CN110514661B

CN110514661B - Coal mine methane acquisition and transceiving integrated wireless sensor and use method thereof

Info

Publication number: CN110514661B
Application number: CN201910842313.4A
Authority: CN
Inventors: 李刚; 陈兵; 全太锋; 程俞瀚; 陈刚; 马成
Original assignee: Chongqing Guangkexun Technology Co ltd; Kunming University of Science and Technology
Current assignee: Chongqing Guangkexun Technology Co ltd; Kunming University of Science and Technology
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2022-02-22
Anticipated expiration: 2039-09-06
Also published as: CN110514661A

Abstract

The invention discloses a receiving and transmitting integrated wireless sensor for coal mine methane collection, relates to the technical field of methane collection, and solves the problem that a sending device of a methane sensor is inconvenient to charge. The wireless charging device comprises a shell, a second handle assembled at the top of the shell, a second laser measuring probe and a second alarm lamp assembled at the bottom of the shell, a battery pack assembled in the shell, a second display screen communicated with the outside through a display window and used for displaying signals, a circuit module and a wireless transmitting module assembled in the shell, a second wireless antenna connected to the top of the shell and used for butting the wireless transmitting module, and a wired interface used for charging the battery pack, wherein the second wireless antenna is connected to the top of the shell and used for butting the wireless transmitting module; the integrated wireless sensor can be used as a sending device or a receiving device, and can be powered by a built-in battery pack or an external power supply through a wired interface. The equipment has the advantages of simple structure, reduced cost for equipment development and equipment qualification certification, improved efficiency and the like.

Description

Coal mine methane acquisition and transceiving integrated wireless sensor and use method thereof

Technical Field

The invention relates to a methane sensor, in particular to a coal mine methane acquisition, transceiving and use integrated wireless sensor and a use method thereof.

Background

Coal mining of a coal mine is generally carried out in a mode of firstly tunneling and then stoping, a coal face is cut back along with a coal seam, and positions, which need to be moved in time, of corresponding methane sensors are arranged according to standard requirements, so that the methane concentration of underground dangerous places can be measured accurately. However, the conventional mine sensors such as methane sensors are extremely inconvenient to frequently move and operate under a mine with a line. The new monitoring system of the state bureau therefore requires the installation of wireless sensors.

The wireless sensor for collecting methane in the prior art needs two devices, namely a sending device and a receiving device, as shown in fig. 1-2, wherein fig. 1 is the sending device, fig. 2 is the receiving device, and the sending device and the receiving device are both provided with a first handle 40 convenient for carrying, a first display screen 30 for displaying data and a first alarm lamp 20 for alarming, and the difference is that the sending device further comprises a first laser measurement probe 100 for detecting methane concentration, a wireless sending module for sending a methane concentration signal and a battery pack for charging various electric parts; it should be noted that, because the underground environment is special and cannot be powered by an external power supply, the battery pack in the sending device needs to be charged aboveground after the electric quantity of the battery pack is exhausted; the receiving device further includes a first wireless antenna 200 for interfacing with the wireless transmitting module and a charging port 300 for charging the receiving device; it should be noted that, because it is aboveground, the receiving device can be powered by an external power supply; the following two problems exist in practical use: 1. the receiving equipment and the sending equipment are two different equipments, and the corresponding cost for researching, developing, authenticating, producing and maintaining the two equipments is high; 2. the wireless sensor of the sending equipment is powered by a battery pack assembled in the sending equipment, and the ground charging is required after no electricity exists, or the sending equipment which is reserved in advance is used for replacing the sending equipment without electricity underground; if the underground charging is carried out after charging such as ground charging is finished, the underground charging cannot work in the charging period, the charging time is long, and the time is wasted; the spare sending equipment needs to be additionally provided with one spare equipment in advance, so that the cost is increased, and the utilization rate of the equipment is low.

Disclosure of Invention

The invention aims to provide a coal mine methane acquisition and transceiving integrated wireless sensor, and solves the problems.

The invention is realized by the following technical scheme:

the wireless sensor for coal mine methane collection, transceiving and integration comprises a shell, a second handle assembled at the top of the shell, a second laser measurement probe and a second alarm lamp assembled at the bottom of the shell, a battery pack assembled in the shell, a second display screen communicated with the outside through a display window and used for displaying signals, a circuit module and a wireless sending module assembled in the shell, a second wireless antenna connected to the top of the shell and used for butting the wireless sending module, and a wired interface used for charging the battery pack; the integrated wireless sensor can be used as a sending device or a receiving device, and can be powered by a built-in battery pack or an external power supply through a wired interface.

The invention is improved on the basis of the prior art, the wireless sensor used for collecting methane in the prior art needs two devices, namely a sending device and a receiving device, wherein the sending device and the receiving device are respectively provided with a first handle 40 convenient to carry, a first display screen 30 used for displaying data and a first alarm lamp 20 used for alarming, and the difference is that the sending device also comprises a first laser measuring probe 100 used for detecting methane concentration, a wireless sending module used for sending a methane concentration signal and a battery pack used for charging all power utilization parts; it should be noted that, because the underground environment is special and cannot be powered by an external power supply, the battery pack in the sending device needs to be charged aboveground after the electric quantity of the battery pack is exhausted; the receiving device further includes a first wireless antenna 200 for interfacing with the wireless transmitting module and a charging port 300 for charging the receiving device; it should be noted that, because it is aboveground, the receiving device can be powered by an external power supply; the following two problems exist in practical use: 1. the receiving equipment and the sending equipment are two different equipments, and the corresponding cost for researching, developing, authenticating, producing and maintaining the two equipments is high; 2. the wireless sensor of the sending equipment is powered by a battery pack assembled in the sending equipment, and the ground charging is required after no electricity exists, or the sending equipment which is reserved in advance is used for replacing the sending equipment without electricity underground; if the underground charging is carried out after charging such as ground charging is finished, the underground charging cannot work in the charging period, the charging time is long, and the time is wasted; the spare sending equipment needs to be additionally provided with one spare equipment in advance, so that the cost is increased, and the utilization rate of the equipment is low. The invention is characterized in that the traditional sending equipment and the traditional receiving equipment are combined into a whole, so that the sending equipment and the receiving equipment have the same structure, and the integrated wireless sensor can be used as the sending equipment and the receiving equipment, and can be powered by a battery pack or an external power supply through a wired interface. After the arrangement, when the electric quantity of the sending equipment is exhausted, the sending equipment and the receiving equipment are replaced, and the situation that the sending equipment needs to be charged on the ground after no electricity exists is avoided, or the sending equipment which is reserved in advance is lifted to the underground to replace the no-electricity sending equipment is avoided.

The battery pack is used for supplying power to the equipment, and the equipment is used for supplying power to the equipment.

Furthermore, in the identification circuit, one end of a resistor R50, one end of a resistor R9 and the anode of a diode D1 are connected to a node, the other end of the resistor R50 is used for connecting + 12-24V direct current for identifying power supply of an external power supply, and the other end of the resistor R9 is grounded; the cathode of the diode D1 is connected with a node between the diode D3 and the resistor R10, the node is connected with a node between the diode D7 and the resistor R12, and the other end of the resistor R10 is grounded; a node between the resistor R12 and the triode Q4 is connected with a capacitor C27, and the other end of the capacitor C27 is grounded; one end of the capacitor C26 is connected to a node between the diode D7 and the resistor R12, and the other end of the capacitor C26 is grounded; the collector of the transistor Q4 is connected to the node between the resistor R7 and the MOS transistor M1, i.e., the gate of the MOS transistor M1; the drain of the MOS transistor M1 is connected to the pin 1 of the DC/DC converter U3, one end of the capacitor C14 is connected to a node between the MOS transistor M1, the other end is grounded, the capacitor C1 is connected in parallel with the capacitor C1, the pin 2 of the DC/DC converter U1 is grounded, a node between the diode D1 and the resistor R1 and a node between the capacitor C1 and the resistor R1 are connected, the resistor R1 is connected to the transistor Q1, the diode D1 is connected in series with the resistor R1 and then connected in parallel with the transistor Q1, a node between the diode D1 and the resistor R1 and a node between the resistor R1 and the capacitor C1 are connected, the resistor R1 is connected to the transistor Q1, the capacitors C1 and the capacitors C1 are respectively connected in parallel with the transistor Q1, the pin 1 of the integrated circuit U1 is connected to one end of the integrated circuit U1, the

pins

2, 3, 4 and the other end of the integrated circuit U1 are connected to the corner L369, and the integrated circuit L1 is connected to the corner of the integrated circuit 369. The other end of the inductor L2 is connected with a node between the resistor 48 and the resistor 49, one end of the capacitor C51 is connected with the resistor R48, the other end of the capacitor C51 is connected with the resistor R49, and the capacitor C55 is connected with the capacitor C51 in parallel; the resistor R6 is connected with a pin 3 of the DC/DC converter U2, the pins 3 and 2 of the DC/DC converter U2 are respectively connected with two ends of the capacitor C12, the

pins

1 and 2 of the DC/DC converter U2 are respectively connected with two ends of the capacitor C11, and the diode D4 and the diode D5 are respectively connected with the capacitor C11 in parallel.

Further, when an external power supply supplies power, the identification circuit is connected with + 12-24V direct current, the equipment is triggered to be automatically started through a resistor R50 and a diode D1, and when the identification circuit is not connected with a HOLD _ ON pin or an IR _ DAT pin, the equipment is defaulted as receiving equipment; on the contrary, if the identification circuit is not connected with the + 12-24V direct current, the default equipment is the sending equipment.

Furthermore, in the identification circuit, a pin 8 of an integrated circuit U12 is connected with one end of a capacitor C42, the other end of the capacitor C42 is grounded, a pin 7 of the integrated circuit U12 is connected with a pin 1 of a filter L1, and a pin 6 of the integrated circuit U12 is connected with a pin 4 of the filter L1; one end of the resistor R41 is connected with the pin 8 of the integrated circuit U12, and the other end of the resistor R41 is connected with the pin 6 of the integrated circuit U12; one end of the resistor R41 is connected with a No. 7 pin of the integrated circuit U12, and the other end of the resistor R41 is grounded; one end of the resistor RL1 is connected with a pin No. 2 of the filter L1, a pin No. 2 COMB of the filter L1 and a pin No. 3 COMB of the filter L1 are used for access communication, and the other end of the resistor RL1 is connected with a node between the diode Z1 and the diode Z2; the node between the capacitor C43 and the battery C46 is grounded, one ends of the diode Z3 and the diode Z2 are connected to both ends of the diode Z1, and the other ends of the diode Z3 and the diode Z2 are grounded.

Further, when the identification circuit detects that a communication signal exists between the COMA pin and the COMB pin, the device is used as a receiving device; and when the communication signal between the COMA pin and the COMB pin is not detected, the device is used as a sending device.

Preferably, the wired interface is mounted to a left side wall of the housing.

Further, the use method for the coal mine methane collection, transceiving and integration wireless sensor is characterized in that when two integration wireless sensors are used simultaneously, namely the integration wireless sensor A and the integration wireless sensor B are used simultaneously, one of the integration wireless sensors is used as a sending device, and the other integration wireless sensor is used as a receiving device; when the electric quantity of the integrated wireless sensor A serving as the sending equipment is exhausted, the sending equipment and the receiving equipment are replaced, the situation that the ground charging is needed after the sending equipment is out of power is avoided, and the circulation is used for ensuring that the equipment is not powered off in the working process.

The invention has the following advantages and beneficial effects:

1. the invention is used for the coal mine methane acquisition and receiving integrated wireless sensor, realizes the coal mine receiving and transmitting self-adaptive underground wireless charging, reduces the labor force, increases the working efficiency, and plays a role in reducing the cost of equipment development and equipment qualification certification; the charging device avoids the need of charging the ground after the transmitting device is out of power, and the need of re-installing the underground after the charging is finished, or the need of preparing a standby transmitting device in advance.

2. The invention is used for the coal mine methane acquisition receiving and dispatching integrated wireless sensor, integrates the traditional 3 products of 'wired gas sensor', 'wireless gas sensor' and 'wireless signal receiver' into a 'coal mine receiving and dispatching self-adaptive underground charging wireless sensor' 1 product by integrating the product functions, and can save considerable product development and product qualification certification cost.

3. The invention is used for the coal mine methane acquisition, receiving and transmitting integrated wireless sensor, has simple structure and strong applicability, and solves the problems in the technical field.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a prior art transmitting device.

Fig. 2 shows a receiving apparatus in the prior art.

Fig. 3 is a schematic structural diagram of the integrated wireless sensor of the present invention.

Fig. 4 is a schematic circuit diagram of an identification circuit according to another embodiment of the present invention.

Fig. 5 is a schematic circuit diagram of an identification circuit according to yet another embodiment of the present invention.

Reference numbers and corresponding part names in the drawings:

1-a second wireless antenna, 2-a shell, 4-a second laser measuring probe, 5-a second alarm lamp, 6-a second handle, 7-a battery pack, 8-a display window, 9-a second display screen, 10-a wired interface, 20-a first alarm lamp, 30-a first display screen, 40-a first handle, 100-a first laser measuring probe, 200-a first wireless antenna, and 300-a charging port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.

Example 1

As shown in fig. 3, the wireless sensor for coal mine methane collection, transceiving and integration comprises a shell 2, a second handle 6 assembled at the top of the shell 2, a second laser measurement probe 4 and a second alarm lamp 5 assembled at the bottom of the shell 2, a battery pack 7 assembled inside the shell 2, a second display screen 9 communicated with the outside through a display window 8 for displaying signals, a circuit module and a wireless transmission module assembled inside the shell 2, a second wireless antenna 1 connected to the top of the shell 2 for butting the wireless transmission module, and a wired interface 10 for charging the battery pack; the integrated wireless sensor can be used as a sending device and a receiving device, namely, the power can be supplied by the built-in battery pack 7 or an external power supply can be connected through the wired interface 10. Preferably, the wired interface 10 is mounted to the left side wall of the housing 2.

The invention is improved on the basis of the prior art, the wireless sensor for collecting methane in the prior art needs two devices, namely a sending device and a receiving device, as shown in fig. 1 to fig. 2, fig. 1 is the sending device, fig. 2 is the receiving device, the sending device and the receiving device are both provided with a first handle 40 convenient for carrying, a first display screen 30 for displaying data and a first alarm lamp 20 for alarming, and the difference is that the sending device further comprises a first laser measuring probe 100 for detecting methane concentration, a wireless sending module for sending a methane concentration signal and a battery pack for charging all electric parts; it should be noted that, because the underground environment is special and cannot be powered by an external power supply, the battery pack in the sending device needs to be charged aboveground after the electric quantity of the battery pack is exhausted; the receiving device further includes a first wireless antenna 200 for interfacing with the wireless transmitting module and a charging port 300 for charging the receiving device; it should be noted that, because it is aboveground, the receiving device can be powered by an external power supply; the following two problems exist in practical use: 1. the receiving equipment and the sending equipment are two different equipments, and the corresponding cost for researching, developing, authenticating, producing and maintaining the two equipments is high; 2. the wireless sensor of the sending equipment is powered by a battery pack assembled in the sending equipment, and the ground charging is required after no electricity exists, or the sending equipment which is reserved in advance is used for replacing the sending equipment without electricity underground; if the underground charging is carried out after charging such as ground charging is finished, the underground charging cannot work in the charging period, the charging time is long, and the time is wasted; the spare sending equipment needs to be additionally provided with one spare equipment in advance, so that the cost is increased, and the utilization rate of the equipment is low. The invention is characterized in that the traditional sending equipment and the traditional receiving equipment are combined into a whole, so that the sending equipment and the receiving equipment have the same structure, and the integrated wireless sensor can be used as the sending equipment and the receiving equipment, and can be powered by a battery pack or an external power supply through a wired interface. After the arrangement, when the electric quantity of the sending equipment is exhausted, the sending equipment and the receiving equipment are replaced, and the situation that the sending equipment needs to be charged on the ground after no electricity exists is avoided, or the sending equipment which is reserved in advance is lifted to the underground to replace the no-electricity sending equipment is avoided.

Example 2

This embodiment is further improved on the basis of embodiment 1, and further includes an identification circuit, and when the identification circuit identifies that the device is powered by the external power source, the device is defaulted as a receiving device, and when the identification circuit identifies that the device is powered by the battery pack 7, the device is defaulted as a transmitting device.

Example 3

The embodiment is further improved on the basis of the embodiment 2, in the identification circuit, one end of a resistor R50, one end of a resistor R9 and the anode of a diode D1 are connected to a node, the other end of the resistor R50 is used for accessing + 12-24V direct current and identifying power supply of the battery pack 7, and the other end of the resistor R9 is grounded; the cathode of the diode D1 is connected with a node between the diode D3 and the resistor R10, the node is connected with a node between the diode D7 and the resistor R12, and the other end of the resistor R10 is grounded; a node between the resistor R12 and the triode Q4 is connected with a capacitor C27, and the other end of the capacitor C27 is grounded; one end of the capacitor C26 is connected to a node between the diode D7 and the resistor R12, and the other end of the capacitor C26 is grounded; the collector of the transistor Q4 is connected to the node between the resistor R7 and the MOS transistor M1, i.e., the gate of the MOS transistor M1; the drain of the MOS transistor M1 is connected to the pin 1 of the DC/DC converter U3, one end of the capacitor C14 is connected to a node between the MOS transistor M1, the other end is grounded, the capacitor C1 is connected in parallel with the capacitor C1, the pin 2 of the DC/DC converter U1 is grounded, a node between the diode D1 and the resistor R1 and a node between the capacitor C1 and the resistor R1 are connected, the resistor R1 is connected to the transistor Q1, the diode D1 is connected in series with the resistor R1 and then connected in parallel with the transistor Q1, a node between the diode D1 and the resistor R1 and a node between the resistor R1 and the capacitor C1 are connected, the resistor R1 is connected to the transistor Q1, the capacitors C1 and the capacitors C1 are respectively connected in parallel with the transistor Q1, the pin 1 of the integrated circuit U1 is connected to one end of the integrated circuit U1, the pins 2, 3, 4 and the other end of the integrated circuit U1 are connected to the corner L369, and the integrated circuit L1 is connected to the corner of the integrated circuit 369. The other end of the inductor L2 is connected with a node between the resistor 48 and the resistor 49, one end of the capacitor C51 is connected with the resistor R48, the other end of the capacitor C51 is connected with the resistor R49, and the capacitor C55 is connected with the capacitor C51 in parallel; the resistor R6 is connected with a pin 3 of the DC/DC converter U2, the pins 3 and 2 of the DC/DC converter U2 are respectively connected with two ends of the capacitor C12, the

pins

When an external power supply supplies power, the identification circuit is connected with + 12-24V direct current, the equipment is triggered to be automatically started through a resistor R50 and a diode D1, and when the identification circuit is not connected with a HOLD _ ON pin or an IR _ DAT pin, the equipment is defaulted as receiving equipment; on the contrary, if the identification circuit is not connected with the + 12-24V direct current, the default equipment is the sending equipment.

Example 4

The embodiment is improved again on the basis of the embodiment 2, in the identification circuit, the pin 8 of the integrated circuit U12 is connected with one end of the capacitor C42, the other end of the capacitor C42 is grounded, the pin 7 of the integrated circuit U12 is connected with the pin 1 of the filter L1, and the pin 6 of the integrated circuit U12 is connected with the pin 4 of the filter L1; one end of the resistor R41 is connected with the pin 8 of the integrated circuit U12, and the other end of the resistor R41 is connected with the pin 6 of the integrated circuit U12; one end of the resistor R41 is connected with a No. 7 pin of the integrated circuit U12, and the other end of the resistor R41 is grounded; one end of the resistor RL1 is connected with a pin No. 2 of the filter L1, a pin No. 2 COMB of the filter L1 and a pin No. 3 COMB of the filter L1 are used for access communication, and the other end of the resistor RL1 is connected with a node between the diode Z1 and the diode Z2; the node between the capacitor C43 and the battery C46 is grounded, one ends of the diode Z3 and the diode Z2 are connected to both ends of the diode Z1, and the other ends of the diode Z3 and the diode Z2 are grounded.

When the identification circuit detects that a communication signal exists between the COMA pin and the COMB pin, the equipment is used as receiving equipment; and when the communication signal between the COMA pin and the COMB pin is not detected, the device is used as a sending device.

Example 5

The embodiment of the invention relates to a using method of an integrated wireless sensor, which is used for a using method of a coal mine methane collecting, transceiving and integrated wireless sensor, when two integrated wireless sensors are used simultaneously, namely an integrated wireless sensor A and an integrated wireless sensor B are used simultaneously, one of the integrated wireless sensors is used as a sending device, and the other integrated wireless sensor is used as a receiving device; when the electric quantity of the integrated wireless sensor A serving as the sending equipment is exhausted, the sending equipment and the receiving equipment are replaced, the situation that the ground charging is needed after the sending equipment is out of power is avoided, and the circulation is used for ensuring that the equipment is not powered off in the working process.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The wireless sensor for coal mine methane collection and transceiving integration comprises a shell (2), a second handle (6) assembled at the top of the shell (2), a second laser measuring probe (4) and a second alarm lamp (5) assembled at the bottom of the shell (2), a battery pack (7) assembled in the shell (2), a second display screen (9) communicated with the outside through a display window (8) and used for displaying signals, and a circuit module and a wireless sending module assembled in the shell (2), and is characterized by further comprising a second wireless antenna (1) connected to the top of the shell (2) and used for butting the wireless sending module, and a wired interface (10) used for charging the battery pack (7); the integrated wireless sensor can be used as a sending device or a receiving device, namely, power can be supplied through a built-in battery pack (7) or an external power supply can be connected through a wired interface (10);

the device also comprises an identification circuit, when the identification circuit identifies that the device is powered by an external power supply, the device is defaulted to be a receiving device, and when the identification circuit identifies that the device is powered by a battery pack (7), the device is defaulted to be a sending device;

in the identification circuit, one end of a resistor R50, one end of a resistor R9 and the anode of a diode D1 are connected to a node, the other end of the resistor R50 is used for being connected with + 12-24V direct current and used for identifying power supply of a battery pack (7), and the other end of the resistor R9 is grounded; the cathode of the diode D1 is connected with a node between the diode D3 and the resistor R10, the node is connected with a node between the diode D7 and the resistor R12, and the other end of the resistor R10 is grounded; a node between the resistor R12 and the triode Q4 is connected with a capacitor C27, and the other end of the capacitor C27 is grounded; one end of the capacitor C26 is connected to a node between the diode D7 and the resistor R12, and the other end of the capacitor C26 is grounded; the collector of the transistor Q4 is connected to the node between the resistor R7 and the MOS transistor M1, i.e., the gate of the MOS transistor M1; the drain of the MOS transistor M1 is connected to the pin 1 of the DC/DC converter U3, one end of the capacitor C14 is connected to a node between the MOS transistor M1, the other end is grounded, the capacitor C1 is connected in parallel with the capacitor C1, the pin 2 of the DC/DC converter U1 is grounded, a node between the diode D1 and the resistor R1 and a node between the capacitor C1 and the resistor R1 are connected, the resistor R1 is connected to the transistor Q1, the diode D1 is connected in series with the resistor R1 and then connected in parallel with the transistor Q1, a node between the diode D1 and the resistor R1 and a node between the resistor R1 and the capacitor C1 are connected, the resistor R1 is connected to the transistor Q1, the capacitors C1 and the capacitors C1 are respectively connected in parallel with the transistor Q1, the pin 1 of the integrated circuit U1 is connected to one end of the integrated circuit U1, the pins 2, 3, 4 and the other end of the integrated circuit U1 are connected to the corner L369, and the integrated circuit L1 is connected to the corner of the integrated circuit 369. The other end of the inductor L2 is connected with a node between the resistor 48 and the resistor 49, one end of the capacitor C51 is connected with the resistor R48, the other end of the capacitor C51 is connected with the resistor R49, and the capacitor C55 is connected with the capacitor C51 in parallel; the resistor R6 is connected with a pin 3 of the DC/DC converter U2, the pin 3 and the pin 2 of the DC/DC converter U2 are respectively connected with two ends of the capacitor C12, the pin 1 and the pin 2 of the DC/DC converter U2 are respectively connected with two ends of the capacitor C11, and the diode D4 and the diode D5 are respectively connected with the capacitor C11 in parallel;

or the like, or, alternatively,

in the identification circuit, a pin 8 of an integrated circuit U12 is connected with one end of a capacitor C42, the other end of a capacitor C42 is grounded, a pin 7 of the integrated circuit U12 is connected with a pin 1 of a filter L1, and a pin 6 of the integrated circuit U12 is connected with a pin 4 of a filter L1; one end of the resistor R41 is connected with the pin 8 of the integrated circuit U12, and the other end of the resistor R41 is connected with the pin 6 of the integrated circuit U12; one end of the resistor R41 is connected with a No. 7 pin of the integrated circuit U12, and the other end of the resistor R41 is grounded; one end of the resistor RL1 is connected with a pin No. 2 of the filter L1, a pin No. 2 COMB of the filter L1 and a pin No. 3 COMB of the filter L1 are used for access communication, and the other end of the resistor RL1 is connected with a node between the diode Z1 and the diode Z2; the node between the capacitor C43 and the battery C46 is grounded, one ends of the diode Z3 and the diode Z2 are connected to both ends of the diode Z1, and the other ends of the diode Z3 and the diode Z2 are grounded.

2. The coal mine methane collection transceiving integrated wireless sensor as recited in claim 1, wherein when an external power supply supplies power, the identification circuit is connected with + 12-24V direct current, the device is triggered to be automatically started through a resistor R50 and a diode D1, and when the identification circuit is not connected with a HOLD _ ON pin or an IR _ DAT pin, the device is defaulted as a receiving device; on the contrary, if the identification circuit is not connected with the + 12-24V direct current, the default equipment is the sending equipment.

3. The coal mine methane collection transceiving integrated wireless sensor as recited in claim 1, wherein when the identification circuit detects that a communication signal exists between a COMA pin and a COMB pin, the device is used as a receiving device; and when the communication signal between the COMA pin and the COMB pin is not detected, the device is used as a sending device.

4. The integrated wireless sensor for coal mine methane collection and transceiving of claim 1, wherein the wired interface (10) is mounted on a left side wall of the housing (2).

5. The use method of the integrated wireless sensor for collecting and transmitting the coal mine methane is characterized in that according to the integrated wireless sensor of any one of claims 1 to 4, when two integrated wireless sensors are used simultaneously, namely the integrated wireless sensor A and the integrated wireless sensor B are used simultaneously, one of the integrated wireless sensors is used as a sending device, and the other integrated wireless sensor is used as a receiving device; when the electric quantity of the integrated wireless sensor A serving as the sending equipment is exhausted, the sending equipment and the receiving equipment are replaced, the situation that the ground charging is needed after the sending equipment is out of power is avoided, and the circulation is used for ensuring that the equipment is not powered off in the working process.