CN116819213B - Remote test self-adaptive interface data acquisition method, system and application program - Google Patents
Remote test self-adaptive interface data acquisition method, system and application program Download PDFInfo
- Publication number
- CN116819213B CN116819213B CN202310810924.7A CN202310810924A CN116819213B CN 116819213 B CN116819213 B CN 116819213B CN 202310810924 A CN202310810924 A CN 202310810924A CN 116819213 B CN116819213 B CN 116819213B
- Authority
- CN
- China
- Prior art keywords
- resistor
- terminal
- data acquisition
- data
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000006870 function Effects 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 101100434411 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ADH1 gene Proteins 0.000 claims description 48
- 101150102866 adc1 gene Proteins 0.000 claims description 48
- 230000003044 adaptive effect Effects 0.000 claims description 34
- 239000003990 capacitor Substances 0.000 claims description 30
- 238000003860 storage Methods 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 5
- 230000003993 interaction Effects 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 22
- 238000010586 diagram Methods 0.000 description 15
- 239000002609 medium Substances 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000012120 mounting media Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Telephone Function (AREA)
Abstract
The invention provides a remote test self-adaptive interface data acquisition method, a system and an application program, wherein the method comprises the following steps: collecting operation data or fatigue durability data of the electrical equipment in real time, and remotely transmitting the data to a receiving terminal through the cloud in real time; the method for collecting the operation data or the fatigue durability data of the electrical equipment in real time comprises the following steps: the method comprises the steps of designing a magnetic signal self-adaptive data acquisition circuit and a voltage signal self-adaptive data acquisition circuit, acquiring magnetic signals in real time by adopting the magnetic signal self-adaptive data acquisition circuit, acquiring voltage signals in real time by adopting the voltage signal self-adaptive data acquisition circuit, and uploading the voltage signals to the cloud. The invention adopts the self-adaptive data acquisition interface, one interface can simultaneously adapt to positive and negative inputs of magnetic signals and positive and negative inputs of voltage signals, eliminates risks caused by misoperation, ensures accurate and reliable data, and remotely transmits the data to the receiving terminal through the cloud in real time, thereby realizing the functions of remote test, remote monitoring and remote analysis.
Description
Technical Field
The invention relates to the technical field of test data acquisition of electrical equipment, in particular to a remote test self-adaptive interface data acquisition method, a system and an application program.
Background
At present, electrical equipment in a building is widely used in various fields of economic construction and people living, and becomes an indispensable production and living facility in social production and people living. China is used as the second major economic body of the world, and is also the large country for producing and using electrical equipment.
At present, the monitoring of the operation data of the electrical equipment is an important index for judging the safety performance of the electrical equipment, is a judging basis for the safety evaluation and risk evaluation of the electrical equipment, and is also an important input value for the calculation of the operation carbon emission value of the electrical equipment.
With the development of the electric equipment industry technology and the increasing market competition, particularly the implementation of maintenance of each electric equipment according to the need, the electric equipment is remotely monitored and pushed to the tuyere wave tip; remote detection and remote monitoring systems for electrical equipment should be in line with the development of industry technology. Many new technologies are increasingly being applied to the field of electrical equipment, and new technological means are continuously introduced from the installation, maintenance, detection of electrical equipment, and monitoring of daily operational states.
The operation data of the electrical equipment is an important basis for analyzing the safety state of the electrical equipment, and is an important index for calculating the energy consumption and carbon emission of the electrical equipment. Remote data monitoring is a necessary means for conducting operational endurance tests on electrical equipment components. The fatigue endurance test of the important parts of the electrical equipment is an important work for testing the electrical equipment at the present stage, and the fatigue endurance test needs to be continuously tested for one month to several years.
However, there is a variety and complexity in the type of data for electrical device operational data and for durability testing of electrical device components. At present, the main mode of carrying out the test operation of the electrical equipment is that data is recorded by test personnel on site regularly, errors of manual operation are large, different acquisition interfaces are required to be configured for different signal sources during the test, a wiring method is required to be clearly acquired, misoperation is easy to occur, for example, the directions of magnetic signals and voltage signals are reversely connected, and risks such as data distortion and equipment damage can be caused.
Disclosure of Invention
In view of the above, the invention aims to design a remote test self-adaptive interface data acquisition method, and a special data acquisition circuit is designed for acquiring operation data or fatigue endurance data of electrical equipment in real time, and the self-adaptive data acquisition interface is adopted, so that one interface can simultaneously adapt to positive and negative inputs of magnetic signals and positive and negative inputs of voltage signals, thereby eliminating risks caused by misoperation and ensuring accurate and reliable data; and the data is remotely transmitted to the receiving terminal through the cloud in real time, so that the functions of remote test, remote monitoring, remote analysis and the like are realized.
The invention provides a remote test self-adaptive interface data acquisition method, which comprises the following steps:
Collecting operation data or fatigue durability data of the electrical equipment in real time, and remotely transmitting the operation data or the fatigue durability data of the electrical equipment to a receiving terminal through cloud in real time to realize remote test, remote monitoring and remote analysis of the electrical equipment;
The method for collecting the operation data or the fatigue durability data of the electrical equipment in real time comprises the following steps:
The method comprises the steps of designing a magnetic signal self-adaptive data acquisition circuit and a voltage signal self-adaptive data acquisition circuit, adopting the magnetic signal self-adaptive data acquisition circuit to acquire magnetic signals in real time, and adopting the voltage signal self-adaptive data acquisition circuit to acquire voltage signals in real time, and uploading the voltage signals to a cloud; the data can be read in real time through the mobile phone app interface, and the state of the tested product (sample) is monitored;
Wherein, the magnetic signal self-adaptation data acquisition circuit includes: the magnetic signal acquisition system comprises an added magnetic signal acquisition loop, an original control system magnetic signal acquisition loop, a terminal 1, a terminal 2 and a magnetic signal switch, wherein the terminal 1 is positioned at the front end of the terminal 2, the magnetic signal switch is arranged between the terminal 1 and the terminal 2, the added magnetic signal acquisition loop is arranged at the rear end of the terminal 2 in a collecting way, and the added magnetic signal acquisition loop and the original control system magnetic signal acquisition loop are connected in parallel; the added magnetic signal acquisition loop comprises: the resistor at the front end of the terminal 1, the resistor at the rear end of the terminal 2, the ADC1 analog-digital converter, and the resistor, the diode and the capacitor which are connected in parallel between the resistor at the rear end of the terminal 2 and the ADC1 analog-digital converter;
the voltage signal self-adaptive data acquisition circuit comprises: the system comprises an added voltage signal acquisition loop, an original control system voltage signal acquisition loop, a terminal 1, a terminal 2 and a voltage signal switch, wherein the terminal 1 is positioned at the front end of the terminal 2, the voltage signal switch is arranged between the terminal 1 and the terminal 2, the added voltage signal acquisition loop is arranged at the rear end of the terminal 2, and the added voltage signal acquisition loop is connected with the original control system voltage signal acquisition loop in parallel; the added voltage signal acquisition loop comprises: the resistor at the front end of the terminal 1, the resistor at the rear end of the terminal 2, the ADC1 analog-digital converter, and the resistor, the diode and the capacitor which are connected in parallel between the resistor at the rear end of the terminal 2 and the ADC1 analog-digital converter.
Further, former control system magnetic signal gathers return circuit and all sets up the rear end at terminal 2, the magnetic signal gathers the return circuit and includes in the increase: r1 resistor, R3 resistor, R4 resistor, D1 diode, C1 capacitor, ADC1 analog-digital converter; the R1 resistor is arranged at the front end of the terminal 1, the R3 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R3 resistor in series, and the R4 resistor, the D1 diode and the C1 capacitor are connected between the R3 resistor and the ADC1 analog-digital converter in parallel.
Further, the former control system magnetic signal acquisition circuit sets up the front end at terminal 1, the magnetic signal acquisition circuit that increases includes: r9 resistor, R11 resistor, R12 resistor, D3 diode, C3 capacitor, ADC1 analog-digital converter; the R9 resistor is arranged at the front end of the terminal 1, the R11 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R11 resistor in series, and the R12 resistor, the D3 diode and the C3 capacitor are connected between the R11 resistor and the ADC1 analog-digital converter in parallel.
Further, the former control system voltage signal acquisition circuit sets up the front end at terminal 1, the voltage signal acquisition circuit that increases includes: r5 resistor, R7 resistor, R8 resistor, D2 diode, C2 capacitor, ADC1 analog-digital converter; the R5 resistor is arranged at the front end of the terminal 1, the R7 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R7 resistor in series, and the R8 resistor, the D2 diode and the C2 capacitor are connected between the R7 resistor and the ADC1 analog-digital converter in parallel.
Further, the former control system voltage signal acquisition circuit sets up the rear end at terminal 2, the voltage signal acquisition circuit that increases includes: r13 resistor, R15 resistor, R16 resistor, D4 diode, C4 capacitor, ADC1 analog-digital converter; the R13 resistor is arranged at the front end of the terminal 1, the R15 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R15 resistor in series, and the R16 resistor, the D4 diode and the C4 capacitor are connected between the R15 resistor and the ADC1 analog-digital converter in parallel.
The invention also provides a remote test self-adaptive interface data acquisition system, which is used for realizing the remote test self-adaptive interface data acquisition method, and comprises the following steps:
A data acquisition part: the acquired signals comprise 2 groups of brake coil signals, 2 groups of brake switch signals and corresponding time; the data acquisition part comprises data acquisition sensors, wherein the data acquisition sensors comprise 2 groups of brake coil signal data acquisition sensors and 2 groups of brake switch data acquisition sensors;
Man-machine interaction part: comprises a 7-inch touch screen and a main control board (built-in);
Data remote transmission part: the system comprises a data remote transmission module, a data communication flow card (built-in) and an LTE communication antenna;
Power supply and switch: AC220V power, equipment start-stop switch, switching power;
Equipment box: an inlet box.
Preferably, the equipment box adopts an imported brand box, has the characteristics of light weight, high strength, water resistance, collision resistance, dust resistance and corrosion resistance, is convenient to carry to the site, and can adapt to the test environment of the site.
The invention also provides a remote test self-adaptive interface data acquisition application program product, which executes the remote test self-adaptive interface data acquisition method, comprising the following steps:
A main interface and a recording interface; wherein the functions of the main interface include: test signal, current voltage value, action times, stop time length, stop times, start, clear and next page;
the recording interface functions include: start times, start time, stop times, stop time, start, clear, last page.
Further, when the terminal is a mobile phone App, the method further comprises: a mobile phone interface, the mobile phone interface comprising: a login interface, a device list interface, a device signal detail interface and a configuration mode interface.
The present invention also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor implements a remote test adaptive interface data acquisition method as described above and a remote test adaptive interface data acquisition application program product as described above.
The invention also provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the remote test adaptive interface data acquisition method as described above and the remote test adaptive interface data acquisition application product as described above when executing the program.
Compared with the prior art, the invention has the beneficial effects that:
the special data acquisition circuit is designed to acquire the operation data or fatigue durability data of the electrical equipment in real time, and the self-adaptive data acquisition interface is adopted, so that one interface can simultaneously adapt to positive and negative inputs of magnetic signals and positive and negative inputs of voltage signals, the risk brought by misoperation is eliminated, the accuracy and the reliability of the data are ensured, the data are transmitted to the receiving terminal remotely through the cloud in real time, and the functions of remote test, remote monitoring, remote analysis and the like are realized.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.
In the drawings:
FIG. 1 is a circuit diagram of a first embodiment of the magnetic signal adaptive data acquisition circuit of the present invention;
FIG. 2 is a schematic diagram of a computer device according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a second embodiment of the magnetic signal adaptive data acquisition circuit of the present invention;
FIG. 4 is a circuit diagram of a first embodiment of the voltage signal adaptive data acquisition circuit of the present invention;
FIG. 5 is a circuit diagram of a second embodiment of the voltage signal adaptive data acquisition circuit of the present invention;
FIG. 6 is a physical diagram of the remote test adaptive interface data acquisition system of the present embodiment;
FIG. 7 is a physical diagram of a power cable, a brake coil operating state acquisition sensor cable, and a brake switch operating state acquisition sensor cable according to an embodiment of the present invention;
Fig. 8 is a structural model diagram of an LTE communication antenna according to an embodiment of the present invention;
FIG. 9 is a device installation live view of an embodiment of the present invention;
FIG. 10 is a diagram of an application main interface of an embodiment of the present invention;
FIG. 11 is a diagram of an application recording interface of an embodiment of the present invention;
FIG. 12 is a diagram of a login interface for a mobile phone interface according to an embodiment of the present invention;
FIG. 13 is a device list interface diagram of a cell phone interface according to an embodiment of the present invention;
FIG. 14 is a diagram of an apparatus signal detail interface of a cell phone interface according to an embodiment of the present invention;
Fig. 15 is a configuration mode interface diagram of a mobile phone interface according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, and third may be used in this disclosure to describe various signals, these signals should not be limited to these terms. These terms are only used to distinguish one type of signal from another. For example, a first signal may also be referred to as a second signal, and similarly, a second signal may also be referred to as a first signal, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination" depending on the context.
The embodiment of the invention provides a remote test self-adaptive interface data acquisition method, which comprises the following steps:
Collecting operation data or fatigue durability data of the electrical equipment in real time, and remotely transmitting the operation data or the fatigue durability data of the electrical equipment to a receiving terminal through cloud in real time to realize remote test, remote monitoring and remote analysis of the electrical equipment;
The method for collecting the operation data or the fatigue durability data of the electrical equipment in real time comprises the following steps:
The method comprises the steps of designing a magnetic signal self-adaptive data acquisition circuit and a voltage signal self-adaptive data acquisition circuit, adopting the magnetic signal self-adaptive data acquisition circuit to acquire magnetic signals in real time, and adopting the voltage signal self-adaptive data acquisition circuit to acquire voltage signals in real time, and uploading the voltage signals to a cloud; the data can be read in real time through the mobile phone app interface, and the state of the tested product (sample) is monitored;
Wherein, the magnetic signal self-adaptation data acquisition circuit includes: the magnetic signal acquisition system comprises an added magnetic signal acquisition loop, an original control system magnetic signal acquisition loop, a terminal 1, a terminal 2 and a magnetic signal switch, wherein the terminal 1 is positioned at the front end of the terminal 2, the magnetic signal switch is arranged between the terminal 1 and the terminal 2, the added magnetic signal acquisition loop is arranged at the rear end of the terminal 2 in a collecting way, and the added magnetic signal acquisition loop and the original control system magnetic signal acquisition loop are connected in parallel; the added magnetic signal acquisition loop comprises: the resistor at the front end of the terminal 1, the resistor at the rear end of the terminal 2, the ADC1 analog-digital converter, and the resistor, the diode and the capacitor which are connected in parallel between the resistor at the rear end of the terminal 2 and the ADC1 analog-digital converter;
the voltage signal self-adaptive data acquisition circuit comprises: the system comprises an added voltage signal acquisition loop, an original control system voltage signal acquisition loop, a terminal 1, a terminal 2 and a voltage signal switch, wherein the terminal 1 is positioned at the front end of the terminal 2, the voltage signal switch is arranged between the terminal 1 and the terminal 2, the added voltage signal acquisition loop is arranged at the rear end of the terminal 2, and the added voltage signal acquisition loop is connected with the original control system voltage signal acquisition loop in parallel; the added voltage signal acquisition loop comprises: the resistor at the front end of the terminal 1, the resistor at the rear end of the terminal 2, the ADC1 analog-digital converter, and the resistor, the diode and the capacitor which are connected in parallel between the resistor at the rear end of the terminal 2 and the ADC1 analog-digital converter.
Referring to fig. 1, a first embodiment of the magnetic signal adaptive data acquisition circuit of the present invention is: the former control system magnetic signal acquisition return circuit all sets up the rear end at terminal 2, the magnetic signal acquisition return circuit that increases includes: r1 resistor, R3 resistor, R4 resistor, D1 diode, C1 capacitor, ADC1 analog-digital converter; the R1 resistor is arranged at the front end of the terminal 1, the R3 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R3 resistor in series, and the R4 resistor, the D1 diode and the C1 capacitor are connected between the R3 resistor and the ADC1 analog-digital converter in parallel.
Referring to fig. 3, a second embodiment of the magnetic signal adaptive data acquisition circuit of the present invention is: the former control system magnetic signal acquisition return circuit sets up the front end at terminal 1, the magnetic signal acquisition return circuit that increases includes: r9 resistor, R11 resistor, R12 resistor, D3 diode, C3 capacitor, ADC1 analog-digital converter; the R9 resistor is arranged at the front end of the terminal 1, the R11 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R11 resistor in series, and the R12 resistor, the D3 diode and the C3 capacitor are connected between the R11 resistor and the ADC1 analog-digital converter in parallel.
Referring to fig. 4, a first embodiment of the voltage signal adaptive data acquisition circuit of the present invention is: the former control system voltage signal acquisition return circuit sets up the front end at terminal 1, the voltage signal acquisition return circuit that increases includes: r5 resistor, R7 resistor, R8 resistor, D2 diode, C2 capacitor, ADC1 analog-digital converter; the R5 resistor is arranged at the front end of the terminal 1, the R7 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R7 resistor in series, and the R8 resistor, the D2 diode and the C2 capacitor are connected between the R7 resistor and the ADC1 analog-digital converter in parallel.
Referring to fig. 5, a second embodiment of the voltage signal adaptive data acquisition circuit of the present invention is: the former control system voltage signal acquisition return circuit sets up the rear end at terminal 2, the voltage signal acquisition return circuit that increases includes: r13 resistor, R15 resistor, R16 resistor, D4 diode, C4 capacitor, ADC1 analog-digital converter; the R13 resistor is arranged at the front end of the terminal 1, the R15 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R15 resistor in series, and the R16 resistor, the D4 diode and the C4 capacitor are connected between the R15 resistor and the ADC1 analog-digital converter in parallel.
The embodiment of the invention also provides a remote test self-adaptive interface data acquisition system, which is used for realizing the remote test self-adaptive interface data acquisition method, and the remote test self-adaptive interface data acquisition system of the embodiment uses a remote monitoring system platform of an electric equipment brake action test process, as shown in fig. 6, can complete localized data collection, recording and remote transmission of service life test conditions of the electric equipment brake, and comprises the following steps:
A data acquisition part: the acquired signals comprise 2 groups of brake coil signals, 2 groups of brake switch signals and corresponding time; the data acquisition part comprises data acquisition sensors, wherein the data acquisition sensors comprise 2 groups of brake coil signal data acquisition sensors and 2 groups of brake switch data acquisition sensors;
Power supply and switch: AC220V power, equipment start-stop switch, switching power;
Referring to fig. 7, the power cable is used to supply power to a device, one end is connected to the device, and the other end is connected to an AC220V 10A power source, and care should be taken during use: must be connected with the equipment end interface first, then connected with the AC220V 10A power interface-!
The brake coil working state acquisition sensor cable is used for acquiring whether current passes through the brake coil, one end of the brake coil is connected with the remote acquisition equipment in an aviation plug mode, and the other end of the brake coil is required to be attached to the surface of a brake to be tested (attached to the position of the magnetic field intensity as far as possible) by an attached adhesive tape; there are two groups, the other group detecting the other brake coil in the same way.
The brake switch working state acquisition sensor cable is used for acquiring brake switch signal change, wherein one end of the cable is connected with the device in an aviation plug mode, and the other end of the cable is connected with a brake switch to be tested, if the switch is already connected with detection equipment, the switch is not influenced (the original detection switch voltage is 5-24V and is not connected with the positive electrode and the negative electrode); there are two groups, the other group detecting the other brake switch in the same way.
Man-machine interaction part: comprises a 7-inch touch screen and a main control board (built-in);
Data remote transmission part: the system comprises a data remote transmission module, a data communication flow card (built-in) and an LTE communication antenna (shown in figure 8); the LTE communication antenna is used for enhancing communication signals between the communication module and the base station, and is well connected with equipment in a working state. The non-working state is to be disassembled and put into the equipment storage box.
Equipment box: an inlet box.
In this embodiment, the equipment box adopts import brand box, and light in weight, intensity are high, possess waterproof, anticollision, dustproof, corrosion-resistant characteristics, portable to scene to can adapt to the test environment on site.
Referring to fig. 9, there is shown a device installation scenario of the remote test adaptive interface data acquisition system of the present embodiment.
The main characteristics of the remote test self-adaptive interface data acquisition system of the embodiment are as follows:
The remote acquisition system can be carried out in 24 hours without being attended by people;
The remote acquisition device can record data in real time, the recorded data is not lost when power is lost, and the remote acquisition device is electrified and self-retrieved;
the working state of the brake coil has a self-adaptive function, can be self-adaptive to the N pole and the S pole, and can be self-adaptive to the strength of signals;
the working state of the brake switch has a self-adaptive function, can adapt to a mode without other circuit access, can adapt to a mode of 5-24V voltage co-directional access or a mode of 5-24V voltage reverse access, and can adapt to a normally open type and a normally closed type of a detected contact;
the data is remotely transmitted to the cloud platform, so that the remote storage is convenient;
the mobile phone has the function of checking the running state at any time, so that the running condition can be conveniently known in real time;
the system has an abnormal stop monitoring function in the test process, and performs abnormal stop recording;
the main parameters of the remote test adaptive interface data acquisition system of this embodiment are as follows:
system size: length width height 339mm length 295mm 152mm;
power supply requirements: AC220V/50Hz current 1A;
Application environment: indoor;
environmental temperature and humidity: no condensation at 0-50 deg.c and 80 wt%;
monitoring the number of trials: 1-9999 ten thousand times of adjustable;
Switching the highest voltage: direct current 24V;
Preparation work before test:
1. The brake life test bed and the device are in line connection with a brake to be tested under the condition of power failure;
2. powering up the brake life test bed to confirm that the brake life test bed part works normally;
3. Powering up the device of the embodiment, confirming that the device is started and finishing, and collecting corresponding signal changes along with the action of the brake;
The embodiment of the invention also provides a remote test self-adaptive interface data acquisition application program product, which executes the remote test self-adaptive interface data acquisition method, comprising the following steps:
a main interface and a recording interface; the functions of the main interface include, as shown in fig. 10: test signal, current voltage value, action times, stop time length, stop times, start, clear and next page;
wherein, test signal: comprising the following steps: the brake switch 1, the switch 2, the coil 1 and the coil 2 to be tested; when a certain signal changes, the lamp of the signal is lightened to be red, when the signal changes again, the corresponding signal lamp is changed to be black, and the action frequency is increased by 1 under the condition of 'starting' test;
Current voltage value: the real-time voltage values acquired by the corresponding sensors of the tested brake switch 1, the switch 2, the coil 1 and the coil 2 are in V (volt);
Number of actions: after the test button is turned on, the corresponding signals of the tested brake switch 1, the switch 2, the coil 1 and the coil 2 change 1 time every time, and the corresponding action times are increased by 1;
Stopping time period: after the start test button is turned on, the corresponding signals of the tested brake switch 1, the switch 2, the coil 1 and the coil 2 change 1 time every time, the corresponding stopping time length is cleared, and if the corresponding signals do not change the height, the corresponding stopping time length is counted after counting for 1 minute, and the counting unit is minutes;
Stop times: after the start test button is turned on, the stop time of the brake switch 1, the switch 2, the coil 1 and the coil 2 to be tested is longer than 30 minutes, and the stop times are increased by 1;
starting: after the test is ready, and after the corresponding switch indicator lamp and the corresponding voltage value are changed, a start button can be clicked to carry out test record;
And (3) clearing: before the test, or under the condition that the test data is not ideal, the 'clear' button can be clicked to be not put, reminding and countdown can occur until hands can be loosened after the completion of the prompt clearing, and the corresponding test data and records can be cleared. The purge data is not recoverable, please carefully operate-!
The next page: clicking on the next interface.
Referring to fig. 11, the recording interface includes: start times, start time, stop times, stop time, start, clear, last page.
Number of starts: the start button will establish 1 test every time, and the lamp before this time will turn red, representing the record in the present line;
start time: in the corresponding row, the point "start" button time will record the current time in the cell in the format: time of day of month;
number of starts: the maximum value of the action times of the tested brake switch 1, the switch 2, the coil 1 and the coil 2 at the moment of the point start button is recorded in the cell;
stop times: the maximum value of the action times of the tested brake switch 1, the switch 2, the coil 1 and the coil 2 in real time is recorded in the cell;
stop time: in the corresponding row, when the corresponding stopping times are changed, the current time is recorded in the cell, and the format is as follows: time of day of month;
starting: after the test is ready, and after the corresponding switch indicator lamp and the corresponding voltage value are changed, a start button can be clicked to carry out test record;
And (3) clearing: before a test or under the condition that test data are not ideal, a 'clear' button can be clicked to be not put, reminding and countdown can occur until hands can be loosened after the completion of the prompt clearing, corresponding test data and records can be cleared, the clearing data cannot be recovered, and the operation is cautious;
The last page: clicking returns to the previous interface.
When the terminal is a mobile phone App, the method further comprises the following steps: a mobile phone interface, as shown in fig. 12-15, the mobile phone interface includes: a login interface, a device list interface, a device signal detail interface and a configuration mode interface.
Clicking a button of 'total number of devices', entering a device list interface, clicking the device to be checked, entering a device signal detail interface, calling data by clicking any button, transmitting the clicked field data to a platform and a mobile phone 1 second and 1 time, and automatically ending after 1 minute. Data converted into 1 minute and 1 time are transmitted to the platform and the mobile phone.
Clicking the 'configuration mode' button to enter the configuration mode interface, and checking the test data with the same local content in the mobile phone.
The embodiment of the invention also provides a computer device, and fig. 2 is a schematic structural diagram of the computer device provided by the embodiment of the invention; referring to fig. 2 of the drawings, the computer apparatus includes: input means 23, output means 24, memory 22 and processor 21; the memory 22 is configured to store one or more programs; when the one or more programs are executed by the one or more processors 21, the one or more processors 21 implement the remote test adaptive interface data collection method and the application program as provided in the above embodiments; wherein the input device 23, the output device 24, the memory 22 and the processor 21 may be connected by a bus or otherwise, for example in fig. 2 by a bus connection.
The memory 22 is used as a readable storage medium of a computing device, and can be used for storing software programs and computer executable programs, such as the remote test adaptive interface data acquisition method and program instructions corresponding to application programs according to the embodiment of the invention; the memory 22 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for functions; the storage data area may store data created according to the use of the device, etc.; in addition, memory 22 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device; in some examples, memory 22 may further comprise memory located remotely from processor 21, which may be connected to the device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input means 23 is operable to receive input numeric or character information and to generate key signal inputs relating to user settings and function control of the device; the output device 24 may include a display device such as a display screen.
The processor 21 executes various functional applications and data processing of the device by running software programs, instructions and modules stored in the memory 22, i.e. implementing the remote test adaptive interface data acquisition method and application program described above.
The computer equipment provided by the embodiment can be used for executing the remote test self-adaptive interface data acquisition method and the application program provided by the embodiment, and has corresponding functions and beneficial effects.
Embodiments of the present invention also provide a storage medium containing computer executable instructions, which when executed by a computer processor, are for performing the remote test adaptive interface data acquisition method and application program as provided by the above embodiments, the storage medium being any of various types of memory devices or storage devices, the storage medium comprising: mounting media such as CD-ROM, floppy disk or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, lanbas (Rambus) RAM, etc.; nonvolatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc.; the storage medium may also include other types of memory or combinations thereof; in addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a second, different computer system, the second computer system being connected to the first computer system through a network (such as the internet); the second computer system may provide program instructions to the first computer for execution. Storage media includes two or more storage media that may reside in different locations (e.g., in different computer systems connected by a network). The storage medium may store program instructions (e.g., embodied as a computer program) executable by one or more processors.
Of course, the storage medium containing the computer executable instructions provided in the embodiments of the present invention is not limited to the remote test adaptive interface data collection method and the application program described in the above embodiments, and may also perform the related operations in the remote test adaptive interface data collection method and the application program provided in any embodiment of the present invention.
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 a person skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. The person skilled in the art can make equivalent changes or substitutions to the relevant technical features without departing from the principle of the invention, and the technical solutions after these changes or substitutions fall within the protection scope of the 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, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The remote test self-adaptive interface data acquisition method is characterized by comprising the following steps of:
Collecting operation data or fatigue durability data of the electrical equipment in real time, and remotely transmitting the operation data or the fatigue durability data of the electrical equipment to a receiving terminal through cloud in real time to realize remote test, remote monitoring and remote analysis of the electrical equipment;
The method for collecting the operation data or the fatigue durability data of the electrical equipment in real time comprises the following steps:
The method comprises the steps of designing a magnetic signal self-adaptive data acquisition circuit and a voltage signal self-adaptive data acquisition circuit, adopting the magnetic signal self-adaptive data acquisition circuit to acquire magnetic signals in real time, and adopting the voltage signal self-adaptive data acquisition circuit to acquire voltage signals in real time, and uploading the voltage signals to a cloud;
Wherein, the magnetic signal self-adaptation data acquisition circuit includes: the magnetic signal acquisition system comprises an added magnetic signal acquisition loop, an original control system magnetic signal acquisition loop, a terminal 1, a terminal 2 and a magnetic signal switch, wherein the terminal 1 is positioned at the front end of the terminal 2, the magnetic signal switch is arranged between the terminal 1 and the terminal 2, the added magnetic signal acquisition loop is arranged at the rear end of the terminal 2 in a collecting way, and the added magnetic signal acquisition loop and the original control system magnetic signal acquisition loop are connected in parallel; the added magnetic signal acquisition loop comprises: the resistor at the front end of the terminal 1, the resistor at the rear end of the terminal 2, the ADC1 analog-digital converter, and the resistor, the diode and the capacitor which are connected in parallel between the resistor at the rear end of the terminal 2 and the ADC1 analog-digital converter;
The voltage signal self-adaptive data acquisition circuit comprises: the system comprises an added voltage signal acquisition loop, an original control system voltage signal acquisition loop, a terminal 1, a terminal 2 and a voltage signal switch, wherein the terminal 1 is positioned at the front end of the terminal 2, the voltage signal switch is arranged between the terminal 1 and the terminal 2, the added voltage signal acquisition loop is arranged at the rear end of the terminal 2, and the added voltage signal acquisition loop is connected with the original control system voltage signal acquisition loop in parallel; the added voltage signal acquisition loop comprises: the resistor at the front end of the terminal 1, the resistor at the rear end of the terminal 2, the ADC1 analog-digital converter, and the resistor, the diode and the capacitor which are connected in parallel between the resistor at the rear end of the terminal 2 and the ADC1 analog-digital converter.
2. The method for collecting data of a remote test adaptive interface according to claim 1, wherein the original control system magnetic signal collecting circuits are all arranged at the rear end of the terminal 2, and the added magnetic signal collecting circuit comprises: r1 resistor, R3 resistor, R4 resistor, D1 diode, C1 capacitor, ADC1 analog-digital converter; the R1 resistor is arranged at the front end of the terminal 1, the R3 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R3 resistor in series, and the R4 resistor, the D1 diode and the C1 capacitor are connected between the R3 resistor and the ADC1 analog-digital converter in parallel.
3. The method for collecting data of a remote test adaptive interface according to claim 1, wherein the original control system magnetic signal collecting circuit is disposed at the front end of the terminal 1, and the added magnetic signal collecting circuit comprises: r9 resistor, R11 resistor, R12 resistor, D3 diode, C3 capacitor, ADC1 analog-digital converter; the R9 resistor is arranged at the front end of the terminal 1, the R11 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R11 resistor in series, and the R12 resistor, the D3 diode and the C3 capacitor are connected between the R11 resistor and the ADC1 analog-digital converter in parallel.
4. The method for collecting data of a remote test adaptive interface according to claim 1, wherein the original control system voltage signal collecting circuit is disposed at the front end of the terminal 1, and the added voltage signal collecting circuit comprises: r5 resistor, R7 resistor, R8 resistor, D2 diode, C2 capacitor, ADC1 analog-digital converter; the R5 resistor is arranged at the front end of the terminal 1, the R7 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R7 resistor in series, and the R8 resistor, the D2 diode and the C2 capacitor are connected between the R7 resistor and the ADC1 analog-digital converter in parallel.
5. The remote test adaptive interface data collection method according to claim 1, wherein the original control system voltage signal collection circuit is disposed at the rear end of the terminal 2, and the added voltage signal collection circuit comprises: r13 resistor, R15 resistor, R16 resistor, D4 diode, C4 capacitor, ADC1 analog-digital converter; the R13 resistor is arranged at the front end of the terminal 1, the R15 resistor is connected with the terminal 2 in series, the ADC1 analog-digital converter is connected with the R15 resistor in series, and the R16 resistor, the D4 diode and the C4 capacitor are connected between the R15 resistor and the ADC1 analog-digital converter in parallel.
6. A remote test adaptive interface data acquisition system for implementing a remote test adaptive interface data acquisition method according to any one of claims 1 to 5, comprising:
A data acquisition section comprising: a data acquisition sensor;
a man-machine interaction part;
A data remote transmission section;
A power supply and a switch;
An equipment box.
7. A remote test adaptive interface data acquisition application program product for performing the remote test adaptive interface data acquisition method of any one of claims 1-5, comprising:
A main interface and a recording interface; wherein the functions of the main interface include: test signal, current voltage value, action times, stop time length, stop times, start, clear and next page;
the recording interface functions include: start times, start time, stop times, stop time, start, clear, last page.
8. The remote test adaptive interface data collection application product of claim 7, wherein when the terminal is a mobile App, further comprising: a mobile phone interface, the mobile phone interface comprising: a login interface, a device list interface, a device signal detail interface and a configuration mode interface.
9. A computer readable storage medium having stored thereon a computer program, wherein the program when executed by a processor implements the remote test adaptive interface data acquisition method of any one of claims 1-5 and the remote test adaptive interface data acquisition application program product of claims 7, 8.
10. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the remote test adaptive interface data acquisition method according to any one of claims 1-5 and the remote test adaptive interface data acquisition application program product according to claims 7, 8 when executing the program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310810924.7A CN116819213B (en) | 2023-07-04 | 2023-07-04 | Remote test self-adaptive interface data acquisition method, system and application program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310810924.7A CN116819213B (en) | 2023-07-04 | 2023-07-04 | Remote test self-adaptive interface data acquisition method, system and application program |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116819213A CN116819213A (en) | 2023-09-29 |
| CN116819213B true CN116819213B (en) | 2024-04-16 |
Family
ID=88118228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310810924.7A Active CN116819213B (en) | 2023-07-04 | 2023-07-04 | Remote test self-adaptive interface data acquisition method, system and application program |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116819213B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473666A (en) * | 1992-09-11 | 1995-12-05 | Reliance Comm/Tec Corporation | Method and apparatus for digitally controlling gain in a talking path |
| CN101118443A (en) * | 2007-09-04 | 2008-02-06 | 杭州电子科技大学 | Coil diameter adaptive type deploying and retracting coil tension controlling device circuit |
| CN101374357A (en) * | 2007-08-23 | 2009-02-25 | 中国建筑科学研究院建筑机械化研究分院 | System and method for remote monitoring elevator base on wireless network |
| CN102916689A (en) * | 2012-11-12 | 2013-02-06 | 北京广利核系统工程有限公司 | Digital value acquisition circuit with fault diagnosis capacity |
| CN104360158A (en) * | 2014-11-18 | 2015-02-18 | 国电南瑞科技股份有限公司 | Self-adaptive key phase collection circuit |
| CN105372550A (en) * | 2015-12-10 | 2016-03-02 | 国网四川省电力公司电力科学研究院 | Intelligent communication power source monitoring device |
| CN211784025U (en) * | 2019-12-30 | 2020-10-27 | 中国建筑科学研究院有限公司 | Portable multichannel air micro-differential pressure on-site self-recording device |
| CN114910727A (en) * | 2022-05-13 | 2022-08-16 | 中铁电气化局集团有限公司 | Double-voltage self-adaptive signal acquisition device for railway signal machine |
| CN114966271A (en) * | 2022-05-13 | 2022-08-30 | 中铁电气化局集团有限公司 | Indoor comprehensive test device for distributed signal system |
| CN217362573U (en) * | 2021-11-19 | 2022-09-02 | 深圳索迦智能科技有限公司 | High-safety magnetometer |
| CN115598411A (en) * | 2022-10-11 | 2023-01-13 | 上海电气泰雷兹交通自动化系统有限公司（Cn） | Real-time power acquisition circuit, method and system compatible with Alternating Current (AC) and Direct Current (DC) switch machines |
| CN115924781A (en) * | 2022-12-05 | 2023-04-07 | 中联重科股份有限公司 | Control method, system and device of crane braking system |
| CN218995505U (en) * | 2022-09-30 | 2023-05-09 | 深圳市三诺数字科技有限公司 | Voltage and current detection circuit and device thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2537113B (en) * | 2015-04-01 | 2018-05-23 | High Voltage Partial Discharge Ltd | Apparatus and method for monitoring partial discharge |
-
2023
- 2023-07-04 CN CN202310810924.7A patent/CN116819213B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473666A (en) * | 1992-09-11 | 1995-12-05 | Reliance Comm/Tec Corporation | Method and apparatus for digitally controlling gain in a talking path |
| CN101374357A (en) * | 2007-08-23 | 2009-02-25 | 中国建筑科学研究院建筑机械化研究分院 | System and method for remote monitoring elevator base on wireless network |
| CN101118443A (en) * | 2007-09-04 | 2008-02-06 | 杭州电子科技大学 | Coil diameter adaptive type deploying and retracting coil tension controlling device circuit |
| CN102916689A (en) * | 2012-11-12 | 2013-02-06 | 北京广利核系统工程有限公司 | Digital value acquisition circuit with fault diagnosis capacity |
| CN104360158A (en) * | 2014-11-18 | 2015-02-18 | 国电南瑞科技股份有限公司 | Self-adaptive key phase collection circuit |
| CN105372550A (en) * | 2015-12-10 | 2016-03-02 | 国网四川省电力公司电力科学研究院 | Intelligent communication power source monitoring device |
| CN211784025U (en) * | 2019-12-30 | 2020-10-27 | 中国建筑科学研究院有限公司 | Portable multichannel air micro-differential pressure on-site self-recording device |
| CN217362573U (en) * | 2021-11-19 | 2022-09-02 | 深圳索迦智能科技有限公司 | High-safety magnetometer |
| CN114910727A (en) * | 2022-05-13 | 2022-08-16 | 中铁电气化局集团有限公司 | Double-voltage self-adaptive signal acquisition device for railway signal machine |
| CN114966271A (en) * | 2022-05-13 | 2022-08-30 | 中铁电气化局集团有限公司 | Indoor comprehensive test device for distributed signal system |
| CN218995505U (en) * | 2022-09-30 | 2023-05-09 | 深圳市三诺数字科技有限公司 | Voltage and current detection circuit and device thereof |
| CN115598411A (en) * | 2022-10-11 | 2023-01-13 | 上海电气泰雷兹交通自动化系统有限公司（Cn） | Real-time power acquisition circuit, method and system compatible with Alternating Current (AC) and Direct Current (DC) switch machines |
| CN115924781A (en) * | 2022-12-05 | 2023-04-07 | 中联重科股份有限公司 | Control method, system and device of crane braking system |
Non-Patent Citations (2)
| Title |
|---|
| Adaptive data acquisition algorithm in Raman distributed temperature measurement system;Z. L. Wang等;《Optik》;20140430;第125卷;第1821-1824页 * |
| 基于云平台的高效新风换气机测控系统设计;冯铁栓 等;《四川建筑科学研究》;20181225;第44卷(第6期);第106-111页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116819213A (en) | 2023-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102866301A (en) | Grounding resistance analyzing device and grounding resistance analyzing method | |
| CN101676699A (en) | Multipoint temperature acquisition method | |
| CN211402669U (en) | Low-voltage distribution network leakage current monitoring device | |
| CN116819213B (en) | Remote test self-adaptive interface data acquisition method, system and application program | |
| CN105490877A (en) | Method for testing reliability of forestry internet of things monitoring system | |
| CN111505531A (en) | Board card test system | |
| CN105424754A (en) | Intelligent home formaldehyde concentration detection system based on radio frequency recognition | |
| CN105301054A (en) | Indoor formaldehyde concentration detection system based on radio frequency identification commutating and voltage-stabilizing circuit | |
| CN207731101U (en) | Crusing robot with accurate acquisition function | |
| CN202815094U (en) | Grounding resistance analysis device | |
| CN205430401U (en) | High -speed image processing system | |
| CN103631232A (en) | Data monitoring control method and data monitoring control device | |
| CN210951906U (en) | Intelligent water purifying water heater control system | |
| CN111948527B (en) | Hall type brake switch testing device and method and vehicle | |
| CN104931535A (en) | Formaldehyde concentration monitoring system with power supply optimization function | |
| CN103903313A (en) | System and method for monitoring operating state of vehicle | |
| CN114740332B (en) | Automatic single board detection platform based on RT-thread | |
| CN213517468U (en) | Double-singlechip battery test circuit | |
| CN110865324A (en) | Automatic setting method and system for line fault indicator | |
| CN203799232U (en) | Intelligent data acquisition equipment | |
| CN103323740A (en) | Method for positioning signal failures rapidly | |
| CN209250685U (en) | A kind of power telecom network early warning system using electric power network Power Flow Information | |
| CN216286221U (en) | Laboratory environment safety monitoring device | |
| CN208076617U (en) | Portable conductivity measuring apparatus | |
| CN209911482U (en) | Broadband transient record analysis and fault accurate positioning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |