CN210533288U - Tension wire instrument based on CCD and Bluetooth communication - Google Patents

Abstract

The utility model provides a lead tension instrument based on CCD and Bluetooth communication, which comprises an equipment box body, a lead tension, a point light source plate, a lens plate and a CCD acquisition communication plate, wherein the point light source plate, the lens plate and the CCD acquisition communication plate are arranged in the equipment box body; the CCD acquisition communication board comprises a microprocessor, a Bluetooth communication module, a CAN bus communication module, a linear array CCD acquisition module, a flash storage module and an RTC clock module, wherein the Bluetooth communication module, the CAN bus communication module, the linear array CCD acquisition module, the flash storage module and the RTC clock module are connected with the microprocessor; the light source of the point light source plate is positioned at the focus of the Fresnel lens in the lens plate; the Bluetooth communication module is used for the microprocessor to communicate with the intelligent terminal. The utility model discloses a single-point light source of lens focus position forms the irradiation mode of parallel light behind through fresnel lens, realizes with low costs, and the parallel light of ejaculating is even, adopts CAN bus and bluetooth communication mode in addition, has solved the configuration of field parameter, has gathered data and has read in real time to and strengthened the reliability of the communication of the lead wire networking.

Description

Tension wire instrument based on CCD and Bluetooth communication

Technical Field

The utility model relates to a ground monitoring field specifically is a bracing wire appearance based on CCD and bluetooth communication.

Background

Most of the tensiometer in the market adopts a linear array CCD (Charge Coupled Device) mode, has automatic acquisition, storage and transmission functions, adopts an RS485 mode for communication, and can read acquired data only by connecting a notebook computer and applying a serial port debugging assistant on site and compiling a simple communication instruction according to a communication protocol of the tensiometer.

The tension instrument is mainly applied to long-term observation of horizontal displacement of hydraulic buildings such as dams and the like, the tension method is a method for measuring the horizontal displacement of each measuring point of the building in the direction vertical to a reference line (tension line) by using a stainless steel wire tensioned between two fixed reference points, a plurality of tension instruments are required to be installed in the range of one tension line during measurement, and when an RS485 communication mode is adopted, the tension instruments are required to be connected in an RS485 mode, so that the situations of unstable communication, easy error and the like often occur, and great inconvenience is caused to field installation and debugging.

The patent "a new type of tensiometer 201721744728.0 based on linear array CCD" also refers to a tensiometer, which uses the illumination mode of parallel light source reflector, which puts high demand on the selection of parallel light source emitter, and the phenomenon of non-uniform parallel light may occur in the parallel light source emitter.

Disclosure of Invention

The aforesaid to prior art exists is not enough, the utility model provides a lead wire appearance based on CCD and bluetooth communication through improving communication interface mode and light source emitter, can solve above-mentioned problem, realizes with low costs, and has strengthened the reliability of lead wire networking communication, makes things convenient for on-the-spot installation and debugging.

A tension instrument based on CCD and Bluetooth communication comprises an equipment box body, a tension line, a point light source plate, a lens plate and a CCD acquisition communication plate, wherein the point light source plate, the lens plate and the CCD acquisition communication plate are arranged on the equipment box body; the CCD acquisition communication board comprises a microprocessor, a Bluetooth communication module, a CAN bus communication module, a linear array CCD acquisition module, a flash storage module and an RTC clock module, wherein the Bluetooth communication module, the CAN bus communication module, the linear array CCD acquisition module, the flash storage module and the RTC clock module are connected with the microprocessor; the light source of the point light source plate is positioned at the focus of the Fresnel lens in the lens plate, and light rays emitted by the light source of the point light source plate form parallel light after passing through the Fresnel lens, and the parallel light irradiates the tension guide line and then irradiates the linear array CCD acquisition module in the CCD acquisition communication plate; the microprocessor is used for remotely transmitting acquired data in a CAN bus mode through interaction with a CAN bus communication module, and the CAN bus communication module is provided with two groups of CAN bus communication interfaces and is used for cascade connection during communication networking; the Bluetooth communication module is used for the microprocessor to communicate with the intelligent terminal.

Furthermore, the intelligent terminal is a mobile phone or a tablet computer.

Furthermore, the device also comprises a temperature and humidity sensor arranged in the equipment box body and a heater arranged on the lens plate, wherein the temperature and humidity sensor and the heater are connected with the microprocessor.

Furthermore, the device also comprises a standby power supply module connected with the RTC clock module.

The utility model discloses a single-point light source of lens focus position forms the irradiation mode of parallel light behind the fresnel lens, and this kind of mode is with low costs, easily realizes, and the parallel light that jets out is even, adopts CAN bus and bluetooth communication mode in addition, has solved the configuration of site parameter, has gathered data and has read in real time to and strengthened the reliability of the communication of the lead wire networking.

Drawings

Fig. 1 is a schematic structural diagram of the tension instrument based on CCD and bluetooth communication;

fig. 2 is a schematic circuit diagram of the present invention;

fig. 3 is the utility model discloses a CAN bus networking schematic diagram.

In the figure: 1-pointolite board, 2-lens board, 3-lead wire, 4-CCD gather communication board, 5-microprocessor, 6-bluetooth communication module, 7-CAN bus communication module, 8-linear array CCD gather the module, 9-temperature and humidity sensor, 10-heater, 11-flash memory module, 12-RTC clock module, 13-stand-by power supply module.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses one of them embodiment of a tensile wire appearance based on CCD and bluetooth communication includes equipment box, tensile wire 3 and locates pointolite board 1, lens board 2, the CCD collection communication board 4 of equipment box, and tensile wire 3 is located between lens board 2 and CCD collection communication board 4.

The light source of the point light source board 1 is located at the focus of the Fresnel lens in the lens board 2, parallel light is formed by light rays emitted by the light source of the point light source board 1 after passing through the Fresnel lens, the parallel light rays irradiate onto the tension line 3 and then irradiate onto the linear array CCD acquisition module 8 in the CCD acquisition communication board 4, the shielding position of the tension line 3 can influence the acquisition values of different pixel points of the linear array CCD acquisition module 8, the tension line 3 is judged to be located at the pixel points according to the difference of the acquisition values, and therefore the horizontal position of the tension line is located. The utility model discloses a high pixel linear array CCD has higher collection precision, and sealed dampproofing structure is adopted to whole appearance.

Referring to fig. 2, the CCD acquisition communication board 4 includes a microprocessor 5, a bluetooth communication module 6 connected to the microprocessor 5, a CAN bus communication module 7, a linear array CCD acquisition module 8, a flash memory module 11, an RTC clock module 12, and a standby power module 13 connected to the RTC clock module 12.

The microprocessor 5 controls the acquisition of the linear array CCD acquisition module 8 through the RTC clock module 12 and the time sequence and level of the control pin, and all acquired data are input into the microprocessor 5; the linear array CCD acquisition module 8 outputs a series of acquired data, each data represents the light receiving degree of each pixel point, the bracing wire 3 can shield a part of parallel light, the light receiving intensity degree of a part of pixel points is weaker, the corresponding acquisition value is smaller, after the data is filtered and processed by an algorithm, the position of the bracing wire 3 can be positioned, when the bracing wire 3 moves horizontally relative to the bracing wire instrument, the acquired series of data can also change, and the distance of the bracing wire 3 moving horizontally relative to the bracing wire instrument can be calculated through the conversion of data change.

The microprocessor 5 is interacted with the CAN bus communication module 7 to remotely transmit the acquired data in a CAN bus mode, and the CAN bus communication module 7 is provided with two groups of CAN bus communication interfaces for cascade connection in communication networking.

One tension wire tensioned between two fixed datum points needs to be provided with a plurality of tension wire instruments at each measuring point along the building for measuring the horizontal displacement distance of each measuring point in the direction vertical to the tension wire. Each tension instrument is connected by a CAN bus (as shown in figure 3), each instrument has an independent physical address, and CAN be networked by the CAN bus, and the networking end is connected to the system by a module which is converted from the CAN bus to the Ethernet. And when networking is carried out, the CAN bus communication module 7 of the tensiometer is utilized and connected in a cascading mode.

Microprocessor 5 is through being connected with bluetooth communication module 6, can with intelligent terminal (for example cell-phone or panel computer) cell-phone communication, on the one hand through communication parameter, the operating parameter etc. of APP software on-the-spot configuration tensor wire appearance, on the other hand, can gather tensor wire appearance's real-time data and look over historical data through APP software.

Flash memory module 11 passes through the SPI bus and is connected with microprocessor, and microprocessor 5 stores the sensor data of gathering to flash memory module 11 that the data can not lose after losing the electricity, and cell-phone APP and remote software can all carry out data reading.

The RTC clock module 12 is connected with the microprocessor through an IO port, provides accurate time for the tension wire instrument, and can provide a standby power supply module 13 (such as a button battery) with large capacity for standby, so that the RTC clock module 12 is prevented from stopping working when the equipment is powered down.

The utility model discloses still can include the temperature and humidity sensor 9, the heater 10 of being connected with microprocessor 5, temperature and humidity sensor 9 locates in the equipment box body, be connected with microprocessor 5 through the SPI bus, temperature and humidity information in the collection equipment box body, if the fresnel lens among the lens board 2 is easy to be hazed under high humid environment, influence measurement accuracy, therefore be provided with heater 10 on the lens board 2, microprocessor 5 is when temperature and humidity information reach the threshold value in temperature and humidity sensor 9 check out test set box body, start heater 10 and heat lens board 2 to satisfy fresnel lens and normally work.

The utility model provides an application through pointolite and linear array CCD has realized the automatic measure of the horizontal displacement of lead wire, and application bluetooth communication and smart mobile phone APP communication have solved the problem that field parameter configuration, data collection read in real time, and the communication mode of application microprocessor and CAN bus has solved the unstable problem of traditional communication mode, has the reliability height, intelligent degree height, unmanned on duty's characteristics.

The utility model discloses following beneficial effect has:

1. the utility model discloses a reliability of networking transmission is ensured to CAN bus communication interface.

2. The utility model discloses an accurate CCD sensor cooperation digital circuit detects, and it is high to gather the precision, no electric drift.

3. The utility model discloses can differentiate the diameter size of lead wire automatically to fault diagnosis function has.

4. The utility model discloses have dampproofing shell and damp-dispelling measure, adapt to long-term continuous operation under the humid environment such as power station.

5. The utility model discloses a bluetooth communication and cell-phone APP communication can read the bracing wire appearance data in real time, and the on-the-spot configuration bracing wire appearance.

The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (4)

1. The utility model provides a lead tensiometer based on CCD and bluetooth communication which characterized in that: the device comprises a device box body, a tension lead (3), a point light source plate (1), a lens plate (2) and a CCD acquisition communication plate (4), wherein the point light source plate, the lens plate and the CCD acquisition communication plate are arranged in the device box body, and the tension lead (3) is positioned between the lens plate (2) and the CCD acquisition communication plate (4); the CCD acquisition communication board (4) comprises a microprocessor (5), a Bluetooth communication module (6) connected with the microprocessor (5), a CAN bus communication module (7), a linear array CCD acquisition module (8), a flash storage module (11) and an RTC clock module (12); the light source of the point light source board (1) is positioned at the focus of the Fresnel lens in the lens board (2), and light rays emitted by the light source of the point light source board (1) form parallel light after passing through the Fresnel lens, and irradiate onto the tension line (3) and then irradiate onto the linear array CCD acquisition module (8) in the CCD acquisition communication board (4); the microprocessor (5) is interacted with the CAN bus communication module (7) to remotely transmit the acquired data in a CAN bus mode, and the CAN bus communication module (7) is provided with two groups of CAN bus communication interfaces for cascade connection during communication networking; and the Bluetooth communication module (6) is used for the microprocessor (5) to communicate with the intelligent terminal.

2. The CCD and bluetooth communication based tensor wire instrument as recited in claim 1, wherein: the intelligent terminal is a mobile phone or a tablet computer.

3. The CCD and bluetooth communication based tensor wire instrument as recited in claim 1, wherein: the lens is characterized by further comprising a temperature and humidity sensor (9) arranged in the equipment box body and a heater (10) arranged on the lens plate (2), wherein the temperature and humidity sensor (9) and the heater (10) are connected with the microprocessor (5).

4. The CCD and bluetooth communication based tensor wire instrument as recited in claim 1, wherein: the RTC clock control circuit also comprises a standby power supply module (13) connected with the RTC clock module (12).

Images