Mining intrinsic safety type wireless multi-parameter transmitter
By integrating pressure, temperature and vibration measurement functions, the intrinsically safe wireless multi-parameter transmitter for mining has solved the problems of traditional transmitters measuring single parameters and wired transmission, and has achieved high-precision, stable and long standby time mine safety monitoring.
Patent Information
- Application Number
- CN202520610444.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Traditional mining transmitters can only measure a single parameter and cannot simultaneously measure pressure, temperature, and vibration. They also use wired transmission, which limits their application range, results in low measurement accuracy, requires frequent battery replacements, and increases maintenance costs and safety hazards.
An intrinsically safe wireless multi-parameter transmitter for mining applications was designed, integrating pressure, temperature, and vibration measurement functions. It adopts wireless transmission, uses a high-precision ADC data acquisition unit and a high-performance MEMS chip, supports multiple wireless transmission methods, is equipped with a removable high-energy lithium battery, and has a corrosion-resistant housing and top cover. It also features data acquisition and alarm functions.
It enables simultaneous measurement of pressure, temperature, and vibration, improving measurement accuracy and signal stability, extending standby time, reducing maintenance costs, and enhancing the comprehensiveness and convenience of mine safety monitoring.
Smart Images
Figure CN223910297U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mine safety detection technical field especially relates to a mine intrinsic safety type wireless multi -parameter transmitter. BACKGROUND
[0002] The mine transmitter is a kind of equipment specially applied in mine environment, for detecting and converting various physical quantities, its main function is to convert the non-electric physical quantity in mine, such as pressure, temperature, gas concentration, displacement etc., into standard electric signal, to facilitate transmission, processing and monitoring, guarantee the safe production and efficient operation of mine.The conventional mine transmitter can usually only measure single parameter, such as only pressure or temperature can be measured, pressure, temperature and vibration cannot be measured simultaneously, and wired mode is used to transmit signal, which limits the application of mine transmitter in different mine environments, measurement precision is lower, battery needs to be frequently replaced, maintenance cost and work difficulty are increased, and also increase the safety hidden trouble under mine. UTILITY MODEL CONTENT
[0003] In view of the defects in the prior art, the application provides a mine intrinsic safety type wireless multi-parameter transmitter to solve the technical problems in the prior art.
[0004] In order to achieve the purpose of the above-mentioned utility model, the technical scheme provided by the utility model is as follows:
[0005] A mine intrinsic safety type wireless multi-parameter transmitter, comprising a shell, a battery compartment is arranged on one side of the shell, a battery is fixedly arranged in the battery compartment, a connector assembly connected with a device to be measured is arranged on the other side of the shell, a sensor is fixedly arranged in the connector assembly, the sensor is a pressure and temperature sensitive element, a circuit board is also fixedly arranged on the other side of the shell, a vibration measurement chip and an antenna are fixedly arranged on the circuit board, the battery is electrically connected to the circuit board through a wire, the connector assembly is electrically connected to the circuit board through a wire, and the antenna is used to send wireless signals.
[0006] In one embodiment, the outer surface of the connector assembly is provided with threads, a fixing ring is arranged above the sensor, the fixing ring fixes the sensor in the connector assembly, and a first sealing ring is arranged between the connector assembly and the shell.
[0007] In one embodiment, the sensor comprises a pressure core and a temperature probe.
[0008] In one embodiment, a collector is also arranged in the connector assembly, the collector is a 24-bit high-precision ADC collector, and the vibration measurement chip is a high-performance MEMS chip.
[0009] In an embodiment, an upper cover is arranged above the circuit board, the upper cover is fixedly connected with the shell, the material of the upper cover is anti-static polyformaldehyde, and a second sealing ring is arranged between the upper cover and the shell.
[0010] In an embodiment, the signals that can be transmitted by the antenna include LORA, LORAWAN, WIFI and BLE.
[0011] In an embodiment, the battery is a high-energy lithium battery pack, the high-energy lithium battery pack is detachably connected with the shell, one end of the battery compartment is open, an end cover is arranged at the open end of the battery compartment, the end cover is detachably connected with the shell, and a third sealing ring is arranged between the end cover and the shell.
[0012] In an embodiment, the material of the shell is stainless steel.
[0013] In an embodiment, the transmitter collects measurement data and reports data at a fixed time, the transmitter is wirelessly connected with a control unit, the control unit can set the collection period and the reporting period of the transmitter, and the control unit can also set a threshold alarm value of the transmitter, and when the parameter collected by the transmitter exceeds the threshold alarm value, the control unit controls the alarm unit to issue an alarm.
[0014] Compared with the prior art, the present application has at least the following beneficial effects:
[0015] The mine intrinsic safety type wireless multi-parameter transmitter in the present application not only includes a pressure temperature sensitive element, but also includes a vibration measurement chip and an antenna, can measure three parameters of pressure, temperature and vibration at the same time, provides strong support for comprehensive monitoring of mine environment and equipment operation state, can more accurately judge the operation state of mine equipment, and timely discovers potential safety hazards to avoid equipment failure and safety accidents;
[0016] The antenna supports multiple wireless transmission modes such as LORA, LORAWAN, WIFI and BLE, so that the transmitter can adapt to different mine environments and signal transmission requirements, the diversified wireless transmission modes improve the stability and reliability of signal transmission, at the same time, also facilitate the installation and use of users, and realize remote control of the transmitter;
[0017] A 24-bit high-precision ADC collector is arranged in the joint assembly, the measurement accuracy of the transmitter is improved, more accurate data support is provided for mine safety monitoring, and the safety production level of the mine is improved;
[0018] The battery is a detachable high-energy lithium battery pack, which improves the standby time of the transmitter, prolongs the standby time of the transmitter, reduces the frequency of battery replacement, reduces the maintenance cost and the difficulty of work, and at the same time, the detachable design also facilitates the user to replace the battery when the battery is insufficient, and ensures the normal work of the transmitter.
[0019] The material of the shell is stainless steel, and the upper cover arranged above the antenna is made of anti-static polyformaldehyde material, that is, the overall strength of the transmitter is ensured, and the receiving and transmitting of the wireless signal is ensured; the data acquisition period, the reporting period and the threshold alarm value of the transmitter can be adjusted in the application, the needs of different users are met, and the applicability and convenience of the transmitter are improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Fig. 1 is the internal structure schematic diagram of the mine intrinsic safety type wireless multi-parameter transmitter in the embodiment of the application;
[0021] Fig. 2 is the top view of the mine intrinsic safety type wireless multi-parameter transmitter in the embodiment of the application.
[0022] The reference signs are as follows: 1, joint assembly; 2, first sealing ring; 3, sensor; 4, fixing ring; 5, second sealing ring; 6, antenna; 7, upper cover; 8, circuit board; 9, shell; 10, third sealing ring; 11, end cover; 12, jackscrew; 13, battery; 14, wire; 15, fixing screw; 16, vibration measurement chip. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the present application more clear and obvious, the following describes the present application through specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.
[0024] The terms used in the present disclosure are only for the purpose of describing specific embodiments, and are not intended to limit the present disclosure. The singular forms "a", "said" and "the" used in the present disclosure and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.
[0025] It should be understood that, although the terms first, second, third, etc. can be employed in this disclosure to describe various information, these information should not be limited to these terms, and cannot be understood as indicating or implying relative importance. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the disclosure, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "when" or "upon" or "in response to determining".
[0026] In the description of the utility model, unless otherwise specified and limited, it needs to be explained that the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be mechanical connection, or the communication between two elements, it can be directly connected, or indirectly connected through intermediate medium, for ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0027] In order to better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings.
[0028] As shown in Figs. 1-2 The application provides a mine intrinsic safety type wireless multi-parameter transmitter, which comprises a shell 9, a battery compartment is arranged on one side of the shell 9, a battery is fixedly arranged in the battery compartment, a connector assembly 1 connected with a device to be measured is arranged on the other side of the shell 9, a sensor 3 is fixedly arranged in the connector assembly 1, the sensor 3 is a pressure and temperature sensitive element, a circuit board 8 is also fixedly arranged on the other side of the shell 9, a vibration measurement chip 16 and an antenna 6 are fixedly arranged on the circuit board 8, the battery is electrically connected with the circuit board 8 through a wire 8, the connector assembly 1 is electrically connected with the circuit board 8 through the wire 8, and the antenna 6 is used to send wireless signals.
[0029] The outer surface of the connector assembly 1 is provided with threads, so as to connect the transmitter with the device to be measured. A fixing ring 4 is arranged above the sensor 3, the fixing ring 4 fixes the sensor 3 on the connector assembly 1, and a first sealing ring 2 is arranged between the connector assembly 1 and the shell 9, so as to ensure the sealing property of the transmitter. The sensor 3 comprises a pressure core body and a temperature probe, so as to realize accurate measurement of pressure and temperature. An acquisition device is also arranged in the connector assembly 1, in order to improve the measurement accuracy, reduce errors and provide more accurate data for mine safety monitoring, the acquisition device in the embodiment is a 24-bit high-precision ADC acquisition device, and the vibration measurement chip 16 is a high-performance MEMS chip.
[0030] An upper cover 7 is arranged above the circuit board 8, the upper cover 7 is fixedly connected with the shell 9, as shown in Fig. 2As shown, the upper cover 7 is fixedly connected with the shell 9 by the fixing screw 15, and the material of the upper cover 7 is anti-static Polyoxymethylene (POM) material, which ensures the normal transmission of wireless signals and the overall strength of the transmitter. Similarly, to ensure the sealing of the transmitter, the second sealing ring 5 is arranged between the upper cover 7 and the shell 9. The signals that can be transmitted by the antenna 6 include LORA, LORAWAN, WIFI and BLE, so as to improve the signal transmission stability and reliability of the transmitter in different mine environments, and facilitate the installation and use of users.
[0031] The battery is a high-energy lithium battery pack, which prolongs the standby time of the transmitter, reduces the frequency of battery replacement, and reduces the cost and difficulty of maintaining the transmitter. In order to facilitate the replacement of the battery, the high-energy lithium battery pack is detachably connected with the shell, one end of the battery compartment is open, the open end of the battery compartment is provided with an end cover 11, and the end cover 11 is detachably connected with the shell 9. In the embodiment, the end cover 11 is in the shape of a concave letter, the end cover 11 can be buckled at the end of the shell 9, and the side edge of the end cover 11 is provided with a jack 12. The end cover 11 is detachably connected with the shell 9 through the jack 12. In order to ensure the sealing of the transmitter, the third sealing ring 10 is arranged between the end cover 11 and the shell 9. The material of the shell 9 is stainless steel, which ensures the corrosion resistance and wear resistance of the transmitter, so that the transmitter can maintain stable performance in the harsh environment of the mine.
[0032] The transmitter collects measurement data and reports data at regular intervals, and the transmitter is wirelessly connected with the control unit. The control unit can set the collection period and reporting period of the transmitter, and the control unit can also set the threshold alarm value of the transmitter. When the parameters collected by the transmitter exceed the threshold alarm value, the control unit controls the alarm unit to issue an alarm. Through the setting of the control unit, the needs of different users can be met, and the applicability and convenience of the transmitter are improved. Users can set the collection and reporting period according to the actual situation, so as to timely grasp the changes of the mine environment and the equipment operation state; when the alarm value is triggered, the instrument can report data in time, and timely remind the user to take corresponding measures.
[0033] In this embodiment, the transmitter measures the pressure range, the pressure range is 0-100 MPa, to meet the demand of pressure measurement in different mine environment. The pressure zero point temperature drift is ±0.03% FS / ℃, the full range temperature drift is ±0.03% FS / ℃, to ensure the measurement stability of the transmitter in different temperature. The transmitter measures the temperature range of-40℃-+200℃, to accurately measure the temperature change in the mine, and provide important parameters for mine safety monitoring. The transmitter measures the vibration speed range of 0-50 mm / s, the vibration speed measurement accuracy is ±3% FS, the long-term stability (1 year) is ±0.25% Span, the comprehensive accuracy (including non-linearity, hysteresis, repeatability) is 1% FS, these parameters ensure the accurate measurement of the transmitter to vibration, and provide reliable data for the operation state monitoring of mine equipment. The overload pressure of the transmitter is 1.5X Rated, the breaking pressure is 3X Rated, to improve the reliability and safety of the transmitter. The compensation temperature of the transmitter is-20-+80℃, the working temperature is-40-+85℃, the storage temperature is-40-+125℃, the protection level is IP65, these parameters make the transmitter can work normally in various harsh mine environment.
[0034] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that; the specific embodiments of the present application can still be modified or some technical features can be replaced by equivalent; without departing from the spirit of the technical scheme of the present application, they should be covered in the technical scheme range of the present application claimed by the present application.
Claims
1. A mine-used intrinsically safe wireless multi-parameter transmitter, characterized in that, Including the shell, one side of the shell is provided with battery compartment, battery compartment is fixedly provided with battery, the other side of the shell is provided with the connector assembly connected with the device to be measured, the connector assembly is provided with the sensor fixedly arranged, the sensor is pressure temperature sensitive element, the other side of the shell is also fixedly provided with circuit board, the circuit board is fixedly provided with vibration measurement chip and antenna, battery and circuit board are electrically connected by wire, connector assembly and circuit board are electrically connected by wire, the antenna is used to send wireless signal.
2. The mine intrinsically safe wireless multi-parameter transmitter of claim 1, wherein, The outer surface of the connector assembly is provided with a thread, and the upper side of the sensor is provided with a fixing ring, which fixes the sensor in the connector assembly, and a first sealing ring is arranged between the connector assembly and the shell.
3. The mine intrinsically safe wireless multi-parameter transmitter of claim 2, wherein, The sensor includes a pressure core and a temperature probe.
4. The mine intrinsically safe wireless multi-parameter transmitter of claim 1, wherein, The connector assembly is also provided with a collector, which is a 24-bit high-precision ADC collector, and the vibration measurement chip is a high-performance MEMS chip.
5. The mine intrinsically safe wireless multi-parameter transmitter of claim 1, wherein, The upper side of the circuit board is provided with an upper cover, and the upper cover is fixedly connected with the shell, the material of the upper cover is anti-static polyformaldehyde material, and a second sealing ring is arranged between the upper cover and the shell.
6. The mine intrinsically safe wireless multi-parameter transmitter of claim 1, wherein, The signals that the antenna can send include LORA, LORAWAN, WIFI and BLE.
7. The mine intrinsically safe wireless multi-parameter transmitter of claim 1, wherein, The battery is a high-energy lithium battery pack, which is detachably connected with the shell, one end of the battery compartment is open, and the open end of the battery compartment is provided with an end cover, which is detachably connected with the shell, and a third sealing ring is arranged between the end cover and the shell.
8. The mine personal safety wireless multi-parameter transmitter of claim 1, wherein, The material of the shell is stainless steel.
9. The mine personal safety wireless multi-parameter transmitter of claim 1, wherein, The transmitter collects measurement data and reports data at regular intervals, and the transmitter is wirelessly connected with the control unit, the control unit can set the collection period and the reporting period of the transmitter, and the control unit can also set the threshold alarm value of the transmitter, when the parameter collected by the transmitter exceeds the threshold alarm value, the control unit controls the alarm unit to issue an alarm.