Electric quantity sensor calibration device

Abstract

The utility model discloses an electric quantity sensor calibration device, which belongs to the technical field of electric quantity sensors and comprises a detection workbench, a butt joint assembly comprises a fixed block fixedly connected to the top end of the detection workbench, one end of the fixed block is fixedly connected with a first electric telescopic rod, and one end of the first electric telescopic rod is fixedly connected with a movable plate. One end of the moving plate is provided with first signal input wires which penetrate through the moving plate and are oppositely arranged. The display terminal, the control end, the screening assembly and the feeding assembly are arranged, an input electric signal is input to the display terminal through the electric quantity sensor through the butt joint assembly, and when two numerical values are different, the control end controls the screening assembly to screen the electric quantity sensor; the electric quantity sensor does not need to be placed by a worker and taken away after calibration detection is completed, the calibration detection efficiency of the electric quantity sensor is improved while time and labor are saved, and meanwhile the factory leaving efficiency of the electric quantity sensor of a factory is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric quantity sensors, in particular to an electric quantity sensor calibration device. Background Art

[0002] An electrical quantity sensor is a detection device that can sense the information of the measured electrical quantity and convert the sensed information into electrical signals or other required forms of information output according to certain rules to meet the requirements of information transmission, processing, storage, display, recording and control.

[0003] After the power sensor is produced, it needs to be calibrated. Generally, the staff will place the power sensor at a specified position, and then use a wire to contact the contacts of the signal acquisition end on the power sensor to detect whether the input electrical signal is consistent with the electrical signal output by the power sensor, so as to achieve the purpose of calibrating and testing the power sensor. Since a large number of power sensors are produced in the factory, a large number of power sensors need to be calibrated by the staff. If the staff place and calibrate the power sensors one by one, not only the calibration and detection efficiency is low but also the workload of the detection personnel is increased. Therefore, a power sensor calibration device is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problems in the above-mentioned technology and proposes a calibration device for an electric quantity sensor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A calibration device for an electrical quantity sensor comprises a detection workbench, the top of which is fixedly connected with a docking assembly, the docking assembly comprising a fixed block fixedly connected to the top of the detection workbench, one end of the fixed block is fixedly connected with a first electric telescopic rod, one end of the first electric telescopic rod is fixedly connected with a movable plate, one end of the movable plate is provided with a first signal input wire that passes through the movable plate and is relatively arranged, the top of the detection workbench is fixedly connected with a signal input end, one end of the first signal input wire is fixedly connected to the signal input end, the top of the detection workbench is fixedly connected with a supporting block relatively arranged, the top of the support block is fixedly connected with an arc-shaped supporting plate, one end of the first signal input wire rests on the inner surface of the arc-shaped supporting plate, and a loading assembly is provided at the top of the detection workbench.

[0007] Preferably, the top of the detection workbench is fixedly connected to a box body, a screening assembly is arranged in the box body, and the screening assembly includes a connecting shaft fixedly connected to the inner wall of the box body and arranged opposite to each other.

[0008] Preferably, the surface of the connecting shaft is rotatably connected to an electric push rod, a screen plate is provided at the top of the box body, a slide groove is provided at the bottom end of the screen plate, a slider which is relatively arranged and rotatably connected to the electric push rod is slidably connected in the slide groove, and an output contact is provided above the screen plate.

[0009] Preferably, a display terminal is fixedly connected to the top of the detection workbench, a connecting wire is fixedly connected between the screening plate and the display terminal, and a first collection box and a second collection box are placed on both sides of the box body at the top of the detection workbench.

[0010] Preferably, the loading assembly includes a support column fixedly connected to the top of the detection workbench and arranged relatively to each other, the top of the support column is fixedly connected to an L-shaped plate, one end of the L-shaped plate is fixedly connected to a limiting plate, one end of the L-shaped plate is fixedly connected to a second electric telescopic rod, and one end of the second electric telescopic rod is fixedly connected to a pushing plate.

[0011] Preferably, a fixing rod is fixedly connected to the top of the detection workbench, and a U-shaped inclined plate fixedly connected to one end of the L-shaped plate is fixedly connected to the top of the fixing rod.

[0012] Preferably, a control end is fixedly connected to the top of the detection workbench, a second signal input wire is fixedly connected between the signal input end and the control end, and a signal output wire is fixedly connected between the display terminal and the control end.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a display terminal, a control terminal, a screening component and a feeding component, and the input electrical signal is input to the display terminal through the power sensor through the docking component. When two values ​​are different, the control terminal controls the screening component to screen the power sensor, and there is no need for staff to place the power sensor and remove it after calibration and detection. It saves time and labor while improving the calibration and detection efficiency of the power sensor, and at the same time improves the factory delivery efficiency of the power sensor of the factory. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the three-dimensional structure of a power sensor calibration device proposed in the utility model Figure 1 .

[0016] Figure 2 A schematic diagram of the three-dimensional structure of a power sensor calibration device proposed in the utility model Figure 2 .

[0017] Figure 3 The present invention is a schematic diagram of a partial three-dimensional structure of a device for calibrating a power sensor proposed by the present invention.

[0018] Figure 4 The utility model discloses a schematic diagram of the structure of a feeding assembly in a calibration device for an electrical quantity sensor.

[0019] Figure 5 The utility model is a cross-sectional view of a box in a calibration device for an electrical quantity sensor.

[0020] In the figure: 1. detection workbench; 2. signal input terminal; 201. second signal input wire; 3. first signal input wire; 4. fixed block; 5. first electric telescopic rod; 6. movable plate; 7. arc-shaped support plate; 701. support block; 8. first collecting box; 9. U-shaped inclined plate; 901. fixed rod; 10. limit plate; 11. display terminal; 1101. signal output wire; 12. control terminal; 13. second collecting box; 14. L-shaped plate; 1401. second electric telescopic rod; 1402. push plate; 1403. support column; 15. screening plate; 1501. connecting wire; 16. box body; 1601. connecting shaft; 1602. electric push rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-5 , a calibration device for an electric quantity sensor, comprising a detection workbench 1, a docking assembly is fixedly connected to the top of the detection workbench 1, the docking assembly comprises a fixed block 4 fixedly connected to the top of the detection workbench 1, one end of the fixed block 4 is fixedly connected to a first electric telescopic rod 5 (the first electric telescopic rod 5 drives a moving plate 6 and a first signal input wire 3 to move, and makes contact with a contact point of a signal acquisition end on the electric quantity sensor), one end of the first electric telescopic rod 5 is fixedly connected to a moving plate 6, one end of the moving plate 6 is provided with a first signal input wire 3 that penetrates the moving plate 6 and is relatively arranged, the top of the detection workbench 1 is fixedly connected to a signal input terminal 2, one end of the first signal input wire 3 is fixedly connected to the signal input terminal 2, the top of the detection workbench 1 is fixedly connected to a supporting block 701 that is relatively arranged, the top of the supporting block 701 is fixedly connected to an arc-shaped supporting plate 7 (the arc-shaped supporting plate 7 plays a supporting and guiding role for the first signal input wire 3), and one end of the first signal input wire 3 is placed on the inner surface of the arc-shaped supporting plate 7;

[0023] The top of the detection workbench 1 is fixedly connected to a box body 16, and a screening component is arranged in the box body 16 (the screening component screens qualified and unqualified electrical quantity sensors), and the screening component includes a connecting shaft 1601 fixedly connected to the inner wall of the box body 16 and arranged relatively, and the surface of the connecting shaft 1601 is rotatably connected to an electric push rod 1602 (the two electric push rods 1602 can make the screening plate 15 flip in different directions to achieve the screening of qualified and unqualified electrical quantity sensors), and a screening plate 15 is arranged on the top of the box body 16, and a slide groove is provided at the bottom end of the screening plate 15, and a slider that is relatively arranged and rotatably connected to the electric push rod 1602 is slidably connected in the slide groove, and an output contact is arranged above the screening plate 15 (the signal output end on the electrical quantity sensor contacts the output contact, so that the electrical signal detected by the electrical quantity sensor is transmitted to the display terminal 11).

[0024] Furthermore, a display terminal 11 is fixedly connected to the top of the detection workbench 1, a connecting wire 1501 is fixedly connected between the screening plate 15 and the display terminal 11, and a first collection box 8 (the first collection box 8 is used to collect qualified electrical quantity sensors) and a second collection box 13 (the second collection box 13 is used to collect unqualified electrical quantity sensors) are placed on both sides of the box body 16 at the top of the detection workbench 1.

[0025] It should be noted that: a loading assembly is provided at the top of the detection workbench 1, and the loading assembly includes a support column 1403 fixedly connected to the top of the detection workbench 1 and arranged relatively, the top of the support column 1403 is fixedly connected to an L-shaped plate 14, one end of the L-shaped plate 14 is fixedly connected to a limiting plate 10, one end of the L-shaped plate 14 is fixedly connected to a second electric telescopic rod 1401, one end of the second electric telescopic rod 1401 is fixedly connected to a pushing plate 1402, the top of the detection workbench 1 is fixedly connected to a fixing rod 901, and the top of the fixing rod 901 is fixedly connected to a U-shaped inclined plate 9 fixedly connected to one end of the L-shaped plate 14 (the second electric telescopic rod 1401 drives the pushing plate 1402 to push the electrical quantity sensor moved from the U-shaped inclined plate 9 to the L-shaped plate 14).

[0026] It is worth noting that: the top of the detection workbench 1 is fixedly connected to the control terminal 12 (the control terminal 12 controls the start and stop of the two electric push rods 1602), the second signal input wire 201 is fixedly connected between the signal input terminal 2 and the control terminal 12, and the signal output wire 1101 is fixedly connected between the display terminal 11 and the control terminal 12.

[0027] A further benefit of adopting the above is that the above device does not require staff to place the power sensor and remove it after calibration and testing. It saves time and effort while improving the calibration and testing efficiency of the power sensor and the factory delivery efficiency of the power sensor.

[0028] When the utility model is used: when it is necessary to calibrate and detect more power sensors, the staff will place the power sensors on the U-shaped inclined plate 9, and make the lowest power sensor on the L-shaped plate 14, and then the staff will start the first electric telescopic rod 5 and the second electric telescopic rod 1401, the second electric telescopic rod 1401 will push the power sensor on the L-shaped plate 14 onto the screening plate 15, and make the signal output end on the power sensor contact with the output contact, at this time, the first electric telescopic rod 5 drives the two first signal input wires 3 to move, and contact with the contact of the signal collection end on the power sensor;

[0029] Then the staff transmits the electric signal to the electric quantity sensor through the signal input terminal 2 and the first signal input wire 3 (the signal input terminal 2 transmits the electric signal to the control terminal 12 through the second signal input wire 201), and the electric quantity sensor transmits the collected electric signal to the display terminal 11 through the output contact and the connecting wire 1501 for display (the display terminal 11 transmits the collected electric signal to the control terminal 12 through the signal output wire 1101);

[0030] When the controller detects that the value displayed by the display terminal 11 is the same as the value output by the signal input terminal 2 (the same value indicates that the calibrated and tested power sensor is qualified), the controller controls one of the electric push rods 1602 to move and tilt the screen plate 15, so that the power sensor on the screen plate 15 slides into the first collection box 8. When the controller detects that the values ​​are different (the values ​​are different, the power sensor is unqualified), the controller controls the other electric push rod 1602 to move, so that the screen plate 15 tilts, so that the power sensor on the screen plate 15 slides into the second collection box 13. The above device does not require staff to place the power sensor and remove it after the calibration test is completed. It saves time and effort while improving the calibration and testing efficiency of the power sensor, and at the same time improves the factory delivery efficiency of the power sensor.

[0031] 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 technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A device for calibrating an electric quantity sensor, comprising a detection workbench (1), characterized in that: The top of the detection workbench (1) is fixedly connected to a docking assembly, and the docking assembly includes a fixed block (4) fixedly connected to the top of the detection workbench (1), one end of the fixed block (4) is fixedly connected to a first electric telescopic rod (5), one end of the first electric telescopic rod (5) is fixedly connected to a moving plate (6), one end of the moving plate (6) is provided with a first signal input wire (3) that penetrates the moving plate (6) and is arranged opposite to each other, the top of the detection workbench (1) is fixedly connected to a signal input terminal (2), one end of the first signal input wire (3) is fixedly connected to the signal input terminal (2), the top of the detection workbench (1) is fixedly connected to a supporting block (701) that is arranged opposite to each other, the top of the supporting block (701) is fixedly connected to an arc-shaped supporting plate (7), one end of the first signal input wire (3) rests on the inner surface of the arc-shaped supporting plate (7), and a loading assembly is provided at the top of the detection workbench (1).

2. A power sensor calibration device according to claim 1, characterized in that: The top of the detection workbench (1) is fixedly connected to a box (16), and a screening component is arranged inside the box (16). The screening component includes a connecting shaft (1601) fixedly connected to the inner wall of the box (16) and arranged opposite to each other.

3. A power sensor calibration device according to claim 2, characterized in that: The surface of the connecting shaft (1601) is rotatably connected to an electric push rod (1602); a screening plate (15) is provided at the top of the box body (16); a slide groove is provided at the bottom of the screening plate (15); a slider which is relatively arranged and rotatably connected to the electric push rod (1602) is slidably connected in the slide groove; an output contact is provided above the screening plate (15).

4. A device for calibrating a power sensor according to claim 3, characterized in that: The top of the detection workbench (1) is fixedly connected to a display terminal (11), a connecting wire (1501) is fixedly connected between the screening plate (15) and the display terminal (11), and a first collection box (8) and a second collection box (13) are placed on both sides of the box body (16) at the top of the detection workbench (1).

5. The electrical quantity sensor calibration device according to claim 1, characterized in that: The loading assembly comprises a support column (1403) fixedly connected to the top of the detection workbench (1) and arranged opposite to each other, the top of the support column (1403) is fixedly connected to an L-shaped plate (14), one end of the L-shaped plate (14) is fixedly connected to a limiting plate (10), one end of the L-shaped plate (14) is fixedly connected to a second electric telescopic rod (1401), and one end of the second electric telescopic rod (1401) is fixedly connected to a pushing plate (1402).

6. A device for calibrating a power sensor according to claim 5, characterized in that: The top end of the detection workbench (1) is fixedly connected to a fixing rod (901), and the top end of the fixing rod (901) is fixedly connected to a U-shaped inclined plate (9) fixedly connected to one end of the L-shaped plate (14).

7. The electrical quantity sensor calibration device according to claim 4, characterized in that: The top of the detection workbench (1) is fixedly connected to a control end (12), a second signal input wire (201) is fixedly connected between the signal input end (2) and the control end (12), and a signal output wire (1101) is fixedly connected between the display terminal (11) and the control end (12).

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