CN114113857B - Electromagnetic compatibility test system and electromagnetic compatibility test method - Google Patents
Electromagnetic compatibility test system and electromagnetic compatibility test method Download PDFInfo
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Abstract
The invention relates to the technical field of medical instrument testing, in particular to an electromagnetic compatibility testing system and a method, which comprises a control panel, a control panel and a control panel, wherein the control panel is a main control end of an electromagnetic compatibility detecting system and is used for sending an execution command for executing a program; the detection scene analysis module is used for detecting the area where the target is located, analyzing the attribute of the target, judging according to the state of the target and transmitting a corresponding execution command; the interference threshold dividing unit is used for setting an interference threshold and dividing the detection data through the interference threshold; the invention provides an electromagnetic compatibility detection system for medical equipment, which can analyze according to equipment attributes and further perform corresponding adaptive detection and can accurately and quickly feed back electromagnetic interference items, interference frequency and properties for users.
Description
Technical Field
The invention relates to the technical field of medical instrument testing, in particular to an electromagnetic compatibility testing system and method.
Background
Electromagnetic compatibility (EMC) refers to the ability of a device or system to perform satisfactorily in its electromagnetic environment and not to generate intolerable electromagnetic interference to any device in its environment. Therefore, EMC includes two requirements: on one hand, the electromagnetic interference generated to the environment by the equipment in the normal operation process cannot exceed a certain limit value;
another aspect is that the appliance has some degree of immunity to electromagnetic interference, i.e., electromagnetic susceptibility, present in the environment in which it is located, and electromagnetic interference (EMI) is electronic noise that interferes with the cable signal and reduces signal integrity, EMI typically being generated by electromagnetic radiation generating sources such as motors and machinery. Electromagnetic interference is an electromagnetic phenomenon which people find in the early days, and the problem that whether medical equipment can be subjected to electromagnetic interference in the using process or not to be compatible in operation is always one of the problems discussed in the scientific research community for a long time.
In the prior art, if various medical devices are subjected to electromagnetic interference in the using process, problems such as system error reporting and program failure may be caused, and the judgment result of a doctor in the process of using the medical devices to diagnose a patient may be influenced, or electromagnetic interference generated by interaction of various medical devices in the process of using the medical devices cannot be synchronously operated, so that the trouble of inconvenient operation is brought to the doctor in the using process.
Disclosure of Invention
Solves the technical problem
Aiming at the defects in the prior art, the invention provides an electromagnetic compatibility testing system and method, which solve the problems that system error reporting, program faults and the like can be caused if various medical equipment is subjected to electromagnetic interference in the using process, the judgment result of a doctor when the doctor uses the medical equipment to diagnose a patient can be influenced, or the electromagnetic interference generated by the interaction of various medical equipment in the using process cannot be synchronously operated.
Technical scheme
In order to realize the purpose, the invention is realized by the following technical scheme:
an electromagnetic compatibility test system and method, comprising:
the control panel is a main control end of the electromagnetic compatibility detection system and is used for sending out an execution command for program execution;
the detection scene analysis module is used for detecting the area where the target is located, analyzing the attribute of the target, judging according to the state of the target and transmitting a corresponding execution command;
the interference threshold dividing unit is used for setting an interference threshold and dividing the detection data through the interference threshold;
the interference frequency and interference intensity calculating unit is used for receiving the detection data and calculating the interference frequency and the electromagnetic interference intensity in the corresponding interference period by combining the interference threshold dividing unit;
the interference source analysis module is used for analyzing the interference source and screening and judging the corresponding interference source according to the detection data;
and the data mapping and feedback module is used for processing the analysis result and the detection data of the interference source analysis module, generating report pictures and texts, and packaging and feeding back the finished files to the control panel.
Further, the detection scenario analysis module executes the following system program when determining that the result is running:
detection interval value setting means for: the device is used for setting a detection interval and determining a test range;
a mode switching program: the computer-readable storage medium is used for implanting a plug-in simulation program into a detected target, controlling the target to carry out debugging and switching of an operation mode, and storing an electromagnetic compatibility test program which is executed;
a detection period coordination module: and the detection period is used for coordinating the detection period of the detection target and extracting the detection data.
Further, when the detection scene analysis module determines that the detection scene is still, the following system programs are executed:
detection interval value setting means: the device is used for setting a detection interval and determining a test range;
a detection time selection unit: the detection time range setting device is used for selecting a set detection time value and providing a designated detection time range for the detection system.
Furthermore, the detection interval values of the detection interval value setting unit and the detection interval value setting unit are determined according to the wave speed of the target electromagnetic wave and the attribute of the environment medium where the target electromagnetic wave is located, and the comparison and detection of similar targets take interval values equal as interval value setting standards.
Furthermore, the mode switching process in the mode switching program is loaded with operation time calculation, and the operation time calculation is determined by the time from mode operation self-starting to full operation mode.
Furthermore, the number of interference threshold partitions in the interference threshold partition unit is not less than three, and is set to be singular, and the interference threshold partition unit has at least three preset characteristic values and N target data; and Qk characters are arranged between the preset characteristic value and the kth target data at intervals, and Rk characters are arranged between the kth target data and the (k + 1) th target data at intervals, wherein N, Qk and Rk are natural numbers not less than 1, and k is a natural number not more than N.
An electromagnetic compatibility testing method comprises the following steps:
s1: determining a specific value of an electromagnetic interference detection space according to a monitored target;
s2: judging the functional attribute property of the detected target, and selecting the optimal electromagnetic interference detection use mode;
s3: setting an electromagnetic interference distinguishing interval according to the property of the target function attribute, and simultaneously acquiring the content of electromagnetic interference detection data;
s4: dividing an interference ratio computer interference detection period according to the electromagnetic interference data, and combining a calculation result with an electromagnetic interference interval to form an office table and a data image;
s5: screening interference items according to the electromagnetic interference source, determining the electromagnetic interference source, and analyzing the interference property and the interference intensity;
s6: designing an electromagnetic interference blocking scheme according to the analysis result in the step S5, performing compatibility allocation on the detected target, and simultaneously acquiring an output signal to be detected output by the detected equipment and a standard output signal output during normal use; when the difference value between the output signal to be detected and the standard output signal is smaller than a set threshold value, determining that the sensor to be detected is normal; otherwise, determining that the sensor to be detected is invalid;
s7: and after the compatibility of the detected target is allocated, repeatedly detecting the specified interference source, and performing electromagnetic compatibility evaluation on the allocated detected target according to the threshold data of the interference source.
Furthermore, in the step S5, the interference source is screened and rejected primarily according to the usage environment and the operation status of the detected target, and then executed.
Further, the blocking scheme of the electromagnetic interference in the step S6 is divided into an artificial blocking scheme and a natural blocking scheme.
Further, the result of the electromagnetic compatibility evaluation in step S7 is processed in a table form, and data file transmission is performed through a wireless network.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the invention provides an electromagnetic compatibility detection system for medical equipment, which can analyze according to equipment attributes and further perform corresponding adaptive detection, and can accurately and quickly feed back electromagnetic interference items, interference frequency and properties for users, so that the users can operate the equipment within an electromagnetic interference allowable range value by means of the prompt of the electromagnetic interference items for indiscriminate use even if the users do not process the electromagnetic interference when operating the equipment.
2. The invention discloses an electromagnetic compatibility detection method for an electromagnetic compatibility detection system used by medical equipment, which can effectively form feedback data of an electromagnetic interference source in the execution process, so that a user can conveniently improve the compatibility of the medical equipment, and guarantee is provided for the stable use of the medical equipment.
3. The invention provides a striking display mode for the data feedback of the electromagnetic compatibility detection interference source, and the data feedback is displayed to the user by transmitting the data to the control panel, so that the user can conveniently understand the feedback information.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of an electromagnetic compatibility testing system;
FIG. 2 is a schematic diagram of an electromagnetic compatibility testing method;
FIG. 3 is an exemplary illustration of the present invention in the statistics of EMI fluctuations;
FIG. 4 is an exemplary diagram of an EMI impact determination table according to the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example 1
An electromagnetic compatibility testing system of this embodiment, as shown in fig. 1, includes:
the control panel is a main control end of the electromagnetic compatibility detection system and is used for sending out an execution command for program execution;
the detection scene analysis module is used for detecting the area where the target is located, analyzing the attribute of the target, judging according to the state of the target and transmitting a corresponding execution command;
the interference threshold dividing unit is used for setting an interference threshold and dividing the detection data through the interference threshold;
the interference frequency and interference intensity calculating unit is used for receiving the detection data and calculating the interference frequency and the electromagnetic interference intensity in the corresponding interference period by combining the interference threshold dividing unit;
the interference source analysis module is used for analyzing the interference source and screening and judging the corresponding interference source according to the detection data;
and the data mapping and feedback module is used for processing the analysis result and the detection data of the interference source analysis module, generating report pictures and texts, and packaging and feeding back the finished files to the control panel.
When the medical equipment interference source analysis module is used, the control panel sends out a detection instruction, the current state of the medical equipment is analyzed and judged through the detection scene analysis module to be detected, the interference threshold value division unit is used for dividing the interference threshold value according to the detection result, the interference frequency and the interference intensity are calculated through the interference frequency and interference intensity calculation unit on the basis of the interference threshold value division unit, and finally the calculation result is analyzed through the interference source analysis module, and a feedback is formed through the data mapping and feedback module and sent to the control panel.
As shown in FIG. 1, the detection interval values of the detection interval value setting unit and the detection interval value setting unit are determined according to the wave speed of the target electromagnetic wave and the attribute of the medium in the environment, and the comparison and detection of the similar targets set the standard by using the interval values as the interval values.
The detection range can be effectively reduced through the attribute of the detected target, so that the purpose of reducing the detection traffic is achieved, and the timeliness of the detection process is improved.
As shown in fig. 1, the mode switching process in the mode switching program includes a calculation for operation time, and the calculation for operation time is determined by the time taken for the mode operation to self-start to the full operation mode.
The working state of the detected target equipment can be comprehensively detected and monitored by the device, so that the accuracy of the detection result is ensured.
As shown in fig. 1, the number of interference threshold partitions in the interference threshold partitioning unit, which has at least three preset eigenvalues and N target data, is not less than three, and is set as singular number at the same time; and Qk characters are arranged between the preset characteristic value and the kth target data at intervals, and Rk characters are arranged between the kth target data and the (k + 1) th target data at intervals, wherein N, Qk and Rk are natural numbers not less than 1, and k is a natural number not more than N.
The accuracy of detection data analysis can be effectively improved through the setting.
Example 2
As shown in fig. 1, when the detection scenario analysis module determines that the result is running, the following system programs are executed:
detection interval value setting means for: the device is used for setting a detection interval and determining a test range;
a mode switching program: the computer-readable storage medium is used for implanting a plug-in simulation program into a detected target, controlling the target to carry out debugging and switching of an operation mode, and storing an electromagnetic compatibility test program which is executed;
a detection period coordination module: and the detection period is used for coordinating the detection period of the detection target and extracting the detection data.
The subsystem program aims at synchronous detection of a plurality of units of equipment in the medical operation process, and performs equipment coordination switching through a mode switching program to finish detection work in the deployment process, so that the subsystem program assists an interference threshold value dividing unit to better reasonably divide an intervention unit.
As shown in fig. 1, when the detection scene analysis module determines that the detection scene is still, the following system programs are executed:
detection interval value setting means for: the device is used for setting a detection interval and determining a test range;
a detection time selection unit: the time range selection device is used for selecting and setting detection time values and providing a specified detection time range for the detection system.
The subsystem program is used for the medical equipment which is not used and is in a static state, and has the advantages of corresponding quick program and quick detection timeliness.
Example 3
An electromagnetic compatibility testing method, as shown in fig. 2, includes the following steps:
s1: determining a specific value of an electromagnetic interference detection space according to a monitored target;
s2: judging the functional attribute property of the detected target, and selecting the optimal electromagnetic interference detection use mode:
s3: setting an electromagnetic interference distinguishing interval according to the property of the target function attribute, and simultaneously acquiring the content of electromagnetic interference detection data;
s4: dividing an interference ratio computer interference detection period according to the electromagnetic interference data, and combining a calculation result with an electromagnetic interference interval to form an office table and a data image;
s5: screening interference items according to the electromagnetic interference source, determining the electromagnetic interference source, and analyzing the interference property and the interference intensity;
s6: designing an electromagnetic interference blocking scheme according to the analysis result in the step S5, performing compatibility allocation on the detected target, and simultaneously acquiring an output signal to be detected output by the detected equipment and a standard output signal output during normal use; when the difference value between the output signal to be detected and the standard output signal is smaller than a set threshold value, determining that the sensor to be detected is normal; otherwise, determining that the sensor to be tested is invalid;
s7: and after the compatibility of the detected target is allocated, repeatedly detecting the specified interference source, and performing electromagnetic compatibility evaluation on the allocated detected target according to the threshold data of the interference source.
As shown in fig. 2, in step S5, the interference source is screened and rejected primarily according to the usage environment and the operation status of the detected target, and then executed.
This setting can effectually reduce the interference source item that need not to detect in the testing process and exist to reach the mesh that promotes detection efficiency.
As shown in fig. 2, the blocking scheme of the electromagnetic interference in step S6 is divided into an artificial blocking scheme and a natural blocking scheme.
The electromagnetic interference blocking scheme designed by the arrangement can be closer to the surrounding environment of the medical equipment, the cost of the scheme is reduced, and the electromagnetic interference blocking scheme is more reasonable.
Example 4
As shown in fig. 2, the results of the electromagnetic compatibility evaluation in step S7 are processed in a table format, and data file transmission is performed via a wireless network.
As shown in fig. 3 and 4, the user can more intuitively analyze the fluctuation amplitude of the electromagnetic interference within the gradually increasing threshold range through a chart, judge the influence of the electromagnetic interference on the medical device through a table, and finally achieve the purpose of compatibility through improvement and debugging.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (5)
1. An electromagnetic compatibility test system, comprising:
the control panel is a main control end of the electromagnetic compatibility detection system and is used for sending out an execution command for program execution;
the detection scene analysis module is used for detecting the area where the target is located, analyzing the attribute of the target, judging according to the state of the target and transmitting a corresponding execution command;
the interference threshold dividing unit is used for setting an interference threshold and dividing the detection data through the interference threshold;
the interference frequency and interference intensity calculating unit is used for receiving the detection data and calculating the interference frequency and the electromagnetic interference intensity in the corresponding interference period by combining the interference threshold dividing unit;
the interference source analysis module is used for analyzing the interference source and screening and judging the corresponding interference source according to the detection data;
the data mapping and feedback module is used for processing the analysis result and the detection data of the interference source analysis module, generating report pictures and texts, and packaging and feeding back the finished files to the control panel;
when the judgment result of the detection scene analysis module is running, the following system programs are executed:
detection interval value setting means for: the device is used for setting a detection interval and determining a test range;
a mode switching program: the computer-readable storage medium is used for implanting a plug-in simulation program into a detected target, controlling the target to carry out debugging and switching of an operation mode, and storing an electromagnetic compatibility test program which is executed;
a detection period coordination module: the system is used for coordinating the detection period of a detection target and extracting detection data;
when the judgment result of the detection scene analysis module is static, the following system programs are executed:
detection interval value setting means for: the device is used for setting a detection interval and determining a test range;
a detection time selecting unit: the device is used for selecting a set detection time value and providing a designated detection time range for the detection system;
the detection interval values of the detection interval value setting unit and the detection interval value setting unit are determined according to the wave speed of the target electromagnetic wave and the attribute of the medium in the environment, and the similar targets are compared and detected by taking the interval values as the interval value setting standard;
the modal switching process in the modal switching program carries operation time calculation, and the operation time calculation is determined by the time from modal operation self-starting to full operation mode;
the number of interference threshold partitions in the interference threshold partition unit is not less than three, and is set to be singular, and the interference threshold partition unit has at least three preset characteristic values and N target data; and Qk characters are arranged between the preset characteristic value and the kth target data at intervals, and Rk characters are arranged between the kth target data and the (k + 1) th target data at intervals, wherein N, Qk and Rk are natural numbers not less than 1, and k is a natural number not more than N.
2. An electromagnetic compatibility testing method, which is a method of implementing the electromagnetic compatibility testing system according to claim 1, comprising the steps of:
s1: determining a specific value of an electromagnetic interference detection space according to a monitored target;
s2: judging the functional attribute property of the detected target, and selecting the optimal electromagnetic interference detection use mode;
s3: setting an electromagnetic interference distinguishing interval according to the property of the target function attribute, and simultaneously acquiring the content of electromagnetic interference detection data;
s4: dividing an interference ratio computer interference detection period according to the electromagnetic interference data, and combining a calculation result with an electromagnetic interference interval to form an office table and a data image;
s5: screening interference items according to the electromagnetic interference source, determining the electromagnetic interference source, and analyzing the interference property and the interference intensity;
s6: designing an electromagnetic interference blocking scheme according to the analysis result in the step S5, performing compatibility allocation on the detected target, and simultaneously acquiring an output signal to be detected output by the detected equipment and a standard output signal output during normal use; when the difference value between the output signal to be measured and the standard output signal is smaller than a set threshold value, determining that the sensor to be measured is normal; otherwise, determining that the sensor to be detected is invalid;
s7: and after the compatibility of the detected target is allocated, repeatedly detecting the specified interference source, and performing electromagnetic compatibility evaluation on the allocated detected target according to the threshold data of the interference source.
3. The method according to claim 2, wherein the interference source is screened and rejected primarily according to the usage environment and the operation status of the detected target in step S5.
4. The method according to claim 2, wherein the blocking scheme for electromagnetic interference in step S6 is divided into an artificial blocking scheme and a natural blocking scheme.
5. The method according to claim 2, wherein the evaluation result of electromagnetic compatibility in step S7 is processed in a table format, and data file transmission is performed via a wireless network.
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| CN115774165B (en) * | 2022-12-28 | 2023-06-09 | 东莞市斐石智联科技有限公司 | Electromagnetic compatibility testing method for power supply energy storage equipment |
| CN116699254B (en) * | 2023-04-18 | 2023-12-26 | 山东金宇信息科技集团有限公司 | Electromagnetic interference prevention method and equipment for equipment in machine room |
| CN117647694B (en) * | 2024-01-29 | 2024-04-09 | 深圳市微克科技股份有限公司 | Quality detection method suitable for intelligent watch machining process |
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| JP5760899B2 (en) * | 2011-09-26 | 2015-08-12 | 日本電気株式会社 | Electromagnetic interference detection apparatus, electromagnetic interference detection method, and electromagnetic interference detection program |
| CN104833829B (en) * | 2015-05-12 | 2019-06-14 | 广州市诚臻电子科技有限公司 | A kind of motor load tunable arrangement for electromagnetic compatibility test |
| CN105467255B (en) * | 2016-01-21 | 2018-04-17 | 广州市诚臻电子科技有限公司 | A kind of electromagnetic compatibility test system and method for on-chip study data |
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