CN218098221U

CN218098221U - Vibration equipment with magnetic flux leakage monitoring and early warning functions

Info

Publication number: CN218098221U
Application number: CN202221628172.XU
Authority: CN
Inventors: 姜晨; 邵建利; 张允甲
Original assignee: Guangwu Institute Test Instrument Suzhou Co ltd
Current assignee: Guangwu Institute Test Instrument Suzhou Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-20
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a vibrating equipment with magnetic leakage control early warning function uses in the shaking table field, and its technical scheme main points are: comprises a vibration table, a shell for the vibration table and a power amplifier connected with the vibration table; the vibration table is connected with a magnetic leakage monitoring assembly, the magnetic leakage monitoring assembly comprises a magnetic induction sensor arranged in the vibration table and an analysis module connected with the magnetic induction sensor, and a magnetic leakage upper limit value is preset in the analysis module; the analysis module is connected with an alarm component, and the alarm component comprises an alarm lamp and an alarm buzzer which are arranged on the power amplifier; has the technical effects that: through setting up magnetic leakage control subassembly and warning subassembly, magnetic induction sensor acquires the magnetic leakage field signal in the shaking table, and analysis module judges whether the magnetic leakage exceeds standard, and power amplifier carries out power-off protection to the shaking table, and alarm lamp and warning buzzer then send the warning, and the suggestion staff maintains, prevents that the magnetic leakage from damaging by the sample, influence the test result.

Description

Vibration equipment with magnetic flux leakage monitoring and early warning functions

Technical Field

The utility model relates to a shaking table field, in particular to vibrating equipment with magnetic leakage control early warning function.

Background

The electric vibration test bed is equipment for simulating environmental vibration, and the vibration resistance of a product can be evaluated through a vibration test, so that a reasonable basis is provided for verifying or improving the quality of the product.

At present, the Chinese utility model with the bulletin number of CN201126398Y discloses an electric vibration table combined demagnetizing device, which comprises a demagnetizing coil and an upper cover shielding plate which are arranged in a table body of an electric working table, wherein the upper cover shielding plate is covered and fixed on the upper end surface of the upper cover and the inner surface or the outer surface of the lateral periphery.

Although the existing electric vibration test bed can realize the functions of vibration and electromagnetic shielding, in the actual use process, the existing shielding device often cannot completely shield magnetic leakage, the vibration table cannot monitor the magnetic leakage in real time, and the test result is influenced by the damage of a tested sample sensitive to magnetic field reaction when serious magnetic leakage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vibrating equipment with magnetic leakage control early warning function, its advantage is monitored the magnetic leakage, and effective protection is not hurt by test piece and personnel.

The above technical object of the present invention can be achieved by the following technical solutions: a vibrating device with a magnetic flux leakage monitoring and early warning function comprises a vibrating table, a shell for mounting the vibrating table and a power amplifier connected with the vibrating table; the vibration table is connected with a magnetic leakage monitoring assembly, the magnetic leakage monitoring assembly comprises a magnetic induction sensor arranged in the vibration table and an analysis module connected with the magnetic induction sensor, and a magnetic leakage protection index is preset in the analysis module; the analysis module is connected with an alarm assembly, and the alarm assembly comprises an alarm lamp and an alarm buzzer which are installed on the power amplifier.

According to the technical scheme, the magnetic induction sensor acquires a leakage magnetic field signal in the vibration table and transmits the signal to the analysis module; a magnetic leakage protection index is arranged in the analysis module, and after the intensity of the magnetic leakage signal exceeds the magnetic leakage protection index, an alarm signal is transmitted to the power amplifier and the alarm component; the power amplifier is connected with the vibration table and is used for power-off protection on the vibration table after receiving the alarm signal; the alarm lamp and the alarm buzzer send out an alarm to prompt a worker to maintain.

The utility model discloses further set up to: the vibration table comprises a table body, a lifting seat fixedly connected with the table body and a working table top fixedly connected with the lifting seat; an upper cover is arranged on the outer side of the working table top; the upper cover is provided with a dustproof ring; the upper cover cap is connected with the working table in a sliding mode.

Through the technical scheme, the lifting seat is fixedly connected with the working table top and drives the working table top to lift so as to achieve the purpose of vibration detection; the upper cover cap and the dustproof net are arranged on the outer side of the working table surface, so that dust and sundries are prevented from entering between the lifting seat and the table body and blocking relative sliding of the lifting seat and the table body.

The utility model discloses further set up to: a heat dissipation ring is arranged between the upper cover and the table body, and a plurality of heat dissipation holes are formed in the heat dissipation ring.

Through above-mentioned technical scheme, the heat dissipation ring sets up in the table surface outside, is convenient for dispel the heat in the stage body, prevents simultaneously that dust debris from getting into the stage body.

The utility model discloses further set up to: the vibration table is characterized in that a guide assembly is arranged in the vibration table, the guide assembly comprises a mounting sleeve detachably connected with the table body, a hinged plate hinged in the mounting sleeve, a guide pulley mounted on the hinged plate and far away from the hinged end, and a guide plate fixed on the outer side of the working table, and the guide pulley limits the sliding direction of the guide plate.

Through above-mentioned technical scheme, the deflector pulley and deflector butt when table surface slides, inject table surface's slip direction, slope when preventing table surface from sliding prevents that table surface and upper shield from colliding with simultaneously.

The utility model discloses further set up to: and a torsion spring is arranged between the hinged plate and the mounting sleeve.

Through the technical scheme, the arrangement of the torsion spring facilitates the resetting of the hinged plate.

The utility model discloses further set up to: the platform body is provided with a limiting seat, and the limiting seat is fixedly connected with the mounting sleeve through a bolt; the limiting seat is evenly distributed along the circumferential direction of the mounting sleeve.

Through the technical scheme, the limiting seat is connected with the mounting sleeve, so that the mounting sleeve is convenient to disassemble, and the guide assembly is convenient to overhaul and replace; spacing seat is provided with a plurality ofly, reinforcing installation sleeve's stability.

The utility model discloses further set up to: the magnetic induction sensor is a Hall sensor and is fixed on the outer side of the mounting sleeve.

Through the technical scheme, the Hall sensor can generate Hall voltage in a magnetic field due to Hall effect, and the magnetic induction intensity is determined according to a Hall voltage formula and a known Hall coefficient after the Hall voltage is measured.

The utility model discloses further set up to: and a demagnetizing coil is arranged in the mounting sleeve.

Through the technical scheme, the demagnetizing coil reduces the magnetic leakage strength and reduces the damage of the magnetic leakage to the tested sample.

To sum up, the utility model discloses following beneficial effect has:

through setting up magnetic leakage control subassembly and warning subassembly, magnetic induction sensor acquires the magnetic leakage field signal in the shaking table, and analysis module judges whether the magnetic leakage exceeds standard, and power amplifier carries out power-off protection to the shaking table, and alarm lamp and warning buzzer then send the warning, and the suggestion staff maintains, prevents that the magnetic leakage from damaging by the sample, influence the test result.

Drawings

FIG. 1 is an overall configuration diagram of the present embodiment;

fig. 2 is a schematic sectional structure diagram of the vibration table of the present embodiment.

Reference numerals: 1. a vibration table; 2. a housing; 3. a power amplifier; 6. a base; 7. a support wall; 8. a table body; 9. lifting the seat; 10. a work table; 11. a guide cylinder; 12. a heat dissipating ring; 13. an upper cover; 14. a dust ring; 15. a guide assembly; 16. a guide plate; 17. a guide pulley; 18. a hinge plate; 19. installing a sleeve; 20. a torsion spring; 21. a limiting seat; 22. a magnetic induction sensor; 23. an alarm lamp; 24. a degaussing coil.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1 and 2, a vibration device with a magnetic flux leakage monitoring and early warning function includes a vibration table 1, a housing 2 for mounting the vibration table 1, a power amplifier 3 disposed at one side of the vibration table 1, a magnetic flux leakage monitoring component connected to the vibration table 1, and an alarm component connected to the magnetic flux leakage monitoring component; the vibration table 1 provides vibration capability to drive the sample to be tested to vibrate; the power amplifier 3 is connected with the vibration table 1 and controls the vibration table 1 to act; the magnetic flux leakage monitoring component monitors the magnetic flux leakage phenomenon inside the vibration table 1; the alarm assembly sends out an alarm signal after the magnetic leakage exceeds a limit value.

Referring to fig. 1 and 2, the housing 2 includes a base 6 and a supporting wall 7 mounted on the base 6, and the base 6 is provided with a weight-reducing groove; the vibration table 1 comprises a table body 8 fixedly connected with a support wall 7, a lifting seat 9 connected with the table body 8 in a sliding manner, and a working table surface 10 fixedly connected with the lifting seat 9, a vibration device is arranged in the base 6, the vibration device drives the lifting frame to slide up and down along the table body 8, and the vibration device is not specifically shown; the working table 10 is disc-shaped, and the working table 10 is provided with a connecting bolt; a guide cylinder 11 extends below the outer side of the working table top 10, and the guide cylinder 11 is horn-shaped; a heat dissipation ring 12 and an upper cover 13 are arranged above the table body 8, the outer wall of the table body 8 extends upwards along the circumferential direction, and the heat dissipation ring 12 is inserted on the table body 8 and fixed with the table body 8 through bolts; a plurality of heat dissipation holes are formed in the heat dissipation ring 12, insertion blocks are arranged at two ends of the heat dissipation ring 12, and insertion grooves are formed in the upper cover 13 and the platform body 8; the upper cover cap 13 is fixedly connected with the heat dissipation ring 12 through bolts, and a through hole is formed in the upper cover cap 13 and used for the working table top 10 to slide out; a dustproof ring 14 is arranged between the upper cover 13 and the working table surface 10, and the dustproof ring 14 is fixedly connected with the upper cover 13, such as adhesion connection; the dust ring 14 is disposed outside the work table 10 and abuts against the work table 10.

Referring to fig. 1 and 2, a guide assembly 15 is installed in the vibration table 1, and the guide assembly 15 comprises a guide plate 16 fixed on the guide cylinder 11, a guide pulley 17 in rolling connection with the guide plate 16, a hinge plate 18 in rotating connection with the guide pulley 17, and a mounting sleeve 19 for mounting the hinge plate 18; a plurality of guide plates 16 are uniformly arranged along the circumferential direction of the guide cylinder 11, and preferably four or six guide plates are arranged; the guide plate 16 is arranged in an arc shape, and the radian is consistent with that of the guide cylinder 11; the guide pulleys 17 and the guide plates 16 are arranged in a one-to-one correspondence manner, and the guide plates 16 are inserted into pulley grooves of the guide pulleys 17; one end of the hinged plate 18 is provided with a hinged seat which is fixedly connected with the mounting sleeve 19, the other end of the hinged plate is provided with a rotating seat, and the guide pulley 17 is rotatably arranged on the rotating seat; a torsion spring 20 is mounted on the hinge column of the hinge seat, and two arms of the torsion spring 20 respectively abut against the mounting sleeve 19 and the hinge plate 18; the mounting sleeve 19 is detachably connected with the table body 8, a plurality of limiting seats 21 are mounted above the table body 8, and the limiting seats 21 are fixedly connected with the table body 8, such as bonding or bolt connection; the limiting seat 21 is abutted against the outer side of the mounting sleeve 19, and the limiting seat 21 is fixedly connected with the mounting sleeve 19 through a bolt; a degaussing coil 24 is also mounted on the mounting sleeve 19.

Referring to fig. 1 and 2, the magnetic flux leakage monitoring assembly includes a magnetic induction sensor 22 installed above the stage body 8 and an analysis module installed in the power amplifier 3, the magnetic induction sensor 22 is a hall sensor, the magnetic induction sensor 22 is arranged at a position close to the outer side of the stage body 8, and the magnetic induction sensor 22 abuts against the heat dissipation ring 12; the analysis module is internally provided with a magnetic leakage protection index in advance; the alarm component comprises an alarm lamp 23 and an alarm buzzer which are arranged on the power amplifier 3, and the alarm lamp 23 and the alarm buzzer are connected with the analysis module.

The using process is briefly described as follows: the magnetic induction sensor 22 acquires a leakage magnetic field signal, generates a hall voltage in a magnetic field due to a hall effect, and transmits the hall voltage to the analysis module, and the analysis module determines the magnitude of magnetic induction intensity according to a hall voltage formula and a known hall coefficient and compares the magnitude with a leakage magnetic protection index preset by the analysis module; if the magnetic induction intensity is greater than the magnetic leakage protection index, the analysis module transmits an alarm signal to the power amplifier 3, the alarm lamp 23 and the alarm buzzer, the power amplifier 3 controls the vibration table 1 to stop, and the alarm lamp 23 and the alarm buzzer send out the alarm signal.

The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

Claims

1. A vibrating device with a magnetic flux leakage monitoring and early warning function comprises a vibrating table (1), a shell (2) for mounting the vibrating table (1) and a power amplifier (3) connected with the vibrating table (1);

the magnetic flux leakage monitoring device is characterized in that the vibration table (1) is connected with a magnetic flux leakage monitoring assembly, the magnetic flux leakage monitoring assembly comprises a magnetic induction sensor (22) installed in the vibration table (1) and an analysis module connected with the magnetic induction sensor (22), and magnetic flux leakage protection indexes are preset in the analysis module; the analysis module is connected with an alarm assembly, and the alarm assembly comprises an alarm lamp (23) and an alarm buzzer, wherein the alarm lamp (23) and the alarm buzzer are installed on the power amplifier (3).

2. The vibrating device with the magnetic flux leakage monitoring and early warning function according to claim 1, wherein the vibrating table (1) comprises a table body (8), a lifting seat (9) fixedly connected with the table body (8) and a working table top (10) fixedly connected with the lifting seat (9); an upper cover (13) is arranged on the outer side of the working table top (10); the upper cover (13) is provided with a dustproof ring (14); the upper cover (13) is connected with the working table top (10) in a sliding manner.

3. The vibrating equipment with the magnetic flux leakage monitoring and early warning functions as claimed in claim 2, wherein a heat dissipation ring (12) is arranged between the upper cover (13) and the platform body (8), and a plurality of heat dissipation holes are formed in the heat dissipation ring (12).

4. The vibrating equipment with the magnetic flux leakage monitoring and early warning functions is characterized in that a guide assembly (15) is arranged in the vibrating table (1), the guide assembly (15) comprises a mounting sleeve (19) detachably connected with the table body (8), a hinge plate (18) hinged in the mounting sleeve (19), a guide pulley (17) mounted on the hinge plate (18) far away from the hinge end and a guide plate (16) fixed on the outer side of the working table top (10), and the guide pulley (17) defines the sliding direction of the guide plate (16).

5. A vibrating device with a magnetic flux leakage monitoring and early warning function according to claim 4, characterized in that a torsion spring (20) is arranged between the hinge plate (18) and the mounting sleeve (19).

6. The vibrating equipment with the magnetic flux leakage monitoring and early warning function according to claim 4 or 5, wherein a limiting seat (21) is mounted on the table body (8), and the limiting seat (21) is fixedly connected with the mounting sleeve (19) through a bolt; a plurality of limiting seats (21) are uniformly distributed along the circumferential direction of the mounting sleeve (19).

7. The vibrating device with magnetic flux leakage monitoring and pre-warning function according to claim 6, wherein the magnetic induction sensor (22) is a Hall sensor, and the magnetic induction sensor (22) is fixed outside the mounting sleeve (19).

8. A vibrating device with a magnetic flux leakage monitoring and warning function according to claim 7, wherein a degaussing coil (24) is installed in the installation sleeve (19).