Probe type inductance test auxiliary jig

Abstract

The utility model discloses a probe type inductance test auxiliary tool, comprising a fixed seat, a work bench, a conductive spring probe and a circuit board, the work bench is detachably fixed on the fixed seat, the circuit board is detachably fixed under the fixed seat, the fixed seat, the work bench and the circuit board are parallel to each other, the work bench is provided with a plurality of insertion through holes, and the insertion through holes are communicated with the spring probe. The upper sections of the spring probes are vertically fixed in the insertion through holes, a plurality of conducting strips are arranged on the circuit board, a plurality of test pins are arranged below the circuit board, the conducting strips correspond to the test pins one by one and are communicated with the test pins, and the lower ends of the spring probes are located right above the conducting strips. Compared with the prior art, the device is simple in operation, and can effectively improve the inductance test efficiency.

Description

Technical Field

[0001] The utility model belongs to inductor inductance testing equipment, in particular to a probe-type auxiliary fixture for assisting inductor inductance testing. Background Art

[0002] An inductor is a device specially designed to effectively utilize the electromagnetic induction phenomenon. Its main characteristics are that it blocks alternating current and passes direct current. It is widely used in various electronic devices. For inductor manufacturers, the inductance parameters of the inductor need to be tested before the inductor leaves the factory to ensure the quality of the inductor. At present, in the process of inductor inductance testing, the pins of some types of inductors are designed with rivets. These types of inductors are cumbersome and inefficient to operate when docked with the inductance tester. Therefore, it is necessary to design a transfer fixture that can transfer the pins of this type of inductor to the inductance tester. Utility Model Content

[0003] The utility model aims to overcome the problem of connecting the inductance test pins of the existing inductor and to provide a probe-type inductance test auxiliary fixture which is simple to operate and can effectively improve the inductance test efficiency of the inductor.

[0004] The utility model solves the technical problem by adopting a technical solution: a probe-type inductance test auxiliary fixture, comprising a fixing seat, a workbench, a conductive spring probe and a circuit board, the workbench is detachably fixed on the fixing seat, the circuit board is detachably fixed under the fixing seat, the fixing seat, the workbench and the circuit board are parallel to each other, a plurality of insertion through holes are arranged on the workbench, the upper section of the spring probe is vertically fixed in the insertion through holes, a plurality of conductive sheets are arranged on the circuit board, a plurality of test pins are arranged under the circuit board, the conductive sheets correspond to the test pins one by one and are connected, and the lower end of the spring probe is located directly above the conductive sheet.

[0005] Optionally, the spring probe is mainly composed of a guide sleeve, a movable plug, a downward pressure column, a spring and a probe. The movable plug is placed in the guide sleeve, the downward pressure column is fixed on the movable plug and extends upward from the guide sleeve, the probe is fixed under the movable plug and extends downward from the guide sleeve, and the spring is sleeved on the probe and placed in the guide sleeve.

[0006] The use and principle of the utility model are as follows: a workbench with a suitable arrangement of insertion through holes is selected according to the number and pitch of inductor pins, the workbench is fixed on a fixing seat, the pins of the inductor are inserted into the insertion through holes one by one, and are placed on the upper end surface of the spring probe, the inductor is pressed down by hand, the pin of the inductor causes the probe of the spring probe to move downward, contact the conductive sheet on the circuit board, the conductive sheet is connected with the test pin, the test pin is connected with the inductance tester, a loop is formed, and the inductance test of the inductor is realized by the inductance tester; the hand is released from the inductor, the probe of the spring probe is returned to its original position under the action of the spring of the spring probe, the contact between the spring probe and the conductive sheet is released, the loop is disconnected, the inductance tester is in a state to be tested, the inductor on the workbench is removed, and the next inductor test is waited.

[0007] Compared with the prior art, the utility model has the following beneficial effects: the utility model is easy to operate and can effectively improve the efficiency of inductance testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a front structural schematic diagram of the utility model;

[0009] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0010] Figure 3 This is a side view of the structure of the utility model;

[0011] Figure 4 This is a schematic diagram of the cross-sectional structure of the spring probe of the utility model;

[0012] The components described in the accompanying drawings are marked as follows: a fixing seat 1, a workbench 2, a circuit board 4, an insertion hole 5, a conductive sheet 6, a test pin 7, a guide sleeve 8, a movable plug 9, a pressing column 10, a spring 11, and a probe 12. DETAILED DESCRIPTION

[0013] Embodiment 1, below combines Figure 1-4 The utility model is further described. The probe-type inductance test auxiliary fixture includes a fixed seat 1, a workbench 2, a conductive spring probe 3 and a circuit board 4. The fixed table adopts a rubber frame, a positioning column is arranged on the fixed table, a positioning hole is arranged under the workbench, the upper part of the fixed table clamps the workbench, a fixed copper column is arranged under the fixed table, a fixing hole is arranged on the circuit board, the circuit board is detachably fixed under the fixed seat, the fixed seat, the workbench and the circuit board are parallel to each other, a plurality of insertion through holes 5 are arranged on the workbench, the insertion through holes are distributed in two rows, the upper section of the spring probe is vertically embedded or clamped in the insertion through holes, a plurality of conductive sheets 6 are arranged on the circuit board, a plurality of test pins 7 are arranged under the circuit board, the conductive sheets correspond to the test pins one by one and are connected, the conductive sheets and the test pins are distributed in multiple rows, and the lower end of the spring probe is located directly above the conductive sheet.

[0014] Optionally, the spring probe is mainly composed of a guide sleeve 8, a movable plug 9, a pressure column 10, a spring 11 and a probe 12. The movable plug is placed in the guide sleeve, the pressure column is fixed on the movable plug and extends upward from the guide sleeve, the probe is fixed under the movable plug and extends downward from the guide sleeve, and the spring is sleeved on the probe and placed in the guide sleeve.

[0015] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A probe-type inductance test auxiliary fixture, comprising a fixing seat (1), a workbench (2), a conductive spring probe (3) and a circuit board (4), characterized in that: The workbench is detachably fixed on the fixing seat, the circuit board is detachably fixed under the fixing seat, the fixing seat, the workbench and the circuit board are parallel to each other, a plurality of insertion through holes (5) are provided on the workbench, the upper section of the spring probe is vertically fixed in the insertion through holes, a plurality of conductive sheets (6) are provided on the circuit board, a plurality of test pins (7) are provided under the circuit board, the conductive sheets correspond to the test pins one by one and are connected, and the lower end of the spring probe is located directly above the conductive sheet.

2. The probe-type inductance test auxiliary fixture according to claim 1, characterized in that: The spring probe mainly comprises a guide sleeve (8), a movable plug (9), a pressure column (10), a spring (11) and a probe (12); the movable plug is placed in the guide sleeve; the pressure column is fixed on the movable plug and extends upward from the guide sleeve; the probe is fixed under the movable plug and extends downward from the guide sleeve; the spring is sleeved on the probe and placed in the guide sleeve.

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