76results about How to "Improve energy consumption ratio" patented technology

The invention discloses a flying scoreboard device for controlling out-order transmission in a superscale microprocessor, comprising a flying scoreboard mapping table, a flying scoreboard recovering list and a flying scoreboard state table. For an effective command of a target register, the device tracks the state of the command target register dynamically; for an effective command of a source register, the device provides information whether the command source register is readable in real time to judge whether the command can be transmitted to an executive component. The device solves read-after-write relevance caused by use of a register between commands through less hardware resources, ensures accuracy of out-order transmission and execution of commands, and improves the energy consumption ratio of the microprocessor.

The invention provides an oil well casing gas collecting device. An oil pumping pipe, an oil pumping rod and a casing are arranged in an oil well, the oil pumping rod is connected onto an oil pumping unit, and the oil pumping unit pumps crude oil from the oil pumping pipe and transports the crude oil to an oil transportation pipe. The device comprises a casing connecting pipe, a one-way valve A, a boosting pump, a one-way valve B and an oil pipe connecting pipe. The boosting pump includes a connecting rod, the upper end of the connecting is fixedly connected with a pressure arm, the upper portion of the oil pumping rod is fixedly connected with a pressure button, and the pressure button is located above the pressure arm. When the boosting pump is installed, the connecting rod is parallel to the oil pumping rod, and the pressure arm is intersected with the connecting rod but is not connected with the connecting rod. When the oil pumping rod is lifted up under the driving of the oil pumping unit, casing gas drives a piston, the connecting rod and the pressure arm to move upward under the action of self pressure. When the oil pumping rod moves downward under the action of self gravity, the pressure button presses the pressure arm to drive the connecting rod and the piston to move downward, and compressed casing gas in a compression cylinder enters the oil transportation pipe. By means of the oil well casing gas collecting device, a series of problems including difficulty in traditional oil well casing gas recovering, energy waste, environment pollution, safety hazard and the like are solved. Therefore, the oil well casing gas collecting device has obvious economic benefit and environmental-protection benefit.

The invention relates to a two-way thermal expansion valve, which belongs to the technical field of refrigeration control and solves the problems that refrigerants of forward and reverse circulation are throttled by using the same throttle adjusting part and the system design cannot be optimized according to the specificity of a refrigerating or heating stage. The two-way thermal expansion valve comprises a valve body provided with a first chamber and a second chamber, a forward throttle connecting cavity and a reverse throttle connecting cavity communicated with the first cavity, a valve core placed in the first chamber, a temperature sensing component for sensing temperature change in the second chamber, and a transmission bar for connecting the valve core and the temperature sensing component. The two-way thermal expansion valve is characterized in that the valve core is provided with a forward throttle adjusting part and a reverse throttle adjusting part. The refrigerants of forward and reverse circulation are adjusted by the independent throttle adjusting parts so as to fulfill the purposes of improving the energy consumption rate and prolonging the service life of equipment.

The invention belongs to the field of tests, and particularly relates to a method and a system for monitoring the cooling efficiency of a cooling tower. The method comprises the following steps of: obtaining real-time parameters and design parameters of the cooling tower; calculating actually measured flow of air entering the tower, an actually measured gas-water ratio and a corrected cooling number according to the real-time parameters and the design parameters; determining a corrected gas-water ratio according to the actually measured gas-water ratio, the corrected cooling number and a design curve in the design parameters; and monitoring the cooling efficiency of the cooling tower according to the calculating actually measured flow of air entering the tower, the corrected gas-water ratio and designed flow of water entering the tower in the design parameters. The method realizes monitoring the cooling efficiency of the cooling tower in real time, is high in real-time property, is lower in cost, and is higher in energy consumption ratio, and enables the cooling tower to be in the optimal operation state.

The invention discloses a copper-based alloy for cable shielding. The copper-based alloy is characterized in that the alloy comprises the following components by weight percent: 0.03-0.30% of Ag, 0.005-0.015% of Li, 0.05-0.20% of La, 0.05-0.20% of Y and the balance Cu. The alloy has high softening temperature; and compared with the prior art, the tensile strength and hardness are obviously increased and the weldability and oxidation resistance are also obviously increased, and the rate of the finished product and the energy consumption per ton product are obviously increased. The copper-based alloy is mainly used for power cable shielding.

The invention discloses a new energy automobile quick charging gun. The new energy automobile quick charging gun comprises a gun-shaped shell, a charging connector is arranged at an opening in the front end of the shell, and the charging connector is connected with a charging cable through an electricity leakage preventing mechanism. The electricity leakage preventing mechanism comprises a left contact and a right contact making separable contact with the left contact, the right contact is connected with the charging cable, and the left contact is connected with the charging connector. The new energy automobile quick charging gun has the characteristics that the mechanical structure in the charging gun is improved, and thus electricity leakage protection is further improved; particularly specific to the alternating current charging gun, when the conditions such as aging of charging plug electro-insulating rubber occur, people can still be prevented from getting an electric shock, and safety accidents are avoided; meanwhile, the situation that current transmission efficiency is lowered due to electricity leakage protection in the charging process is avoided; and moreover, the new energy automobile quick charging gun has high conducting efficiency and a high safety coefficient.

The present invention relates to a flying scoreboard processing method supporting out-order issue of simultaneous multithreading instructions. According to the method, flying scoreboards having the same number with idle physical registers are arranged, and the flying scoreboard number is bound with the idle physical register number. When the instruction is used for renaming the registers, the flying scoreboard number and the bounded idle physical register number are assigned to a target register of the instruction together; when the instruction is submitted, the currently assigned flying scoreboard number is unbound from the currently assigned physical register number, and the flying scoreboard number is rebound with the idle physical register number newly released by the instruction; and when the instruction is rolled back, the currently assigned flying scoreboard number and the currently assigned physical register number are recycled together, and the last assigned flying scoreboard number and the last assigned physical register number in the target register are recovered. The out-order issue problem of the instructions under the condition that multiple threads are simultaneously executed and share the same physical register is solved.

The invention provides an oil well casing gas collecting device. An oil pumping pipe, an oil pumping rod and a casing are arranged in an oil well, the oil pumping rod is connected onto an oil pumping unit, and the oil pumping unit pumps crude oil from the oil pumping pipe and transports the crude oil to an oil transportation pipe. The device comprises a casing connecting pipe, a one-way valve A, a boosting pump, a one-way valve B and an oil pipe connecting pipe. The boosting pump includes a connecting rod, the upper end of the connecting is fixedly connected with a pressure arm, the upper portion of the oil pumping rod is fixedly connected with a pressure button, and the pressure button is located above the pressure arm. When the boosting pump is installed, the connecting rod is parallel to the oil pumping rod, and the pressure arm is intersected with the connecting rod but is not connected with the connecting rod. When the oil pumping rod is lifted up under the driving of the oil pumping unit, casing gas drives a piston, the connecting rod and the pressure arm to move upward under the action of self pressure. When the oil pumping rod moves downward under the action of self gravity, the pressure button presses the pressure arm to drive the connecting rod and the piston to move downward, and compressed casing gas in a compression cylinder enters the oil transportation pipe. By means of the oil well casing gas collecting device, a series of problems including difficulty in traditional oil well casing gas recovering, energy waste, environment pollution, safety hazard and the like are solved. Therefore, the oil well casing gas collecting device has obvious economic benefit and environmental-protection benefit.

The invention particularly relates to a double-screw straw threading extruder and solves the problem that straw extruding equipment which is high in efficiency and long in service life is lacking. The double-screw straw threading extruder is characterized in that castors and locking bolts are arranged below a base frame, a motor is fixed in rear of the base frame, a coupler is connected in front of the motor and connected to a driving shaft which is connected in a transmission box, the transmission box is connected with two stirring shafts and two extruding shafts which are arranged parallelly, both the stirring shafts and the extruding shafts penetrate into a feeding box arranged in front of the transmission box, a stirring plate sleeves each stirring shaft in the feeding box, a hopper is arranged at the top of the feeding box above the stirring shafts, an extruding screw is fixed on each extruding shaft in a sleeved manner, a feeding guide seat is arranged at the bottom of the feeding box, the front end of the feeding box is communicated to a middle-section spiral barrel, and the front end of the middle-section spiral barrel is communicated to an extruding barrel. The double-screw straw threading extruder has the advantages that energy consumption ratio of equipment is increased effectively, the double-screw straw threading extruder is compact in structure integrally and high in discharging efficiency, size is guaranteed to be unchanged while tonnage yield is increased, and processing efficiency can be improved to 3t / h.

The invention relates to a multi-hop routing protocol of a wireless sensor network, in particular to a wireless sensor network improved multi-hop LEACH protocol based on fuzzy logic, and aims to solvethe technical problems of hop-by-hop communication, end-to-end delay and hot spots in the prior art. The optimal hop count is calculated by utilizing the fuzzy logic controller according to the residual energy, the data length and the distance to the base station, so that the network energy consumption is reduced, and the service life of the network is maximized. In addition, a threshold functionbased on residual energy, node centrality and BS distance is proposed to select CH, so that CH distribution is uniform. The hop count is combined with the residual energy and the number of members, and an optimal intermediate channel is selected to forward data to the base station. Finally, the performance is evaluated through a large number of simulations, and the IMF-LEACH is greatly improved in the aspects of average hop count, average end-to-end delay, energy consumption ratio, network lifetime and the like.

The invention relates to an electronic expansion valve structure, belonging to the technical field of refrigeration control. In the prior art, the pressure and pulsation of fluid cause unstable work, and the node flow related parameters of specific multi-point positions are difficult to set accurately in the prior art. The electronic expansion valve structure comprises a drive device controlled via sensing signals, a valve body provided with an inlet channel and an outlet channel, a throttle sleeve body fixed on the valve body and provided with throttling ports, and a valve core, wherein the valve core slides relative to the throttle sleeve body under the drive of the drive device to change the size of the throttle ports or to open / close the throttle ports. The electronic expansion valve structure is characterized in that the throttle ports are a plurality of circumferential open pores arranged on the throttle sleeve body. The invention avoids the problem that the work reliability is reduced due to the pressure and the pulsation of the fluid in the process of the throttling process; meanwhile, by regulating the positions and the quantity of the open pores and setting the node flow related parameters of multiple key points, the refrigerating system is optimized and the energy consumption ratio is improved.

The invention relates to an electric heating system with a direct-current power regulator. The electric heating system with the direct-current power regulator comprises an electric heating piece and is characterized in that the electric heating piece is connected with the direct-current power regulator, the direct-current power regulator comprises a step-down rectification regulating circuit and a central processing unit in communication with the step-down rectification power regulating circuit, the input end of the step-down rectification power regulating circuit is connected with a mains supply, and the output end of the step-down rectification power regulating circuit is connected with the electric heating piece. The electric heating system with the direct-current power regulator has the advantages that alternating current is converted into direct current, voltage is lowered, electricity using safety and personal safety are improved, electromagnetic radiation is avoided, meanwhile, a power regulating type working mode is adopted, energy utilizing efficiency is improved, and energy conservation and emission reduction are facilitated.

The invention discloses an air conditioning system and a control method thereof. The air conditioning system can provide fluid which is fully dehumidified and heated for the indoor space in an energy-saving mode and has the function of providing hot water. The air conditioning system comprises an outdoor unit, a dehumidifying and heating indoor unit and a refrigerating fluid water heat exchange unit, wherein the outdoor unit, the dehumidifying and heating indoor unit and the refrigerating fluid water heat exchange unit are connected through a first connecting pipe, a second connecting pipe and a third connecting pipe; one end of the third connecting pipe is connected to a discharge pipe connected to the discharge side of a compressor, the dehumidifying and heating indoor unit is provided with a second indoor side pipe, a second indoor side refrigerating fluid adjusting device and a second heat exchanger are arranged in the middle of the second indoor side pipe, and the other end of the third connecting pipe is connected to the other end of the second indoor side pipe; and the refrigerating fluid water heat exchange unit is provided with a refrigerating fluid pipe, a water loop and a refrigerating fluid water heat exchanger, one end of the refrigerating fluid pipe is connected to the first connecting pipe, and the other end of the refrigerating fluid pipe is connected to the third connecting pipe.

The invention relates to a binary neural network forward propagation framework suitable for a mobile terminal. The binary neural network forward propagation framework comprises a model conversion module and a forward propagation module, wherein the forward propagation model comprises a data storage unit, an operation unit and an optimization unit; the data storage unit stores data in a data layoutmode of number, height, width and channel number and compresses the data; wherein the arithmetic unit is a GPU arithmetic unit and merges the operation layers of the binarized neural network; the optimization unit balances the thread read-write data amount and the calculated amount in the arithmetic unit. Compared with the traditional neural network framework, the scheme of forward propagation onthe mobile phone is provided, the storage occupation is reduced, the operation speed is improved, the energy consumption ratio of the binary neural network running on the mobile phone is improved byutilizing the GPU, and the binary neural network can be efficiently run on the mobile terminal.

The invention provides an acceleration calculation method of a neural network, an accelerator and a computer readable storage medium. The method comprises the following steps: storing an input matrix in a first data cache region; acquiring a coefficient matrix, decomposing the coefficient matrix into a plurality of coefficient sub-matrixes with a preset size, sliding the coefficient sub-matrixes relative to an input matrix at a preset step length, and performing point multiplication summation calculation on the coefficient sub-matrixes and the input matrix by applying at least one processing unit of a multiply-add array every time the coefficient sub-matrixes slide; obtaining a part and a matrix corresponding to each coefficient sub-matrix; and carrying out accumulation calculation on the corresponding parts of the plurality of coefficient sub-matrixes and the matrix to obtain an accumulation calculation result, carrying out feature calculation according to the accumulation calculation result, and storing a calculation result of the one-layer model in a second data cache region. The invention further provides a neural network accelerator for implementing the method and a computer readable storage medium. The method can reduce the number of data carrying times during neural network calculation, and improves the energy consumption ratio.

The invention discloses a pig breeding environment control system, which includes a fan unit and a small window unit for ventilation, a water curtain unit for changing the ambient temperature and humidity, and a temperature measurement unit for real-time measurement of the ambient temperature. A humidity measurement unit for real-time measurement of ambient humidity, and an environmental controller connected to the fan unit, the small window unit, the temperature measurement unit and the humidity measurement unit respectively, and the environmental controller will compare the real-time values ​​of the measured ambient temperature and ambient humidity with the The comparison values ​​are compared and corresponding control commands are issued to the fan unit, the small window unit and the water curtain unit according to the comparison result, and the environmental controller adopts closed-loop control. The environmental controller of the present invention adopts a closed-loop algorithm to ensure the stability of the control, and the environmental controller is jointly controlled with the fan system, the water curtain system, the small window system, the temperature measurement system, and the humidity measurement system, so that the control of the system is simplified. The invention is very suitable for popularization and application in related fields.

A wet-film surface air cooler of a composite structure comprises a plurality of fins and a plurality of heat-exchanging pipes, wherein the fins are arranged in parallel at intervals and the heat-exchanging pipes penetrate through the fins. A wet-film layer is arranged on the surfaces of the fins. At least one water absorption belt is extended outwards from the wet-film layer and is used for leading water into the wet-film layer. The wet-film surface air cooler of the composite structure is simple in structure, low in cost, free of power and high in reliability. On one hand, the heat-dissipation efficiency and the COP of condensate water or tap water applied to the surface air cooler of an air conditioner are improved, the air-discharging pressure is reduced when the air conditioner is used for cooling, the COP of a common air cooling air conditioner used for cooling is increased from 3.2 to 4.1, energy is saved by over 30%, and on the other hand, the surface air cooler of the air conditioner is prevented from being frosted in winter.

The invention relates to a forced guiding multistage rotation pressing flame ash separating structure for a cooking furnace. The forced guiding multistage rotation pressing flame ash separating structure comprises a flame collecting box which is in a cavity ring shape. A cavity second-stage flow guiding ring used for guiding the moving direction of flames communicates with the upper portion of the flame collecting box. A first-stage flow guiding plate used for scattering the flames is arranged between the second-stage flow guiding ring and the flame collecting box. The position of an inner opening of the flame collecting box is shielded through the first-stage flow guiding plate. Due to the graded flow guiding of the first-grade flow guiding plate and the second-stage flow guiding plate, light ash contained in the flames can be thoroughly knocked off, and the structure can be applied and popularized in any industry needing cooking, usable scenes the same as traditional energy such as electric heat, gas, fuel, fire coal and the like are available, and the structure has the larger excellence in the aspects of safety, flexibility and energy loss ratios. An opened type natural convection semi-gasification combustion manner is adopted, heat energy is directly transmitted to a container for heating to the maximum, forced flow guiding through an induced draught fan is avoided, heat energy cannot be lost, and the heat exchange efficiency is greatly improved.

The invention provides a pruner. The pruner comprises a handle component, a power mechanism mounted at one end of the handle component, and a blade component connected with the power mechanism. The power mechanism comprises a casing component, a motor accommodated in the casing component, and a power transmission component mounted on the casing component. The motor is an outer rotor motor with thediameter greater than or equal to 50 mm. The power transmission component comprises a first gear and a second gear. The first gear meshed with the second gear coaxially sleeves an output shaft of theouter rotor motor. The transmission ratio of the first gear to the second gear is less than 6. Compared with the prior art, the pruner has the advantages that the optimal output effect can be achieved without change of the output power of the motor, and the motor has a low rotation speed, large rotation torque, small current, less heating capacity and greatly increased energy consumption ratio.

The invention discloses a scheduling creating energy conservation optimization method of virtual hosts based on ARM servers. The method comprises the following steps that users apply for multiple virtual computing hosts, and the current applications to which the virtual computing hosts belong are identified by a new tag; a scheduling management program computes the currently required total virtual host computing resource to be transmitted to a scheduling router; and one or multiple appropriate ARM servers are selected according to two steps of filtering and ordering so that the virtual computing hosts are created for the users. The distributed computing performance of multiple virtual hosts can be greatly enhanced, and the corresponding ARM servers are enabled to be in the energy conservation state when the applications are in the inactive state so that the overall energy consumption ratio of a cloud computing center can be enhanced.

The invention discloses a method for optimizing the energy consumption ratio of a server. The method for optimizing the energy consumption ratio of the server comprises the following steps of detecting the temperature of each function part during the operation of the server; according to the arranged position of each function part on the server, and matching each function part with a corresponding fan cluster in a curve of preset part positions versus serial numbers of fans respectively; adjusting the average rotating speed of the fan cluster corresponding to each function part according to the comparison relationship between an average temperature value of each function part and a preset temperature threshold so as to make the fan cluster corresponding to the each function part operate in a lowest average rotating speed state in which the temperatures of all the function parts can be kept below the permissible temperatures. Therefore, the temperatures of all the function parts can be kept below the permissible temperatures so as to ensure the normal operation of the function parts, and thus the normal working performance of the server can be ensured; meanwhile, all the fan cluster operate in the limited minimum rotating speed state, therefore, on the premise of no loss of the performance of the server, no error generation and no damage, the power consumption is minimized to the full, and the energy consumption ratio is improved.

The invention relates to deep sea geology rock core sampling, in particular to a percussion drill for deep sea vehicle rock core sampling. The percussion drill comprises a power rotation unit and an impact unit, and further comprises a vibration generation unit located between the power rotation unit and the impact unit; and the power rotation unit comprises a rear sealing cover, a pressure-resistant shell, a brushless direct current motor, a speed reducer, a front sealing cover, a transmission shaft and a deep sea oil filling compensation diaphragm, the front sealing cover and the rear sealing cover are fixed to the front end and the rear end of the pressure-resistant shell correspondingly, the rear sealing cover, the pressure-resistant shell and the front sealing cover form a closed cavity, the brushless direct current motor, the speed reducer and the transmission shaft are all arranged in the cavity, an output shaft of the brushless direct current motor is connected with the speed reducer, and the transmission shaft is connected with an output shaft of the speed reducer. Rock can be broken by means of high-frequency impact movement under low drilling pressure and low drilling power consumption, and the drilling efficiency of the drill is greatly improved.

An ultra-simple temperature difference energy refrigeration cap comprises a cap body, a temperature difference power generating device group, a semiconductor refrigeration device group, an aluminum foil A, an aluminum foil B and the like. The semiconductor refrigeration device group and the temperature difference power generating device group are arranged on the cap body, the refrigeration face of the semiconductor refrigeration device group faces the inner shadier face of the cap body, the heat-emitting face of the semiconductor refrigeration device group faces the sunny face of the cap body, and the semiconductor refrigeration device group is in parallel connection with the cap body through an electric wire, and the two faces are respectively adhered to the aluminum foil A and the aluminum foil B. Accordingly, the a temperature difference effect of a temperature difference power generating device is complementary with the effects of the heat face and the cold face of a semiconductor refrigeration device, the heat face is hot, the cold face is cold, the temperature difference between the shadier face and the sunny face of the temperature difference power generating device group is decreased, and generating capacity of the temperature difference power generating device group and refrigerating capacity of the semiconductor refrigeration device group are improved. The ultra-simple temperature difference energy refrigeration cap is very simple in structure, high in energy consumption and convenient to use, does not need operation and automatically performs refrigeration, the volume and the weight is almost equal to those of a common cap, and long refrigeration time can be still kept when sunlight is light. In addition, the ultra-simple temperature difference energy refrigeration cap is safe, reliable, easy to achieve and suitable for being popularized and applied.

The invention discloses an LED light-emitting device used for replacing a halogen bulb. The device comprises a base, a light-emitting structure, a light-pervious cover and a reflecting film, wherein the light-emitting structure comprises an LED light source, a focusing layer, a light guide post and a diffusion layer in the sequence from bottom to top; the LED light source is fixed to the base, andthe focusing layer and the LED light source are oppositely fixed on the base; the light guide post is arranged above the focusing layer, so that light rays emitted by the LED light source irradiate in the light guide post; the light guide post is frustum-shaped, the light guide post realizes total reflection on the shot light rays; the diffusion layer covers the top end of the light guide post; the diffusion layer enables the light rays after total reflection to diffuse in the Lambertian distribution manner; and the light-emitting structure is covered by the light-pervious cover, the reflecting film is plated to the light-pervious cover, and the reflecting film is above the light-emitting structure and coaxial with the light-emitting structure. For the device, the LED light source adopting unidirectional illumination realizes the illumination range approximately according with Lambertian distribution, and the light shape is consistent with the light-emitting shape of the halogen bulb.Meanwhile, the integral cost, service life and illuminating brightness accord with the relevant requirements.

The invention relates to a vehicle-mounted emission detection device which comprises a control system, a shell, a sampling probe arranged outside the shell and connected to the shell, a power supply module, a communication module, a positioning module, a sampling port, an air pump, a filter, a condenser, a water blocking device, a detection module, an exhaust port and a flow meter. The power supply module, the communication module, and the positioning module are arranged in the shell; and the sampling port, the air pump, the filter, the condenser, the water blocking device, the detection module, the exhaust port and the flow meter are sequentially arranged in the shell according to an airflow path. The device is high in measurement precision and reasonable and effective in energy distribution.

The invention discloses surface cleaning equipment and a surface cleaning system. The equipment comprises a cleaning base which carries a cleaning roller and a dirty liquid transfer bin and is suitable for moving on the surface to be cleaned, a vertical machine body with the lower portion connected to the cleaning base, a suction motor and a dirty liquid storage container arranged on the vertical machine body; the suction motor is configured to have one or more cleaning modes for assisting the surface cleaning equipment in performing surface cleaning and a self-cleaning mode for assisting the surface cleaning equipment in performing self-cleaning on the cleaning roller and the dirty liquid transfer bin; and the suction motor consumes a lower amount of power when working according to at least one cleaning mode than when working according to the self-cleaning mode.

The invention discloses a fan coil temperature controller for hotels. The fan coil temperature controller comprises a liquid crystal display module, a user operation module, a driving board, an electric valve, a fan, a photosensitive sensor, an RS485 interface, a front desk PC (Personal Computer) control module, guest room power supplies and a power switching module, wherein a signal output end of the user operation module is connected with a signal input end of the driving board; a signal output end of the driving board is connected with signal input ends of the liquid crystal display module, the electric valve and the fan respectively; a signal output end of the photosensitive sensor is connected with the signal input end of the driving board; the front desk PC control module is connected with the driving board through the RS485 interface; the guest room power supplies are connected with the power input ends of the driving board through the power switching module respectively; and the power switching module comprises two paths A and B. The fan coil temperature controller system of the structure meets the requirements of guests for comfort and also guarantees the sleep quality and the health of the guests; and meanwhile, the requirements for energy conservation and safety are met by the structure of the double-loop switch.

The invention discloses a power-assisted electric loader driving system which comprises a main driving system, the two ends of the main driving system are connected with a front transmission shaft and a rear transmission shaft respectively, the front transmission shaft is connected with a front driving axle, and the rear transmission shaft is connected with a rear driving axle. The power-assisted type electric loader driving system further comprises a power-assisted type auxiliary power system connected with the front transmission shaft, the main driving system and the power-assisted type auxiliary power system are connected with a vehicle control unit, and the vehicle control unit calculates and obtains torque needed under various working conditions.