62results about How to "Reduce the chance of false triggers" patented technology

The embodiment of the invention provides an NB-IOT (Narrow Band-Internet of Things) water meter and a processing method. The water meter comprises a main control unit and a power supply unit, whereinthe main control unit comprises a microprogrammed control unit (MCU), a metering sensation module, a near field communication (NFC) module, and a narrow band-internet of things (NB-IOT) module based on a honeycomb; the metering sensation module is used for acquiring water meter data and used for transmitting the water meter data to the MCU; the NB-IOT module is used for receiving data which are transmitted from the MCU and are to be transmitted, and is used for remotely transmitting the data to be transmitted; the NFC module is used for communicating with an external NFC terminal and is used for transmitting an interruption signal to the MCU to awaken the water meter. According to the embodiment of the invention, the NFC module with an interruption output function communicates with the external NFC terminal to transmit the interruption signal to the MCU to awaken the water meter, an awakening button is not needed, the waterproof property of the water meter can be improved, in addition,as a button circuit is replaced by the interruption signal, a false triggering rate can be reduced.

The application discloses a TWS (True Wireless Stereo) headset wearing detection method and system, electronic equipment and a computer readable storage medium. The method comprises the steps of: whentouch sensing is triggered, acquiring motion data of a TWS headset by an acceleration sensor, and determining a motion state of the TWS headset according to the motion data; determining characteristic quantity data according to the motion data, and judging whether the characteristic quantity data meets a characteristic quantity threshold requirement corresponding to the motion state; and if yes,determining that the TWS headset is successfully worn. According to the TWS headset wearing detection method provided by the application, in the premise of conventionally carrying out judgment by touch sensing, the motion data acquired by the acceleration sensor is added, and touch sensing is combined with the motion data to carry out comprehensive judgment on a wearing state, so that an occurrence probability of false triggering is reduced, accuracy of wearing detection is improved, and an experience effect of a user is promoted.

The method includes: the digital video encoder collects the video picture of vehicle, and saves it into FIFO memory; meanwhile the high speed digital signal processor scans and collects the data rows, and saves the feature point of each row; after scanning, the quick license plate location algorithm is used to make location for the license plate in term of the feature data; compares with the original image feature of the vehicle saved in FIFO memory to correctly locate the license plate, and further to trigger the video picture.

The invention relates to a video trigger method and a device. The video trigger method comprises the following steps: a trigger signal is output when vehicle characteristics are detected in a virtual coil of a video image, and the vehicle characteristics comprise the characteristics of vehicle bottom shadow. When the characteristics of vehicle bottom shadow are detected in the virtual coil of a video image, the output of the trigger signal comprises the following steps: pixel points in the virtual coil, which have a gray value smaller than or equal to a threshold of vehicle bottom shadow, are judged as characteristic points of vehicle bottom shadow; the trigger signal is output when the sum of the characteristic points of vehicle bottom shadow is larger than a first preset sum threshold. The invention can obtain a high trigger rate and a low error trigger rate.

The invention discloses a mobile terminal with a reset function and a reset method. The mobile terminal comprises an input module, a reset circuit and a CPU (Central Processing Unit), wherein the input module is used for detecting a triggered combination key, and outputting a corresponding logic signal; the reset circuit is used for judging the trigger to reset according to the received logic signal, and outputting a reset signal; and the CPU is used for receiving the reset signal so as to start resetting operation. According to the mobile terminal with the reset function and the reset method, a structure and an appearance do no need to be changed significantly, the implementation is easy, the resetting can be realized by utilizing key combination, and the false triggering is effectively avoided.

The invention provides a speech recognition-based control method and device, and electronic equipment, and relates to the intelligent control technical field; the method comprises the following steps:gathering a first voice signal when the intelligent household equipment is awakened, wherein the first voice signal carries the first voice information; determining whether the first voice information is a word in an execution phrase or not, wherein the execution phrase comprises at least one execution word obtained in pre-training, and each execution word is matched with one target motion; if yes, forming a first control order according to the first voice information, controlling the intelligent household equipment to execute the corresponding target motion according to the first control order, thus alleviating the problems in the prior art that existing methods and devices are high in speech recognition error rates.

The invention provides a photoelectric detector. The photoelectric detector comprises a photoelectric detection layer and a first electrode layer, wherein the first electrode layer is arranged on a surface of one side of a photoelectric layer to obtain a photoelectric detection structure, and the photoelectric detection layer is formed by fabrication of a two-dimensional material or a two-dimensional material heterojunction structure. Since the two-dimensional material or the two-dimensional material heterojunction structure is sensitive to light and is simultaneously thin (the thickness is smaller than 1 nanometer), the probability of reaction with radiation particles is extremely small, and the false triggering probability is extremely small; and moreover, an acting force among atoms ina two-dimensional material plane is relatively high, the photoelectric detector is stable in structure, and the damage generated by the radiation particle is relatively small.

The invention discloses a control method and control device of a hot water device. The control method of the hot water device comprises the following steps that water flow state parameters in a waterpath are acquired; and when the same characteristic change occurs to the water flow state parameters twice or more within first preset time, the hot water device is controlled to execute the preset behavior. The characteristic comprises at least one of an ascending characteristic, a descending characteristic, a peak characteristic and a wave trough characteristic. According to the control method and control device of the hot water device, the flexibility of starting the preheating circulation by a user can be improved, the operation by the user is facilitated, and the water use experience of the user is improved.

The invention discloses an electronic cigarette which is provided with an anti-false-triggering touch switch. The anti-false-triggering touch switch comprises a capacitive induction key, a light touch switch and an elastic part; the capacitive induction key and the light touch switch are connected in series in a controlled circuit; the light touch switch comprises a base and a guide post; the base is arranged on a circuit substrate; one end of the elastic part is arranged at the light touch switch in a sleeving manner while the other end of the elastic part is connected with the backside of the capacitive induction key; and when the elastic part deforms elastically in the presence of a pressure, the backside of the capacitive sensing key is abutted against the guide post of the light touch switch. The electronic cigarette which adopts the structure above can reduce the probability of false-triggering of the touch sensitive switch of the electronic cigarette efficiently, the standby duration of the electronic cigarette is prolonged and the safety performance of the electronic cigarette is improved.

The invention relates to a control method using a valve control system to carry out reversed recovery-stage protection on a thyristor and belongs to the technical field of high-voltage DC transmission of an electric system. According to the control method, the startup range of a reversed recovery stage of the thyristor is controlled by adding logical judgment conditions, and consequently the condition that the protection function of the thyristor in the reversed recovery stage can be controlled under different working conditions is achieved. The control method ensures that the protection functions of the valve control system in an original reversed recovery stage is not influenced, and the situation that reversed recovery-stage protection actions of the thyristor in the reversed recovery stage cause failure of a bypass pair or generation of excessive current under some special working conditions is also avoided. Consequently, the purpose that the valve control system can control and optimize the protection functions of the thyristor in the reversed recovery stage is achieved.

The invention relates to a smart phone shell and an intelligent protection method. The smart phone shell is capable of distinguishing the condition that a smart phone is in a falling state through an electronic system arranged in the smart phone shell, so that the probability of false triggering of a security airbag is reduced and the condition that the airbag is ejected to protect a smart phone before the smart phone strikes against the ground is ensured.

The invention discloses a high-voltage high-current phase selection closing apparatus. The closing apparatus comprises an operating mechanism, an arc extinguish chamber and a control loop; the arc extinguish chamber comprises a sealed insulating cylinder, and a moving contact and a fixed contact that are arranged in the insulating cylinder in an interworking manner; the fixed contact comprises a first fixed contact and a second fixed contact connected with an incoming line and an outgoing line respectively; the first fixed contact and the second fixed contact are fixed at the two ends of the insulating cylinder respectively; the moving contact is constantly in sliding electric connection with the second fixed contact; a brake-separating and brake-closing operation is finished by the separation and electric contact between the moving contact and the first fixed contact; the insulating cylinder is filled with compressed air; the output end of the operating mechanism is connected with the moving contact; and the control loop is used for controlling the actions of the operating mechanism. The arc extinguish chamber is insulated by adopting the high-voltage air to shorten the spacing among the contacts so as to adapt the high-voltage occasions requiring to improve the insulation level and reduce the spacing to ensure the rapid closing action; and in addition, the inherent closing time is ensured and the reliability in closing action is improved.

The invention relates to the technical field of electric lifting platforms, in particular to an electric lifting platform control method capable of realizing rollback when meeting resistance, The electric lifting platform control method comprises the following steps: S1, detecting the state of the lifting platform at a time interval of X, if the lifting platform is in the static state, skipping toS2, and if the lifting platform is in the moving state, skipping to S3; S2, reading the magnitude of angular velocity and / or acceleration magnitude of a multi-axis motion sensor, taking the magnitudeof angular velocity and / or acceleration magnitude of the multi-axis motion sensor as reference values, and then returning to S1; and S3, reading the magnitude of angular velocity and / or accelerationmagnitude of the multi-axis motion sensor, comparing the read values with the reference values, if the changing value after comparison exceeds the set threshold value, judging that the platform meetsresistance, controlling the lifting platform to stop or carry out rollback action, if the changing value after comparison does not exceed the set threshold value, judging that the lifting platform does not meet resistance, and returning to S1. The false triggering rate of the lifting platform controlled through the control method is lower and the judgement precision rate is higher.

The invention provides an intelligent power module and an air conditioner. An HVIC transistor in the intelligent power module is provided with a first port corresponding to a current detection end and a second port corresponding to a PFC control input end; first, second and third input ends of a self-adaption circuit are connected to three-phase upper bridge arm signal input ends respectively, fourth, fifth and sixth input ends thereof are connected to three-phase lower bridge arm signal input ends respectively, a seventh input end is connected to the second port, an eighth input end is connected to the first port, and an output end thereof serves as an enablement end of the HVIC transistor; when the input signals of the first-seventh input ends are low levels, the self-adaption circuit outputs corresponding level signals according to the relation between the input signal of the eighth input end and a first set value; and when input signal of at least one input end in the first-seventh input ends is high level, the self-adaption circuit outputs corresponding level signals according to the temperature of the intelligent power module and the relation between the input signal of the eighth input end and a second set value, wherein the second set value is larger than the first set value.

The invention provides a control method and apparatus. When the traveling speed of an electronic device meets a preset condition and the electronic device moves in a direction different from a traveling direction, a voice function of the electronic device is disabled, so that the voice function of the electronic device can change according to a motion state of the electronic device and is no longer in a continuous working state, and the electricity consumption of the electronic device is reduced. When the motion indicated by a first motion state of the electronic device is that the traveling speed meets the preset condition and the electronic device moves in the direction different from the traveling direction, it is possibly indicated that a user wears the electronic device and is running outdoors; and an outdoor environment is doped with a variety of sounds, so that disabling the voice function of the electronic device in such environment can effectively reduce the probability of false triggering of the voice function.

The invention discloses a high voltage pulse modulator klystron protector, comprising a driver and a detection circuit, wherein the driver and the detection circuit are connected in series between an ignitron G2 and a transformer; the current data of a klystron G1 are collected in real time through the transformer, and sent to the detection circuit; when the detection circuit detects that the current of the klystron G1 exceeds a predetermined threshold, the detection circuit triggers the driver to generate high voltage to break over the ignitron G2, and the energy of an energy storage capacitor C1 is discharged through R1 and the ignitron G2. According to the high voltage pulse modulator klystron protector, the pulse anodizing current is sampled through the current transformer, a driving signal required for the triggering of the driver is also monitored and generated through the current transformer, and the ignitron is driven by the driver to break over and discharge high-voltage capacitive stored energy; as an optical signal is adopted as the driving signal generated after current detection, the work stability is comparatively high, and the spurious triggering probability is decreased greatly.

The invention provides an intelligent power module and an air conditioner. An HVIC transistor in the intelligent power module is provided with wiring terminals connected to three-phase upper bridge arm signal input ends and three-phase lower bridge arm signal input ends respectively, and a first port corresponding to a current detection end and a second port corresponding to a PFC control input end; a first input end and a second input end of a self-adaption circuit are connected to the first port and the second port respectively, and an output end of the self-adaption circuit serves as an enablement end of the HVIC transistor; the self-adaption circuit outputs corresponding level enablement signals according to the relation between the value of the input signal of the first input end and a first preset value when the temperature of the IPM is lower than a preset temperature value; and the self-adaption circuit outputs corresponding level enablement signals according to information of whether the input signal of the second input end is in a rising edge, and the relation between the value of the input signal of the first input end and a second preset value or the first preset value when the temperature of the IPM is larger than the preset temperature value, wherein the second preset value is larger than the first preset value.

The invention provides a field-effect transistor. The field-effect transistor comprises a first channel layer, a first insulation layer, a grid and a first electrode, wherein the first electrode is arranged on a surface of one side of the first channel layer, the first insulation layer is arranged on the other surface of the first channel layer, the grid is arranged on a surface of the first insulation layer, and the first channel layer and the grid are made of two-dimensional materials. Since the channel layer and the grid comprise the two-dimensional materials, the relatively high radiation-resistance capability of the field-effect transistor is greatly improved.

The invention discloses a vehicle emergency braking pre-pressure-buildup method and related equipment. The vehicle emergency braking pre-pressure-buildup method comprises the steps of building a pre-pressure-buildup range; monitoring the target vehicle entering the pre-built pressure range to obtain position information of the target vehicle; acquiring own vehicle information and road condition information; obtaining pre-pressure-buildup time of the target vehicle according to the position information of the target vehicle and the vehicle information; calculating pre-built pressure advance time according to the vehicle information and the road condition information; calculating to obtain a preset pre-built pressure compensation time threshold value according to the pre-built pressure advance time; comparing the pre-pressure-buildup time with a preset pre-pressure-buildup compensation time threshold value, and judging whether the target vehicle is a dangerous target or not; and if the target vehicle is a dangerous target, sending a pre-pressure-buildup instruction. By establishing the pre-pressure-buildup range and adopting the boundary confirmation method to detect the target vehicle entering the pre-pressure-buildup range in time, the processing time of emergency situations is prolonged, self-vehicle information and road condition information are monitored in real time, and the pre-pressure-buildup process is more accurate.

An alarm chain based monitoring device includes an alarm chain module, which is in information connection with at least one photographing device and at least one display element in information connection with the photographing device. The alarm chain module includes a definition unit, a sensitivity unit, and an alarming unit. The photographing device generates an image that is then displayed by the display element. The definition unit generates an alarm chain that includes control nodes and can be curved in the image. The sensitivity unit defines detection sensitivity of the alarm chain. When an object moves across the alarm chain, the alarming unit issues at least one alarm message, whereby the curved alarm chain defined in the image allows the installation site not be subjected to constraint and reduces error triggering rate.

The invention discloses an electronic cigarette and a control method thereof. The electronic cigarette comprises an electronic cigarette body, a sensing assembly and a key assembly, wherein the sensing assembly and the key assembly are electrically connected with the electronic cigarette body. The key assembly is installed in the electronic cigarette body. The electronic cigarette body is providedwith a first mounting hole; the sensing assembly is mounted in the first mounting hole; one side of the sensing assembly is exposed out of the electronic cigarette body from the first mounting hole to form a touch sensing area for a user to touch, and at least a part of the other side of the sensing assembly faces the key assembly; and when the touch sensing area is pressed, the sensing assemblymoves relative to the electronic cigarette body and applies pressure to the key assembly to trigger the key assembly. By arranging the sensing assembly and the key assembly, corresponding operation isexecuted only when the sensing assembly and the key assembly are triggered at the same time, so that the probability that the electronic cigarette key is mistakenly triggered is reduced, and the usesafety of the electronic cigarette is improved.

The invention provides a TWS earphone. The TWS earphone comprises earplugs; an ear handle which is connected with the earplugs; a touch pad which is arranged on each of two sides of the ear handle andis used for acquiring a touch analog signal; signal processing equipment which is connected with the touch panels and is used for judging whether a trigger signal is generated according to the two touch analog signals after receiving the touch analog signals sent by the two touch panels; and a main control chip which is connected with the signal processing equipment and is used for executing a preset operation according to the trigger signal. According to the TWS earphone, the touch analog signals are generated by simultaneous touch of the touch panels on the two sides; the touch trigger signal is simulated according to the touch, the preset operation is executed according to the trigger signal, the two sides of the ear handle are touched at the same time, the operation process is stable,the wearing stability is not affected, the touch trigger signal can take effect only when touched at the same time, the false triggering probability is greatly reduced, and the user experience is improved. The invention further provides a touch control method which has the above beneficial effects.

The invention discloses a PCB capacitive sensor and an intelligent door lock control switch, the PCB capacitive sensor comprises an induction layer, a dielectric layer and a protection layer which are stacked together up and down, wherein the induction layer and the protection layer are respectively located on the upper side and the lower side of the dielectric layer, and the dielectric layer comprises a non-conductive dielectric material substrate; the induction layer comprises a conductive metal induction sheet laid on the substrate and is used for generating induction capacitance; the protection layer comprises a signal shielding net which is laid on the substrate and used for preventing interference signals from entering the induction layer. According to the PCB capacitive sensor with the structure, the size of the sensor is effectively reduced, so that the requirement on the internal space of a vehicle door handle is reduced, a more reasonable and wider design space is provided for the vehicle door handle, and the size of the vehicle door handle can be made to be more delicate and small; besides, the PCB capacitive sensor is provided with the protection layer for preventing interference signals, so that the signal-to-noise ratio of the PCB capacitive sensor can be effectively improved, the touch sensing distance is longer, and the false triggering probability is effectively reduced.