A coal mine data exchange system

Abstract

The present invention relates to the field of coal mine information technology, and in particular to a coal mine data exchange system, comprising: a data acquisition module for collecting underground environment data information of coal mines and data information of coal mine production equipment; a data transmission module for determining the transmission mode of coal mine data according to the data complexity of the coal mine data; a transmission optimization module for determining whether the coal mine data is low-similarity data or high-similarity data according to data similarity, and for determining whether the importance of the coal mine data is controllable according to the data transmission time limit, and adjusting the data transmission mode to preset interval data transmission or establishing parallel transmission channels or increasing the first preset accuracy rate and the second preset accuracy rate by the same amplitude, and for determining whether the establishment of parallel transmission channels is qualified according to channel evaluation values; a data exchange module for exchanging data with a user terminal, thereby improving the data transmission efficiency of the coal mine data exchange system.

Description

Technical Field

[0001] The present invention relates to the technical field of coal mine informatization, and in particular to a coal mine data exchange system. Background Art

[0002] Coal mine informatization refers to the collection, transmission, processing, application and integration of information on mine geography, production, safety, equipment, management and market, so as to achieve automation goals.

[0003] Coal mine data is the core resource that promotes innovation in coal mine application models, development of intelligent technologies and improvement of market competitiveness. In the process of intelligent construction, coal mine enterprises have established a wide variety of intelligent systems for data collection and exchange, involving many devices. In the process of coal mine data exchange, the data transmission stage is crucial to the accuracy and efficiency of the coal mine data exchange system.

[0004] Chinese patent publication number: CN111005765B, discloses a method and system for underground data transmission in a coal mine, the method comprising: the sensor transmits data information to a substation; the substation determines whether the data information is correct, if not, the sensor is calibrated, if yes, the substation transmits the data information to the server; the server queries the data information of the substation; the substation performs information reply processing on the received data information, the information reply processing includes the server replying to the substation and the substation replying to the sensor; the transmission status between the server and the substation is judged by the server replying to the substation, and the transmission status between the substation and the sensor is judged by the substation replying to the sensor. It can be seen that in the above technical scheme, the data information does not consider the interference of similar data on data transmission during the transmission process, resulting in unreliable data transmission, thereby reducing the efficiency of data exchange. Summary of the invention

[0005] To this end, the present invention provides a coal mine data exchange system to overcome the problem in the prior art that similar data does not interfere with data transmission, resulting in unreliable data transmission and thus reducing data exchange efficiency.

[0006] To achieve the above object, the present invention provides a coal mine data exchange system, comprising:

[0007] Data collection module, used to collect coal mine data, including underground environment data information and coal mine production equipment data information;

[0008] A data transmission module, which is connected to the data acquisition module and is used to determine a transmission mode of the coal mine data according to the data complexity of the coal mine data, wherein the transmission mode includes a simple transmission mode and a complex transmission mode;

[0009] a transmission optimization module, which is connected to the data transmission module, and is used to determine whether the coal mine data is low-similarity data or high-similarity data according to data similarity, and to determine whether the importance of the coal mine data is controllable according to the data transmission time limit, and to adjust the data transmission mode, wherein the adjustment mode includes preset interval data transmission, establishment of parallel transmission channels, or increasing the reference parameters of the transmission judgment of the coal mine data by the same amplitude, and to determine whether the establishment of the parallel transmission channel is qualified according to the channel evaluation value, wherein the reference parameters include a first preset recognition accuracy rate and a second preset recognition accuracy rate;

[0010] The data exchange module is connected to the data transmission module and the transmission optimization module respectively, and is used to exchange data with the user terminal.

[0011] Furthermore, the data transmission module determines the transmission mode of the coal mine data according to the data complexity, wherein:

[0012] If the data complexity is less than the preset data complexity, the data transmission module determines that the transmission mode of the coal mine data is a simple transmission mode;

[0013] If the data complexity is greater than or equal to the preset data complexity, the data transmission module determines that the transmission mode of the coal mine data is a complex transmission mode;

[0014] The coal mine data is obtained through the data acquisition module;

[0015] The data complexity is determined based on the number of data bytes and the data update frequency.

[0016] Furthermore, under the condition that the transmission mode of the coal mine data is the simple transmission mode, the data transmission module determines to transmit the coal mine data according to the comparison result that the recognition accuracy of the coal mine data is greater than or equal to the first preset recognition accuracy rate.

[0017] Furthermore, the data transmission module determines the accurately identified data entries in the identified coal mine data based on the comparison between the coal mine data and the reference data, and determines the ratio between the accurately identified data entries and the total data entries as the identification accuracy rate.

[0018] Furthermore, under the condition that the transmission mode of the coal mine data is the complex transmission mode, the data transmission module determines to transmit the coal mine data based on the comparison result that the recognition accuracy of the coal mine data is greater than or equal to the second preset recognition accuracy rate; the second preset recognition accuracy rate is greater than the first preset recognition accuracy rate.

[0019] Furthermore, the transmission optimization module determines the type of the coal mine data according to the data similarity, wherein:

[0020] If the data similarity is less than the preset data similarity, the transmission optimization module determines that the coal mine data is low-similarity data;

[0021] If the data similarity is greater than or equal to the preset data similarity, the transmission optimization module determines that the coal mine data is high-similarity data; wherein the data similarity is calculated by a Euclidean distance algorithm.

[0022] Furthermore, the transmission optimization module determines whether the importance of the coal mine data is controllable according to the data transmission time limit, wherein:

[0023] If the data transmission time limit is less than the preset transmission time limit, the transmission optimization module determines that the importance of the coal mine data is uncontrollable;

[0024] If the data transmission time limit is greater than or equal to the preset transmission time limit, the transmission optimization module determines that the importance of the coal mine data is controllable.

[0025] Further, the transmission optimization module determines that the adjustment method of the coal mine data is to perform interval transmission of the high-similarity data in the coal mine data based on the condition that the importance of the coal mine data is controllable and the coal mine data is high-similarity data;

[0026] Or, the transmission optimization module determines that the adjustment method of the coal mine data is to establish a parallel transmission channel for data transmission based on the condition that the importance of the coal mine data is uncontrollable and the coal mine data is high-similarity data;

[0027] Alternatively, the transmission optimization module determines, based on the condition that the importance of the coal mine data is uncontrollable and the coal mine data is low-similarity data, that the adjustment method of the coal mine data is to increase the first preset recognition accuracy rate and the second preset recognition accuracy rate according to the difference between the data transmission time limit and the preset transmission time limit.

[0028] Furthermore, the transmission optimization module is provided with several accuracy increasing methods for the first preset recognition accuracy and the second preset recognition accuracy, and each accuracy adjustment method increases the first preset recognition accuracy and the second preset recognition accuracy in a different way, wherein the first preset recognition accuracy and the second preset recognition accuracy increase by the same magnitude.

[0029] Furthermore, the transmission optimization module determines whether the establishment of the parallel transmission channel is qualified according to the channel evaluation value, wherein:

[0030] If the channel evaluation value is less than the preset channel evaluation value, the transmission optimization module determines that the establishment of the parallel transmission channel is qualified and transmits the coal mine data;

[0031] If the channel evaluation value is greater than or equal to the preset channel evaluation value, the transmission optimization module determines that the establishment of the parallel transmission channel is unqualified and stops the transmission of the coal mine data; the channel evaluation value is determined by the transmission accuracy of the sample data and the transmission time of the sample data.

[0032] Compared with the prior art, the beneficial effects of the present invention are that the present invention provides real-time coal mine data for the system by collecting environmental information and production equipment information underground in the coal mine; determines the transmission mode of the coal mine data by the complexity of the data and the recognition accuracy of the coal mine data, and intelligently selects the appropriate transmission mode; dynamically adjusts the transmission mode by the importance of the data and the similarity of the data, including simple transmission or complex transmission, evaluates the importance of the data, and thus adopts corresponding transmission strategies to ensure the timely transmission of key data and avoid interference from similar data; at the same time, verifies the reliability of the parallel transmission channel by the channel evaluation value, thereby improving the efficiency of data transmission in the coal mine data exchange system.

[0033] Furthermore, the present invention determines the transmission mode of the coal mine data by the data complexity and the recognition accuracy, allocates appropriate transmission modes to different types of data, and improves the applicability of the system.

[0034] Furthermore, the present invention determines the type of the coal mine data through the data similarity of the transmission optimization module. For low-similarity data, data can be transmitted at preset intervals to reduce frequent data transmission; for high-similarity data, parallel transmission channels are established for transmission, thereby reducing the interference of similar data on the transmission process.

[0035] Furthermore, the present invention determines whether the importance of the coal mine data is controllable according to the data transmission time limit through the transmission optimization module, so that the system can flexibly adjust the transmission strategy according to different situations, thereby improving the speed and reliability of data transmission.

[0036] Furthermore, the present invention considers that during the transmission process, if two sets of data follow the same transmission protocol and they originate from similar data sources, then the data content may be similar, and repeated transmission of similar data will take up more bandwidth and time. By setting the data similarity and the importance of the coal mine data, the data transmission method is adjusted to reduce the interference of similar data on data transmission.

[0037] Furthermore, the present invention is provided with several accuracy increasing methods for the first preset recognition accuracy and the second preset recognition accuracy through the transmission optimization module, and each accuracy adjustment method increases the first preset recognition accuracy and the second preset recognition accuracy in a different way, thereby achieving precise control of the increase range of the first preset recognition accuracy and the second preset recognition accuracy.

[0038] Furthermore, the present invention determines whether the establishment of the parallel transmission channel is qualified through the channel evaluation value, comprehensively and objectively reflects the performance status of the channel, and effectively avoids problems such as data loss, bit error or delay due to channel quality problems during transmission, thereby ensuring the stability of data transmission.

[0039] Furthermore, the present invention provides an evaluation index for channel performance evaluation by setting a channel evaluation value, thereby improving the reliability of data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A schematic diagram of a coal mine data exchange system according to an embodiment of the present invention;

[0041] Figure 2 A flow chart of determining the transmission method of the coal mine data according to an embodiment of the present invention;

[0042] Figure 3 A flow chart of determining the type of the coal mine data according to an embodiment of the present invention;

[0043] Figure 4 The present invention is a flowchart for determining whether the establishment of the parallel transmission channel is qualified. DETAILED DESCRIPTION

[0044] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0045] It should be pointed out that the data in this embodiment are obtained by comprehensive analysis and evaluation of the historical detection data of the central control processor of the present invention in the three months before this detection and the corresponding historical detection results. It can be understood by those skilled in the art that the determination method of the system of the present invention for a single parameter mentioned above can be to select the value with the highest proportion as the preset standard parameter according to the data distribution, use weighted summation to use the obtained value as the preset standard parameter, substitute each historical data into a specific formula and use the value obtained by the formula as the preset standard parameter or other selection methods, as long as the system of the present invention can clearly define the different specific situations in the single determination process through the obtained values.

[0046] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0047] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, they are respectively a schematic diagram of a coal mine data exchange system according to an embodiment of the present invention; a flow chart of determining a transmission method of the coal mine data according to an embodiment of the present invention; a flow chart of determining the type of the coal mine data according to an embodiment of the present invention; and a flow chart of determining whether the establishment of the parallel transmission channel is qualified according to an embodiment of the present invention.

[0048] A coal mine data exchange system according to an embodiment of the present invention includes:

[0049] The data acquisition module is used to collect coal mine data, including underground environment data information and coal mine production equipment data information;

[0050] A data transmission module, which is connected to the data acquisition module and is used to determine a transmission mode of the coal mine data according to the data complexity of the coal mine data, wherein the transmission mode includes a simple transmission mode and a complex transmission mode;

[0051] a transmission optimization module, which is connected to the data transmission module, and is used to determine whether the coal mine data is low-similarity data or high-similarity data according to data similarity, and to determine whether the importance of the coal mine data is controllable according to the data transmission time limit, and to adjust the data transmission mode, wherein the adjustment mode includes preset interval data transmission, establishment of parallel transmission channels, or increasing the reference parameters of the transmission judgment of the coal mine data by the same amplitude, and to determine whether the establishment of the parallel transmission channel is qualified according to the channel evaluation value, wherein the reference parameters include a first preset recognition accuracy rate and a second preset recognition accuracy rate;

[0052] The data exchange module is connected to the data transmission module and the transmission optimization module respectively, and is used to exchange data with the user terminal.

[0053] Specifically, the data acquisition module collects underground environmental data information of coal mines including: temperature, humidity, methane gas concentration, wind speed and air pressure; data information of production equipment includes: vibration frequency, speed and power of coal mining machines, conveyor belts, pumping stations and electrical equipment. There is no specific limitation, as long as the data acquisition requirements are met.

[0054] In this embodiment, the data acquisition module can use various sensors such as temperature sensors, gas sensors, pressure sensors or use data acquisition cards to collect data, without specific limitation, as long as the data acquisition requirements are met.

[0055] Specifically, the specific structures of the data transmission module and the transmission optimization module are not limited, and they themselves and the units therein can be composed of logical components, and the logical components include field programmable components, computers or microprocessors in computers.

[0056] Specifically, the data transmission module determines the transmission mode of the coal mine data according to the data complexity, wherein:

[0057] If the data complexity is less than the preset data complexity of 1.58, the data transmission module determines that the transmission mode of the coal mine data is a simple transmission mode;

[0058] If the data complexity is greater than or equal to the preset data complexity, the data transmission module determines that the transmission mode of the coal mine data is a complex transmission mode;

[0059] Wherein, the coal mine data is obtained through the data acquisition module;

[0060] The process of determining the data complexity based on the number of data bytes and the data update frequency includes:

[0061] The square root of the ratio between the number of data bytes of the coal mine data and the preset number of data bytes of 200KB is multiplied by the first weight, and recorded as the first evaluation value, wherein the first weight is 0.72;

[0062] The square root of the ratio between the data update frequency of the coal mine data and the preset data update frequency of 5 times / second is multiplied by the second weight, and recorded as the second evaluation value, wherein the second weight is 0.38;

[0063] The sum of the first evaluation value and the second evaluation value is recorded as data complexity.

[0064] Specifically, under the condition that the transmission mode of the coal mine data is the simple transmission mode, the data transmission module determines to transmit the coal mine data according to the comparison result that the recognition accuracy of the coal mine data is greater than or equal to 50% of the first preset recognition accuracy.

[0065] Specifically, the coal mine data is compared with the reference data, and the data transmission module determines the accurately identified data entries in the coal mine data based on the comparison between the coal mine data and the reference data, and determines the ratio of the accurately identified data entries to the total data entries as the identification accuracy rate.

[0066] In this embodiment, the reference data is preset data information of the underground environment of a coal mine or preset data information of coal mine production equipment, and is not specifically limited thereto, and only needs to meet the comparison requirements.

[0067] Specifically, under the condition that the transmission mode of the coal mine data is the complex transmission mode, the data transmission module determines to transmit the coal mine data based on the comparison result that the recognition accuracy of the coal mine data is greater than or equal to 75% of the second preset recognition accuracy rate; the second preset recognition accuracy rate is greater than the first preset recognition accuracy rate.

[0068] In this embodiment, in coal mine data transmission, because the design and implementation of the transmission protocol will cause the data generated by different data sources to present similar structures or characteristics during transmission, it is necessary to determine the degree of similarity between the data in order to optimize the data transmission method and avoid interference.

[0069] Specifically, the transmission optimization module determines the type of the coal mine data according to the data similarity, wherein:

[0070] If the data similarity is less than the preset data similarity of 1.61, the transmission optimization module determines that the coal mine data is low-similarity data;

[0071] If the data similarity is greater than or equal to the preset data similarity, the transmission optimization module determines that the coal mine data is high-similarity data; wherein the data similarity is calculated by a Euclidean distance algorithm.

[0072] In this embodiment, the acquisition of data similarity includes: two sensors for monitoring gas concentration are provided: sensor A and sensor B, the data acquisition module collects the gas concentration data of group A and the gas concentration data of group B from the sensors A and B, and calculates the distance between the two groups of data according to the Euclidean distance formula. This distance value can be used to evaluate the similarity of the two groups of data. The smaller the distance, the more similar the data.

[0073] Specifically, the transmission optimization module determines whether the importance of the coal mine data is controllable according to the data transmission time limit, wherein:

[0074] If the data transmission time limit is less than the preset transmission time limit of 2 minutes, the transmission optimization module determines that the importance of the coal mine data is uncontrollable;

[0075] If the data transmission time limit is greater than or equal to the preset transmission time limit, the transmission optimization module determines that the importance of the coal mine data is controllable.

[0076] It can be understood that the controllable importance of coal mine data indicates that the coal mine data is not urgent, while the uncontrollable importance of coal mine data indicates that the coal mine data is urgent and requires an immediate response. For data that require an immediate response, if these data cannot be exchanged in a short time, serious consequences will occur. For non-urgent data, the transmission time limit is relatively long.

[0077] The transmission optimization module distinguishes between urgent data and non-urgent data according to the data transmission time limit, and can optimize the transmission method to avoid data transmission congestion and delay caused by simultaneous transmission of coal mine data.

[0078] Specifically, the transmission optimization module determines that the adjustment method of the coal mine data is to perform interval transmission of the high-similarity data in the coal mine data based on the condition that the importance of the coal mine data is controllable and the coal mine data is high-similarity data; it can be understood that the interval transmission can be the transmission of high-similarity data at a preset transmission time interval, or, when transmitting several high-similarity data, low-similarity data is inserted between each high-similarity data for data transmission.

[0079] Or, the transmission optimization module determines that the adjustment method of the coal mine data is to establish a parallel transmission channel for data transmission based on the condition that the importance of the coal mine data is uncontrollable and the coal mine data is high-similarity data;

[0080] Alternatively, the transmission optimization module determines, based on the condition that the importance of the coal mine data is uncontrollable and the coal mine data is low-similarity data, that the adjustment method of the coal mine data is to increase the first preset recognition accuracy rate and the second preset recognition accuracy rate according to the difference between the data transmission time limit and the preset transmission time limit.

[0081] In this embodiment, the data transmission method is optimized according to the similarity of coal mine data and the controllability of the importance of coal mine data, wherein the importance of coal mine data is uncontrollable, i.e., urgent data, and the importance of coal mine data is controllable, i.e., non-urgent data. This adjustment method can flexibly adapt to different data transmission scenarios and requirements. Whether it is the optimized transmission of high-similarity data or the accurate transmission of low-similarity data, the system can make corresponding adjustments according to the characteristics and importance of the data, thereby ensuring the efficiency and reliability of data transmission.

[0082] Specifically, the transmission optimization module is provided with several accuracy increasing methods for the first preset recognition accuracy and the second preset recognition accuracy, wherein:

[0083] If the transmission time limit difference is less than the first preset transmission time limit difference of 1.69 min, the transmission optimization module uses a first adjustment coefficient of 1.02 to increase the first preset recognition accuracy rate and the second preset recognition accuracy rate;

[0084] If the transmission time limit difference is greater than or equal to the first preset transmission time limit difference and less than the second preset transmission time limit difference, the transmission optimization module uses a second adjustment coefficient of 1.04 to increase the first preset recognition accuracy and the second preset recognition accuracy;

[0085] If the transmission time limit difference is greater than or equal to the second preset transmission time limit difference of 3.45min, the transmission optimization module uses the third adjustment coefficient 1.06 to increase the first preset recognition accuracy and the second preset recognition accuracy; the transmission time limit difference is the difference between the data transmission time limit and the preset transmission time limit; the first preset recognition accuracy and the second preset recognition accuracy increase by the same amount.

[0086] Specifically, the transmission optimization module determines whether the establishment of the parallel transmission channel is qualified according to the channel evaluation value, wherein:

[0087] If the channel evaluation value is less than the preset channel evaluation value of 0.62, the transmission optimization module determines that the establishment of the parallel transmission channel is qualified and transmits the coal mine data;

[0088] If the channel evaluation value is greater than or equal to the preset channel evaluation value, the transmission optimization module determines that the establishment of the parallel transmission channel is unqualified and stops the transmission of the coal mine data;

[0089] The process of jointly determining the channel evaluation value by the transmission accuracy of the sample data and the transmission time of the sample data includes:

[0090] The square root of the mean square error between the original sample data and the received data is multiplied by the transmission accuracy weight, which is recorded as the transmission accuracy evaluation value, where the transmission accuracy weight is 0.46;

[0091] The square root of the ratio between the sample data transmission time and the preset sample data transmission time of 10ms is multiplied by the transmission time weight, which is recorded as the transmission time evaluation value, where the transmission time weight is 0.56;

[0092] The sum of the sample data transmission accuracy evaluation value and the transmission time evaluation value is recorded as a channel evaluation value.

[0093] In this embodiment, the performance of parallel transmission channels is quantitatively evaluated by calculating channel evaluation values, and channels with poor performance or potential problems are identified, thereby avoiding the transmission of coal mine data on these channels, thereby improving the reliability of the coal mine data exchange system.

[0094] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0095] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A coal mine data exchange system, characterized in that: include: Data collection module, used to collect coal mine data, including underground environment data information and coal mine production equipment data information; A data transmission module, which is connected to the data acquisition module and is used to determine a transmission mode of the coal mine data according to the data complexity of the coal mine data, wherein the transmission mode includes a simple transmission mode and a complex transmission mode; A transmission optimization module, which is connected to the data transmission module, is used to determine whether the coal mine data is low-similarity data or high-similarity data according to data similarity, is used to determine whether the importance of the coal mine data is controllable according to the data transmission time limit, and adjusts the data transmission mode, the adjustment mode includes preset interval data transmission, establishment of parallel transmission channels or increasing the benchmark parameters of the transmission judgment of the coal mine data by the same amplitude, is used to determine whether the establishment of the parallel transmission channel is qualified according to the channel evaluation value, wherein the benchmark parameters include a first preset recognition accuracy rate and a second preset recognition accuracy rate; A data exchange module, which is connected to the data transmission module and the transmission optimization module respectively, and is used to exchange data with a user terminal; The data transmission module determines the transmission mode of the coal mine data according to the data complexity, wherein: If the data complexity is less than the preset data complexity, the data transmission module determines that the transmission mode of the coal mine data is a simple transmission mode; If the data complexity is greater than or equal to the preset data complexity, the data transmission module determines that the transmission mode of the coal mine data is a complex transmission mode; The coal mine data is obtained through the data acquisition module; Wherein, the data complexity is determined jointly according to the number of data bytes and the data update frequency; The data transmission module determines to transmit the coal mine data according to a comparison result that the recognition accuracy of the coal mine data is greater than or equal to the first preset recognition accuracy rate under the condition that the transmission mode of the coal mine data is the simple transmission mode; The data transmission module determines the accurately identified data entries in the coal mine data according to the comparison between the coal mine data and the reference data, and determines the ratio between the accurately identified data entries and the total data entries as the identification accuracy rate; The data transmission module determines to transmit the coal mine data according to the comparison result that the recognition accuracy rate of the coal mine data is greater than or equal to the second preset recognition accuracy rate under the condition that the transmission mode of the coal mine data is the complex transmission mode; the second preset recognition accuracy rate is greater than the first preset recognition accuracy rate; The data transmission module determines to transmit the coal mine data according to the comparison result that the recognition accuracy rate of the coal mine data is greater than or equal to the second preset recognition accuracy rate under the condition that the transmission mode of the coal mine data is the complex transmission mode; the second preset recognition accuracy rate is greater than the first preset recognition accuracy rate; The transmission optimization module determines the type of the coal mine data according to the data similarity, wherein: If the data similarity is less than the preset data similarity, the transmission optimization module determines that the coal mine data is low-similarity data; If the data similarity is greater than or equal to the preset data similarity, the transmission optimization module determines that the coal mine data is high-similarity data; wherein the data similarity is calculated by a Euclidean distance algorithm; The transmission optimization module determines whether the importance of the coal mine data is controllable according to the data transmission time limit, wherein: If the data transmission time limit is less than the preset transmission time limit, the transmission optimization module determines that the importance of the coal mine data is uncontrollable; If the data transmission time limit is greater than or equal to the preset transmission time limit, the transmission optimization module determines that the importance of the coal mine data is controllable; The transmission optimization module determines that the adjustment method of the coal mine data is to perform interval transmission of the high-similarity data in the coal mine data, based on the condition that the importance of the coal mine data is controllable and the coal mine data is high-similarity data; Or, the transmission optimization module determines that the adjustment method of the coal mine data is to establish a parallel transmission channel for data transmission based on the condition that the importance of the coal mine data is uncontrollable and the coal mine data is high-similarity data; Or, the transmission optimization module determines that the adjustment method of the coal mine data is to increase the first preset recognition accuracy rate and the second preset recognition accuracy rate according to the difference between the data transmission time limit and the preset transmission time limit, based on the condition that the importance of the coal mine data is uncontrollable and the coal mine data is low-similarity data; The transmission optimization module is provided with several accuracy increasing methods for the first preset recognition accuracy and the second preset recognition accuracy, and each accuracy adjustment method increases the first preset recognition accuracy and the second preset recognition accuracy in a different manner, wherein the first preset recognition accuracy and the second preset recognition accuracy increase by the same magnitude; The transmission optimization module determines whether the establishment of the parallel transmission channel is qualified according to the channel evaluation value, wherein: If the channel evaluation value is less than the preset channel evaluation value, the transmission optimization module determines that the establishment of the parallel transmission channel is qualified and transmits the coal mine data; If the channel evaluation value is greater than or equal to the preset channel evaluation value, the transmission optimization module determines that the establishment of the parallel transmission channel is unqualified and stops the transmission of the coal mine data; the channel evaluation value is determined by the transmission accuracy of the sample data and the transmission time of the sample data.

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