CN211263739U

CN211263739U - Magnetic field measuring equipment

Info

Publication number: CN211263739U
Application number: CN201920975723.1U
Authority: CN
Inventors: 安学亮; 侯荣芹; 陈琳鑫
Original assignee: Huiren Wangdu Medical Equipment Science & Technology Co ltd
Current assignee: HEBEI HUIREN MEDICAL EQUIPMENT TECHNOLOGY Co.,Ltd.
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-08-14
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a magnetic field measuring equipment, include bearing structure and the measurement structure who locates the bearing structure top, wherein bearing structure includes that aluminium alloy base, cover locate the outside base shell of aluminium alloy base and locate the L type backup pad of aluminium alloy base upper surface. The vertical motor that is equipped with No. 1 in L type backup pad bottom, both ends are equipped with the bearing frame respectively about the L type backup pad, and the vertical transmission lead screw that is equipped with between two bearing frames, and the output shaft of No. 1 motor passes through the shaft coupling and the transmission lead screw extends to L type backup pad top and connects. The measuring structure is connected with the L-shaped supporting plate through the sliding block. The measuring structure comprises a measuring arm and a measuring head assembly arranged at the right end part of the measuring arm. The measuring head assembly comprises a bottom plate, a rack arranged in a sliding groove of the bottom plate and a teslameter probe arranged at the right end part of the rack. The measuring head assembly is connected with the measuring arm through a sleeve shaft structure. The utility model provides a magnetic field intensity measuring equipment, easy operation, convenient to use, cost is with low costs and can be swiftly accurate measure magnetic field intensity.

Description

Magnetic field measuring equipment

Technical Field

The utility model relates to a measuring instrument technical field especially relates to a magnetic field measuring equipment.

Background

Need test the inspection to magnetic field direction, the nature of magnetic field relative motion in the production inspection process of magnetic resonance equipment, but current magnetic field measuring equipment design is complicated relatively, the device is whole great, the price is expensive, consequently need have a money easy operation, convenient to use, cost is with low costs and can be swiftly accurate carry out the magnetic field measuring equipment that measures to magnetic field intensity and satisfy the market demand.

Disclosure of Invention

The utility model aims at providing a magnetic field measuring equipment solves the shortcoming that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

The utility model provides a magnetic field measuring equipment, includes bearing structure and the measurement structure who locates the bearing structure top, wherein bearing structure includes aluminium alloy base 9, the cover locates the outside base shell 8 of aluminium alloy base and locates the L type backup pad 7 of aluminium alloy base upper surface. 7 vertical motors 4 that are equipped with in L type backup pad bottom, both ends are equipped with the bearing frame respectively about L type backup pad 7, two the vertical transmission lead screw 1 that is equipped with between the bearing frame, 1 number motor 4's output shaft passes through shaft coupling and transmission lead screw 1 and extends to 7 tops of L type backup pad and connect, measurement structure passes through the slider and is connected with L type backup pad 7, measurement structure includes measuring arm 6 and the measuring head subassembly 10 of locating the 6 right-hand members of measuring arm, measuring head subassembly 10 includes bottom plate 20, locates rack 19 in the 20 spout of bottom plate and locates the tesla meter probe 21 of rack right-hand member portion, measuring head subassembly 10 passes through the sleeve structure and is connected with measuring arm 6.

The measuring arm is characterized in that a motor 3 and a motor 2 3 are vertically arranged at the left end of the measuring arm 6, an output shaft of the motor 3 extends to the right end of the measuring arm 6 through a toothed belt 5 and is connected with a belt wheel 16, an output shaft of the motor 2 extends to the right end of the measuring arm 6 through the toothed belt 5 and is connected with the belt wheel 16, bearing seats are respectively arranged at the upper end and the lower end of the right end of the measuring arm 6, a sleeve shaft structure is vertically arranged between the bearing seats, two ends of the sleeve shaft structure are respectively fastened on the measuring arm 6 and the measuring head assembly 10 through locking nuts 11, a sliding groove is arranged inside a bottom plate 20 of the measuring head assembly 10, a rack 19 for adjusting the position is arranged in the sliding groove, a gear 17 connected with the sleeve shaft structure in a key mode is matched on the rack 19, and a tesla meter probe 21 is arranged.

The No. 1 motor 4, the No. 2 motor 3 and the No. 3 motor 2 are electrically connected with a control console which comprises a central processing unit, the central processing unit is electrically connected with a manual control module and an automatic control module, the central processing unit is electrically connected with a data receiving module and a data output module, the data receiving module is electrically connected with the data storage module, the data output module is connected with the computer end through a data line, the central processor is electrically connected with a No. 1 motor driver, a No. 2 motor driver and a No. 3 motor driver, the No. 1 motor driver is electrically connected with the No. 1 motor 4, the No. 2 motor driver is electrically connected with the No. 2 motor 3, the No. 3 motor driver is electrically connected with the No. 3 motor 2, and motor 4, motor 3 and motor 2 No. 1 all connect with power module through the wire.

Preferably, the sleeve shaft structure comprises an internal transmission shaft 12 and a hollow shaft 14 sleeved outside the transmission shaft, the transmission shaft 12 of the sleeve shaft structure is fastened with the measuring head assembly 10 through a locking nut 18 to drive the measuring head assembly 10 to rotate in an X, Y plane, and the hollow shaft 14 of the sleeve shaft structure is in key connection with a gear 17 on a rack 19 to drive the rack 19 to move back and forth, so as to drive the teslameter probe 21 to move.

Preferably, the top of the L-shaped supporting plate 7 is provided with a hardware limit switch, and the left end of the fixing block 15 is provided with a hardware limit switch.

Preferably, the hardware limit switches are all made of lead-free pressure power generation materials.

Preferably, the

motors

4, 3 and 2 of the motor 1, the motor 2 of the motor 2 and the motor 3 of the motor 3 are 57BYG250C stepping motors.

Preferably, the teslameter probe 21 is an SS495a1 hall sensor probe.

Compared with the prior art, the utility model provides a magnetic field measuring equipment, its beneficial effect lies in: the magnetic field measuring equipment adopts the cooperation of a non-magnetic measuring arm 6 and three motors to realize the measurement of the measuring arm 6 on each direction of a magnetic field, a No. 1 motor 4 controls the measuring arm to move in the Z direction, a No. 2 motor 3 controls the measuring arm 6 to rotate in the X, Y plane, and a No. 3 motor 2 controls the movement of the position of a probe 21 of a teslameter; the movement of the measuring head assembly 10 is composed of two parts, including the movement of the position of the teslameter probe 21 and the rotation of the measuring head assembly 10, the two movements are realized by the matching of the No. 2 and No. 3 motors and the sleeve shaft mechanism, the sleeve shaft structure realizes the independent rotation of the two shafts, and finally the measurement of all points in the whole magnetic field three-dimensional space is realized.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural view of the magnetic field measuring apparatus of the present invention.

Fig. 2 is a schematic view of a cross-sectional structure of a measuring head assembly of a magnetic field measuring apparatus of the present invention.

Fig. 3 is a system block diagram of a magnetic field measuring apparatus according to the present invention.

Wherein: 1-a transmission screw rod; a No. 2-3 motor; a No. 3-2 motor; a motor No. 4-1; 5-a toothed belt; 6-a measuring arm; a 7-L shaped support plate; 8-a base housing; 9-aluminum profile base; 10-a measuring head assembly; 11-a lock nut; 12-a drive shaft; 13-a bearing; 14-a hollow shaft; 15-fixing block; 16-a pulley; 17-a gear; 18-a lock nut; 19-a rack; 20-a base plate; a 21-teslameter probe; a 22-bond.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is the utility model relates to a magnetic field measuring equipment structure schematic diagram, fig. 2 is the utility model relates to a magnetic field measuring equipment measuring head subassembly section structure schematic diagram, fig. 3 is the utility model relates to a magnetic field measuring equipment's system block diagram. As shown in the figure, the magnetic field measurement equipment comprises a support structure and a measurement structure arranged above the support structure, wherein the support structure comprises an aluminum profile base, a base shell sleeved outside the aluminum profile base and an L-shaped support plate arranged on the upper surface of the aluminum profile base; the measuring structure comprises a measuring arm and a measuring head assembly arranged at the right end part of the measuring arm. The measuring head assembly comprises a fixed plate, a rack arranged in a chute of the fixed plate and a teslameter probe arranged at the right end part of the rack. The measuring head assembly is connected with the measuring arm through a sleeve shaft structure.

When the device is used, firstly, the device is integrally leveled by adjusting the sizing block, the No. 1 motor 4 is started, the No. 1 motor 4 is a 57BYG250C stepping motor, the No. 1 motor driver is a TB6600 driver, the No. 1 motor 4 drives the transmission screw rod 1, the stroke of the transmission screw rod 1 is 500mm, and the No. 1 motor 4 stops after the whole measuring arm system is adjusted to the highest point of a magnetic field and touches a hardware limit switch; the No. 3 motor 2 is started, the No. 3 motor 2 is a 57BYG250C stepping motor, the No. 3 motor driver is a TB6600 driver, the hollow shaft 14 is driven to rotate by the toothed belt 5, the hollow shaft 14 and the transmission shaft 12 are concentric but do not move together, the hollow shaft 14 drives the gear 17 to rotate so as to drive the rack 19 to move, at this time, the Tesla meter probe 21 fixed on the rack 19 moves along with the hollow shaft, the length of the rack 19 is 250mm, the maximum diameter of a magnetic field which can be measured by the Tesla meter probe 21 fixed on the rack 19 is 500mm, the magnetic field area to be measured is a sphere, and the No. 3 motor 2 stops after the position of the Tesla meter probe 21 is; the No. 2 motor 3 is started, the No. 2 motor 3 is a 57BYG250C stepping motor, the No. 2 motor driver is a TB6600 driver, a belt pulley 16 is driven to rotate through a toothed belt 5, the belt pulley 16 is connected with a transmission shaft 12 through a key so as to drive the transmission shaft 12 to rotate, the transmission shaft 12 is connected with the measuring head assembly 10 through a key 22 so as to drive the measuring head assembly 10 to do 360 DEG rotary motion, a teslameter probe 21 can measure the field intensity value of each position point which rotates through, and the No. 2 motor 3 stops after the measurement is finished; in a similar way, the motor 4 No. 1 is started again, the position of the measuring arm 6 in the vertical direction is adjusted, and the motor 2 No. 3 and the motor 3 No. 2 are started in sequence to further complete the measurement of the magnetic field strength value of the plane where the motor is located.

The motor No. 14, the motor No. 2, the motor No. 3 and the motor No. 3 4 are electrically connected with a control console, the control console comprises a central processing unit, the model of the central processing unit is STC89C51, the central processing unit is provided with an automatic control module, and the control console can be switched to a manual mode according to actual conditions; central processing unit electric connection has data receiving module, data storage module and data output module, wherein data receiving module and data storage module are connected, data output module passes through the data line and is connected with the computer, the three driver of central processing unit control, 1 motor driver and No. 1 motor 4 electric connection, No. 2 motor driver and No. 2 motor 3 electric connection, 3 motor driver and No. 3 motor 2 electric connection, and No. 1 motor 4, No. 2 motor 3, No. 3 motor 2 all is connected with power module through the wire, the measured data of tesla meter probe 21 transmits data receiving module through the data line, simultaneously save in the data storage module, at last, export the computer end through data output module.

The Z-axis direction adopts a hardware limit switch design, when a sliding block where the measuring arm 6 is located touches the limit switch, the system is powered off, and the measuring arm 6 stops moving; a hardware limit switch is arranged between the rack 19 and the bottom plate 20, when the rack 19 moves to the position of the maximum stroke, the rack 19 stops moving when the system is powered off, and therefore the device is effectively protected.

The utility model provides a magnetic field measuring equipment easy operation, convenient to use, cost is with low costs and can be swiftly accurate carry out measuring magnetic field measuring equipment to magnetic field intensity and satisfy the market demand.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it, although the technical solution of the present invention is described in detail with reference to the preferred embodiments, the skilled person of the present invention should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a magnetic field measuring equipment, includes bearing structure and the measurement structure of locating the bearing structure top, its characterized in that: the supporting structure comprises an aluminum profile base, a base shell sleeved outside the aluminum profile base and an L-shaped supporting plate arranged on the upper surface of the aluminum profile base; the measuring device comprises an L-shaped supporting plate, a motor 1, a transmission screw rod, a measuring structure and a measuring head assembly, wherein the motor 1 is vertically arranged at the bottom of the L-shaped supporting plate, the upper end and the lower end of the L-shaped supporting plate are respectively provided with a bearing seat, the transmission screw rod is vertically arranged between the two bearing seats, the output shaft of the motor 1 extends to the top end of the L-shaped supporting plate through a coupler and the transmission screw rod to be connected, the measuring structure is connected with the L-shaped supporting plate through a sliding block, the measuring structure comprises a measuring arm and a measuring head assembly arranged at the right end part of the measuring arm, the measuring head assembly comprises a bottom plate, a rack arranged;

the measuring arm comprises a measuring arm body, a belt wheel, a gear, a sleeve shaft structure, a measuring arm, a measuring head assembly, a sliding groove, a rack, a gear, a tesla meter probe and a tesla meter probe, wherein the motor 2 and the motor 3 are vertically arranged at the left end part of the measuring arm body, an output shaft of the motor 2 extends to the right end part of the measuring arm body through a toothed belt and is connected with the belt wheel, an output shaft of the motor 3 extends to the right end part of the measuring arm body through the toothed belt and is connected with the belt wheel, bearing seats are respectively arranged at the upper end and the lower end of the right end part of the measuring arm body, the sleeve shaft structure is vertically arranged between the two bearing seats, two end parts of the sleeve shaft structure are respectively fastened on the measuring arm; the utility model discloses a motor, No. 1 motor, No. 2 motor, the equal electric connection of No. 3 motor have the control cabinet, the control cabinet includes central processing unit, central processing unit electric connection has manual control module, automatic control module, central processing unit electric connection has data receiving module, data output module, and data receiving module and data storage module electric connection, data output module passes through the data line and the computer end is connected, central processing unit electric connection has motor driver 1, motor driver 2 and motor driver 3, motor driver 1 and motor electric connection 1, motor driver 2 and motor electric connection 2, motor driver 3 and motor electric connection 3, and motor 1, motor 2 and motor 3 all connect through wire and power module.

2. A magnetic field measuring device according to claim 1, characterized in that: the outside hollow shaft of transmission shaft is located including inside transmission shaft and cover to the sleeve axle construction, the transmission shaft of sleeve axle construction passes through lock nut and fastening with the measuring head subassembly, drives the measuring head subassembly at X, Y plane internal rotation, the gear on the hollow shaft of sleeve axle construction and the rack passes through the key-type connection, drives the back-and-forth movement of rack, and then drives the removal of teslameter probe.

3. A magnetic field measuring device according to claim 1, characterized in that: the top of the L-shaped supporting plate is provided with a hardware limit switch, and the left end part of the bottom plate is provided with the hardware limit switch.

4. A magnetic field measuring device according to claim 3, characterized in that: the hardware limit switches are all made of lead-free pressure power generation materials.

5. A magnetic field measuring device according to claim 1, characterized in that: the No. 1 motor, the No. 2 motor and the No. 3 motor are 57BYG250C stepping motors.

6. A magnetic field measuring device according to claim 1, characterized in that: the teslameter probe is an SS495A1 Hall sensor probe.