Oscilloscope probe testing device

Abstract

The utility model relates to the technical field of oscilloscope probes, and discloses a testing device of an oscilloscope probe, which comprises a testing machine, an electric appliance element is fixedly arranged in the testing machine, a motor is fixedly arranged on the inner wall of the testing machine, and a cooling fan is fixedly arranged on the surface of an output shaft of the motor. A cleaning assembly and a movable assembly are arranged in the testing machine, the movable assembly comprises a fixed plate, the fixed plate is fixedly installed in the testing machine, and a telescopic rod is slidably connected to the interior of the fixed plate. When a movable rod rotates, a movable plate is driven to swing up and down, and when a telescopic rod extends leftwards, a sliding plate is driven to slide at the top of a fixed plate, so that the movable plate is moved to swing and moves leftwards and rightwards under the action of a reciprocating screw rod, and the internal air fluidity of the testing machine is enhanced; and the heat dissipation effect in the testing machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oscilloscope probes, in particular to a testing device for oscilloscope probes. Background Art

[0002] The oscilloscope probe is a part of the oscilloscope measurement system, which is used to connect the circuit under test and transmit the electrical signal to the oscilloscope. The oscilloscope probe is crucial to the accuracy and correctness of the measurement results. It is an electronic component that connects the circuit under test to the input of the oscilloscope. The simplest probe is a wire that connects the circuit under test to the input of the electronic oscilloscope. The complex probe is composed of resistors and capacitors and active devices. Simple probes are not shielded and are easily interfered by external electromagnetic fields. In addition, the equivalent capacitance itself is large, which increases the load of the circuit under test and distorts the measured signal. The test device of the oscilloscope probe is a device used to detect and calibrate the oscilloscope probe.

[0003] However, when the existing oscilloscope probe test device is used for a long time, dust in the air will adhere to the surface of the heat dissipation net, causing the heat dissipation net on the surface of the test device to be blocked, reducing the heat dissipation effect inside the test device, shortening the service life of the internal parts of the test device, and increasing maintenance costs. Utility Model Content

[0004] The utility model aims to provide a testing device for an oscilloscope probe to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a test device for an oscilloscope probe, comprising a test machine, wherein an electrical component is fixedly installed inside the test machine, a motor is fixedly installed on the inner wall of the test machine, a cooling fan is fixedly installed on the surface of the motor output shaft, a cleaning component and a movable component are arranged inside the test machine, when the cam rotates, the movable rod is driven to rotate, when the movable rod rotates, the movable plate is driven to swing up and down, and when the telescopic rod is extended to the left, the sliding plate is driven to slide on the top of the fixed plate, so that the movable plate is mobilized to swing and move left and right under the action of the reciprocating screw, and the movable component comprises:

[0006] A fixed plate, the fixed plate is fixedly mounted inside the testing machine, a telescopic rod is slidably connected inside the fixed plate, a reciprocating screw is fixedly mounted on the right side of the telescopic rod, and the reciprocating screw is fixedly mounted on the surface of the motor output shaft;

[0007] A slide plate, wherein the slide plate is threadedly connected to the surface of the reciprocating screw rod, the slide plate is slidably connected to the inside of the slide plate, a connecting plate is fixedly installed on the top of the slide plate, a collar is fixedly installed on the top of the connecting plate, the collar is sleeved on the surface of the telescopic rod, the telescopic rod is rotatably connected to the inside of the collar, and a fixing ring is fixedly installed on the surface of the telescopic rod;

[0008] A cam is fixedly mounted on the surface of the telescopic rod, a movable rod is hinged on the surface of the cam, a movable plate is hinged on the inner side of the movable rod, a sliding plate is hinged on the surface of the movable plate, and the sliding plate is slidably connected to the top of the fixed plate, thereby enhancing the internal air flow of the test machine and improving the heat dissipation effect inside the test machine.

[0009] Preferably, the cleaning assembly includes: a rotating shaft, which is rotatably connected to the interior of the testing machine, the rotating shaft is arranged on the surface of the telescopic rod, the telescopic rod is slidably connected to the interior of the rotating shaft, a threaded rod is fixedly installed on the left side of the rotating shaft, a movable block is threadedly connected to the surface of the threaded rod, the movable block is slidably connected to the interior of the testing machine, a cleaning rod is hinged on the left side of the movable block, a cleaning block is hinged on the left side of the cleaning rod, and the cleaning block is slidably connected to the inner wall of the testing machine.

[0010] Preferably, the testing machine is internally connected to a rotating shaft, the surface of the rotating shaft is connected to the surface of the threaded rod through a belt drive, a sliding rod is slidably connected to the rotating shaft, a telescopic plate is fixedly installed on the top of the sliding rod, and the telescopic plate is fixedly installed inside the testing machine. When the cleaning rod slides, it will resist the cleaning block and slide upward on the surface of the heat dissipation net, thereby cleaning the surface of the heat dissipation net. When the threaded rod rotates, it will also drive the rotation of the rotating shaft through the belt. When the rotating shaft rotates, it will drive the sliding rod to slide to the left through the arc groove opened on the surface of the rotating shaft. When the sliding rod slides, it will pull the telescopic plate fixed on the top to extend to the left, thereby knocking the surface of the heat dissipation net, thereby increasing the cleaning effect, increasing the service life of internal parts, and reducing maintenance costs.

[0011] Preferably, the cross section of the slide plate is T-shaped, which can improve the connection effect of the slide plate.

[0012] Preferably, a groove is provided on the top of the cleaning block to collect dust that falls inside the cleaning test machine.

[0013] Preferably, an arc groove is provided on the surface of the rotating shaft, and the rotation of the rotating shaft can be used to drive the sliding rod to slide.

[0014] Preferably, a heat dissipation net is fixedly installed on the outside of the test machine to enhance the heat dissipation inside the test machine.

[0015] Compared with the prior art, the utility model provides a testing device for an oscilloscope probe, which has the following beneficial effects:

[0016] 1. The test device of the oscilloscope probe drives the movable rod to rotate when the cam rotates, and drives the movable plate to swing up and down when the movable rod rotates. When the telescopic rod is extended to the left, the sliding plate is driven to slide on the top of the fixed plate, so that the movable plate is mobilized to swing and move left and right under the action of the reciprocating screw, thereby enhancing the internal air flow of the test machine and improving the heat dissipation effect inside the test machine.

[0017] 2. The test device of the oscilloscope probe, when the cleaning rod slides, it will resist the cleaning block to slide upward on the surface of the heat dissipation net, thereby cleaning the surface of the heat dissipation net, when the threaded rod rotates, it will also drive the rotation of the rotating shaft through the belt, when the rotating shaft rotates, it will drive the sliding rod to slide to the left through the arc groove opened on the surface of the rotating shaft, when the sliding rod slides, it will pull the telescopic plate fixed on the top to extend to the left, thereby knocking on the surface of the heat dissipation net, increasing the cleaning effect, increasing the service life of internal parts, and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the active component of the utility model;

[0021] Figure 4 This is a schematic diagram of the front view structure of the cleaning component of the utility model;

[0022] Figure 5 This is a schematic diagram of the front view structure of the rotating shaft of the utility model

[0023] In the figure: 1. testing machine; 2. electrical components; 3. motor; 4. cooling fan; 5. cleaning assembly; 51. rotating shaft; 52. threaded rod; 53. movable block; 54. cleaning rod; 55. cleaning block; 56. rotating shaft; 57. sliding rod; 58. telescopic plate; 6. movable assembly; 61. fixed plate; 62. telescopic rod; 63. reciprocating screw rod; 64. sliding plate; 65. connecting plate; 66. collar; 67. fixed ring; 68. cam; 69. movable rod; 610. movable plate; 611. sliding plate; 550. groove; 560. arc groove; 7. heat dissipation net. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 5As shown, the utility model provides a technical solution: a testing device for an oscilloscope probe, comprising a testing machine 1, wherein an electrical component 2 is fixedly installed inside the testing machine 1, a motor 3 is fixedly installed on the inner wall of the testing machine 1, a cooling fan 4 is fixedly installed on the output shaft surface of the motor 3, a cleaning component 5 and a movable component 6 are arranged inside the testing machine 1, when the cam 68 rotates, the movable rod 69 is driven to rotate, when the movable rod 69 rotates, the movable plate 610 is driven to swing up and down, and when the telescopic rod 62 is extended to the left side, the sliding plate 611 is driven to slide on the top of the fixed plate 61, so that the movable plate 610 is mobilized to swing and move left and right under the action of the reciprocating screw 63, and the movable component 6 comprises: a fixed plate 61, a telescopic rod 62, a reciprocating screw 63, a slide plate 64, a connecting plate 65, a collar 66, a fixed ring 67, a cam 68, a movable rod 69, a movable plate 610, and a sliding plate 611.

[0025] A fixed plate 61 is fixedly installed inside the testing machine 1, and a telescopic rod 62 is slidably connected inside the fixed plate 61. A reciprocating screw 63 is fixedly installed on the right side of the telescopic rod 62. The reciprocating screw 63 is fixedly installed on the surface of the output shaft of the motor 3. A slide plate 64 is threadedly connected to the surface of the reciprocating screw 63. The slide plate 64 is slidably connected to the inside of the slide plate 64. A connecting plate 65 is fixedly installed on the top of the slide plate 64. A ring 66 is fixedly installed on the top of the connecting plate 65. The ring 66 is sleeved on the surface of the telescopic rod 62. The telescopic rod 62 is rotatably connected to the inside of the ring 66. A fixed ring 67 is fixedly installed on the surface of the telescopic rod 62. A cam 68 is fixedly installed on the surface of the telescopic rod 62. A movable rod 69 is hinged on the surface of the cam 68. A movable plate 610 is hinged on the inner side of the movable rod 69. A sliding plate 611 is hinged on the surface of the movable plate 610. The sliding plate 611 is slidably connected to the top of the fixed plate 61, thereby enhancing the internal air flow of the testing machine 1 and improving the heat dissipation effect inside the testing machine 1.

[0026] The cleaning assembly 5 includes: a rotating shaft 51, which is rotatably connected to the inside of the testing machine 1, and the rotating shaft 51 is arranged on the surface of a telescopic rod 62, and the telescopic rod 62 is slidably connected to the inside of the rotating shaft 51. A threaded rod 52 is fixedly installed on the left side of the rotating shaft 51, and a movable block 53 is threadedly connected to the surface of the threaded rod 52, and the movable block 53 is slidably connected to the inside of the testing machine 1. A cleaning rod 54 is hinged on the left side of the movable block 53, and a cleaning block 55 is hinged on the left side of the cleaning rod 54, and the cleaning block 55 is slidably connected to the inner wall of the testing machine 1. A rotating shaft 56 is rotatably connected to the inside of the testing machine 1, and the surface of the rotating shaft 56 is connected to the surface of the threaded rod 52 through a belt drive. A sliding rod 57 is slidably connected to the inside of the rotating shaft 56, and a telescopic plate 58 is fixedly installed on the top of the sliding rod 57, and the telescopic plate 58 is fixedly installed in the inside of the testing machine 1. When the cleaning rod 54 slides, it will resist the cleaning block 55 on the surface of the heat dissipation net 7 upward. When the rotating shaft 56 rotates, the arc groove 560 on the surface of the rotating shaft 56 can be used to drive the sliding rod 57 to slide to the left. When the sliding rod 57 slides, the telescopic plate 58 fixed on the top can be pulled to extend to the left, thereby knocking on the surface of the heat dissipation net 7, thereby increasing the cleaning effect, increasing the service life of internal parts, and reducing maintenance costs. The cross-section of the slide plate 64 is T-shaped, which can improve the connection effect of the slide plate 64. A groove 550 is provided on the top of the cleaning block 55 to collect dust that falls inside the cleaning test machine 1. An arc groove 560 is provided on the surface of the rotating shaft 56, and the rotation of the rotating shaft 56 can be used to drive the sliding rod 57 to slide. A heat dissipation net 7 is fixedly installed on the outside of the test machine 1 to enhance the heat dissipation inside the test machine 1.

[0027] When the test machine 1 is measuring and calibrating the oscilloscope probe, the oscilloscope probe can be inserted into the surface of the test machine 1 to monitor and calibrate the data. When the test machine 1 is used for a long time, when a large amount of dust in the air adheres to the surface of the heat dissipation net 7 and causes blockage, the heat dissipation fan 4 can be driven to rotate by starting the motor 3. When the heat dissipation fan 4 rotates, the reciprocating screw rod 63 is driven to rotate. When the reciprocating screw rod 63 rotates, the telescopic rod 62 is driven to rotate. When the reciprocating screw rod 63 rotates, the slide plate 64 is also driven to slide to the left. When the slide plate 64 slides to the left, the connecting plate 65 is driven to slide to the left. When the connecting plate 65 When sliding, the ring 66 will be driven to contact the fixed ring 67 on the surface of the telescopic rod 62, and the telescopic rod 62 will be driven to extend to the left. When the telescopic rod 62 rotates, the cam 68 will be driven to rotate. When the cam 68 rotates, the movable rod 69 will be driven to rotate. When the movable rod 69 rotates, the movable plate 610 will be driven to swing up and down. When the telescopic rod 62 extends to the left, the sliding plate 611 will be driven to slide on the top of the fixed plate 61, so that the movable plate 610 is mobilized to swing and move left and right under the action of the reciprocating screw 63, thereby enhancing the internal air flow of the test machine 1 and improving the heat dissipation effect inside the test machine 1.

[0028] When the telescopic rod 62 rotates, it will also drive the rotation of the rotating shaft 51. When the rotating shaft 51 rotates, it will drive the rotation of the threaded rod 52. When the threaded rod 52 rotates, it will drive the movable block 53 to slide to the left. When the movable block 53 slides to the left, it will drive the cleaning rod 54 to slide to the left. When the cleaning rod 54 slides, it will resist the cleaning block 55 and slide upward on the surface of the heat dissipation net 7, thereby cleaning the surface of the heat dissipation net 7. When the threaded rod 52 rotates, it will also drive the rotation of the rotating shaft 56 through the belt. When the rotating shaft 56 rotates, it will drive the sliding rod 57 to slide to the left through the arc groove 560 provided on the surface of the rotating shaft 56. When the sliding rod 57 slides, it will pull the telescopic plate 58 fixed on the top to extend to the left, thereby knocking the surface of the heat dissipation net 7, thereby increasing the cleaning effect, increasing the service life of internal parts, and reducing maintenance costs.

[0029] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A testing device for an oscilloscope probe, comprising a testing machine (1), characterized in that: The testing machine (1) has an electrical component (2) fixedly installed inside, a motor (3) fixedly installed on the inner wall of the testing machine (1), a cooling fan (4) fixedly installed on the output shaft surface of the motor (3), a cleaning component (5) and a movable component (6) arranged inside the testing machine (1), and the movable component (6) comprises: A fixed plate (61), the fixed plate (61) is fixedly mounted inside the testing machine (1), a telescopic rod (62) is slidably connected inside the fixed plate (61), a reciprocating screw rod (63) is fixedly mounted on the right side of the telescopic rod (62), and the reciprocating screw rod (63) is fixedly mounted on the surface of the output shaft of the motor (3); A slide plate (64), wherein the slide plate (64) is threadedly connected to the surface of the reciprocating screw rod (63), the slide plate (64) is slidably connected to the inside of the slide plate (64), a connecting plate (65) is fixedly installed on the top of the slide plate (64), a collar (66) is fixedly installed on the top of the connecting plate (65), the collar (66) is sleeved on the surface of the telescopic rod (62), the telescopic rod (62) is rotatably connected to the inside of the collar (66), and a fixing ring (67) is fixedly installed on the surface of the telescopic rod (62); A cam (68) is fixedly mounted on the surface of the telescopic rod (62); a movable rod (69) is hingedly connected to the surface of the cam (68); a movable plate (610) is hingedly connected to the inner side of the movable rod (69); a sliding plate (611) is hingedly connected to the surface of the movable plate (610); and the sliding plate (611) is slidably connected to the top of the fixed plate (61).

2. The testing device for an oscilloscope probe according to claim 1, characterized in that: The cleaning assembly (5) comprises: a rotating shaft (51), the rotating shaft (51) is rotatably connected to the inside of the testing machine (1), the rotating shaft (51) is arranged on the surface of a telescopic rod (62), the telescopic rod (62) is slidably connected to the inside of the rotating shaft (51), a threaded rod (52) is fixedly installed on the left side of the rotating shaft (51), a movable block (53) is threadedly connected to the surface of the threaded rod (52), the movable block (53) is slidably connected to the inside of the testing machine (1), a cleaning rod (54) is hinged on the left side of the movable block (53), a cleaning block (55) is hinged on the left side of the cleaning rod (54), and the cleaning block (55) is slidably connected to the inner wall of the testing machine (1).

3. The testing device for an oscilloscope probe according to claim 1, characterized in that: The testing machine (1) is internally connected to a rotating shaft (56) for rotation, the surface of the rotating shaft (56) is connected to the surface of the threaded rod (52) via a belt drive, the rotating shaft (56) is internally connected to a sliding rod (57) for sliding movement, a telescopic plate (58) is fixedly mounted on the top of the sliding rod (57), and the telescopic plate (58) is fixedly mounted inside the testing machine (1).

4. The testing device for an oscilloscope probe according to claim 1, characterized in that: The slide plate (64) has a T-shaped cross section.

5. The testing device for an oscilloscope probe according to claim 2, characterized in that: The top of the cleaning block (55) is provided with a groove (550).

6. The testing device for an oscilloscope probe according to claim 3, characterized in that: An arc-shaped groove (560) is formed on the surface of the rotating shaft (56).

7. The testing device for an oscilloscope probe according to claim 1, characterized in that: A heat dissipation net (7) is fixedly installed on the outside of the testing machine (1).

Images