CN111024120B - Inspection method of intelligent electric well lid inclination angle monitoring device - Google Patents
Inspection method of intelligent electric well lid inclination angle monitoring device Download PDFInfo
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- CN111024120B CN111024120B CN201911168774.4A CN201911168774A CN111024120B CN 111024120 B CN111024120 B CN 111024120B CN 201911168774 A CN201911168774 A CN 201911168774A CN 111024120 B CN111024120 B CN 111024120B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
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Abstract
The invention relates to a method for inspecting an intelligent electric well lid inclination angle monitoring device, which is used for inspecting the monitoring performance of the intelligent electric well lid inclination angle monitoring device and comprises the following steps: s1) mounting the inclination angle monitoring device on the inclination angle generator; s2) generating an inclination angle with an angle smaller than the alarm set value by the inclination angle generator, and gradually increasing the inclination angle to obtain the alarm error of the inclination angle monitoring device; s3) the inclination angle generator generates inclination angles larger than the set alarm value angle once every set time, and the number of times of missing report and the response time of the inclination angle monitoring device are obtained; s4), respectively judging whether the alarm error, the number of times of missing report and the alarm response time of the inclination angle monitoring device meet the requirements, if the alarm error, the number of times of missing report and the alarm response time meet the requirements, the detection result of the inclination angle monitoring device is qualified, otherwise, the detection result is unqualified.
Description
Technical Field
The invention relates to a method for inspecting an electric power well lid monitoring device, in particular to a method for inspecting an intelligent electric power well lid inclination angle monitoring device.
Background
At present, in cities, well covers are generally used for covering inspection wells and preventing people or objects from falling into the inspection wells. In the municipal system of a city, the municipal system comprises multiple departments such as municipal administration, water supply, telecommunication, city communication, gas, military cables, electric power, street lamps, traffic police facilities and the like. In case the manhole cover meets the damage, is stolen or inclines, if the manhole cover cannot be timely processed, accidents can happen to vehicles or pedestrians because of blindness, the potential safety hazard is very large, and the accurate judgment of the inclined state of the manhole cover is very important. When the inclination angle of the well lid is too large, an alarm message needs to be sent to relevant departments instantly, and the relevant departments carry out investigation treatment in time, so that the inclination angle of the well lid needs to be monitored and alarmed
At present, an electric well lid inclination angle monitoring device is generally arranged on an intelligent electric well lid and is mainly used for monitoring whether the well lid is inclined or not and the inclined angle, transmitting the well lid inclination angle which is accurately measured to a background, and sending an alarm signal when the measured result exceeds a set threshold value, wherein the structure diagram of the electric well lid inclination angle monitoring device which is commonly used at present is shown in figure 1. The electric power well lid inclination angle monitoring device can effectively prevent dangerous situations from occurring, so the monitoring performance is very important, and the performance of the electric power well lid inclination angle monitoring device needs to be tested before the electric power well lid is delivered from a factory and in the using process.
However, the existing inspection of the electric manhole cover inclination angle monitoring device cannot effectively inspect the electric manhole cover inclination angle monitoring device with monitoring performance which does not meet the requirements of accuracy, stability and timeliness, and if the undetected unqualified devices are directly put into use without repair and adjustment, serious consequences can be caused. Meanwhile, at present, no unified method and standard exist for the inspection of the electric manhole cover inclination angle monitoring device, experienced workers are mainly used for carrying out inspection and judgment according to own methods, the accuracy and the standard of inspection results are low, and the electric manhole cover inclination angle monitoring device cannot be popularized and applied.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an inspection method for an intelligent electric manhole cover inclination angle monitoring device, which can perform efficient inspection and accurately judge.
The purpose of the invention can be realized by the following technical scheme:
a method for testing an intelligent electric power well lid inclination angle monitoring device is used for testing the monitoring performance of the intelligent electric power well lid inclination angle monitoring device and comprises the following steps:
s1) mounting the inclination angle monitoring device on the inclination angle generator;
s2) generating an inclination angle with an angle smaller than the alarm set value by the inclination angle generator, and gradually increasing the inclination angle to obtain the alarm error of the inclination angle monitoring device;
s3) the inclination angle generator generates inclination angles larger than the set alarm value angle once every set time, and the number of times of missing report and the response time of the inclination angle monitoring device are obtained;
s4), respectively judging whether the alarm error, the number of times of missing report and the alarm response time of the inclination angle monitoring device meet the requirements, if the alarm error, the number of times of missing report and the alarm response time meet the requirements, the detection result of the inclination angle monitoring device is qualified, otherwise, the detection result is unqualified.
Further, the alarm set value ranges from 5 to 50 degrees.
Further, in the step S2), the initial value of the inclination angle generated by the inclination angle generator is 26 °, and the inclination angle is increased by 1 ° step by step.
Further, in the step S2), when the tilt angle monitoring device sends out the alarm signal, the increase of the tilt angle is stopped, and the difference between the actual tilt angle value of the tilt angle generator and the alarm set value at this time is calculated as the alarm error of the tilt angle monitoring device.
Further preferably, if the absolute value of the alarm error is less than or equal to 2 °, the alarm error of the inclination angle monitoring device meets the requirement.
Further, the step S3) specifically includes:
s31) setting the generation angle of the inclination angle generator to be larger than a set alarm value;
s32) the inclination angle generator generates an inclination angle every set time and triggers a stopwatch to start timing when the inclination angle is generated every time;
s33) monitoring whether the inclination angle monitoring device sends out an alarm signal, if so, adding the alarm times and controlling a stopwatch to stop timing, and if not, skipping the step;
s34) judging whether the inclination angle generation frequency of the inclination angle generator reaches the set frequency, if so, executing the step S35), otherwise, returning to execute the step S32);
s35) calculating the difference between the alarm frequency and the set frequency as the number of times of missing report of the inclination angle monitoring device, and taking the time counted by the stopwatch as the response time of the inclination angle monitoring device.
Further preferably, in the step S31), the generation angle of the inclination angle generator is set to be 1.5 times of the set alarm value; the setting time is 5 minutes, and the setting times are 10 times.
Furthermore, if the number of times of missing report is 0, the number of times of missing report of the inclination angle monitoring device meets the requirement; and if the response time of the inclination angle monitoring device in all the alarm times is less than or equal to 90s, the response time of the inclination angle monitoring device meets the requirement.
The absolute value of the loud error angle of the inclination angle generator is less than or equal to 1 degree, a standard angle tester is fixedly arranged on a test platform of the inclination angle generator, and the absolute value of the angle test error of the standard angle tester is less than or equal to 0.1 degree.
Compared with the prior art, the invention has the following advantages:
1) the method provided by the invention is used for inspecting the electric well lid inclination angle monitoring device from three aspects of alarm error, report missing times and response time, the accuracy, stability and timeliness of the monitoring performance of the electric well lid inclination angle monitoring device are inspected, and the reliability of the inspection result is high, so that the reliability of the electric well lid inclination angle monitoring device in the using process is improved;
2) the method uses the inclination angle generator with the precision of 1 degree and the standard angle tester with the precision of 0.1 degree to simulate and determine the actual inclination angle of the well cover, improves the inspection uniformity of the electric well cover inclination angle monitoring device, obtains the final inspection result by means of data obtained by measurement and calculation, has higher accuracy and reduces the existence of inspection errors compared with the existing inspection result obtained by means of manual experience;
3) the method can be applied to the inspection in the first delivery process and the sampling inspection and check in the use process, and has high applicability and high popularization.
Drawings
FIG. 1 is a structural diagram of a conventional inclination angle monitoring device for an electric manhole cover;
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
Examples
As shown in the figure, the invention provides a method for inspecting an intelligent electric power well lid inclination angle monitoring device, which is used for inspecting the monitoring performance of the intelligent electric power well lid inclination angle monitoring device and comprises the following steps:
s1) mounting the inclination angle monitoring device on the inclination angle generator;
s2) generating an inclination angle with an angle smaller than the alarm set value by the inclination angle generator, and gradually increasing the inclination angle to obtain the alarm error of the inclination angle monitoring device;
s3) the inclination angle generator generates inclination angles larger than the set alarm value angle once every set time, and the number of times of missing report and the response time of the inclination angle monitoring device are obtained;
s4), respectively judging whether the alarm error, the number of times of missing report and the alarm response time of the inclination angle monitoring device meet the requirements, if the alarm error, the number of times of missing report and the alarm response time meet the requirements, the detection result of the inclination angle monitoring device is qualified, otherwise, the detection result is unqualified.
The dip angle measuring range of the dip angle monitoring device is 0-90 degrees, the dip angle alarm set value is 30 degrees, the dip angle alarm error limit is +/-2 degrees, the number of times of missing report is 0, and the dip angle alarm response time limit is 90 seconds. The method of the invention respectively and sequentially tests the alarm error, the number of times of missing report and the response time, and tests the detection and monitoring performance of the inclination angle monitoring device.
When detecting the alarm error, firstly making the angle generator generate an inclination angle smaller than the alarm set value, wherein the angle is 26 degrees in the embodiment, then gradually increasing the inclination angle generated by the inclination angle generator at the speed of gradually increasing 1 degree every time until the inclination angle monitoring device sends out an alarm signal, and calculating the difference between the actual inclination angle value of the inclination angle generator and the alarm set value at the moment to be used as the alarm error of the inclination angle monitoring device. And if the absolute value of the alarm error is less than or equal to 2 degrees, the alarm error of the inclination angle monitoring device meets the requirement.
The alarm missing times and the response time are simultaneously detected, firstly, the generation angle of the inclination angle generator is set to be 1.5 times of the alarm set value, the inclination angle generator generates the inclination angle every 5 minutes, a stopwatch is started to time every time the inclination angle is generated, the inclination angle monitoring device is triggered to send out an alarm signal, the stopwatch is stopped to time every time the alarm signal is sent out, when the inclination angle is continuously generated for 10 times, the alarm times sent out by the inclination angle monitoring device are recorded, the difference between the alarm times and the inclination angle generation times set for 10 times is calculated to serve as the alarm missing times of the inclination angle monitoring device, and the time counted by the stopwatch is used as the response time of the inclination angle monitoring device. If the number of times of missing report is 0, the number of times of missing report of the inclination angle monitoring device meets the requirement; and if the response time of the inclination angle monitoring device in all the alarm times is less than or equal to 90s, the response time of the inclination angle monitoring device meets the requirement. The time recorded by the stopwatch is in units of s.
If the test results of the alarm error, the number of times of missing report and the response time all meet the requirements, the inclination angle monitoring device is qualified and can be put into use, and if one or more of the test results do not meet the requirements, the inclination angle monitoring device needs to be repaired or parts need to be replaced correspondingly, and the inspection is carried out again. The inclination angle monitoring device should be regularly checked in use to ensure the accuracy, stability and timeliness of the testing performance, the checking period is generally not more than 3 years, and meanwhile, the main components need to be checked in time after being replaced or repaired.
When using the process of the invention, the preferred environmental conditions are: the temperature range is 20 +/-5 ℃, the temperature change speed is less than 1 ℃/h, the relative humidity is not more than 90%, and the conditions of mechanical vibration, impact, electromagnetic interference, acceleration and the like which influence the measurement do not exist around during the inspection. The measuring instruments used should meet the following requirements: the inclination angle generator can generate any angle within 0-90 degrees, the error of the generated angle is not more than +/-1 degrees, the generation speed of the angle is adjustable, and a device capable of fixing the module is arranged on a test platform of the angle generator; the angle testing error of the standard angle tester is +/-0.1 degrees, and the standard angle tester is placed on a testing platform of the angle generator when in use in a verification qualified period.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A method for testing an intelligent electric power well lid inclination angle monitoring device is used for testing the monitoring performance of the intelligent electric power well lid inclination angle monitoring device, and is characterized by comprising the following steps:
s1) mounting the inclination angle monitoring device on the inclination angle generator;
s2) generating an inclination angle with an angle smaller than the alarm set value by the inclination angle generator, and gradually increasing the inclination angle to obtain the alarm error of the inclination angle monitoring device;
s3) the inclination angle generator generates inclination angles larger than the set alarm value angle once every set time, and the number of times of missing report and the response time of the inclination angle monitoring device are obtained;
s4) respectively judging whether the alarm error, the number of times of missing report and the alarm response time of the inclination angle monitoring device meet the requirements, if the alarm error, the number of times of missing report and the alarm response time meet the requirements, the detection result of the inclination angle monitoring device is qualified, otherwise, the detection result is unqualified;
in step S2), when the tilt angle monitoring device sends an alarm signal, stopping increasing the tilt angle, and calculating a difference between an actual tilt angle value of the tilt angle generator and an alarm set value at that time as an alarm error of the tilt angle monitoring device;
the step S3) specifically includes:
s31) setting the generation angle of the inclination angle generator to be larger than a set alarm value;
s32) the inclination angle generator generates an inclination angle every set time and triggers a stopwatch to start timing when the inclination angle is generated every time;
s33) monitoring whether the inclination angle monitoring device sends out an alarm signal, if so, adding the alarm times and controlling a stopwatch to stop timing, and if not, skipping the step;
s34) judging whether the inclination angle generation frequency of the inclination angle generator reaches the set frequency, if so, executing the step S35), otherwise, returning to execute the step S32);
s35) calculating the difference between the alarm frequency and the set frequency as the number of times of missing report of the inclination angle monitoring device, and taking the time counted by the stopwatch as the response time of the inclination angle monitoring device.
2. The method for inspecting the intelligent device for monitoring the inclination angle of the electric manhole cover according to claim 1, wherein the alarm set value ranges from 5 degrees to 50 degrees.
3. The method of claim 2, wherein in step S2), the initial value of the inclination angle generated by the inclination generator is at least 4 ° smaller than the alarm setting value, and the inclination angle is gradually increased by 1 ° each time.
4. The inspection method of the intelligent electric manhole cover inclination angle monitoring device according to claim 1, wherein if the absolute value of the alarm error is less than or equal to 2 °, the alarm error of the inclination angle monitoring device meets the requirement.
5. The inspection method of the intelligent electric manhole cover inclination angle monitoring device according to claim 1, wherein if the number of times of missing report is 0, the number of times of missing report of the inclination angle monitoring device meets the requirement; and if the response time of the inclination angle monitoring device in all the alarm times is less than or equal to 90s, the response time of the inclination angle monitoring device meets the requirement.
6. The method for inspecting the inclination angle monitoring device of the intelligent electric manhole cover according to claim 1, wherein in the step S31), the generation angle of the inclination angle generator is set to be more than 1.5 times and less than 90 degrees of the set alarm value, and the set number of times is at least 10 times.
7. The method for inspecting the intelligent electric manhole cover inclination angle monitoring device according to any one of claims 1 or 3, wherein the absolute value of the error angle generated by the inclination angle generator is less than or equal to 1 °, and a standard angle tester is further fixedly arranged on the test platform of the inclination angle generator, and the absolute value of the angle test error of the standard angle tester is less than or equal to 0.1 °.
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| CN112781556A (en) * | 2020-12-18 | 2021-05-11 | 西安中星测控有限公司 | Well lid transaction monitoring method and device based on multi-data fusion filtering |
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