CN113029205B

CN113029205B - Electromagnetic absolute value multi-ring encoder never losing position

Info

Publication number: CN113029205B
Application number: CN202110255323.5A
Authority: CN
Inventors: 朱石金; 马鑫; 喻鸿儒; 严忠阳; 左洪波; 胡江
Original assignee: SHENZHEN SUNYE ELECTRIC CO Ltd
Current assignee: SHENZHEN SUNYE ELECTRIC CO Ltd
Priority date: 2021-03-09
Filing date: 2021-03-09
Publication date: 2022-09-23
Anticipated expiration: 2041-03-09
Also published as: CN113029205A

Abstract

The invention relates to the technical field of encoders, in particular to a permanent dislocation-free electromagnetic absolute value multi-turn encoder which comprises an encoder host, a chassis fixer, an encoder sensor, a main board and a battery compartment, wherein the chassis fixer is installed at the lower end of the encoder host, the encoder sensor is installed at the central position of the chassis fixer, the encoder sensor is connected with the encoder host, a working compartment is arranged inside the encoder host, the main board is installed inside the working compartment, the battery compartment is arranged at the upper end of the encoder host, and two groups of storage batteries are installed inside the battery compartment. The storage battery is arranged to supply power to the main board, so that the storage battery can be used for supplying power when the door machine is powered off, and the encoder host is used for detecting whether the encoder sensor displaces during the power-off period, so that the position of the door machine can be memorized in real time when the door machine displaces due to external factors during the power-off period.

Description

Electromagnetic absolute value multi-ring encoder never losing position

Technical Field

The invention relates to the technical field of encoders, in particular to an electromagnetic absolute value multi-turn encoder never losing position.

Background

The existing technical field of gantry crane encoders basically mainly use a mechanical multi-turn encoder or a single-turn encoder, the mechanical multi-turn encoder is short in service life, limited in stroke, low in precision and high in cost, the stroke of the single-turn encoder is short, the encoder can only be used for a gantry crane in one stroke, the encoder cannot be used for gantry cranes in large buildings and large storehouses, the electromagnetic absolute value multi-turn encoder can just solve the problem of the stroke of the gantry crane, the electromagnetic absolute value multi-turn encoder adopts a magnetic field angle sensor and is non-contact induction and free of mechanical abrasion, but when the gantry crane is in a power-off condition, the gantry crane can move due to external factors, so that the gantry crane stroke is out of position, and the problem is solved by the electromagnetic absolute value multi-turn encoder which never fails to be out of position.

Disclosure of Invention

The invention aims to provide a permanent-dislocation electromagnetic absolute value multi-turn encoder, which is used for solving the problem that when a gantry crane provided in the background art is in a power-off condition, the gantry crane moves due to external factors, so that the stroke of the gantry crane is dislocated.

In order to achieve the purpose, the invention provides the following technical scheme: an electromagnetic absolute value multi-turn encoder never losing position comprises an encoder host, a chassis fixer, an encoder sensor, a mainboard and a battery compartment, wherein the chassis fixer is installed at the lower end of the encoder host, the encoder sensor is installed at the central position of the chassis fixer, the encoder sensor is connected with the encoder host, a working bin is arranged inside the encoder host, the mainboard is installed inside the working bin, the battery compartment is arranged at the upper end of the encoder host, a positive gasket and a negative gasket are respectively installed on the inner walls of the front side and the rear side of the battery compartment, the positive gasket and the negative gasket are both connected with the mainboard, two groups of storage batteries are installed inside the battery compartment, a bin cover is installed at an opening of the battery compartment through a locking mechanism, copper sheets are vertically inserted into the middle end of the bin cover at equal intervals, and copper pressing plates are welded at the lower ends of the copper sheets, the lower surface of the copper pressing plate is attached to the storage battery, and the center of the lower end of the bin cover is connected with the copper pressing plate through a guide mechanism.

Preferably, the edge of storehouse lid veneer has the rubber ring, the opening part of battery compartment is seted up the seal groove with rubber ring looks adaptation.

Preferably, locking mechanical system includes the spring, the inner wall symmetry of battery compartment opening part has seted up movable groove, and the inside in movable groove transversely is provided with the spring, the opening part sliding connection in movable groove has the stopper, and the inner of stopper offsets with the end of spring, the outer end upper surface of stopper sets up to the slope form, set up the spacing groove with stopper looks adaptation on the cang gai, the opening in intercommunication movable groove is seted up to the upper surface of encoder host computer, and sliding connection has end block in the opening, the lower extreme and the stopper fixed connection of end block.

Preferably, the part of the copper sheet, which is positioned on the lower side of the bin cover, is arc-shaped, and grooves are uniformly formed in the surface of the part of the copper sheet, which is positioned on the upper side of the bin cover.

Preferably, two groups of arc-shaped grooves are formed in the lower surface of the copper pressing plate, and the inner diameters of the arc-shaped grooves are matched with the storage battery.

Preferably, guiding mechanism includes the guide bar, the central point of storehouse lid puts and has seted up the guide way, and vertical the inserting is equipped with the guide bar in the guide way, the lower extreme and the copper clamp plate fixed connection of guide bar, the spout has vertically been seted up to the outer wall of guide bar, the opening inner wall of guide way has inlayed the ball, and ball sliding connection in the spout.

Preferably, the lower surface of the end head of the guide rod is glued with a rubber pad, and the thickness of the rubber pad is less than two millimeters.

Compared with the prior art, the invention has the beneficial effects that: the electromagnetic absolute value multi-turn encoder never losing position supplies power to the main board by arranging the storage battery, so that the electromagnetic absolute value multi-turn encoder can supply power by using the storage battery when the door machine is powered off, and the encoder host detects whether the encoder sensor displaces or not during the power off period, thereby ensuring that the door machine can memorize the position of the door machine in real time when the door machine displaces due to external factors during the power off period, and ensuring that the door machine can safely run when being restarted;

fix the opening part at the battery compartment with the storehouse lid through setting up locking mechanical system to the cooperation rubber ring comes to seal the junction of storehouse lid and battery compartment opening part, causes harmful effects to the battery in order to avoid objects such as steam to get into the battery compartment, and the copper sheet can utilize the copper clamp plate to conduct the heat of battery and give the outside air with giving off in addition, in order to cool down the battery, causes the life of battery to obtain guaranteeing.

Description of the 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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic side sectional view of the structure of the present invention;

FIG. 3 is an enlarged partial view of A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged partial view of B of FIG. 3 according to the present invention;

FIG. 5 is an enlarged partial view of C of FIG. 3 according to the present invention;

FIG. 6 is a schematic partial cross-sectional view of D of FIG. 1 according to the present invention;

FIG. 7 is a schematic diagram of the operation flow of the encoder host according to the present invention.

In the figure: 1. an encoder host; 2. a chassis holder; 3. an encoder sensor; 4. a working bin; 5. a main board; 6. a battery compartment; 7. a positive electrode pad; 8. a negative electrode pad; 9. a storage battery; 10. a bin cover; 11. a rubber ring; 12. a movable groove; 13. a spring; 14. a limiting block; 15. a limiting groove; 16. an end-block; 17. a copper sheet; 18. a copper pressing plate; 19. a guide groove; 20. a guide bar; 21. a chute; 22. a ball bearing; 23. a rubber pad.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention is shown: an electromagnetic absolute value multi-turn encoder never losing position comprises an encoder host 1, a chassis fixer 2, an encoder inductor 3, a mainboard 5 and a battery compartment 6, wherein the chassis fixer 2 is installed at the lower end of the encoder host 1, the encoder inductor 3 is installed at the central position of the chassis fixer 2, the encoder inductor 3 is connected with the encoder host 1, a working compartment 4 is arranged inside the encoder host 1, the mainboard 5 is installed inside the working compartment 4, the battery compartment 6 is arranged at the upper end of the encoder host 1, a positive gasket 7 and a negative gasket 8 are respectively installed on the inner walls of the front side and the rear side of the battery compartment 6, the positive gasket 7 and the negative gasket 8 are both connected with the mainboard 5, two groups of storage batteries 9 are installed inside the battery compartment 6, a compartment cover 10 is installed at the opening of the battery compartment 6 through a locking mechanism, copper sheets 17 are inserted at the middle end of the compartment cover 10 at equal intervals, the lower end of the copper sheet 17 is welded with a copper pressing plate 18, the lower surface of the copper pressing plate 18 is attached to the storage battery 9, and the center position of the lower end of the bin cover 10 is connected with the copper pressing plate 18 through a guide mechanism;

furthermore, a rubber ring 11 is glued on the edge of the bin cover 10, and a sealing groove matched with the rubber ring 11 is formed in the opening of the battery bin 6, as shown in fig. 4 and 6, the structure is used for sealing the joint by using the rubber ring 11 when the bin cover 10 covers the opening of the battery bin 6, so that the adverse effect on the storage battery 9 caused by the fact that substances such as water vapor enter the battery bin 6 is avoided;

further, the locking mechanism comprises a spring 13, a movable groove 12 is symmetrically formed in the inner wall of the opening of the battery bin 6, the spring 13 is transversely arranged inside the movable groove 12, a limiting block 14 is connected to the opening of the movable groove 12 in a sliding mode, the inner end of the limiting block 14 abuts against the end of the spring 13, the upper surface of the outer end of the limiting block 14 is in an inclined shape, a limiting groove 15 matched with the limiting block 14 is formed in the bin cover 10, an opening communicated with the movable groove 12 is formed in the upper surface of the encoder main machine 1, an end block 16 is connected to the opening in a sliding mode, and the lower end of the end block 16 is fixedly connected with the limiting block 14, as shown in fig. 3 and 4, when the bin cover 10 is installed, the locking mechanism can be quickly locked, and the bin cover 10 is convenient to install and open;

furthermore, the part of the copper sheet 17, which is located on the lower side of the bin cover 10, is arc-shaped, and grooves are uniformly formed in the surface of the part of the copper sheet 17, which is located on the upper side of the bin cover 10, as shown in fig. 3 and 6, by the structure, when the bin cover 10 closes the battery bin 6, the copper pressing plate 18 can be attached to the storage battery 9 and bend the copper sheet 17, which is located between the bin cover 10 and the copper pressing plate 18, and the copper pressing plate 18 can be pushed by the copper sheet 17 through resilience, so that the storage battery 9 is pressed in the battery bin 6 by the copper pressing plate 18, and meanwhile, the contact area of the groove on the upper side surface of the copper sheet 17 and air can be increased, so that the heat exchange efficiency of the copper sheet 17 and air can be increased;

furthermore, two groups of arc-shaped grooves are formed in the lower surface of the copper pressing plate 18, and the inner diameters of the arc-shaped grooves are matched with the storage battery 9, as shown in fig. 6, the structure enables the copper pressing plate 18 to be attached to the surface of the storage battery 9, so that the storage battery 9 can be stably fixed by extrusion;

further, the guide mechanism comprises a guide rod 20, a guide groove 19 is formed in the center of the bin cover 10, the guide rod 20 is vertically inserted in the guide groove 19, the lower end of the guide rod 20 is fixedly connected with the copper pressing plate 18, a sliding groove 21 is vertically formed in the outer wall of the guide rod 20, a ball 22 is embedded in the inner wall of an opening of the guide groove 19, and the ball 22 is slidably connected in the sliding groove 21, as shown in fig. 3 and 5, the structure is used for guiding the movement of the copper pressing plate 18 and avoiding lateral deviation of the copper pressing plate 18;

further, the lower surface of the end of the guide rod 20 is glued with a rubber pad 23, and the thickness of the rubber pad 23 is less than two millimeters, as shown in fig. 5, the structure is used for preventing the end of the guide rod 20 from impacting the inner wall of the guide groove 19 when being reset downwards;

the working principle is as follows: when in use, the encoder sensor 3 and the encoder host 1 are firstly installed at the transmission output end of the motor or the speed reducer through the chassis fixer 2, the gantry crane is normally electrified to charge the encoder host 1, the encoder host 1 senses the initial position of the chassis fixer 2, the gantry crane driver reads the initial position identified by the encoder host 1 through communication to calibrate the initial position of the gantry crane, the gantry crane driver drives the gantry crane to run to the maximum stroke position of the gantry crane to calibrate the maximum stroke position of the gantry crane, the encoder host 1 detects the number of running turns along with the speed reducer or the transmission output part of the motor through the encoder sensor 3 in the running process of the gantry crane, thereby achieving the function of a multi-turn encoder, providing absolute value stroke data for the gantry crane through communication, the gantry crane can be accurately switched on and off, and the encoder host 1 automatically enters an ultra-low power consumption state when the gantry crane driver is in a power-off state, the storage battery 9 is adopted for supplying power, the encoder host 1 adopts a heartbeat frame mode to detect whether the encoder sensor 3 is displaced, and the position of the gantry crane can be memorized in real time when the gantry crane is displaced due to external factors;

when the encoder host 1 is powered by the storage battery 9, the storage battery 9 generates heat, the copper pressing plate 18 conducts the heat of the storage battery 9 to the copper sheet 17, the copper sheet 17 conducts the heat to the external air from bottom to top, the temperature is reduced by heat exchange, so that the service life of the storage battery 9 is prevented from being influenced by overheating, in addition, if the storage battery 9 needs to be disassembled or replaced, only two groups of end blocks 16 need to be pulled open oppositely, so that the end blocks 16 drive the limit blocks 14 to be accommodated in the movable grooves 12, meanwhile, the spring 13 is compressed when the limit blocks 14 move, after the end heads of the limit blocks 14 leave the limit grooves 15, the bin cover 10 can be taken out from the opening of the battery bin 6, the storage battery 9 is disassembled and replaced, and the like, after the outer wall is treated, the bin cover 10 is inserted in alignment with the battery bin 6, so that the rubber rings 11 are embedded into the sealing grooves, meanwhile, the bin cover 10 extrudes the inclined surface of the limit blocks 14, the limit blocks 14 are pushed into the movable grooves 12 and compress the spring 13, when the limiting block 14 is aligned with the limiting groove 15, the spring 13 in a compressed state pushes the limiting block 14 to be embedded into the limiting groove 15 through a rebound force, the copper pressing plate 18 is attached to the upper surface of the storage battery 9 in the process of mounting the bin cover 10, the copper pressing plate 18 is close to the bin cover 10 along with the continuous downward movement of the copper sheet 17, the copper sheet 17 between the bin cover 10 and the copper pressing plate 18 is stressed to bend, the guide rod 20 is pushed to move upwards along the guide groove 19, the balls 22 roll in the sliding groove 21 to guide the stroke of the guide rod 20, and the copper pressing plate 18 is pushed to the storage battery 9 through the rebound force when the copper sheet 17 bends, so that the storage battery 9 is pressed in the battery bin 6 through the copper pressing plate 18, and the storage battery 9 is prevented from loosening.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a many rings of encoders of electromagnetic type absolute value of never dislocation, includes encoder host computer (1), chassis fixer (2), encoder inductor (3), mainboard (5) and battery compartment (6), its characterized in that: the encoder is characterized in that a chassis fixer (2) is installed at the lower end of an encoder host (1), an encoder inductor (3) is installed at the center of the chassis fixer (2), the encoder inductor (3) is connected with the encoder host (1), a working bin (4) is arranged inside the encoder host (1), a mainboard (5) is installed inside the working bin (4), a battery bin (6) is arranged at the upper end of the encoder host (1), a positive gasket (7) and a negative gasket (8) are respectively installed on the inner walls of the front side and the rear side of the battery bin (6), the positive gasket (7) and the negative gasket (8) are both connected with the mainboard (5), two groups of storage batteries (9) are installed inside the battery bin (6), a bin cover (10) is installed at the opening of the battery bin (6) through a locking mechanism, copper sheets (17) are vertically inserted at the equal distance of the middle end of the bin cover (10), and the lower end of the copper sheet (17) is welded with a copper pressing plate (18), the lower surface of the copper pressing plate (18) is attached to the storage battery (9), and the center of the lower end of the bin cover (10) is connected with the copper pressing plate (18) through a guide mechanism.

2. A permanent electromagnetic absolute value multi-turn encoder according to claim 1, characterized in that: the edge of the bin cover (10) is glued with a rubber ring (11), and a sealing groove matched with the rubber ring (11) is formed in the opening of the battery bin (6).

3. The permanent electromagnetic absolute value multi-turn encoder according to claim 1, wherein: locking mechanical system includes spring (13), movable groove (12) have been seted up to the inner wall symmetry of battery compartment (6) opening part, and the inside in movable groove (12) transversely is provided with spring (13), the opening part sliding connection in movable groove (12) has stopper (14), and the inner of stopper (14) offsets with the end of spring (13), the outer end upper surface of stopper (14) sets up to the slope form, set up spacing groove (15) with stopper (14) looks adaptation on cang gai (10), the opening in intercommunication movable groove (12) is seted up to the upper surface of encoder host computer (1), and sliding connection has end block (16) in the opening, the lower extreme and stopper (14) fixed connection of end block (16).

4. A permanent electromagnetic absolute value multi-turn encoder according to claim 1, characterized in that: the part, located on the lower side of the bin cover (10), of the copper sheet (17) is arranged to be circular arc-shaped, and grooves are uniformly formed in the surface, located on the upper side of the bin cover (10), of the copper sheet (17).

5. A permanent electromagnetic absolute value multi-turn encoder according to claim 1, characterized in that: two groups of arc-shaped grooves are formed in the lower surface of the copper pressing plate (18), and the inner diameters of the arc-shaped grooves are matched with the storage battery (9).

6. The permanent electromagnetic absolute value multi-turn encoder according to claim 1, wherein: guiding mechanism includes guide bar (20), guide way (19) have been seted up to the central point of storehouse lid (10) puts, and vertical the inserting in guide way (19) is equipped with guide bar (20), the lower extreme and copper clamp plate (18) fixed connection of guide bar (20), spout (21) have vertically been seted up to the outer wall of guide bar (20), ball (22) have been inlayed to the opening inner wall of guide way (19), and ball (22) sliding connection in spout (21).

7. The permanent electromagnetic absolute value multi-turn encoder according to claim 6, wherein: the lower surface of the end head of the guide rod (20) is glued with a rubber pad (23), and the thickness of the rubber pad (23) is less than two millimeters.