CN210741745U - Magnetic suction type pressure sensing performance detection equipment - Google Patents
Magnetic suction type pressure sensing performance detection equipment Download PDFInfo
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- CN210741745U CN210741745U CN201921760418.7U CN201921760418U CN210741745U CN 210741745 U CN210741745 U CN 210741745U CN 201921760418 U CN201921760418 U CN 201921760418U CN 210741745 U CN210741745 U CN 210741745U
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- electromagnetic chuck
- type pressure
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- pressure sensing
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Abstract
The utility model discloses a magnetic suction type pressure sensing performance detection device, which adopts the electrification of an electromagnetic chuck to generate suction force on a magnetizer, realizes the application of pressure on a sensing material to be detected, can realize the change of instantaneous pressure, has no time delay and has fast response speed; the utility model realizes the accurate control of the pressure by adjusting the input current of the electromagnetic chuck; when single-point detection or few-point detection is realized, the device can be a portable handheld testing device, and materials which are not easy to move can be conveniently measured; after a plurality of detection unit arrays are arranged, multipoint detection of large-area materials can be achieved.
Description
Technical Field
The utility model relates to an electronic detection equipment especially relates to a formula pressure sensing performance check out test set is inhaled to magnetism.
Background
The conductive cloth takes fiber cloth as a base material, has good conductivity and long-term and lasting static elimination capability, can be used for professional shielding work clothes, shielding cloth special for shielding rooms, shielding cloth special for IT industries, currently popular touch screen gloves, radiation-proof curtains and the like which are engaged in high-radiation work such as electronics, electromagnetism and the like, and has very large use amount in industrial production and people life.
At present, in the production process of the conductive cloth, the resistance value of the conductive cloth is tested by a manual handheld multimeter, then the pressure value is tested by a pressure gauge, data is manually input, the resistance value and the pressure value are read by software to generate a curve, and therefore the performance of the conductive cloth is analyzed, and the detection mode is very low in efficiency.
The pressure sensing performance detection equipment comprises a driving motor, a shell, a pressing plate, a base body provided with a positive electrode and a negative electrode, a material table and a base, wherein the driving motor drives the pressing plate to move up and down along the shell through a transmission mechanism so as to drive the base body to lift, the material table is arranged on the base and positioned right below the base body, and the conductive cloth to be detected is placed on the material table; one end of the positive electrode is communicated with one end of the negative electrode through a wire, and when the positive electrode and the negative electrode are contacted with the conductive cloth, the two electrodes and the conductive cloth form a loop; the transmission mechanism comprises a deep groove ball bearing, a coupler, an upper mounting plate, a sliding plate, a guide rod, a screw rod, a lower mounting plate, an angular contact ball bearing, a connecting plate, a nut, a sliding block and an anti-collision block, the transmission mechanism is arranged in the shell, and the upper mounting plate is mounted on the upper part of the inner wall of the shell through a bolt; the outer ring of the deep groove ball bearing is arranged on the upper mounting plate in an interference fit manner; the lower mounting plate is mounted at the bottom of the inner wall of the shell through a bolt; the outer ring of the angular contact ball bearing is arranged on the lower mounting plate in an interference fit manner; the screw rod is vertically arranged in the shell, one end of the screw rod is arranged on the deep groove ball bearing, and the other end of the screw rod is arranged on the angular contact ball bearing; the nut is arranged on the screw rod in a threaded fit manner; because the motor is used as a motive power, the rotary motion needs to be converted into linear motion through a transmission mechanism, so that the time delay phenomenon occurs when pressure is applied to the material to be stressed; in addition, the mechanical transmission has inertia, so that the brake cannot be timely performed, the control on the pressure is not accurate enough, and the measurement result is influenced; finally, the measurement mode has limited measurement area and cannot adapt to large-area multipoint measurement.
Therefore, a magnetic attraction type pressure sensing performance detection device is needed to solve the existing technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a formula pressure sensing performance check out test set is inhaled to magnetism can exert pressure to the sensing material that awaits measuring in the twinkling of an eye, and realizes accurate control to pressure, realizes the multiple spot measurement to the large tracts of land material.
The utility model discloses a realize through following technical scheme.
A magnetic suction type pressure sensing performance detection device comprises a detection unit; the detection unit comprises an electromagnetic chuck and a detection platform arranged above the electromagnetic chuck; a sensing material to be detected is placed on the detection platform, and a magnetizer is placed on the sensing material to be detected; the electromagnetic chuck is electrified to generate downward suction force on the magnetizer, so that the magnetizer generates pressure on the sensing material to be detected.
Furthermore, the detection unit also comprises a plurality of pressure sensors which are circumferentially and uniformly distributed around the electromagnetic chuck.
Furthermore, a connecting rod is fixedly arranged on the pressure sensor; the upper end of the connecting rod is fixedly provided with a connecting plate; the detection platform is fixedly arranged on the connecting plate.
Furthermore, the pressure sensor is provided with a center hole with threads, the outer circumferential surface of the connecting rod is provided with threads, and the connecting rod is arranged in the center hole of the pressure sensor and is fixed through the threads.
Further, a positive electrode and a negative electrode are symmetrically arranged on the detection platform; the positive electrode and the negative electrode are covered with the sensing material to be measured.
Furthermore, a plurality of through holes are formed in the detection platform, are located above the electromagnetic chuck and avoid the positions of the positive electrode and the negative electrode.
Furthermore, the detection unit also comprises a bottom plate, and the electromagnetic chuck and the pressure sensor are both fixedly arranged on the bottom plate; and one end of the bottom plate is provided with a handle.
Furthermore, an electromagnetic shielding cover is arranged on the outer side of the electromagnetic chuck; the electromagnetic shielding cover is a hollow cylinder, and the lower end of the electromagnetic shielding cover is fixedly arranged on the bottom plate.
Further, a sensor support is arranged above the electromagnetic chuck, and a through hole is formed in the upper plane of the sensor support; the pressure sensor is arranged above the electromagnetic chuck and fixedly arranged on the sensor bracket.
Further, the equipment also comprises a mounting plate; the mounting plate is fixedly provided with a plurality of detection units, and multipoint detection is carried out on large-area materials.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1) the utility model adopts the electromagnetic chuck to generate suction force to the magnetizer, can realize the pressure application to the sensing material to be measured, realizes the change of the instant pressure, has no time delay and has fast response speed;
2) the utility model realizes the accurate control of the pressure by adjusting the input current of the electromagnetic chuck;
3) the utility model can be a portable hand-held test device when realizing single-point detection or few-point detection, and is convenient for measuring materials which cannot be moved easily;
4) the utility model discloses after setting up a plurality of detecting element arrays, can realize the multiple spot detection of large tracts of land material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of embodiment 1 of the present invention;
fig. 2 is a plan view of embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view of section B of FIG. 3;
FIG. 5 is a cross-sectional view C-C of FIG. 1;
fig. 6 is a vertical sectional view of embodiment 2 of the present invention.
In the figure: 1. a base plate; 2. an electromagnetic chuck; 3. a pressure sensor; 4. an electromagnetic shield; 5. a detection platform; 6. a magnetizer; 7. a connecting rod; 8. a connecting plate; 9. a sensing material to be measured; 10. a handle; 11. a detection unit; 12. a positive electrode; 13. a negative electrode; 14. a sensor holder.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
As shown in fig. 1 to 5, a magnetic attraction type pressure sensing performance detection apparatus includes a detection unit 11;
the sensing material to be detected 9 is placed on the detection unit 11, the detection unit 11 applies pressure to the sensing material to be detected and energizes the sensing material to be detected to detect the resistance value of the sensing material to be detected in real time so as to obtain the relation between the pressure and the resistance value, and therefore the sensing performance of the sensing material to be detected is evaluated.
The detection unit 11 includes: the device comprises a bottom plate 1, an electromagnetic chuck 2, a pressure sensor 3, an electromagnetic shielding cover 4, a detection platform 5 and a magnetizer 6;
the bottom plate 1 is a flat plate;
the electromagnetic chuck 2 and the pressure sensor 3 are arranged on the bottom plate 1;
three pressure sensors 3 are uniformly distributed around the electromagnetic chuck 2 in the circumference and are fixedly arranged on the bottom plate 1 through bolts;
the pressure sensor 3 is fixedly provided with a connecting rod 7;
the pressure sensor 3 is provided with a center hole with threads, the outer circumferential surface of the connecting rod 7 is provided with threads, and the connecting rod 7 is arranged in the center hole of the pressure sensor 3 and is fixed through the threads;
the upper end of the connecting rod 7 is provided with a connecting plate 8; the connecting plate 8 and the connecting rod 7 are fixed in a welding mode.
The detection platform 5 is a circular flat plate, is made of an insulating material, and is fixedly installed on the connecting plate 8 through bolts;
a sensing material to be detected is placed in the middle of the detection platform 5;
a magnetizer 6 is arranged above the sensing material to be detected 9, the specific position of the magnetizer is positioned above the electromagnetic chuck 2, and the magnetizer 6 is in a flat plate shape and is pressed on the sensing material to be detected 9;
when the electromagnetic chuck 2 is electrified to generate magnetic force, the magnetizer 6 is attracted downwards by the magnetic force to generate downward pressure on the sensing material 9 to be detected; the pressure of the magnetizer 6 on the sensing material 9 to be measured can be adjusted by adjusting the electrifying current of the electromagnetic chuck 2.
In order to avoid the interference of the electromagnetic chuck 2 on the pressure sensor 3, an electromagnetic shielding cover 4 is arranged outside the electromagnetic chuck 2; the electromagnetic shielding cover 4 is a hollow cylinder, and the lower end of the electromagnetic shielding cover is fixedly arranged on the bottom plate 1.
The detection platform 5 is symmetrically provided with a positive electrode 12 and a negative electrode 13; the positive electrode 12 and the negative electrode 13 are covered by the sensing material to be measured 9;
the positive electrode 12 and the negative electrode 13 are conducted with an external power supply (not shown) through wires;
when the magnetizer 6 presses the sensing material 9 to be measured downwards, the positive electrode 12 and the negative electrode 13 are pressed on the sensing material 9 to be measured, and the two electrodes and the sensing material 9 to be measured form a conductive loop;
in order to transmit the magnetic force of the electromagnetic chuck 2 to the magnetizer 6, a plurality of through holes are formed in the detection platform 5, and the through holes are located above the electromagnetic chuck 2 and avoid the positions of the positive electrode 12 and the negative electrode 13.
One end of the bottom plate 1 is provided with a handle 10, and during detection, an operator can hold the bottom plate 1 by arms and hold the handle 10 by hands to reliably hold the equipment.
Therefore, an operator can hold the equipment by hand and move the equipment at will to measure the materials, and the whole roll of finished materials does not need to be moved to adapt to the position of the detection equipment.
During specific use, the pressure sensors 3 are calibrated firstly, weights are placed on the detection platform 5 and located in the middle positions of the three pressure sensors 3, and the resistance values of the detection circuits (not shown) are adjusted according to the specific weights of the weights to enable the pressure output values of the three pressure sensors 3 to be weight values, so that calibration is completed.
During measurement, the sensing material 9 to be measured is placed on the detection platform 5, a small current is conducted to the electromagnetic chuck 2, the magnetizer 6 is placed on the sensing material 9 to be measured according to the position of magnetic force, the pressure of the magnetizer 6 on the sensing material 9 to be measured can be accurately changed by adjusting the input current of the electromagnetic chuck 2, and at the moment, the detection circuit detects the resistance value of the sensing material 9 to be measured to form the relation between the pressure and the resistance value; the pressure value and the resistance value are displayed through a display device arranged on the bottom plate 1; by changing the input current, the pressure can be instantly changed, the time delay phenomenon is avoided, and the response speed is high.
Example 2
As shown in fig. 6, the present embodiment is similar to embodiment 1 in structural principle, and differs from embodiment 1 in that:
1) a sensor bracket 14 is arranged above the electromagnetic chuck 2, and a through hole is arranged on the upper plane of the sensor bracket 14, so that the magnetic field of the electromagnetic chuck 2 can better penetrate through the upper plane of the sensor bracket 14;
2) the pressure sensor 3 is arranged above the electromagnetic chuck 2 and is fixedly arranged on the sensor bracket 14;
3) the detection platform 5 is mounted on a connection plate 8 on the pressure sensor 3.
The sensing material 9 to be detected is placed on the detection platform 5, the magnetizer 6 is pressed above the sensing material 9 to be detected, and after the electromagnetic chuck 2 is electrified, electromagnetic suction force is generated to enable the magnetizer 6 to generate downward pressure on the sensing material 9 to be detected.
The pressure sensor 3 is selected from a sensor resistant to electromagnetic interference, such as an optical fiber sensor.
Example 3
The present embodiment is similar to embodiment 1 in structural principle, and differs from embodiment 1 in that:
1) removing the bottom plate 1 and the handle 10 on the bottom plate 1;
2) the detection unit 11 below sets up the mounting panel, fixed being provided with a plurality of detection unit 11 on the mounting panel can carry out the multiple spot to large tracts of land material and detect.
When in specific use, each detection sheet is calibrated; during the measurement, will the sensing material 9 that awaits measuring of large tracts of land tile on detecting element 11, lead to less electric current for every electromagnet 2, will magnetizer 6 is placed according to the position of magnetic force on the sensing material 9 that awaits measuring, through the input current of adjusting electromagnet 2, change magnetizer 6 is right the pressure of sensing material 9 that awaits measuring, detecting circuit detects the resistance value of sensing material 9 that awaits measuring this moment, forms the relation between multiunit pressure and the resistance value.
Example 3 can be used in combination with examples 1 and 2, respectively, in the case where the number of detection points is small.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A magnetic suction type pressure sensing performance detection device is characterized by comprising a detection unit (11); the detection unit (11) comprises an electromagnetic chuck (2) and a detection platform (5) arranged above the electromagnetic chuck (2); a sensing material (9) to be detected is placed on the detection platform (5), and a magnetizer (6) is placed on the sensing material (9) to be detected; the electromagnetic chuck (2) is electrified to generate downward suction force to the magnetizer (6), so that the magnetizer (6) generates pressure to the sensing material (9) to be detected.
2. A magnetic suction type pressure sensing performance detection device according to claim 1, characterized in that the detection unit (11) further comprises a plurality of pressure sensors (3) circumferentially and uniformly distributed around the electromagnetic chuck (2).
3. A magnetic suction type pressure sensing performance detection device according to claim 2, characterized in that a connecting rod (7) is fixedly installed on the pressure sensor (3); the upper end of the connecting rod (7) is fixedly provided with a connecting plate (8); the detection platform (5) is fixedly arranged on the connecting plate (8).
4. A magnetic suction type pressure sensing performance detection device according to claim 3, characterized in that the pressure sensor (3) has a threaded central hole, the outer circumferential surface of the connecting rod (7) is provided with threads, and the connecting rod (7) is arranged in the central hole of the pressure sensor (3) and fixed by threads.
5. The magnetic attraction type pressure sensing performance detection device according to claim 1, characterized in that a positive electrode (12) and a negative electrode (13) are symmetrically arranged on the detection platform (5); the positive electrode (12) and the negative electrode (13) are covered by the sensing material (9) to be measured.
6. A magnetic suction type pressure sensing performance detection device according to claim 5, characterized in that the detection platform (5) is provided with a plurality of through holes, and the through holes are located above the electromagnetic chuck (2) and avoid the positions of the positive electrode (12) and the negative electrode (13).
7. The magnetic attraction type pressure sensing performance detection device is characterized by further comprising a bottom plate (1), wherein the electromagnetic chuck (2) and the pressure sensor (3) on the detection unit (11) are fixedly arranged on the bottom plate (1); one end of the bottom plate (1) is provided with a handle (10).
8. The magnetic suction type pressure sensing performance detection device according to claim 7, characterized in that an electromagnetic shielding cover (4) is arranged outside the electromagnetic suction cup (2); the electromagnetic shielding cover (4) is a hollow cylinder, and the lower end of the electromagnetic shielding cover is fixedly arranged on the bottom plate (1).
9. A magnetic suction type pressure sensing performance detection device according to claim 2, characterized in that a sensor support (14) is arranged above the electromagnetic chuck (2), and a through hole is arranged on the upper plane of the sensor support (14); the pressure sensor (3) is arranged above the electromagnetic chuck (2) and is fixedly arranged on the sensor bracket (14).
10. The magnetic-type pressure sensing performance detection device according to claim 1, characterized in that the device further comprises a mounting plate; the mounting plate is fixedly provided with a plurality of detection units (11) for carrying out multi-point detection on large-area materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921760418.7U CN210741745U (en) | 2019-10-21 | 2019-10-21 | Magnetic suction type pressure sensing performance detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921760418.7U CN210741745U (en) | 2019-10-21 | 2019-10-21 | Magnetic suction type pressure sensing performance detection equipment |
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| CN210741745U true CN210741745U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921760418.7U Active CN210741745U (en) | 2019-10-21 | 2019-10-21 | Magnetic suction type pressure sensing performance detection equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964599A (en) * | 2022-06-14 | 2022-08-30 | 南京高华科技股份有限公司 | Micromechanical pressure sensor and method for producing the same |
| CN117122759A (en) * | 2023-09-07 | 2023-11-28 | 南京汉科明德医疗科技有限公司 | Magnetic pressure monitoring device, extracorporeal circulation system and pressure measuring method |
-
2019
- 2019-10-21 CN CN201921760418.7U patent/CN210741745U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964599A (en) * | 2022-06-14 | 2022-08-30 | 南京高华科技股份有限公司 | Micromechanical pressure sensor and method for producing the same |
| CN117122759A (en) * | 2023-09-07 | 2023-11-28 | 南京汉科明德医疗科技有限公司 | Magnetic pressure monitoring device, extracorporeal circulation system and pressure measuring method |
| CN117122759B (en) * | 2023-09-07 | 2024-05-03 | 南京汉科明德医疗科技有限公司 | Magnetic pressure monitoring device, extracorporeal circulation system and pressure measuring method |
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