Multifunctional Signal Detection System and Detector

Abstract

The present invention discloses a multi-functional signal detection system, comprising: a switch matrix, the input end of the switch matrix is connected to a controller, and each node is connected to a signal detector; a plurality of signal detectors, configured to send device IDs and device states to the controller; a controller, configured to obtain a test task, decompose the test task according to the device states to obtain a test execution control table so that the signal detectors execute test commands according to the test execution control table; a control table adjustment module, configured to, when each group of optimal execution path control tables is executed, determine whether the nearest pre-execution path control table meets the execution requirements according to the test task, and if so, adjust the nearest pre-execution path control table to the optimal execution path control table until the test task is completed. Through the integration of the switch matrix and multiple signal detectors, the system of the present invention can simultaneously process multiple test tasks, significantly improving the test efficiency.

Description

Technical Field

[0001] The present invention belongs to the field of automated testing, and particularly relates to a multi-functional signal detection system and a detector. Background Art

[0002] In the fields of industrial automation and testing, the design and implementation of signal detection systems are crucial for ensuring the normal operation of production lines, product quality control, and equipment maintenance. Traditional signal detection systems often have a single function and are difficult to adapt to complex and changing testing requirements. The following are the main problems in traditional signal detection systems:

[0003] 1. Single function: Many systems can only perform a single detection task, such as only measuring voltage or current, and cannot meet multiple testing requirements simultaneously. 2. Low efficiency: In complex testing scenarios, manually switching testing equipment and configuring testing parameters not only takes time but is also prone to errors. 3. Lack of flexibility: Once the testing task changes, the system often needs to be reconfigured or upgraded, and it is difficult to quickly adapt to new testing requirements. 4. Difficulty in data integration: Data generated by different devices may have different formats, making it difficult to manage and analyze uniformly. Summary of the Invention

[0004] To solve the above problems existing in the prior art, the present invention provides a multi-functional signal detection system and a detector. The technical problems to be solved by the present invention are achieved through the following technical solutions:

[0005] A multi-functional signal detection system includes:

[0006] A switch matrix, the input end of the switch matrix is connected to a controller, and each node is connected to a signal detector;

[0007] A number of signal detectors for sending device ID and device status to the controller, the device status including device on status, the operating status of each test function, the switch number connected to the switch matrix, and temperature data, and the test functions of the signal detector including: voltage, current, thermal resistance, thermocouple, and temperature measurement;

[0008] A controller for obtaining a test task, decomposing the test task according to the device status to obtain a test execution control table so that the signal detector executes test commands according to the test execution control table, wherein the test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table, and the optimal execution path control table includes: signal detector device ID, switch number, test type, test serial number;

[0009] A control table adjustment module, which is used to, when each group of optimal execution path control tables finishes execution, determine whether the nearest pre-execution path control table meets the execution requirements according to the test task. If so, adjust the nearest pre-execution path control table to the optimal execution path control table until the test task is completed.

[0010] In a specific embodiment, the control table adjustment module includes:

[0011] An optimal execution path control table update unit, which is used to, when each group of optimal execution path control tables finishes execution, obtain the device status of each signal detector. If all signal detectors are in the on state, and the operating status of the test function corresponding to the nearest pre-execution path control table is normal and the temperature data is within the temperature threshold range, then adjust the nearest pre-execution path control table to the optimal execution path control table; if any signal detector is in an open circuit state, record the device ID of the signal detector in the open circuit state, compare the device ID of the signal detector with the optimal execution path control table. If the optimal execution path control table includes the device ID of the signal detector, delete the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjust the corresponding detection task to the pre-execution path control table;

[0012] A pre-execution path control table update unit, which is used to update the pre-execution path control table according to the adjusted test task, and adjust the nearest pre-execution path control table after update to the optimal execution path control table.

[0013] In a specific embodiment, the controller is further used to, when it is determined that the temperature data fed back by any signal detector is outside the temperature threshold range, control the corresponding path of the switch matrix to close, and read the test type and test serial number of the signal detector from the optimal execution path control table and the pre-execution path control table, and add the test task to the signal detector that matches the test type and test serial number.

[0014] In a specific embodiment, the controller is further used to, when the controller determines that the disconnection time of any switch matrix is greater than the preset time, control the matrix switch to turn on, so that the signal detector corresponding to the matrix switch sends the device status to the controller, and when the temperature data in the device status feedback is within the temperature threshold range, add the signal detector to the pre-execution path control table.

[0015] In a specific embodiment, the controller is further used to adjust the format of the collected test data according to the model of the signal detector, so that the test data has the same data format when stored.

[0016] The present invention also provides a multi-functional signal detector, comprising:

[0017] A signal sending module, configured to send the device ID and device status to the controller, wherein the device status includes the device on state, the operating state of each test function, the switch number connecting to the switch matrix, and temperature data, and the test functions of the signal detector include: voltage, current, thermal resistance, thermocouple, and temperature measurement;

[0018] A signal receiving module, configured to receive the test command sent by the controller, wherein the test command is obtained by decomposing the test task according to the device status to obtain a test execution control table, and is generated according to the test execution control table. The test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, test sequence number;

[0019] An execution module, configured to control the corresponding test function to be turned on or off according to the test command to complete the test.

[0020] The present invention also provides a multi-functional signal detection method, applied to the controller side, comprising:

[0021] Obtain the device ID and device status sent by the signal detector, wherein the device status includes the device on state, the operating state of each test function, the switch number connecting to the switch matrix, and temperature data, and the test functions of the signal detector include: voltage, current, thermal resistance, thermocouple, and temperature measurement;

[0022] Obtain the test task, decompose the test task according to the device status to obtain a test execution control table so that the signal detector executes the test command according to the test execution control table, wherein the test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, test sequence number;

[0023] When each group of optimal execution path control tables is executed, judge whether the nearest pre-execution path control table meets the execution requirements according to the test task. If so, adjust the nearest pre-execution path control table to the optimal execution path control table until the test task is completed.

[0024] In a specific embodiment, judging whether the nearest pre-execution path control table meets the execution requirements according to the test task includes:

[0025] The optimal execution path control table update unit is used to, when each group of optimal execution path control tables is executed, obtain the device status of each signal detector. If all signal detectors are in the on state, and the operating status of the test function corresponding to the most recent pre-execution path control table is normal and the temperature data is within the temperature threshold range, then adjust the most recent pre-execution path control table to the optimal execution path control table; if any signal detector is in an open circuit state, record the device ID of the signal detector in the open circuit state, compare the device ID of the signal detector with the optimal execution path control table. If the optimal execution path control table includes the device ID of the signal detector, delete the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjust the corresponding detection task to the pre-execution path control table.

[0026] The pre-execution path control table update unit is used to update the pre-execution path control table according to the adjusted test task, and adjust the most recent pre-execution path control table after the update to the optimal execution path control table.

[0027] In a specific embodiment, the method further includes: when it is determined that the temperature data fed back by any signal detector is outside the temperature threshold range, the controller controls the corresponding path of the switch matrix to close, and reads the test type and test serial number of the signal detector from the optimal execution path control table and the pre-execution path control table, and adds the test task to the signal detector that matches the test type and test serial number.

[0028] In a specific embodiment, the method further includes: when the controller determines that the disconnection time of any switch matrix is greater than the preset time, control the matrix switch to turn on, so that the signal detector corresponding to the matrix switch sends the device status to the controller, and when the temperature data fed back in the device status is within the temperature threshold range, add the signal detector to the pre-execution path control table.

[0029] In a specific embodiment, the controller is further used to adjust the format of the collected test data according to the model of the signal detector, so that the test data has the same data format when stored.

[0030] Advantages of the present invention:

[0031] The multi-functional signal detection system of the present invention integrates a switch matrix and multiple signal detectors, enabling the system to handle multiple test tasks simultaneously, significantly improving the test efficiency. The controller dynamically generates a test execution control table according to the device status, including the optimal execution path and the pre-execution path, ensuring the orderly and efficient execution of test tasks, while increasing the flexibility of testing. In addition, it can monitor the status of the signal detectors in real time, including the device startup status, the test function running status, and the temperature data. Once an anomaly is detected, it can quickly adjust the test path to avoid device damage or test data errors. When the temperature data fed back by the signal detector exceeds the threshold, the system automatically adjusts the test task to other suitable detectors, ensuring the continuity of testing and the accuracy of data. Moreover, through intelligent judgment and adjustment, the test task is assigned to the signal detector with the best status, effectively utilizing the detection resources and reducing unnecessary waiting and idle time.

[0032] The following will further elaborate on the present invention in conjunction with the drawings and embodiments. Brief Description of the Drawings

[0033] Figure 1 is a block diagram of a multi-functional signal detection system module provided by an embodiment of the present invention;

[0034] Figure 2 is a block diagram of a multi-functional signal detector module provided by an embodiment of the present invention;

[0035] Figure 3 is a schematic flowchart of a multi-functional signal detection method provided by an embodiment of the present invention. Detailed Embodiments

[0036] The following further describes the present invention in detail in conjunction with specific embodiments, but the embodiments of the present invention are not limited thereto.

[0037] Embodiment 1

[0038] Please refer to Figure 1 , Figure 1 which is a block diagram of a multi-functional signal detection system module provided by an embodiment of the present invention, including:

[0039] A switch matrix, the input end of the switch matrix is connected to the controller, and each node is connected to a signal detector; the switch matrix has multiple input nodes, and each node is connected to the controller through a wire or an interface. The switch matrix can adopt high-performance relays or solid-state switches to achieve fast switching and isolation of multiple signals, ensuring the independence and accuracy of testing.

[0040] A number of signal detectors, which are used to send device IDs and device statuses to the controller. The device statuses include device power-on status, the operating status of each test function, the switch numbers connected to the switch matrix, and temperature data. The test functions of the signal detectors include: voltage, current, thermal resistance, thermocouple, and temperature measurement. It should be noted that for the test functions of the signal detectors, it is not limited to the above items. When integration is possible, other parameters can also be detected.

[0041] A controller, which is used to obtain test tasks, decompose the test tasks according to the device statuses to obtain a test execution control table so that the signal detectors execute test commands according to the test execution control table. Among them, the test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, test serial number. The test tasks have a large degree of randomness, and not every signal detector can detect each function completely. Therefore, it is necessary to decompose according to the actual situation to form a test execution control table. In addition, the controller of this embodiment supports processing multiple test tasks simultaneously, and maximizes the utilization of test resources by optimizing the path configuration of the switch matrix. When performing multi-task tests, the optimal execution path control table further includes a task serial number and a task execution time period. Thus, while distinguishing tasks, multi-task overlapping execution is avoided.

[0042] A control table adjustment module, which is used to judge whether the nearest pre-execution path control table meets the execution requirements according to the test tasks when each group of optimal execution path control tables has been executed. If so, adjust the nearest pre-execution path control table to an optimal execution path control table until the test tasks are completed. Since there are three groups of optimal execution path control tables in this embodiment, the nearest pre-execution path control table is the fourth group. After the first group of optimal execution path control tables has been executed, the nearest pre-execution path control table immediately becomes the third group.

[0043] In a specific embodiment, the control table adjustment module includes:

[0044] The optimal execution path control table update unit is used to, when each group of optimal execution path control tables finishes execution, obtain the device status of each signal detector. If all signal detectors are in the on state, and the operating status of the test function corresponding to the most recent pre-execution path control table is normal and the temperature data is within the temperature threshold range, then adjust the most recent pre-execution path control table to the optimal execution path control table; if any signal detector is in an open circuit state, record the device ID of the signal detector in the open circuit state, compare the device ID of the signal detector with the optimal execution path control table. If the optimal execution path control table includes the device ID of the signal detector, then delete the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjust the corresponding detection task to the pre-execution path control table;

[0045] The pre-execution path control table update unit is used to update the pre-execution path control table according to the adjusted test task, and adjust the most recent pre-execution path control table after the update to the optimal execution path control table. Through the above adjustment, it is possible to avoid delays in the test progress caused by signal detector failures. Even if there is only one signal detector, the detection task can be completed.

[0046] In a specific embodiment, the controller is further used to, when it is determined that the temperature data fed back by any signal detector is outside the temperature threshold range, control the corresponding path of the switch matrix to close, and read the test type and test sequence number of the signal detector from the optimal execution path control table and the pre-execution path control table, and add the test task to the signal detector that matches the test type and test sequence number.

[0047] In a specific embodiment, the controller is further used to, when the controller determines that the disconnection time of any switch matrix is greater than the preset time, control the matrix switch to turn on, so that the signal detector corresponding to the matrix switch sends the device status to the controller, so that when the temperature data in the device status feedback is within the temperature threshold range, add the signal detector to the pre-execution path control table. Since the temperature index has a great influence on the accuracy of the test results, it is necessary to ensure that the temperature is within the threshold range. If it exceeds the threshold, the signal detector will no longer be used for detection until the temperature recovers.

[0048] In a specific embodiment, the controller is further used to adjust the format of the collected test data according to the model of the signal detector, so that the test data has the same data format when stored. This embodiment can be compatible with different signal detectors for measurement. After the format is adjusted by the controller, different formats are unified, thereby improving the adaptability of the system.

[0049] The multi-functional signal detection system of the present invention integrates a switch matrix and multiple signal detectors, enabling the system to handle multiple test tasks simultaneously, significantly improving the test efficiency. The controller dynamically generates a test execution control table according to the device status, including the optimal execution path and the pre-execution path, ensuring the orderly and efficient execution of test tasks and increasing the flexibility of testing. In addition, it can monitor the status of the signal detectors in real time, including the device on status, the operation status of the test functions, and the temperature data. Once an abnormality is detected, it can quickly adjust the test path to avoid equipment damage or test data errors. When the temperature data feedback by the signal detector exceeds the threshold, the system automatically adjusts the test task to other suitable detectors, ensuring the continuity of testing and the accuracy of data. Moreover, through intelligent judgment and adjustment, the test tasks are assigned to the signal detectors with the best status, effectively utilizing the detection resources and reducing unnecessary waiting and idle time.

[0050] The present invention also provides a multi-functional signal detector. Please refer to Figure 2 , including::

[0051] A signal sending module, configured to send the device ID and the device status to the controller, where the device status includes the device on status, the operation status of each test function, the switch number connected to the switch matrix, and the temperature data, and the test functions of the signal detector include: voltage, current, thermal resistance, thermocouple, and temperature measurement;

[0052] A signal receiving module, configured to receive the test command sent by the controller, where the test command is obtained by decomposing the test task according to the device status to generate a test execution control table, and is generated according to the test execution control table. The test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, and test serial number;

[0053] An execution module, configured to control the corresponding test function to be turned on or off according to the test command to complete the test.

[0054] The present invention also provides a multi-functional signal detection method, which is applied to the controller side. Please refer to Figure 3 , including:

[0055] Obtain the device ID and the device status sent by the signal detector. The device status includes the device on status, the operation status of each test function, the switch number connected to the switch matrix, and the temperature data. The test functions of the signal detector include: voltage, current, thermal resistance, thermocouple, and temperature measurement;

[0056] Obtain a test task, decompose the test task according to the device status to obtain a test execution control table, so that the signal detector executes test commands according to the test execution control table. Among them, the test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, test sequence number;

[0057] When each group of optimal execution path control tables is executed, judge whether the nearest pre-execution path control table meets the execution requirements according to the test task. If so, adjust the nearest pre-execution path control table to the optimal execution path control table until the test task is completed.

[0058] In a specific embodiment, judging whether the nearest pre-execution path control table meets the execution requirements according to the test task includes:

[0059] The optimal execution path control table update unit is used to obtain the device status of each signal detector when each group of optimal execution path control tables is executed. If all signal detectors are in the on state, and the operating status of the test function corresponding to the nearest pre-execution path control table is normal and the temperature data is within the temperature threshold range, then adjust the nearest pre-execution path control table to the optimal execution path control table; if any signal detector is in an open circuit state, record the device ID of the signal detector in the open circuit state, compare the device ID of the signal detector with the optimal execution path control table. If the optimal execution path control table includes the device ID of the signal detector, delete the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjust the corresponding detection task to the pre-execution path control table;

[0060] The pre-execution path control table update unit is used to update the pre-execution path control table according to the adjusted test task, and adjust the updated nearest pre-execution path control table to the optimal execution path control table.

[0061] In a specific embodiment, the method further includes: when it is judged that the temperature data fed back by any signal detector is outside the temperature threshold range, the controller controls the corresponding path of the switch matrix to be closed, and reads the test type and test sequence number of the signal detector from the optimal execution path control table and the pre-execution path control table, and adds the test task to the signal detector that matches the test type and test sequence number.

[0062] In a specific embodiment, the method further includes: when the controller determines that the disconnection time of any switch matrix is greater than a preset time, controlling the matrix switch to turn on, so that the signal detector corresponding to the matrix switch sends the device status to the controller, and when the temperature data feedback in the device status is within the temperature threshold range, adding the signal detector to the pre-execution path control table.

[0063] In a specific embodiment, the controller is further configured to adjust the format of the collected test data according to the model of the signal detector, so that the test data has the same data format when stored.

[0064] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0065] Although the present application has been described in connection with various embodiments herein, however, in the process of implementing the claimed present application, those skilled in the art can understand and achieve other variations of the disclosed embodiments by viewing the accompanying drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other components or steps, and "a" or "one" does not exclude a plurality of situations. A single processor or other unit can implement several functions recited in the claims. Certain measures are recited in mutually different dependent claims, but this does not mean that these measures cannot be combined to produce good results.

[0066] The above content is a further detailed description of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope of the present invention.

Claims

1. A multi-functional signal detection system, characterized in that, Comprising: A switch matrix, the input end of the switch matrix is connected to a controller, and each node is connected to a signal detector; A number of signal detectors for sending device ID and device status to the controller, the device status including device on state, operating state of each test function, switch number connected to the switch matrix, and temperature data, the test functions of the signal detector including: voltage, current, thermal resistance, thermocouple, and temperature measurement; A controller for obtaining a test task, decomposing the test task according to the device status to obtain a test execution control table so that the signal detector executes test commands according to the test execution control table, wherein the test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table, and the optimal execution path control table includes: signal detector device ID, switch number, test type, test sequence number; A control table adjustment module for, when each group of optimal execution path control tables is executed, judging whether the nearest pre-execution path control table meets the execution requirements according to the test task, and if so, adjusting the nearest pre-execution path control table to an optimal execution path control table until the test task is completed; The control table adjustment module includes: An optimal execution path control table update unit for, when each group of optimal execution path control tables is executed, obtaining the device status of each signal detector, and if all signal detectors are in the on state, and the operating states of the test functions corresponding to the nearest pre-execution path control table are all normal and the temperature data is within the temperature threshold range, adjusting the nearest pre-execution path control table to an optimal execution path control table; if any signal detector is in an open circuit state, recording the device ID of the signal detector in the open circuit state, comparing the device ID of the signal detector with the optimal execution path control table, and if the optimal execution path control table includes the device ID of the signal detector, deleting the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjusting the corresponding detection task to the pre-execution path control table; A pre-execution path control table update unit for updating the pre-execution path control table according to the adjusted test task, and adjusting the nearest pre-execution path control table after update to an optimal execution path control table.

2. The multi-functional signal detection system according to claim 1, characterized in that, The controller is further configured to, when judging that the temperature data fed back by any signal detector is outside the temperature threshold range, control the corresponding path of the switch matrix to be closed, and read the test type and test sequence number of the signal detector from the optimal execution path control table and the pre-execution path control table, and add the test task to the signal detector that matches the test type and test sequence number.

3. The multi-functional signal detection system according to claim 1, wherein The controller is further configured to, when it determines that the disconnection time of any switch matrix is greater than a preset time, control the switch matrix to turn on, so that the signal detector corresponding to the switch matrix sends the device status to the controller, and when the temperature data feedback in the device status is within the temperature threshold range, add the signal detector to the pre-execution path control table.

4. The multi-functional signal detection system according to claim 1, characterized in that The controller is further configured to adjust the format of the collected test data according to the model of the signal detector, so that the test data has the same data format when stored.

5. A multi-functional signal detector, characterized in that, Including: A signal sending module, configured to send a device ID and a device status to the controller, where the device status includes a device on state, an operating state of each test function, a switch number connecting the switch matrix, and temperature data, and the test functions of the signal detector include: voltage, current, thermal resistance, thermocouple, and temperature measurement; A signal receiving module, configured to receive a test command sent by the controller, where the test command is obtained by decomposing a test task according to the device status to obtain a test execution control table, and is generated according to the test execution control table. The test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, test serial number; The update process of the test execution control table includes: when each group of optimal execution path control tables is executed, obtaining the device status of each signal detector. If all signal detectors are in the on state, and the operating states of the test functions corresponding to the nearest pre-execution path control table are normal and the temperature data is within the temperature threshold range, then adjust the nearest pre-execution path control table to the optimal execution path control table; if any signal detector is in an open circuit state, record the device ID of the signal detector in the open circuit state, compare the device ID of the signal detector with the optimal execution path control table. If the optimal execution path control table includes the device ID of the signal detector, delete the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjust the corresponding detection task to the pre-execution path control table; update the pre-execution path control table according to the adjusted test task, and adjust the nearest pre-execution path control table after the update to the optimal execution path control table; An execution module, configured to control the corresponding test function to turn on or off according to the test command to complete the test.

6. A multi-functional signal detection method, characterized in that, Applied to the controller side, including: Obtain the device ID and device status sent by the signal detector. The device status includes the device on state, the operating state of each test function, the switch number connecting the switch matrix, and temperature data. The test functions of the signal detector include: voltage, current, thermal resistance, thermocouple, and temperature measurement; Obtain a test task, decompose the test task according to the device status to obtain a test execution control table, so that the signal detector executes test commands according to the test execution control table. Among them, the test execution control table includes at least three groups of optimal execution path control tables and a pre-execution path control table. The optimal execution path control table includes: signal detector device ID, switch number, test type, test serial number; When each group of optimal execution path control tables is executed, judge whether the nearest pre-execution path control table meets the execution requirements according to the test task. If so, adjust the nearest pre-execution path control table to an optimal execution path control table until the test task is completed; Judging whether the nearest pre-execution path control table meets the execution requirements according to the test task includes: An optimal execution path control table update unit, which is used to obtain the device status of each signal detector when each group of optimal execution path control tables is executed. If all signal detectors are in the on state, and the operating status of the test function corresponding to the nearest pre-execution path control table is normal and the temperature data is within the temperature threshold range, then adjust the nearest pre-execution path control table to an optimal execution path control table; if any signal detector is in an open circuit state, record the device ID of the signal detector in the open circuit state, compare the device ID of the signal detector with the optimal execution path control table. If the optimal execution path control table includes the device ID of the signal detector, delete the device in the optimal execution path control table that is the same as the device ID of the signal detector, and adjust the corresponding detection task to the pre-execution path control table; A pre-execution path control table update unit, which is used to update the pre-execution path control table according to the adjusted test task, and adjust the nearest updated pre-execution path control table to an optimal execution path control table.

7. The multi-functional signal detection method according to claim 6, characterized in that, The method further includes: when it is judged that the temperature data fed back by any signal detector is outside the temperature threshold range, the controller controls the corresponding path of the switch matrix to be closed, and reads the test type and test serial number of the signal detector from the optimal execution path control table and the pre-execution path control table, and adds the test task to the signal detector that matches the test type and test serial number.

8. The multi-functional signal detection method according to claim 6, wherein The method further includes: when the controller judges that the disconnection time of any switch matrix is greater than the preset time, control the switch matrix to be turned on, so that the signal detector corresponding to the switch matrix sends the device status to the controller, so that when the temperature data in the device status feedback is within the temperature threshold range, add the signal detector to the pre-execution path control table.

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