CN215985002U

CN215985002U - Pressure sensor detection mechanism

Info

Publication number: CN215985002U
Application number: CN202122398935.8U
Authority: CN
Inventors: 闫博; 卫翔; 张莎
Original assignee: Henan Hanliang Calibration Testing Co ltd
Current assignee: Henan Hanliang Calibration Testing Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-08
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of pressure sensors, in particular to a pressure sensor detection mechanism. Pressure sensor detection mechanism includes workstation, determine module, actuating mechanism and fixture, workstation upper surface middle part has been seted up and has been led to the groove, and the workstation is located the top that leads to the groove and installs the support frame, sliding connection has the backup pad in the support frame for detect the sensor determine module installs in the backup pad, and determine module includes mounting bracket, a protection section of thick bamboo, spring, connecting plate, calibration sensor, indicator lever and scale, is used for driving the backup pad removal actuating mechanism installs on the support frame for the fixed pressure sensor that waits of centre gripping is installed in leading to the inslot. The pressure sensor detection mechanism provided by the utility model has the advantages of convenience in use, simplicity in operation and precision in detection.

Description

Pressure sensor detection mechanism

Technical Field

The utility model relates to the technical field of pressure sensors, in particular to a pressure sensor detection mechanism.

Background

The pressure sensor can sense pressure signals and can convert the pressure signals into usable electric signals according to a certain rule, and the pressure sensor is the most common sensor in industrial practice, is widely applied to various industrial automatic control environments, relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like, and simply introduces the principles and application of some common sensors.

When the pressure sensor is manufactured, precision detection is needed when the pressure sensor leaves a factory, the precision of the pressure sensor leaving the factory is guaranteed to be qualified, the existing sensor detects that the quantitative blocks with different weights are placed on the sensor in sequence, comparison and judgment are carried out on the quality of the pressure sensor and the numerical value of the pressure sensor, the operation detection needs to place the quantitative blocks for multiple times, the operation is complex, the judgment precision depends on the quality precision of the quantitative blocks, and when the quantitative blocks are damaged, the detection precision is easy to reduce.

Therefore, it is necessary to provide a new pressure sensor detection mechanism to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the pressure sensor detection mechanism which is convenient to use, simple to operate and high in detection precision.

The utility model provides a pressure sensor detection mechanism, comprising: the detection device comprises a workbench, a detection assembly, a driving mechanism and a clamping mechanism, wherein a through groove is formed in the middle of the upper surface of the workbench, a support frame is installed above the through groove on the workbench, a support plate is connected in the support frame in a sliding manner, the detection assembly for detecting a sensor is installed on the support plate, the detection assembly comprises an installation frame, a protection barrel, a spring, a connecting plate, a calibration sensor, an indication rod and a scale, the installation frame is fixedly installed on the support plate, the protection barrel is arranged below the installation frame, the protection barrel is fixedly installed on the support plate, one end of the spring penetrates through the protection barrel to be fixedly connected with the installation frame, the other end of the spring penetrates through the protection barrel to be fixedly connected with the connecting plate, the calibration sensor is fixedly connected at the bottom end of the connecting plate, the indication rod is fixedly connected in the spring at the top end of the connecting plate, one end of the indication rod upwards penetrates through a through hole formed in the installation frame to install an indication needle, the upper surface of the mounting frame is provided with a scale on one side of the pointer, the driving mechanism for driving the supporting plate to move is arranged on the supporting frame, and the clamping mechanism for clamping and fixing the pressure sensor to be detected is arranged in the through groove.

Preferably, actuating mechanism includes lead screw, first gear, driving motor, pivot and second gear, two the lead screw rotates to be installed on the support frame and with backup pad threaded connection, and two lead screw one ends upwards pass the first gear of the equal fixedly connected with of support frame, driving motor fixed mounting is on the top of support frame, the pivot rotates to be installed on the top of support frame and be located directly over first gear, and pivot and driving motor's output shaft fixed connection, two the second gear cover is established in the pivot, and two second gears and two first gear meshes one by one.

Preferably, the driving mechanism further comprises two guide rods, one ends of the two guide rods are fixedly connected with the support plate, and the other ends of the two guide rods are inserted into a through hole formed in the top of the support frame.

Preferably, two all install the spacing ring on the guide bar, two the upper surface of spacing ring flushes with the upper surface of scale.

Preferably, fixture includes mount pad, two-way threaded rod, splint and knob, mount pad fixed mounting has seted up the mounting groove in leading to the inslot, two-way threaded rod rotates to be installed in the mounting groove, and two-way threaded rod one end fixedly connected with knob, two splint difference threaded mounting is in the both ends of two-way threaded rod.

Preferably, rubber gaskets are stuck to the clamping surfaces of the two clamping plates.

Preferably, the detection assembly further comprises a display control box, the display control box is fixedly mounted on the side wall of the support frame and is communicated with an external power supply through a power line, and the display control box is electrically connected with the driving motor and the calibration sensor.

Compared with the related art, the pressure sensor detection mechanism provided by the utility model has the following beneficial effects:

1. the utility model provides a pressure sensor detection mechanism, which utilizes a driving mechanism to push a support plate to slide so as to drive a mounting rack on the support plate to synchronously move, the mounting rack drives a spring to move, when a calibration sensor at the bottom end of the spring contacts a pressure sensor to be detected, the spring continues to move and extrude, whether the pressure sensor to be detected is qualified can be judged by comparing the pressure value of the calibration sensor with the data of the pressure sensor to be detected during extrusion, the spring force can also be calculated and judged according to the formula of the spring force by utilizing the deformation of the spring, the spring force is equal to the elastic coefficient multiplied by the deformation quantity, and the detection accuracy is improved by further carrying out detection and calibration according to the initial mark of an indicator needle when the calibration sensor does not contact the pressure sensor to be detected and the mark during extrusion;

2. the driving mechanism is more stable when moving through the matching of the lead screw, the first gear, the driving motor, the rotating shaft, the second gear, the guide rod and the limiting ring, certain pressurization detection is convenient to carry out, the clamping mechanism is arranged, and the rapid clamping detection pressure sensor is convenient to carry out through the matching of the mounting seat, the bidirectional threaded rod, the clamping plate and the knob, so that the detection efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of a pressure sensor detecting mechanism according to a preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of the detecting assembly shown in FIG. 1;

FIG. 3 is a partial enlarged view of a shown in FIG. 1;

fig. 4 is a partially enlarged view of b shown in fig. 1.

Reference numbers in the figures: 1. a work table; 101. a through groove; 2. a support frame; 3. a support plate; 4. a detection component; 41. a mounting frame; 42. a protective cylinder; 43. a spring; 44. a connecting plate; 45. calibrating the sensor; 46. an indication lever; 461. an indicator needle; 47. a scale; 48. a display control box; 5. a drive mechanism; 51. a lead screw; 52. a first gear; 53. a drive motor; 54. a rotating shaft; 55. a second gear; 56. a guide bar; 57. a limiting ring; 6. a clamping mechanism; 601. mounting grooves; 61. a mounting seat; 62. a bidirectional threaded rod; 63. a splint; 64. a knob; 7. a rubber gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 4, a pressure sensor detecting mechanism according to an embodiment of the present invention includes: the device comprises a workbench 1, a support frame 2, a support plate 3, a detection assembly 4, a driving mechanism 5 and a clamping mechanism 6.

The middle part of the upper surface of the workbench 1 is provided with a through groove 101, the workbench 1 is provided with a support frame 2 above the through groove 101, the support frame 2 is connected with a support plate 3 in a sliding way, a detection assembly 4 is arranged on the support plate 3, the detection assembly 4 is used for detecting a sensor and comprises a mounting frame 41, a protection barrel 42, a spring 43, a connecting plate 44, a calibration sensor 45, an indication rod 46 and a scale 47, the mounting frame 41 is fixedly arranged on the support plate 3, the lower part of the mounting frame 41 is provided with the protection barrel 42, the protection barrel 42 is fixedly arranged on the support plate 3, one end of the spring 43 passes through the protection barrel 42 and is fixedly connected with the mounting frame 41, the other end of the spring 43 passes through the protection barrel 42 and is fixedly connected with the connecting plate 44, the bottom end of the connecting plate 44 is fixedly connected with the calibration sensor 45, the top end of the connecting plate 44 is positioned in the spring 43 and is fixedly connected with the indication rod 46, one end of the indication rod 46 upwards passes through a through hole arranged on the mounting frame 41 and is provided with an indication needle 461, a scale 47 is attached to the upper surface of the mount 41 on the side of the pointer 461.

It should be noted that: when the detection component 4 is used, the support plate 3 is utilized to slide, the mounting frame 41 on the support plate 3 is driven to synchronously move, the mounting frame 41 drives the spring 43 to move, when the calibration sensor 45 at the bottom end of the spring 43 contacts the pressure sensor to be detected, the extrusion is continuously moved, the pressure value of the calibration sensor 45 and the data of the pressure sensor to be detected can be compared during the extrusion, whether the pressure sensor to be detected is qualified or not is judged, the deformation of the spring 43 can also be utilized according to a formula of the spring force, the spring force is equal to the elastic coefficient multiplied by the deformation quantity, the initial mark when the calibration sensor 45 does not contact the pressure sensor to be detected and the mark during the extrusion are calculated and judged, the detection and calibration are further carried out, and the detection precision is improved.

In an embodiment of the present invention, please refer to fig. 1, a driving mechanism 5 for driving the support plate 3 to move is installed on the support frame 2, the driving mechanism 5 includes a screw 51, a first gear 52, a driving motor 53, a rotating shaft 54 and a second gear 55, the two screw 51 are rotatably installed on the support frame 2 and are in threaded connection with the support plate 3, one end of each of the two screw 51 upwardly penetrates through the support frame 2 and is fixedly connected with the first gear 52, the driving motor 53 is fixedly installed at the top end of the support frame 2, the rotating shaft 54 is rotatably installed at the top end of the support frame 2 and is located right above the first gear 52, the rotating shaft 54 is fixedly connected with an output shaft of the driving motor 53, the two second gears 55 are sleeved on the rotating shaft 54, and the two second gears 55 are meshed with the two first gears 52 one by one.

It should be noted that: when actuating mechanism 5 uses, drive pivot 54 through driving motor 53 and rotate, pivot 54 drives lead screw 51 through second gear 55 and the transmission of first gear 52 meshing and rotates, two lead screws 51 and the vertical removal of 3 threaded connection drive backup pad of backup pad, when driving motor 53 corotation, the vertical downstream of backup pad 3, during the reversal, the vertical rebound of backup pad 3 to realize backup pad 3 and stably slide on support frame 2, drive detecting component 4 and carry out the contact detection.

Wherein, actuating mechanism 5 still includes guide bar 56, two guide bar 56 one end and backup pad 3 fixed connection, and the other end of two guide bar 56 is inserted and is established in the through-hole that the support frame 2 top was seted up, and through the effect of two guide bar 56, it is more stable at backup pad 3 removal in-process like this, can not produce vibration, influence detects.

Wherein, all install spacing ring 57 on two guide bars 56, the upper surface of two spacing rings 57 flushes with the upper surface of scale 47, and like this, when backup pad 3 rose, spacing ring 57 can protect scale 47, placed backup pad 3 and risen and exceed limit height, led to being broken behind scale 47 contact support frame 2.

In the embodiment of the present invention, please refer to fig. 1 and fig. 3, a clamping mechanism 6 for clamping and fixing a pressure sensor to be detected is installed in the through groove 101, the clamping mechanism 6 includes an installation seat 61, a bidirectional threaded rod 62, a clamping plate 63 and a knob 64, the installation seat 61 is fixedly installed in the through groove 101, the installation seat 61 is provided with an installation groove 601, the bidirectional threaded rod 62 is rotatably installed in the installation groove 601, one end of the bidirectional threaded rod 62 is fixedly connected with the knob 64, and the two clamping plates 63 are respectively installed at two ends of the bidirectional threaded rod 62 in a threaded manner;

it should be noted that: when fixture 6 uses, to wait to detect pressure sensor and place in mounting groove 601, rotatory knob 64, knob 64 drive two-way threaded rod 62 rotates, and two-way threaded rod 62 rotates and drives the different splint 63 that revolve to the portion in two-way threaded rod 62 both ends and be close to each other, presss from both sides the pressure sensor who waits to detect until the extrusion, like this centre gripping back, wait to detect pressure sensor and be located detecting element 4 under, need not adjust the position that waits to detect pressure sensor, the quick clamping of being convenient for detects.

Wherein, all paste on the clamping face of two splint 63 and have rubber gasket 7, wait to detect pressure sensor to the centre gripping and protect, prevent that splint 63 fish tail from waiting to detect pressure sensor.

In an embodiment of the present invention, referring to fig. 1, fig. 2 and fig. 4, the detecting assembly 4 further includes a display control box 48, the display control box 48 is fixedly mounted on the side wall of the supporting frame 2 and is communicated with an external power source through a power line, and the display control box 48 is electrically connected to the driving motor 53 and the calibration sensor 45.

It should be noted that: the display control box 48 is internally provided with a data interface for receiving the pressure sensor to be detected, the pressure sensor to be detected is connected into the display control box 48 after being clamped and fixed, the upper surface of the display control box is also provided with two display screens, one display screen displays the numerical value of the calibration sensor 45, the other display screen displays the numerical value of the pressure sensor to be detected, comparison and judgment are facilitated, and the surface of the display control box 48 is provided with a control button for controlling the driving motor 53 to rotate forwards and backwards, so that the driving mechanism 5 is convenient to control to operate.

The working principle of the pressure sensor detection mechanism provided by the utility model is as follows:

when the pressure sensor detecting device is used, a pressure sensor to be detected is placed in the mounting groove 601, then the knob 64 is rotated, the knob 64 drives the two-way threaded rod 62 to rotate, the two-way threaded rod 62 rotates to drive the clamping plates 63 on different rotation directions of the two ends of the two-way threaded rod 62 to be close to each other until the pressure sensor to be detected is squeezed and clamped, then a data line of the detected pressure sensor is connected into the display control box 48, the display control box 48 controls the driving motor 53 to rotate forwards, the driving motor 53 drives the rotating shaft 54 to rotate forwards, the rotating shaft 54 drives the screw rod 51 to rotate through the meshing transmission of the second gear 55 and the first gear 52, the two screw rods 51 are in threaded connection with the support plate 3 to drive the support plate 3 to vertically move downwards, the support plate 3 slides to drive the mounting frame 41 on the support plate 3 to move synchronously, the mounting frame 41 drives the spring 43 to move, when the calibration sensor 45 at the bottom end of the spring 43 contacts the pressure sensor to be detected, and (3) continuously moving and extruding, judging whether the pressure sensor to be detected is qualified or not by comparing the pressure value of the calibration sensor 45 with the data of the pressure sensor to be detected on the display control box 48 during extruding, calculating and judging according to the initial mark of the pointer 461 when the calibration sensor 45 is not in contact with the pressure sensor to be detected and the mark during extruding, wherein the spring force is equal to the elastic coefficient multiplied by the deformation quantity according to a formula of the spring force by utilizing the deformation of the spring 43, and further detecting and calibrating, so that the detection precision is improved.

The circuits and controls involved in the present invention are prior art and will not be described in detail herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A pressure sensor detection mechanism, comprising:

the worktable (1), a through groove (101) is formed in the middle of the upper surface of the worktable (1), a support frame (2) is installed above the through groove (101) of the worktable (1), a support plate (3) is connected in the support frame (2) in a sliding manner,

the detection assembly (4) is used for detecting the sensor, the detection assembly (4) is installed on the supporting plate (3), the detection assembly (4) comprises an installation frame (41), a protection barrel (42), a spring (43), a connecting plate (44), a calibration sensor (45), an indication rod (46) and a scale (47), the installation frame (41) is fixedly installed on the supporting plate (3), the protection barrel (42) is arranged below the installation frame (41), the protection barrel (42) is fixedly installed on the supporting plate (3), one end of the spring (43) penetrates through the protection barrel (42) and is fixedly connected with the installation frame (41), the other end of the spring (43) penetrates through the protection barrel (42) and is fixedly connected with the connecting plate (44), the calibration sensor (45) is fixedly connected to the bottom end of the connecting plate (44), and the indication rod (46) is fixedly connected with the top end of the connecting plate (44) in the spring (43), one end of the indicating rod (46) upwards penetrates through a through hole formed in the mounting frame (41) and is provided with an indicating needle (461), and a scale (47) is arranged on the upper surface of the mounting frame (41) and positioned on one side of the indicating needle (461);

the driving mechanism (5) is used for driving the supporting plate (3) to move, and the driving mechanism (5) is arranged on the supporting frame (2);

and the clamping mechanism (6) is used for clamping and fixing the pressure sensor to be detected, and the clamping mechanism (6) is arranged in the through groove (101).

2. The pressure sensor detection mechanism according to claim 1, wherein the driving mechanism (5) comprises a lead screw (51), a first gear (52), a driving motor (53), a rotating shaft (54) and a second gear (55), the two lead screws (51) are rotatably mounted on the support frame (2) and are in threaded connection with the support plate (3), one end of each of the two lead screws (51) upwards penetrates through the support frame (2) and is fixedly connected with a first gear (52), the driving motor (53) is fixedly arranged at the top end of the support frame (2), the rotating shaft (54) is rotatably arranged at the top end of the support frame (2) and is positioned right above the first gear (52), the rotating shaft (54) is fixedly connected with an output shaft of the driving motor (53), the two second gears (55) are sleeved on the rotating shaft (54), and the two second gears (55) are meshed with the two first gears (52) one by one.

3. The pressure sensor detection mechanism according to claim 2, wherein the driving mechanism (5) further comprises two guide rods (56), one end of each of the two guide rods (56) is fixedly connected with the support plate (3), and the other end of each of the two guide rods (56) is inserted into a through hole formed in the top of the support frame (2).

4. The pressure sensor detection mechanism according to claim 3, wherein a stop collar (57) is mounted on each of the two guide rods (56), and the upper surfaces of the two stop collars (57) are flush with the upper surface of the scale (47).

5. The pressure sensor detection mechanism according to claim 1, wherein the clamping mechanism (6) comprises a mounting seat (61), a two-way threaded rod (62), a clamping plate (63) and a knob (64), the mounting seat (61) is fixedly mounted in the through groove (101), a mounting groove (601) is formed in the mounting seat (61), the two-way threaded rod (62) is rotatably mounted in the mounting groove (601), the knob (64) is fixedly connected to one end of the two-way threaded rod (62), and the two clamping plates (63) are respectively mounted at two ends of the two-way threaded rod (62) in a threaded manner.

6. The pressure sensor detecting mechanism according to claim 5, wherein a rubber gasket (7) is adhered to a clamping surface of each of the two clamping plates (63).

7. The pressure sensor detection mechanism according to claim 1, wherein the detection assembly (4) further comprises a display control box (48), the display control box (48) is fixedly mounted on the side wall of the support frame (2) and is communicated with an external power supply through a power line, and the display control box (48) is electrically connected with the driving motor (53) and the calibration sensor (45).