39results about How to "Automatic switching" patented technology

The invention relates to the field of logistics automation, in particular to a control system suitable for secondary precise positioning of an AGV and a control method thereof. The present invention is achieved through the following technical solutions: a control system suitable for secondary precise positioning of AGVs, including an AGV trolley and an auxiliary positioning device, the AGV trolley includes a car body, a driving device, a controller and a The scanning device on the vehicle body, the controller includes a switching device for switching the positioning algorithm. The purpose of the present invention is to provide a control system and control method suitable for secondary precise positioning of AGVs, which can trigger secondary precise positioning in a large-scale workplace, and switch positioning algorithms to continue with high precision. Work.

The invention relates to the electronic equipment field, especially to a display method and electronic equipment. The method is applied to first electronic equipment with a projection display unit; and the projection display unit is used for forming a projection image at a bearing surface when the bearing surface is located at a projection area of the projection display unit. The method comprises the following steps that: projection parameter information is obtained, wherein the projection parameter information is used for indicating the dimension of an effective portion of the projection image at the bearing surface; according to the obtained projection parameter information, a display mode corresponding to the projection parameter information is determined and content data corresponding to the display mode are outputted, thereby forming a projection image at the bearing surface. The first electronic equipment has at least two display modes including a first display mode and a second display mode; and in the first display mode, the first electronic equipment at least outputs first content data; and in the second display mode, the first electronic equipment at least outputs second content data. And the first content data are different from the second content data.

The invention discloses a music feedback regulation system based on signal processing. The music feedback regulation system comprises a music library, a music library unit, an emotion analysis unit, an emotion real-time monitoring unit and a music playing unit. The music library unit classifies music in the music library according to acoustic characteristics and lyric semantics of the music; the emotion analysis unit judges the initial emotion state of a subject according to audio characteristics; the emotion real-time monitoring unit monitors the emotion of the subject in real time through physiological signals and facial expression signals of the subject; and the music playing unit plays the corresponding music according to the initial emotion state and switches the music in real time according to the result of the emotion real-time monitoring unit. The music feedback regulation system based on signal processing achieves accurate matching of the music played by the subject based on accurate evaluation of the emotion state of the subject and accurate classification of the music, responds to changes of the body reaction mechanism of the subject, can automatically switch the played music, and has the self-learning and self-regulation functions, and the music switching function has the function of restraining emotion pseudo changes.

The invention relates to a single-light lens assembly for an automobile. The single-light lens assembly comprises a resin lens, a plastic support, an upper beam and lower beam switching module, an aluminum reflector and an H1 halogen lamp, wherein the resin lens is installed at the front end of the plastic support, the plastic support is installed right ahead of the upper beam and lower beam switching module, the upper beam and lower beam switching module is placed right ahead of the aluminum reflector, a light outlet of the aluminum reflector and the resin lens are arranged in a coaxial mode in the same direction, the H1 halogen lamp is installed at the bottom of the aluminum reflector, the plastic support and the resin lens are tightly pressed through buckles, and the aluminum reflector is fixed by the plastic support through four supporting legs. According to the single-light lens assembly, upper beam and lower beam switching can be automatically achieved through the adjustment of a light barrier; the single-light lens assembly is simple in structure, stable in performance and low in cost; the aluminum reflector and the lens are good in combination effect, wide in light range and clear, and cost is further reduced and effects are good due to the adoption of the H1 halogen lamp.

The invention relates to the electronic payment and information safety field, and discloses interface conversion equipment communicating with a safety device used for calculating electronic payment codes and a method thereof. The invention is primarily used for interface conversion when the invention communicates with the safety device to calculate the electronic payment codes. The invention can effectively ensure that a PC computer or bank computer terminal equipment connects with and communicates with the safety device in USB-key mode to calculate the electronic payment codes; mains input can be provided for the safety device to calculate the electronic payment codes during communication. At the same time, the equipment can also independently support the connection with prior hand-held electronic payment coder equipment through standard serial port transfer lines, and is compatible with such operations and functions as initialization and loading account information of prior hand-held electronic payment coder equipment at the bank terminal.

The invention relates to a light emitting diode (LED) automobile headlamp module. The LED automobile headlamp module comprises a spotlight reflector cup, a sealing groove and an optics diffusion sheet, wherein the sealing groove is located at the front end of the spotlight reflector cup, and the optics diffusion sheet is arranged in the sealing groove. On the one hand, dipped headlight illumination is achieved after light rays of an LED lamp are converged by the spotlight reflector cup and horizontally diffused through the optics diffusion sheet, on the other hand, distant light illumination of the LED lamp is achieved after the light rays of the LED lamp are converged by the spotlight reflector cup and combined with filled liquid and the optics diffusion sheet. The LED automobile headlamp module is simple in structure, high in light use ratio of a light emitting unit, and convenient to use and operate due to the fact that switching between a distant light and a dipped headlight is achieved by filling a space between the sealing groove and a storage groove with the filled liquid and using an added drive device which can automatically achieve the switching between the distant light and the dipped headlight, and shows the advantage of microminiaturization of the LED lamp due to the fact that the overall structure of the LED automobile headlamp module is controlled in a small size.

The present invention provides a 4G wireless network sharing device, the 4G wireless network sharing device includes a dual-core CPU, a T-FLASH card connector and a MicroUSB connector to support the insertion of a 64G T-FLASH memory card; the dual-core CPU Communicatively connect with the T-FLASH card connector and the MicroUSB connector respectively. The invention can convert the mobile communication network signal into multiple network signals to meet the simultaneous use of multiple local area network devices, realize the shared storage function of the local area network, and automatically realize the charging of the sharing device itself and the external portable device according to the difference of the inserted USB connection line Switching between power supply functions.

The present invention provides a transformer respirator system, which includes a control unit, a driving mechanism, a three-way conduit, and a linkage valve. The three-way conduit includes a connected first conduit, a second conduit, and a third conduit. The linkage valve is arranged at The connection of the first conduit, the second conduit and the third conduit, the opening side of the first conduit is connected to the first respirator, the opening side of the second conduit is connected to the second respirator, and the opening side of the third conduit is connected to the transformer For an oil conservator, the control unit is used to control the driving mechanism to drive the linked valve so as to make the first conduit, the second conduit and the third conduit conduct or block. The invention can solve the technical problem that heavy gas action is easily caused when the existing transformer respirator is replaced and removed, and the circuit breakers on each side of the transformer are tripped and the main transformer is out of operation.

The application provides an automatic teleprompter method for video recording. The method comprises the following steps: inputting designed script into a teleprompter system, placing a sentence to berecorded in the script in the center of a teleprompter center to display; collecting voice information of video-recorded personnel, identifying the voice information of the video-recorded personnel, and converting the voice information into text information; matching the text information with the sentence at the center of the teleprompter screen; if the matching is successful, moving the next sentence in the script to the screen center of the teleprompter by the system; if the matching is unsuccessful, further judging whether the matching dissimilarity t is greater than the preset threshold T,if the matching dissimilarity t is greater than the preset threshold T, automatically interrupting and ending the prompting; if the matching dissimilarity t is not greater than the preset threshold T, giving caution information in different levels according to the size of t, and enabling the video recorder to decide whether to end; if the video recorder decides not to end, continuously performingvoice information collection, identification and subsequent flows, or directly ending the operation.

The invention relates to analog switch circuit and a secondary current detection circuit for an inversion resistance welding machine. The analog switch circuit comprises a comparison circuit, a detection circuit, and an electronic switch circuit. The input end of the comparison circuit is connected with a Rogowski coil voltage signal output end, and the output end of the comparison circuit is connected with the input end of the detection circuit. The output end of the detection circuit is connected with the control end of the electronic switch circuit. The comparison circuit compares a Rogowski coil output voltage signal with a preset comparison voltage, and outputs a control signal to the detection circuit. The detection circuit transmits the control signal to the control end of the electronic switch circuit after detection processing of the control signal, and the electronic switch circuit controls a fixed integrating circuit and an adjustable integrating circuit to switch the working states according to the processed control signal, wherein the fixed integrating circuit and the adjustable integrating circuit are connected with the electronic switch circuit. The analog switch circuit can control the integrating circuits to switch the state between an integrating state and a non-integrating state, effectively reduces the time of an integrating capacitor in the integrating circuits in arriving at a saturation state, and guarantees the stability of a system.

The invention relates to the technical field of water purifiers, and in particular relates to a detachable filter element structure. The detachable filter element structure comprises an installation seat arranged on a waterway and a filter element component arranged on the installation seat, and the filter element component comprises an outer shell and a filter element arranged in the outer shell; one side of the installation seat is provided with a first water pipe, and the other side is provided with a second water pipe; the installation seat is provided with an accommodating cavity communicating with the first water pipe and the second water pipe; and a first conversion device and a second conversion device are arranged on the installation seat, the first conversion device realizes communication switching between the first water pipe and the interior of the filter element or the accommodating cavity, and the second conversion device realizes communication switching between the second water pipe and the exterior of the filter element or the accommodating cavity. The detachable filter element structure provided by the invention can realize replacement of the filter element under the condition that a faucet is not closed, does not affect water use and is convenient and quick.

The invention relates to a light emitting diode (LED) automobile headlamp module. The LED automobile headlamp module comprises a spotlight reflector cup, a sealing groove and an optics diffusion sheet, wherein the sealing groove is located at the front end of the spotlight reflector cup, and the optics diffusion sheet is arranged in the sealing groove. On the one hand, dipped headlight illumination is achieved after light rays of an LED lamp are converged by the spotlight reflector cup and horizontally diffused through the optics diffusion sheet, on the other hand, distant light illumination of the LED lamp is achieved after the light rays of the LED lamp are converged by the spotlight reflector cup and combined with filled liquid and the optics diffusion sheet. The LED automobile headlamp module is simple in structure, high in light use ratio of a light emitting unit, and convenient to use and operate due to the fact that switching between a distant light and a dipped headlight is achieved by filling a space between the sealing groove and a storage groove with the filled liquid and using an added drive device which can automatically achieve the switching between the distant light and the dipped headlight, and shows the advantage of microminiaturization of the LED lamp due to the fact that the overall structure of the LED automobile headlamp module is controlled in a small size.

The invention discloses a socket short circuit safe experience device. The socket short circuit safe experience device comprises a power supply, an operation panel, a controller, a flashing unit and a smoke unit, wherein the power supply supplies power to the operation panel; the operation panel comprises a socket and a plug, the plug is used for being inserted into the socket and completing socket short circuit operation; the operation panel, the flashing unit and the smoke unit are respectively connected with the controller; the controller is used for detecting whether the plug of the operation panel is inserted into the socket or not, and when the plug is inserted into the socket, the controller is also used for controlling the flashing unit to simulate flashing produced when the socket is in short circuit, so as to control the smoke unit to simulate smoke produced when the socket is in the short circuit. The socket short circuit safe experience device disclosed by the invention can realize that people can experience a danger phenomenon that a power supply is in short circuit when the socket is used by the people under the condition that safety of the people is guaranteed, so that the people can better understand a power supply circuit and safely feel a harm state, and the people can cultivate and pay attention to consciousness of electrical safety.