阅读说明：本技术 一种光纤信号传输的传感器 (Optical fiber signal transmission sensor ) 是由 赵庆川 于庆 李军 孙世岭 罗前刚 王尧 吴科 梁光清 张远征 郭清华 李涛 于 2021-08-16 设计创作，主要内容包括：本发明涉及一种光纤信号传输的传感器,属于电子器件领域。一种光纤信号传输的传感器,包括提手、主壳体、与主壳体配合密封的可拆卸后盖、光电混接接口和报警灯气室组件；所述主壳体和后盖为不锈钢注塑材质,内部设置有主板,主板设置有电源模块、光电转换模块、敏感元件信号接口；报警灯气室组件内设置有敏感元件组件与报警灯组件；敏感元件组件通过敏感元件信号接口与主板连接,报警灯组件通过灯光报警模块与主板连接；主板上电源模块通过金属导线与光电混接接口连接,为主板供电,光电转换模块通过光纤与光电混接接口连接,与上级设备进行数据交互。本发明提高了矿用传感器的数据交互速率和抗干扰能力。(The invention relates to a sensor for optical fiber signal transmission, belonging to the field of electronic devices. A sensor for optical fiber signal transmission comprises a handle, a main shell, a detachable rear cover matched and sealed with the main shell, a photoelectric hybrid interface and an alarm lamp air chamber assembly; the main shell and the rear cover are made of stainless steel injection molding materials, a main board is arranged inside the main shell, and the main board is provided with a power supply module, a photoelectric conversion module and a sensitive element signal interface; a sensitive element assembly and an alarm lamp assembly are arranged in the alarm lamp air chamber assembly; the sensitive element component is connected with the main board through a sensitive element signal interface, and the alarm lamp component is connected with the main board through a lamplight alarm module; the power module on the mainboard is connected with the photoelectric mixed interface through a metal wire to supply power for the mainboard, and the photoelectric conversion module is connected with the photoelectric mixed interface through an optical fiber to perform data interaction with superior equipment. The data interaction rate and the anti-interference capability of the mining sensor are improved.)

1. A fiber optic signal transmission sensor, comprising: comprises a handle (1), a main shell (2), a detachable rear cover (3) which is matched and sealed with the main shell (2), a photoelectric mixed interface (4) and an alarm lamp air chamber component (8);

the main shell (2) and the rear cover (3) are made of stainless steel injection molding materials, a main board is arranged inside the main shell, and the main board is provided with a power supply module, a photoelectric conversion module and a sensitive element signal interface;

a sensitive element assembly and an alarm lamp assembly are arranged in the alarm lamp air chamber assembly (8);

the sensitive element assembly is connected with the main board through a sensitive element signal interface, and the alarm lamp assembly is connected with the main board through a lamplight alarm module;

the power module on the main board is connected with the photoelectric mixed interface (4) through a metal wire to supply power to the main board, and the photoelectric conversion module is connected with the photoelectric mixed interface (4) through an optical fiber to perform data interaction with superior equipment.

2. A fiber optic signal transmission sensor according to claim 1, wherein: the photoelectric mixed interface (4) comprises a mounting flange (9), a connecting cup (10), an optical signal pin (11) and an electrical signal pin (12).

3. A fiber optic signal transmission sensor according to claim 2, wherein: the electrical signal pins (12) comprise a power supply anode and a power supply cathode, and the optical signal pins (11) are arranged in a main mode and a standby mode.

4. A fiber optic signal transmission sensor according to claim 3, wherein: the mainboard also comprises a microprocessor, a display module, an infrared remote control module, an acoustic alarm module and a program downloading module;

the infrared remote control module receives an external infrared remote control setting signal through the remote control receiving hole (6), the sound alarm module is connected with the buzzer (5) on the main shell body, the display module adopts a digital tube or liquid crystal character display mode, and the display window (7) on the main shell body displays a sensor detection value and interactive information.

5. A fiber optic signal transmission sensor according to claim 4, wherein: the sensitive element signal interface comprises a power supply anode, a power supply cathode and a signal wire, and the power supply voltage meets the working voltage requirement of the sensitive element assembly;

the signal wire adopts UART, SPI or I2C digital communication mode.

6. A fiber optic signal transmission sensor according to claim 5, wherein: the sensing element assembly comprises a sensing element for converting physical quantities such as gas concentration, pressure and the like into electric signals, a signal processing circuit matched with the sensing element, and a microprocessor packaged in a small volume for carrying out A/D conversion on the electric signals of the sensing element, calculating a physical quantity measured value, and then uploading the measured value to a main board through a signal line of a signal interface of the sensing element for display and other logic processing.

7. A fiber optic signal transmission sensor according to claim 6, wherein: the mainboard and the photoelectric conversion module are communicated by TTL level, the photoelectric conversion module converts an electric signal into a light signal and transmits the light signal to the photoelectric conversion module of the monitoring substation through an optical fiber, and the microprocessor on the sensor mainboard controls the photoelectric conversion module to be in a receiving state without light output.

8. A fiber optic signal transmission sensor according to claim 7, wherein: and the microprocessor on the sensor mainboard reads the physical quantity detection value of the sensitive element assembly in real time, displays the physical quantity detection value, uploads the detection value to the monitoring substation through the photoelectric conversion module, and controls the buzzer and the alarm lamp to carry out periodic acousto-optic alarm according to alarm point information issued by the monitoring substation or set on site.

Technical Field

The invention belongs to the field of electronic devices, and relates to a sensor for optical fiber signal transmission.

Background

Along with the implementation of upgrading and transforming a safety monitoring system in recent years, sensor equipment and a system based on RS485 and CAN communication technologies are popularized and applied in a large quantity, the problem of poor anti-interference capability of traditional frequency and current transmission is solved, and a good application effect is achieved. However, with the development of mine internet of things, the transmission layer equipment of safety monitoring systems such as substations and switches is gradually upgraded to an optical communication system, and meanwhile, higher requirements are put forward for sensor intellectualization, the existing mine sensor adopts field bus interactive communication such as RS485 and CAN communication interfaces, and the problems of slow interactive speed, limited transmission distance, frame loss due to instantaneous communication and the like are generally exposed gradually, so that the research on the sensor based on optical fiber signal transmission has very important significance for the development of coal mine intellectualization and informatization.

Disclosure of Invention

In view of the above, the present invention provides a sensor for optical fiber signal transmission, and provides technical solutions for the sensor function, the opto-electrical hybrid interface design, and the design of the sensor motherboard and the sensitive element assembly of the optical fiber signal transmission

In order to achieve the purpose, the invention provides the following technical scheme:

a sensor for optical fiber signal transmission comprises a handle, a main shell, a detachable rear cover matched and sealed with the main shell, a photoelectric hybrid interface and an alarm lamp air chamber assembly;

the main shell and the rear cover are made of stainless steel injection molding materials, a main board is arranged inside the main shell, and the main board is provided with a power supply module, a photoelectric conversion module and a sensitive element signal interface;

a sensitive element assembly and an alarm lamp assembly are arranged in the alarm lamp air chamber assembly;

the sensitive element assembly is connected with the main board through a sensitive element signal interface, and the alarm lamp assembly is connected with the main board through a lamplight alarm module;

the power module on the main board is connected with the photoelectric mixed interface through a metal wire to supply power to the main board, and the photoelectric conversion module is connected with the photoelectric mixed interface through an optical fiber to perform data interaction with superior equipment.

Optionally, the optical-electrical hybrid interface includes a mounting flange, a connection cup, an optical signal pin, and an electrical signal pin.

Optionally, the electrical signal pins include a power supply positive electrode and a power supply negative electrode, and the optical signal pins are one main pin and one standby pin.

Optionally, the main board further includes a microprocessor, a display module, an infrared remote control module, an acoustic alarm module and a program downloading module;

the infrared remote control module receives an external infrared remote control setting signal through the remote control receiving hole, the sound alarm module is connected with the buzzer on the main shell body, the display module adopts a digital tube or liquid crystal character display mode, and the display window on the main shell body displays a sensor detection value and interactive information.

Optionally, the sensing element signal interface includes a power supply positive electrode, a power supply negative electrode and a signal line, and the power supply voltage meets the working voltage requirement of the sensing element assembly;

the signal wire adopts UART, SPI or I2C digital communication mode.

Optionally, the sensing element assembly includes a sensing element for converting physical quantities such as gas concentration and pressure into an electrical signal, a signal processing circuit matched with the sensing element, and a small-volume packaged microprocessor for performing a/D conversion on the electrical signal of the sensing element, calculating a physical quantity measurement value, and then uploading the measurement value to a main board through a signal line of a signal interface of the sensing element for display and other logic processing.

Optionally, the motherboard and the photoelectric conversion module are in TTL level communication, the photoelectric conversion module converts an electrical signal into an optical signal and transmits the optical signal to the photoelectric conversion module of the monitoring substation through an optical fiber, and the microprocessor on the sensor motherboard controls the photoelectric conversion module to be in a receiving state without optical output.

Optionally, the microprocessor on the sensor main board reads the physical quantity detection value of the sensing element assembly in real time, displays the physical quantity detection value, uploads the detection value to the monitoring substation through the photoelectric conversion module, and controls the buzzer and the alarm lamp to perform periodic sound and light alarm according to alarm point information issued by the monitoring substation or set on site.

The invention has the beneficial effects that: the invention improves the data interaction rate and the anti-interference capability of the mine sensor, provides a hardware foundation for the rapid transmission of big data and multi-information of the intelligent sensor, promotes the technical upgrade of the detection layer equipment of the safety monitoring system, and provides a sensor end solution for the comprehensive promotion of the mine Internet of things.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a view of the housing structure of the present invention;

FIG. 2 is a diagram of an opto-electric hybrid interface according to the present invention;

fig. 3 is a schematic diagram of the main board of the present invention.

Reference numerals: 1-handle, 2-main shell, 3-rear cover, 4-photoelectric mixed interface, 5-buzzer, 6-remote control receiving hole, 7-display window, 8-alarm lamp air chamber component, 9-mounting flange, 10-connecting cup, 11-optical signal pin and 12-electric signal pin.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 3, a sensor for optical fiber signal transmission includes a handle 1, a main housing 2, a detachable rear cover 3 sealed with the main housing 2, an optical-electrical hybrid interface 4, and an alarm lamp air chamber assembly 8;

the main shell 2 and the rear cover 3 are made of stainless steel injection molding materials, a main board is arranged inside the main shell, and the main board is provided with a power supply module, a photoelectric conversion module and a sensitive element signal interface;

a sensitive element assembly and an alarm lamp assembly are arranged in the alarm lamp air chamber assembly 8;

the sensitive element assembly is connected with the main board through a sensitive element signal interface, and the alarm lamp assembly is connected with the main board through a lamplight alarm module;

the power module on the main board is connected with the photoelectric mixed interface 4 through a metal wire to supply power to the main board, and the photoelectric conversion module is connected with the photoelectric mixed interface 4 through an optical fiber to perform data interaction with superior equipment.

The optical-electrical hybrid interface 4 comprises a mounting flange 9, a connecting cup 10, an optical signal pin 11 and an electrical signal pin 12.

The electrical signal pin 12 comprises a power supply anode and a power supply cathode, and the optical signal pins 11 are one main pin and one standby pin.

The mainboard also comprises a microprocessor, a display module, an infrared remote control module, an acoustic alarm module and a program downloading module;

the infrared remote control module receives an external infrared remote control setting signal through the remote control receiving hole 6, the sound alarm module is connected with the buzzer 5 on the main shell body, the display module adopts a digital tube or liquid crystal character display mode, and the display window 7 on the main shell body displays a sensor detection value and interactive information.

The sensitive element signal interface comprises a power supply anode, a power supply cathode and a signal wire, and the power supply voltage meets the working voltage requirement of the sensitive element assembly;

the signal wire adopts UART, SPI or I2C digital communication mode.

The sensing element assembly comprises a sensing element for converting physical quantities such as gas concentration, pressure and the like into electric signals, a signal processing circuit matched with the sensing element, and a microprocessor packaged in a small volume for carrying out A/D conversion on the electric signals of the sensing element, calculating a physical quantity measured value, and then uploading the measured value to a main board through a signal line of a signal interface of the sensing element for display and other logic processing.

The mainboard and the photoelectric conversion module are communicated by TTL level, the photoelectric conversion module converts an electric signal into a light signal and transmits the light signal to the photoelectric conversion module of the monitoring substation through an optical fiber, and the microprocessor on the sensor mainboard controls the photoelectric conversion module to be in a receiving state without light output.

And the microprocessor on the sensor mainboard reads the physical quantity detection value of the sensitive element assembly in real time, displays the physical quantity detection value, uploads the detection value to the monitoring substation through the photoelectric conversion module, and controls the buzzer and the alarm lamp to carry out periodic acousto-optic alarm according to alarm point information issued by the monitoring substation or set on site.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.