140results about How to "Avoid frequent switching" patented technology

The invention discloses a low-frequency ice melting device for a distribution network power transmission line. A power supply module receives electric energy from a transformer and processes the electric energy; the rectifying unit is used for converting power frequency alternating current into direct current; the inversion unit is used for converting direct current into low-frequency alternating current; the information acquisition unit is used for acquiring the line temperature and the icing thickness on the icing line and feeding back the line temperature and the icing thickness to the control unit; the control unit is used for receiving the electric energy, calculating output power and output current according to the parameter information, the line temperature and the icing thickness, generating an ice melting instruction, executing the ice melting instruction and adjusting the output power and the output current; and the cooperative ice-melting switch is controlled according to the ice-melting execution instruction, wherein the inversion unit outputs low-frequency alternating current to the ice-coated line. Low-frequency alternating current is applied to a power transmission line of a distribution network, the ice melting distance is increased, three-phase simultaneous symmetric ice melting is achieved, the asymmetric pole falling phenomenon is avoided, frequent switching is avoided, and the working efficiency is greatly improved.

The embodiment of the invention discloses a trunk optical fiber protection method, device and equipment and a readable storage medium, which can solve the problems of invalid switching and frequent switching of a trunk optical fiber and improve the system performance. The trunk optical fiber protection method comprises the steps that PON port state information is established based on a PON protection group, the PON protection group comprises at least two PON ports, the PON port state information at least comprises a main PON port state and a standby PON port state, the main PON port is a currently working PON port, and the standby PON port is a currently non-working PON port; detecting and updating the states of the main PON port and the standby PON port based on the detection of the uplink optical signals of the main PON port and the standby PON port when the ONU in the at least one ONU corresponding to the PON protection group is confirmed to be online; and under the condition that the state of the main PON port is abnormal, controlling the execution of main and standby switching of the main optical fiber based on the state of the standby PON port.

The invention discloses a high-power bidirectional double-path direct current input automatic switching control method and device, and relates to the technical field of power supply control, and the device is internally provided with a controller, an inverter circuit, a voltage sampling assembly, a driving circuit and two paths of direct current input branches with the same structure, the two direct-current input branches are arranged between the direct-current input end and the inverter circuit in parallel, each direct-current input branch comprises a slow start assembly, a forward conduction assembly and a reverse conduction assembly, and forward conduction and reverse conduction of the branches can be achieved; according to the technical scheme, when one of the preceding-stage double-path direct-current power supply branches breaks down in use, the other power supply branch can be rapidly switched, continuous work of the high-power power conversion device is guaranteed, the device achieves the slow-start power-on function through the slow-start assembly, and the power supply efficiency is improved. The reverse conduction assembly and the direct current connection assembly between the power supplies are used for achieving the function of restraining the voltage rise of the direct current bus. The device and the control method can effectively improve the working reliability of the direct current input high-power power conversion device.

The invention discloses a method and a system for controlling the constant-speed operation of a full-mode curved knife mechanism based on single oil cylinder driving, and relates to the field of aerospace wind tunnel tests. In a sub-transonic wind tunnel test, the operation speed of an oil cylinder is fixed, so that the high-frequency change of the displacement of the oil cylinder is controlled through a constant-speed operation control algorithm; and constant-speed operation control of the knife bending mechanism in a wide speed domain range is completed. According to the control method and system for the constant-speed operation of the full-mode knife bending mechanism based on single-oil-cylinder driving, the constant-speed operation of the knife bending mechanism in the wide speed domain range is achieved by using the speed control parameters of the single oil cylinder, frequent switching of the speed control parameters of the oil cylinder in the using process is avoided, and the using convenience of the system is improved.

The invention provides a fan coil air speed control method and device, a computer storage medium and an air conditioner. Determining a wind speed gear adjustment strategy based on the historical wind speed gears; wherein the historical wind speed gear refers to the corresponding wind speed gear before the last shutdown of the fan coil; acquiring a current detection temperature, and comparing the current detection temperature with a limit temperature range to obtain a temperature comparison result; based on the wind speed gear adjusting strategy, the current wind speed gear is adjusted by adopting the temperature comparison result; and the fan coil is controlled by adopting the adjusted wind speed gear, so that the comfort level of indoor users can be improved.

The invention provides a data processing method and device, monitoring equipment, a computer readable storage medium and an intelligent operation and maintenance management system. The method comprises the following steps: creating a first data queue in a user mode, and creating a first thread in the user mode; calling a first thread, acquiring the request data from a second data queue in a kernel mode, and adding the request data into the first data queue; calling a first thread, analyzing the request data in the first data queue to obtain a data analysis result, and representing the request data type of the request data by the data analysis result; and calling a second thread corresponding to the request data type in the user mode, and processing the request data. According to the invention, the data processing efficiency can be improved.

The utility model relates to the technical field of computers, and discloses a computer all-in-one machine with an auxiliary screen, which comprises the auxiliary screen, an auxiliary screen connecting plate and an all-in-one machine main body provided with a main screen, and one end of the auxiliary screen connecting plate is rotatably connected with an all-in-one machine base of the all-in-one machine main body through a first rotating shaft. The other end of the auxiliary screen connecting plate rotates with the auxiliary screen through a second rotating shaft so as to adjust the relative position of the auxiliary screen and the all-in-one machine base; when the auxiliary screen abuts against the base of the all-in-one machine, the auxiliary screen and the main screen can form double-screen display, and when the auxiliary screen is horizontally arranged and the display face is upward, the auxiliary screen can be used as an electronic drawing board or a virtual keyboard. The auxiliary screen is rotationally connected with the auxiliary screen connecting plate through the second rotating shaft, the auxiliary screen connecting plate is rotationally connected with the all-in-one machine base through the first rotating shaft, the space adjustment freedom degree of the auxiliary screen is high, the auxiliary screen can abut against the all-in-one machine base and be matched with the main screen to form double-splicing display, the auxiliary screen can be horizontally arranged to serve as an electronic drawing board or a virtual keyboard, functionality is high, and the practicability is high. And carrying and storage are convenient.

The invention discloses a wind and light storage cooperative control system based on source load matching. The system aligns a source load storage network and communication information and carries out credible evaluation; wind, light and load are predicted, and uncertainty levels are given; calculating a matching degree and a short plate hot spot, and combining network side hard constraints such as voltage, power flow and reverse transmission to obtain an acceptable boundary; when the matching is qualified and the complementary energy is still available, identifying the complementary energy / energy shortage and the reason, quickly checking the transferable margin and loss by the edge, generating a routing plan containing retention time and action budget, and scheduling the stored energy and the flexible load in a rolling manner; meanwhile, the risk budget and standby are written back according to feasibility, prediction uncertainty and communication quality, gray release and automatic rollback are achieved in cooperation with degradation and playback scoring, and consumption and traceability are improved.

The invention relates to the field of rocket assembling equipment, and provides a rocket fairing fixture butt joint tool which comprises a fixing assembly and a butt joint assembly, the fixing assembly comprises a fixing block, the fixing block is provided with a first through hole, and the fixing assembly is suitable for being arranged on a fairing fixture; the adjusting screw rod is arranged in the first through hole in a penetrating mode, and when the adjusting screw rod is screwed, the adjusting screw rod can move relative to the fixing block along the axis of the adjusting screw rod; one end of the butt joint is detachably connected to one end of the adjusting screw rod through a ball socket and ball head connecting pair, and the end, away from the adjusting screw rod, of the butt joint is suitable for being connected with a butt joint hole in the fairing. The device has the push-pull function, frequent switching between butt joint tools with the push-pull function and butt joint tools with the pull-push function is avoided, and the efficiency of fine adjustment of the half covers is greatly improved. The butt joint head can rotate in all directions relative to the adjusting screw rod, the butt joint difficulty of the butt joint tool and the butt joint hole is reduced, in addition, the butt joint head is detachably connected with the adjusting screw rod, and the butt joint head can be conveniently detached from the half cover. The invention further provides a rocket fairing fixture.

The invention relates to the technical field of mobile communication, in particular to a communication network switching method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring wireless local area WiFi network signal strength and long term evolution LTE network signal strength of a target terminal; performing signal prediction according to the WiFi network signal strength and the LTE network signal strength based on a signal strength prediction model to obtain a new wireless NR network signal strength; and performing communication network switching on the target terminal according to the LTE network signal strength and the NR network signal strength. According to the invention, the communication network switching of the target terminal can be realized according to the actual conditions of the LTE network signal strength and the NR network signal strength, the situation that the communication network is frequently switched when the target terminal receives the WiFi network signal, the LTE network signal and the NR network signal at the same time is prevented, the stable switching of the communication network of the target terminal is ensured, and the user experience is improved. And the communication quality of the user is ensured not to be influenced by frequent switching of the communication network.

The utility model relates to the technical field of resin cartridge installation equipment, and provides an anchor rod trolley resin cartridge anchor rod swing installation device which comprises a propelling beam and an installation base, one end of the installation base is connected with the propelling beam, the other end of the installation base is rotationally connected with a rotary swing arm, and the installation base is provided with a swing motor used for driving the rotary swing arm to rotate. A guide pipe and a front feeding oil cylinder are arranged on the rotary swing arm, a coil feeding pipe is movably inserted into the guide pipe in a penetrating mode, a cylinder barrel section of the front feeding oil cylinder is fixed to the rotary swing arm, and a coil feeding clamping sleeve connected with the coil feeding pipe is arranged at the end of a piston rod of the front feeding oil cylinder. When the resin roll is installed, the roll feeding pipe communicated with the resin roll is fed into the anchor rod hole, the resin roll installation work is executed, the installation efficiency is improved, frequent equipment switching is avoided, and the engineering cost is reduced.

The invention discloses an urban lighting energy efficiency management system based on the Internet of Things technology, and particularly relates to the technical field of urban lighting energy efficiency management, a false detection failure coefficient is calculated through a false detection failure module, the potential influence of false detection or failure of a sensor on system operation is effectively evaluated, the problem of frequent switching caused by false detection is avoided, and the system reliability is improved. The network fault module calculates a data transmission interruption abnormal coefficient to accurately reflect interference of a network fault on system control and data transmission, the response delay module calculates a controller response delay coefficient to reduce system instability caused by response delay, a lighting equipment frequent switching hidden danger assessment model is constructed, and a lighting equipment frequent switching hidden danger assessment model is established. Generating a lighting equipment frequent on-off hidden danger evaluation index, identifying a potential frequent on-off fault hidden danger of the lighting equipment, and when the lighting equipment has a frequent on-off hidden danger fault, obtaining an output sequence of the lighting equipment frequent on-off hidden danger evaluation model; and according to the output sequence, carrying out advanced early warning on a frequent switching hidden trouble fault of the lighting equipment.

The invention discloses a control method for withdrawing a slender medical instrument and a surgical robot. The control method for withdrawing the slender medical device comprises the following steps: receiving an instruction for withdrawing the slender medical device; the slender medical instrument is clamped; controlling the slender medical instrument to move in the direction away from the clamping position; acquiring an acting force value F1 applied to the slender medical device at the starting moment of controlling the slender medical device to move towards the direction far away from the clamping position; after the first preset time, an acting force value F2 at the current moment for controlling the slender medical instrument to move in the direction away from the clamping position is obtained; according to the F1 and the F2, judging whether the slender medical instrument completes withdrawing action or not, and executing corresponding operation according to a judgment result. According to the control method, the slender medical instrument is withdrawn from the catheter to the preset position through mechanical operation, frequent switching between mechanical operation and manual operation is avoided, and therefore the efficiency of an interventional operation is improved.

A double bypass control extraction steam type hybrid heat exchange frequency modulation system, including a high-pressure cylinder, a medium-pressure cylinder, a low-pressure cylinder, a condenser, a condensate pump, a lower-level low-pressure heater, a first bypass controller connected to the lower-level low-pressure heater through a main pipeline, an upper-level low-pressure heater, a second bypass controller connected to the upper-level low-pressure heater through a main pipeline, a deaerator, a high-pressure heater directly connected to the deaerator through a pipeline, and a reheater whose inlet is connected to the second bypass controller through a pipeline and to the high-pressure cylinder through a steam pipeline, and whose outlet is connected to the medium-pressure cylinder through a steam pipeline. The present invention can quickly respond to the frequency modulation requirements of the power grid to the load changes of the unit, avoid frequent switching of the steam inlet automatic regulating valve during turbine frequency modulation, operate stably and reliably, ensure safe operation of the turbine, significantly improve the life and flexibility of the unit, save energy significantly, and have a large frequency modulation range. It can be widely used in the field of flexible frequency modulation of power plants.

The utility model relates to visual calibration target device technical field, specifically disclose a kind of visual calibration target device of steel trestle dynamic displacement monitoring, including target mechanism, the upper end side of the target mechanism is provided with wire arrangement mechanism, the front lower end of the target mechanism is provided with auxiliary flickering mechanism;The target mechanism includes mounting plate, suspension pole, target main body, wiring seat, lamp holder, outer ring reference lamp bead, intermediate layer reference lamp bead and inner ring reference lamp bead.This scheme can adapt to different monitoring distance and camera focal length by the reference lamp bead design of multiple circle layer distribution, ensure target quick identification and stable tracking by outer ring double-layer concentric circle lamp bead under long-distance large visual angle, provide high-precision positioning by intermediate layer polygon lamp bead in medium distance, and rely on snowflake inner ring lamp bead to realize ultimate calibration in nearest distance, only single target can cover the full-scale monitoring requirement from bridge overall shaking to local slight deformation.

The invention discloses a monthly power factor regulation and control method, a monthly power factor regulation and control device, monthly power factor regulation and control equipment and a medium, and belongs to the technical field of optical storage load micro-grids. The active power of an energy storage system in the optical storage load micro-grid is regulated and controlled according to the electricity price of the power grid in each time period and a preset gateway active maintenance threshold value; regulating and controlling the reactive power of an inverter system and the reactive power of an energy storage system in the optical storage load micro-grid according to the monthly power factor required value and a preset gateway reactive maintenance threshold value; the active power of the energy storage system, the reactive power of the inverter system and the reactive power of the energy storage system are regulated and controlled, so that the monthly power factor of the gateway in the optical storage load micro-grid meets the required value. Through the method, the monthly power factor of the gateway can meet the required value on the premise that the operation performance and the service life of the two-quadrant reactive compensation capacitor are not affected.

The utility model relates to the technical field of teaching equipment, and specifically discloses a single-person command and training device for virtual-reality combined emergency drills, which includes: a table body, a first display screen component and a second display screen component; a VR device cabin and a mainframe cabin are detachably arranged on the table body; the VR device cabin is used to accommodate the VR device; the mainframe cabin is used to accommodate the mainframe; the first display screen component and the second display screen component are both installed on the tabletop of the table body, and the included angle between the display end faces of the first display screen component and the second display screen component is 90 degrees to 180 degrees; the first display screen component is used to store training materials and perform screen sharing with multiple student terminals; the second display screen component is wirelessly connected to multiple VR devices, and is used to issue VR tasks to each VR device and receive the training data returned by each VR device. The utility model can not only improve the training efficiency of the device, but also improve the layout rationality of each accessory.

The application discloses a gateway-based CAN bus redundancy routing method and device, and is applied to a CAN network comprising a gateway controller, a first CAN bus link and a separately arranged second CAN bus link. The method comprises the following steps: firstly, obtaining a sending moment of a sending request issued by an application layer and an acknowledgement moment of a sending completion interrupt generated by a bottom layer hardware; based on the acknowledgement moment and the sending moment, obtaining a real-time load parameter of the link under a current message; if the real-time load parameter exceeds a preset load parameter threshold, determining that the first CAN bus link is in an abnormal state of high load, triggering a dynamic routing switching, and switching data transmission of a target node being the preset node to the second CAN bus link for transmission. The application can effectively monitor the bus state without occupying additional bus bandwidth and with low calculation power consumption, realizes dynamic targeted switching on key nodes, and guarantees the real-time performance and reliability of key service data of the whole vehicle.

The invention discloses a communication fault processing method and device for a vehicle-mounted terminal. The method comprises the following steps: periodically detecting a network registration state of the vehicle-mounted terminal; and if it is determined that the network is successfully registered, identifying connection states of the plurality of preset network access channels and obtaining a result. And based on the result, selecting a first target network access channel which does not establish effective connection within the first set duration from the channels, and performing progressive connection retry between the first target network access channel and the first target network access channel. And meanwhile, selecting a second target network access channel which does not establish effective connection within a second set time length (greater than the first set time length) from the channels, accumulating connection failure time of the second target network access channel, and sequentially executing different levels of recovery operations according to different preset connection threshold values. Besides, when the network registration state satisfies a preset abnormal condition, network injection abnormity is determined, network injection abnormity time is accumulated, and recovery operations of different levels are executed in sequence according to different preset network injection thresholds so as to guarantee stable communication of the vehicle-mounted terminal.

The invention relates to an unmanned logistics vehicle steering control method and device, computer equipment and a storage medium. The method comprises the following steps: acquiring state information and environment information of a vehicle; respective steering cost of various preset steering modes is calculated according to the state information and the environment information, wherein the various preset steering modes comprise Ackerman steering, front and back double-steering and bidirectional driving; the steering mode of the current vehicle is obtained, if the steering mode with the minimum steering cost is different from the current steering mode and the cost difference between the steering mode with the minimum steering cost and the current steering mode is larger than a preset switching threshold value, the steering mode is determined as a target steering mode, and otherwise, the current steering mode is maintained; and controlling the vehicle to run in the target steering mode. By the adoption of the method, the unmanned logistics vehicle can autonomously select the optimal steering mode, frequent mode switching is avoided, and the driving efficiency and smoothness in different scenes are improved.

The invention discloses a segmented self-adaptive control method of a dehumidifier, the dehumidifier comprises a semiconductor cooler, and the method comprises the following steps: after the semiconductor cooler enters a dehumidification working state, circularly executing the following steps until the dehumidifier successfully defrosts and deices: obtaining the current temperature and the environment temperature of the cold end surface of the semiconductor cooler, determining a preset temperature threshold value, judging whether the current temperature is smaller than the corresponding preset temperature threshold value or not, if yes, controlling the dehumidifier to execute defrosting and deicing actions, when a first preset duration is reached, re-collecting the temperature of the surface of the semiconductor cooler, judging whether the re-collected temperature is larger than a preset defrosting ending temperature threshold value or not, and if yes, controlling the dehumidifier to execute defrosting and deicing actions. If yes, returning to the step of acquiring the environment temperature. The defrosting and deicing operation is effectively prevented from being carried out too early or too late, and the dehumidifier can be prevented from being frequently switched between dehumidification and defrosting and deicing, so that the surface of the semiconductor cooler is effectively prevented from frosting or icing, the dehumidification operation time is effectively maintained, and the dehumidification effect is guaranteed.

The application relates to a power distribution network voltage control method based on a reactive virtual power plant, which comprises the following steps: constructing a double-layer collaborative regulation model based on discrete and continuous reactive regulation equipment in the power distribution network under the management of the reactive virtual power plant, and establishing power distribution network physical constraints; under the power distribution network physical constraint condition, day-ahead scheduling converts the optimization control of the discrete reactive regulation equipment into a first multi-agent reinforcement learning of a discrete action space strategy for solving, and generates day-ahead scheduling planning to be issued to an intra-day correction layer; under the conditions that the power distribution network physical constraints and the day-ahead scheduling plan are taken as boundary constraints, intra-day correction converts the control of the continuous reactive regulation equipment into a second multi-agent reinforcement learning of a continuous action space strategy for solving, and generates intra-day correction instructions; the continuous reactive regulation equipment is adjusted based on the intra-day correction instructions to obtain node voltage in the power distribution network; the node voltage in the power distribution network is fed back to the day-ahead scheduling layer to realize closed-loop collaboration of voltage optimization regulation.

The invention provides a communication method and device based on queue pair switching, equipment, a medium and a program product, and relates to the technical field of network communication, and the method comprises the steps: determining a to-be-communicated target node, determining the state information of a first reliable connection queue pair between the to-be-communicated target node and the state information of the first reliable connection queue pair, the state information at least comprises a state machine value of the first reliable connection queue pair and a transmission failure timestamp; when the value of the state machine of the first reliable connection queue pair is in a first state and the time interval between the transmission failure timestamp and the current moment is smaller than a preset time interval threshold value, determining to adopt a second reliable connection queue pair to communicate with the target node; and when the value of the state machine of the first reliable connection queue pair is a first state and the time interval between the transmission failure timestamp and the current moment is greater than a preset time interval threshold, determining to communicate with the target node through the first reliable connection queue pair. The efficiency of large-scale training tasks can be improved.

The invention discloses an energy-saving control system for an MAU (Multi-Access Unit) all fresh air unit, which belongs to the technical field of energy-saving control, and comprises a plurality of groups of detection modules arranged in the same place with an air supply port of a fan; the communication transmission module is electrically connected with the plurality of groups of detection modules and transmits information of the detection modules backwards; the calculation module is used for receiving the information of the communication transmission module and calculating the air supply volume and the air supply temperature and humidity based on the information; and the output control module is used for receiving the calculation result of the calculation module and controlling the cold supply power of the fan based on the result. The detection module senses the operation condition of the equipment and the number of personnel in the field, so that the influence parameters of the equipment and the personnel are added in the calculation of the total heat load Qt in the field, the calculation of the total heat load Qt is more accurate, the regulation and control of the cold supply power of the MAU full fresh air unit are more reasonable, and the use effect of the equipment is better.

The utility model belongs to the field of chemical engineering, and relates to a system for removing scorched particles in an ethylene tar product. The system comprises a filter, a purifier and a filter outlet stop valve, a filter screen, an ethylene tar product feeding line and a coke particle-removed ethylene tar product discharging line are arranged around the interior of the upper part of the filter, and a filter bottom outlet is formed in the bottom of the filter; the filter outlet stop valve is provided with a filter outlet stop valve inlet and a filter outlet stop valve outlet, and the filter outlet stop valve inlet is connected with the filter bottom outlet; the upper part of the purifier is provided with a purifier upper inlet, the lower part of the purifier is provided with a residual tar discharge line, the bottom of the purifier is provided with a knife valve, the inner periphery of the lower part is provided with a purifier filter screen, and the residual tar discharge line is located at the purifier filter screen; an outlet of the filter outlet stop valve is connected with an upper inlet of the purifier. The device has the effects that the purifier plays a role in storing coke, the ethylene tar decoking frequency is reduced, and the on-site decoking strength is reduced.

The present invention discloses a method and system for controlling the uniform speed operation of a full-mold scimitar mechanism based on a single oil cylinder drive, and relates to the field of aerospace wind tunnel tests. In a sub-transonic wind tunnel test, the running speed of the oil cylinder is fixed, so as to control the high-frequency change of the oil cylinder displacement through a uniform speed operation control algorithm, and complete the uniform speed operation control of the scimitar mechanism in a wide speed range. The present invention provides a method and system for controlling the uniform speed operation of a full-mold scimitar mechanism based on a single oil cylinder drive, which uses a single set of oil cylinder speed control parameters to achieve uniform speed operation of the scimitar mechanism in a wide speed range, avoids frequent switching of the oil cylinder speed control parameters during use, and improves the convenience of system use.

The utility model discloses a UPS automatic switching signal induction device, which belongs to the technical field of UPSs and comprises a UPS module, the UPS module is mounted on the top surface of a mounting plate through a bolt, the mounting plate is fixedly connected with a case, a protection plate is rotatably mounted on the mounting plate through a hinge, a first fixing rod is fixedly mounted on the top of the protection plate, and a second fixing rod is mounted on the top of the first fixing rod. And the middle of the top of the first fixing rod is clamped to the first induction part, second fixing rods are fixedly installed on the two sides of the protection plate, and a second induction part is fixedly installed on one side of the machine box. According to the utility model, the first induction part is arranged, the structure is simple, convenience and practicability are realized, when the protection plate is opened, the host can be automatically switched to the bypass for power supply by receiving a signal so as to maintain the power supply state of the load and avoid unnecessary loss caused by power failure of equipment, and meanwhile, the second induction part is matched for use, so that frequent circuit switching caused by mistaken touch can be avoided.

The utility model relates to an automatic water supply control device, it includes: water pool, the depth of water pool is H, first liquid level switch sets up in water pool, and the height of distance water pool's bottom is L, second liquid level switch sets up in water pool, and the height of distance water pool's bottom is S, first relay, first liquid level switch's output end is connected with first relay's trigger input end, alarm device, second liquid level switch's output end is connected with alarm device, inlet pipe, one end is connected with water source, and the other end is led into water pool, electromagnetic control valve sets up on inlet pipe for controlling the on-off of water route in inlet pipe, the control end of electromagnetic control valve is connected with first relay's output end, wherein, 0.2H <= L <= 0.3H, 0.7H <= S <= 0.8H. The application can realize the water level monitoring for factory production water pool, and can realize automatic water supply, and work is safer and more reliable.

The utility model provides a scalp tensioning device and a hair transplantation seat comprising the scalp tensioning device, the scalp tensioning device is arranged on the hair transplantation seat, the scalp tensioning device comprises a contact part, a driving part and a driving part, the contact part is used for being in contact with the scalp, and the driving part is used for driving the driving part to rotate. The driving part is arranged on the hair transplanting seat, the driving part is electrically connected with a control module of the hair transplanting seat, and the driving part is used for driving the contact part to tension or loosen a hair follicle extraction area of the scalp; the adjusting mechanism is arranged on the hair transplanting seat, and the adjusting mechanism is used for driving the driving part to rotate, so that the position of the contact part corresponds to the position of the scalp. By arranging the contact part and driving the contact part to move through the driving part to replace the mode that the scalp is tensioned through a silica gel rope, tensioning of the scalp of a user is achieved, the tensioning degree is guaranteed, and meanwhile the automation degree is higher compared with the mode that the silica gel rope is tensioned through hands.