CN215813285U - Residual magnetic induction intensity measuring device - Google Patents
Residual magnetic induction intensity measuring device Download PDFInfo
- Publication number
- CN215813285U CN215813285U CN202121843720.6U CN202121843720U CN215813285U CN 215813285 U CN215813285 U CN 215813285U CN 202121843720 U CN202121843720 U CN 202121843720U CN 215813285 U CN215813285 U CN 215813285U
- Authority
- CN
- China
- Prior art keywords
- interface
- magnetic induction
- residual magnetic
- measuring device
- processing unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000006698 induction Effects 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 235000015429 Mirabilis expansa Nutrition 0.000 claims description 3
- 244000294411 Mirabilis expansa Species 0.000 claims description 3
- 235000013536 miso Nutrition 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000005415 magnetization Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000006247 magnetic powder Substances 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 5
- 238000013500 data storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The utility model relates to the technical field of nondestructive testing, in particular to a residual magnetic induction intensity measuring device which comprises a U1 central processing unit, wherein the U1 central processing unit is connected with a U2 liquid crystal display, a U3 magnetoresistive sensor, a K1 key module and a K2 key module, and the K1 key module and the K2 key module are connected with a power management module. The U2 LCD digital display of the device can read the display value in dark environment, and can directly read the display value through a computer, thereby realizing the automatic recording of the numerical value. The device can be directly loaded on magnetic powder detection equipment, and the monitoring of the residual magnetic induction intensity of the workpiece in the magnetization process is realized.
Description
Technical Field
The utility model relates to the technical field of nondestructive testing, in particular to a residual magnetic induction intensity measuring device.
Background
At present, the mainstream residual magnetic induction intensity measuring equipment in the market basically adopts pointer indication, and under the action of a magnetic field of a workpiece to be measured, a built-in magnet generates deflection in different degrees, so that the pointer is driven to deflect, and the indication of the residual magnetic induction intensity of the workpiece is realized. The device is fragile under the effect of high-intensity magnetic field, when using in the magnetic particle testing process, need pay attention to the isolation with high-intensity magnetic field, need keep away from the magnetic particle flaw detector with the work piece after measure, can not realize the control to work piece residual magnetic induction intensity in magnetization process.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a residual magnetic induction strength measuring device.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the residual magnetic induction intensity measuring device is characterized by comprising a U1 central processing unit, wherein the U1 central processing unit is connected with a U2 liquid crystal display, a U3 magnetoresistive sensor and K1 and K2 key modules, and the K1 and K2 key modules are connected with a power management module.
According to another embodiment of the utility model, the U1 central processing unit is further connected with an LED warning light. The automatic alarm function of the device is realized through the LED warning lamp.
According to another embodiment of the utility model, the U3 magnetic resistance sensor is a three-axis digital high-precision magnetic resistance sensor.
According to another embodiment of the utility model, the power management module is internally provided with a TP4057 charging circuit module. The TP4057 charging circuit is simple in periphery and has the functions of charging indication and full-charge indication, preventing reverse connection of a battery, power supply under-voltage protection and the like.
According to another embodiment of the utility model, the U3 magnetic sensor is connected with the U1 central processing unit through an SPI interface, an NSS interface and an MISO interface.
According to another embodiment of the utility model, the K1 and K2 key modules are connected with the U1 central processing unit through K1 interfaces and K2 interfaces.
According to another embodiment of the utility model, the U2 LCD is connected with the U1 CPU through/RD interface,/WR interface, D/C interface,/RES interface and/CS interface.
According to another embodiment of the present invention, it further comprises that the K1, K2 key module 4 is connected with the power management module 5 through a switch 7.
The device has the advantages that the device can display and monitor the residual magnetism of the detected object in time, has data storage and uploading functions, can realize self-protection of a strong magnetic field relative to a pointer indicating device, and is not easy to damage under an external strong magnetic field. The U2 LCD digital display of the device can read the display value in dark environment, and can directly read the display value through a computer, thereby realizing the automatic recording of the numerical value. The device can be directly loaded on magnetic powder detection equipment, and the monitoring of the residual magnetic induction intensity of the workpiece in the magnetization process is realized.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a circuit diagram of the present invention.
In the figure, a central processing unit 1, a U1, a liquid crystal display 2, a U2, a magneto-resistive sensor 3, a U3, key modules 4, K1 and K2, a power management module 5, an LED warning lamp 6, an LED warning lamp 7 and a switch are provided.
Detailed Description
Fig. 1 is a schematic structural diagram of the present invention, and a residual magnetic induction strength measuring apparatus is characterized by comprising a U1 central processing unit 1, wherein the U1 central processing unit 1 is connected with a U2 liquid crystal display 2, a U3 magnetoresistive sensor 3, a K1 key module 4 and a K2 key module 4, and the K1 key module 4 and the K2 key module 4 are connected with a power management module 5.
Specifically, the K1 and K2 key modules 4 realize standby wakeup of the system; the power management module 5 realizes the charging and power supply management of the system battery; the U1 central processing unit 1, namely the CPU, and the U1 central processing unit 1 acquire the magnetic field intensity information of the U3 magnetoresistive sensor 3 in real time, process and calculate the information to obtain the residual magnetism of the detected object, and transmit the residual magnetism to the U2 liquid crystal display 2, and the U2 liquid crystal display 2 displays the residual magnetism of the detected object. The device can display and monitor the residual magnetism of the detected object in due time, has the functions of data storage and uploading, can realize self-protection of a high-intensity magnetic field and is not easy to damage under an external high-intensity magnetic field compared with a device indicated by a pointer. The U2 LCD 2 digital display of the device can read the display value in dark environment, and can directly read the display value through a computer to realize the automatic recording of the numerical value. The device can be directly loaded on magnetic powder detection equipment, and the monitoring of the residual magnetic induction intensity of the workpiece in the magnetization process is realized.
According to another embodiment of the utility model, the U1 central processing unit 1 is further connected with an LED warning lamp 6. The automatic alarm function of the device is realized through the LED warning lamp 6.
According to another embodiment of the present invention, it is further included that the U3 magnetic resistance sensor 3 is a three-axis digital high-precision magnetic resistance sensor.
According to another embodiment of the present invention, the power management module 5 is further provided with a TP4057 charging circuit module inside. The TP4057 charging circuit is simple in periphery and has the functions of charging indication and full-charge indication, preventing reverse connection of a battery, power supply under-voltage protection and the like.
According to another embodiment of the present invention, it further comprises that the U3 magnetic sensor 3 is connected to the U1 central processing unit 1 through SPI interface, NSS interface and MISO interface.
According to another embodiment of the utility model, the key module 4 of K1 and K2 is connected with the U1 central processor 1 through K1 interface and K2 interface.
According to another embodiment of the present invention, it further comprises that the U2 lcd 2 is connected to the U1 cpu 1 through a/RD interface, a/WR interface, a D/C interface, a/RES interface, and/CS interface.
According to another embodiment of the present invention, it further comprises that the K1, K2 key module 4 is connected with the power management module 5 through a switch 7.
Examples
In the present application, the model of the U3 magnetic sensor 3 is QMC5883, and the model of the U2 liquid crystal display 2 is M00832.
The device comprises the following use steps:
(1) pressing a power switch, starting the instrument, and lighting the U2 liquid crystal display 2;
(2) pressing the key module 4 of K1 and K2 for a long time, pressing the measuring end of the remanence meter close to the surface of the part to be measured of the workpiece, and automatically displaying the value of the remanence by the U2 liquid crystal display 2;
(3) when the K1 and K2 key modules 4 are released, the power switch is pressed again, the U2 liquid crystal display 2 is turned off, and the instrument is turned off.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (8)
1. The residual magnetic induction intensity measuring device is characterized by comprising a U1 central processing unit (1), wherein the U1 central processing unit (1) is connected with a U2 liquid crystal display (2), a U3 magnetoresistive sensor (3), a K1 key module (4) and a K2 key module (4), and the K1 key module and the K2 key module (4) are connected with a power management module (5).
2. The residual magnetic induction intensity measuring device of claim 1, wherein the U1 central processing unit (1) is further connected with an LED warning lamp (6).
3. The residual magnetic induction strength measuring device according to claim 1, wherein the U3 magnetic resistance sensor (3) is a three-axis digital high-precision magnetic resistance sensor.
4. The residual magnetic induction strength measuring device according to claim 1, wherein the power management module (5) is internally provided with a TP4057 charging circuit.
5. The residual magnetic induction strength measuring device according to claim 1, wherein the U3 magnetoresistive sensor (3) is connected with the U1 central processing unit (1) through an SPI interface, an NSS interface and an MISO interface.
6. The residual magnetic induction strength measuring device of claim 1, wherein the K1 and K2 key module (4) is connected with the U1 central processing unit (1) through a K1 interface and a K2 interface.
7. The residual magnetic induction measuring device according to claim 1, wherein the U2 lcd (2) is connected to the U1 cpu (1) through a/RD interface, a/WR interface, a D/C interface, a/RES interface, and/CS interface.
8. The residual magnetic induction measuring device of claim 1, wherein the K1 and K2 key modules (4) are connected with the power management module (5) through a switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121843720.6U CN215813285U (en) | 2021-08-09 | 2021-08-09 | Residual magnetic induction intensity measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121843720.6U CN215813285U (en) | 2021-08-09 | 2021-08-09 | Residual magnetic induction intensity measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215813285U true CN215813285U (en) | 2022-02-11 |
Family
ID=80129323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121843720.6U Active CN215813285U (en) | 2021-08-09 | 2021-08-09 | Residual magnetic induction intensity measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215813285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447868A (en) * | 2021-08-09 | 2021-09-28 | 常州越泰检测科技有限公司 | Residual magnetic induction intensity measuring device |
-
2021
- 2021-08-09 CN CN202121843720.6U patent/CN215813285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113447868A (en) * | 2021-08-09 | 2021-09-28 | 常州越泰检测科技有限公司 | Residual magnetic induction intensity measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112345095B (en) | Portable steel rail thermometer and temperature measuring system thereof | |
| CN206684310U (en) | Multifunctional radiation detector | |
| CN202404185U (en) | Multi-core cable fault tester | |
| RU2008151180A (en) | NON-DESTRUCTIVE CONTROL DETAILS BY ANALYSIS OF A MAGNETIC FIELD OF LEAKAGE | |
| CN215813285U (en) | Residual magnetic induction intensity measuring device | |
| CN107019277B (en) | A kind of digital measurement ruler and its measuring method | |
| CN201196564Y (en) | Angle measurement apparatus | |
| CN201852600U (en) | Portable multifunctional comprehensive safety detector | |
| CN113447868A (en) | Residual magnetic induction intensity measuring device | |
| CN201804121U (en) | Intelligent type personnel dosimeter | |
| CN204694781U (en) | A kind of portable multi-function electromagnetic field intensity tester | |
| CN203704915U (en) | Digital wireless inclination angle measuring instrument | |
| CN204256049U (en) | A kind of NEW TYPE OF COMPOSITE function earth resistance tester | |
| CN202304798U (en) | Side dip angle and rotation angle detection device | |
| CN202511823U (en) | Temperature and pressure synchronous tester | |
| CN201562045U (en) | Weak magnetic field detecting equipment | |
| CN103278658A (en) | High-power motor rotation speed detection device | |
| CN203224569U (en) | Resistance tester based on wireless transmission | |
| CN202033309U (en) | Portable device for testing freezing resistance of antifreezing solution | |
| CN205809142U (en) | A kind of electric energy meter conveniently carrying out consumption habit detection | |
| CN205679681U (en) | A kind of portable digital voltmeter | |
| CN202393779U (en) | Non-contact photoelectric revolution meter provided with separable probe | |
| CN206725098U (en) | Portable mobile wireless temperature measuring and recording device | |
| CN2800288Y (en) | Pocket accumulator pack detecting instrument | |
| CN201096799Y (en) | Automatic recording instrument for wind speed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |