119results about How to "Avoid missing test" patented technology

The invention belongs to the field of optical precision measurement and relates to a method and a device for measuring the appearance and the wall thickness of a sphere by combining a differential confocal confocal technology and point-diffraction interference. The method realizes the high-precision rapid measurement on the appearance of the outer surface of the sphere by using the point-diffraction interference, the rotation of the measured sphere and the splice of a measuring sub-aperture; and the appearance and wall thickness of the inner surface and the outer surface of a key area of a transparent or semitransparent sphere can be scanned and measured point by point by using the differentia confocal technology. The invention organically integrates a point-diffraction interference technology and the differentia confocal technology so as to realize the synchronous measurement on the appearance and the wall thickness of the inner surface and the outer surface of the sphere, and aims to solve the difficult problems that the traditional AFM or a single confocal sensor and the other scanning methods have low measuring speed, low efficiency, easy leakage in measurement and the like during measuring the surface of the sphere. The invention has broad application prospect in the fields of testing the appearance and the wall thickness of a laser fusion pellet, the appearance and the outline of a spherical surface and the like.

The invention discloses an intelligent tool capable of being flexibly expanded and dynamically configured. The intelligent tool comprises a hardware module and a software module. The hardware module comprises a control mainboard, to-be-tested equipment, a plurality of testing circuit units, an interface resource set formed by multiple interfaces and a plurality of adapter plates. The software module comprises embedded software and a script configuration file. A testing process includes the steps of firstly, preparing a hardware environment; secondly, preparing the software, to be more specific, forming the script configuration file according to the testing cases and testing flow of the design testing content of the to-be-tested equipment; thirdly, operating the embedded software after the control mainboard is started, importing the script configuration file, allowing the embedded software to analyze the script configuration file, and executing corresponding operations according to the analyzed testing flow so as to test the to-be-tested equipment.

The invention discloses a time-space condition information based moving object detection method. The method comprises the following steps: building a target detection time-space domain model through considering the significance of human visual time-space domains; calculating a conditional probability that a detection image belongs to a time-space domain reference background; carrying out nonlinear transformation on the conditional probability through negative logarithm checking so as to extract time-space conditional information; carrying out weighted summation on the conditional information of image in an adjacent domain through considering the local consistency of image characteristics; and as characteristics, carrying out object detection by using a linear classifier. The conditional probability is rapidly calculated by using a color histogram, and an image block replacing a single pixel is adopted for carrying out modeling and detection, thereby reducing the algorithm complexity and the storage space requirements; and through combining with an image block difference pre-detection mechanism, the object detection speed is increased. The method disclosed by the invention is low in algorithm complexity, less in storage space requirements and high in algorithm instantaneity, and can effectively suppress the background disturbance interference and isolate the noise influence; and by using the method, the real-time detection of moving objects on the existing computers is realized, therefore, the method is applicable to embedded intelligent camera platforms.

A traffic accident site rapid mapping system based on image guiding comprises a homography matrix solution module, a space coordinate transformation module, a re-sampling module, a mapping and marking module and a file preserving and printing module. The homography matrix solution module builds a mapping relationship between a traffic accident site picture image plane and an actual road plane according to the two-dimensional direct linear transformation method, the space coordinate transformation module restores the position information of a traffic site picture in object space according to the homography matrix and scales the range of the traffic accident site to the size range of the original traffic accident site picture, the re-sampling module restores gray information of the traffic accident site picture in object space and achieves transformation from a perspective picture to an orthographic projection picture of the traffic accident site picture, the mapping and marking module achieves direct mapping and relevant size marking of the traffic accident site information on the orthographic projection picture, and the file preserving and printing module achieves functions of preservation and site printout of the traffic accident site picture. By means of the traffic accident site rapid mapping system, the accuracy of traffic accident site survey is improved, the on-site data processing and mapping time is saved, and the requirement of site picture printout on the traffic accident site is further satisfied.

The invention discloses a testing tool, system and method of electrical equipment. The testing tool comprises a communication circuit, a main chip and a control key circuit, wherein the communication circuit is used for being connected with an upper computer and receiving a testing instruction issued by the upper computer; the main chip is used for generating a control instruction according to the testing instruction; the control key circuit is used for controlling a key circuit to be connected or disconnected according to the control instruction so as to control the electrical equipment to operate. A control terminal of the electrical equipment is provided with mechanical keys and comprises the key circuit. By means of the testing tool, system and method of the electrical equipment, the mechanical keys on the control terminal can be controlled by the utilization of the testing instruction of the upper computer, then the electrical equipment is controlled to operate and testing on the electrical equipment is completed; testing coverage is ensured, repeated testing and testing leakage are avoided, automated testing is achieved, testing cycle is shortened, and the testing efficiency of the electrical equipment is improved.

The invention relates to an automatic low resistance test device and belongs to the resistance testing technical field. The automatic low resistance test device is especially suitable for initiating explosive device resistance tests. The automatic low resistance test device includes a main control unit 1, a constant current source module 2, a test channel switching circuit 3, a signal conditioning circuit 4, an analog-to-digital conversion circuit 5 and the like; the main control unit 1 successively outputs chip selection codes of a positive test channel and a negative test channel according to corresponding test items so as to control the test channel switching circuit 3 to perform switching, so that the output current of the constant current source module 2 can pass through a gated initiating explosive device loop; the signal conditioning circuit 4 performs filtering and differential amplification on port voltage of the gated loop; the analog-to-digital conversion circuit 5 acquires related voltage signals and transmits the voltage signals to the main control unit 1 for calculation, so that the resistance values of a tested item under test current of different directions can be obtained, and the test result of the tested item can be obtained through averaging; and the main control unit 1 repeats the above steps according to a preset test sequence so that test on the other test items can be completed; and therefore, automatic, rapid and comprehensive test on the resistance of an initiating explosive device can be realized.

The invention provides a point-of-sale (POS) machine automatic testing device which is used for testing a POS machine in an auxiliary mode. The POS machine automatic testing device mainly comprises a fixing frame, a conveyor belt and three conveying wheels. The fixing frame comprises a plurality of fixing links and a guide rail which is connected with two adjacent fixing links of the plurality of fixing links. The guide rail is movably provided with a slide block which can move along the guide rail, and the slide block is provided with a fixing clamp which is used for fixing cards. The outer peripheries of the three conveying wheels are respectively sleeved on the conveyor belt, and a controller is used for controlling the conveying wheels to move so as to drive the conveyor belt to move. The conveying wheels located on two sides are respectively arranged on the fixing links in a supporting mode, and the conveying wheel in the middle and the slide block are fixedly arranged so that the conveying wheel can drive the slide block to move when moving. By means of the POS machine automatic testing device, the problems of accurately setting swiping card testing speed and automatically recording test numbers are solved, missing tests can be effectively avoided, and testing efficiency is improved.

The invention provides a multi-channel pulse amplitude analyzer. The analyzer comprises a radiation detector which is used for measuring nuclear radiation energy and outputting a voltage pulse signal, a filter shaping module which is used for filtering the voltage pulse signal output by the radiation detector, an amplification module which is used for amplifying the voltage pulse signal filtered by the filter shaping module, an A/D conversion module which is used for sampling the amplified voltage pulse signal and converting the signal into a digital signal, an FPGA data processing module which carries out filtering, data peak searching, multi-channel counting and multi-channel storing on the digital signal output by the A/D conversion module and uploads the counting information of each channel to a user terminal, and a control module which controls the A/D conversion module and the amplification module. According to the multi-channel pulse amplitude analyzer provided by the invention, the production cost can be reduced by simplifying the circuit; the collected voltage pulse signal is digitized; the measurement accuracy of the analyzer is improved; and pulse data are prevented from missed detection.

A function test method enables to measure differential serial circuit single end fault characterizing in containing the following steps: a switching in signals via interface circuit separately b. to measure, judge related single end output signals of tested differential circuit separately, if signals of boths dies are normal, the differential circuit function is normal, or not so. In testing, this invention only measures one end of a pair of differential signals then to judge separately the tested two ends signals to decide if the tested circuit normal or not, so as to avoid lost test.

The invention relates to a test method for a transport protocol between an intelligent household electrical appliance and a mobile terminal and a test device thereof. The method comprises the following steps that the transport protocol required to be tested is imported to an upper computer; instruction division is performed on the transport protocol so that multiple protocol test instructions are obtained; the protocol test instructions required to be tested are transmitted to the intelligent household electrical appliance; and test result data returned by the intelligent household electrical appliance are received. The transport protocol required to be tested is obtained through the importing mode. The divided protocol test instructions of the imported transport protocol are transmitted to the intelligent household electrical appliance in testing. When the transport protocol is tested, the bytes required to be tested do not need to be manually compiled by test personnel so that the problem of high error rate of manual compiling of the test protocol can be avoided.

The invention discloses a system and method for testing set top box front panels. The test system comprises a camera, an automatic test workstation and a database; the database prestores configuration parameters; the set top box comprises a display module and a processor; the automatic test workstation comprises an extracting module and a control module; the display module is controlled by the processor to display strings of nixie tubes and status of indication lamps; the extracting module is used for extracting the configuration parameters; the control module is used for controlling the camera acquiring images of the nixie tubes and the indication lamps; the camera sends the acquired images to the automatic test workstation; the automatic test workstation also comprises a recognition module and a test module; the recognition module is used for recognizing the strings of the nixie tubes and colors of the indication lamps; the test module is used for testing the nixie tubes and the indication lamps. By mean of the system and method, the nixie tubes and indication lamps of set top box front panels can be automatically tested so that problems such as missing measurement in manual observation is avoided.

The invention discloses an airborne detecting device for laser remote sensing of gas leakage. The airborne detecting device comprises an infrared laser transmitting part, an infrared laser receiving part and a controlling and processing part electrically connected with the infrared laser transmitting part and the infrared laser receiving part; particularly, the airborne detecting device is located on an aircraft and also comprises a spiral detecting track part composed of a rotating reflecting mirror (13) arranged on a shaft of a motor (14), wherein the included angle formed by a normal of the rotating reflecting mirror (13) and an axis of the motor (14) is 1-6 DEG, and an angle formed by the normal of the rotating reflecting mirror (13) and an optical axis (12) of the infrared laser transmitting part is 40-50 DEG; and the controlling and processing part comprises a transmitting signal control assembly and a receiving signal processing assembly which are electrically connected, wherein the transmitting signal control assembly is used for realizing modulation for the output of a laser device (5) in the infrared laser transmitting part, and the receiving signal processing assembly is used for calculating the concentration of leaked gases according to the detected signals carrying leakage gas information. The airborne detecting device can be widely applied to precise location and large-area rapid detection for natural gas leakage.

The application relates to a method, device and electronic equipment for detecting memory leakage. The method comprises the steps that an identifier of a to-be-detected user interface is acquired; a request used to simulate opening and closing of the user interface by a player is sent cyclically to a client side of detected software according to the identifier, so that the client side can open and close the user interface; memory snapshots generated when the client side opens and closes the user interface each time are acquired; and according to differences in memory quantities of the memory snapshots, whether the memory leakage exists on the user interface is assessed. According to the technical scheme of the application, whether the memory leakage problem exists on the user interface in the software can be rapidly detected.

The invention provides a detecting device for a servo motor stator. The detecting device for the servo motor stator comprises a first feeler pin assembly, a stator platform assembly and a detecting control unit. A platform used for placing a stator to be detected is arranged on the stator platform assembly, the first feeler pin assembly comprises a first support and a plurality of first feeler pin groups installed on the first support, A first end of each feeler pin group is respectively used for being connected with one group of winding posts in the stator to be detected, and a second end of each feeler pin group is connected with the detecting control unit. The detecting control unit is used for sequentially detecting a resistance value between each two first feeler pins of each first feeler pin group, and discontinuing detecting when the detected value exceeds a preset value. The invention further provides a corresponding detecting technology. Due to the facts that the plurality of first feeler pin groups connected with the multiple groups of winding posts of the stator to be detector are respectively detected in sequence and according to the preset value, the detection is automatically judged whether to be normal or not, the internal resistance detection of the servo motor stator is achieved efficiently and accurately.

The invention belongs to the technical field of partial discharge live detection equipment and especially relates to an IoT identity based GIS partial discharge live detection and data management platform. The platform includes an IoT identity, a handheld partial discharge detector, a data analysis system, a mobile intelligent detection APP and a GIS equipment partial discharge detection management cloud platform. The IoT identity includes an RFID tag and a two-dimensional code tag. The RFID tag is mounted on a GIS general control cabinet. The two-dimensional code tag is mounted on a GIS equipment housing. The handheld partial discharge detector is connected with a PC. The data analysis system is connected with the handheld partial discharge detector. The data analysis system is connected with a GIS device partial discharge detection management cloud platform. According to the invention, related information of corresponding devices can be acquired before detection and manual recording is saved, missing detection is avoided. Field detection efficiency and detection report generating efficiency are improved substantially and basis is provided for field decision making.

The invention provides a system and a method for testing the compatibility of an operating system of a USB wireless network card, and belongs to the field of wireless network card testing. The test system comprises a plurality of PC clients provided with different operation systems and switches provided with ports with the number larger than that of the PC clients, and the number of wireless network cards to be tested is the same as that of the PC clients. Wherein the plurality of clients are respectively arranged on different PC clients. The system also comprises a wireless router, the wireless router and the PC client are respectively in wired connection with an interface of the switch, the PC client is provided with a test program, one PC client is a server and a client at the same time, the other PC clients are clients, and the server can communicate with the client. The beneficial effects of the invention are that the test efficiency and the test result accuracy are greatly improved.

The invention discloses a surveying and mapping collaborative operation method, which belongs to the technical field of surveying and mapping. The surveying and mapping collaborative operation methodcomprises the following steps that: a server side receives item information and generates an item; the server side utilizes a grid line to segment a whole surveying and mapping region and carries outstatistics the amount of grids contained in each surveying and mapping region; the server side receives an item starting instruction sent from an administrator; a surveying and mapping terminal obtains the item information, and enables surveying and mapping task information to be related to an operation space; the surveying and mapping terminal uploads surveying and mapping data in the operation space to the server side; after the server side receives the surveying and mapping data, the surveying and mapping task information is updated; and the server side carries out statistics on the amountof grids which finish surveying and mapping by each surveying and mapping person in real time, and sorts each surveying and mapping person. By use of the surveying and mapping collaborative operationmethod, the real-time sharing of multi-member collaborative surveying and mapping and each group of surveying and mapping data is realized, the situations of surveying missing, repeated surveying andwrong surveying are effectively avoided, an item progress and a surveying and mapping operation are completely controllable, and surveying and mapping efficiency is greatly improved.

The invention relates to a detection system and a detection method for alternating-current loops of a wind generation set. The detection method comprises the following steps: a main control system is electrified by controlling a contactor; a controller is used for disconnecting or connecting corresponding micro circuit breakers and contactors of many alternating-current loops of a control system of the wind generation set so as to control the existence of various phase voltage of the corresponding alternating-current loops of the control system of the wind generation set; and whether the voltage of the corresponding loops of the control system of the wind generation set exists or does not exist, whether phase sequences are correct and whether the action condition of a contact is the same as control expectation can be detected by a test system through an optical isolator and the controller, therefore, whether hardware loops, devices and connection wires of the main control system are virtually connected can be detected. The detection system and the detection method disclosed by the invention are capable of automatic judging by adopting the controller and preventing from detecting the certain loops in a missing manner because of artificial faults caused by many loops and high workload; furthermore, the test efficiency and the safety are greatly increased; in addition, because the number of the output alternating-current loops of the main control system of the wind generation set is nearly 100, artificial testing is time-wasting, error detection and missed detection are easily caused, and potential safety hazards also exist.

The invention relates to an automatic test system and a test method for realizing the hot plug function of SIM cards, which are used in the automatic test process of intelligent mobile terminals. The method comprises a basic function debugging phase (S1), an automatic test phase by research and development personnel (S2), and a factory whole-machine test phase (S3). In the basic function debugging phase, an SIM card empty slot test module tests whether an SIM card slot is empty, and if there is abnormality, the SIM card slot is maintained, and the method returns to S1. In the automatic test phase by research and development personnel, a hot plug test module tests the hot plug function of an SIM card inserted into the slot, and if there is abnormality, the SIM card slot is maintained, and the method returns to S2. In the factory whole-machine test phase, the hot plug test module tests the hot plug function of an SIM card inserted into the slot, and if there is abnormality, an intelligent mobile terminal is disassembled, the SIM card slot is maintained, and the method returns to S3. The method ensures that intelligent mobile terminals will be intercepted in the research and development and debugging phase to find out abnormal slots without SIM cards and the abnormality in hot plug function of SIM cards, and SIM card slots can be maintained in time. Therefore, the test efficiency and production efficiency of factories are improved.

The invention discloses an online monitoring device for a temperature field of an indirect air cooling system. The device comprises a plurality of temperature measuring cables,a plurality of temperature measuring sensors,a collecting device and a monitoring host,wherein the temperature measuring cables are arranged on the parts,located on the outer surfaces of pipe bundles of heat dissipating devices of cooling triangles,of the windward faces of the cooling triangles of the indirect air cooling system,one temperature measuring cable is arranged on one windward face of a single cooling triangle,and the temperature measuring cables on two windward faces of a single cooling triangle are arranged on the same horizontal plane,the temperature sensors are correspondingly arranged on a plurality of temperature measuring points of the temperature measuring cables at certain intervals,the collecting device is connected with the temperature measuring cables,and the monitoring host is connected with the collecting device. The invention further discloses an online monitoring method for the temperature field of the indirect air cooling system. The method and the device have the advantages that digital intelligent temperature sensors are used,a bus technology is adopted,an integrated online monitoring device of a temperature field containing multiple temperature measuring points is constructed,the arrangement of multiple points and multiple rows is adopted,and multi-point large-area temperature monitoring is achieved to facilitate the anti-freezing operation of the indirect air cooling system.

The invention discloses a tunnel construction automatic monitoring system. The tunnel construction automatic monitoring system comprises several local information acquisition units, a mobile monitoring unit and a remote control center; all the local information acquisition units are spaced in the transverse extending direction of a tunnel and comprise main information acquisition units, backup information acquisition units, first microprocessor chips and first wireless transmission modules; the main information acquisition units, the backup information acquisition units and the first wirelesstransmission modules are all connected with the first microprocessor chips; the mobile monitoring unit is in communication with all the local information acquisition units separately, obtains monitoring data information and monitoring point position information which are sent by the first microprocessor chips of the corresponding local information acquisition units, compares the monitoring data information with the monitoring point position information and sends alarm and/or repair information to the remote control center according to the comparison result. Thus when a certain part in the monitoring system goes wrong, the system can still be utilized, therefore, monitoring is prevented from being missed, the monitoring precision is very high, and the life safety of workers is greatly improved.

The invention provides a substance detecting method, a device thereof, a storage medium and electronic equipment, wherein the method, the device, the storage medium and the electronic equipment relateto a substance detecting field. The method comprises the steps of when Raman detecting equipment starts to transmit laser to a to-be-detected substance and the Raman detecting equipment moves according to a preset route, starting timing; when a fact that the time reaches a preset time interval, recording current sensor data of a spectrograph sensor, and resetting the spectrograph sensor and performing timing continuously; determining whether a preset data condition is satisfied according to n current recorded sensor data; if yes, performing substance identification according to the n sensor data; outputting a substance identification result; and when the fact that the time reaches the preset time interval is detected, recording the current sensor data of the spectrograph sensor and outputting a substance identification result. The substance detecting method, the device thereof, the storage medium and the electronic equipment can improve accuracy and output efficiency in substance detection.