CN118330377B - Intelligent detection system for weak current equipment - Google Patents
Intelligent detection system for weak current equipment Download PDFInfo
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- CN118330377B CN118330377B CN202410766397.9A CN202410766397A CN118330377B CN 118330377 B CN118330377 B CN 118330377B CN 202410766397 A CN202410766397 A CN 202410766397A CN 118330377 B CN118330377 B CN 118330377B
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 238000004458 analytical method Methods 0.000 claims abstract description 120
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 6
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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Abstract
The invention relates to the technical field of electric signal detection, in particular to an intelligent detection system for weak current equipment, which comprises an equipment connection module, an equipment identification module, a voltage stabilizing module, a data acquisition module, a storage module, an analysis module and a control module. According to the invention, the equipment identification module and the analysis module are arranged, so that the corresponding operation condition judgment reference can be selected according to the parameter information of the connected weak current equipment, and whether the selected operation condition judgment reference meets the standard is further judged through the fluctuation condition of the detection voltage value acquired based on the historical detection data, thereby effectively avoiding the occurrence of misjudgment caused by judging the operation conditions of equipment with different rated parameters by using the same reference, and simultaneously effectively improving the detection efficiency of the system aiming at the weak current equipment.
Description
Technical Field
The invention relates to the technical field of electric signal detection, in particular to an intelligent detection system for weak current equipment.
Background
Weak current devices can be regarded as weak current systems, and power applications can be classified into strong current and weak current according to the intensity of power transmission. The building and building group power utilization generally refers to strong power of 220V50Hz or above, and mainly provides electric energy for people to convert electric energy into other energy. The weak current in the intelligent building is mainly of two types, namely low-voltage electric energy such as a specified safety voltage class, a control voltage and the like, and the low-voltage electric energy comprises alternating current and direct current, the alternating current is less than 36V, the direct current is less than 24V, such as a 24V direct current control power supply, or an emergency lighting lamp standby power supply. Another type is information sources carrying information such as voice, image, data, etc., such as telephone, television, computer information.
The weak current detection system is a detection device for weak current equipment, is generally used for detecting the electrifying condition of the weak current equipment, devices such as a universal meter and an ammeter in the prior art have good detection effects, but the existing weak current engineering safety detection device can only detect the operating voltage of the weak current equipment and cannot determine the reason for causing the voltage change of the weak current equipment, and meanwhile, the detection system in the prior art cannot sense the external environment, so that the detected result is deviated, misjudgment is made on the operating condition of the weak current equipment, and the detection efficiency for the weak current equipment is reduced.
Disclosure of Invention
Therefore, the invention provides an intelligent detection system for weak current equipment, which is used for solving the problem of low detection efficiency for the weak current equipment caused by the fact that the external environment cannot be perceived in the prior art.
To achieve the above object, the present invention provides an intelligent detection system for weak current devices, comprising:
The top of the shell is provided with a top cover movably connected with the shell, and a refrigerating device for adjusting the temperature in the shell is arranged in the shell; a circuit board is also arranged in the shell;
the device connection module is arranged on the circuit board and is used for being connected with weak current devices;
The equipment identification module is arranged on the circuit board and connected with the equipment connection module, and is used for acquiring parameter information of the weak current equipment;
The voltage stabilizing module is arranged on the circuit board, is arranged at the input end of the circuit and is connected with the equipment connecting module and used for stabilizing the output voltage between the equipment connecting module and the weak current equipment;
the data acquisition module is arranged on the circuit board and connected with the weak current equipment, and is used for periodically acquiring the voltage value in the operation process of the weak current equipment;
The storage module is arranged on the circuit board and connected with the data acquisition module, and is used for receiving and storing a plurality of voltage values acquired by the data acquisition module;
The analysis module is arranged on the circuit board and is respectively connected with the data acquisition module and the storage module, and is used for determining the reference voltage and the critical voltage of the weak current equipment based on the rated voltage of the weak current equipment, selecting a corresponding processing mode according to the comparison result of the acquired voltage value and the reference voltage and the critical voltage, judging whether the selection of the reference voltage and the critical voltage meets the standard or not based on the variance value of each historical voltage value under the condition that the voltage value is smaller than or equal to the reference voltage, re-determining the reference voltage and the critical voltage when the selection does not meet the standard, judging that the operation condition of the weak current equipment meets the standard under the condition that the voltage value is larger than the reference voltage and smaller than or equal to the critical voltage, and determining the reason that the operation condition of the weak current equipment does not meet the standard based on the difference value of the voltage value and the critical voltage value under the condition that the voltage value is larger than the critical voltage; the reasons include line voltage reasons, environmental reasons and equipment reasons;
And the control module is arranged on the circuit board and is respectively connected with the voltage stabilizing module, the analysis module and the refrigerating device, and is used for conveying an instruction to the voltage stabilizing module based on the reason determined by the analysis module so as to change the output voltage conveyed to the weak current equipment by the circuit or sending the instruction to the refrigerating device so as to enable the refrigerating device to adjust the temperature in the shell to a corresponding value.
Further, the analysis module is further connected to the device identification module, and is configured to determine an operation condition determination reference for the weak current device based on the parameter information of the weak current device acquired by the device identification module, and acquire, through the storage module, the historical voltage value acquired by the data acquisition module, where the operation condition determination reference includes a reference voltage and a critical voltage.
Further, the analysis module is further configured to determine an operating condition of the weak current device at a single time node based on the voltage value measured by the data acquisition module at the time node, and re-determine a reference voltage and a critical voltage based on the determined operating condition, or determine a cause of the operating condition of the weak current device not meeting a standard based on the acquired voltage value.
Further, the analysis module is further configured to determine whether the selection for the reference voltage and the threshold voltage meets a criterion based on the obtained variance value of each of the historical voltage values, where the analysis module marks the obtained variance value as a first-order variance value:
if the primary variance value is smaller than or equal to a preset variance value set in the analysis module, the analysis module judges that the selection of the reference voltage and the critical voltage does not meet the standard, and the analysis module adjusts the reference voltage and the critical voltage to corresponding values based on the obtained average value of the historical voltage values;
If the primary variance value is larger than the preset variance value, the analysis module judges that the selection of the reference voltage and the critical voltage meets the standard, the analysis module judges that the running condition of the weak current equipment does not meet the standard and the reason that the running condition of the weak current equipment does not meet the standard is that the line voltage does not meet the standard, and the analysis module sends an instruction to the control module so that the control module controls the voltage stabilizing module to reduce fluctuation of the output voltage transmitted to the weak current equipment.
Further, the analysis module is further configured to determine adjustment manners for the reference voltage and the threshold voltage based on an average value of each of the historical voltage values, where adjustment magnitudes of each adjustment manner for the reference voltage and the threshold voltage are different.
Further, the analysis module is further configured to determine a cause of the weak current device not meeting the standard based on a difference between the measured voltage value and the critical voltage value when the operation of the weak current device is determined not to meet the standard, and determine a corresponding processing mode based on the determined cause, including determining an operation parameter of the refrigeration device, determining whether the operation of the voltage stabilizing module meets the standard based on each of the historical voltage values, or sending a weak current device maintenance notification.
Further, the refrigerating device includes:
A temperature detector disposed within the housing for detecting a temperature within the housing; the temperature detector is connected with the analysis module and used for conveying the measured temperature value to the analysis module;
The fans are respectively arranged on the side walls of the shell and comprise an air inlet fan used for conveying air into the shell and an air exhaust fan used for exhausting the air in the shell, and the air inlet fan and the air exhaust fan are arranged on the two opposite side walls in the shell; the side wall of the shell provided with the fan is provided with vent holes;
The driving motor is arranged at the bottom end inside the shell and connected with the top cover through a connecting column, and is used for adjusting the height of the top cover.
Further, the analysis module is provided with a plurality of rotation speed adjusting modes aiming at the rotation speeds of the fans based on the temperature value measured by the temperature detector, and the adjustment amplitude of each rotation speed adjusting mode aiming at the rotation speeds of the fans is different.
Further, the analysis module is further configured to control the driving motor to operate to move the top cover to a corresponding height when the rotation speed of each fan reaches a critical rotation speed.
Further, the analysis module is further configured to determine whether the operation of the voltage stabilizing module meets a standard based on the variance value of each of the historical voltage values, and send a weak current device maintenance notification based on a determination result, or send an instruction to the control module to enable the control module to control the voltage stabilizing module to reduce fluctuation of the output voltage delivered to the weak current device.
Compared with the prior art, the system has the beneficial effects that the equipment identification module and the analysis module are arranged, and the corresponding operation condition judgment standard can be selected according to the parameter information of the connected weak current equipment, so that the situation of misjudgment caused by judging the operation conditions of equipment with different rated parameters by using the same standard is effectively avoided, the detection efficiency of the system for the weak current equipment is effectively improved, and meanwhile, whether the selected operation condition judgment standard meets the standard is further judged by the fluctuation condition of the detection voltage value acquired based on the historical detection data, so that the detection efficiency of the system for the weak current equipment is further improved while the situation of misjudgment caused by judging the operation conditions of equipment with different rated parameters by using the same standard is further avoided.
Furthermore, the analysis module can finish preliminary judgment on the running state of the weak current equipment according to the voltage measured by the data acquisition module at a single time node, can finish quick judgment on the running state of the weak current equipment at the current time node, and further improves the detection efficiency of the system for the weak current equipment while effectively improving the detection rate for the weak current equipment.
Furthermore, the analysis module is further configured to determine an adjustment manner for the reference voltage and the critical voltage based on an average value of each historical voltage value, and by performing targeted adjustment for the reference voltage and the critical voltage, the detection efficiency of the system for weak current equipment can be further improved while the situation that misjudgment is caused by judging the running condition of the weak current equipment by using a non-matched standard is further avoided.
Further, the analysis module is further used for determining the reason that the operation of the weak current equipment does not meet the standard based on the difference value between the measured voltage value and the critical voltage value when the operation of the weak current equipment does not meet the standard, determining the corresponding processing mode based on the determined reason, and by selecting the corresponding processing mode, the situation that the operation condition of the weak current equipment does not meet the standard caused by different reasons can be solved pertinently, and the detection efficiency of the system for the weak current equipment is further improved while the service life of the weak current equipment is effectively prolonged.
Further, the analysis module is provided with a plurality of rotating speed adjusting modes aiming at the rotating speeds of the fans based on the temperature value measured by the temperature detector, and the rotating speeds of the fans are adjusted in a targeted mode, so that the energy consumption of the system can be ensured, the temperature in the system can be effectively reduced, the situation that the measured result is misjudged due to the fact that the temperature in the system is higher than the standard can be effectively avoided, the detection precision aiming at weak current equipment of the system is effectively improved, and the detection efficiency aiming at the weak current equipment of the system is further improved.
Furthermore, the analysis module is further used for judging whether the operation of the voltage stabilizing module accords with the standard or not based on the variance value of each historical voltage value, and the abnormal condition of the line voltage caused by the fact that the operation of the voltage stabilizing module does not accord with the standard can be effectively avoided by judging the operation condition of the voltage stabilizing module, so that the service life of weak current equipment is effectively prolonged while the operation environment of the weak current equipment is effectively ensured, and the detection efficiency of the system for the weak current equipment is further improved.
Drawings
FIG. 1 is a schematic diagram of an intelligent detection system for weak current devices according to an embodiment of the present invention;
Fig. 2 is a block diagram of a circuit board in an intelligent detection system for weak current equipment according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Fig. 1 is a schematic structural diagram of an intelligent detection system for weak current devices according to an embodiment of the invention;
The intelligent detection system for the weak current equipment comprises a shell 1, a top cover 11, a refrigerating device and a circuit board 6, wherein the shell 1 is movably connected with the top cover 11, the refrigerating device is used for adjusting the temperature in the shell 1, and a plurality of modules are arranged in the circuit board to detect the operation voltage of the weak current equipment connected with the system.
Specifically, the refrigeration device includes:
A temperature detector 2 provided in the housing 1 to detect a temperature in the housing 1;
The fans are respectively arranged on the side wall of the shell 1 and comprise an air inlet fan 31 for conveying air into the shell 1 and an air exhaust fan 32 for exhausting the air in the shell, and the air inlet fan 31 and the air exhaust fan 32 are arranged on two opposite side walls in the shell 1; the side wall of the shell 1 provided with the fan is provided with vent holes;
and a driving motor 4 disposed at the bottom end inside the housing 1 and connected with the top cover 11 through a connection post 5 for adjusting the height of the top cover 11.
When the refrigerating device is operated, the air inlet fan 31 and the air exhaust fan 32 are started, the air inlet fan 31 conveys normal-temperature air outside the casing 1 to the inside of the casing 1, and the air exhaust fan 32 discharges high-temperature air inside the casing 1 to finish cooling the circuit board 6.
When the temperature detector 2 detects that the temperature in the casing 1 is still higher than the preset standard when each fan is running, the driving motor 4 is controlled to start so as to jack up the top cover 11 through the connecting column 5, thereby increasing the contact area between the air in the casing 1 and the outside air and achieving the purpose of fast heat dissipation of the circuit board 6.
Fig. 2 is a block diagram of a circuit board in an intelligent detection system for weak current equipment according to an embodiment of the invention. The circuit board 6 according to the embodiment of the present invention includes:
the device connection module is used for being connected with weak current devices;
The equipment identification module is connected with the equipment connection module and used for collecting parameter information of the weak current equipment, wherein the parameter information comprises rated voltage and rated current;
The voltage stabilizing module is arranged at the line input end on the circuit board and connected with the equipment connecting module, and is used for stabilizing the output voltage between the equipment connecting module and the weak current equipment;
The data acquisition module is connected with the weak current equipment and is used for periodically acquiring a voltage value in the operation process of the weak current equipment;
The storage module is connected with the data acquisition module and used for receiving and storing a plurality of voltage values acquired by the data acquisition module;
the analysis module is respectively connected with the data acquisition module and the storage module and is used for determining the running condition of the weak current equipment based on the acquired voltage value and/or acquiring the reason that the running condition of the weak current equipment, which is determined by the historical voltage value acquired by the data acquisition module, does not accord with the standard based on the voltage value and/or the storage module; the reasons include line voltage reasons, environmental reasons and equipment reasons; the temperature detector 2 is connected with the analysis module and is used for conveying the measured temperature value to the analysis module;
And the control module is arranged in the shell and is respectively connected with the voltage stabilizing module, the analysis module and the refrigerating device, and is used for conveying an instruction to the voltage stabilizing module based on the reason determined by the analysis module so as to change the output voltage conveyed to the weak current equipment by the circuit or sending the instruction to the refrigerating device so as to enable the refrigerating device to adjust the temperature in the shell to a corresponding value.
When the intelligent detection system is used, the equipment connection module is connected with weak current equipment, the voltage stabilizing module is connected with a circuit, the circuit sequentially transmits electric power to the weak current equipment through the voltage stabilizing module and the equipment connection module, when the weak current equipment operates, the data acquisition module acquires voltage of the weak current equipment during operation and respectively transmits measured voltage values to the storage module and the analysis module, the analysis module determines the operation condition of the weak current equipment based on the acquired voltage values, and when the operation condition of the weak current equipment is judged to be inconsistent with the standard, the control module controls the control module to transmit an instruction to the voltage stabilizing module or the refrigerating device according to the determined reason, so that the operation condition of the weak current equipment is realized by changing circuit voltage or adjusting the temperature in the shell 1.
Specifically, the analysis module is further connected with the equipment identification module, and is used for determining an operation condition judgment reference for the weak current equipment based on the parameter information of the weak current equipment acquired by the equipment identification module, wherein the operation condition judgment reference comprises a reference voltage and a critical voltage;
when the weak current equipment is communicated with the line through the intelligent detection system, the equipment identification module acquires parameter information of the weak current equipment and transmits the parameter information to the analysis module, and the analysis module determines a reference voltage U1 and a critical voltage U2 for the weak current equipment based on a rated voltage U0 of the weak current equipment; where u1=0.8×u0 and u2=1.1×u0, it is understood that if 1.1 times the rated voltage of the weak current device is greater than 36V, the analysis module sets the critical voltage U2 for the weak current device to 36V.
The analysis module is further configured to determine an operating condition of the weak current device at a single time node based on the voltage values measured by the data acquisition module at the time node, wherein:
if the voltage value is smaller than or equal to the reference voltage U1, the analysis module judges that deviation exists in selection of the reference voltage and the critical voltage, and judges whether the selection of the reference voltage and the critical voltage meets the standard or not based on each historical voltage value;
If the voltage value is larger than the reference voltage U1 and smaller than or equal to the critical voltage U2, the analysis module judges that the operation condition of the weak current equipment meets the standard, and the data acquisition module continuously detects the operation voltage of the weak current equipment according to the current operation parameters;
and if the voltage value is larger than the critical voltage U2, the analysis module judges that the operation condition of the weak current equipment does not meet the standard, and determines the reason why the operation condition of the weak current equipment does not meet the standard based on the obtained voltage value.
Specifically, the analysis module is further configured to determine whether the selection of the reference voltage and the threshold voltage meets a criterion based on the obtained variance value of each of the historical voltage values, where the analysis module marks the obtained variance value as a first-level variance value:
If the primary variance value is smaller than or equal to a preset variance value C0 set in the analysis module, the analysis module judges that the selection of the reference voltage and the critical voltage does not meet the standard, and the analysis module adjusts the reference voltage and the critical voltage to corresponding values based on the obtained average value of the historical voltage values;
If the primary variance value is larger than the preset variance value C0, the analysis module judges that the selection of the reference voltage and the critical voltage meets the standard, the analysis module judges that the running condition of the weak current equipment does not meet the standard and the reason that the running condition of the weak current equipment does not meet the standard is that the line voltage does not meet the standard, and the analysis module sends an instruction to the control module so that the control module controls the voltage stabilizing module to reduce fluctuation of the output voltage transmitted to the weak current equipment.
Wherein the preset variance value c0=3.6 is set.
Specifically, the analysis module is further configured to determine, based on an average value D of each of the historical voltage values, a manner of adjustment for the reference voltage and the threshold voltage:
if the average value D is smaller than or equal to a first preset average value D1 set in the analysis module, the analysis module uses a first preset standard adjustment coefficient alpha 1 to adjust the reference voltage and the critical voltage to corresponding values;
If the average value D is greater than the first preset average value D1 and less than or equal to a second preset average value D2 set in the analysis module, the analysis module uses a second preset standard adjustment coefficient α2 to adjust the reference voltage and the critical voltage to corresponding values;
And if the average value D is larger than the second preset average value D2, the analysis module uses a third preset standard adjustment coefficient alpha 3 to adjust the reference voltage and the critical voltage to corresponding values.
When the analysis module adjusts the reference voltage and the critical voltage by using an i-th preset standard adjustment coefficient αi, i=1, 2,3, and the adjusted reference voltage U1 '=αi×u1 and the adjusted critical voltage U2' =αi×u2 are set.
Wherein, a first preset average value d1=0.88×u1, a second preset average value d2=0.9×u1, a first preset standard adjustment coefficient α1=0.8, a second preset standard adjustment coefficient α2=0.85, and a third preset standard adjustment coefficient α3=0.9 are set.
Specifically, the analysis module is further configured to determine a cause of the weak current device operation not meeting a criterion based on a difference between the measured voltage value and the threshold voltage value when it is determined that the weak current device operation does not meet the criterion, wherein:
If the difference is smaller than or equal to a first preset difference delta U1 set in the analysis module, the analysis module judges that the weak current equipment operation is out of the standard because the temperature in the shell is out of the standard, and the control module sends an instruction to the refrigeration device to adjust the temperature in the shell to a corresponding value by changing the operation parameters of the refrigeration device;
if the difference is larger than the first preset difference DeltaU 1 and smaller than or equal to a second preset difference DeltaU 2 set in the analysis module, the analysis module judges that the voltage value fluctuates, and judges whether the operation of the voltage stabilizing module accords with a standard or not based on each historical voltage value;
And if the difference is larger than the second preset difference delta U2, the analysis module judges that the reason that the operation of the weak current equipment does not meet the standard is that the weak current equipment is aged, and the analysis module sends out a weak current equipment maintenance notice.
Wherein, the first preset difference Δu1=0.05×u0 and the second preset difference Δu2=0.1×u0 are set.
Specifically, the analysis module is further configured to determine a rotational speed of each of the fans based on the temperature value measured by the temperature detector when it is determined that the reason why the weak electric device does not operate according to the standard is that the temperature in the housing does not meet the standard, wherein:
If the temperature is smaller than or equal to a first preset temperature T1 set in the analysis module, the analysis module uses a first preset rotating speed adjusting coefficient beta 1 to adjust the rotating speed of each fan to a corresponding value;
If the temperature is greater than the first preset temperature T1 and less than or equal to a second preset temperature T2 set in the analysis module, the analysis module uses a second preset rotation speed adjustment coefficient beta 2 to adjust the rotation speed of each fan to a corresponding value;
and if the temperature is greater than the second preset temperature T2, the analysis module uses a third preset rotating speed adjusting coefficient beta 3 to adjust the rotating speed of each fan to a corresponding value.
When the analysis module adjusts the reference voltage and the critical voltage by using a j-th preset rotation speed adjustment coefficient βj, j=1, 2,3, and the adjusted rotation speed W' =w0×βj of each fan is set, wherein W0 is the initial rotation speed of each fan.
Wherein, a first preset temperature t1=60 ℃, a second preset temperature t2=70 ℃, a first preset rotation speed adjustment coefficient β1=1.1, a second preset rotation speed adjustment coefficient β2=1.3, and a third preset rotation speed adjustment coefficient β3=1.5 are set.
Specifically, the analysis module is further configured to control the driving motor to operate to move the top cover to a corresponding height when the rotation speed of each fan reaches a critical rotation speed, where the critical rotation speed wa=3000 r/min is set in this embodiment.
Specifically, the analysis module determines whether the operation of the voltage stabilizing module meets a standard based on variance values of the historical voltage values when the voltage values are determined to have fluctuation, wherein the analysis module marks the obtained variance values as secondary variance values:
If the secondary variance value is smaller than or equal to the preset variance value set in the analysis module, the analysis module judges that the reason that the operation of the weak current equipment does not meet the standard is that the weak current equipment is aged, and the analysis module sends out a weak current equipment maintenance notice;
And if the secondary variance value is larger than the preset variance value, the analysis module judges that the operation of the voltage stabilizing module does not accord with the standard, and the analysis module sends an instruction to the control module so that the control module controls the voltage stabilizing module to reduce the fluctuation of the output voltage transmitted to the weak current equipment.
It can be understood that the data in the embodiment of the invention are obtained by comprehensively analyzing and evaluating the historical detection data and the corresponding historical detection results of three months before the current detection by the system. According to the system disclosed by the invention, the numerical values of various preset parameter standards and preset coefficients for the current detection are comprehensively determined according to the voltage detection results and processing modes of 25863 different weak current devices which are detected in an accumulated manner in the first three months before the current detection. It will be understood by those skilled in the art that the determination manner of the system according to the present invention for the parameters mentioned above may be that the value with the highest duty ratio is selected as the preset standard parameter according to the data distribution, the weighted summation is used to take the obtained value as the preset standard parameter, each history data is substituted into a specific formula, and the value obtained by using the formula is taken as the preset standard parameter or other selection manner, as long as different specific conditions in the single item determination process can be definitely defined by the obtained value by the system according to the present invention are satisfied.
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
In this embodiment, the running condition of the home router is detected in real time, the device identification module obtains the parameter information of the router, and sends the parameter information to the analysis module, where the rated voltage of the router in this embodiment is 12V, the rated current is 0.6A, and the analysis module sets the reference voltage u1=9.6v and the critical voltage u2=13.2v for the router.
After the router is communicated with a line, the data acquisition module is used for periodically acquiring the operation voltage of the router, the voltage value U=8.3V is measured for the voltage value under a single time node, at this time U is smaller than U1, the analysis module judges that deviation exists for selection of the reference voltage and the critical voltage, judges whether the selection of the reference voltage and the critical voltage meets the standard or not based on each historical voltage value, the analysis module acquires the voltage values under 19 time nodes closest to the time node from the storage module, calculates the variance of the acquired 20 voltage values by combining the voltage values of the current time node, and the voltage values under each time node are shown in table 1:
TABLE 1 statistical table of historical voltage values
| Time node sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Voltage value/V | 10.0 | 9.5 | 10.7 | 11.3 | 11.9 | 12.1 | 11.3 | 10.9 | 10.1 | 11.0 |
| Time node sequence number | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Voltage value/V | 9.6 | 8.6 | 8.8 | 7.9 | 7.8 | 6.3 | 5.9 | 6.5 | 7.8 | 8.3 |
As can be found from the above table, for the variance c=3.57187 of the historical voltage values, C < C0, the analysis module determines that the selection of the reference voltage and the threshold voltage does not meet the standard, the analysis module adjusts the reference voltage and the threshold voltage to the corresponding values based on the obtained average value of each historical voltage value, the analysis module finds the average value d= 9.315V of the historical voltage values, meanwhile, the analysis module finds a first preset average value d1=0.88×9.6=8.448V for the router, a second preset average value d2=0.9×9.6=8.64V, at this time D > D2, the analysis module adjusts the reference voltage and the threshold voltage to the corresponding values using a third preset standard adjustment coefficient α3, the adjusted reference voltage U1 '=0.9×9.6v=8.64V, and the adjusted threshold voltage U2' =0.9×13.2v=11.88V.
The analysis module judges the running condition of the router under the next time node by using the reference voltage and the critical voltage after the adjustment is finished, the voltage value of the router measured by the data acquisition module is 8.7V, at the moment, the analysis module judges that the running condition of the router meets the standard, and controls the data acquisition module to continuously detect the running voltage of the router according to the current running parameters.
It can be understood that, the present adjusting process is only specific to the operation condition of the router under the current time node, and the corresponding processing modes of the router at different historical time nodes are not described in detail in this embodiment.
Example 2
In this embodiment, the real-time detection is performed on the operation status of the emergency lamp, and the device identification module obtains the parameter information of the emergency lamp and transmits the parameter information to the analysis module, where the rated voltage of the emergency lamp in this embodiment is 24V, the rated current is 0.8A, and the analysis module sets the reference voltage u1=19.2v and the critical voltage u2=26.4v for the router.
After the emergency lamp is communicated with a line, periodically acquiring the operation voltage of the router by using the data acquisition module, measuring a voltage value U=28.5V for the voltage value under a single time node, wherein U is larger than U2, judging that the operation condition of the weak current equipment does not meet the standard by the analysis module, determining the reason that the operation condition of the weak current equipment does not meet the standard based on a difference value delta U between the acquired voltage value and a critical voltage value, obtaining a difference value delta U=2.1V by the analysis module, simultaneously obtaining a first preset difference value delta U1=0.05x24=1.2V for the emergency lamp, obtaining a second preset difference value delta U2=0.1x24=2.4V, judging that the voltage value has fluctuation by the analysis module, and judging whether the operation of the voltage stabilizing module meets the standard based on each history voltage value;
The analysis module acquires the voltage values under 19 time nodes closest to the time node from the storage module, calculates the variances of the acquired 20 voltage values by combining the voltage values of the current time node, and the voltage values under each time node are shown in table 2:
table 2 statistics of historical voltage values
| Time node sequence number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Voltage value/V | 24.0 | 23.2 | 22.5 | 21.0 | 18.5 | 17.9 | 16.8 | 25.6 | 24.5 | 21.0 |
| Time node sequence number | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Voltage value/V | 27.8 | 25.8 | 26.3 | 26.9 | 29.8 | 28.0 | 27.5 | 27.6 | 27.0 | 28.5 |
According to the above table, for the variance C=3.69647 and C > C0 of the historical voltage value, the analysis module judges that the operation of the voltage stabilizing module does not meet the standard, and the control module sends an instruction to the voltage stabilizing module to enable the voltage stabilizing module to reduce fluctuation of the output voltage transmitted to the emergency lamp;
it should be noted that, in the embodiment of the present invention, the adjustment manner of the voltage stabilizing module to the output voltage of the emergency lamp is in the prior art, and will not be described herein.
After the voltage stabilizing module finishes the regulation of the output voltage of the emergency lamp, the data acquisition module acquires the voltage value of the emergency lamp at the next time node, the voltage value U ' =27.3V is measured, at the moment, U ' > U2 and the difference value DeltaU ' <DeltaU1 between the voltage value and the critical voltage are more than U2, the analysis module judges that the reasons that the weak current equipment does not run according with the standard are that the temperature in the shell does not meet the standard, and the control module sends an instruction to the refrigerating device to regulate the rotating speed of each fan;
The temperature detector 2 detects the temperature t=63 ℃, T1 < T2 in the casing 1, and at this time, the rotation speed of each fan is adjusted to a corresponding value by using a second preset rotation speed adjustment coefficient β2, in this embodiment, the initial rotation speed w0=2400 r/min of each fan is obtained, at this time, the adjusted rotation speed W '=2400×1.3=3120r/min is obtained, at this time, W' > Wa, and the control module sets the rotation speed of each fan to 3000r/min and controls the driving motor 4 to operate so as to move the top cover 11 to a corresponding height.
The data acquisition module is used for acquiring the operating voltage of the emergency lamp again at the next time node after the heat dissipation treatment of the shell 1 is completed, the voltage value U' =24.5V is measured, the analysis module judges that the operating condition of the emergency lamp meets the standard at the moment, and the data acquisition module is controlled to continuously detect the operating voltage of the emergency lamp according to the current operating parameters.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An intelligent detection system for weak current equipment, comprising:
The top of the shell is provided with a top cover movably connected with the shell, and a refrigerating device for adjusting the temperature in the shell is arranged in the shell; a circuit board is also arranged in the shell;
the device connection module is arranged on the circuit board and is used for being connected with weak current devices;
The equipment identification module is arranged on the circuit board and connected with the equipment connection module, and is used for acquiring parameter information of the weak current equipment;
The voltage stabilizing module is arranged on the circuit board, is arranged at the input end of the circuit and is connected with the equipment connecting module and used for stabilizing the output voltage between the equipment connecting module and the weak current equipment;
the data acquisition module is arranged on the circuit board and connected with the weak current equipment, and is used for periodically acquiring the voltage value in the operation process of the weak current equipment;
The storage module is arranged on the circuit board and connected with the data acquisition module, and is used for receiving and storing a plurality of voltage values acquired by the data acquisition module;
The analysis module is arranged on the circuit board and is respectively connected with the data acquisition module and the storage module, and is used for determining the reference voltage and the critical voltage of the weak current equipment based on the rated voltage of the weak current equipment, selecting a corresponding processing mode according to the comparison result of the acquired voltage value and the reference voltage and the critical voltage, judging whether the selection of the reference voltage and the critical voltage meets the standard or not based on the variance value of each historical voltage value under the condition that the voltage value is smaller than or equal to the reference voltage, re-determining the reference voltage and the critical voltage when the selection does not meet the standard, judging that the operation condition of the weak current equipment meets the standard under the condition that the voltage value is larger than the reference voltage and smaller than or equal to the critical voltage, and determining the reason that the operation condition of the weak current equipment does not meet the standard based on the difference value of the voltage value and the critical voltage value under the condition that the voltage value is larger than the critical voltage; the reasons include line voltage reasons, environmental reasons and equipment reasons;
And the control module is arranged on the circuit board and is respectively connected with the voltage stabilizing module, the analysis module and the refrigerating device, and is used for conveying an instruction to the voltage stabilizing module based on the reason determined by the analysis module so as to change the output voltage conveyed to the weak current equipment by the circuit or sending the instruction to the refrigerating device so as to enable the refrigerating device to adjust the temperature in the shell to a corresponding value.
2. The intelligent detection system for weak-current equipment according to claim 1, wherein the analysis module is further connected to the equipment identification module, and is configured to determine an operation condition determination reference for the weak-current equipment based on the parameter information of the weak-current equipment acquired by the equipment identification module, and acquire the historical voltage value acquired by the data acquisition module through the storage module, where the operation condition determination reference includes a reference voltage and a critical voltage.
3. The intelligent detection system for weak electric devices according to claim 2, wherein the analysis module is further configured to determine an operating condition of the weak electric device at a single time node based on the voltage value measured by the data acquisition module at the time node, and to re-determine a cause for the reference voltage and the threshold voltage based on the determined operating condition, or to determine a cause of the operating condition of the weak electric device not meeting the standard based on the obtained voltage value.
4. The intelligent detection system for weak current equipment according to claim 3, wherein the analysis module is further configured to determine whether the selection of the reference voltage and the threshold voltage meets the criterion based on the obtained variance value of each of the historical voltage values, wherein the analysis module marks the obtained variance value as a first-order variance value:
if the primary variance value is smaller than or equal to a preset variance value set in the analysis module, the analysis module judges that the selection of the reference voltage and the critical voltage does not meet the standard, and the analysis module adjusts the reference voltage and the critical voltage to corresponding values based on the obtained average value of the historical voltage values;
If the primary variance value is larger than the preset variance value, the analysis module judges that the selection of the reference voltage and the critical voltage meets the standard, the analysis module judges that the running condition of the weak current equipment does not meet the standard and the reason that the running condition of the weak current equipment does not meet the standard is that the line voltage does not meet the standard, and the analysis module sends an instruction to the control module so that the control module controls the voltage stabilizing module to reduce fluctuation of the output voltage transmitted to the weak current equipment.
5. The intelligent detection system for weak current equipment according to claim 4, wherein the analysis module is further configured to determine adjustment modes for the reference voltage and the critical voltage based on an average value of each of the historical voltage values, and adjustment amplitudes of the adjustment modes for the reference voltage and the critical voltage are different.
6. The intelligent detection system for weak electric equipment according to claim 3, wherein the analysis module is further configured to determine a cause of the weak electric equipment operation not meeting a standard based on a difference between the measured voltage value and the critical voltage value when it is determined that the weak electric equipment operation is not meeting the standard, and determine a corresponding processing manner based on the determined cause, including determining an operation parameter of the refrigeration device, determining whether the operation of the voltage stabilizing module meets the standard based on each of the historical voltage values, or issuing a weak electric equipment maintenance notification.
7. The intelligent detection system for weak current equipment of claim 6, wherein the refrigeration device comprises:
A temperature detector disposed within the housing for detecting a temperature within the housing; the temperature detector is connected with the analysis module and used for conveying the measured temperature value to the analysis module;
The fans are respectively arranged on the side walls of the shell and comprise an air inlet fan used for conveying air into the shell and an air exhaust fan used for exhausting the air in the shell, and the air inlet fan and the air exhaust fan are arranged on the two opposite side walls in the shell; the side wall of the shell provided with the fan is provided with vent holes;
The driving motor is arranged at the bottom end inside the shell and connected with the top cover through a connecting column, and is used for adjusting the height of the top cover.
8. The intelligent detection system for weak current equipment according to claim 7, wherein the analysis module is provided with a plurality of rotation speed adjustment modes for the rotation speeds of the fans based on the temperature value measured by the temperature detector, and the adjustment amplitudes of the rotation speed adjustment modes for the rotation speeds of the fans are different.
9. The intelligent detection system for weak current equipment according to claim 8, wherein the analysis module is further configured to control the driving motor to operate to move the top cover to a corresponding height when the rotational speed of each of the fans reaches a critical rotational speed.
10. The intelligent detection system for weak electric equipment according to claim 6, wherein the analysis module is further configured to determine whether the operation of the voltage stabilizing module meets a criterion based on a variance value of each of the historical voltage values, and to issue a weak electric equipment maintenance notification based on a determination result, or to send an instruction to the control module to cause the control module to control the voltage stabilizing module to reduce fluctuation of the output voltage supplied to the weak electric equipment.
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| CN116088394A (en) * | 2023-03-03 | 2023-05-09 | 山东欧通信息科技有限公司 | Intelligent weak current equipment control system based on Internet of things |
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| CN116470637B (en) * | 2023-03-08 | 2023-11-10 | 山东欧通信息科技有限公司 | Weak current equipment power supply monitoring system based on data analysis |
| CN116321571B (en) * | 2023-05-19 | 2023-08-18 | 苏州尚集思智能技术有限公司 | Networking type LED fire emergency lamp based on Internet of things technology |
| CN116669385A (en) * | 2023-06-08 | 2023-08-29 | 浙江华文通信工程有限公司 | Machine room communication maintaining system based on continuous operation |
| CN116583092B (en) * | 2023-07-10 | 2023-09-08 | 深圳安森德半导体有限公司 | High-temperature protection equipment of DCDC voltage stabilizer |
| CN117549535B (en) * | 2024-01-12 | 2024-03-19 | 广州孚达保温隔热材料有限公司 | Intelligent equipment monitoring method for insulation board preparation |
| CN118114936B (en) * | 2024-03-07 | 2024-08-27 | 广州市广农数链信息科技有限公司 | Agricultural information management system based on Internet |
| CN118068078B (en) * | 2024-04-16 | 2024-07-05 | 温州正原电子有限公司 | Test pencil for detecting voltage in wall |
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| CN115877115A (en) * | 2023-02-27 | 2023-03-31 | 山东欧通信息科技有限公司 | Safety detection system for weak current equipment installation based on big data |
| CN116088394A (en) * | 2023-03-03 | 2023-05-09 | 山东欧通信息科技有限公司 | Intelligent weak current equipment control system based on Internet of things |
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