plate.

[0004] The above file can automatically adapt to the size when testing diodes of different specifications through the design of the distance adjusting structure, without the need to select the test device that matches it, but batch detection is not possible. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide a base for diode test to solve the technical problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A base for diode test, comprising a circuit board, a rectifier arranged at one end of the top of the circuit board, a control switch arranged on one side of the rectifier, a sliding rheostat arranged on one side of the top of the circuit board, a row of first pin cylinders arranged on one side of the sliding rheostat, second pin cylinders arranged on the other side of the first pin cylinders, digital ammeters arranged on the other side of the second pin cylinders, and a distance adjusting component arranged in the center of the top of the circuit board.

[0008] Preferably, the control switch comprises three gears of positive connection, reverse connection and open circuit.

[0009] Preferably, the first pin barrel includes a first electrode plate fixed inside the circuit board near the center, a first extrusion plate disposed inside the first pin barrel on the other side, and a first spring connecting the first extrusion plate to the inner wall of the first pin barrel.

[0010] Preferably, the second pin barrel includes a second electrode plate fixed inside the circuit board near the center, a second extrusion plate disposed inside the second pin barrel on the other side, and a second spring connecting the second extrusion plate to the inner wall of the second pin barrel.

[0011] Preferably, the sliding rheostat includes a first wire disposed inside a row of first pin barrels and connected in parallel to all the first electrode plates, a second wire connecting the first wire to the sliding rheostat slider terminal, and a third wire disposed at the bottom of the circuit board and connected to the sliding rheostat coil terminal and one terminal of the control switch.

[0012] Preferably, one end of the digital ammeter is connected to the second electrode plate, and the other end includes a fourth wire located at the bottom of the circuit board and connected in parallel to all digital ammeters, and a fifth wire connecting the fourth wire to another terminal of the control switch.

[0013] Preferably, the adjusting component includes sliders at both ends of a row of first needle cylinders, a slide rail at the top of the circuit board and sleeved outside the sliders, a threaded cylinder in the middle of the row of first needle cylinders, a threaded rod rotatably disposed on both sides of the top of the circuit board and connected to the threaded cylinder by a nut, and a knob at one end of the threaded rod.

[0014] In summary, this technical solution has the following main advantages:

[0015] In this embodiment, rectification, regulation, and measurement functions are integrated into one unit, with a high degree of integration. The control switch has three positions: positive connection, reverse connection, and open circuit, which can meet different testing requirements. By sliding a sliding rheostat on the main circuit, the voltage across the diode can be linearly adjusted while protecting the circuit, providing more test data. The operation is simple and the testing efficiency is improved.

[0016] By setting up two rows of pin barrels connected in parallel, it is possible to test one or several diodes simultaneously as needed. The pin barrels are equipped with springs and compression plates to ensure good contact between the diode leads and the electrode plates, thus improving the accuracy of the test. The distance between the two rows of pin barrels can be adjusted by the distance adjustment component, allowing the testing device to be batch-adjusted according to the size of the diodes, thereby enhancing the versatility and adaptability of the base. Attached Figure Description

[0017] Figure 1 is a whole structure isometric view of the utility model;

[0018] Figure 2 is a whole structure isometric view of the utility model;

[0019] Figure 3 is a whole structure plan view of the utility model;

[0020] Figure 4 is a whole structure bottom view of the utility model;

[0021] Figure 5 is a partial structure split schematic view of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS: 10, circuit board; 11, rectifier; 12, control switch; 13, sliding rheostat; 14, first pin cylinder; 15, second pin cylinder; 16, digital ammeter; 17, distance adjusting component; 141, first electrode plate; 142, first extrusion plate; 143, first spring; 151, second electrode plate; 152, second extrusion plate; 153, second spring; 131, first wire; 132, second wire; 133, third wire; 161, fourth wire; 162, fifth wire; 171, sliding block; 172, sliding rail; 173, threaded cylinder; 174, threaded rod; 175, knob. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] EMBODIMENT

[0025] Please refer to the drawings in the embodiments of the utility model Figure 1 , 2, 3, 5, a diode test base, including a circuit board 10, provided in the rectifier 11 of the top of the circuit board 10 one end, provided in the control switch 12 of the rectifier 11 one side, provided in the slide rheostat 13 of the top of the circuit board 10 one side, provided in the first needle cylinder 14 of the slide rheostat 13 one side, provided in the second needle cylinder 15 of the first needle cylinder 14 the other side, provided in the digital ammeter 16 of the second needle cylinder 15 the other side, provided in the distance adjusting component 17 of the top of the circuit board 10 central; Distance adjusting component 17 includes the slider 171 provided in the first needle cylinder 14 both ends, provided in the slide rail 172 of the top of the circuit board 10 and sleeve outside the slider 171, provided in the threaded cylinder 173 of the first needle cylinder 14 middle part, provided in the threaded rod 174 of the top of the circuit board 10 both sides and silk mother connection threaded cylinder 173, provided in the knob 175 of the threaded rod 174 one end; The first needle cylinder 14 includes the first electrode plate 141 fixed to the inside near the central side of the circuit board 10, the first extrusion plate 142 provided in the other side of the first needle cylinder 14 inside, the first spring 143 connecting the first extrusion plate 142 and the inner wall of the first needle cylinder 14; The second needle cylinder 15 includes the second electrode plate 151 fixed to the inside near the central side of the circuit board 10, the second extrusion plate 152 provided in the other side of the second needle cylinder 15 inside, the second spring 153 connecting the second extrusion plate 152 and the inner wall of the second needle cylinder 15.

[0026] The above, the first needle cylinder 14 and the second needle cylinder 15 inside are provided with electrode plate, extrusion plate and spring structure, the top of the electrode plate and the extrusion plate has chamfer, convenient needle foot insertion, when the diode pin is inserted into the needle cylinder, through the extrusion can ensure the good contact of the diode pin and the electrode plate, the distance adjusting component 17 includes slider 171, slide rail 172, threaded cylinder 173, threaded rod 174 and knob 175, the distance between the first needle cylinder 14 and the second needle cylinder 15 can be adjusted by rotating the knob 175, in this way, the device can adapt to different specifications and sizes of diode, improve the applicability of the device.

[0027] Please refer to the attached drawings Figure 1 , 2 , 4, 5, the control switch 12 includes three gears of positive connection, reverse connection and open circuit; The slide rheostat 13 includes the first wire 131 provided in the first needle cylinder 14 inside and parallel to all the first electrode plate 141, the second wire 132 connecting the first wire 131 and the slide rheostat 13 slide rod terminal, the third wire 133 provided in the circuit board 10 bottom and connecting the slide rheostat 13 coil terminal and the control switch 12 one terminal; One end of the digital ammeter 16 is connected with the second electrode plate 151, and the other end includes the fourth wire 161 provided in the circuit board 10 bottom and parallelly connected with all the digital ammeter 16, and the fifth wire 162 connecting the fourth wire 161 and the other terminal of the control switch 12.

[0028] The above-mentioned slide rheostat 13 has the ability to adjust the voltage applied across the diode, in addition to its own resistance, which prevents the diode from causing a short circuit in the entire circuit and damaging the power supply when it is turned on. The rectifier 11 at the top end of the circuit board 10 is used to convert alternating current into direct current to provide a stable power supply for testing. By changing the positive and negative connections and the open circuit of the control switch 12, the performance of the diode under forward current and reverse current can be continuously tested without removing the diode. By adjusting the resistance of the slide rheostat 13, the voltage applied across the diode can be linearly changed, and the corresponding value on the digital multimeter 16 can be observed and recorded, i.e. the performance of the diode is determined.

[0029] The above examples only illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made on the basis of the technical solution according to the technical idea of the present application falls within the protection scope of the present application.

Claims

1. A base for diode testing, comprising a circuit board (10), characterized in that Rectifier (11) is arranged at one end of the top of the circuit board (10), control switch (12) is arranged at one side of the rectifier (11), sliding rheostat (13) is arranged at one side of the top of the circuit board (10), a row of first pin cylinder (14) is arranged at one side of the sliding rheostat (13), second pin cylinder (15) is arranged at the other side of the first pin cylinder (14), digital ammeter (16) is arranged at the other side of the second pin cylinder (15), distance adjusting component (17) is arranged at the center of the top of the circuit board (10).

2. The diode testing base according to claim 1, wherein The control switch (12) includes three positions of positive connection, reverse connection and open circuit.

3. The diode testing base of claim 1, wherein The first pin cylinder (14) includes a first electrode plate (141) fixed to one side of the inside of the circuit board (10) close to the center, a first extrusion plate (142) arranged at the other side of the inside of the first pin cylinder (14), and a first spring (143) connecting the first extrusion plate (142) and the inner wall of the first pin cylinder (14).

4. The diode testing base of claim 1, wherein The second pin cylinder (15) includes a second electrode plate (151) fixed to one side of the inside of the circuit board (10) close to the center, a second extrusion plate (152) arranged at the other side of the inside of the second pin cylinder (15), and a second spring (153) connecting the second extrusion plate (152) and the inner wall of the second pin cylinder (15).

5. The diode test socket of claim 3, wherein, The sliding rheostat (13) includes a first wire (131) arranged in parallel with all the first electrode plates (141) inside a row of the first pin cylinder (14), a second wire (132) connecting the first wire (131) and the slide lever terminal of the sliding rheostat (13), and a third wire (133) arranged at the bottom of the circuit board (10) to connect the coil terminal of the sliding rheostat (13) and one terminal of the control switch (12).

6. The diode test socket of claim 4, wherein, One end of the digital ammeter (16) is connected to the second electrode plate (151), and the other end includes a fourth wire (161) arranged at the bottom of the circuit board (10) and connected in parallel with all the digital ammeters (16), and a fifth wire (162) connecting the fourth wire (161) and the other terminal of the control switch (12).

7. The diode test socket of claim 1, wherein, The distance adjusting component (17) includes a slide block (171) arranged at both ends of a row of the first pin cylinder (14), a slide rail (172) arranged at the top of the circuit board (10) and sleeved outside the slide block (171), a threaded cylinder (173) arranged at the middle of a row of the first pin cylinder (14), a threaded rod (174) rotatingly arranged at both sides of the top of the circuit board (10) and connected to the threaded cylinder (173) through a nut, and a knob (175) arranged at one end of the threaded rod (174).

Images