Portable tension and pressure sensor calibration device

Abstract

The utility model discloses a portable tension and pressure sensor calibration device, which comprises a base, two ends of the upper surface of the base are fixedly connected with supporting plates, opposite surfaces of the two supporting plates are fixedly connected with a limiting rod and a limiting pipe, and the outer surface of the limiting pipe is movably sleeved with a spring. The outer surface of the limiting rod is slidably connected with a first sliding plate and a second sliding plate, and the top of the supporting plate is fixedly connected with a first clamp. According to the utility model, the first sliding plate and the second sliding plate which can slide are arranged, so that the tension sensor and the pressure sensor can be simultaneously detected and calibrated, the calibration time and workload can be reduced, the calibration efficiency is improved, and the detection accuracy is improved during simultaneous detection. The accuracy of the standard tension sensor and the standard pressure sensor can be determined, so that the standard tension sensor and the standard pressure sensor can be ensured to serve as reference during calibration, the accuracy is enhanced, and the device is simple in structure, small in size and convenient to carry.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor calibration, in particular to a portable tension and pressure sensor calibration device. Background Art

[0002] A tension and pressure sensor is a sensor that can measure tension (pulling force) and pressure (compression force). It can measure the magnitude of the force applied to an object according to the direction of the force. It is often used in mechanical testing and control in engineering, machinery, automobiles, aerospace and other fields.

[0003] After searching, the patent number is CN215865637U, and the specific name is a portable tension and pressure sensor calibration device, which includes a base, the top outer wall of the base is fixedly connected with symmetrically distributed fixing rods, the top outer walls of the two fixing rods are commonly fixedly connected with a cross plate, the bottom outer wall of the cross plate is provided with a mounting groove, the inner walls on both sides of the mounting groove are commonly connected with a screw rod through a bearing, one end of the screw rod is fixedly connected with a turntable, the screw rod has opposite thread directions from the middle to both ends, the outer wall of the screw rod is connected with symmetrically distributed moving blocks through threads, the inner walls on both sides of the mounting groove are fixedly connected with symmetrically distributed guide rods that penetrate the moving blocks, and the bottom outer wall of the moving block is fixedly connected with a fixing plate;

[0004] The calibration device in this patent can only detect and calibrate the pressure or tension sensor individually, and cannot be performed simultaneously, so the time cost of calibration will increase. In particular, the efficiency will be affected when multiple sensors need to be calibrated frequently. In addition, there is only one standard sensor device in this patent, and it can be ensured that it always maintains a standard state during long-term calibration work. Therefore, it will affect the accurate calibration of the sensor being tested and is not very practical. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a portable tension and pressure sensor calibration device, which solves the problem that the prior calibration device can only detect and calibrate the pressure or tension sensor individually and cannot be performed simultaneously, which increases the time cost of calibration, and there is only one standard sensor device as a reference. During long-term calibration work, it is impossible to ensure that it always maintains a standard state, which affects the accurate calibration of the sensor being tested and is not very practical.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a portable tension and pressure sensor calibration device, including a base, support plates are fixedly connected to the two ends of the upper surface of the base, and the opposite surfaces of the two support plates are fixedly connected to a limit rod and a limit tube, the outer surface of the limit tube is movably sleeved with a spring, the outer surface of the limit rod is slidably connected to a first slide plate and a second slide plate, the top of the support plate is fixedly connected to a first clamp, the top of the second slide plate is fixedly connected to a second clamp, the top of the first slide plate is fixedly connected to a third clamp, a standard pressure sensor is fixedly installed inside the first slide plate, a standard tension sensor is fixedly installed inside the first clamp, and a pressure display and a tension display are fixedly installed on the surface of the base.

[0007] Preferably, an elastic band is fixedly connected to the surface of the standard tension sensor, the surface of the spring abuts against the surface of the first slide plate, the standard pressure sensor is electrically connected to the pressure display, and the standard tension sensor is electrically connected to the tension display.

[0008] Preferably, the inner sealing sliding connection of the limiting tube is provided with a sealing plate, the surface of the sealing plate is fixedly connected with a connecting rod, the surface of the connecting rod is fixedly connected with a resist rod, the surface of the limiting tube is provided with a limiting groove, the surface of the resist rod is against the surface of the second slide plate, a battery is fixedly installed inside the base, a switch is fixedly installed on the surface of the base, a sealing groove is provided inside the base, a connecting pipe is fixedly connected to the outer surface of the base, a sealing block is sealingly and slidingly connected to the inner sealing groove of the base, a motor is fixedly installed inside the base, a threaded rod is fixedly connected to the output end of the motor, the outer surface of the threaded rod is threadedly rotatably connected to the inner center of the sealing block, and the interior of the sealing groove is connected to the interior of the limiting tube through a connecting pipe.

[0009] Preferably, the motor is electrically connected to the battery via a switch, a limiting rod is inserted into the interior of the sealing block, and one end of the limiting rod away from the connecting pipe is fixedly connected to the inner wall of the sealing groove.

[0010] Preferably, a sealing ring is fixedly mounted on the outer surface of the sealing block, and a threaded hole matching the threaded rod is opened at the inner center of the sealing block.

[0011] Preferably, a tension sensor to be detected and a pressure sensor to be detected are fixedly mounted on both sides of the interior of the second clamp, and one end of the elastic band away from the tension display is fixedly connected to the surface of the tension sensor to be detected. Beneficial Effects

[0012] The utility model provides a portable tension and pressure sensor calibration device. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The portable tension and pressure sensor calibration device can simultaneously detect and calibrate the tension sensor and the pressure sensor by setting a slidable first slide plate and a second slide plate, which can reduce the calibration time and workload, improve the calibration efficiency, and during the simultaneous detection, the accuracy of the standard tension sensor and the standard pressure sensor can be determined to ensure that the standard tension sensor and the standard pressure sensor can be used as a reference during calibration, thereby enhancing the accuracy.

[0014] 2. The portable tension and pressure sensor calibration device can adjust the pressure inside the limit tube by setting an automatically sliding sealing block, so that the push rod can drive the second slide plate to slide automatically, avoiding the disadvantages of traditional manual operation, saving time and effort, improving calibration efficiency, and enhancing practicality. In addition, the structure is simple, the size is small, and it is easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model.

[0016] Figure 2 It is a connection schematic diagram of the limit tube and the stop rod in the utility model.

[0017] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0018] Figure 4 It is a cross-sectional view of the base in the utility model.

[0019] In the figure: 1. base; 101. battery; 102. switch; 103. sealing groove; 104. connecting pipe; 105. sealing block; 106. motor; 107. threaded rod; 108. limit rod; 2. support plate; 3. limit rod; 4. limit tube; 41. sealing plate; 42. connecting rod; 43. push rod; 44. limit groove; 5. spring; 6. first slide plate; 61. standard pressure sensor; 62. pressure display; 7. second slide plate; 8. first clamp; 81. standard tension sensor; 82. tension display; 83. elastic band; 9. second clamp; 10. third clamp. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4The utility model provides a technical solution: a portable tension and pressure sensor calibration device, comprising a base 1, support plates 2 are fixedly connected at both ends of the upper surface of the base 1, limit rods 3 and limit tubes 4 are fixedly connected to the opposite surfaces of the two support plates 2, a spring 5 is movably sleeved on the outer surface of the limit tube 4, a first slide plate 6 and a second slide plate 7 are slidably connected to the outer surface of the limit rod 3, a first clamp 8 is fixedly connected to the top of the support plate 2, a second clamp 9 is fixedly connected to the top of the second slide plate 7, a tension sensor to be detected and a pressure sensor to be detected are fixedly installed on both sides of the interior of the second clamp 9, a third clamp 10 is fixedly connected to the top of the first slide plate 6, a standard pressure sensor 61 is fixedly installed inside the first slide plate 6, a standard tension sensor 81 is fixedly installed inside the first clamp 8, and a pressure display is fixedly installed on the surface of the base 1. 62 and a tension display 82, an elastic band 83 is fixedly connected to the surface of the standard tension sensor 81, the surface of the spring 5 is against the surface of the first slide plate 6, the standard pressure sensor 61 is electrically connected to the pressure display 62, the standard tension sensor 81 is electrically connected to the tension display 82, and one end of the elastic band 83 away from the tension display 82 is fixedly connected to the surface of the tension sensor to be detected. By setting the slidable first slide plate 6 and the second slide plate 7, the tension sensor and the pressure sensor can be simultaneously detected and calibrated, which can reduce the calibration time and workload, improve the calibration efficiency, and during the simultaneous detection, the accuracy of the standard tension sensor 81 and the standard pressure sensor 61 can be determined to ensure that the standard tension sensor 81 and the standard pressure sensor 61 can be used as a reference for calibration, thereby enhancing the accuracy;

[0022] The inner sealing sliding connection of the limiting tube 4 is connected with a sealing plate 41, the surface of the sealing plate 41 is fixedly connected with a connecting rod 42, the surface of the connecting rod 42 is fixedly connected with a resisting rod 43, the surface of the limiting tube 4 is provided with a limiting groove 44, the surface of the resisting rod 43 is against the surface of the second slide plate 7, the inner part of the base 1 is fixedly installed with a battery 101, the surface of the base 1 is fixedly installed with a switch 102, the inner part of the base 1 is provided with a sealing groove 103, the outer surface of the base 1 is fixedly connected with a connecting tube 104, the inner sealing sliding connection of the sealing groove 103 is connected with a sealing block 105, the inner part of the sealing block 105 is plugged with a limiting rod 108, the end of the limiting rod 108 away from the connecting tube 104 is fixedly connected to the inner wall of the sealing groove 103, the inner part of the base 1 is fixedly installed A motor 106 is installed, and the motor 106 is electrically connected to the battery 101 through the switch 102. A threaded rod 107 is fixedly connected to the output end of the motor 106. A sealing ring is fixedly installed on the outer surface of the sealing block 105. A threaded hole matching the threaded rod 107 is opened at the inner center of the sealing block 105. The outer surface of the threaded rod 107 is threadedly rotatably connected to the inner center of the sealing block 105. The interior of the sealing groove 103 is connected to the interior of the limiting tube 4 through the connecting pipe 104. By providing an automatically slidable sealing block 105, the pressure inside the limiting tube 4 can be adjusted, so that the push rod 43 can drive the second slide plate 7 to slide automatically, thereby avoiding the disadvantages of traditional manual operation, saving time and effort, improving calibration efficiency, and enhancing practicality.

[0023] When in use, the tension sensor to be detected is fixed on the surface of the second clamp 9 close to the standard tension sensor 81, and then the pressure sensor to be detected is fixed on the surface of the second clamp 9 close to the standard pressure sensor 61, and then the threaded rod 107 is driven to rotate by starting the motor 106, and the sealing block 105 is driven to slide in the direction close to the connecting pipe 104 through the engagement of the threaded rod 107 and the sealing block 105. At this time, the inside of the sealing groove 103 is in a strong pressure state, and the inside of the limiting tube 4 is also in a strong pressure state through the connecting pipe 104. At this time, the sealing plate 41 drives the second slide plate 7 to slide in the direction away from the first clamp 8 through the connecting rod 42 and the abutment rod 43. At this time, the values ​​of the standard tension sensor 81 and the tension sensor to be detected are displayed through the tension display 82. When the second slide plate 7 slides, the surface of the pressure sensor to be detected will be connected to the surface of the standard pressure sensor 61. At this time, the two pressure sensors The value of the sensor is displayed by the pressure display 62. Finally, it is observed whether the values ​​of the tension display 82 connected to the standard tension sensor 81 and the pressure display 62 connected to the standard pressure sensor 61 are consistent. If they are inconsistent, it means that the standard tension sensor 81 and the standard pressure sensor 61 need to replace standard parts. If they are consistent, the values ​​of the two tension displays 82 and the two pressure displays 62 can be directly observed to complete the calibration of the sensor. By setting the sliding first slide 6 and the second slide 7, the tension sensor and the pressure sensor can be simultaneously tested and calibrated, which can reduce the calibration time and workload, improve the calibration efficiency, and during the simultaneous detection, the accuracy of the standard tension sensor 81 and the standard pressure sensor 61 can be determined to ensure that the standard tension sensor 81 and the standard pressure sensor 61 can be used as a reference during calibration, thereby enhancing the accuracy.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A portable tension and pressure sensor calibration device, comprising a base (1), characterized in that: Support plates (2) are fixedly connected to both ends of the upper surface of the base (1); a limit rod (3) and a limit tube (4) are fixedly connected to opposite surfaces of the two support plates (2); a spring (5) is movably sleeved on the outer surface of the limit tube (4); a first slide plate (6) and a second slide plate (7) are slidably connected to the outer surface of the limit rod (3); a first clamp (8) is fixedly connected to the top of the support plate (2); a second clamp (9) is fixedly connected to the top of the second slide plate (7); a third clamp (10) is fixedly connected to the top of the first slide plate (6); a standard pressure sensor (61) is fixedly installed inside the first slide plate (6); a standard tension sensor (81) is fixedly installed inside the first clamp (8); and a pressure display (62) and a tension display (82) are fixedly installed on the surface of the base (1).

2. A portable tension and pressure sensor calibration device according to claim 1, characterized in that: An elastic band (83) is fixedly connected to the surface of the standard tension sensor (81), the surface of the spring (5) abuts against the surface of the first slide plate (6), the standard pressure sensor (61) is electrically connected to the pressure display (62), and the standard tension sensor (81) is electrically connected to the tension display (82).

3. A portable tension and pressure sensor calibration device according to claim 1, characterized in that: The interior of the limiting tube (4) is sealingly and slidably connected to a sealing plate (41); the surface of the sealing plate (41) is fixedly connected to a connecting rod (42); the surface of the connecting rod (42) is fixedly connected to a supporting rod (43); the surface of the limiting tube (4) is provided with a limiting groove (44); the surface of the supporting rod (43) abuts against the surface of the second slide plate (7); a battery (101) is fixedly mounted inside the base (1); a switch (102) is fixedly mounted on the surface of the base (1); and a sealing groove (44) is provided inside the base (1). A connecting pipe (104) is fixedly connected to the outer surface of the base (1), a sealing block (105) is sealingly and slidably connected to the interior of the sealing groove (103), a motor (106) is fixedly installed inside the base (1), a threaded rod (107) is fixedly connected to the output end of the motor (106), the outer surface of the threaded rod (107) is threadedly connected to the inner center of the sealing block (105), and the interior of the sealing groove (103) is connected to the interior of the limiting tube (4) through the connecting pipe (104).

4. A portable tension and pressure sensor calibration device according to claim 3, characterized in that: The motor (106) is electrically connected to the battery (101) via the switch (102); a limit rod (108) is inserted into the interior of the sealing block (105); and one end of the limit rod (108) away from the connecting pipe (104) is fixedly connected to the inner wall of the sealing groove (103).

5. A portable tension and pressure sensor calibration device according to claim 3, characterized in that: A sealing ring is fixedly mounted on the outer surface of the sealing block (105), and a threaded hole matching the threaded rod (107) is provided at the inner center of the sealing block (105).

6. A portable tension and pressure sensor calibration device according to claim 2, characterized in that: A tension sensor to be detected and a pressure sensor to be detected are fixedly mounted on both sides of the interior of the second clamp (9), respectively, and one end of the elastic band (83) away from the tension display (82) is fixedly connected to the surface of the tension sensor to be detected.

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