442 results about "Microcomputer control" patented technology

The invention discloses a wearable optical sensor glove, a system, a gesture recognition method and an article recognition method. Comprising a customized flexible glove body, a flexible circuit board, a photoelectric detector, a flexible force-induced luminescence optical fiber, a multipath gating device and a single-chip microcomputer control module. Wherein the customized flexible glove body is made of a flexible material; the flexible circuit boards are arranged on finger parts and a hand back part of the glove; the photoelectric detector is mounted in the finger region and is electrically connected with the multi-path gating device; the flexible force-induced luminescence optical fiber is fixed on the photoelectric detector in each finger region; the multi-channel gating device and the single-chip microcomputer control module are also integrated on the flexible circuit board on the back of the hand and are electrically communicated with each other. The system has good anti-interference performance, and can realize the functions of high-speed dynamic detection, article identification and the like.

The invention provides a wide-voltage intelligent control large-current contactor. Comprising a wide voltage control module which is composed of a rectifier bridge, a voltage acquisition module, a single-chip microcomputer control system and a DCDC conversion module and is used for converting input AC / DC voltage into stable 24VDC output; the wide-current control module is used for controlling the coil to start, the contactor can be in a working state even if power failure occurs, the stability of a power grid is ensured, and the device can be applied to the fields of uninterruptible power supply control cabinets, photovoltaic energy storage, power grid distribution and the like.

The invention provides a common-antenna zero-power-consumption Internet of Things terminal energy management system based on radio frequency energy taking, which comprises a radio frequency antenna, a radio frequency energy taking module, a rectification energy storage module, a low-frequency wake-up module, a backscatter communication module and an MCU control unit, in the MCU control unit, a single-chip microcomputer controls the on-off of a power supply of a sensor through a sensor power supply control pin; a power supply of the sensor and a radio frequency switch of the backscatter communication module are switched on only in a wake-up state, and only power supply to a wake-up pin is reserved in the single chip microcomputer; through a three-layer architecture of energy capture, energy control and energy application, the terminal equipment is completely separated from battery dependence. The system constructs a closed-loop energy management system for energy collection, storage, scheduling and dormancy, the scheme is suitable for the field of passive Internet of Things with strict requirements on power consumption, cost and deployment flexibility, and a feasible solution is provided for an Internet of Things terminal.

The invention discloses a food safety pretreatment and detection device and method, and relates to the technical field of food detection.The device comprises a box body, a control module, a pretreatment module and an ATP biological fluorescence detector, the control module is integrated on the box body, and the pretreatment module is integrated on the box body; the control module comprises a microcomputer control system, a visual operation panel, a nixie tube display and a key regulator; the pretreatment module comprises a concentrator for purging and concentrating a sample, a centrifugal machine for separating the sample, a uniform mixing instrument for uniformly mixing the sample and a water bath kettle for performing constant-temperature incubation on the sample; the ATP biological fluorescence detector is integrated in the box body and is used for carrying out microbial pollution detection on the food contact surface; the control module is suitable for adjusting and controlling operation parameters through the key adjuster when any unit in the concentrator, the centrifugal machine, the blending instrument or the water bath kettle operates, and the operation parameters are displayed on the visual operation panel in real time. The invention further provides a detection method, and on-site, rapid and intelligent food safety detection is achieved.

The invention provides an optimization control method for improving the energy efficiency ratio of the load of a multi-machine-head water chiller-heater unit, which comprises a first compressor system, a second compressor system and a control cabinet, the first compressor system and the second compressor system are both provided with corresponding power meters and microcomputer control modules, and the power meters and the microcomputer control modules are used for detecting the system power. The system further comprises an evaporator, a condenser, a temperature sensor, a flow meter and a pressure sensor, the temperature sensor, the flow meter and the pressure sensor are arranged on corresponding pipelines, the temperature sensor, the flow meter and the pressure sensor are all connected with the microcomputer control module, and differential loading and unloading strategies are adopted according to the load difference of the compressor. The operation parameters corresponding to the optimal COP are screened through multi-cycle iteration, and energy efficiency maximization under partial loads is achieved. The problem that in the prior art, when a multi-machine-head unit runs in a partial load mode, the energy efficiency is low due to lack of fine coordination control is solved, and the energy-saving potential of the unit is remarkably improved.

The invention discloses a motorcycle self-adaptive vehicle lamp system based on an inertial element, and relates to the technical field of self-adaptive vehicle lamps, the system comprises an inertial sensing module, a vehicle lamp angle control module, a brightness adjusting module and a single chip microcomputer control unit; the inertia sensing module obtains the roll angle delta phi of a vehicle body, the y-axis acceleration and the vehicle speed through a gyroscope and a speed sensor. The vehicle lamp angle control module drives a vehicle lamp to rotate around an x axis and a y axis by using double steering engines, and dynamically adjusts the light axis of the vehicle lamp; the brightness adjusting module senses the environment illumination intensity by means of a light sensor and linearly adjusts the vehicle lamp brightness; the single-chip microcomputer control unit integrates inertia sensing data and illumination data and outputs a steering engine control signal and a brightness adjusting signal, self-adaptive adjustment of the motorcycle lamp along with the posture of a motorcycle body and ambient illumination is achieved, and the safety and the illumination effect of the motorcycle during night driving are improved.

The invention provides a highway maintenance safety operation cooperative prevention and control system integrated with a four-prevention and one-hiding technology. According to the system, the safety of road maintenance operation is improved. The early warning control module is connected with the remote sound-light-electricity early warning unit, the upstream guardrail early warning unit, the forward anti-mistaken-running unit and the lateral anti-mistaken-running unit through the Internet of Things and the single-chip microcomputer control technology, an operation area is monitored in real time, social vehicles are prevented from mistakenly running into the operation area, and the operator safety monitoring module is connected with the early warning module in real time through intelligent wearable equipment. An early warning signal is sent to an operator to remind the operator to avoid risks in time, and the cooperative control module fuses real-time data of all the modules, carries out global target optimization decision, adjusts the working state and ensures cooperative and efficient operation of all the modules. Through the combination of four-prevention and one-hiding technologies, the safety of road maintenance operation is effectively improved, the risk of accidents is reduced, and the operation efficiency is improved.

The invention discloses a supersonic orchard gas explosion deep scarification fertilizer applicator which comprises a crawler-type movable chassis, a gas explosion generating device, an air pressure and fertilization adjusting device, a control device, a soil bulk density detection device, a sensor intelligent detection device and the like. The gas explosion generating device comprises an air compressor, a gas tank, a high-pressure gas pipe and an electromagnetic valve, gas generated by the air compressor is stored through the gas tank, and the electromagnetic valve controls release of the high-pressure gas. The air pressure and fertilization adjusting device comprises an electromagnetic valve, a soil bulk density detection device, a sensor intelligent detection device and a control platform, and the soil bulk density detection device is installed on the crawler-type movable chassis and used for detecting the thickness of a soil compaction layer and determining the deep scarification depth and the air explosion pressure; the sensor intelligent detection device comprises a moisture sensor, a temperature sensor, a nitrogen phosphorus and potassium sensor, a single chip microcomputer control module and a communication module, and the sensors are used for detecting the moisture, temperature and nitrogen phosphorus and potassium content of soil, so that the proper fertilization amount is determined.

The invention relates to the technical field of fatigue detection, and discloses a microcomputer-controlled fatigue test device which comprises a workbench, a turntable and a limiting mechanism are installed on the workbench, the turntable is driven to rotate, the limiting mechanism is fixedly connected to the workbench and located in a hole in the center of the turntable, and a swing mechanism is installed on the turntable. The swing mechanism is installed at the eccentric position of the rotating disc, a first installation block capable of swinging is arranged on the swing mechanism, the first installation block extends to the position over the limiting mechanism, one end of a cable to be detected is installed on the first installation block, and the other end of the cable to be detected is installed on the limiting mechanism; through cooperation of the swing mechanism and the rotating disc, the cable is initially vertically arranged, and the swing mechanism and the rotating disc can drive the vertically arranged cable to carry out torsion test, bending test and bending and torsion superposition test, so that the detection of the cable can better fit the use environment of the cable; and the accuracy of data testing is improved.

The invention provides a multi-sensor adaptive anti-interference working well environment detection system and method, and the system comprises a single-chip microcomputer control panel, a temperature and humidity monitoring sensor, a four-in-one combustible gas detector, a dust particle detector, a differential pressure transmitter, and a cloud server. The temperature and humidity monitoring sensor, the four-in-one combustible gas detector, the dust particle detector and the differential pressure transmitter are in circuit connection with the single-chip microcomputer control panel, the single-chip microcomputer control panel is in wireless communication with the cloud server, the detection method dynamically adjusts the weight distribution of the sensor through the feature level attention module, a lightweight neural network and a hard redundancy check rule are combined, and the detection accuracy is improved. Compared with the prior art, the method has the advantages that the low false alarm rate is kept, the model size is low, and the method is suitable for industrial field deployment.

The utility model belongs to the technical field of switching power supplies, and relates to a single-chip microcomputer control-based battery internal resistance detection circuit, which is characterized in that a single-chip microcomputer I / O1 port and a single-chip microcomputer I / O2 port respectively give high-level control signals in an extremely short time to control the discharge of a battery, when a power supply starts a battery internal resistance detection function, firstly, the I / O1 is made to be at a high level, Q13 is conducted, PC1A is conducted, and the Q13 is turned on; the secondary side PC1B of the optocoupler is conducted, the Q12 is driven, the battery is subjected to large-current discharging through the R61 and the Q12, the voltage at the two ends of the battery is tested to be U1, I / O1 and I / O2 are conducted at the same time after millisecond-level discharging is conducted, the R61 and R65 start parallel discharging at the moment, the voltage U2 at the two ends of the battery can be obtained, and the voltage U2 of the two ends of the battery can be obtained through the voltage difference value and the current difference value of two times of measurement. According to the utility model, the internal resistance of the battery can be easily calculated according to the Ohm law, and the problems that the internal resistance test of various batteries is inaccurate on the premise of different discharge curves, and the internal resistance test precision of the battery is influenced by the height of discharge platforms of different batteries due to the increase of the internal resistance of the battery can be solved.

The invention relates to a visual on-load voltage regulation tap switch control system, device and medium, which comprises a single chip microcomputer control circuit, the single chip microcomputer control circuit is connected with a signal processing circuit and a power supply circuit, and the signal processing circuit is connected with a voltage zero cross detection circuit, a voltage sensor and a data acquisition unit. The voltage zero-cross detection circuit, the voltage sensor, the data acquisition unit and the power supply circuit are all connected with the isolation reduction transformer, and the isolation reduction transformer is connected with the low-voltage side voltage of the distribution transformer; the single-chip microcomputer control circuit is further connected with a switch position sensor, a communication circuit, a switch drive circuit and a thyristor trigger circuit. The communication circuit is in communication connection with a remote computer through an RS485. The method has the advantages of realizing automatic voltage regulation conversion, stabilizing voltage, accurately setting visual parameters and realizing non-impact voltage regulation.

The utility model discloses a photodiode dark current testing device, comprising an LED lamp, a light shield, a dual-channel power supply, a desk type universal meter, a one-chip microcomputer control board and a multi-channel test board, the light shield is covered on the multi-channel test board, the multi-channel test board is provided with PD sockets having the same number as the channels of the multi-channel test board, and the PD sockets are connected with the desk type universal meter. The PD socket is composed of a 4P socket and Y-shaped sockets arranged side by side. After the scheme is adopted, the efficiency is greatly improved through multi-channel testing, and the vertical pins can be automatically tested through the design of the Y-shaped socket.

The invention discloses a control starting system of a hybrid mower. Relates to the field of generators and solves the problem that an existing mower is highly dependent on a storage battery. The generator is started through a pull disc, the output end of a charging coil of the generator is connected with a generator rectification module, alternating current is converted into direct current, then the direct current is transmitted to a power supply DC-DC conversion module, and the direct current is supplied to a single-chip microcomputer and a driving execution unit through voltage stabilization processing and charges a storage battery. The auxiliary power supply module receives the rectified direct current and converts the rectified direct current into multi-level stable low-voltage power to meet various peripheral requirements; the generator rotating speed acquisition module acquires and converts rotating speed signals and provides data support for single-chip microcomputer control. When the storage battery is normal, the system can be started to operate, the power supply DC-DC conversion module replaces a traditional rectifier to charge the storage battery, and continuous operation is guaranteed; and when the storage battery is lack of electricity or damaged, after the pull disc starts the generator, the rectification module, the DC-DC conversion module and the auxiliary power supply module work cooperatively, so that operation interruption is avoided, and the emergency operation capability is improved.

The invention discloses an optical multichannel gas sensor based on an NDIR principle, and relates to the technical field of infrared gas sensors. The device is composed of an infrared absorption light system composed of an infrared light source, a gas chamber and a four-channel thermopile detector, a light source voltage stabilization modulation circuit, a thermopile weak signal conditioning circuit, a high-precision analog-to-digital conversion circuit and a single-chip microcomputer control and communication circuit system. The device achieves the functions of compact structure and real-time measurement of various gases; a low-noise zero-drift self-stabilization signal processing circuit is realized, a low-power-consumption 24-bit # imgabs0 # sampling circuit is designed, accurate real-time digital signals can be obtained without a complex data processing algorithm, the design has the characteristics of wide range, high precision, good stability, long service life, miniaturization and the like, various types of gases can be measured by replacing a sensor end, and the measurement accuracy is high. The problems that a traditional infrared optical gas sensor is high in cost, large in size, inconvenient to carry, long in detection result time consumption and prone to environmental interference are solved.

The invention belongs to the field of coding machines, and provides a coding machine electric control system based on single-chip microcomputer development, which comprises a single-chip microcomputer control module used as a control core of the system and used for receiving various input signals and outputting control instructions; the sensor module is used for detecting whether a coded article reaches a preset coding position or not and sending a detection signal to the single chip microcomputer control module; the execution mechanism is used for driving the code printing head to complete code printing action according to the control instruction of the single chip microcomputer control module; the image recognition module is arranged at the position adjacent to the code printing area and used for collecting the image of the object to be printed after code printing and recognizing whether the code printing position and content deviate from a preset standard or not; the calibration feedback module is used for sending the code printing offset information recognized by the image recognition module to the single chip microcomputer control module; and the delay control module is arranged in the single chip microcomputer control module and is used for dynamically adjusting a coding delay parameter or a displacement compensation parameter of an execution mechanism according to the received coding offset information.

The invention discloses an intelligent real-time dynamic precise laser weeding method and device, and relates to the field of laser weeding, and the weeding device comprises an image acquisition module, a processor, a laser reflector, a single-chip microcomputer control module, an IMU sensor, a high-precision encoder and the like. Wherein the image acquisition module is used for acquiring field crop and weed images, the processor processes the acquired crop and weed images based on an LW-YOLO model, extracts weed position coordinate information, and performs optimal planning on a laser scanning path; the laser reflector is used for controlling the laser to irradiate a target position through the rotation of the laser reflector; the single-chip microcomputer control module is used for controlling the phase voltage of the brushless motor, transmitting a command issued by the processor to the sensor and the execution mechanism, and improving the positioning precision of the motor through an FOC algorithm. The weeding precision and efficiency are remarkably improved, the waiting time during static weeding is shortened, and the advantages of high precision and high efficiency are achieved.

The wearable wireless transmission multi-channel gastric electric signal acquisition system comprises an electrode signal input module, an analog front-end circuit, an analog-to-digital conversion module, a single chip microcomputer control and feedback module, a wireless transmission module, terminal equipment and a power supply module, the analog front-end circuit comprises a front input amplifier, a second-order active band-pass filter and a voltage-stabilizing buffer amplifier; the characteristics of extremely low amplitude and low frequency of a stomach electric signal are considered, a fully differential input and differential three operational amplifier circuit is used as an input stage, and the signal is amplified by thousand times, so that the magnitude that a subsequent circuit can well process is achieved, and the precision and the stability of the system are improved. And the signal sequence is further filtered and denoised through a second-order active low-pass direct-current anti-aliasing filter and a second-order active high-pass filter, so that the integrity of the signal is ensured. And secondly, the signal becomes stable through a low-power voltage-stabilizing amplifying circuit, so that the ADC sampling circuit can effectively sample the gastric electric signal at a relatively high sampling frequency.

The utility model discloses a power supply overvoltage protection device for distribution network automation equipment, which belongs to the technical field of power grids and comprises a power supply protection device. According to the power supply overvoltage protection device, through the arrangement of the heat dissipation and dust prevention mechanism, the service life of the power supply overvoltage protection device is prolonged, when the power supply overvoltage protection device is used, the power supply protection device can dissipate a large amount of heat, ventilation is carried out through the ventilation window, and the power supply overvoltage protection device is very convenient to use. The temperature sensor senses the internal temperature, when the temperature is too high, the temperature sensor sends out a signal, the single chip microcomputer controls the fan to work, the fan blows air and is matched with the cooling fins to dissipate heat, and therefore the heat dissipation effect is greatly improved, and when the wiring hole is not used, the connecting plate is rotated downwards, and under the action of the movable block, the connecting plate can be rotated downwards, so that the heat dissipation effect is greatly improved. And the rubber plug on the connecting plate is inserted into the wiring hole, so that dust is prevented from entering the wiring hole to damage the device.

The invention relates to a circuit and a method for suppressing LMX2594 integer boundary stray, the circuit comprises a variable reference circuit, a radio frequency output circuit and a single chip microcomputer control circuit, the radio frequency output circuit and the single chip microcomputer control circuit are connected with the variable reference circuit, a first LMX2594 works in a fractional frequency division mode, a second LMX2594 works in an integer frequency division mode, and the single chip microcomputer control circuit is connected with the variable reference circuit. The VCO output frequency of the second LMX2594 is an integral multiple of the output frequency of the variable reference circuit, the integral multiple is used as an integer variable, and the output frequency of the variable reference circuit and a decimal part obtained by dividing the output frequency of the variable reference circuit by the crystal oscillator frequency are determined; and by adding one to the value of the integer variable, cyclic judgment is realized until the product of the decimal part and the frequency of the crystal oscillator is greater than or equal to ten times of the loop bandwidth of the variable reference circuit, and the singlechip sets the corresponding integer variable as the integer frequency division value of the second LMX2594 according to the judgment result. According to the variable reference circuit, the value of the integer variable is converted, so that the output frequency of the variable reference circuit is changed, and the aim of suppressing the integer boundary stray of the LMX2594 output signal is fulfilled.

The invention discloses a marine shore power winch overspeed alarm device and an alarm method. The device comprises a pulse acquisition unit, a control signal input unit and a single-chip microcomputer control unit, and further comprises an LED alarm display unit, an alarm parameter setting unit and an alarm relay trigger unit which are respectively connected with the single-chip microcomputer control unit, the pulse acquisition unit is connected with the single-chip microcomputer control unit and can transmit a pulse signal to the single-chip microcomputer control unit for data processing and judgment, and whether overspeed alarm and abnormal cable laying alarm are triggered or not is judged. The control signal input unit is also connected with the single-chip microcomputer control unit and transmits signals of the last two circles of the cable of the shore power winch to the single-chip microcomputer so as to trigger alarming of the last two circles. The ship shore power winch has the advantages that the operation safety of the ship shore power winch is remarkably improved, and the stability and safety of a ship power system are ensured; the system has multiple alarm modes and flexible alarm parameter setting, and can provide reliable safety guarantee in various complex working environments.

The present application relates to the field of intelligent switch power supply technology, and provides a single-live-wire novel WIFI DC power supply. The single-live-wire novel WIFI DC power supply comprises: a DC power supply input circuit, the DC power supply input circuit including a magnetic latching relay KA, the magnetic latching relay KA having an open state and a closed state; a farad capacitor charging circuit; a WIFI module circuit; and a single-chip microcomputer control circuit, the single-chip microcomputer control circuit being used to detect the voltage of the DC power supply input terminal Vin and the relay input circuit and control the WIFI module circuit to switch the state of the magnetic latching relay KA. The single-live-wire novel WIFI DC power supply provided by the present application can improve the problem in the related art that the wifi smart switch only has a software reset function, cannot automatically reset when the farad capacitor is out of power, and may cause abnormal startup operation.

The invention discloses an automobile seat temperature control system based on a single chip microcomputer. Temperature adjustment on the surface of an automobile seat is achieved through a semiconductor refrigeration technology. The system comprises a single-chip microcomputer control module, a temperature measuring circuit, a temperature setting and displaying circuit, a semiconductor chilling plate driving circuit and a PID control algorithm. The temperature measuring circuit reads the current seat temperature through a digital temperature sensor and adjusts the working state of the semiconductor chilling plate through a PID control algorithm to reach the set target temperature. The system solves the problem that a traditional automobile seat is uncomfortable to sit due to heat insulation, the thermal comfort of passengers can be remarkably improved, and the system is environmentally friendly and efficient.

The utility model discloses a kind of optical multi-channel gas sensors based on NDIR principle, it is related to infrared gas sensor technical field;By infrared light source, air chamber, four-channel thermoelectric detector composition infrared absorption light system, light source voltage stabilizing modulation circuit, thermoelectric weak signal conditioning circuit, high-precision analog-digital conversion circuit, single-chip microcomputer control and communication circuit system composition, the utility model realizes compact structure, the function of the real-time measurement of multiple gas;Realize low-noise zero drift self-stable signal processing circuit, design low-power 24-bit sampling circuit, accurate real-time digital signal can be obtained without complex data processing algorithm, the utility model design has the characteristics such as wide range, high precision, good stability, long life, miniaturization, simultaneously replace sensor end can measure multiple types of gas, solve the problem that traditional infrared optical gas sensor is high in cost, bulky inconvenient to carry, detection result is time-consuming long precision is susceptible to environmental interference.

1. The name of the design product: microcomputer control electronic universal testing machine (300KN). 2. The use of the design product: the design is used for testing the mechanical properties of various non-metals, metals and composite materials. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

To provide a battery monitoring system, a battery monitoring device, and a voltage measurement device that can reduce a synchronization shift in measurement timing.SOLUTION: A battery monitoring system according to an embodiment includes: a current measurement device that measures a current in a battery to output a current value; a voltage measurement circuit that measures a voltage in the battery; a first microcomputer that controls the voltage measurement circuit; a voltage measurement device including a first wireless communication unit that wirelessly outputs a measured voltage value; a second wireless communication unit that wirelessly communicates with the first wireless communication unit; and a battery monitoring device including a second microcomputer that receives the current value and the voltage value. The second microcomputer outputs a current measurement request signal to the current measurement device after the lapse of a first time based on an output signal from the second wireless communication unit. The first microcomputer exerts control such that the voltage measurement circuit measures the voltage after the lapse of a second time synchronized with the first time based on an output signal from the first wireless communication unit.SELECTED DRAWING: Figure 2B

The invention discloses an air detection and purification device based on single-chip microcomputer control, and relates to the technical field of air detection and purification, the air detection and purification device comprises an inner box fixedly connected to the inner wall of a box body, a partition plate fixedly connected to the inner wall of the inner box, and a filtering mechanism located on the partition plate; the filtering mechanism comprises a swinging water spraying unit, a replacing unit, a feeding unit and a discharging unit. Through the arrangement of the replacement unit, a motor drives a reciprocating screw rod to rotate, the reciprocating screw rod rotates to drive a reciprocating shaft sleeve to reciprocate, when the reciprocating shaft sleeve moves towards the motor, the reciprocating shaft sleeve moves a fixed block and a rotating block to move, and when the rotating block makes contact with a strip-shaped block, the rotating block drives a rotating frame to rotate through the strip-shaped block; and the rotating frame rotates to drive the filtering barrel to rotate until the rotating frame and the filtering barrel stop rotating, so that the prepared activated carbon is automatically replaced, and the air purification effect is improved.

The present invention discloses a detection fixture and a detection method for the CODE code of an electrochemical sensor. Among them, the detection fixture includes a connector module, a single-chip microcomputer control module, and a resistance measurement module. The connector module is electrically connected to the single-chip microcomputer control module. The connector module is used for plugging in the electrochemical sensor to be tested. By turning on the electrical path of the electrochemical sensor to be tested, it automatically triggers the single-chip microcomputer control module to start working. The single-chip microcomputer control module is provided with a CODE detection algorithm corresponding to the logic circuit of the electrochemical sensor to be tested, which is used to obtain the electrical signal on the logic circuit of the electrochemical sensor and convert the obtained electrical signal into a CODE code value through the CODE code detection algorithm. The resistance measurement module is connected to the logic circuit of the electrochemical sensor to be tested and is used to measure the resistance value of the logic circuit of the electrochemical sensor to be tested. The present invention realizes the simultaneous detection of the accuracy rate of the CODE code of the electrochemical sensor and the resistance value of its electrode structure, and improves the detection efficiency.

The utility model relates to a lithium battery charger with a switch anti-aging function, which comprises a detachable shell, a connecting cable and a charging main control board, the detachable shell comprises an upper shell and a lower shell which are detachably connected, the two sides of the upper shell and the two sides of the lower shell are respectively provided with a heat dissipation long groove, and the upper shell and the lower shell are buckled to form a bayonet; the power supply input end of the charging main control board is connected with the charging output end through the DCDC conversion circuit and the output control circuit after passing through the rectification filter circuit, the input end of the single-chip microcomputer control circuit is connected with a charged battery, and the output end of the single-chip microcomputer control circuit is connected with the DCDC conversion circuit and the output control circuit. According to the charger shell design, the safe and good heat dissipation effect can be achieved, assembly, disassembly and maintenance are convenient, the output control circuit of the charger shell utilizes a pair of N-channel MOS to replace a relay, limitation of the number of times of use is eliminated, the problem of contact oxidation is avoided, and on the basis that output control and isolation are achieved, the service life of the charger shell is prolonged. The problems of high aging speed of parts and short service life of the whole machine are solved.

The utility model relates to the technical field of microelectronic processing, in particular to a circuit board dispensing and drying device for microelectronic processing, which comprises a bottom plate, a first support plate, a second support plate, a first through groove, a baking lamp, a storage battery, a temperature sensor and a single chip microcomputer. The temperature of the baking lamp is increased, so that the temperature of a cavity formed among a first connecting plate, a first supporting plate and a second supporting plate is increased, and when the temperature is increased to a threshold value of a temperature sensor, the single-chip microcomputer reduces discharge of the storage battery to the baking lamp, so that the temperature in the cavity is stably kept at a proper temperature for drying the circuit board; then the circuit board is placed on the conveying belt and driven by the first motor to enter the cavity, so that drying of the circuit board is achieved, the scheme that the circuit board is dried through the baking lamp can effectively avoid the problem of glue position deviation occurring when an air heater is used for drying, and therefore the drying effect of the device on the circuit board is improved; and the subsequent maintenance cost of the circuit board is reduced.