CN209764309U - Torque sensor - Google Patents
Torque sensor Download PDFInfo
- Publication number
- CN209764309U CN209764309U CN201920822285.5U CN201920822285U CN209764309U CN 209764309 U CN209764309 U CN 209764309U CN 201920822285 U CN201920822285 U CN 201920822285U CN 209764309 U CN209764309 U CN 209764309U
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- torque sensor
- wireless
- electrically connected
- transmitting device
- converter
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Abstract
The utility model discloses a torque sensor, which comprises a housin, elastic shaft is connected to casing internal rotation cooperation, the epaxial foil gage that is equipped with of elasticity, wireless transmitting device, foil gage and wireless transmitting device electric connection still include wireless receiving device, and wireless receiving device is used for receiving the signal that wireless transmitting device sent. The utility model has the advantages that: the utility model provides a torque sensor you can direct output standard analog signal and communication, just the utility model discloses the interface is kept away in the setting, and the user can correspond according to the equipment interface of oneself and inserts, and the suitability is strong, can synchronous display moment of torsion, power, rotational speed isoparametric when using, can also adjust convenience of customers through adjustment button.
Description
Technical Field
the utility model relates to a sensor technical field especially relates to torque sensor.
Background
The torque sensor is used for detecting the sensing of the torsional moment on various rotating or non-rotating mechanical parts, and converts the physical change of the torsional force into an accurate electric signal; torque sensors are currently widely used in the field of measurement.
The torque sensor in the prior art usually adopts a mode that a sliding ring is in contact with a reed to transmit signals, the mechanical structure of the torque sensor is complex, and after the torque sensor is used for a long time, the sliding ring and the reed are abraded, so that the measurement precision of the torque sensor is influenced, and parts need to be replaced frequently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a torque sensor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The torque sensor comprises a shell, wherein an elastic shaft is connected in the shell in a rotating matching mode, a strain gauge and a wireless transmitting device are arranged on the elastic shaft, the strain gauge is electrically connected with the wireless transmitting device, and the torque sensor further comprises a wireless receiving device which is used for receiving signals sent by the wireless transmitting device.
Preferably, the both sides that the casing is relative all are equipped with the opening, all cooperate at every opening part and connect the apron, all are equipped with the rotation hole on every apron, the elastic shaft both ends set up respectively at two rotation downtheholely and can rotate at the rotation downthehole.
Preferably, the elastic shaft comprises two coaxially arranged cylinders, each cylinder faces to the mounting plate with the same fixed connection at one end of the other cylinder, the two mounting plates are fixedly connected with each other through a square column, the strain gauge is mounted on one side of the square column, and the wireless transmitting device is mounted on one side of the mounting plates.
Preferably, the upper side of the shell is provided with a shell cover.
Preferably, a connector is mounted on the housing cover, and the connector is electrically connected with the wireless receiving device.
Preferably, a display screen is mounted on the housing cover, and the display screen is electrically connected with the wireless receiving device.
Preferably, the wireless transmitting device comprises a first converter, the first converter is electrically connected with the strain gauge, the first converter is electrically connected with a first microcontroller, and the first microcontroller is electrically connected with the wireless transmitter.
preferably, the wireless receiving device includes a wireless receiver electrically connected to a second microcontroller, and the second microcontroller is electrically connected to the display screen, the second converter, the third converter and the connector respectively.
Preferably, the power supply mode of the wireless transmitting device adopts a storage battery power supply or a wireless charging device power supply.
Preferably, the casing upside is equipped with the mounting groove, fixed connection fixed plate in the mounting groove, wireless receiving device fixed connection be in the fixed plate upside.
The utility model has the advantages that: the utility model provides a torque sensor you can direct output standard analog signal and communication, just the utility model discloses the interface is kept away in the setting, and the user can correspond according to the equipment interface of oneself and inserts, and the suitability is strong, can synchronous display moment of torsion, power, rotational speed isoparametric when using, can also adjust convenience of customers through adjustment button.
Drawings
Fig. 1 is a schematic diagram of a basic structure of a torque sensor provided by the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an exploded view of FIG. 1;
FIG. 4 is a schematic view of the basic structure of the elastic shaft;
Fig. 5 is a schematic diagram of a basic structure of a wireless transmitting device;
Fig. 6 is a schematic diagram of a basic structure of a wireless receiving apparatus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-6, the utility model provides a torque sensor, including casing 1, the both sides that casing 1 is relative all are equipped with opening 12, all cooperate at every opening part and connect apron 2, all are equipped with on every apron 2 and rotate the hole, two rotate the coaxial setting in hole, the built-in elastic shaft 4 that has of casing 1, the 4 both ends of elastic shaft set up respectively at two rotation downtheholely, all are equipped with high-speed bearing 3 between every rotation hole and elastic shaft 4, and elastic shaft 4 rotates downthehole through high-speed bearing 3.
Elastic shaft 4 includes the cylinder 41 of two coaxial settings, is equipped with keyway 44 on the cylinder 41, and every cylinder 41 is towards the equal fixed connection mounting panel 43 of the one end of another cylinder 41, the square post 42 of fixed connection between two mounting panels 43, epoxy glue bonding foil gage 7 is passed through to the both sides that square post 42 is relative, and mounting panel 43 one side bonds fixed wireless transmitting device 8. Wireless transmitting device 8 includes first converter, first converter with foil gage 7 electric connection, first converter is the AD converter, its model number is LP3168, be used for converting foil gage 7's analog signal into digital signal, first converter electric connection first microcontroller, first microcontroller adopts STM32 singlechip, first microcontroller electric connection wireless transmitter, wireless transmitter is 2.4G wireless transmitter, first microcontroller is used for handling digital signal, and control wireless transmitter sends out the signal.
The upper side of the shell body 1 is provided with a shell cover 5, the shell cover 5 is provided with a connector 6, the shell cover 5 is provided with a display screen 10, the upper side of the shell body 1 is provided with a mounting groove 11, the mounting groove 11 is internally and symmetrically provided with fixed connecting plates 14, each connecting plate 14 is provided with a threaded hole, the mounting groove 11 is internally and fixedly connected with a fixed plate 91, the fixed plate 91 is fixedly connected in the threaded hole through a bolt, the upper side of the fixed plate 91 is fixedly connected with a wireless receiving device 9, the wireless receiving device 9 comprises a wireless receiver and a second microcontroller, the wireless receiver is in wireless signal transmission connection with the wireless transmitter and is used for receiving a signal sent by the wireless transmitter and transmitting the signal to the second microcontroller, the wireless receiver is electrically connected with the second microcontroller, the second microcontroller also adopts an STM32 single chip microcomputer, and the second, the second converter is a D/A converter, the third converter is RS485 communication, and the connector is an aviation plug. The second microcontroller is used for converting the signals received by the wireless receiver into signals corresponding to the display screen 10, the second converter, the third converter and the connector and outputting the signals. The torque, the revolution and the power can be displayed on the display screen 10, and an adjusting button for controlling the display screen 10 is also arranged on the shell cover 5.
the power supply mode of the wireless transmitting device 8 adopts the power supply of a storage battery or the power supply of a wireless charging device. When the storage battery is adopted for supplying power, the storage battery is arranged on the elastic shaft; when the wireless charging device power supply device is adopted, the wireless charging device is the prior art, the inner coil is arranged on the wireless transmitting device 8, the outer coil is further arranged on the shell, current passes through the outer coil, and the coil generates a magnetic field to generate induced electromotive force to the inner coil so as to generate current. Firstly, the direct current is inverted into alternating current, alternating current is provided for an external coil, the alternating current generates changing magnetic flux, an internal coil generates induced electromotive force, and an internal circuit performs rectification filtering on the alternating current to obtain a stable and available power supply. The specific connection and installation forms are prior art and are not described herein.
When the measuring device is used, the main shaft of the motor is coaxially fixed with one end of the elastic shaft, the input shaft of the measured device is coaxially fixed with the other end of the elastic shaft, the motor drives the elastic shaft to rotate, the measured device is driven to rotate, when the elastic shaft rotates, the square column 42 can be deformed in a torsion mode, the resistance value of the strain gauge 7 is changed, the analog signal of the strain gauge 7 is converted into a digital signal through the first converter, after the signal is processed through the first microcontroller, the first microcontroller controls the wireless transmitter to send out the signal, the signal sent by the wireless transmitter is received through the wireless receiver, and different communication connectors are selected to transmit the measuring result after the signal is processed through the second microcontroller.
Claims (10)
1. Torque sensor, including casing (1), elastic shaft (4), its characterized in that are connected to casing (1) normal running fit: the strain gauge is characterized in that the elastic shaft (4) is provided with a strain gauge (7) and a wireless transmitting device (8), the strain gauge (7) is electrically connected with the wireless transmitting device (8), the strain gauge further comprises a wireless receiving device (9), and the wireless receiving device (9) is used for receiving signals sent by the wireless transmitting device (8).
2. The torque sensor of claim 1, wherein: the two opposite sides of the shell (1) are provided with openings (12), each opening is matched with a connecting cover plate (2), each cover plate (2) is provided with a rotating hole, and two ends of the elastic shaft (4) are arranged in the two rotating holes respectively and can rotate in the rotating holes.
3. The torque sensor of claim 1, wherein: elastic shaft (4) include two coaxial cylinders (41) that set up, and every cylinder (41) is towards the equal fixed connection mounting panel (43) of one end of another cylinder (41), square post of fixed connection (42) between two mounting panels (43), install foil gage (7) square post (42) one side, install wireless transmitting device (8) mounting panel (43) one side.
4. The torque sensor of claim 1, wherein: a shell cover (5) is arranged on the upper side of the shell (1).
5. The torque sensor of claim 4, wherein: and the shell cover (5) is provided with a connector (6), and the connector (6) is electrically connected with the wireless receiving device (9).
6. The torque sensor of claim 4, wherein: and the shell cover (5) is provided with a display screen (10), and the display screen (10) is electrically connected with the wireless receiving device (9).
7. the torque sensor according to any one of claims 1 to 6, wherein: the wireless transmitting device (8) comprises a first converter, the first converter is electrically connected with the strain gauge (7), the first converter is electrically connected with a first microcontroller, and the first microcontroller is electrically connected with a wireless transmitter.
8. The torque sensor according to any one of claims 1 to 6, wherein: the wireless receiving device (9) comprises a wireless receiver, the wireless receiver is electrically connected with a second microcontroller, and the second microcontroller is respectively and electrically connected with the display screen 10, the second converter, the third converter and the connector.
9. The torque sensor according to any one of claims 1 to 6, wherein: the power supply mode of the wireless transmitting device (8) adopts the power supply of a storage battery or the power supply of a wireless charging device.
10. The torque sensor of claim 1, wherein: casing (1) upside is equipped with mounting groove (11), fixed connection fixed plate (91) in mounting groove (11), wireless receiving device (9) fixed connection be in fixed plate (91) upside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822285.5U CN209764309U (en) | 2019-06-03 | 2019-06-03 | Torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822285.5U CN209764309U (en) | 2019-06-03 | 2019-06-03 | Torque sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209764309U true CN209764309U (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920822285.5U Active CN209764309U (en) | 2019-06-03 | 2019-06-03 | Torque sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209764309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108403A (en) * | 2019-06-03 | 2019-08-09 | 蚌埠大洋传感系统工程有限公司 | Torque sensor |
| CN113899482A (en) * | 2021-09-30 | 2022-01-07 | 国网江苏省电力有限公司检修分公司 | Isolating switch main shaft torque measuring sensor and jamming defect detection method |
-
2019
- 2019-06-03 CN CN201920822285.5U patent/CN209764309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108403A (en) * | 2019-06-03 | 2019-08-09 | 蚌埠大洋传感系统工程有限公司 | Torque sensor |
| CN113899482A (en) * | 2021-09-30 | 2022-01-07 | 国网江苏省电力有限公司检修分公司 | Isolating switch main shaft torque measuring sensor and jamming defect detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: The torque sensor Effective date of registration: 20230427 Granted publication date: 20191210 Pledgee: Huishang Bank Co.,Ltd. Bengbu Xincheng sub branch Pledgor: BENGBU OCEAN SENSING SYSTEM ENGINEERING Co.,Ltd. Registration number: Y2023980039493 |