CN219328480U

CN219328480U - Digital module with force measurement and dip angle data acquisition functions

Info

Publication number: CN219328480U
Application number: CN202320724136.1U
Authority: CN
Inventors: 高徽; 黄赈鑫
Original assignee: Anhui Tianguang Sensor Co ltd
Current assignee: Anhui Tianguang Sensor Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-11
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a digital module with force measurement and inclination angle data acquisition functions, which comprises a PCB (printed circuit board), a power supply voltage stabilizing circuit, a singlechip, an AD (analog-to-digital) conversion module, a digital inclination angle sensor, a communication module and a force measurement sensor, wherein the power supply voltage stabilizing circuit, the singlechip, the AD conversion module, the digital inclination angle sensor and the communication module are integrated on the PCB; the power supply voltage stabilizing circuit outputs a 3.3V power supply to supply power to the singlechip, the AD conversion module, the digital inclination angle sensor, the communication module and the force transducer; the differential signal input end of the AD conversion module is connected with the output end of the force transducer, and the digital signal output end of the AD conversion module, the digital signal output end of the digital inclination angle sensor and the communication module are all connected with the singlechip. The utility model can be directly connected with an upper computer in a communication way, realizes the acquisition of force measurement and inclination angle data, and has small volume and simple structure.

Description

Digital module with force measurement and dip angle data acquisition functions

Technical Field

The utility model relates to the technical field of digital modules, in particular to a digital module with the functions of measuring force and collecting inclination angle data.

Background

Conventional digital modules can only output a single digital signal under fixed conditions. Such as weight signals, displacement signals, torque signals, etc. When complex and severe environments are met and multiple signals are required to be output simultaneously, the existing digital module cannot meet the requirement of simultaneous output of multiple signals. In order to meet the requirement of collecting and outputting multiple signals, multiple devices and multiple peripheral circuits are required to cooperate with each other. This makes the digital module not only excessively large in total volume, complicated in structure, but also cumbersome to use and operate.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a digital module with the functions of measuring force and collecting tilt angle data, which can be directly connected with an upper computer in a communication way to collect the force measuring and tilt angle data, and has the advantages of small volume and simple structure.

The technical scheme of the utility model is as follows:

the digital module with the functions of measuring force and collecting inclination angle data comprises a PCB, a power supply voltage stabilizing circuit, a singlechip, an AD conversion module, a digital inclination angle sensor, a communication module and a force sensor, wherein the power supply voltage stabilizing circuit, the singlechip, the AD conversion module, the digital inclination angle sensor and the communication module are integrated on the PCB; the power supply voltage stabilizing circuit outputs a 3.3V power supply to supply power to the singlechip, the AD conversion module, the digital inclination angle sensor, the communication module and the force transducer; the output end of the force transducer is connected with the differential signal input end of the AD conversion module, and the digital signal output end of the AD conversion module, the digital signal output end of the digital inclination sensor and the communication module are all connected with the singlechip.

The power supply voltage stabilizing circuit comprises a linear voltage stabilizer with the model number of LP2951-33DR, wherein the input voltage of the linear voltage stabilizer is 12-24V, and the output voltage of the linear voltage stabilizer is 3.3V.

The digital inclination angle sensor is a digital inclination angle sensor with a built-in temperature sensor.

The digital inclination angle sensor is a digital inclination angle sensor with model numbers SCL 3300-D01.

And the communication module is an RS485 communication module.

The utility model has the advantages that:

in the utility model, other parts except the force transducer are integrated on the PCB, the volume of the PCB is small, and the integrated modularized design ensures that the circuit connection is simple and reliable, the volume is small, and the structure is simple.

The power supply voltage stabilizing circuit adopts the linear voltage stabilizer with the model number of LP2951-33DR, realizes the normal operation of the power supply voltage stabilizing circuit in the power supply range of 12-24V, has the output voltage of 3.3V, and can directly supply power to the singlechip, the AD conversion module, the digital inclination angle sensor, the communication module and the force transducer, so that the total power consumption of the power supply voltage stabilizing circuit does not exceed 40mA, and the PCB has small heat and less temperature drift.

The digital inclination sensor provided by the utility model is a digital inclination sensor with a built-in temperature sensor, can realize the acquisition of the ambient temperature at the same time, is in communication connection with the upper computer by adopting the communication module, can output the acquired force measurement data, inclination data and temperature data to the upper computer by adopting one communication interface of the communication module, and can realize the display of a plurality of acquired data by the upper computer.

Drawings

Fig. 1 is a functional block diagram of the present utility model.

Fig. 2 is a circuit diagram of a power supply voltage stabilizing circuit of the present utility model.

FIG. 3 is a circuit diagram of a single chip microcomputer according to the present utility model.

Fig. 4 is a circuit diagram of the AD conversion module of the present utility model.

Fig. 5 is a circuit diagram of the digital tilt sensor of the present utility model.

Fig. 6 is a circuit diagram of the RS485 communication module of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, a digital module with force measurement and dip angle data acquisition functions comprises a PCB board 1, a power supply voltage stabilizing circuit integrated on the PCB board 1, a single chip microcomputer U1 (model STC12LE5616 AD), an AD conversion module U2 (model AD 31232), a digital dip angle sensor U4, an RS485 communication module U5, and a force sensor 2.

The power supply voltage stabilizing circuit comprises a linear voltage stabilizer U3 with the model number of LP2951-33DR, a fuse F1, a voltage stabilizing diode D1 and a polarity capacitor D6, wherein one end of the fuse F1 is connected with a power supply input end VIN, the input voltage of the power supply input end VIN is 12-24V, the negative electrode of the voltage stabilizing diode D1, the positive electrode of the polarity capacitor D6 and the input end of the linear voltage stabilizer U3 are connected with the other end of the fuse F1, the positive electrode of the voltage stabilizing diode D1 and the negative electrode of the polarity capacitor D6 are grounded, and the output end of the linear voltage stabilizer U3 outputs a 3.3V power supply to the singlechip 12, the AD conversion module 13, the digital inclination angle sensor 14, the RS485 communication module 15 and the force transducer 2 for supplying power.

The output end of the force transducer is connected with the differential signal input end SIN+ and SIN-of the AD conversion module U2, and the digital signal output end (pin TEMP, SCLK, PDWN, SPEED, GAIN 1) of the AD conversion module U2 is respectively connected with the corresponding pin of the singlechip U1;

the digital inclination angle sensor U4 is a digital inclination angle sensor with the model SCL3300-D01, and a temperature sensor is arranged in the digital inclination angle sensor U4, so that synchronous acquisition of the ambient temperature can be realized; the digital signal output end (pin SCB, MISO, MOSI, SCK, DVIO) of the digital inclination sensor U4 is respectively connected with a pin corresponding to the singlechip U1;

the model of the RS485 communication module U5 is MAX3485, pins RXD, RE, TXD of the RS485 communication module U5 are respectively connected with corresponding pins of the singlechip U1, and a communication interface (RS 485A+ and RS 485B-) of the RS485 communication module U5 is connected with the upper computer through a serial port communication line.

The communication interface (RS 485a+, RS 485B-) of the communication module and the voltage input interface VIN of the power supply voltage stabilizing circuit 11 are integrated on the port J2 (see fig. 2).

Before data acquisition, connecting a voltage input interface VIN on a port J2 with a power supply, and connecting communication interfaces (RS 485A and RS 485B-) on the port J2 with an upper computer;

when measuring force, the utility model is arranged on a force value testing machine, the force sensor 2 collects analog signals of force values, the analog signals are transmitted to the AD conversion module U2 for analog-to-digital conversion, the converted digital signals of the force values are transmitted to the singlechip U1, and the singlechip U1 transmits real-time force value data to the upper computer through the RS485 communication module U5.

When the dip angle is tested, the utility model is arranged on an article with a dip angle to be tested, the digital dip angle sensor U4 collects dip angle data (X axis and Y axis), then the collected dip angle digital signals and digital signals of the environment temperature are sent to the singlechip U1, and the singlechip U1 sends the dip angle and temperature data collected in real time to the upper computer through the RS485 communication module U5.

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

Claims

1. The utility model provides a have digital module of dynamometry and inclination data collection concurrently which characterized in that: the intelligent power supply comprises a PCB, a power supply voltage stabilizing circuit, a singlechip, an AD conversion module, a digital inclination sensor, a communication module and a force transducer, wherein the power supply voltage stabilizing circuit, the singlechip, the AD conversion module, the digital inclination sensor and the communication module are integrated on the PCB; the power supply voltage stabilizing circuit outputs a 3.3V power supply to supply power to the singlechip, the AD conversion module, the digital inclination angle sensor, the communication module and the force transducer; the output end of the force transducer is connected with the differential signal input end of the AD conversion module, and the digital signal output end of the AD conversion module, the digital signal output end of the digital inclination sensor and the communication module are all connected with the singlechip.

2. The digital module with force measurement and tilt angle data acquisition functions according to claim 1, wherein: the power supply voltage stabilizing circuit comprises a linear voltage stabilizer with the model number of LP2951-33DR, wherein the input voltage of the linear voltage stabilizer is 12-24V, and the output voltage of the linear voltage stabilizer is 3.3V.

3. The digital module with force measurement and tilt angle data acquisition functions according to claim 1, wherein: the digital inclination angle sensor is a digital inclination angle sensor with a built-in temperature sensor.

4. A digital module having both force and tilt data acquisition as claimed in claim 3, wherein: the digital inclination angle sensor is a digital inclination angle sensor with model numbers SCL 3300-D01.

5. The digital module with force measurement and tilt angle data acquisition functions according to claim 1, wherein: and the communication module is an RS485 communication module.