CN211577264U

CN211577264U - Power sensor

Info

Publication number: CN211577264U
Application number: CN201922432563.9U
Authority: CN
Inventors: 张占伟
Original assignee: Tianjin Chengxin Huijin Technology Co ltd
Current assignee: Tianjin Chengxin Huijin Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-25
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a power sensor, including the sensor body, the sensor body includes the casing, the upside wall fixedly connected with cap of casing, its characterized in that: the inside wall fixedly connected with connecting plate of casing, the upside wall fixedly connected with wireless receiving arrangement of connecting plate, the downside wall fixedly connected with apron of casing, the rotation hole has been seted up to the inside wall of apron, the inside wall facial mounting in rotation hole has the elastic axis, the inside wall fixedly connected with wireless transmitting device of elastic axis, the downside wall fixedly connected with damping device of sensor body, this device is installed in original sensor bottom and is provided with the absorbing device, the device installation is simple, and is easy and simple to handle, when the sensor meets the external great application force in the external world, under spring elastic action, to the opposite direction release elasticity performance of power, slow down the release of external force to the sensor, in order to reduce the harm.

Description

Power sensor

Technical Field

The utility model relates to a sensor technical field specifically is a power sensor.

Background

The sensor is a detection device, can feel the information being measured, and can convert the information into electrical signals or other information output in required form according to a certain rule, so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power sensor 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: the utility model provides a power sensor, includes the sensor body, the sensor body includes the casing, the upside wall fixedly connected with cap of casing, the inside wall fixedly connected with connecting plate of casing, the upside wall fixedly connected with wireless receiving device of connecting plate, the downside wall fixedly connected with apron of casing, the rotation hole has been seted up to the inside wall of apron, the inside wall facial make-up in rotation hole has the elastic shaft, the inside wall fixedly connected with wireless transmitting device of elastic shaft, the downside wall fixedly connected with damping device of sensor body.

Preferably, damping device is including connecting the shell, the inside wall face and the first blotter of apron junction fixedly connected with of connecting the shell, the downside wall fixedly connected with boss of connecting the shell, the boss joint is in telescopic inside wall face, sleeve fixed connection is in the upside wall of bottom plate, the downside wall fixedly connected with connecting block of connecting the shell, the joint of connecting block is in the inside wall face of bottom plate.

Preferably, the elastic shaft comprises a square column, mounting plates are fixedly connected to two ends of the square column, a cylinder is fixedly connected to the outer side wall surface of each mounting plate, and a key groove is formed in the inner side wall surface of each cylinder.

Preferably, the inner side wall surface of the sleeve is fixedly connected with a second cushion pad.

Preferably, the connecting shell is connected with the bottom plate through a spring, and the spring is sleeved on the outer side wall surface of the connecting block.

Compared with the prior art, the beneficial effects of the utility model are that: the device is provided with the device for damping at the bottom of the original sensor, the device is simple to mount and simple and convenient to operate, when the sensor meets the external large applied force, the elastic performance is released in the opposite direction of the force under the elastic action of the spring, and the release of the external force to the sensor is slowed down so as to reduce the damage.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. the sensor comprises a sensor body, 11, a shell, 111, a rotating hole, 12, a shell cover, 13, a connecting plate, 14, a wireless receiving device, 15, a cover plate, 16, an elastic shaft, 161, a square column, 162, a mounting plate, 163, a cylinder, 164, a key groove, 17, a wireless transmitting device, 2, a damping device, 21, a connecting shell, 22, a first cushion pad, 23, a boss, 24, a bottom plate, 25, a connecting block, 26, a second cushion pad, 27, a spring, 28 and a sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a power sensor comprises a sensor body 1, the sensor body 1 comprises a shell 11, a shell cover 12 is fixedly connected to the upper side wall surface of the shell 11, a connecting plate 13 is fixedly connected to the inner side wall surface of the shell 11, a wireless receiving device 14 is fixedly connected to the upper side wall surface of the connecting plate 13, a cover plate 15 is fixedly connected to the lower side wall surface of the shell 11, a rotating hole 111 is formed in the inner side wall surface of the cover plate 15, an elastic shaft 16 is installed on the inner side wall surface of the rotating hole 111S, a wireless transmitting device 17 is fixedly connected to the inner side wall surface of the elastic shaft 16, a damping device 2 is fixedly connected to the lower side wall surface of the sensor body 1, when the power sensor is used, a main shaft of a motor and one end of the elastic shaft 16 are coaxially fixed, one end of an input shaft of a device to be measured and the other end of, the resistance value of the strain gauge fixedly connected to the square column 161 is changed, the wireless transmitting device 17 transmits signals, the wireless receiving device 14 receives the signals, and the measurement result is transmitted to the communication connector after the signals are processed by the microcontroller.

Specifically, the damping device 2 includes a connecting shell 21, a first cushion pad 22 is fixedly connected to a joint between an inner side wall surface of the connecting shell 21 and the cover plate 15, a boss 23 is fixedly connected to a lower side wall surface of the connecting shell 21, the boss 23 is connected to an inner side wall surface of the sleeve 28, the sleeve 28 is fixedly connected to an upper side wall surface of the base plate 24, a connecting block 25 is fixedly connected to a lower side wall surface of the connecting shell 21, the connecting block 25 is connected to an inner side wall surface of the base plate 24 in a clamping manner, when the sensor body 1 encounters an external force, the sensor body 1 is fixedly connected to the connecting shell 21, the first cushion pad 22 is fixedly connected therebetween, the connecting shell 21 is tightly connected to the sensor body 1, collision damage caused by mutual direct contact is reduced, when the sensor body 1 collides downwards, the boss 23 fixedly connected to the lower side wall surface of the connecting shell 21 slides downwards on the inner side wall surface of the, so that the sensor body 1 can be firmly clamped in the sleeve 28 to keep stable when keeping a normal state).

Specifically, the elastic shaft 16 includes a square column 161, two ends of the square column 161 are fixedly connected with a mounting plate 162, an outer wall surface of the mounting plate 162 is fixedly connected with a cylinder 163, a key slot 164 is formed in an inner wall surface of the cylinder 163, and the elastic shaft 16 is in key connection with a motor spindle or an input end through the key slot 164.

Specifically, the inner side wall surface of the sleeve 28 is fixedly connected with the second cushion pad 26, and when the bottom of the boss 23 contacts with the second cushion pad 26, the second cushion pad 26 buffers external force, so that the sensor body 1 does not cause severe vibration when touching.

Specifically, connecting shell 21 and bottom plate 24 pass through spring 27 to be connected, and spring 27 cup joints in the outside wall of connecting block 25, and when sensor body 1 descends, fixed connection is at the connecting block 25 of connecting shell 21 downside wall and slides downwards at the inside wall of bottom plate 24, and the spring 27 of cup jointing in connecting block 25 outside wall is compressed, and outside power opposite direction release elasticity can, makes sensor body 1 descend and slows down, and the injury that secondary dilution external force may cause.

The working principle is as follows: when the device is used, a main shaft of the motor and one end of the elastic shaft 16 are coaxially fixed, one end of an input shaft of a device to be measured and the other end of the elastic shaft 16 are coaxially fixed, the motor is started, the elastic shaft 16 is driven to rotate by the motor, the square column 161 is deformed by rotation, resistance values of strain gauges fixedly connected to the square column 161 are changed, the wireless transmitting device 17 transmits signals, the wireless receiving device 14 receives the signals, and the communication connector transmits measurement results of the wireless transmitting device and the wireless receiving device after the signals are processed by the microcontroller.

When meeting sensor body 1 and meeting external force, sensor body 1 and connecting shell 21 fixed connection, the first blotter 22 of fixedly connected with between them, it is inseparable to make connecting shell 21 be connected with sensor body 1, reduce the collision injury that mutual direct contact brought, when sensor body 1 collides downwards, fixed connection slides at the inside wall face of sleeve 28 at the boss 23 of connecting shell 21 downside wall face, (the bottom radius of boss 23 is slightly big, make sensor body 1 keep normal condition, can firm joint in the inside of sleeve 28, it is stable to keep, when the bottom of boss 23 contacts with second blotter 26, second blotter 26 cushions external force, no longer cause violent vibrations when making sensor body 1 touch the end.

When sensor body 1 descends, fixed connection is at the connecting block 25 of connecting shell 21 downside wall face and slides downwards at the inside wall face of bottom plate 24, cup joints the spring 27 at connecting block 25 outside wall face and is compressed, releases elasticity performance to the opposite direction of exogenic action, makes sensor body 1 descend and slows down, and the injury that secondary dilution external force may cause.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a power sensor, includes sensor body (1), sensor body (1) includes casing (11), the upside wall fixedly connected with cap (12) of casing (11), its characterized in that: the sensor comprises a shell (11), wherein the inner side wall face of the shell (11) is fixedly connected with a connecting plate (13), the upper side wall face of the connecting plate (13) is fixedly connected with a wireless receiving device (14), the lower side wall face of the shell (11) is fixedly connected with a cover plate (15), a rotating hole (111) is formed in the inner side wall face of the cover plate (15), an elastic shaft (16) is installed on the inner side wall face of the rotating hole (111), the inner side wall face of the elastic shaft (16) is fixedly connected with a wireless transmitting device (17), and the lower side wall face of the sensor body (1) is fixedly connected with a.

2. A power sensor as claimed in claim 1, wherein: damping device (2) are including connecting shell (21), the interior lateral wall face and the first blotter (22) of apron (15) junction fixedly connected with of connecting shell (21), the downside wall fixedly connected with boss (23) of connecting shell (21), boss (23) joint in the interior lateral wall face of sleeve (28), sleeve (28) fixed connection is in the upside wall face of bottom plate (24), the downside wall fixedly connected with connecting block (25) of connecting shell (21), the joint of connecting block (25) is in the interior lateral wall face of bottom plate (24).

3. A power sensor as claimed in claim 1, wherein: elastic shaft (16) are including square post (161), the both ends fixedly connected with mounting panel (162) of square post (161), the outside wall fixedly connected with cylinder (163) of mounting panel (162), keyway (164) have been seted up to the inside wall of cylinder (163).

4. A power sensor as claimed in claim 2, wherein: and a second cushion pad (26) is fixedly connected to the inner side wall surface of the sleeve (28).

5. A power sensor as claimed in claim 2, wherein: the connecting shell (21) is connected with the bottom plate (24) through a spring (27), and the spring (27) is sleeved on the outer side wall surface of the connecting block (25).