65results about How to "Easy after-sales maintenance" patented technology

The invention discloses a system for realizing intellectualization of an electric rice cooker by utilizing an intelligent terminal. The system comprises the electric rice cooker, a communication module, an intelligent mobile terminal and an Internet cloud data sharing platform, wherein the electric rice cooker is internally provided with a first data processing module, a first system interface module, a cooking control module and an information acquisition module; the intelligent mobile terminal is internally provided with a main interface module, a basic function module, a menu management module, a DIY function module, an information sharing function module, a voice navigation module, a reservation timing function module and the like. The system for realizing the intellectualization of the electric rice cooker by utilizing the intelligent terminal has the beneficial effects that: the intellectualization of the electric rice cooker is realized, and the characteristics of low price and practical functions are achieved as multiple new function modules are added by utilizing the mobile internet function of the intelligent mobile terminal and a carry-on habit of a user, and the new function modules connect the Internet, the intelligent mobile terminal and the electric rice cooker efficiently through control or monitoring information.

The invention discloses an automobile control system software upgrading system and method. The method comprises the steps that an OTA server stores software upgrading packages of a vehicle-mounted CANcontroller and a vehicle-mounted Ethernet controller, and a remote information processor downloads the software upgrading packages of the vehicle-mounted CAN controller and the vehicle-mounted Ethernet controller from the OTA server; the central safety gateway performs integrity verification on the software upgrade packages of the vehicle-mounted CAN controller and the vehicle-mounted Ethernet controller, and sends the software upgrade packages of the CAN controller to the vehicle-mounted CAN controller for software upgrade; sending the software upgrading packet of the vehicle-mounted Ethernet controller to the vehicle-mounted Ethernet controller through the Ethernet for software upgrading; the vehicle-mounted CAN controller carries out firmware upgrading on the vehicle-mounted CAN controller according to the vehicle-mounted CAN controller firmware information table and by utilizing the firmware flashing task table; the upgrading efficiency of the automobile control system software can be improved, and the development period of the automobile control system software is shortened.

The invention provides a wireless charging detecting system for an electromobile. The wireless charging detecting system comprises an electric energy providing device, an electric energy receiving device and a battery manager. The electric energy providing device is connected with a charging station, and the electric energy receiving device and the battery manager are located on the electromobile. The electric energy providing device is used for transmitting electric energy to the electric energy receiving device through electromagnetic induction. The electric energy receiving device is located on the electromobile, and used for further transmitting the electric energy provided by the electric energy providing device to a vehicle-mounted power battery of the electromobile and carrying out self-checking in real time after the wireless charging procedure is started, and if a fault is detected, the electric energy receiving device sends a fault signal to the battery manager. The battery manager is used for disconnecting a wireless charging loop to stop wireless charging after receiving the fault signal. By means of the wireless charging detecting system, the safety and reliability of a charging device can be improved, and the service life of the charging device can be prolonged.

The invention provides a heating control method for an electric water heater. The method comprises the steps that firstly, when it is detected that the electric water heater enters an appointment function mode, the current temperature of water in an inner container of the electric water heater is obtained; secondly, if the current temperature is smaller than the target temperature, a heating time quantum corresponding to the heating temperature rise rate is calculated; thirdly, whether a system clock is in the heating time quantum or not is judged; fourthly, if the system clock is in the heating time quantum corresponding to appointment water utilization time, the electric water heater is controlled to carry out heating; fifthly, when water is heated through the electric water heater to be at the preset temperature, the heating temperature rise rate is adjusted and updated; sixthly, the second step to the fifth step are executed repeatedly until the temperature of the water in the inner container of the electric water heater reaches the target temperature. According to the heating control method for the electric water heater, heating control can be carried out by automatically adapting to the volume specification of the electric water heater, appointed heating is more accurate, and the method is simple and easy to achieve. The invention further provides a heating control device of the electric water heater and the electric water heater.

The provided intelligent loading method for mobilephone hardware driver comprises: inserting a hardware recognition module into OS kernel to read hardware register and recognize hardware type, generating hardware mark file; then inserting hardware driver into OS kernel. This invention overcomes defect in prior art, saves cost, and convenient to expand and update.

The invention relates to a dishwasher spray arm connection structure and a dishwasher. The dishwasher spray arm connection structure comprises a spray arm and a base fixed to a liner; the spray arm has a through-hole to run up and down, and includes a connecting base for connecting the spray arm and the base; the connecting base comprises a top cover arranged from top to bottom, a transfer part and a fixed part, and the top cover is covered over the top of the through-hole; the fixed part is disassembled and connected by passing through the through-hole with the base below; the transfer part is inserted into the through-hole, and the spray arm rotates around the transfer part; and the connecting base has a path to connect the water channel and the spray arm. The dishwasher not only makes the disassembly and installation of the spray arm very convenient and is convenient for after-sales maintenance, but also simplifies the structure and makes the rotation of the spray arm smoother.

The invention provides a collaborative robot modular joint. The collaborative robot modular joint comprises a joint body, an output flange, a speed reducer assembly, a band-type brake assembly, an absolute value encoder assembly, a built-in driving plate assembly and a motor assembly which are arranged in the joint body; the output flange is a flange with an O-shaped groove and a hollow shaft, theO-shaped groove is used for oil seal of the speed reducer assembly, the hollow shaft is fixedly connected with the output end of a speed reducer body, and the hollow shaft is used for being connectedwith other joints; and the speed reducer assembly comprises the speed reducer body and a speed reducer input shaft, and the speed reducer input shaft is integrally designed with a speed reducer wavegenerator in the speed reducer body. The cooperative robot modular joint has the characteristics of being good in replaceability, capable of realizing mass production, high in cooperative performanceand high in safety.

The invention provides an information inputting method and an information inputting device. The information inputting method comprises steps: a code scanning label carried with a sold device is scanned so as to acquire basic device information of the sold device carried in the code scanning label; current position information of the sold device is positioned; and the basic device information and the current position information are sent to an after-sale system of the sold device for information inputting so as to acquire leaving-factory information of the sold device according to the basic device information. Through the technical scheme of the invention, tedious operation and information distortion caused by manual information inputting can be effectively avoided, the basic information and the mounting position information of the device can be accurately inputted to the after-sale system, the leaving-factory information can be conveniently and quickly acquired, and the information inputting efficiency is improved.

The present invention relates to a chip test method based on an FPGA / MCU. The method comprises the following steps that: a host computer sends a test signal to an MCU chip on a test board; the MCU chip calls a corresponding test function according to the test signal, and controls the FPGA chip to send a test instruction to a to-be-tested chip according to the test function; the to-be-tested chip is processed according to the test instruction to obtain a test result, and the test result is sent to the MCU chip; and the MCU chip sends the test result to the host computer, so that a test on the to-be-tested chip is completed. According to the test method provided by the present invention, the full performance test on the chip in the laboratory can be more facilitated, and the time and economic costs are reduced.

The invention discloses a portable quick detection method for pathogenic bacteria. The portable quick detection method comprises the following steps: step 1, adding magnetic beads into a to-be-detected substance, putting the to-be-detected substance into a heating groove, heating the to-be-detected substance at a constant temperature through a constant temperature control unit, putting a nucleic acid extraction module into the to-be-detected substance, and sucking out the magnetic beads adsorbing nucleic acid according to magnetic regions of the nucleic acid extraction module; step 2, heating the to-be-detected substance through a heater; step 3, emitting laser by a laser emitter, enabling laser to pass through laser via holes and irradiate on the to-be-detected substance, enabling a laser sensor to receive the laser from the laser via holes, analyzing the laser through a control circuit board, and displaying detection data of the to-be-detected substance on a display module. The portable quick detection method is economical, portable, and accurate and efficient in detection.

The invention relates to a direct-current charging pile power distribution one-input four-output switch module device which comprises a switch module control panel, eight high-voltage direct-current contactors, a state indicator lamp, an address selection dial switch and the like. The switch module control panel is electrically connected with the address selection dial switch, and the switch module control panel is electrically connected with the high-voltage direct-current contactor through a tinned copper bar in a lap joint mode; the switch module control panel is provided with a CAN communication interface, and communicates with the DC charging pile main controller to realize on-off control of the eight high-voltage DC contactors. The high-voltage direct-current contactor is provided with a feedback contact, and the switch module control panel has a feedback contact detection function. According to the invention, the charging module can be switched to any charging gun, so that dynamic distribution of power is realized. According to the invention, the problem of inconvenient wiring and installation caused by too many high-voltage direct-current contactors can be well solved, andafter-sales maintenance is facilitated.

The invention provides a portable type pathogenic bacterium rapid detection system and a portable type pathogenic bacterium rapid detection device. The portable type pathogenic bacterium rapid detection system is characterized in that a power supply output end of a power supply unit is connected with a power supply input end of a nucleic acid extraction unit; the power supply output end of the power supply unit is further connected with the power supply input end of a first control chip; a constant-temperature signal transmission end of the first control chip is connected with a signal transmission end of a constant-temperature control unit; the signal transmission end of a laser detection unit is connected with a laser signal transmission end of the first control chip; the power supply input ends of the constant-temperature control unit and the laser detection unit are connected with the power supply output end of the power supply unit; the signal output end of the first control chip is in communication connection with the signal input end of a second control chip through a serial port; the signal output end of the second control chip is connected with the signal input end of a man-machine interaction module; and the power supply unit is connected with the power supply input end of the second control chip and the power supply input end of the man-machine interaction module respectively. The portable type pathogenic bacterium rapid detection system and the portable type pathogenic bacterium rapid detection device have economical efficiency and portability, and the detection is accurate and efficient.

The invention discloses a parking brake control mechanism, which comprises a brake handle, a stay cable assembly and a brake handle locking mechanism, wherein one end of the brake handle is rotatably connected with a toothed plate seat through a rotating shaft, and a fan-shaped toothed plate is arranged on the toothed plate seat; the stay cable assembly is linked with the brake handle and includes a pull rod and a stay cable wiring board, one end of the pull rod is connected with the stay cable wiring board, and the other end of the pull rod is connected with a rotating shaft component on the rotating shaft; and the brake handle locking mechanism includes the toothed plate seat, a push rod, a push rod seat, a return spring and a button, one end of the push rod is provided with a pawl, the other end of the push rod is arranged in an inner hole at the end of the brake handle to be connected with the buttonthrough the return spring and the push rod seat, and the pawl is unlocked from the fan-shaped toothed plate. The parking brake control mechanism has the advantages that the technical structure is simple, the push rod is used as a pawl unlocking transfer device, reliability is good, durability is high, transmission efficiency is high, the stay cable wiring board is arranged under the car body floor for easy arrangement and after sales maintenance, and the button can be plated with chrome, so that the parking brake control mechanism can be beautifully shaped, and can be popularized on a large scale.

The invention discloses a heavy truck CAN bus control system. The heavy truck comprises a chassis (15), an engine (5) and an instrument assembly (3). The heavy truck CAN bus control system is provided with an instrument control module (4), a front control module (7), a middle control module I (12), a middle control module II (13), a tail control module (14) and a truck door control module (11) which are interconnected by a CAN bus (1). The heavy truck is provided with the CAN bus control system to overcome reducing reliability and difficulty in arrangement due to increase of electrical appliances in a limited space, thus improving reliability of trucks.

The invention discloses an electric water heater drain valve which is arranged at the bottom of an electric water heater inner container. The electric water heater drain valve comprises a valve body, a valve cavity, a valve element and a handle switch. The valve body comprises a first valve part which extends upwards into the inner container and a second valve part containing the valve element. The first valve part penetrates through a pipe connector at the bottom of the inner container and extends into the inner container. A water through groove is formed in the wall body of the end of the first valve part. A locating flange is arranged on the outer wall of the first valve part. A pressing nut is arranged below the locating flange in a sleeved mode. A pressing ring of the pressing nut is pressed on the locating flange. The inner threads of the pressing nut are matched with the outer threads on the outer side of the locating flange and are matched with the outer threads of the pipe connector at the bottom of the inner container. An opening is formed in the wall body of the second valve part. An adjusting rod part of the valve element extends out of the opening and is movably connected with the handle switch in a detachable mode. The outer diameter of the pressing nut is larger than the distance between the outer edge of the valve element adjusting rod part and the center axis of the valve cavity. Mounting and disassembling of a blow-down valve can be completed through a universal tool, and a valve mounting structure is in order and normalized.

The invention discloses a test plate of a CPLD chip based on an FPGA / MCU. The test plate of the CPLD chip based on the FPGA / MCU includes a daughter plate, a main plate and a test base, wherein a testbase installing zone is arranged on the daughter plate; the main plate is located below the daughter plate and connected with the daughter plate; an FPGA chip and an MCU chip are arranged on the mainplate, the FPGA chip is connected with the main plate, and the MCU chip is connected with the FPGA chip; the test base is arranged in the test base installing zone; and the CPLD chip to be tested is arranged in the test base and connected with the daughter plate. According to the structure, a full performance test of the CPLD chip in a laboratory is convenient, and the time cost and the economic cost are lowered at the same time.

The invention relates to the field of embedded device firmware burning, in particular to a firmware system data transmission method and a burning device thereof. The transmission method comprises the following steps: S1, starting the PC end, electrifying and starting up the embedded mainboard, and connecting the embedded mainboard with the PC end; s2, starting a PC control module, and calling a native tool to burn ExtBoot to the embedded mainboard; s3, restarting the embedded mainboard and running an ExtBoot system, and reporting a Ready indication signal is reported; s4, after the PC control module receives the Ready indication signal, determining that handshake succeeds, and starting control instruction sending and data transmission; s5, processing, by the embedded mainboard, the instruction and the data and replying the response information; s6, enabling the PC control module to continuously send the control instruction and transmit data until the processing is finished; s7, calling a native tool to burn the firmware kernel to the embedded mainboard, and completing firmware burning of the embedded mainboard. An operator only needs to load the required firmware system data in the transmission unit of the PC control module, and then the firmware system data can be transmitted to the embedded mainboard for burning, so that the method is simple and quick.

The invention discloses a graphic signal generator and a display panel detection system. The graphic signal generator comprises a script parser used for receiving and parsing a script file and runninga performance function according to the parsed script file; a logic function module used for outputting a time sequence signal and a power supply control signal according to a running function, wherein the time sequence signal is provided for the display panel; and a power supply function module which is used for supplying power to the display panel according to the power supply control signal. The system has the advantages that functions are easy to expand and diversify, function development is simplified, and after-sales maintenance is convenient and easy.

The invention discloses a pipe buckle assembly and a brushing water pipe fixing structure. The pipe buckle assembly is used for locking a pipe body, and comprises a buckle body, a locking part and a sleeve body, wherein the buckle body is arranged outside the pipe body in a sleeving manner; an extrusion surface is arranged inside the buckle body; the locking part is provided with an elastic arm; the end part of the elastic arm is inserted into the buckle body; the sleeve body is detachably connected with one end of the buckle body; and besides, the sleeve body can be controlled to push the elastic arm to cling to the extrusion surface to hoop the pipe body. According to the pipe buckle assembly, the purpose of blind mounting can be achieved, detection confirmation is convenient, time is saved, and the rework probability is greatly decreased.

The invention discloses a BLDC (brushless direct current) motor fault diagnosis system which comprises an MCU and a fault diagnosis protection module, wherein the MCU can be used for diagnosing a BLDC motor fault type by combining interrupt response and periodic duty with a BLDC motor fault flag bit state emitted by the fault diagnosis protection module, can be used for receiving a three-phase short-circuit state of the BLD motor, and can be used for realizing fault recovery on the BLDC motor trough a BLDC motor fault recovery flag bit and on-off of BLDC motor driving; the fault diagnosis protection module is used for performing current sampling on the BLDC motor, and can be used for triggering the fault flag bit according to current sampling of the BLDC motor and the three-phase short-circuit state of the BLDC motor; and a BLDC motor current limit value set by the fault diagnosis protection module is greater than an earthing short circuit protective threshold value. The BLDC motor fault diagnosis system can avoid failure in report of BLDC motor faults, and can realize BLDC motor fault recovery during driving cycle at that time.

The invention discloses an automatic cleaning device for a fan coil. The automatic cleaning device comprises an automatic cleaning agent supplementing device, an automatic clean water flushing device,a high-pressure steam disinfection device, two three-way solenoid valves, a motor and a spraying device; and the automatic cleaning agent supplementing device, the automatic clean water flushing device, the high-pressure steam disinfection device, the two three-way solenoid valves and the motor are all connected to a controller and a power supply. By adopting the automatic cleaning device, the spraying device can be pre-arranged between a fan and fins in the air conditioner fan coil, and is provided with spraying holes facing the fins, thus the fins can be automatically cleaned, sewage can becollected by forming holes in the bottom of the air conditioner fan coil, and the fins can be cleaned without disassembling the fan coil any more.

The invention discloses a coining type brake shoe and a manufacturing method thereof. The coining type brake shoe comprises rib plates and a face plate. Each rib plate is in an arc shape, and the mounting surface of the face plate is matched with the mounting surface of each rib plate in shape. Raised locating blocks are arranged on the mounting surface of each rib plate, locating holes for penetrating through the face plate are formed in the face plate, and the locating blocks penetrate through the locating holes. The rib plates and the face plate are fixedly connected in coining and pressure welding modes. The coining type brake shoe is simple in manufacturing process, simple in technology, short in production cycle, saving in time and labor, and small in production equipment layout requirement; the time-consuming and equipment-consuming working process such as welding and boring does not exist, the face plate and the rib plates are fixedly connected in a coining mode, the precision and strength of the entire brake shoe are guaranteed, and the appearance quality of the entire brake shoe is also greatly improved.

The invention discloses a multi-system solar off-grid and grid-connected inverter system. The system comprises a control DSP, a single-phase / three-phase output dial switch and four groups of main power conversion circuits, wherein the four groups of main power conversion circuits are respectively a bidirectional converter power unit, an off-grid inverter power unit, an MPPT power circuit unit anda battery charging and discharging power unit. Through independent circuit design and corresponding control DSP design, three independent inverter circuits A, B and C of the bidirectional converter power unit are identified as three independent single-phase bidirectional converters, and an independent detection and control algorithm is used, so a circuit architecture can automatically adapt to input single-phase and three-phase voltages, moreover, an output mode of the off-grid inverter power unit is determined through a single-phase / three-phase output dial switch, so the output of the systemcan be in a single-phase or three-phase mode, and input and output modes such as single-phase input and single-phase output, single-phase input and three-phase output, three-phase input and single-phase output and three-phase input and three-phase output can be realized.

The invention provides an electronic student identity card management method and device, equipment and medium. The method comprises the steps: setting an MCU of an electronic student identity card to be in a sleep mode by default, keeping power supply for a six-axis sensor and a mobile communication module in the sleep mode, and cutting off the power supply for other modules except the six-axis sensor and the mobile communication module, wherein the mobile communication module works in a low-power-consumption state and only receives data; performing data acquisition through the six-axis sensor, and when the acquisition result is a non-motion state, keeping the MCU in a sleep mode; when the acquisition result is a motion state, awakening the MCU to analyze data acquired by the six-axis sensor; and when the analysis result of the MCU is a normal motion state, executing a step counting program, and when the analysis result of the MCU is a falling state, executing a falling mode program. According to the electronic student identity card management method provided by the embodiment of the invention, the state of the electronic student identity card is acquired and managed, so that alarming and data reporting of equipment falling are realized.

The invention relates to a PCB, in particular to a soft package lithium battery assembly tab PCB and a process thereof. The problem of assembling a soft package lithium battery is solved. The PCB comprises a PCB body and battery cells with stamped tabs, and the PCB is also provided with a plurality of positive and negative wire ducts. The battery cells correspond to the positive and negative wireslots in number; the battery cells are sequentially inserted into the positive and negative wire slots to be fixed; the PCB is provided with electric connection parts; the tabs on the battery cells are oppositely folded in pairs to be in contact with each other; the tabs are electrically connected with the electric connection parts in a contact manner; the PCB further comprises screws, gaskets, nuts and connecting pieces; the PCB is provided with screw holes; the screws are in threaded connection with the screw holes; the tabs are directly clamped and fixed through the PCB and the connecting pieces; and the nuts are in threaded connection with the screws. Thus, small-batch large-scale standardized assembly production of the soft package lithium batteries can be realized, the minimization of the volume of a battery pack is improved, the assembly process is convenient, the production cost is low, after-sales maintenance is convenient, and the existing use requirements can be met.

The invention relates to the technical field of water purifying and drinking equipment, in particular to a hot tank structure and a water purifier. The hot tank structure comprises a hot tank body (10) and a heat exchange pipe (30). The hot tank body (10) is provided with a cavity, a normal-temperature water inlet, a boiled water outlet (13) and a warm water outlet, a partition plate (20) is arranged in the cavity and divides the cavity into a heating cavity (11) and a heat exchange cavity (12) which are communicated with each other, the heating cavity (11) is communicated with the boiled water outlet (13), and the heat exchange cavity (12) is communicated with the normal-temperature water inlet and the warm water outlet; and the heat exchange pipe (30) is at least partially arranged in the heat exchange cavity (12), one end of the heat exchange pipe (30) is connected with the boiling water outlet (13), and the other end of the heat exchange pipe (30) is connected with the warm water outlet. According to the technical scheme, at least part of the heat exchange pipe is arranged in the heat exchange cavity of the hot tank body, that is, the heat exchange pipe is integrated in the hottank body, and the heat exchange pipe occupies a small space outside the hot tank body.

The invention relates to a device and a method for controlling and protecting an air compressor in a pure electric bus based on an ASR valve. The device for controlling and protecting the air compressor comprises an air compressor controller, a whole vehicle controller, a gas storage barrel assembly, a whole vehicle instrument and an ASR electromagnetic valve, wherein the air compressor controlleris used for controlling start and stop of the air compressor; the whole vehicle controller is connected with the air compressor controller and is used for carrying out message transmitting with the air compressor controller; the whole vehicle instrument is correspondingly connected with the whole vehicle controller and the gas storage barrel assembly, and is used for collecting the air pressure information of the air cylinder assembly and transmitting the air pressure information to the whole vehicle controller; the ASR electromagnetic valve is correspondingly connected with the whole vehiclecontroller and the gas storage barrel assembly and is used for carrying out gas emptying on the air compressor in response to the control signals of the whole vehicle controller. Compared with the prior art, the device and a method for controlling and protecting the air compressor have the advantages that the potential safety hazard of the vehicle gas road brake caused by long-time load work canbe avoided, and the reliability and stability are achieved at a relatively low cost.

The invention provides an electrostatic purification device. The device comprises an outer frame, positive plates, negative plates, an electrode wire, a positive wire, a negative wire, and a polar plate connecting frame, wherein the polar plate connecting frame is arranged inside the outer frame and divides the interior of the outer frame into an upper-layer space and a lower-layer space; and thenegative plates comprise the first negative plates and the second negative plates, the first negative plates and the second negative plates are connected to the polar plate connecting frame, the firstnegative plates and the electrode wire are distributed in the lower-layer space at intervals to form a charged region, the electrode wire communicates with the positive plates, and the second negative plates and the positive plates are distributed in the upper-layer space at intervals to form a dust collecting region. The invention further discloses a range hood provided with the electrostatic purification device. The electrostatic purification device is divided into the dust collecting region and the charged region through the polar plate connecting frame, so that the electrostatic purification device is simple in mounting structure and convenient to assemble; and in addition, after the electrostatic purification device is arranged at the front end of a fan system, the emission of oil smoke can be reduced, the oil smoke can be effectively purified before entering the fan system, so that fan impellers can be kept clean for a long time, and after-sale maintenance is convenient.