805 results about "Control card" patented technology

The invention relates to the technical field of electric vehicles, and particularly discloses a method for online estimating the capacity and health state of a battery pack based on random charging information, which comprises the following steps of: preliminarily estimating the capacity of the battery pack: selecting a charging section and utilizing an ampere-hour integral to estimate a model; temperature-based battery capacity correction: temperature data is corrected based on fuzzy Kalman filtering optimization algorithm processing, and because relatively large noise is inevitably generated after preliminary estimation, a fuzzy control algorithm is adopted to control observation noise of a Kalman filtering algorithm in real time, so that an estimation result is converged to a real trend; estimating and predicting the state of health of the battery: establishing an Arrhenius model based on the capacity attenuation of the battery pack to predict the service life of the battery; according to the method, the defect of inaccurate estimation of real-time measurement noise of a traditional Kalman filtering algorithm is effectively overcome, and the measurement noise is corrected in real time; the method is suitable for AI adaptive parameter adjustment models of different new energy heavy truck models, and is applied to state-of-health evaluation and life prediction of batteries.

The invention discloses an automatic focusing control method based on a displacement sensor, and relates to the technical field of motion control, and the method comprises the steps: collecting a distance signal of a detection target, and converting the distance signal into a physical distance value through a calibration coefficient; the motion control card performs difference operation on the physical distance value and the standard focusing distance to obtain a position deviation value, performs data smoothing processing by using a Kalman filtering algorithm, establishes a state prediction model by using latest N frames of cache data, generates position compensation data, converts the position compensation data into a pulse control quantity, and when the pulse control quantity exceeds a preset threshold value, outputs the position compensation data; generating a motor driving instruction according to a PID control algorithm; and controlling the stepping motor driver to drive the lens assembly to perform position compensation according to the motor driving instruction, so that a standard focusing distance is kept between the lens assembly and the detection target. According to the invention, the problems of response lag and poor anti-interference capability in a traditional automatic focusing system are solved, and the dynamic response characteristic and the control precision of the system are improved.

The invention relates to the technical field of laser precision machining, and particularly discloses a focus following control method and device for laser scribing. The method comprises the steps that processing parameters are set through upper software, and a two-way range finder is positioned; collecting material surface height data in real time, wherein analog voltage signals of the range finder and distance values are mapped according to a quantitative conversion relation; dynamically compensating the focus height deviation based on a PID algorithm; a voice coil motor is driven by a bus motion control card to adjust the position of a focus lens, and motor displacement and pulse are converted according to 10000 pulse / mm; and forward / reverse scribing respectively adopts independent range finder data to eliminate control lag errors. The device correspondingly comprises a two-way distance measuring module, a data processing module, an axis control module and a bus motion control card supporting multi-channel expansion. According to the invention, bidirectional ranging is combined with PID closed-loop control, and the line width error is controlled to be less than or equal to 20 [mu] m; 24-path synchronous focusing is supported, the focusing period is smaller than or equal to 10 ms, and the machining speed is larger than or equal to 2000 mm / s.

The invention discloses an LPBF additive manufacturing system and method based on ultrasonic vibration and laser remelting, and the system comprises a control device which is used for setting process parameters and a process route, generating a user input parameter instruction, and transmitting the user input parameter instruction to a motion control card; the mechanical device is used for controlling the lifting of the powder cylinder and the working cylinder through a driving device and controlling the cyclic operation of powder feeding and returning of the scraper; the laser device is used for completing laser remelting under the assistance of ultrasonic vibration; the ultrasonic device is used for transmitting ultrasonic waves to a workpiece on the sintering disc through an ultrasonic concentrator and carrying out ultrasonic vibration assistance; the dust removal and passivation device is used for filtering micro powder generated in the laser cladding process, oxidizing the outer surface of the metal micro powder and passivating the metal micro powder; and the atmosphere device adopts argon as atmosphere gas. According to the method, ultrasonic vibration after powder laying and ultrasonic vibration assisted laser remelting are achieved in the LPBF process, the defects existing in the traditional LPBF process are overcome, and a novel and effective technology is provided for additive manufacturing.

The invention relates to a flexible combined machine tool control system. The system comprises a multi-channel user interface module, a servo parameter monitoring module, a workpiece coordinate system management module and the like. The multi-channel user interface module is associated with a work station by means of a dynamic binding technology, automatically generates an interactive interface according to configuration parameters and visually configures an enabling state. And the servo parameter monitoring module displays and adjusts the shaft motion parameters in real time and adjusts the shaft motion parameters on line, the deviation is corrected through a self-adaptive algorithm, coordinate synchronization of multiple workstations is achieved through the algorithm and a batch writing function, and mixed analysis of an NC program and a user-defined instruction is supported. The hardware abstraction layer module encapsulates a heterogeneous control card interface, dynamically allocates hardware resources, and coordinates time sequence linkage of each part by using a state machine model. The system also combines visual inspection to correct cutter compensation parameters, and double safety protection is set. According to the invention, the problem of low equipment cooperation efficiency in multi-station flexible processing is effectively solved, and the system compatibility and the processing precision are improved.

The present invention discloses a galvanometer control communication system, a communication method and a laser device of a laser device, wherein the communication method comprises: a marking control card sends data in frames that conform to a preset protocol format to the galvanometer; the galvanometer identifies the type identification character in each frame of data from the received data, and if it is a first type identification, the position information is determined according to the frame data, and sent to the digital analog conversion chip of the galvanometer to convert the position information into a drive instruction, and send it to the actuator of the galvanometer; if the type identification character is identified as a second type identification, the corresponding control command is determined according to the frame data, and the control command is defined as a request for information to be transmitted back to the galvanometer end; in response to the control command, the galvanometer sends the information requested to be transmitted back in the control command to the marking control card. The communication method of the present invention takes into account both the control of the galvanometer position and the monitoring of the galvanometer working state.

The invention discloses a control system of an SMT high-speed chip mounter based on EtherCAT, which takes a PC industrial personal computer as an EtherCAT master station, takes a cabinet comprehensive control card, an XY axis and head flight camera servo drive controller and a head Z axis and R axis servo drive controller as EtherCAT slave stations, and is characterized in that the master station is connected with each slave station in a series topology form of an EtherCAT bus; the multi-axis motion control system has the technical advantages of multi-axis motion control real-time performance, high data transmission rate and high whole machine intelligence at the same time, and more efficient and more accurate electronic component assembly is achieved.

The invention discloses a laser marking control card and a laser processing system, and the control card comprises a kernel module and a bus interconnection module connected with the kernel module. The control card is also provided with an input power interface for receiving an external 24V direct-current power supply, an Ethernet interface for being connected with external EtherCAT equipment, an EtherCAT interface for being connected with an industrial personal computer and a serial port for debugging; the control card is also provided with a galvanometer control interface, a motion shaft control interface and a shaft limiting interface; wherein the galvanometer control interface is connected with a galvanometer, the motion axis control interface is connected with a motion platform, and the laser interface is connected with a laser for real-time synchronous linkage control. Aiming at the problems of an existing laser marking control card, high integration and real-time synchronous linkage of motion control, galvanometer control and laser control are achieved through the integrated control card, and the speed, precision and intelligent level of laser processing are remarkably improved.

The invention relates to the technical field of road detection, in particular to a multifunctional municipal road crack detection device which comprises a sweeping board, a detection mechanism is arranged at the top end of the sweeping board, the detection mechanism comprises a damping tube mounted above the sweeping board, a pressing rod slides in the damping tube, a probe is arranged at the bottom end of the pressing rod, and the probe is connected with the sweeping board. Dust and sundries around a crack are removed through a dust suction pump, the accuracy of measuring the depth of the crack through a probe is improved, an operator pulls a grip manually, the depth of the crack is accurately measured through scale marks on a damping pipe, data support is provided for repairing work, meanwhile, a pressing rod and damping liquid are used for pushing a push rod in a sleeve to move, and the repairing efficiency is improved. The position of the blocking plate is adjusted, the pigment flow is accurately controlled, the color depth is marked according to the crack depth, the severity of the crack is visually reflected, clamping of the clamping block and the clamping strip is controlled through air pressure change when the dust suction pump works, the probe is prevented from being damaged due to collision, the service life is prolonged, and the maintenance cost is reduced.

The present application relates to the technical field of vehicle braking, and provides an electric parking control method and system, an electronic device, and a storage medium. According to the solution, a vehicle driving signal is measured on the basis of the current vehicle state; when the current vehicle state is a parking obstruction state, the system determines, on the basis of a vehicle door signal, a vehicle speed signal, and a caliper signal, whether a state switching condition occurs; if the state switching condition has occurred, the vehicle state is switched to a vehicle sliding state; and when the vehicle state is switched from the parking obstruction state to the vehicle sliding state, it indicates that the driver has a get-off intention and a parking operation is not being performed or cannot be performed on a vehicle at this time, an electric parking instruction is sent to control calipers to clip so as to perform parking control on the vehicle. In this way, the vehicle can be actively parked in situ when the driver forgets to press an electric parking brake button, so that the vehicle sliding phenomenon is effectively avoided, thereby improving the safety of the vehicle, and improving the driving experience of the driver.

The utility model relates to an intelligent control torque tube feeding and assembling device which comprises a base, an adjusting assembly, a lifting assembly and a check block assembly. An adjusting assembly, a lifting assembly and a check block assembly are arranged on the base, the adjusting assembly comprises a first adjusting set, a second adjusting set and a third adjusting set, and the first adjusting set and the second adjusting set can adjust the position of a chuck so that the chuck can clamp a torque tube. The torque tube is driven by the first lifting set and the second lifting set to vertically lift the torque tube upwards to a specified height, and then the chuck is controlled to rotate in the third direction, so that the torque tube is adjusted in the axial direction, a mounting hole in the torque tube is matched with the photovoltaic panel, and locking of a fastener is facilitated. In the whole process, automatic adjustment of lifting and position adjustment of the torque tube is achieved through cooperation of all the components, the position adjustment steps in the torque tube installation process are fully reduced, and the installation efficiency of the torque tube is improved.

The utility model provides a cone crusher control system, and belongs to the technical field of crusher control. The cone crusher control system comprises a first control card, a second control card, a third control card, a master control card, a communication module, a plurality of sensor acquisition modules, a plurality of crusher driving modules and a plurality of protection modules, the master control card is respectively connected with the first control card, the second control card and the third control card; the master control card communicates with an upper computer through the communication module; the second control card is respectively connected with the first control card and the third control card; the first control card is respectively connected with the plurality of sensor acquisition modules; the second control card is respectively connected with the plurality of crusher driving modules; and the third control card is respectively connected with the plurality of protection modules. The problem of low crushing efficiency can be solved.

The invention discloses a laser powder bed melting additive manufacturing system and method based on ultrasonic vibration assistance, and the system comprises a control device which is used for setting process parameters and a process route, generating a user input parameter instruction, and transmitting the user input parameter instruction to a motion control card; the mechanical device is used for controlling the lifting of the powder cylinder and the working cylinder through a driving device and controlling the cyclic operation of powder feeding and returning of the scraper; the laser device is used for completing laser cladding operation; the ultrasonic device is used for transmitting ultrasonic waves to a workpiece on the sintering disc through an ultrasonic concentrator and carrying out ultrasonic vibration assistance; the dust removal and passivation device is used for filtering micro powder generated in the laser cladding process, oxidizing the outer surface of the metal micro powder and passivating the metal micro powder; and the atmosphere device adopts argon as atmosphere gas. According to the method, ultrasonic vibration is achieved in the LPBF process, the defects of pores, incomplete fusion, unfavorable inclusions, cracks and the like in the traditional LPBF process are overcome, and a novel and effective technology is provided for additive manufacturing.

The invention discloses an SAM card control system and method, the system comprises a to-be-controlled SAM card module, a device terminal and a card issuing bank background server, and the module comprises an SAM card and an NFC unit; when the relative distance condition is met, the equipment terminal establishes near field communication connection with the NFC unit and sends a record reading command; the module determines the NDEF file according to the command and feeds back the NDEF file to the equipment terminal; based on the NDEF file, the device terminal generates an unlocking request and sends the unlocking request to the issuing bank background server when judging that the operation type is an unlocking type, so that the issuing bank background server generates an unlocking ciphertext according to a preset mode and transmits the unlocking ciphertext when verifying that the unlocking request meets an unlocking condition; and when receiving the unlocking ciphertext, the equipment terminal generates an unlocking command and sends the unlocking command to the module based on the preset NFC unit label read-write software and the unlocking ciphertext, so that the module updates the authorization information of the SAM card according to the unlocking command. And through an online unlocking mode, the processing time and the money cost are saved.

The invention relates to a display system, a display data transmission method and a serial-to-parallel converter. The display system comprises a display control card and N cascaded display modules, the display control card comprises a programmable logic module and a serial-to-parallel converter; the serial-to-parallel converter is used for performing signal conversion processing on the M paths of serial data signals according to a preset data coding rule to obtain N * P paths of parallel data signals corresponding to the N groups of cascade display modules, and transmitting the N * P paths of parallel data signals to the N groups of cascade display modules through N * P paths of parallel data transmission channels; by introducing the serial-to-parallel converter, the resource limitation of the programmable logic module in the aspect of the number of pins is effectively relieved, the interface pressure caused by directly driving a large number of display modules is avoided, and the expandability and the design flexibility of the display system are improved. And meanwhile, the stability and the high efficiency of data communication between the display control card and each cascade display module are effectively guaranteed.

The invention provides a high-speed laser-induced breakdown spectral imaging device and method. The high-speed laser-induced breakdown spectral imaging device comprises an optical fiber laser, a marking table, a high-speed scanning galvanometer, a flat-field scanning lens, a dichroic spectroscope, a laser isolation head, a focusing lens, a high-speed spectrograph, a delay pulse generator, an electronic control card and a computer. The electronic control card is connected with the computer, the fiber laser, the high-speed scanning galvanometer and the delay pulse generator; the delay pulse generator is connected with the high-speed spectrometer; the high-speed spectrometer is connected with the computer; geometric centers of the high-speed scanning galvanometer, the dichroic spectroscope and the laser isolation head and a straight line where laser is located are on the same straight line; and a flat field scanning lens is arranged below the high-speed scanning galvanometer. By applying the technical scheme, the task of single-point laser emission sampling exceeding 10000 Hz and dot matrix data acquisition exceeding 2000 Hz can be completed.

The invention provides a time stretching Fourier transform optical frequency comb morphology measurement system and method. The time stretching Fourier transform optical frequency comb morphology measurement system comprises an optical frequency comb OFC, an interferometer module, a dispersion optical fiber module, a signal detection module and a synchronous control module. An optical frequency comb (OFC) provides an incident light beam for the interferometer; the interferometer module obtains an interference signal of the measured object by adjusting the length of the single-mode optical fiber; the dispersion transmission module performs time stretching on the interference signal through a single-mode optical fiber to generate a time domain interference signal; a signal detection module captures the stretched time domain interference signal, and solves the morphology parameters of the measured object through a time-frequency transformation algorithm; the synchronous control module drives the two-dimensional displacement platform bearing the measured object through the motion control card and triggers synchronous acquisition and storage of three-dimensional shape data of the measured object. The method has enough high precision in morphology measurement, and the detection speed of the method can meet the requirements of industrial real-time detection.

The invention discloses an integrated galvanometer laser projection method and an integrated galvanometer laser control device. The integrated galvanometer laser projection method comprises the steps that 1, a control card stores various data in a classified mode; when an upper computer issues a system parameter instruction, a communication interface is automatically switched according to a communication mode of the upper computer, and instruction data is analyzed and stored in an EEPROM (Electrically Erasable Programmable Read-Only Memory); 2, after the upper computer issues an instruction, the control card cooperatively controls the on-off state of the laser light source and the deflection angle of the laser galvanometer, and the position and the focal length of the lens are adjusted; 3, positioning an instruction according to a target point of the upper computer; the control card cooperatively controls the laser and the galvanometer to coarsely position the center of the target; and performing fine positioning on the center of the target by taking the target point obtained by coarse positioning as an initial reference position. The integrated galvanometer laser control device has the advantages that the environmental adaptability, the control precision and the operation convenience of the integrated galvanometer laser control device are remarkably improved.

The invention relates to the technical field of numerical control machine tools, and provides a numerical control laser cutting and punching compound machine tool and a control method thereof.The numerical control laser cutting and punching compound machine tool comprises a machine tool body structure and a controller, and the machine tool body structure comprises a workbench, a four-axis linkage portal frame, a quick die changing assembly and an anti-interference system; a conveying mechanism is arranged on the top face of the workbench, a dust cover is arranged at the top of one end of the workbench and arranged on the upstream of the workbench in the conveying direction, a four-axis linkage portal frame is arranged in the dust cover, a controller is fixedly installed on the side wall of the dust cover, and the bottom end of the four-axis linkage portal frame is fixedly connected to the two sides of the top face of the workbench. A moving assembly is arranged on a cross beam of the four-axis linkage portal frame; the quick die changing assembly is arranged on one side of the cross beam; the anti-interference system comprises a plurality of echelette gratings and a plurality of motion control cards. Laser cutting and stamping are cooperatively processed, so that the overall efficiency is improved; and a dynamic anti-interference system avoids interference and collision of parts, and the machining continuity is improved.

The invention discloses a laser equipment communication method and laser equipment for realizing galvanometer position control and state monitoring, and the communication method comprises the steps: a marking control card of the laser equipment sends frame data conforming to a preset protocol format to a data communication module of a galvanometer, and if a first type identifier and an X-axis identifier exist in the received frame data, the first type identifier and the X-axis identifier exist in the data communication module of the galvanometer; if yes, analyzing position information for driving the galvanometer to move in the X axis, and sending a driving instruction to an X-axis driving motor; if the identification is the first type identification and the Y-axis identification, position information for driving the galvanometer to move in the Y-axis direction is analyzed, and a driving instruction is sent to a Y-axis driving motor; if the identification is the second type identification and the X-axis identification, analyzing operation information requesting to return to an X-axis end, and sending the operation information to the marking control card; and if the identification is the second type identification and the Y-axis identification, analyzing the operation information requesting to return to the Y-axis end, and sending the operation information to the marking control card. According to the communication method, control over the position of the galvanometer and monitoring over the working state of the galvanometer are both achieved.

The utility model discloses a small sheet metal stamping part deburring device through laser scanning, which comprises a control cabinet, the upper end of the control cabinet is fixedly connected with a first mounting rack, a Y-axis driving assembly is arranged in the first mounting rack, and the upper end of the first mounting rack is fixedly connected with a multi-point vacuum chuck clamp. According to the metal plate stamping part machining device, a metal plate stamping part can be clamped through the vacuum pump and the multi-point type vacuum suction cup clamp, the laser scanning sensor can be driven to move through the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly, and therefore various size information of the metal plate stamping part can be scanned through the laser scanning sensor; the position coordinate information for driving the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly is generated, a motion control card of a PCI interface installed on the processor can send control signals to a servo driver in the motion control card, servo motors of the X-axis driving assembly, the Y-axis driving assembly and the Z-axis driving assembly are driven, and therefore the driving motors are driven to polish the edge of the sheet metal stamping part.

The invention discloses a laser etching dust extraction flight following system and a control method, and relates to the technical field of thin film solar cell manufacturing. The following system comprises a focusing dust extraction module, a following driving module, a cooperative control unit and a negative pressure dynamic adjusting module. The cooperative control unit comprises a following PLC controller and a motion control card, the following PLC controller synchronously obtains path planning information from a galvanometer flight system of a laser beam and generates a displacement instruction, and the displacement instruction is sent to a following driving module through the motion control card; and the following driving module and a galvanometer scanning module of the galvanometer flight system are synchronously triggered, and the following driving module moves according to the displacement instruction and controls the center of the dust extraction cover body and the etching point of the laser beam to coaxially move in a following manner. The method is low in dust removal efficiency and series resistance, good in parameter stability, low in equipment maintenance cost and suitable for processing large-size thin film batteries such as perovskite and cadmium telluride.

The invention discloses an automatic zoom lens control system and method, and belongs to the technical field of semiconductor packaging test automation equipment. Wherein the lens module comprises a lens structure assembly and a motor structure assembly, the lens structure assembly comprises a lens, the motor structure assembly comprises a rotor, a coil and a stator, and the rotor, the coil and the lens are rigidly connected together and do axial movement at the same time; the control module comprises an industrial personal computer, a motion control card and a driver, the motion control card and the driver are in communication connection with the industrial personal computer, and the motion control card is used for executing motor motion planning and calculating the output quantity of the position loop improved two-order reduction linear active disturbance rejection controller. According to the automatic zoom lens control system and method, the lens is controlled to zoom automatically, clear images of chips with different heights on the weldment are obtained, and it is guaranteed that the zoom device is high in precision and high in automatic zoom speed while automatic zoom is achieved.

The utility model belongs to the technical field of light-emitting diode (LED) display screens, and particularly relates to an LED display screen and a display system capable of displaying pictures in a self-adaptive rotating mode, which comprise an LED display module, a system power supply box and a bottom shell. The LED display module is arranged on the bottom shell, and the system power supply box is arranged between the LED display module and the bottom shell; the back surface of the LED display module further comprises a probe; the probe is connected with the system power supply box; the system power supply box further comprises a contact groove and a control card. And the contact groove is connected with the control card. According to the LED display screen, after the directions of the unit modules are changed, automatic identification is achieved without human intervention, and picture adjustment is completed immediately without waiting.

The utility model provides an LED display screen control system. The LED display screen control system comprises a plurality of control cards which are electrically connected in sequence through high-speed signal interfaces; each control card is provided with a multimedia signal interface and a control network signal interface; wherein the multimedia signal interface of the first control card is connected to a multimedia signal source, and the control network signal interface of the first control card is connected to a network signal source; and the multimedia signal interface and the control network signal interface of one or more control cards between the first control card and the tail control card are suspended. The data can be adaptively controlled and displayed, so that any control card has the functions of a sending card and a receiving card, dependence on the sending card in the prior art is removed, a large number of network cables do not need to be used for being connected with the screen body, the number of wires in the screen body is reduced, and the redundancy of the control system is increased.

The invention discloses a wafer clamping device and a wafer post-processing device, wherein the wafer clamping device comprises a clamping claw for clamping a wafer, a lifting assembly connected to the clamping claw, and a driving mechanism; the lifting assembly comprises a lifting mechanism and an opening and closing mechanism, the lifting mechanism is used to support the wafer, and the opening and closing mechanism is used to control the clamping claw to clamp or release the wafer; when the driving mechanism causes the lifting assembly to descend, the lifting mechanism supports the wafer to descend while the opening and closing mechanism causes the clamping claw to clamp the peripheral portion of the wafer; when the driving mechanism causes the lifting assembly to ascend, the lifting mechanism supports the wafer to ascend while the opening and closing mechanism causes the clamping claw to release the peripheral portion of the wafer. The wafer post-processing device comprises a wafer clamping device, a turntable, a supply unit for conveying a fluid, and a retaining ring arranged around the turntable.

The invention provides a technology capable of properly controlling the clamping force of a chuck. A machine tool includes a spindle that includes a chuck for clamping a workpiece, and acquires a clamping force of the chuck on the workpiece in a closed state on the basis of a magnitude of a difference between a first time and a second time when the chuck is brought from an open state to a closed state by an opening / closing means closing the chuck, the first time is the time from when the control unit sends a control signal of a closing operation to the opening and closing unit to when the sensor detects that the chuck is no longer in the open state, and the second time is the time from when the control unit sends the control signal to the opening and closing period to when the sensor detects that the chuck is in the closed state.

The embodiment of the invention discloses a modularized bidirectional converter and a phase locking method thereof. The bidirectional converter comprises a conversion circuit composed of a plurality of modules. Each module corresponds to one module control card; the first end of the conversion circuit is connected with a direct-current traction network, and the second end of the conversion circuit is connected with an alternating-current power grid; the system control card is configured to perform phase locking on the alternating current power grid to obtain a first phase in a later slow start stage, and synchronize the first phase to the module control card, so that the module control card controls the output voltage of the module based on the first phase; the post slow start stage represents that the voltage of the direct current side bus of the conversion circuit is buffered to a first threshold value, and the slow start stage comprises the post slow start stage; the module control card is configured to perform phase locking on the alternating current power grid in a non-slow start stage to obtain a second phase and control the output voltage of the module based on the second phase; in the non-slow start stage, it is characterized that grid connection is completed on the alternating current side of the bidirectional converter, and the module control card can sample the state of the alternating current.

A cabin for a truck, the cabin comprising a cabin door, to provide access for a user to an interior of the cabin; an exterior surface, which is accessible from outside the cabin when the cabin door is closed; a window, positioned at a window height; and a control panel, comprising a plurality of controls, each control being configured to be operated by the user to control an equipment of the truck, wherein the control panel is secured to the exterior surface at a control panel height, equal or inferior to the window height, so that the controls can be operated by the user when the user stands outside of the cabin and with the cabin door closed.

The invention discloses a galvanometer control communication protocol of laser equipment, a communication method and the laser equipment. The communication method comprises the following steps that: a marking control card sends data which conforms to a preset protocol format and takes a frame as a unit to a galvanometer; the galvanometer identifies a type identification character in each frame of data from the received data, if the type identification character is a first type identification, position information is determined according to the frame of data and sent to a digital-analog conversion chip of the galvanometer, so that the position information is converted into a driving instruction, and the driving instruction is sent to an execution mechanism of the galvanometer; if the type identification character is identified as a second type identification, a corresponding control command is determined according to the frame data, and the control command is defined as information requesting to be transmitted back to the galvanometer end; and in response to the control command, the galvanometer sends information requested to be returned in the control command to the marking control card. According to the communication method, control over the position of the galvanometer and monitoring over the working state of the galvanometer are both achieved.