191results about How to "Reduce after-sales cost" patented technology

The invention discloses a model inverse dynamic algorithm for the extreme power of a power battery pack, and aims to avoid the influence of the state of charge (SOC) accuracy of a battery on an extreme power estimated value due to calculation of the electrodynamic potential of the battery through a mathematical model. The model inverse dynamic algorithm comprises the following steps: establishing a polarization voltage model of a single battery and a terminal voltage model of the single battery by adopting a Thevenin equivalent circuit; computing the direct-current resistance R, polarization parameter Rp and tau of the battery according to an HPPC (Hybrid Pulse Power Characterization) experiment, and establishing a corresponding relation through the SOC and a temperature; computing current EMF(t) by using a current sampled voltage value U(t) and current I(t); computing a polarization voltage Up(t+dt) after pulse time according to Up(t); calculating extreme current according to EMF(t) and Up(t+dt); comparing the extreme current with a system design required value Imax, and selecting lower current for calculating a voltage value U(t+dt) after the pulse time; and computing extreme power and charging extreme power.

The invention provides a cold and hot integrated box body structure comprising a main body of a box body with an upper opening, wherein the main body of the box body comprises a bottom plate and a side plate, the bottom plate and the side plate are used for constituting an accommodation cavity for accommodating a battery, a liquid cooling system and a heating system are alternately distributed in the bottom plate, at least one fluid inlet and at least one fluid outlet communicated with the liquid cooling system are formed in the side plate, the liquid cooling system is cooling fluid flow channels distributed in the bottom plate in a snake shape, the heating system comprises a first hollow cavity arranged between cooling fluid flow channels and a heating device padded in the first hollow cavity, and a flow channel bridge used for changing the flow direction of the fluid is arranged at the reserving site of the cooling fluid flow channel. According to the box body structure provided by the invention, the liquid cooling system, the heating system and a heat insulation system are highly integrated with the section bar box body, thereby improving the weight energy density ratio and the volume energy density ratio of the battery and reducing and even eliminating the fluid leakage risk of the cooling fluid.

The invention provides a new-energy entire car controller integrated with a transmission case control function. The controller is integrated with the transmission case control function, i.e., an original entire car control function and a transmission case control function are integrated in the entire car controller, so that a special TCU (transmission control unit) is not needed any more; analog input, on-off input and frequency input are connected with respective sensors; a power-driven part and a motor-driven part are connected with respective actuators; the components are connected together with an internal bus on a controller circuit board by virtue of internal connecting wires so as to form a complete controller hardware circuit. New-energy entire car controller software integrated with the transmission case control function is realized by virtue of an entire car control algorithm and a transmission case control algorithm. The new-energy entire car controller can be used for shortening the development cycle, lowering the development cost, reducing automobile parts such as a controller, an auxiliary connector and wire harnesses and lowering the purchase costs of the parts.

The invention relates to new type waterproof electric products which particularly comprise a waterproof intelligent mobile phone, a waterproof tablet personal computer and a waterproof split type tablet personal computer (comprises a waterproof handheld intelligent terminal and a host), particularly to a new type tablet personal computer and even refers to a cloud tablet personal computer. The new type waterproof electric products are characterized in that firstly no physical externally arranged interface is arranged on a casing, wireless connection is achieved through measures such as a wireless externally arranged interface, a wireless power transmission device, a wireless communication module or a circuit, and accordingly the casing of a product completely achieves the purpose of waterproof due to no physical electrically connected interface; secondly the waterproof performance is improved due to the fact that a circuit board and relative components are coated by films; and thirdly a covering plate (faceplate) of a touch screen is machined into a front casing of a waterproof product through mechanical machining methods such as molding, turning, milling and planning, so that an original juncture between the touch screen covering plate and the casing is avoided, the waterproof performance is improved, optical cement bounding for assembling a functional piece and the covering plate is avoided, yield of the touch screen is greatly improved, the touch screen is easy to repair, and a small-sized second touch display screen can be arranged to replace a traditional button to improve the waterproof performance and save the power.

The invention provides a detecting device and method. The detecting device is used for air conditioners and each air conditioner comprises an indoor unit and an outdoor unit; the detecting device comprises a processor, communication ports and at least two sets of current-loop communication circuits connected with the processor, and the at least two sets of current-loop communication circuits are output to the communication ports and connected with current-loop communication circuits in the indoor units and the outdoor units through the communication ports. The detecting device has the functionof power-on automatic detecting communication failure, can detect the communication failure of the indoor units and the communication failure of the outdoor units and is simple and easy to use, the research and development debugging efficiency and the air conditioner after-sale maintenance efficiency can be greatly improved, and the after-sale cost is reduced.

The present invention proposes a method for controlling idle speed during shutdown of an engine with a start-stop function, which includes the following steps: judging whether the engine is in an idle state, and when it is confirmed that the engine is in an idle state, performing an idle speed timer, and comparing the idle speed timer DT1 with the preset value DT, and perform corresponding stop control according to the comparison result; when it is confirmed that the engine is not in the idling state, judge whether the engine meets the engine stop condition; information, and perform different idle timings according to different states of the engine; after the idle timing is over, it is judged again whether the engine shutdown condition is met, and corresponding processing is carried out. The invention can be widely applied to vehicles with start-stop function, effectively solves engine and turbocharger failures caused by rapid and heavy-load engine shutdown and unlimited frequent start-stop, reduces engine failure rate, and improves vehicle fuel economy at the same time.

The invention discloses a pure electric vehicle controller device integrating wireless communication and positioning, which comprises a processor, an analog voltage signal processing module, an input resistance detection module, a switch signal processing module, a 6-axis gyroscope, a frequency signal processing module, a high-voltage interlock processing module, a power supply, a high-side driving module, a low-side driving module, a PWM output module, an isolation CAN transceiver, a GPRS / 3G module and a GPS / BD dual-mode positioning module. Wireless communication and positioning functions are integrated in the vehicle controller, functions of the original vehicle controller, the wireless communication function and the positioning function are integrated to the vehicle controller, and a data processor specially for wireless communication and positioning is not needed; the terminal number and the vehicle wire harnesses are reduced, the vehicle electronic system is more simplified, and the vehicle cost and the after-sales cost are reduced; and the data processor specially for wireless communication and positioning is omitted, and the vehicle cost is further reduced.

The invention relates to an intelligent power management system. Under the condition that an engine of a whole vehicle is not started, the aging state, the electric quantity state, the voltage state and the current state of a storage battery are recorded in real time through a storage battery sensor and sent to a power management controller, and the states of the storage battery are defined into four types of power management level signals (PMS_level) and low battery electric quantity signals (Low Power Warning) according to an algorithm of the battery management controller; then the four types of the power management level signals and the low battery electric quantity signals are sent to load controllers such as an air conditioner controller, a DVD controller and a lamplight controller through a CAN network; and all the load controllers conduct corresponding load management according to the received level signals, the state of the storage battery is monitored in real time, and therefore a user is reminded of the condition of the electric quantity of the storage battery. By the adoption of the intelligent power management system, power use classified management of loads of the whole vehicle is achieved, and the purposes of reducing the electric quantity consumption of the storage battery and prolonging the service life of the storage battery are achieved.

The invention discloses a remote unlocking method and a remote unlocking system. The remote unlocking method comprises the following steps: A, generating an unlocking short message through a server according to input personal information and an unlocking request, and transmitting the unlocking short message to a corresponding mobile terminal; B, analyzing the unlocking short message through the mobile terminal, and automatically unlocking according to the unlocking instruction of the unlocking short message. By adopting the remote unlocking mode, a user is not required to have any special skills, the remote unlocking method and the remote unlocking system are very convenient to operate, the after cost can be lowered, and the time can be saved for the user.

The invention discloses an air conditioner control method and device and an air conditioner. The method includes the steps that a target parameter is determined according to a real-time running parameter of the air conditioner; the target parameter is compared with a pre-stored standard parameter; and if the difference between the target parameter and the standard parameter is not within a preset range, a prompt message for prompting air conditioner faults is output. The technical problem that in the related technology, the refrigerant quantity of the air conditioner is insufficient or excessive, consequently the exhaust gas temperature is slightly high or low, and fault judgment results of the air conditioner are influenced are solved.

The invention provides a software upgrading method and device of an electric appliance and an electric appliance, and the method comprises the steps: obtaining the version information of latest version software; determining an upgrading moment according to an updating level in the version information, wherein the updating level is used for indicating the degree of influence of software updating content on operation of the electric appliance; and executing upgrading of the latest version of software at the upgrading moment. According to the method, the version information can be automatically acquired by the electric appliance for remote upgrading, so that a user does not need to wait for after-sales personnel to perform manual upgrading, the use experience of the user can be improved, andthe after-sales cost can be saved. Moreover, the upgrading moment is flexibly selected according to the influence degree of the software updating content on the operation of the electric appliance, sothat the flexibility of the software upgrading method can be improved.

The invention discloses a working position tool of a back seat cushion support of an automobile. The working position tool of the back seat cushion support of the automobile comprises a base and a tool frame arranged on the base, wherein storage tables are correspondingly arranged inside side frames on the two sides of the tool frame respectively, multiple limiting blocks are arranged on the storage tables, a clamping groove is formed by every two adjacent limiting blocks, a positioning pin stretches out from the bottom of each clamping groove, and the positioning pins are higher than the limiting blocks. The working position tool of the back seat cushion support of the automobile and a using method of the working position tool of the back seat cushion support of the automobile have the advantages that safe storage and transportation of a back seat backrest support of the automobile are facilitated, and the back seat backrest support of the automobile is prevented from being damaged during storage and transportation; the tool special for the back seat cushion support of the automobile is obtained, and operation is convenient and safe.

The invention discloses an air conditioner detection method, an air conditioner detection device and an air conditioner detection system, a storage medium and a processor. The method comprises the following steps of receiving a detection request sent by target equipment; acquiring abnormal data stored in an air conditioner, wherein the abnormal data at least comprises one of the follows: system protecting data and fault data; analyzing the abnormal data by using a first model to determine a detection result of the air conditioner, wherein the first model is trained by employing groups of databy means of machine learning, and each group of data among the groups of data comprises the abnormal data and a corresponding detection result; and sending the detection result to the target equipment. According to the invention, the technical problem that the reliability and the user experience of the air conditioner are reduced by the air conditioner detection method in the related art is solved.

The invention proposes a device and a method for remotely operating the device. The client program of the device establishes a connection with the service center program, receives the command of the service center program, and sends the command to the device; the client program receives the response of the device to the command, and sends the response to the service center program It is used for the service program to operate the device. The technical solution of the present invention can remotely operate problematic equipment through AT commands, thereby reducing the number of times customers go to and from after-sales service outlets, improving after-sales efficiency, and reducing after-sales costs, and the solution has low requirements for the network environment and no requirements for AT equipment systems and software.

The invention discloses a power-down protecting method and system for improving data safety of a vehicle terminal system. The method comprises the following steps that a, data in the system are classified, and if the data are read-write data, the data are stored in an Eeprom; if the data are read-only data, the data are stored in a Flash; b, when a request for reading a file is received, a source of file data is judged; b1, if the data are the read-only data, the data are read from the Flash; b2, if the data are the read-write data, the data are read from the Eeprom; c, the data in the Flash are written by a manufacturer, and the data are operated only when software needs to be upgraded in the future; d, when the system receives a request for building a file and writing in the file when operating, the data are written into the Eeprom. According to the power-down protecting method and system, through a new storage mechanism, data damage caused by power-down is avoided, data safety of the vehicle terminal system is greatly improved, and the fault rate of a vehicle terminal is effectively reduced.

The invention discloses a distributed redundant control system. According to the system, pump revolution speed is dynamically adjusted based on the pressure, flow, temperature and other variables of fluid so as to achieve an expected control objective. The product is composed of one central management and coordination unit and n distributed control units which are independent and redundant from one another and can run autonomously, wherein each unit is in whole-network information transmission and modular design; the central management and coordination unit is only responsible for managing andcoordinating the control units, and the right of control is handed over to each control unit; and the central management and coordination unit can perform cascading in the same network segment or across network segments. In a pressure-maintaining standby state based on a multi-variable weight algorithm, the system does not do idle work due to dynamic flow compensation. The system has the advantages of high reliability, high continuity, distributed running, strong extensibility and energy preservation, therefore, the defects that through a traditional central control mode, reliability is poor,and equipment overhaul requires shutdown and water supply cut-off are overcome, and the problems that water supply continuity is not high, and the scale is not large in the industry are solved. In this way, the after-sales service pattern in the current industry is changed, and after-sales cost is greatly lowered.

The invention discloses a method for upgrading application chips in electronic equipment. The electronic equipment comprises a processor, a memory and a plurality of application chips. The memory andthe application chips are connected with the processor. The processor is provided with a network interface. The method for upgrading the application chips in the electronic equipment comprises the following steps: the processor acquires an upgrading program through a network; and the upgrading program is written into the memory, so that the application chips read the corresponding upgrading program for upgrading. The invention further discloses the electronic equipment. According to the invention, the processor obtains the upgrading program through the network, stores the upgrading program inthe memory, and performs upgrading by reading the upgrading program in the memory when the application chips are reset, thereby achieving the beneficial effect of reducing the after-sales cost of an enterprise by upgrading the application chips in the electronic equipment through the network.

The invention provides an air conditioner control method and device, a storage medium and an air conditioner. The air conditioner control method comprises the steps that two or more air conditioner operation modes are set, and setup parameters of the air conditioner operation modes comprise appropriate population characteristics and / or suitable environment characteristics, and inner ring temperature compensation amounts corresponding to the appropriate population characteristics and / or the suitable environment characteristics; and response to the received set air conditioner operation modes ismade, and the air conditioner is controlled to operate according to the setup parameters of the set air conditioner operation modes. According to the technical scheme provided by the invention, the different air conditioner operation modes suitable for various populations or environments are set, the inner ring temperature compensation amounts in different modes are different, thus, the actual demands of various populations can be met, and user experience is good.

The invention discloses an automatic angle compensation calculation method for a stabilized platform. According to the method, processing, such as sampling, detection, position judgement, automatic generation of a new angle zero position and automatic storage of the new angle zero position is carried out on a rotation angle of an inertially stabilized platform through software in an embedded computer. The processing method automatically operates when the inertially stabilized platform is electrified, full automatic processing is achieved, manual intervention is not needed and the system maintenance difficulty is lowered. By adopting the automatic angle compensation calculation method disclosed by the invention, automatic compensation calculation of the angle zero position of the stabilizedplatform is carried out, so that the conflict that the angle zero position of a photoelectric stabilized platform is inconsistent with that stored in a computer board is avoided and the problem of interchangeability of the computer board and the photoelectric stabilized platform is solved.

The invention relates to the field of drinking equipment and discloses normal-pressure drinking equipment for a low-air-pressure environment. The normal-pressure drinking equipment comprises an evaporator, a superheater and a heat exchanger, wherein the evaporator heats water under normal pressure to form steam, the steam is further heated by the superheater under normal pressure, and the further heated steam is condensed into drinking water in the heat exchanger. The normal-pressure drinking equipment has the advantages that the equipment sterilizes the steam by reheating the steam, the reheating manner is different from conventional thought for increasing the water boiling point, the equipment does not need to be pressurized, potential safety hazard caused by a pressure container is avoided, corresponding pressurizing equipment and automatic control parts are omitted, and early production cost and later after-sale cost are reduced favorably; in addition, due to the fact that the equipment does not have internal pressure, the demounting difficulty of the equipment is low, and the internal water scales of the equipment can be eliminated conveniently.

The invention discloses a management system of data collection and cloud transmission intelligent control of water treatment equipment. The management system comprises a PLC controller, an adaptor, acloud platform server and a check terminal; the PLC controller is communicated and connected with the adaptor, the adaptor is communicated and connected with the cloud platform server, and the cloud platform server is communicated and connected with the check terminal; the PLC controller is used for reading related information of the water treatment equipment; the adaptor is used for forwarding information read by the PLC controller to the cloud platform server; the cloud platform server is used for processing the acquired data so as to obtain processing result data; and the check terminal isused for displaying the processing result data. The water treatment equipment is combined with an internet of things system, the information sharing between the equipment and a manufacture and betweenthe equipment and the terminal user can be accurately realized by collecting the related information of the water treatment equipment, thereby finally realizing the operation management, parameter management, water quality statistics, trouble removal and like intelligent control functions of the water treatment equipment.

The invention provides a capacitor ripple current protection device and method and an air conditioner. The capacitor ripple current protection device comprises a voltage sampling circuit, a ripple current calculation circuit and a protection circuit. The voltage sampling circuit is electrically connected to the ripple current calculation circuit. The ripple current calculation circuit is electrically connected to the protection circuit. The protection circuit is electrically connected to a rear stage circuit of acapacitor. The voltage sampling circuit is used for sampling the voltage of the capacitor. The ripple current calculation circuit calculates the ripple current of the capacitor according to the sampling voltage and the sampling time. The protection circuit is used to perform a protection operation when the ripple current is greater than a threshold. By setting the voltage sampling circuit, the ripple current calculation circuit and the protection circuit, the ripple current overcurrent protection is applied to the capacitor to prevent the ripple current of the capacitor from exceeding the safety threshold, thereby the safety of the capacitor is ensured effectively. Excessive ripple current leading to shortened or failed capacitor life is avoided, and the cost of production and after-sale cost of electric appliances are reduced.

The invention discloses a repair system and repair method based on an Android television. The repair system operates on a linux kernel; the repair system comprises a driving layer positioned on a bottommost layer, an event layer positioned on an intermediate layer, and an application layer positioned on an uppermost layer; the driving layer is used for providing a basic drawing function and is used for supporting operation of the event layer; the event layer is used for providing a UI function, collecting a user operation event and uploading the user operation event to the application layer; and the application layer is used for capturing and processing an input of a user and calling the event layer to output a UI operation interface. According to the repair system and the repair method which are disclosed by the invention, in a case that an android system cannot be started up, the system still can be started and repair a great quantity of problems, system logs can be captured, system information can be acquired, and the repair system and the repair method are convenient to solve the problems, so that return repair can be reduced, a repair rate after sale is improved, after cost is reduced, and convenience is also provided for the user to repair android bugs.

The invention provides a 3rd-generation (3G) network-based adaptive dialing method and a 3G network-based adaptive dialing system. The method comprises the following steps of: (a), initializing dialing information; (b), determining and identifying a current terminal operation network by using target network identification; and (c), generating dialing information of the current network by matching a preset rule. According to the method for adaptively configuring dialing parameters by the network identification provided by the invention, a user does not need to participate in the process of configuring dialing information, the abnormal use of a terminal caused by artificial misconfiguration is avoided conveniently and safely; complex links and procedures in production configuration are eliminated; production cost is saved; the safety of the function of the part which cannot be detected is improved; the producibility is improved; problem batch accident risks caused by the misconfiguration are reduced; repair rate is reduced; and after-sales cost is reduced.

The invention aims to provide an electric vehicle loop interlocking circuit and a diagnosis method thereof, which are used for quickly locking a fault point in an electric vehicle loop interlocking protection circuit so as to reduce the maintenance cost and improve the maintenance efficiency. The electric vehicle loop interlocking circuit is composed of an interlocking signal sending module, an interlocking signal receiving module, a plurality of interlocking switches used for detecting the state of a high-voltage component, and connecting resistors corresponding to the interlocking switches in number. The corresponding interlocking switches and the connecting resistors are connected in series to form branches, all the branches are connected in parallel to form a parallel circuit, one endof the parallel circuit is connected with the interlocking signal sending module, and the other end of the parallel circuit is connected with the interlocking signal receiving module; and the resistance values of the connecting resistors on the branches are different. According to the interlocking circuit and the diagnosis method thereof, the fault position can be quickly and accurately locked, maintenance personnel can conveniently check faults, after-sales cost is effectively reduced, and safety risks are avoided.

The invention relates to an automatic performance detection method and control device, an industrial robot and a storage medium. The industrial robot comprises a mechanical arm and a grabbing mechanism, wherein the grabbing mechanism is installed at the front end of the mechanical arm, when a to-be-detected product circulates to a test process outside an assembly line on the assembly line, after the mechanical arm and the grabbing mechanism grab and move the product to a detection table, the to-be-detected product is released to the detection table, so that the detection table outside the assembly line detects the to-be-detected product, the problem that an existing assembly line needs to be modified when test items are added in the prior art is solved, the purpose of adding the test itemswithout modifying the assembly line is realized, the technical effect of automatic detection is achieved under the condition that manual intervention is not needed, and the production efficiency is improved.

The invention discloses a switching power supply and an audio system based on IR2156, The switching power supply includes: an EMI filter circuit, a 220V rectifier circuit,a switching power supply half-bridge driving circuit, a power supply control circuit, an IR2156 current sampling detection circuit, a load current sampling detection and driving circuit and a mains voltage detection and temperature protection circuit. The switching power supply provided by the invention can solve the problem that the power amplifier is burned out due to the instability of the electric network of the user andthe uncertainty of the load, is not easy to cause the machine failure, and is automatically recovered, thereby reducing the maintenance times and the after-sale cost.