CN219477605U

CN219477605U - Wireless emergency stop sensor for overhead passenger device

Info

Publication number: CN219477605U
Application number: CN202221348757.6U
Authority: CN
Inventors: 李辉; 佟淑利; 崔红春; 朱建飞; 高志卫; 李利; 赵晨阳; 李东霞
Original assignee: Shijiazhuang Yidelong Electromechanical Equipment Manufacturing Co ltd
Current assignee: Shijiazhuang Yidelong Electromechanical Equipment Manufacturing Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2023-08-04
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a wireless emergency stop sensor for an overhead passenger device, and belongs to the technical field of mining communication. The device comprises an MCU core circuit, a key identification circuit, an abnormality alarm circuit, a power management circuit and a modulation transmission circuit, wherein the key identification circuit, the abnormality alarm circuit, the power management circuit and the modulation transmission circuit are connected with the MCU core circuit; the MCU core circuit manages the normal operation of each module; the key identification circuit is used for performing function input and setting a plurality of keys; the abnormality alarm circuit is used for alarming and prompting the abnormality of the sensor; the power management and electric quantity measurement circuit is used for supplying power to the battery of the sensor and measuring the electric quantity; and the MCU core circuit transmits the data to be transmitted to the modulation circuit after the external circuit is processed, and the modulation circuit processes the information and transmits the information. The utility model adopts a wireless data transmission mode to greatly reduce the use of cables.

Description

Wireless emergency stop sensor for overhead passenger device

Technical Field

The utility model relates to a wireless emergency stop sensor for an overhead passenger device, and belongs to the technical field of mining communication.

Background

In the operation of an overhead man-riding device for a coal mine, an indispensable protection is a stay wire emergency stop sensor. The pull ring of each pull line emergency stop is connected with the steel wire rope, and the pull line emergency stop sensors are connected with each other through signal wires and are connected into the electric cabinet. When an emergency occurs, a passenger or a maintainer pulls the steel wire rope, the pull wire emergency stop sensor is pulled to act, and the electric control device stops running after receiving an emergency stop signal.

At present, the sensors are in a wired transmission mode, and the signals are transmitted through the communication cable, but in an underground mine, the communication cable is paved with limitations due to the limitation of the environment.

Disclosure of Invention

The utility model aims to provide a wireless scram sensor for an overhead passenger device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a wireless emergency stop sensor for an overhead passenger device comprises an MCU core circuit, a key identification circuit, an abnormality alarm circuit, a power management circuit and a modulation transmission circuit, wherein the key identification circuit, the abnormality alarm circuit, the power management circuit and the modulation transmission circuit are connected with the MCU core circuit;

the MCU core circuit manages the normal operation of each module;

the key identification circuit is used for performing function input and setting a plurality of keys;

the abnormality alarm circuit is used for alarming and prompting the abnormality of the sensor;

the power management and electric quantity measurement circuit is used for supplying power to the battery of the sensor and measuring the electric quantity;

and the MCU core circuit transmits the data to be transmitted to the modulation circuit after the external circuit is processed, and the modulation circuit processes the information and transmits the information.

Further, the key recognition circuit is provided with a test key for transmitting the test code and a switch key for switching the sensor.

Further, the chip of the MCU core circuit is STM8S105K4.

Further, a test key circuit of the key identification circuit is connected with the pin 14 of the chip STM8S105K4; the 7 pins of the switch key circuit are respectively connected with pins 18-24 of the chip STM8S105K4.

Further, the abnormality alarm circuit comprises a buzzer driving circuit and a light emitting diode driving circuit; the buzzer driving circuit is connected with pin 28 of chip STM8S105K4, and the LED driving circuit is connected with pin 27 of chip STM8S105K4.

Further, the peripheral circuit power supply part of the power management and power measurement circuit is connected to the pin 32 of the chip STM8S105K4, and the battery voltage measurement part is connected to the pin 8 of the chip STM8S105K4.

Further, the modulation and transmission circuit is provided with a chip HT9200A, a pin 1 of the chip HT9200A is connected to a pin 29 of the chip STM8S105K4, a pin 6 of the chip HT9200A is connected to a pin 30 of the chip STM8S105K4, and a pin 5 of the chip HT9200A is connected to a pin 31 of the chip STM8S105K4.

By adopting the technical scheme, the utility model has the following technical effects:

1) The use of cables is greatly reduced by adopting a wireless data transmission mode.

2) And the working time of the sensor is greatly prolonged by adopting a reasonable power supply mode.

3) The data is transmitted through the leakage system, the system is convenient to arrange, a set of equipment is realized, two functions, namely data transmission and voice call, the user does not need to input equipment such as a wireless base station again, and the user input is greatly reduced.

4) The number of coding bits can be changed according to the number of the system sensors, and the coding range is wide.

5) And the dual-audio transmission signal is used, so that the anti-interference capability is strong.

Drawings

FIG. 1 is a block diagram of a sensor configuration of the present utility model;

FIG. 2 is a diagram of a sensor core circuit of the present utility model;

FIG. 3 is a diagram of a key identification circuit of the present utility model;

FIG. 4 is a diagram of an anomaly alarm circuit of the present utility model;

FIG. 5 is a circuit diagram of power management and power measurement according to the present utility model;

fig. 6 is a circuit diagram of a modulation transmission according to the present utility model.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model relates to a wireless scram sensor for an overhead passenger device, which is applied to a mining communication system.

The utility model mainly describes the circuit components of the sensor device, and as shown in fig. 1, 2, 3, 4, 5 and 6, the sensor comprises an MCU core circuit, a key identification circuit, an abnormality alarm circuit, a power management circuit and a modulation transmission circuit, wherein the key identification circuit, the abnormality alarm circuit, the power management circuit and the modulation transmission circuit are connected with the MCU core circuit.

The MCU core circuit is used for managing normal operation of each module, and a chip of the MCU core circuit is STM8S105K4.

The key identification circuit is used for carrying out function input, and the key identification circuit is provided with a plurality of keys for carrying out function input.

The abnormality alarm circuit is used for alarming and prompting the abnormality of the sensor and plays a role in alarming abnormal conditions.

The power management and power measurement circuit is capable of powering a battery of the sensor and measuring power.

The modulation transmitting circuit transmits the data to be transmitted to the modulation circuit after the MCU core circuit processes the external circuit, and the modulation circuit processes the information and transmits the information.

As shown in fig. 3, the key recognition circuit is provided with a test key for transmitting a test code and a switch key for switching the sensor. Specifically, the test key circuit of the key identification circuit is connected with the pin 14 of the chip STM8S105K4; the 7 pins of the switch key circuit are respectively connected with pins 18-24 of the chip STM8S105K4. Switch keys have a variety of different functions, including a stop function key.

As shown in fig. 4, the abnormality alarm circuit includes a buzzer driving circuit and a light emitting diode driving circuit. The buzzer driving circuit is connected with pin 28 of chip STM8S105K4, and the LED driving circuit is connected with pin 27 of chip STM8S105K4.

As shown in fig. 5, the peripheral circuit power supply portion of the power management and power measurement circuit is connected to pin 32 of chip STM8S105K4, and the battery voltage measurement portion is connected to pin 8 of chip STM8S105K4.

As shown in fig. 6, the modulation transmission circuit is provided with a chip HT9200A, a pin 1 of the chip HT9200A is connected to a pin 29 of a chip STM8S105K4, a pin 6 of the chip HT9200A is connected to a pin 30 of a chip STM8S105K4, and a pin 5 of the chip HT9200A is connected to a pin 31 of a chip STM8S105K4.

The connection mode of the key circuit and the like of the utility model refers to the attached drawings in the specification, and is a conventional functional circuit in the field.

With reference to fig. 1-6, power_ctrl is a power management pin that controls power to the peripheral circuits.

OLED_SDA and OLED_SCL are II2C interface liquid crystal display driving interfaces.

HT_CLK, HT_DATA and HT_CE are output DATA channels, serial output, DATA are converted into dual audio format output through an HT9200A chip, and then the dual audio format output is transmitted through a leakage communication cable through a modulation and demodulation circuit.

Addr1-Addr7 encodes the local address, and the local address is set by different combinations.

The sensor is fixed on the hanging chair, when a passenger finds that an emergency needs to be parked, the passenger can push a stop key on the sensor besides a wire-pulling emergency stop switch along the wire, the sensor can send a signal to a receiving device arranged on the machine head, and after the receiving device receives and recognizes the signal sent by the sensor, the receiving device sends a corresponding signal to the electric cabinet according to the type of the decoded signal, so that the control of equipment is realized.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A wireless emergency stop sensor for an overhead passenger device is characterized in that: the device comprises an MCU core circuit, a key identification circuit, an abnormality alarm circuit, a power management circuit and a modulation transmission circuit, wherein the key identification circuit, the abnormality alarm circuit, the power management circuit and the modulation transmission circuit are connected with the MCU core circuit;

the chip of the MCU core circuit is STM8S105K4;

a key identification circuit provided with a plurality of keys; the key identification circuit is provided with a test key for sending a test code and a switch key for switching the sensor; the test key circuit of the key identification circuit is connected with the pin 14 of the chip STM8S105K4; 7 pins of a switch key of the switch key circuit are respectively connected with pins 18-24 of a chip STM8S105K4;

the abnormality alarm circuit comprises a buzzer driving circuit and a light-emitting diode driving circuit; the buzzer driving circuit is connected with the pin 28 of the chip STM8S105K4, and the light-emitting diode driving circuit is connected with the pin 27 of the chip STM8S105K4;

the peripheral circuit power supply part of the power management and electric quantity measurement circuit is connected with the pin 32 of the chip STM8S105K4, and the battery voltage measurement part is connected with the pin 8 of the chip STM8S105K4;

the modulation and transmission circuit is provided with a chip HT9200A, a pin 1 of the chip HT9200A is connected with a pin 29 of a chip STM8S105K4, a pin 6 of the chip HT9200A is connected with a pin 30 of the chip STM8S105K4, and a pin 5 of the chip HT9200A is connected with a pin 31 of the chip STM8S105K4.