Tail gas detection system and method

Abstract

The invention discloses a tail gas detection system and method, and relates to the technical field of tail gas detection. A bayonet video detection device; the area edge computer determines the maximum value of the tail gas data of the tail gas storage equipment and the exhaust port position of the tail gas storage equipment, judges whether the tail gas maximum value of the tail gas storage equipment exceeds the emission standard or not, encrypts the tail gas data of the tail gas storage equipment and a judgment result and sends the encrypted tail gas data and the judgment result to the master control center; and the general control center is used for decrypting the tail gas data of the tail gas storage equipment, verifying the maximum value of the tail gas data of the tail gas storage equipment according to a historical data model, and issuing a tail gas emission verification instruction according to a verification result. According to the system, tail gas detection can be carried out in a special detection area, the detection efficiency is high, the detection cost is low, meanwhile, the tail gas detection accuracy is improved, and popularization and promotion of tail gas emission detection are facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of exhaust gas detection, and in particular to an exhaust gas detection system and method. Background Art

[0002] At present, with the continuous development of the economy, electrical equipment is also increasing rapidly. Electrical equipment generally refers to GIS. The equipment is large in size, is a large current and fixed equipment. Electrical equipment needs to be inspected at regular intervals, and a part of the gas needs to be extracted from it and put into the tail gas storage equipment for inspection. Because this gas generally refers to sulfur hexafluoride, it plays an insulating role and is the medium gas of the equipment. After the test, it cannot be filled back into the equipment, so it is called tail gas. Existing tail gas detection of electrical equipment generally takes out the gas and stores it, and then transports it to the laboratory for testing. The disadvantages are low detection efficiency and high detection cost, which is not conducive to the popularization of tail gas detection. Summary of the invention

[0003] The present invention solves the problem of low detection efficiency of current exhaust gas detection methods and proposes an exhaust gas detection system and method. The system of the present invention can perform exhaust gas detection in a special detection area with high detection efficiency and low detection cost. At the same time, it improves the accuracy of exhaust gas detection, which is conducive to the popularization and promotion of exhaust gas detection.

[0004] In order to achieve the above object, the present invention adopts the following technical solution: an exhaust gas detection system, comprising: The exhaust gas detection equipment is arranged on one side of the detection area to continuously collect exhaust gas data of the exhaust gas storage equipment in the detection area; the bayonet video detection equipment detects whether the exhaust gas storage equipment enters the preparation area and collects video of the exhaust gas storage equipment in the detection area; The regional edge computer receives the data sent by the exhaust gas detection equipment and the camera video detection equipment, determines the maximum value of the exhaust gas data of the exhaust gas storage equipment and the exhaust port position of the exhaust gas storage equipment, determines whether the maximum value of the exhaust gas of the exhaust gas storage equipment is excessive emission, and encrypts the exhaust gas data of the exhaust gas storage equipment and the judgment result and sends them to the main control center; The main control center decrypts the exhaust data of the exhaust storage equipment, verifies the maximum value of the exhaust data of the exhaust storage equipment according to the historical data model, and issues exhaust emission verification instructions based on the verification results to enable the exhaust storage equipment to complete the exhaust emission verification within the set time.

[0005] In the present technical solution, based on the bayonet video detection device, it is detected that the exhaust gas storage device enters the preparation area. After being prompted, the exhaust gas storage device to be detected passes through the detection area slowly and evenly, and the exhaust gas detection device can continuously collect and obtain exhaust gas data about the exhaust gas storage device within a time period; the regional edge computer is respectively connected to the exhaust gas detection device and the bayonet video device, and the regional edge computer can obtain the collected exhaust gas data and bayonet video data of the exhaust gas storage device, and pre-process the exhaust gas data of the exhaust gas storage device to obtain the maximum value. When the position where the maximum value of the exhaust gas data of the exhaust gas storage device appears matches the position of the exhaust port of the exhaust gas storage device, the type of the exhaust gas storage device is judged; after obtaining the type of the exhaust gas storage device After the model is built, it is determined whether the exhaust gas storage device exceeds the standard according to the emission standard; after the determination is completed, the exhaust gas data of the exhaust gas storage device is encrypted and sent to the main control center; after the main control center completes the data decryption and performs the maximum value check, it issues an exhaust gas emission verification instruction to the exhaust gas storage device with excessive emissions, and the exhaust gas storage device goes to the designated location for secondary inspection according to the exhaust gas emission verification instruction. If the secondary inspection is not completed within the set time, the main control center will issue an alarm; the system of the present invention can collect data in any set area, the collection is convenient, and the exhaust gas storage device with excessive emissions can be effectively detected; and the detection system of the present invention is also verified at the main control center after being processed by the regional edge computer, and the accuracy of the exhaust gas detection is high.

[0006] The present invention is further configured as follows: the regional edge computer comprises: The data preprocessing module generates a curve chart of the regional distance and the exhaust data of the exhaust storage device; determines whether the regional distance corresponding to the maximum value of the exhaust data of the exhaust storage device is the regional distance of the exhaust port position of the exhaust storage device passing through the exhaust detection device; The exhaust gas storage device threshold judgment module determines the exhaust gas storage device type and judges whether the maximum value of the exhaust gas data of the exhaust gas storage device is within the emission standard threshold range of the exhaust gas storage device. If so, it is judged that the emission is normal; if not, it is judged that the emission exceeds the standard; The encryption module processes the exhaust data of the exhaust storage device and the judgment results, maps them into RGB values, and converts them into regional color blocks according to the RGB values. Multiple regional color blocks constitute an image, which is sent to the main control center in the form of an encrypted image.

[0007] In the present technical scheme, the data preprocessing module is connected to the exhaust gas storage device threshold judgment module, and the exhaust gas storage device threshold judgment module is connected to the encryption module. The data preprocessing module mainly involves processing the exhaust data of the exhaust gas storage device to obtain the maximum value of the exhaust data of the exhaust gas storage device; and confirming whether the regional distance corresponding to the maximum value corresponds to the regional distance of the exhaust port position of the exhaust gas storage device through the exhaust gas detection device. Generally, the regional distance corresponding to the maximum value and the regional distance of the exhaust port position of the exhaust gas storage device through the exhaust gas detection device do not exceed the preset error range; the exhaust gas storage device threshold judgment module makes a judgment on whether the emission exceeds the standard, and the encryption module encrypts the exhaust data of the exhaust gas storage device and transmits it to the main control center to ensure the security of the data.

[0008] The present invention is further configured as follows: the master control center comprises: A decryption module decrypts the encrypted image, generates the original exhaust data and judgment results of the exhaust storage device, and classifies them according to different data types; A verification module verifies the maximum value of the exhaust gas data of the exhaust gas storage device according to a historical data model with deep learning function therein, wherein the input of the historical data model is the judgment result, and the output is the verification result; The instruction issuing module determines whether to issue the exhaust emission verification instruction directly based on the judgment result of the regional edge computer if the verification result is correct. If the verification result is incorrect, it determines whether to issue the exhaust emission verification instruction based on the correction value of the historical data model; The alarm module issues an alarm if the exhaust gas storage device fails to complete the exhaust gas emission verification within the set time.

[0009] In the present technical solution, the judgment results sent to the main control center include the process data and result data of each module in the regional edge computer; the instruction issuing module can issue exhaust emission verification instructions, and the exhaust emission verification instructions include exhaust gas data exceeding the standard data, the scheduled time and place of the secondary inspection and other relevant information. The exhaust emission verification instructions of the present technical solution are issued based on the agreement signed with the owner of the exhaust gas storage equipment, so there is no safety issue.

[0010] The present invention is further configured as follows: the historical data model includes historical judgment results obtained by a regional edge computer, each historical judgment result is also associated with the weather in a historical period; and the historical judgment results are classified according to the historical judgment results.

[0011] In this technical solution, in order to make the historical data model more valuable for reference, the historical judgment results are all verified correct data; each historical judgment result is also associated with the weather in the historical period. The weather conditions in the historical period include temperature, humidity, visibility, haze conditions, and whether it rains. In this model, accurate classification is performed based on weather conditions to ensure the uniqueness of each data as much as possible.

[0012] The present invention is further configured as follows: the encryption module comprises: The normalization processing unit performs normalization processing on the exhaust gas data of the exhaust gas storage device and the judgment result respectively; the mapping unit converts the data into 0-255 and arranges the data into an m*n matrix, where m and n are both integers greater than 1; the conversion unit, each element value in the matrix represents an RGB value, and converts the RGB value into a regional color block to form an m*n regional color block matrix, that is, to form an encrypted image; The key unit stores the parameters of the normalization process and the arrangement order of the matrix.

[0013] In the technical solution, the encryption module mainly includes a normalization processing unit, which is connected to the mapping unit, which is connected to the conversion unit; and the key unit is respectively connected to the normalization processing unit, the mapping unit and the conversion unit.

[0014] The present invention is further configured as follows: the encryption module also includes an interference color unit, the interference color unit includes an interference color generation library, a number of interference color regional color blocks randomly generated by the interference color generation library are randomly inserted to replace the same number of regional color blocks in the m*n regional color block matrix, and the positions of the interference color regional color blocks and the colors of the replaced regional color blocks are recorded.

[0015] In the present technical solution, the encryption module may further include an interference color unit, which utilizes randomly generated interference color regions to replace regional color blocks in the regional color block matrix, so as to further enhance the security of the encrypted image.

[0016] The present invention is further provided as follows: a method for detecting exhaust gas, applicable to the above-mentioned exhaust gas detection system, comprising the following steps: S1, continuously collecting exhaust data of exhaust storage equipment in the detection area and camera video data of exhaust storage equipment in the detection area; S2, determining the maximum value of the exhaust gas data of the exhaust gas storage device and the exhaust port position of the exhaust gas storage device, judging whether the maximum value of the exhaust gas of the exhaust gas storage device is excessive emission, and encrypting the exhaust gas data of the exhaust gas storage device and the judgment result and sending them to the main control center; S3, decrypting the exhaust data of the exhaust storage device, verifying the maximum value of the exhaust data of the exhaust storage device according to the historical data model, and issuing an exhaust emission verification instruction according to the verification result so that the exhaust storage device can complete the exhaust emission verification within the set time.

[0017] In this technical solution, after being collected by the toll gate video detection equipment and the exhaust gas detection equipment, the collected data is sent to the regional edge computer. After processing, the maximum value of the exhaust gas data of the exhaust gas storage device is obtained, and it is determined whether the exhaust gas storage device exceeds the emission standard. The judgment results are then encrypted and sent to the main control center. After the main control center verifies according to the historical data model, it issues an exhaust gas emission verification instruction based on the inspection results.

[0018] The present invention is further configured as follows: the issuing of the exhaust emission verification instruction according to the verification result so that the exhaust emission storage device completes the exhaust emission verification within the set time specifically comprises the following steps: If the verification result is correct, the determination of whether to issue an exhaust emission verification instruction is made directly based on the judgment result of the regional edge computer. If the verification result is incorrect, the determination of whether to issue an exhaust emission verification instruction is made based on the correction value of the historical data model.

[0019] In the present technical solution, when the verification result is wrong, it is replaced by a correction value in the historical data model, and the correction value is determined based on the weather in the historical period and other approximate results in the model.

[0020] The present invention has the following beneficial effects: 1. The present invention relates to an exhaust gas detection system. The system of the present invention can perform exhaust gas detection in a special detection area, has high detection efficiency, and low detection cost. At the same time, it improves the accuracy of exhaust gas detection, which is conducive to the popularization and promotion of exhaust gas emission detection; 2. The system of the present invention can collect data in any set area, which is convenient for collection and can effectively detect the exhaust gas storage equipment with excessive emissions; 3. After being processed by the regional edge computer, the system of the present invention is also verified in the main control center, and the accuracy of exhaust gas detection is high; 4. The exhaust gas detection method of the present invention also encrypts the exhaust gas data of the exhaust gas storage device and the judgment results to ensure the security of the exhaust gas emission data transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of an exhaust gas detection system of the present invention; Figure 2 It is a schematic diagram of a regional edge computer of an exhaust gas detection system of the present invention; Figure 3It is a schematic diagram of a general control center of an exhaust gas detection system of the present invention; Figure 4 It is a schematic flow chart of an exhaust gas detection method of the present invention. DETAILED DESCRIPTION

[0022] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific implementation method described herein is only an optimal embodiment of the present invention, which is only used to explain the present invention and does not limit the scope of protection of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] Embodiment 1: This embodiment provides an exhaust gas detection system, referring to Figure 1 , Figure 2 and Figure 3 , mainly including exhaust gas detection equipment, bayonet video detection equipment, regional edge computer and main control center, the exhaust gas detection equipment and the bayonet video detection equipment are connected to the regional edge computer respectively, the exhaust gas detection equipment is arranged on one side or both sides of the detection area, and spans a distance of the detection area, the bayonet video detection equipment is arranged on the inlet side of the preparation area, the exhaust gas storage device drives from the preparation area to the detection area, the regional edge computer is arranged on one side of the detection area or one side of the preparation area or one side of the junction of the detection area and the preparation area; the regional edge computer is remotely communicated with the main control center; the system of this embodiment can collect data in any set area, the collection is convenient, and the exhaust gas storage device with excessive emissions can be effectively detected; and the system of this embodiment is also verified in the main control center after being processed by the regional edge computer, and the accuracy of exhaust gas detection is high; in this embodiment, the main control center can be connected to one or more regional edge computers.

[0024] The exhaust gas detection equipment continuously collects exhaust gas data from the exhaust gas storage equipment in the detection area; the type of the exhaust gas detection equipment is not limited in this embodiment. The exhaust gas storage equipment can be a sulfur hexafluoride gas cylinder or other device capable of storing exhaust gas from electrical equipment.

[0025] The bayonet video detection equipment detects whether the exhaust gas storage device enters the preparation area, and collects video of the exhaust gas storage device in the detection area; in this embodiment, the bayonet video detection equipment is used to detect whether the exhaust gas storage device enters the preparation area, and the detection can also be performed by radar equipment or radar equipment plus bayonet video detection equipment.

[0026] The regional edge computer receives the data sent by the exhaust gas detection equipment and the bayonet video detection equipment, determines the maximum value of the exhaust gas data of the exhaust gas storage equipment and the exhaust port position of the exhaust gas storage equipment, judges whether the maximum value of the exhaust gas of the exhaust gas storage equipment constitutes excessive emissions, and encrypts the exhaust gas data of the exhaust gas storage equipment and the judgment result and sends it to the main control center; the regional edge computer can perform timely analysis and processing on the collected data at the local end, that is, in the detection area, and generate processed data, thereby alleviating the data processing pressure of the main control center to a certain extent.

[0027] The main control center decrypts the exhaust data of the exhaust storage equipment, verifies the maximum value of the exhaust data of the exhaust storage equipment according to the historical data model, and issues exhaust emission verification instructions based on the verification results so that the exhaust storage equipment can complete the exhaust emission verification within the set time; the main control center is equipped with a historical data model to verify the data to ensure the accuracy of the data.

[0028] refer to Figure 1 and Figure 2 , for the regional edge computer, more detailed, including data preprocessing module, exhaust gas storage device threshold judgment module and encryption module; in addition, according to Figure 2 As shown, it also includes a receiving module, which receives data sent by the exhaust gas detection device, and is connected to the data preprocessing module. The data preprocessing module is connected to the exhaust gas storage device threshold judgment module, and the exhaust gas storage device threshold judgment module is connected to the encryption module.

[0029] The data preprocessing module generates a curve graph of regional distance and exhaust data of the exhaust storage device; determines whether the regional distance corresponding to the maximum value of the exhaust data of the exhaust storage device is the regional distance of the exhaust port position of the exhaust storage device through the exhaust detection device; specifically, first generates a curve graph of the relationship between the exhaust data of the exhaust storage device and time, when the exhaust storage device is transported in by a transport vehicle, then converts the time into regional distance based on the uniform vehicle speed. Generally, if the vehicle speed is non-uniform, it is approximately regarded as a uniform speed for processing.

[0030] The exhaust gas storage device threshold judgment module determines the type of exhaust gas storage device and determines whether the maximum value of the exhaust gas data of the exhaust gas storage device is within the emission standard threshold range of the exhaust gas storage device. If so, the emission is determined to be normal; if not, the emission is determined to exceed the standard. In addition, the exhaust gas storage device threshold judgment module is also provided with a video receiving and analysis unit for receiving the camera video data. The video receiving and analysis unit is used to determine the type of exhaust gas storage device and the emission standard threshold range of the exhaust gas storage device. Then, it is determined whether the maximum value exceeds the standard based on the emission standard threshold range.

[0031] The encryption module processes the exhaust data of the exhaust storage device and the judgment results, maps them into RGB values, and converts them into regional color blocks according to the RGB values. Multiple regional color blocks constitute an image, which is sent to the main control center in the form of an encrypted image. The encryption module converts the data into an image for transmission, which ensures the security of data transmission to a certain extent.

[0032] refer to Figure 1 and Figure 3 ,For the general control center, it mainly includes a decryption module, a verification module, an instruction issuing module and an alarm module. The decryption module is connected with the verification module, the verification model is connected with the instruction issuing module, and the instruction issuing module is connected with the alarm module.

[0033] The decryption module decrypts the encrypted image, generates the original exhaust data and judgment results of the exhaust storage device, and classifies them according to different data types; specifically, it is connected to the encryption module of the regional edge computer; the decryption process is the inverse process of the encryption process.

[0034] The verification module verifies the maximum value of the exhaust data of the exhaust storage device according to the historical data model with deep learning function. The input of the historical data model is the judgment result, and the output is the verification result. The historical data model includes the historical judgment results obtained by the regional edge computer, and each historical judgment result is also associated with the weather in the historical period. The historical judgment results are classified according to the historical judgment results.

[0035] In this embodiment, in order to make the historical data model more valuable for reference, the historical judgment results are all verified correct data; each historical judgment result is also associated with the weather in the historical period, and the weather conditions in the historical period include temperature, humidity, visibility, haze conditions, and whether it rains. In this model, accurate classification is performed based on weather conditions to ensure the uniqueness of each data as much as possible.

[0036] The instruction issuing module, if the verification result is correct, determines whether to issue the exhaust emission verification instruction directly based on the judgment result of the regional edge computer; if the verification result is incorrect, determines whether to issue the exhaust emission verification instruction based on the correction value of the historical data model; in this embodiment, the correction value is determined based on the weather in the historical period and other approximate results in the model.

[0037] The alarm module issues an alarm if the exhaust gas storage device fails to complete the exhaust gas emission verification within the set time. Specifically, the alarm module is triggered when it is determined that the exhaust gas emission verification instruction is issued and the exhaust gas storage device fails to conduct the exhaust gas emission verification within the set time. In this embodiment, the set time is one week, that is, if the object to which the instruction is issued fails to conduct the exhaust gas emission verification within one week, the alarm module issues an alarm. The set time can be flexibly adjusted according to the conditions of each region.

[0038] In more detail, the encryption module mainly includes a normalization processing unit, a mapping unit, a conversion unit and a key unit. The normalization processing unit is connected to the mapping unit, and the mapping unit is connected to the conversion unit; the key unit is respectively connected to the normalization processing unit, the mapping unit and the conversion unit.

[0039] The normalization processing unit performs normalization processing on the exhaust gas data of the exhaust gas storage device and the judgment result respectively.

[0040] The mapping unit converts the data into 0-255 and arranges the data into an m*n matrix, where m and n are both integers greater than 1; specifically, the data is converted into 0-255 data after scaling, and the scaling ratio is recorded; and the data is arranged in order to form a matrix, and any missing bits are filled with 0.

[0041] Conversion unit, each element value in the matrix represents an RGB value, which is converted into a regional color block according to the RGB value to form an m*n regional color block matrix, that is, to form an encrypted image.

[0042] The key unit stores the normalization processing parameters and the arrangement order of the matrix; the key unit can be called and used during the decryption process.

[0043] The specific implementation process of the system of this embodiment is as follows: based on the bayonet video detection device, it is detected that the exhaust gas storage device enters the preparation area (the exhaust gas storage device can enter by itself or be transported by a transport vehicle). After the prompt, the exhaust gas storage device to be detected passes through the detection area slowly and uniformly, and the exhaust gas detection device can continuously collect and obtain the exhaust gas data of the exhaust gas storage device within the time period; the regional edge computer is respectively connected to the exhaust gas detection device and the bayonet video device, and the regional edge computer can obtain the collected exhaust gas data and bayonet video data of the exhaust gas storage device, and pre-process the exhaust gas data of the exhaust gas storage device, and obtain When the maximum value is reached and the position where the maximum value of the exhaust gas data of the exhaust gas storage device appears matches the position of the exhaust port of the exhaust gas storage device, the type of the exhaust gas storage device is judged; after obtaining the type of the exhaust gas storage device, whether the exhaust gas of the exhaust gas storage device exceeds the standard is judged according to the emission standard; after completing the judgment, the exhaust gas data of the exhaust gas storage device is encrypted and sent to the main control center; after the main control center completes the data decryption and performs the maximum value verification, it issues an exhaust emission verification instruction to the exhaust gas storage device with excessive emissions, and the exhaust gas storage device goes to the designated location for secondary inspection according to the exhaust emission verification instruction. If the secondary inspection is not completed within the set time, the main control center will issue an alarm.

[0044] In the technical solution of the present embodiment, the data preprocessing module mainly involves the processing of the exhaust data of the exhaust storage device to obtain the maximum value of the exhaust data of the exhaust storage device; and confirm whether the regional distance corresponding to the maximum value corresponds to the regional distance of the exhaust port position of the exhaust storage device through the exhaust detection device. Generally, the regional distance corresponding to the maximum value and the regional distance of the exhaust port position of the exhaust storage device through the exhaust detection device do not exceed the preset error range; the exhaust storage device threshold judgment module makes a judgment on whether the emission exceeds the standard, and the encryption module encrypts the exhaust data of the exhaust storage device and transmits it to the main control center to ensure the security of the data.

[0045] In the technical solution of the present embodiment, the judgment results sent to the main control center include the process data and result data of each module in the regional edge computer; the instruction issuing module can issue exhaust emission verification instructions, and the exhaust emission verification instructions include exhaust gas data exceeding the standard data, the scheduled time and place of the secondary inspection and other relevant information. The exhaust emission verification instructions of the present technical solution are issued based on the agreement signed with the owner of the exhaust gas storage equipment, so there is no safety issue.

[0046] This embodiment also proposes a tail gas detection method, referring to Figure 4 , an exhaust gas detection system as mentioned above is applicable, which mainly includes the following steps.

[0047] Step S1, continuously collect exhaust data of the exhaust storage device in the detection area and the tollgate video data of the exhaust storage device in the detection area; for the detailed process of this step, please refer to the description of the exhaust gas detection equipment and the tollgate video detection equipment of the system in this embodiment.

[0048] Step S2, determine the maximum value of the exhaust gas data of the exhaust gas storage device and the exhaust port position of the exhaust gas storage device, judge whether the maximum value of the exhaust gas of the exhaust gas storage device belongs to excessive emissions, and encrypt the exhaust gas data of the exhaust gas storage device and the judgment result and send them to the main control center; for the detailed process of this step, please refer to the description of the regional edge computer of the system in this embodiment.

[0049] Step S3, decrypt the exhaust data of the exhaust storage device, verify the maximum value of the exhaust data of the exhaust storage device according to the historical data model, and issue an exhaust emission verification instruction according to the verification result so that the exhaust storage device completes the exhaust emission verification within the set time. For the detailed process of this step, please refer to the description of the master control center of the system in this embodiment.

[0050] Issuing the exhaust emission verification instruction according to the verification result so that the exhaust gas storage equipment completes the exhaust emission verification within the set time specifically includes the following steps: If the verification result is correct, then the determination of whether to issue the exhaust emission verification instruction is made directly based on the judgment result of the regional edge computer. If the verification result is incorrect, then the determination of whether to issue the exhaust emission verification instruction is made based on the correction value of the historical data model. In the technical solution of this embodiment, when the verification result is incorrect, it is replaced by the correction value in the historical data model, and the correction value is determined based on the weather in the historical period and other approximate results in the model.

[0051] Embodiment 2: The regional edge computer is adjusted. In this embodiment, the encryption module includes: A normalization processing unit for normalizing the exhaust gas data of the exhaust gas storage device and the judgment result; The mapping unit converts the data into 0-255 and arranges the data into an m*n matrix, where m and n are both integers greater than 1; the conversion unit, each element value in the matrix represents an RGB value, and converts the RGB value into a regional color block to form an m*n regional color block matrix, that is, to form an encrypted image; The key unit stores the parameters of the normalization process and the arrangement order of the matrix.

[0052] On the basis of the above, the encryption module also includes an interference color unit, which includes an interference color generation library, and uses a number of interference color regional color blocks randomly generated by the interference color generation library to randomly insert and replace the same number of regional color blocks in the m*n regional color block matrix, and records the positions of the interference color regional color blocks and the colors of the replaced regional color blocks. In the technical solution of this embodiment, the encryption module may also include an interference color unit, which uses the randomly generated interference color areas to replace the regional color blocks in the regional color block matrix, so that the security of the encrypted image can be further improved.

Claims

1. An exhaust gas detection system, characterized in that: include: An exhaust gas detection device is arranged at one side of the detection area to continuously collect exhaust gas data of the exhaust gas storage device in the detection area; Bayonet video detection equipment detects whether the exhaust gas storage equipment has entered the preparation area, and collects video of the exhaust gas storage equipment in the detection area; The regional edge computer receives the data sent by the exhaust gas detection equipment and the camera video detection equipment, determines the maximum value of the exhaust gas data of the exhaust gas storage equipment and the exhaust port position of the exhaust gas storage equipment, determines whether the maximum value of the exhaust gas of the exhaust gas storage equipment is excessive emission, and encrypts the exhaust gas data of the exhaust gas storage equipment and the judgment result and sends them to the main control center; The main control center decrypts the exhaust data of the exhaust storage equipment, verifies the maximum value of the exhaust data of the exhaust storage equipment according to the historical data model, and issues exhaust emission verification instructions based on the verification results to enable the exhaust storage equipment to complete the exhaust emission verification within the set time.

2. An exhaust gas detection system according to claim 1, characterized in that: The regional edge computer comprises: The data preprocessing module generates a curve chart of the regional distance and the exhaust data of the exhaust storage device; determines whether the regional distance corresponding to the maximum value of the exhaust data of the exhaust storage device is the regional distance of the exhaust port position of the exhaust storage device passing through the exhaust detection device; The exhaust gas storage device threshold judgment module determines the exhaust gas storage device type and judges whether the maximum value of the exhaust gas data of the exhaust gas storage device is within the emission standard threshold range of the exhaust gas storage device. If so, it is judged that the emission is normal; if not, it is judged that the emission exceeds the standard; The encryption module processes the exhaust data of the exhaust storage device and the judgment results, maps them into RGB values, and converts them into regional color blocks according to the RGB values. Multiple regional color blocks constitute an image, which is sent to the main control center in the form of an encrypted image.

3. An exhaust gas detection system according to claim 1 or 2, characterized in that: The master control center includes: A decryption module decrypts the encrypted image, generates the original exhaust data and judgment results of the exhaust storage device, and classifies them according to different data types; A verification module verifies the maximum value of the exhaust gas data of the exhaust gas storage device according to a historical data model with deep learning function therein, wherein the input of the historical data model is the judgment result, and the output is the verification result; The instruction issuing module determines whether to issue the exhaust emission verification instruction directly based on the judgment result of the regional edge computer if the verification result is correct. If the verification result is incorrect, it determines whether to issue the exhaust emission verification instruction based on the correction value of the historical data model; The alarm module issues an alarm if the exhaust gas storage device fails to complete the exhaust gas emission verification within the set time.

4. An exhaust gas detection system according to claim 3, characterized in that: The historical data model includes historical judgment results obtained by the regional edge computer, and each historical judgment result is also associated with the weather in the historical period; the historical judgment results are classified according to the historical judgment results.

5. The exhaust gas detection system according to claim 2, characterized in that: The encryption module comprises: A normalization processing unit for normalizing the exhaust gas data of the exhaust gas storage device and the judgment result; The mapping unit converts the data into 0-255 and arranges the data into an m*n matrix, where m and n are both integers greater than 1; the conversion unit, each element value in the matrix represents an RGB value, and converts the RGB value into a regional color block to form an m*n regional color block matrix, that is, to form an encrypted image; The key unit stores the parameters of the normalization process and the arrangement order of the matrix.

6. An exhaust gas detection system according to claim 5, characterized in that: The encryption module also includes an interference color unit, which includes an interference color generation library. A number of interference color regional color blocks randomly generated by the interference color generation library are randomly inserted to replace the same number of regional color blocks in the m*n regional color block matrix, and the positions of the interference color regional color blocks and the colors of the replaced regional color blocks are recorded.

7. An exhaust gas detection method, applicable to an exhaust gas detection system according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1, continuously collecting exhaust data of exhaust storage equipment in the detection area and camera video data of exhaust storage equipment in the detection area; S2, determining the maximum value of the exhaust gas data of the exhaust gas storage device and the exhaust port position of the exhaust gas storage device, judging whether the maximum value of the exhaust gas of the exhaust gas storage device is excessive emission, and encrypting the exhaust gas data of the exhaust gas storage device and the judgment result and sending them to the main control center; S3, decrypting the exhaust data of the exhaust storage device, verifying the maximum value of the exhaust data of the exhaust storage device according to the historical data model, and issuing an exhaust emission verification instruction according to the verification result so that the exhaust storage device can complete the exhaust emission verification within the set time.

8. The exhaust gas detection method according to claim 7, characterized in that: The issuing of the exhaust emission verification instruction according to the verification result so that the exhaust gas storage device completes the exhaust emission verification within the set time specifically includes the following steps: If the verification result is correct, the determination of whether to issue an exhaust emission verification instruction is made directly based on the judgment result of the regional edge computer. If the verification result is incorrect, the determination of whether to issue an exhaust emission verification instruction is made based on the correction value of the historical data model.

Images