CN217901785U - Torque and rotating speed measuring device for motor - Google Patents

Abstract

The utility model belongs to the technical field of the motor is measured, specifically disclose a torque and rotation speed measuring device for motor, including square casing, speed sensor, torque sensor and protection casket, one side of square casing is inlayed and is established and install two dustproof endothecas, and two cable data line's aviation plug arranges respectively in two dustproof endothecas to through expanding spring and the dustproof endotheca swing joint who corresponds. The utility model has simple integral structure and high integration level, the aviation plug can be hidden in the dustproof inner sleeve when not in use, the possibility of corrosion caused by the exposed aviation plug is reduced, and simultaneously, one end of the cable data line is firmly connected with the integrated signal conversion element through the integrated connector without plugging, thereby ensuring the accuracy of signal transmission; accomodate rotational speed sensor and torque sensor through accomodating the drawer, convenient better carrying shoulders department through the elasticity, improves the convenience of carrying.

Description

Torque and rotating speed measuring device for motor

Technical Field

The utility model relates to a technical field is measured to the motor, specifically is a torque and rotation speed measuring device for motor.

Background

The motor is widely applied to industrial and agricultural production and daily life of people. Torque and rotational speed are two important parameters of an electric machine. If the motor is frequently in an overload state in the running process, the motor can be damaged; if the motor runs at an overspeed in the running process, the runaway accident is easy to happen, so that not only is the economic loss caused, but also the casualties are more likely to be caused. Therefore, the torque and the rotating speed of the motor are required to be measured whether the motor is produced and tested or the motor is in use.

The existing measuring device is complex in structure and inconvenient to carry, needs a plurality of connecting wires when measuring the rotating speed and the torque, and is inconvenient to store and easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a torque and rotation speed measuring device for motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a torque and rotation speed measuring device for a motor comprises a square shell, a rotation speed sensor, a torque sensor and a protection box, wherein the protection box is fixedly installed inside the square shell, a PCB (printed circuit board) is fixedly installed inside the protection box, a single chip microcomputer is integrally installed on the surface of the PCB, an integrated signal conversion element is fixedly installed at an input pin of the single chip microcomputer, an integrated connector connected with the integrated signal conversion element is fixedly installed outside the protection box, two cable data lines are connected onto the integrated connector, aviation plugs are fixedly connected to the tail ends of the two cable data lines, and one ends of the two aviation plugs are respectively matched and plugged with the rotation speed sensor and the torque sensor; the utility model discloses a cable data line, including square casing, dust-proof endotheca, telescopic spring, two cable data line's aviation plug is arranged in two dust-proof endotheca respectively to the embedded display screen and the start button of installing of square casing top surface are all installed to one side inlays to establish and install two symmetrical dust-proof endotheca, and telescopic spring is all installed to the inside of two dust-proof endotheca, and in two dust-proof endotheca were arranged respectively to the aviation plug of two cable data line to through telescopic spring and the dust-proof endotheca swing joint that corresponds.

Preferably, a containing cavity is formed in the side face of the square shell, and a containing drawer is movably connected inside the containing cavity.

Preferably, the top parts of the two side surfaces of the square shell are fixedly provided with connecting joints, and an elastic shoulder strap is movably connected between the two connecting joints.

Preferably, the dustproof inner sleeves are of a long-tube-shaped structure, one end of each dustproof inner sleeve is inserted into the square shell, the other end of each dustproof inner sleeve is flush with the outer side face of the square shell, spoke-type rubber contact strips are arranged at openings at two ends of each dustproof inner sleeve, the telescopic springs are sleeved outside the cable data lines, one ends of the telescopic springs are connected with the rubber contact strips of the dustproof inner sleeves, the other ends of the telescopic springs are connected with the aviation plugs, and a circle of dustproof cotton pads are fixedly connected at the outer openings of the two dustproof inner sleeves.

Preferably, the top surface of the square shell is movably connected with a leather dust guard, and the display screen and the start button are covered by the leather dust guard.

Preferably, coupling sleeves are fixedly mounted at two ends of the torque sensor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model has simple integral structure and high integration level, the aviation plug can be hidden in the dustproof inner sleeve when not in use, the possibility of corrosion caused by the exposed aviation plug is reduced, and simultaneously, one end of the cable data line is firmly connected with the integrated signal conversion element through the integrated connector without plugging, thereby ensuring the accuracy of signal transmission; accomodate rotational speed sensor and torque sensor through accomodating the drawer, convenient better carrying is conveniently born shoulder department through the elastic shoulder strap, improves the convenience of carrying.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the internal structure of the square housing of the present invention;

fig. 3 is a schematic view of the external structure of the square housing of the present invention.

In the figure: 1. a square housing; 2. a leather dust guard; 3. connecting a joint; 4. an elastic shoulder strap; 5. a receiving cavity; 6. a storage drawer; 7. a dustproof inner sleeve; 8. a rotational speed sensor; 9. a torque sensor; 10. a coupling sleeve; 11. a protective box; 12. a PCB main board; 13. a single chip microcomputer; 14. an integrated signal conversion element; 15. an integrated joint; 16. a cable data line; 17. an aviation plug; 18. a tension spring; 19. a display screen; 20. the button is actuated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a torque and rotation speed measuring device for a motor comprises a square shell 1, a rotation speed sensor 8, a torque sensor 9 and a protection box 11, wherein the protection box 11 is fixedly installed inside the square shell 1, a PCB (printed circuit board) 12 is fixedly installed inside the protection box 11, a single chip microcomputer 13 is integrally installed on the surface of the PCB 12, an integrated signal conversion element 14 is fixedly installed at an input pin of the single chip microcomputer 13, an integrated connector 15 connected with the integrated signal conversion element 14 is fixedly installed outside the protection box 11, two cable data lines 16 are connected onto the integrated connector 15, the tail ends of the two cable data lines 16 are fixedly connected with aviation plugs 17, and one ends of the two aviation plugs 17 are respectively matched and spliced with the rotation speed sensor 8 and the torque sensor 9; one side of the square shell 1 is embedded with two symmetrical dustproof inner sleeves 7, the two dustproof inner sleeves 7 are internally provided with telescopic springs 18, the aviation plugs 17 of the two cable data lines 16 are respectively arranged in the two dustproof inner sleeves 7 and are movably connected with the corresponding dustproof inner sleeves 7 through the telescopic springs 18, and the top surface of the square shell 1 is embedded with a display screen 19 and a start button 20.

Furthermore, the side of square casing 1 has been seted up and has been accomodate chamber 5, the inside swing joint who accomodates chamber 5 has accomodates drawer 6, and the purpose that sets up like this is convenient for accomodate speed sensor 8 and torque sensor 9, convenient better carrying.

Furthermore, the top parts of the two side surfaces of the square shell 1 are fixedly provided with the connecting joints 3, and the elastic shoulder straps 4 are movably connected between the two connecting joints 3, so that the square shell is convenient to bear on the shoulders, and the carrying convenience is improved.

Furthermore, the dustproof inner sleeves 7 are of a long-tube-shaped structure, one end of each dustproof inner sleeve 7 is inserted into the square shell 1, the other end of each dustproof inner sleeve is flush with the outer side face of the square shell 1, spoke-type rubber contact strips are arranged at openings at two ends of each dustproof inner sleeve 7, the telescopic springs 18 are sleeved outside the cable data lines 16, one end of each dustproof inner sleeve is connected with the rubber contact strips of the dustproof inner sleeves 7, the other end of each dustproof inner sleeve is connected with the aviation plug 17, and the outer openings of the two dustproof inner sleeves 7 are fixedly connected with a circle of dustproof cotton pads.

Further, the top surface swing joint of square casing 1 has leather dust guard 2, and leather dust guard 2 covers display screen 19 and start button 20, improves the dustproof effect of display screen 19 and two start button 20.

Furthermore, both ends of the torque sensor 9 are fixedly provided with coupling sleeves 10, so that the torque sensor 9 can be quickly connected to an output shaft and a load transmission shaft.

The working principle is as follows:

when the device is used, the rotating speed sensor 8 and the torque sensor 9 are taken out of the storage drawer 6, two aviation plugs 17 are taken out of the dustproof inner sleeve 7 by using the resilience of the telescopic spring 18 and are respectively connected with the rotating speed sensor 8 and the torque sensor 9 in an inserting manner, finally, the rotating speed sensor 8 and the torque sensor 9 are sequentially installed at the output shaft corresponding to the motor, and two starting buttons 20 are started for measurement; A5V power supply can be arranged in the square shell 1 for supplying power.

When the portable backpack is not used, the rotating speed sensor 8 and the torque sensor 9 can be detached and placed in the storage drawer 6, so that the rotating speed sensor 8 and the torque sensor 9 can be conveniently stored and better carried, and the portable backpack is convenient to carry on shoulders through the elastic shoulder straps 4, and the carrying convenience is improved; aviation plug 17 hides in dustproof endotheca 7 when not using, and its one end is contradicted the strip butt with the rubber of dustproof endotheca 7 outer port department, and the other end compresses expanding spring 18, is convenient for better protection and accomodates aviation plug 17, reduces aviation plug 17 and exposes and causes the possibility of corruption outward, makes cable data line 16 one end pass through integrated form joint 15 and integrated form signal conversion component 14 firm connection simultaneously, need not the plug, guarantees the accuracy of signal transmission.

The integrated signal conversion element 14 is an integrated signal converter, optionally of the type ZHC848.

It is worth noting that: the whole device realizes control to the device through the start button 20, and since the equipment matched with the control button is common equipment, the device belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure are not repeated herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The torque and rotating speed measuring device for the motor is characterized by comprising a square shell (1), a rotating speed sensor (8), a torque sensor (9) and a protection box (11), wherein the protection box (11) is fixedly installed inside the square shell (1), a PCB (printed circuit board) main board (12) is fixedly installed inside the protection box (11), a single chip microcomputer (13) is integrally installed on the surface of the PCB main board (12), an integrated signal conversion element (14) is fixedly installed at an input pin of the single chip microcomputer (13), an integrated connector (15) connected with the integrated signal conversion element (14) is fixedly installed outside the protection box (11), two cable data lines (16) are connected onto the integrated connector (15), the tail ends of the two cable data lines (16) are fixedly connected with aviation plugs (17), and one ends of the two aviation plugs (17) are respectively matched and plugged with the rotating speed sensor (8) and the torque sensor (9); one side of square shell (1) inlays establishes dustproof endotheca (7) of installing two symmetries, and expanding spring (18) are all installed to the inside of two dustproof endothecas (7), and in two dustproof endothecas (7) were arranged respectively in aviation plug (17) of two cable data line (16) to through expanding spring (18) and the dustproof endotheca (7) swing joint who corresponds, embedded display screen (19) and the start button (20) of installing of square shell (1) top surface.

2. A torque rotational speed measuring apparatus for an electric motor according to claim 1, wherein: the side of the square shell (1) is provided with a storage cavity (5), and a storage drawer (6) is movably connected inside the storage cavity (5).

3. A torque rotational speed measuring apparatus for an electric motor according to claim 1, wherein: the top parts of two side surfaces of the square shell (1) are fixedly provided with connecting joints (3), and an elastic shoulder strap (4) is movably connected between the two connecting joints (3).

4. A torque rotational speed measuring apparatus for an electric motor according to claim 1, wherein: the dustproof inner sleeves (7) are of a long-tube-shaped structure, one end of each dustproof inner sleeve (7) is inserted into the square shell (1), the other end of each dustproof inner sleeve is flush with the outer side face of the square shell (1), spoke-type rubber touch strips are arranged at openings at two ends of each dustproof inner sleeve (7), the telescopic springs (18) are sleeved outside the cable data lines (16), one end of each dustproof inner sleeve is connected with the rubber touch strips of the dustproof inner sleeves (7), the other end of each dustproof inner sleeve is connected with the aviation plug (17), and a circle of dustproof cotton pad is fixedly connected at the outer openings of the two dustproof inner sleeves (7).

5. A torque rotational speed measuring apparatus for an electric motor according to claim 1, wherein: the top surface swing joint of square casing (1) has leather dust guard (2), and leather dust guard (2) cover display screen (19) and start button (20).

6. A torque rotational speed measuring apparatus for an electric motor according to claim 1, wherein: and coupling sleeves (10) are fixedly mounted at two ends of the torque sensor (9).

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