31results about How to "Good detection function" patented technology

A modular jack (100) includes an insulative housing (1) defining a receiving cavity (151) for receiving a complementary connector, a contact module (2), a detective switch (3) and an outer metal shield (4) enclosing the housing. The detective switch includes an immovable switch (31) and a movable switch (32) abutting against the immovable switch. The immovable and movable switches respectively include an engaging portion (311, 3212) and a soldering portion (313, 323) for electrically connecting with a printed circuit board. The movable switch further includes a projecting portion (3211) for engaging with the complementary connector.

An electrical connector (100) for electrically connecting with a mating connector, includes an insulative housing (1) defining a cavity (16), a number of contacts (2) extending into the cavity, and a detective switch (3) accommodated in the housing (1). The detective switch includes a stationary switch (31) and a movable switch (32). The stationary switch and the movable switch respectively include a first and a second engaging portion (313, 323) for connecting / disconnecting with each other. The movable switch (32) includes a spoon-shaped projecting portion (324) positioned in a free end of the second engaging portion (323) and extending into the cavity (16) for engaging with the mating connector.

The disclosure relates to systems and methods for controlling a wireless power transfer system based upon Inductive Charging Technology using frequency based signaling communication protocol, operable to function in modes of Standby, Digital Ping, Identification, Power Transfer and End of Charge (EOC). The power transfer system comprising at least one wireless power outlet associated with a wireless power transmitter coil and at least one electrical device associated with a wireless power receiver coil, where the wireless power receiver coil is in multi-directional communication with the wireless power transmission of a message transmitter coil. The amount of power transferred is controlled by feedback communication between the receiver and the transmitter configured to increase or NO decrease power. More specifically, the present disclosure supports wireless power transfer incorporating transmission opportunity extended signaling supporting uni-directional and bi-directional communication enabling data transfer over extended range, higher power levels of power transfer and improved foreign object detection functionality.

The invention discloses a protein-coated fluorescent gold nanocluster as well as a preparation method and application thereof. The fluorescent gold nanocluster is an aprotinin-coated gold nanocluster,which is composed of aprotinin molecular and Au22 or Au21 or Au16. Compared with the prior art, the fluorescent gold nanocluster has fluorescence, the activity of the aprotinin is not influenced, sothat the fluorescent gold nanocluster can be applied to fields of metal ion detection, biological imaging and protease detection.

A modular jack (100) includes an insulative housing (1) defining a receiving cavity (151) for receiving a complementary connector, a contact module (2), a detective switch (3) and an outer metal shield (4) enclosing the housing. The detective switch includes an immovable switch (31) and a movable switch (32) abutting against the immovable switch. The immovable and movable switches respectively include an engaging portion (311, 3212) and a soldering portion (313, 323) for electrically connecting with a printed circuit board. The movable switch further includes a projecting portion (3211) for engaging with the complementary connector.

The invention discloses a dimension detection device for a fastener. The device comprises a workbench. A first sliding way is formed in the middle of the upper end surface of the workbench. First motors are fixedly arranged in the middles of the left end and the right end of the workbench correspondingly. First threaded shafts are mounted on the two sets of first motors correspondingly. And the outer side faces of the two sets of first threaded shafts are sleeved with first moving blocks correspondingly, first clamping blocks are fixedly installed at the upper ends of the two sets of first moving blocks correspondingly, a fixing block is fixedly arranged in the middle of the interior of the first sliding way, and second sliding ways are formed in the positions, close to the two sides of the first sliding way, of the upper end surface of the workbench. The size detection device has a good tight clamping function, prevents the fastener from moving in the size detection process, has goodstability, has a good adjustment function, is convenient for workers to operate and use, realizes accurate measurement of sizes of different fasteners, has a convenient detection function, and is highin applicability.

The invention discloses a detecting method based on digital audio waveform sudden changes, which is a statistical judging method disclosed according to the characteristic of a ridge of a speech spectrum caused by audio waveform sudden changes, and belongs to the multimedia information safety field. For waveform sudden change detection due to copying-pasting operation of a digital audio, ridge span changes before and after audio joint points in a speech spectrum log domain are analyzed, and a ridge factor is constructed to describe ridge bandwidth of a one-frame audio log speech spectrum to represent short-time energy change characteristics, and a difference operator is utilized for distinguishing sudden noises of audio, and ridge factor identification is caused by audio waveform sudden changes. The method comprises the following steps of carrying out short-time Fourier transformation and logarithmic transformation on an audio signal to obtain an audio spectrum of the log domain; calculating the ridge factor of each frame in the speech spectrum; and detecting and judging the difference transformation result for the ridge factor. The detecting method disclosed by the invention can identify audio waveform sudden changes effectively, and provides an effective method for detecting a digital audio editing operation boundary.

The invention discloses a driver distraction detection method. Converting each frame of driver image into a grayscale image; the method comprises the following steps: firstly, extracting gray scale images corresponding to training samples, performing normalization processing and preprocessing in sequence, inputting one of the training samples into an initialized convolutional neural network, performing batch regularization processing on HOG features extracted from the gray scale images corresponding to the training samples, and then performing full connection layer connection to obtain HOG feature vectors; and finally, carrying out global mean pooling on an output result of each convolution layer to obtain a total feature vector composed of the feature vector and the HOG feature vector, and carrying out full connection layer and Softmax classification in the convolutional neural network in sequence to obtain a global mean pooling result of each convolution layer. Obtaining the actual action category of the driver so as to update the parameters in the convolutional neural network; and updating the convolutional neural network in sequence by adopting the same method. And finally, obtaining an action category corresponding to the driver image in the test set. The detection result of the detection method is more accurate, and the network structure has fewer network parameters.

The invention discloses a detecting method based on digital audio waveform sudden changes, which is a statistical judging method disclosed according to the characteristic of a ridge of a speech spectrum caused by audio waveform sudden changes, and belongs to the multimedia information safety field. For waveform sudden change detection due to copying-pasting operation of a digital audio, ridge span changes before and after audio joint points in a speech spectrum log domain are analyzed, and a ridge factor is constructed to describe ridge bandwidth of a one-frame audio log speech spectrum to represent short-time energy change characteristics, and a difference operator is utilized for distinguishing sudden noises of audio, and ridge factor identification is caused by audio waveform sudden changes. The method comprises the following steps of carrying out short-time Fourier transformation and logarithmic transformation on an audio signal to obtain an audio spectrum of the log domain; calculating the ridge factor of each frame in the speech spectrum; and detecting and judging the difference transformation result for the ridge factor. The detecting method disclosed by the invention can identify audio waveform sudden changes effectively, and provides an effective method for detecting a digital audio editing operation boundary.

The invention discloses a concealed fecal occult blood detecting device and method. The device comprises an occult blood detecting module for detecting whether a fecal aqueous solution in a toilet contains an occult blood signal, the occult blood detecting module is electrically connected to an intelligent toilet, and the intelligent toilet can be fixed on the toilet in an openable or closeable manner; the toilet is provided with a blow-off pipe, and the occult blood detecting module is disposed on the blow-off pipe. The occult blood detecting module formed by combining a light source, an optical sensor, a first microcontroller, and a DC-DC conversion module is used, the light source and the optical sensor are concealed in the blow-off pipe of the toilet, and an optical lens and a light guide tube guide the beam emitted by the light source to penetrate the fecal aqueous solution to generate penetrating light and irradiate the penetrating light onto the optical sensor, thereby realizingthe function of detecting whether the feces contains an occult blood signal; and the device is precision in overall design and simple and compact in structure, has an efficient detection function andlow cost, and is suitable for popularization and application.

The invention discloses a graphene sphygmomanometer watch. The graphene sphygmomanometer watch comprises a watch dial plate body, a first watch strap is movably connected to one side of the watch dial plate body, a fixing box is fixedly connected to the side, away from the watch dial plate body, of the first watch strap, a press rod penetrates through the top of the fixing box, a fixing plate is fixedly connected between the two sides of the inner cavity of the fixing box, an opening is formed inside the fixing plate, the press rod extends to one end of the inner cavity of the fixing cavity to penetrate through the fixing plate and extends inside the opening, a second watch strap is fixedly connected to the other side of the watch dial plate body, and a fixing block is fixedly connected to the end, away from the watch dial plate body, of the second watch belt. The invention relates to the technical field of graphene. The graphene sphygmomanometer watch can well measure the blood pressure of a patient, is safe, reliable and high in sensitivity and drastically guarantees the health of a user, so that the device has a very good detection function, and a large amount of time is saved, so that the device is very convenient to use.

A multifunctional detection machine for liquid crystal display panels and a detection method thereof, the detection machine is mainly composed of a detection platform, a backlight module, a user interface, a circuit board detection device and a gluing device; wherein, The backlight module is arranged on the inspection platform, the user interface is electrically connected to the inspection platform, the circuit board inspection device is arranged on the inspection platform and electrically connected to the user interface, and the glue coating device is arranged on the inspection platform. The detection method includes the following steps: providing a liquid crystal display panel, a polarizer is attached to the surface of the liquid crystal display panel, and is electrically connected with at least one circuit board; performing a one-point lighting test operation on the liquid crystal display panel and performing a test on the circuit board A circuit board detection operation; and a glue coating operation on the periphery of the liquid crystal display panel. With the multifunctional testing machine of the present invention, a liquid crystal display panel that has been electrically connected to at least one circuit board can simultaneously perform lighting test, circuit board inspection and gluing operation.

The invention is about an electronic equipment detection systems and electronic equipment detection method. The electronic detection system equipment, electronic equipment has at least one indicator, a detection system includes modules on display, at least I. optical unit, a camera module and a data processing unit. I. Introduction optical modules are derived - and-derived cell-linking with the centralized show, beacons of light generated by entering into derivative-optical modules, derived from the end sent to the concentration showed that unit; camera modules display unit to concentrate on camera , and produce a video materials; data processing unit to receive image data. The electronic detection equipment, including the following steps: the indicator light will be guided to a centralized display unit; display unit to concentrate on the camera, and produce image data, and image data will be transmitted to a data processing unit. While this invention may be the majority of electronic devices for detection and detection products can reduce the time and improve the correct judgment rate and product quality.

The invention discloses an RFID technology-based food detection device with both uncooked food and cooked food, the RFID technology-based food detection device comprises a work box, a sampling barrel and a fresh-keeping groove, the sampling barrel is arranged in the work box, and the fresh-keeping groove is arranged at the bottom of the surface of the work box; a working plate is arranged at the top of one side of the working box, and a light-transmitting plate is arranged in the working plate; and an observation window is arranged at the top of the surface of the working box. Through the arrangement of the light source assembly and the light-transmitting plate, when a worker needs to detect the degree of cooking of food, the observation window, the supporting plate and the light source assembly are matched to work, the light source assembly is located under the light-transmitting plate, and after the device is connected to a power source, the worker can place the food on the surface of the light-transmitting plate, the light source assembly can irradiate a light source to the light-transmitting plate, if meat food is placed in the device, a worker can directly observe the meat food through the observation window so as to judge whether the food is cooked or not, then the device has certain functionality, and then the working efficiency is improved.

The invention relates to a pipeline detection device which comprises the components of a host body which is used for carrying a mobile control module and a position sensor module; the movement control module is used for controlling movement parameters of the host body; and the position sensor module is used for judging relative position parameters of the host body. The position sensing module measures and calculates relative position parameters of the pipeline detection device relative to the initial position based on the movement parameters of the pipeline detection device and guides the movement control module to control the movement parameters of the main machine body. The steering parameter, the speed and the movement direction of the main machine body are measured in real time through the position sensor module, so that the detection device can detect the information of the main machine body relative to the initial position.

The invention discloses a refrigerator temperature control system which comprises a compressor. The refrigerator temperature control system is characterized by further comprising a temperature sensor, a PLC (programmable logic controller), a refrigerant and a touch display for human-computer interaction, the PLC outputs control signals to the compressor by controlling temperature of a refrigerator, the refrigerant realizes refrigerating by being liquefied and then gasified through the compressor, the display is connected with one communication port of the PLC to monitor and input temperature data, and the temperature sensor is connected with another communication port of the PLC to collect temperature and transmit the same to the PLC for processing. The refrigerator temperature control system is simple to operate; the PLC is used in the control system, so that when the refrigerator is in a failure, the display can display errors, the refrigerator can be maintained timely, and the refrigerator temperature control system has a detection function.

The present invention provides an image correction method and detection device. The method includes: determining the observation area from the first image frame in the dynamic image, and obtaining the center position of the observation area in the first image frame; Determine the first feature region that conforms to the grayscale feature; obtain the first vector according to the center position of the first feature region in the first image frame and the center position of the observation area; in the second image frame in the dynamic image, according to the grayscale feature Find the second feature area; obtain the second vector according to the center position of the second feature area in the second image frame and the center position of the observation area; and correct the observation area in the third according to the difference between the two vectors and the first vector The position in the image frame. The image correction method and detection device provided by the present invention can maintain the observation area in an appropriate position in each image frame, thereby providing good detection function and more accurate detection results.

The invention relates to a signal detecting system in a wireless area arranged in an area to be detected and a method, comprising: an antenna, receiving the signals transmitted from an original station; a signal detecting module, detecting the signal strength of the original station by the signal received and transmitted by the antenna, and generating a data material; and a user interface module, receiving and displaying the data material for judging whether the area to be detected is suitable to erect a new station. The detecting method using the wireless area signal detecting system, comprises: selecting an area to be detected; providing and opening a wireless area signal detecting system, receiving the signal sent by the original station; detecting the signal strength of the original station and generating a data material by the received signal; judging whether the area to be detected is suitable to erect a new base station according to the data material; if true, erecting a new station; otherwise, reselecting the area to be detected. According to the invention, a place to erect a new station can be fast found, thereby greatly saving labor and time.

The invention relates to an electric wiring protection device which comprises a phase line conductor, a null line conductor, a ground wire conductor, a switching device, a rectifier bridge, a first residual current detection circuit, a second residual current detection circuit, a signal processing circuit, a signal driving circuit and an excitation device, wherein the first residual current detection circuit detects the residual current of the phase line conductor and the null line conductor; the second residual current detection circuit detects the residual current of the ground wire conductor; and the signal processing circuit and the signal driving circuit can independently generate a first driving signal and a second driving signal. According to the device, the detection of the residual current of the phase line conductor and the null line conductor and the detection of the residual current of the ground wire conductor are independently performed, so that the detection reliability and the safety of the device are improved.

The invention discloses a device for detecting the availability of double-nose zipper pulls. The device mainly comprises a mounting seat, an insulating piece and a detection cylinder. The detection cylinder is arranged on the mounting seat, and the insulating piece can be driven by the detection cylinder to ascend and descend; two groups of detection metal wires which are electrically connected with a control system of the device are mounted at the bottom of the insulating piece side by side. The device for detecting the availability of the double-nose zipper pulls has the advantages that the device is simple and compact in structure; the availability of the zipper pulls can be effectively detected on the premise that operation is unaffected, the device is reliable and stable in structure and low in cost and has excellent detection functions, and the like.

The invention relates to an apparatus for rapidly and accurately detecting environment humidity. The apparatus is a humidity sensor, the humidity sensor is in a side-heating structure, which is composed of an alumina ceramic tube with two ends arranged with gold electrodes, a sensitive material layer coated on the surface of the ceramic tube, and a heating coil passing through the ceramic tube, the sensitive material layer is composed of a sensitive material I arranged on the surface of the ceramic tube, and a sensitive material II arranged on the surface of the sensitive material I, the sensitive material I is ZnO nano particles, and the sensitive material II is Fe2O3 / graphene nano fiber.

The invention discloses a device for detecting the availability of double-nose zipper pulls. The device mainly comprises a mounting seat, an insulating piece and a detection cylinder. The detection cylinder is arranged on the mounting seat, and the insulating piece can be driven by the detection cylinder to ascend and descend; two groups of detection metal wires which are electrically connected with a control system of the device are mounted at the bottom of the insulating piece side by side. The device for detecting the availability of the double-nose zipper pulls has the advantages that the device is simple and compact in structure; the availability of the zipper pulls can be effectively detected on the premise that operation is unaffected, the device is reliable and stable in structure and low in cost and has excellent detection functions, and the like.

The invention provides a gas fire alarm having the environment monitoring function. The gas fire alarm comprises a gas fire alarm and a power supply thereof. The gas fire alarm comprises a carbon monoxide monitoring probe. One side of the carbon monoxide monitoring probe is provided with an environment monitoring unit, a processing unit and an alarm unit, wherein the processing unit and the alarm unit are sequentially connected with the environment monitoring unit. Compared with the prior art, based on the preferred environmental monitoring unit, the processing unit and the alarm unit sequentially connected with the environment monitoring unit, the gas fire alarm can detect the parameters of the ambient environment, so that the function of the gas fire alarm as an electronic device can be maximally played. The gas fire alarm is optimized and the application range of the gas fire alarm is expanded. The gas fire alarm is more convenient to use, simple in overall structure, scientific and reasonable in design, strong in practicability and high in cost performance, thus being widely applied to shopping malls, enterprises, residential buildings and other public places.

The invention discloses a switch calibration method applied to a nuclear power station float level meter and a switch calibration device applied to the nuclear power station float level meter. The switch calibration method comprises the following steps: receiving and storing a preset volume of to-be-tested liquid; when a switch verification signal is received, injecting the to-be-tested liquid into or discharging the to-be-tested liquid out of the nuclear power station buoy liquid level meter within preset time, and after a pressure sensor is adopted to detect the liquid pressure and the liquid level of the nuclear power station buoy liquid level meter, converting the to-be-tested liquid into sampling current to be output; comparing the sampling current with a preset current to obtain a comparison result; and judging and displaying the on-off operation information of the float level meter according to the comparison result. According to the embodiment of the invention, the volume information of the to-be-tested liquid in the nuclear power station float liquid level meter is converted into the current information, so that the operation state of the nuclear power station float liquidlevel switch is automatically verified, time and labor are saved, and the detection precision of the operation state is relatively high; and the personal safety of technicians in the checking processof the float level switch of the nuclear power station is ensured.

The invention discloses a protein-wrapped fluorescent gold nanocluster, a preparation method and an application thereof. The gold nanocluster is a gold nanocluster wrapped by aprotinin, and the gold nanocluster is composed of aprotinin molecule and Au22 or Au21 or Au16 composition. Compared with the prior art, the present invention not only has fluorescence, but also the activity of aprotinin itself is not affected, and can be applied to the fields of metal ion detection, biological imaging and protease detection.

The invention discloses a rockfall detection mechanism for mine transportation rails, which includes a main body of a rail mine car, a fixed frame, a rock blocking groove and a detection mechanism. When carrying out mine rail ore transportation work in the present invention, the detection mechanism is set during ore transportation In the process, the falling ore can be detected very well, and then help the staff to judge whether the ore has fallen in time, and through the fixed frame and rock blocking groove set on the side of the mine car, the falling ore can be detected Collect and store to prevent the falling ore from falling during transportation and cause economic losses, so as to ensure the working efficiency of ore transportation and improve the economic efficiency of work.

The invention discloses a semiautomatic health monitoring type intelligent toilet bowl device and an occult blood detection method thereof. The semiautomatic health monitoring type intelligent toiletbowl device comprises an occult blood detection module. The occult blood detection module consisting of a light source and an optical sensor is used; the light source is arranged on a handheld light source pen; penetration light generated by penetrating light beams emitted out by the light source through an excreta water solution is guided and emitted to the optical sensor through a light guide tube; the detection function for detecting whether occult blood signals exist in the excreta or not is realized; the occult blood detection module is used for detecting whether blood exists in the excreta in the excreta water solution in the toilet bowl or not, and is not used for detecting whether cancer exists or not; in the detection process, no biochemical reagent needs to be added into the excreta water solution in the toilet bowl; the feces collection or urine collection from the excreta water solution in the toilet bowl is not needed, so that the occult blood detection used for the toiletbowel is very convenient; and the application is wide. The whole design of the device is precise; the structure is simple and compact; the effective detection function is realized; the cost is low; and the device is suitable for being popularized and used.