188results about How to "Judgment method is simple" patented technology

The invention discloses an intelligent management method for a photovoltaic module, and belongs to the field of operating maintenance of photovoltaic power stations. The intelligent management method for the photovoltaic module comprises the steps of (1) collecting external information of the photovoltaic module; (2) obtaining an actual I-V characteristic curve according to the external information; (3) judging whether the actual I-V characteristic curve meets a theoretical I-V characteristic curve or not, further analyzing abnormal types by utilizing a natural law principle if a set error value is exceeded, and otherwise, repeating the above steps; (4) sending warning messages if the abnormal types are judged to be faults, executing cleaning operation if the abnormal types are judged to be overmuch dirt retention, and carrying out no actions if the abnormal types are judged to be shadow covering. The invention further discloses an intelligent management system of the photovoltaic module. According to the intelligent management method and system for the photovoltaic module, real-time monitoring and automatic cleaning are carried out on the faults, cleanliness and the like of the photovoltaic module based on the natural law and the I-V characteristic curve of crystalline silicon, and safe, efficient, high-quality, intelligent, simple and convenient operation management of the photovoltaic power station is achieved.

The invention relates to an intelligent method for carrying out space-time prediction of the landslide catastrophe process. The invention is carried out via a computer, comprising the following steps of: 1) choosing a detained landslide to be predicted, confirming calculation parameters; 2) establishing a geometric model of the landslide intelligent prediction; 3) intelligently predicting the 3D stability of the landslide; 4) intelligently predicting the unstable state of the landslide; 5) intelligently predicting the activity intensity of the landslide as follows: computing the landslide deformation process in the unstable state, outputting deformation maps in real time until the end of the landslide. Compared with the prior art, the invention reduces the workload, improves the precision, simplifies the judging method of space-time predicting of the landslide catastrophe process with much convenience and reliability, and improves the maneuverability of the space-time predicting of the landslide catastrophe process. Therefore the invention is the simple, intuitionistic, economical and high-efficient space-time prediction of the landslide catastrophe process.

The invention provides a network address translation (NAT) type determination method and an NAT type determination device. The method comprises that: a simple traversal of user datagram protocol through network address translators (STUN) client simultaneously transmits a request packet of a first test item and the request packet of a second test item to a first port and a second port of a first STUN server respectively; the first STUN server and a second STUN server return corresponding response packets; and the STUN client judges the NAT type of a client according to the received response packets. By the NAT type determination method provided by the invention, dependence on the sequence of test packets is avoided, and NAT type detection time is shortened by parallel testing. Moreover, the NAT type determination method provided by the invention is simpler and more highly efficient.

The invention discloses a judgement and protection method for an open phase of a frequency-conversion air conditioner compressor, which comprises the following steps of: firstly, measuring a quiescent current value of a frequency converter, and setting a current threshold value of the open phase of the compressor according to the quiescent current value; secondly, reading a current value sampled at random during the operation of the frequency converter, and calculating current values I1, I2 and I3 of three phases of the compressor in a drive circuit mode utilized by the frequency converter according to the current value; and thirdly, comparing the current values I1, I2 and I3 calculated in the second step with the current threshold value; if any one of the I1, I2 and I3 is lower than the current threshold value, the open phase of the compressor is judged, and the output of the frequency converter is stopped to indicate the open phase fault of the compressor; and otherwise, returning to the second step. The method cannot increase the cost of the air conditioner, and can reduce the open phase operation fault of the air conditioner.

The invention discloses a system for monitoring gob stress in real time and an overlying strata breakage judgment method. According to the system, a hydraulic sleeper is buried in each stress measuring point and is connected with a pressure sensor; the pressure sensor is connected with a wireless sensing transmitting module; a gob stress signal is transmitted through the wireless sensing transmitting module; a wireless receiving module is arranged in a mining roadway, can simultaneously receive multi-path stress radio signals transmitted in a gob and is connected with an electro-optic conversion module; the electro-optic conversion module converts multi-path stress electric signals into optical signals and transmits the optical signals to the ground through an optical fiber; an optical fiber signal is converted into an electric signal through the electro-optic conversion module, and the electric signal is connected with a monitoring host; the gob stress data are controlled, stored and displayed on line in real time on the monitoring host through configuration control software; and after a gob stress value obtained through monitoring is compared with a theoretically calculated stress value, an overlying strata breakage position above the stress measuring points is judged.

The invention relates to a parking space state sensing and indicating device and a parking space state sensing and indicating method. The parking space sensing and indicating device comprises an infrared distance detecting module, a high-light LED indicating module, a communicating module and a control module, wherein the infrared distance detecting module is used for continuously detecting the distance between a mounting position of the parking space state sensing and indicating device and a parking space ground surface or the top portion of an object placed on a parking space according to a specific time interval; the high-light LED indicating module is used for indicating parking space state information, when the parking space is vacant, an LED flashes according to a certain time interval, and when the parking space is occupied, the LED extinguishes; the communicating module is used for sending parking space state information outside; the control module is used for judging whether a vehicle is parked on the parking space according to distance changes detected by the infrared distance detecting module and used for driving the high-light LED indicating module to indicate the parking space state information and driving the communicating module to send out the parking space state information. The parking space state detecting module and the parking space state indicating module are integrated in the parking space state sensing and indicating device, and therefore mounting efficiency is improved and system cost is lowered.

The invention relates to an ADS-B (automatic dependent surveillance - broadcast) autonomous anti-false object spoofing method. The ADS-B is based on a GNSS (global navigation satellite system), ground-air data links and other advanced techniques, and is a novel ground-air surveillance system which is being globally popularized by ICAO (international civil aviation organization). Because of the opening and sharing characteristics of working frequency, signal format and communication protocol of the ADS-B, the application of the system will be easily subject to artificial malicious spoofing and attack by wireless amateurs or illegal persons, a false target is formed, the management of ATC (air traffic control) areas is disordered, the normal aviation flight order is seriously disturbed, and the severe hidden hazards on safety are caused. The system comprises an ADS-B ground base station host, an anti-false target processing auxiliary machine, an BD / GPS (Beidou global positioning system) antenna, an ADS-B receiving antenna, an anti-false target direction measuring antenna, a PC (personal computer) (optional), an BD / GPS satellite, and an aircraft.

The invention relates to a control method for guaranteeing the safe operation of a wind turbine. The method comprises the following steps of: (1) generating pulse signals by a master control system in real time and sending the signals to a pulse detector; (2) detecting the pulse signals sent by the master control system by the pulse detector in real time, and executing a step (3) when a detection result of the pulse detector has an abnormality, or else circularly executing the step (1) and the step (2); (3) outputting contact signals to a safety system by the pulse detector; (4) disconnecting a safety chain after the safety system detects the contact signals and sending a control command to a variable pitch system; and (5) controlling the wind turbine to be shut down by the variable pitch system after receiving the control command. The method has reasonable design, judges whether the master control system has a failure or not through detecting the pulse signals of the master control system in real time and can control the wind turbine to be safely shut down in real time after the failure occurs, thereby effectively protecting the wind turbine equipment and guaranteeing the safety operation of the wind turbine.

The invention relates to a system and method for automatically detecting and processing a fault of a traffic signal lamp. The system comprises the traffic signal lamp, a current and voltage detecting module, a protection control module, a signal lamp drive control module, a signal lamp processor, a signal machine central processing unit and a traffic monitor center. When the signal lamp breaks down, a signal machine does not independently drive a yellow lamp to achieve yellow lamp flashing control by simply cutting off a signal lamp power supply any more, a degradation control instruction is sent to the signal lamp, short-time software is started for yellow lamp flashing control, meanwhile, the fault signal lamp is automatically detected to start a second-level protection control mode on the signal lamp, fault information is sent to the last level, and finally normal signal control over a whole intersection is achieved. The second-level protection control module for signal lamp control achieves the backup of the signal lamp control function, stability and reliability of signal lamp control are effectively improved, and the influence of long-time yellow lamp flashing control on traffic is avoided well.

The invention discloses a touch type liquid crystal display, a touch method, an array substrate and a manufacture method thereof, wherein the touch type liquid crystal display comprises a color film substrate, the array substrate and a liquid crystal molecule layer arranged between the color film substrate and the array substrate; a grid line and a data line are formed on the array substrate; and a pixel electrode and a first thin film transistor are formed in a pixel region limited by the grid line and the data line. The array substrate also comprises a second thin film transistor, a signal line, a voltage acquisition circuit and an external integrated circuit, wherein the second thin film transistor is connected with the first thin film transistor and used for acquiring data voltage and black frame voltage of the current pixel region at intervals; the signal line is connected with the second thin film transistor and used for outputting the data voltage and the black frame voltage, and the signal line is arranged parallel to the data line; the voltage acquisition circuit is connected with the signal line and used for acquiring the black frame voltage from the signal line; and the external integrated circuit is used for acquiring the black frame voltage from the voltage acquisition circuit and acquiring a touch position according to the change of the black frame voltage.

The invention provides a method and a device for preventing a vehicle from colliding with a road edge. The method comprises the following steps: S1, collecting distance signals for reflecting the distance between the vehicle and the road edge, wherein the distance signals are generated by at least two distance sensors arranged at the same side of the vehicle; acquiring vehicle speed signals generated by a vehicle speed sensor; S2, judging whether the vehicle has a tendency of colliding with the road edge or not according to the distance signals, if yes, executing the step 3; if not, returning to the step 1; S3, calculating estimated time that the vehicle collides with the road edge according to the vehicle speed signals; S4, judging whether the estimated time is greater than a threshold value or not, and if yes, giving an alarm; if not, performing aided driving intervention while the alarm is given. The method and the device provided by the invention aim to prevent the vehicle from colliding with the road edge when the vehicle runs on a left-most or right-most lane.

The invention relates to a method for judging the rice water amount of a heater. The method comprises the following step of: 1, timing from zero by using a first timer, timing a time interval delta t from zero by using a second timer, and entering a step 2, wherein n is equal to 1; 2, when the first timer reaches preset total working time t0, entering a step 6, otherwise, entering a step 3; 3, when delta t reaches a preset time interval delta tn, entering a step 4, otherwise, entering a step 5; 4, retiming from zero by using the second timer, adding n with 1, updating the delta tn and Tn, and entering the step 5; S, when a detected temperature Tb is higher than or equal to the corresponding judged temperature Tn which corresponds to the delta tn, stopping the heater from heating, timing heating stop time by using a third timer, entering the step 2; and when the detected temperature Tb is lower than the judged temperature Tn which corresponds to the delta tn, heating with the heater by using power P2, and entering the step 2; and 6, judging the rice water amount according to the length of the heating stop time accumulated by using the third timer.

The invention discloses a piezoelectric ultrasonic transducer with the acoustic feedback function. The piezoelectric ultrasonic transducer with the acoustic feedback function comprises pre-tightening-force screws, a middle pressing block, an emitting piezoelectric ceramic element and a front pressing block, wherein the middle pressing block and the front pressing block are arranged at the two ends of the emitting piezoelectric ceramic element, the other end of the middle pressing block is further provided with a detecting piezoelectric ceramic element with the structure totally consistent with that of the emitting piezoelectric ceramic element, the other end of the detecting piezoelectric ceramic element is further provided with a rear pressing block, and the front pressing block, the middle pressing block and the rear pressing block press the emitting piezoelectric ceramic element and the detecting piezoelectric ceramic element through the pre-tightening-force screws; the detecting piezoelectric ceramic element is connected with an ultrasonic power source detecting circuit through an electrode element. The detecting piezoelectric ceramic element is used for generating vibration with the frequency the same as that of vibration on the outlet of the ultrasonic transducer, the ultrasonic power source detecting circuit is used for detecting the vibration of the outlet of the ultrasonic transducer so that whether the ultrasonic transducer works at a resonant frequency with the maximum amplitude can be fast judged, the judgment method is simple, and operation is very easy.

The disclosure is an information transmission method and device, and equipment. The method comprises: receiving message information transmitted by a source terminal device, the message information comprising a data message and the identification of an object terminal device, and furthermore determining whether the identification of the object terminal device exists in a transmission list, wherein the transmission list comprises the identification of each terminal device accessed by current access point equipment; and sending the data message to the object terminal device if the identification of the object terminal device exists in the transmission list. In the information transmission method, when the identification of the object terminal device exists in the transmission list, a local transmission mode is directly employed to improve data transmission efficiency; in addition, the transmission list is pre-stored in the current access point equipment, allowing a method of determining whether directly transmitting the message information to the object terminal device to be simple and efficient, and thereby further guaranteeing data transmission efficiency.

The invention provides a stability judging method of a grid-connected photovoltaic power station. The method comprises a procedure of establishing a stability judging criterion which comprises the following steps: photovoltaic power system components formation and topology structure analysis, photovoltaic cell array P-U power output characteristic analysis and a mathematical expression thereof, DC-AC converter control mode principle analysis and a mathematical expression thereof, and obtainment of a control mode of the grid-connected photovoltaic power station in constant power and a stability criteria under an MPPT power control mode. Voltage and power data at an outlet of a photovoltaic array are measured, and combined with the obtained criteria in the above steps, the stability of the grid-connected photovoltaic power station is obtained. According to the method, only through the measured voltage and power data at the outlet of the photovoltaic array, the stability of the grid-connected photovoltaic power station can be fully judged. The method has the advantages of simpleness, convenient realization of stability measurement and convenient engineering application. A foundation is provided for a control scheme of the grid-connected photovoltaic power station.

The invention provides a driving system used for detecting and reminding driver distraction and a judgment method. The system comprises a processing unit connected with a data acquisition unit, wherein the data acquisition unit is used for acquiring the vehicle traveling state and the driving states of a driver and transmitting acquired data to the processing unit, and the processing unit judges whether the driver is in a distracted driving state or not according to received data information. Various states of the driver at different angles are acquired so that whether the driver is in the distracted state or not can be detected in the following procedure, and a reminder and an early warning can be given to the driver. The system is simple in structure and easy to achieve.

The invention discloses a method of simulating a multi-peak I-V curve of series photovoltaic modules. The method comprises the following steps: a, obtaining parameter information of each photovoltaic module in a photovoltaic string under the standard condition; b, figuring up to obtain parameters of each photovoltaic module in an actual environment; c, arranging the actual short circuit current of each photovoltaic module according to the magnitude; d, summing actual open circuit voltage of each module so as to obtain the open circuit voltage of the photovoltaic string; e, simulating each photovoltaic module in sequence so as to obtain an I-V characteristic curve and a simulation length of each module in the photovoltaic string, thereby figuring up to obtain a total simulation length of the photovoltaic string; f, carrying out data completion on the actual short circuit current of each photovoltaic module by adopting a simulation step size unification method; g, selecting a maximum current value, which corresponds to each voltage point, as photovoltaic string output current of the point so as to obtain the multi-peak I-V curve when the photovoltaic string is shielded by a shade. The method does not adopt an iteration method, and the calculated amount of simulation is small; furthermore, judgment of the current magnitude is simplified through the simulation step size unification method.

The embodiment of the invention discloses a user request detection method and device, a computer device and a storage medium, and the method comprises the following steps of obtaining a user request sent by a terminal, the user request comprising terminal equipment data; inputting the equipment data into a plurality of anomaly detection models to obtain a plurality of detection results for judgingwhether the user request is abnormal or not, the anomaly detection models being detection models which are trained to a convergence state by adopting a sample feature set in advance and are used forcarrying out security classification on the terminal through the feature set; and judging the detection result by adopting a preset judgment method so as to determine whether the user request is abnormal or not. The method is simple in judgment method, can identify the diversified abnormal scenes, and can cover more and more complex conditions along with increase of the sample size. In addition, adetection result can be obtained more comprehensively, and the accuracy of anomaly detection is improved.

The invention relates to a plant genomes deoxyribonucleic acid (DNA) quick extraction device and a testing method thereof. The plant genomes DNA quick extraction device is composed of a plurality of injectors with sponges on the bottoms, extraction pillars, and a plurality of centrifugal tubes, wherein the upper end portion of each of the extraction pillars can be connected with an injection port of each of the injectors in a sealing mode, the lower end portion of each of the extraction pillars can be connected with each of the centrifugal tubes, a loading seal cover is connected on the end portion of each of the extraction pillars, the loading seal cover is loaded with a silica film and is embedded in the inner side of the lower end portion of each of the extraction pillars in a clamping mode, and a through hole is formed in the center of the loading seal cover. According to the plant genomes DNA quick extraction device and the testing method thereof, compared with the prior art, large instruments of a centrifugal machine and the like are replaced by an air pressure method, the silica film is used for combining nucleic acid molecules, the plant genomes DNA quick extraction device is simple and effective, an extraction process is simple and convenient without any dependency of valuable instruments, testing time is short, the testing method is high in sensitivity, and the problem of quick testing of transgenetic products on site is resolved.

The invention relates to the method for processing the multi-media signal. The method uses the principle of the pseudo color format image displaying, the service condition of the colors in the image as well as the redundancy existed in the colors. With a lot of information being embedded in the image, meanwhile it is ensured that any distortion will not appear in the image with the information being embedded. The invention is suitable to the application occasion in medicine and military affairs that requires the image with the information being hided without any distortion appearing.

The invention provides an automatic monitoring and attracting device for termites. The automatic monitoring and attracting device comprises an outer layer and an inner layer, wherein the inner layer can be pulled out from the outer layer, the surface walls of the outer layer and the inner layer are respectively provided with holes and gaps for the termites to enter, the outer layer is provided with an openable outer cover, the inner layer is provided with an inner cover, a through hole passes through the outer cover and the inner cover to directly reach the inner layer, one end of an axes strip is near the through hole or enters the through hole, the other end of the axes strip directly or indirectly maintains the fixation state with one end of an attracting strip, one end of a spring in the deformation state is fixed with the inner cover, the other end of the spring is directly or indirectly fixed with the axes strip, when the attracting strip fractures, the elasticity of the spring is received, the axes strip penetrates out from the through hole. The invention provides the automatic monitoring and attracting device for the termites, so whether the termites exist in the region or not can be more conveniently judged, and simultaneously, the attracting strip can be more conveniently replaced into a medicine strip.

The invention discloses a railway center line measuring and setting method based on a reference ellipsoidal surface. The railway center line measuring and setting method comprises the following steps:S1, determining starting point information, end point information and intersection point information of a railway line; S2, calculating curve comprehensive elements by utilizing a geometric analysismethod; S3, calculating mileage of each main point of the curve according to the comprehensive elements of the curve; S4, comparing the mileage of each measuring point with the numerical value of themileage of each main point of the curve, and determining a line segment to which each measuring point belongs; S5, calculating ellipsoid coordinates of each measuring point; and S6, according to the ellipsoid coordinates of all the measuring points, conducting railway center line measuring and setting. By adopting the technical scheme provided by the invention, the longitude and latitude of each point of the railway midline on the reference ellipsoid can be directly used for measurement and setting, so that the measurement and calculation result has no projection deformation or the deformationis minimized. And results on various projection planes can be obtained by referring to data obtained by calculation on the ellipsoidal surface according to various projection rules, so that the calculation data has reusability and universality.

The invention provides a reset displaying device, a reset displaying method and cooking heating equipment. The reset displaying device comprises a control module and a display module, wherein the control module is connected to the display module, and is used for sending display state information to the display module according to a preset time interval and receiving state feedback information sent by the display module, the display module is used for displaying the display state information sent by the control module, collecting state feedback information and sending the collected state feedback information to the control module, the control module is also used for judging whether the display module normally works or not according to the receiving state of the state feedback information, and when the judgment result is no, sending a reset signal with the current display state information to the display module so as to enable the display module to be reset according to the reset signal and to be started, and displaying according to the current display state information at the same time. When the display module of the cooking heating equipment has a fault, the reset time of the display module is shortened, and information needed to be currently displayed is fast recovered, so that the use experience of a user is effectively improved.

The invention discloses a management method for tool delivery and storage. A tool is provided with a radio frequency tag; a path for the tool to enter and leave a warehouse is independently provided with a warehouse-in detection area and a warehouse-out detection area; through a radio frequency reader-writer, the information data of the tool which passes through a detection area is collected and sent to a data processor; after the data processor receives the information data, the state data of the corresponding tool is extracted, and the collected information data of the tool and the state data are compared: when the collected information data of the detection area in the warehouse is compared, if the state of the tool is delivery, the state of the tool is updated to in stock and is stored, and if the state of the tool is in stock, the state data of the tool is not changed; and when the collected information data of the detection area out of the warehouse is compared, if the state of the tool is in stock, the state of the tool is updated to delivery and is stored, and if the state of the tool is delivery, and the state data of the tool is not changed. By use of the management method, the inventory state of the tool can be simply and accurately identified.

Provided is a method for judging magnetic pole polarity of a motor rotor. Pulsating high frequency voltage signals are injected into a direct axis, high frequency current response values of the directaxis and a quadrature axis are obtained; according to the response currents of the direct axis and quadrature axis, a first direct axis high frequency current corresponding to a phase shown in the description and a second direct axis high frequency current corresponding to a phase shown in the description are calculated; the magnetic pole polarity of the motor rotor is judged by comparing absolute values of the first direct axis high frequency current and second direct axis high frequency current. According to the method, only the pulsating high frequency voltage signals are injected into thedirect axis, an initial estimated value of the rotor position is obtained through calculation, and it is judged whether the initial estimated value is revised or not. The method is compared with theprior art, multiple injection voltages are not needed to acquire the corresponding parameters, the calculation method is simple, and the magnetic pole polarity of the motor rotor can be quickly and accurately obtained.

The invention discloses a method for implementing traversing of stream control transmission protocol message to network address translation equipment. The method comprises the following steps of: A, increasing a UDP (user datagram protocol) encapsulation / de-encapsulation layer at a terminal; B, encapsulating the message by the UDP encapsulation / de-encapsulation layer, and forwarding the message when the message has a UDP message header; C, forwarding the SCTP message with the UDP message header according to the UDP message by the NAT equipment (network address translation equipment); and D, judging whether the reaching message is the encapsulated SCTP message by the terminal, if the reaching message is not the encapsulated SCTP message, directly receiving the message according to a UDP message processing method; and if the reaching message is the encapsulated SCTP message, de-encapsulating the message, and then receiving the message according to an SCTP message processing method. The method can realize the traversing of the SCTP message to the NAT without modifying or upgrading the conventional NAT equipment so that the SCTP is developed and applied in the conventional IPv4 network system.

The invention belongs to the special tool machining detection design technology field and discloses a special device for detecting a VL-type universal joint inner star wheel raceway pitch diameter. The device comprises a foundation part, a fixed steel ball part, a movable steel ball part and a pitch diameter proofing block used for setting a reading reference of an indicating gauge, wherein the three parts are arranged in a 180 DEG mode, a fixed steel ball of the fixed steel ball part is in matching with a raceway of an inner star wheel, a movable ball seat of the movable steel ball part is internally provided with a movable shaft, a front end of the moveable shaft is provided with a movable steel ball, the movable steel ball is matched in the corresponding raceway of the inner star wheel in an optimal matching state by the movable shaft through utilizing a compression spring, and the indicating gauge contacting with the movable shaft displays a measurement value. The invention further discloses a pitch diameter detection principle and a pitch diameter detection method. According to the device and the method, a three-coordinate instrument in a lab is innovatively changed into a special detection tool for a production filed, the measurement and determination method is simple, the detection speed is fast, and skill requirements for detectors are low.

The invention relates to a method for transformer excitation surge current latching. Compared with the conventional latching method, the second harmonic single-phase latching principle is adopted, the method solves the problem that the latching time is too long when the regional external fault of an air-drop fault transformer is converted into a regional internal fault of heterogeneous phase in the conventional latching scheme and the problem that the fault cannot be quickly cut off, the speed of protection action is greatly improved, and safe operation of the transformer is ensured; meanwhile, under the condition that the protection is in normal surge current, latching protection can be reliably performed, and error operation of current differential protection is prevented; and the implementation of the method does not raise higher requirement for the conventional protective platform, the implementation threshold is low, and the method is convenient for popularization and use.

The invention provides a random texture anti-counterfeiting mark, which comprises a carrier and a plurality of texture particles randomly distributed on a bearing surface. A non-contact surface of each texture particle comprises at least two visual color parts. Each visual color part presents respective visual color, so that at least one inclination angle exists, overall visual color formed by observing the plurality of texture particles at the inclination angle and overall visual color formed by observing the plurality of texture particles in the vertical direction vertical to the bearing surface have human-eye-recognizable visual color difference; and specific identification characteristics of the texture particles in the random texture anti-counterfeiting mark can be identified under the condition of not using an auxiliary tool, so that public participation is improved greatly. The invention also provides an anti-counterfeiting system adopting the random texture anti-counterfeiting mark, the texture particles for the anti-counterfeiting mark and a use method for the anti-counterfeiting mark; and same beneficial technical effects are obtained.

The invention relates to a storage battery detection apparatus and a detection method thereof based on a BUCK charger. The voltage value Uout of an output terminal of the BUCK charger is acquired in real time via a voltage acquisition module, and the output terminal of the BUCK charger is connected to a storage battery; the voltage value Uout of the output terminal of the BUCK charger and a storage battery low-voltage threshold Ulow are compared, and the storage battery is not connected to the BUCK charger if Uout<=Ulow; N output voltage values Uout of the BUCK charger acquired in real time are stored via a determination module, and the maximum Umax and the minimum Umin of the voltage values Uout of the output terminal of the BUCK charger are obtained; whether the difference between the maximum Umax and the minimum Umin of the voltage values of the output terminal of the BUCK charger is more than or equal to Uset is determined via the determination module, wherein Uset is a preset work voltage, and the storage battery is not connected to the BUCK charger if Umax-Umin>=Uset. The beneficial effects of the detection apparatus and the detection method thereof are that whether the connection of the storage battery is abnormal can be determined on-line, the determination method is simple, and real-time determination can be realized.