119results about How to "Easy for after-sales maintenance" patented technology

The invention relates to a C302-model gateway control unit characterized in that a C302 model adopts a bus structure with three CANs (Controller Area Networks) comprising a power CAN, a comfortable information CAN and an instrument diagnosis CAN, and the speeds are respectively 500K, 100K and 500K; a single gateway is designed as a route distribution center of messages and signals according to the Baud rate differences of the signals and the sharing and demands of the signals on each CAN; the route transformation is carried out on the messages with different speeds, the signals are packed and unpacked, and meanwhile, the route distribution center is also the network managing and monitoring center of each CAN bus; the time, the priority and the like of the information interaction among CAN systems are reasonably distributed; the evolution of the bus network from one CAN to a plurality of CANs and from an non-independent gateway to a central gateway is necessarily realized by a route device, and in other words, the development of the gateways is the necessary product for the updating and the function clarification of a network topology, thereby reducing the bus load rate of each subnetwork.

The invention provides a connection piece and a refrigerator adopting the same and can solve the problems of complex parts and low production takt resulted from screw connection and the problem of frequent maintenance resulted from infirm connection. The technical scheme includes that the connection piece comprises a fixing portion and a connection portion which are provided with elastic fastening structures, a partition portion is arranged between the fixing portion and the connection portion, the fixing portion comprises a fixing portion body fixedly connected with the partition portion and elastic fasteners on two sides of the fixing portion body, and the connection portion comprises 1-2 fastening claws. A connection scheme replacing screws is provided, and the connection piece is simple in structure, convenient to mount and capable of effectively solving the problem of low efficiency caused by frequent screwing on a refrigerator production line, so that the production takt is increased and product cost is saved for enterprises.

The invention provides a vertical air conditioner, which comprises a hanging assembly, an outer machine case, a rotating component and a base, wherein the hanging assembly is arranged at the top of the vertical air conditioner and comprises a motor installing plate, a driving motor and a gear transmission mechanism, the motor installing plate is arranged in the vertical air conditioner, the driving motor is arranged on the motor installing plate, the gear transmission mechanism is connected with the shaft end of the driving motor, the outer machine case is connected with the gear transmission mechanism and comprises an air inlet panel and an air outlet panel, the rotating component is connected with the outer machine case, and the base is arranged under the rotating component. The motor of the vertical air conditioner is arranged at the top of the vertical air conditioner, and the position of the motor is higher than that of the existing motor, so the problem that water easily enters the motor is solved, the effect of safety in use is reached, and in addition, the motor is convenient to repair and replace. The vertical air conditioner also has the advantages that the rotating structure is novel, the rotating effect of the outer machine case and an air inlet/outlet is good, in addition, the vertical air conditioner is stable to work, and the production efficiency is high.

The invention discloses a plastic shell structure. The plastic shell structure comprises a plastic shell and a PET composite decorative film attached to the inner side surface of the plastic shell. The PET composite decorative film comprises a PET substrate, and the PET substrate comprises a fitting surface and a decoration surface. The decoration surface of the PET substrate is provided with an ink printing layer, a UV grain layer and an optical coating layer in sequence; the optical coating layer of the PET composite decorative film is provided with an LDS antenna. The invention also discloses a manufacturing method of a plastic shell structure. The large-area waterproof and dustproof antenna manufactured in the plastic shell solves the industrial problems that the surface of the fragmented and dispersive electronic component assembly structures in a traditional 3C electronic product plastic shell has no enough space to design a 5G signal antenna, and when the antenna is made at thesurface of the plastic shell, the product appearance decoration effect is influenced, the antenna is easy to be damaged to cause whole damaging of the product and difficult to maintain. The plastic shell structure has glass or ceramic appearance effects, is light and fashion and novel in appearance, and is anti-fall and waterproof.

The invention discloses a method for locomotive anticollision using on-board optical detection mechanism combining with auxiliary image pickup. The method comprises the following steps: extracting image information of calibration zones of a steel rail track and an entrance through the on-board optical detection mechanism and an auxiliary image pickup mechanism; analyzing and determining extracted image information; and controlling operation of a locomotive. The invention also discloses a device for locomotive anticollision using on-board optical detection mechanism combining with auxiliary image pickup. A detection base station formed by far infrared or CCD and image identification, data processing, fault early warning, and consist information sending technologies, and full coverage detection of rail tracks without blind areas is realized. The ground detection base station is static, and aims at the detected zone of steel rail track to determine whether an external object invades. The device sends fault instructions and monitoring images to the locomotive through a wireless bridge technology, so as to realize locomotive anticollision. The device can still detect required safety distances at night and in rainy, snowy, and foggy weather conditions, and provides important guarantee for traffic safety.

The invention provides a diagnosis method of a natural gas engine supercharger control system. The method is used for diagnosing an air source pipeline, a pressure reducer and a supercharger control valve of the control system, and comprises the following steps that working conditions of an engine are judged; when the engine is located in preset working conditions not influencing normal operationof the engine, the following diagnosis operations are carried out: a duty ratio of the supercharger control valve is set as 0; the air source pipeline and the pressure reducer are diagnosed based on the air source pressure provided to the supercharger control valve and acquired outlet pressure discharged by the supercharger control valve; and under the condition of determining no fault of the airsource pipeline and the pressure reducer, the duty ratio of the supercharger control valve is adjusted, and the circulating characteristics of the supercharger control valve are diagnosed based on theoutlet pressure of the supercharger controller after each adjustment. The invention further provides a diagnosis system of the natural gas engine supercharger control system. The faults of related parts can be timely removed to achieve after-sales maintenance.

The invention discloses a method for locomotive anticollision using on-board optical detection combining with wireless bridge communication. The method comprises the following steps: a ground detection mechanism obtaining image information along the railway; transmitting the information to a train on-board device in the region through wireless bridge; and the train on-board device receiving processed image information and generating a control command and controlling a locomotive. The invention also discloses a device for locomotive anticollision using on-board optical detection combining with wireless bridge communication. Communication among acquisition devices and an on-board control device along the railway is realized through the wireless bridge. The device and the method determine whether steel rails are covered by barriers, so as to realize locomotive anticollision. The device and the method can still detect required distances ensuring safety at night and in rainy, snowy, and foggy weather conditions. The device can operate in all weathers, and provides important guarantee for traffic safety.

The invention provides an air conditioner communication fault detection method and system.The method comprises the steps that when a communication fault occurs during the operating process of an air conditioner, a fault signal of the air conditioner is detected; whether the fault signal accords with a preset external unit fault signal and a preset internal unit fault signal or not is judged; if the fault signal accords with the preset external unit fault signal, it is determined that a control device of an external unit of the air conditioner breaks down; if the fault signal accords with the preset internal unit fault signal, it is determined that a control device of an internal unit of the air conditioner breaks down; if the fault signal does not accord with the preset external unit fault signal or the preset internal unit fault signal, whether a communication line is normal or not is determined according to whether signal transmission exists on the communication line or not.According to the air conditioner communication fault detection method and system, the communication fault occurrence position is accurately located according to the preset external unit fault signal and the preset internal unit fault signal, the problem that the control device of the internal unit or the external unit is replaced blindly cannot occur, convenience is brought to after-sales maintenance, and the after-sales maintenance efficiency and accuracy are improved.

The invention discloses washing equipment with an auxiliary cleaning function. The washing equipment with the auxiliary cleaning function comprises an equipment body and an auxiliary cleaning unit arranged on the body, wherein the auxiliary cleaning unit comprises a washing tank and a water outlet formed in the bottom of the washing tank; the auxiliary cleaning unit further comprises a siphon drainage pipe arranged outside the washing tank and communicating with the water outlet; the water outlet end of the siphon drainage pipe is connected with an equipment drainage pipe through an on-off mechanism; and when the equipment drainage pipe drains water, the on-off mechanism is closed. According to the washing equipment with the auxiliary cleaning function, the on-off mechanism for preventingerroneous drainage is installed between the siphon drainage pipe and the equipment drainage pipe, when the washing tank normally drains water, the on-off mechanism is not affected by atmospheric pressure, and waste water can normally drain through the on-off mechanism; when the on-off mechanism is affected by negative pressure, the on-off mechanism is closed, and the siphon drainage pipe cannot generate siphon effect at the moment, so that erroneous drainage is avoided. A physical mode is adopted in the structure of the on-off mechanism to prevent erroneous drainage, separate circuit control is not required, reliability is high, the structure is simple and reliable, and the production cost is simultaneously reduced.

The invention relates to a detection circuit and a detection method for an output signal of a pressure sensor. The detection circuit is characterized by comprising a singlechip, a detection circuit and a pressure sensor circuit, wherein the detection circuit receives the output signal of the pressure sensor, the signal is transferred to the singlechip after being processed by the detection circuit, and the singlechip confirms the input signal by a detection method. The detection method comprises a filter conversion period and a singlechip detection confirming processing period; and the singlechip detection confirming processing period includes five mutually correlative sub-periods consisting of a washing water level detection period, a washing pump fault detection period, a filter screen blocking detection period, a static water pressure reading period and a filter screen blocking processing period. The detection circuit and detection method for output signal of pressure sensor has the advantages of being capable of preventing a heating tube being burned without water caused by the fault of the washing pump, so that safety of a dish-washing machine is enhanced, and the fault of the dish-washing machine is prompted so as to be convenient to maintain; therefore, the dish-washing machine can operate more humanly and intelligently, the wash rate of the dish-washing machine is enhanced, the heating tube can be prevented being burned without water caused by the complete blocking of the filter screen, and the safety of the dish-washing machine is improved.

The invention relates to an internet of things system used in a water purification device. The internet of things system comprises a cloud server, a device terminal arranged on the water purificationdevice, and a client terminal for a client, wherein the device terminal comprises a purified water volume sensor, a sold water volume sensor, a heating controller, a water purifier detection module, an ozone sterilizing controller and a water using control module, the cloud server comprises an operation management module, an after-sale management module, a financial management module and a messagemanagement module, and the client terminal comprises a client module, a service provider module, a manager module, an operator module and a financial staff module. The internet of things system brings convenience to users, and enables the users to recharge and report the loss of the card at any time and any place; an investor can learn the background data more accurately and delivers an after-sale maintenance service conveniently; the user can report after-sale maintenance on the system, then the internet of things system dispatches staff according to the repair report condition, so that a problem of checking first and reporting repair then is solved; and the internet of things system can control the device remotely, so that the device can be maintained conveniently.

The invention provides a control circuit and a control method capable of performing power failure self-detection. The circuit comprises a switching power supply circuit, a controller, a communicationdevice, an abnormality control circuit, a standby power supply circuit and a first detection circuit. The switching power supply circuit is electrically connected with a power supply, the abnormalitycontrol circuit, the first detection circuit and a voltage switching circuit. The voltage switching circuit is electrically connected with the standby power supply circuit and the controller. The controller is electrically connected with the first detection circuit and the abnormality control circuit. The communication device is electrically connected with the switching power supply circuit and the standby power supply circuit. The controller is in communication connection with a user terminal through the communication device. The abnormality control circuit is electrically connected with thepower supply and the standby power supply circuit. The first detection circuit is used for detecting first output end voltage of the switching power supply circuit and outputting the first voltage. The controller determines a working state of the switching power supply circuit according to the first voltage, and outputs high level or low level. The abnormality control circuit controls on and off of the power supply circuit based on the first voltage and high level/low level.

The invention relates to a duct type air conditioner and a wall-mounted air conditioner. The duct type air conditioner comprises fan components. Each fan component comprises a centrifugal fan blade and a volute; a first air outlet and a second air outlet are formed in different sides of each volute; and the centrifugal fan blades rotate in the volutes, so that air is supplied to the first air outlet and the second air outlet at the same time. According to the duct type air conditioner provided by the invention, by arranging the centrifugal fan blades in the volutes and designing the two air outlets, bidirectional air discharging is achieved, and accordingly bidirectional heat exchanging is achieved. Furthermore, the fan components and heat exchanger components are detachable and in free fit, after-sales maintenance is facilitated, and the air conditioner using comfort is improved.

The invention discloses a traffic carrier rearview mirror washing windscreen wiper and relates to a mirror face washing device of a traffic carrier. The device comprises a support, a motor, a scraper plate, a lens and a mirror shell. The support is fixed on the back face of the lens. The motor is fixedly arranged in the support. A power output shaft of the motor and a driving crank are fixed. The other end of the driving crank is hinged to a connecting rod. The other end of the connecting rod is hinged to a driven crank. A rotating shaft of the driven crank penetrates through the lens, and the end of the driven crank and the lower end of the scraper plate are fixed by 90 degrees. A scraping face of the scraper plate is attached to the front face of the lens. A washing liquid nozzle is arranged on the inner side of the edge of the mirror shell. According to the device, safety is achieved, the danger that on rainy days, raindrops are attached to the mirror face so that a driver cannot see a rearview mirror clearly is avoided, life safety and property safety are protected, the appearance is simple, the structure is simple, the shortcomings of an electric heating mode and waterproof liquid coating are overcome, raw materials used by the product are easy to get, and great convenience is provided for after-sale maintaining and replacing.

The invention discloses a knot disengaging mechanism and method of a knotter. The knot disengaging mechanism of the knotter comprises a knotter jaw and a tool rest, a long groove is machined in the circular-arc-shaped ridge of the knotter jaw, the matching surface of the tool rest with the circular-arc-shaped ridge of the knotter jaw is provided with a protrusion, and the protrusion is matched with the groove and can move along the groove. According to the knot disengaging mechanism and method of the knotter, optimization and improvement are conducted on the tool rest and the knotter jaw part, an original knot disengaging mode is changed, mutual contact friction of the tool rest and the knotter jaw is avoided in the knot disengaging process, and the purposes of reducing abrasion of related structures and forcefully disengaging a knot are achieved. The use reliability of the knotter is improved, the assembly difficulty is reduced, the interchangeability of parts is improved, and the knot formation rate of the knotter is guaranteed. The knot disengaging mechanism and method of the knotter are mainly applied to the field of knotter application.

The invention discloses washing equipment with an auxiliary washing function. The washing equipment comprises an equipment body and an auxiliary washing unit which is arranged on the equipment body, wherein the auxiliary washing unit comprises a washing tank, and a water filling opening which is formed in the bottom part of the washing tank and a siphon water draining pipe which is arranged at theouter part of the washing tank and is communicated with the water filling opening; a three-way pipe is arranged at the bottom part of the water filling opening; the three-way pipe is respectively connected with a water inlet end of the siphon water draining pipe and a water inlet pipe of the washing tank; the water filling opening is used as a water outlet and a water inlet of the washing tank atthe same time; a water outlet end of the siphon water draining pipe is connected with an equipment water draining pipe through an on-off mechanism, and the on-off mechanism is switched off when the equipment water draining pipe is in water draining. According to the washing equipment disclosed by the invention, the on-off mechanism for preventing water drainage by mistake is arranged between thesiphon water draining pipe and the equipment water draining pipe, water drainage by mistake can be prevented by adopting a physical mode, independent circuit control is not required, the reliability is high, the structure is simple and reliable, and meanwhile, the production cost is reduced.

The invention provides a protection frame assembly (1) which comprises a containing structure (11) capable of containing an annular structure, and an installation base (12) arranged at the bottom of the containing structure (11) and used for supporting the containing structure (11) and fixing the protection frame assembly (1). The containing structure (11) comprises a cambered surface section (111) similar to or the same as the peripheral contour of the annular structure, and two straight face side walls (112) located at the two ends of the cambered surface section (111). A locking structure (113) used for locking the annular structure is arranged on at least one straight face side wall (112). By means of the protection frame assembly, an annular structure, especially a magnetic ring, can be effectively and stably fixed and can be prevented from swinging or even falling; in addition, the production efficiency is greatly improved; disassembling and assembling are convenient, and after-sales repair can be conveniently conducted. The invention further relates to an air conditioner with the protection frame assembly.

The invention discloses a run-through shaft assembly capable of realizing power separation, and relates to the field of automobiles. The run-through shaft assembly comprises an output shaft and a rearcover bearing pedestal, and further comprises a first bearing, a differential lock with a shifting fork, a sliding mesh sleeve, a second bearing, a gasket, a locknut and an output flange; a spline ofthe output shaft is arranged in a rear axle shaft gear; the first bearing is arranged between the output shaft and a rear cover bearing pedestal; the second bearing is arranged between the output shaft and the output flange; the sliding mesh sleeve is connected with the output shaft and the output flange through the spline; an oil seal is arranged between the output flange and the rear cover bearing pedestal; the differential lock with the shifting fork is mounted on the rear cover bearing pedestal; the output shaft is separated from the output flange; and the differential lock with the shifting fork controls the movement of the sliding mesh sleeve to realize the connection and disconnection between the output shaft and the output flange to control the connection and disconnection of power to a rear axle. The problems that an existing run-through shaft assembly cannot control the connection and disconnection of the power to the rear axle and a run-through shaft structure is poor in bearing capability and inconvenient in after-sales repair are solved.

The invention discloses a washing machine fault checking method. The checking method comprises the following steps that a mode of a washing machine is detected for selecting a trigger signal, and an operation mode is determined according to the trigger signal selected on the basis of the mode; when the washing mode is selected, the accumulated washing frequencies are recorded, and the washing process inside washing frequencies is monitored in real time; if fault alarm is generated in the washing process, a fault code corresponding to a fault is stored; when the checking mode is selected, the washing frequency and the fault code corresponding to the washing frequency are obtained and displayed. According to the washing machine fault checking method, after-sale repair can be convenient, the maintenance efficiency is improved, and time and labor are saved. The invention further discloses a washing machine adopting the checking method.

The invention discloses a plug valve of a novel ignition structure and relates to the technical field of gas equipment. The upper end of a valve body is fixedly connected to a valve seat through a bolt, a valve element is movably inserted and fixed to an inner cavity of the valve body, a pulling block is fixedly connected to the outer side wall of the upper end of the valve element in a clamping manner, a limiting plate is fixedly connected to the outer side wall of the bottom end of a rotating shaft in a clamping manner, the rotating shaft is inserted and fixed to an inner cavity of the valveseat through the limiting plate, the bottom end of the rotating shaft is inserted and fixed to an open slot in the upper end of the valve element, a connecting spring I is fixedly mounted between thepulling block and the limiting plate, and an igniter is fixedly mounted in the inner cavity of the valve seat through a bolt. In a pushing rotating process of the rotating shaft, the limiting plate is pushed to push to rotate to strike the igniter, so that the igniter works to generate a current, and then the rotating shaft is loosened to reset to rotate a small fire position anticlockwise so asto finish a working process of the plug valve. The quantity of accessories is reduced effectively, the product is simple in structure and easy to process, and the plug valve is low in manufacturing cost and convenient in after-sales repair.

The invention discloses an integration module capable of being prefabricated and an air conditioner unit including the integration module. The integration module capable of being prefabricated comprises a module component set, a pipeline, an electrical line and an electrical box joint, wherein the pipeline, the electrical line and the electrical box joint are related with the module component set.The integration module is provided with multiple pipeline connectors and an electrical connector, the integration module is prefabricated in an offline manner, the prefabricated integration module isassembled and fixed to a unit base, and the air conditioner unit is modularly assembled with the integration module capable of being prefabricated. According to the air conditioner unit, through theintegration module, the integration module can be modularly prefabricated in the offline manner, meanwhile modular assembly is carried out in an online manner, the unit assembling efficiency can be effectively improved, during after-sales repair, the module in failure only needs to be directly taken out, maintaining is carried out, and the maintaining convenience is improved.

The invention discloses a compressor system and a compressor frequency detecting and modulating method. The compressor system comprises an electric quantity detecting device, a control device and a compressor, wherein the electric quantity detecting device is connected with the power line of the compressor system, and is used for detecting the frequency of the compressor system and generating frequency signals; and the control device is connected with the electric quantity detecting device and the compressor, and the control device can be used for displaying the values of the frequency signals and controlling the frequency of the compressor according to the frequency signals. Due to the application of the technical scheme provided by the invention, real time detection and displaying for compressor frequency are achieved, equipment is not required to be dedicatedly arranged for detecting the frequency of the compressor, compressor abnormity or failure can be avoided, and control over the running frequency of the compressor can also be performed.

The invention is suitable to be applied in the remote control technology field, and provides a remote control decoding process, a device and a television. The process comprises the following steps that receiving two continuous impulse interrupts, judging the time interval of the two impulse interrupts, and transferring the relative decoding program according to the time interval of the two impulse interrupts which are judged. The invention judges the time interval of the two impulse interrupts according to receiving the two continuous impulse interrupts, and transfers the relative decoding program according to the time interval of the two impulse interrupts, which leads the decoding program of the television to decode two codes simultaneously, and provides great conveniences for the after-sale maintenance of the television which uses one of codes.