151results about How to "Adapt to the working environment" patented technology

The invention belongs to the field of multi-guide-rail wireless power supply of electric vehicles, and specifically relates to a method for recognizing an electric vehicle in a multi-guide-rail wireless power supply mode. The method comprises the steps of (1) positioning a secondary side coil, and determining the current load state by detecting the input voltage Udc of an inverter circuit; (2) detecting the voltage of an emission guide rail end, comparing with the given preset voltage value delta, namely, detecting the end voltage Up (i-1) and Up (i+1) of the guide rail sections Lp (i-1) and Lp (i+1) when the electric vehicle runs on the sectional guide rail Lpi; if the Up (i+1) is not less than delta, turning the electric vehicle to the guide rail section Lp (i+1), conversely, Up(i+1) is not less than lt, and turning the electric vehicle to the guide rail section Lp (i-1). According to the method, the current and voltage of the guide rail are detected, the running position and direction of the electric vehicle are determined, and the method is simple, reliable, and high in accuracy and stability.

A microseismograph comprises a data acquiring module, a control module, a storage module, a power module and a wave detector, the wave detector receiving microseism signals is connected with the data acquiring module, the data acquiring module pre-processing the microseism signals is connected with the control module, and the control module is connected with the storage module; the microseismograph further comprises a GPS module providing locating and timing information, wherein the GPS module is connected with the control module; the wave detector comprises at least one set of shocking sensor and at least one set of electric signal sensor capable of sensing electric signals and incapable of sensing shocking signals, the electric signal sensor is provided with a resistor with electrical performance same as that of the shocking sensor, and the data acquiring module comprises sampling channel interfaces with the number larger than the sum of the number of the shocking sensors and the number of the electric signal sensors. The microseismograph, the microseism signal acquiring and de-noising method, and the microseism signal acquiring method can effectively eliminate electrical noise interference and improve the signal-to-noise ratio and are suitable for working in an outdoor atrocious weather environment.

The invention relates to a lithium battery module for replacing a lead-acid storage battery of an automobile. The lithium battery module comprises an upper cover, a shell, a seal grid plate, lithium batteries, insulated phase-change materials, a battery fixedly-held assembly, heat-conducting rib plates, a battery protection plate and a self-restoring circuit protector, wherein the upper cover and the shell are mechanically connected to form a seal cavity, the seal grid plate is arranged in the shell and divides the seal cavity into an upper-half seal cavity and a lower-half seal cavity, the insulated phase-change materials are filled in the lower-half seal cavity, multiple lithium batteries are fixedly connected through the battery fixedly-held assembly and are arranged in the insulated phase-change materials, the heat-conducting rib plates are arranged between each two adjacent lithium batteries, and the battery protection plate and the self-restoring circuit protector are arranged in the upper-half seal cavity; a circuit is mounted in the upper-half seal cavity, one end of the circuit penetrates through the seal grid plate and is connected with the electrodes of the lithium batteries, and the other end of the circuit is connected with an external pole column through the upper cover. Compared with the prior art, the lithium battery module has the advantages of long service life, good power property, small volume, high integration and the like.

The invention discloses a composite energy power distribution system, comprising a composite energy and a control device. The composite energy consists of a lithium battery group and a super capacitor module; the control device consists of a control unit, a first DC/DC converter and a second DC/DC converter; the lithium battery group is connected to the first DC/DC converter; the super capacitor module is connected to the second DC/DC converter; the first DC/DC converter is connected to the DC/DC converter and then both the first DC/DC converter and the second DC/DC converter are connected to a load; a control unit is connected to the lithium battery group, the super capacitor module, the first DC/DC converter, the second DC/DC converter and the load through a CAN communication network; the control unit obtains the power requirement of the load, the state data of the first DC/DC converter, the state data of the second DC/DC converter and the state data of the composite energy through the CAN communication network; the power distribution that is respectively born by the lithium battery group and the super capacitor module is calculated; and the power which is respectively born by the corresponding lithium battery group and the super capacitor module is controlled.

The invention provides a monitoring apparatus and a transmission apparatus of high-temperature production well pump temperatures and pressures, and a system. The system comprises two discrete apparatuses, namely the monitoring apparatus of high-temperature production well pump temperatures and pressures and the transmission apparatus of high-temperature production well pump temperatures and pressures; the monitoring apparatus is used for measuring the temperatures and the pressures of an underground oil reservoirs and sending the temperatures and the pressures to the transmission apparatus in the form of ultrasonic wave signals; the transmission apparatus receives the ultrasonic wave signals and generates acoustic signals for loading on an oil pipe and sending out; compared with a direct-reading pressure gage, the process of cable tying during construction is avoided, the construction difficulty and the construction risk are reduced, and the launching intervals of an ultrasonic emitter and an electroacoustic transducer can be adjusted according to requirements, and therefore, the monitoring apparatus and the transmission apparatus also are capable of meeting the requirements of instantaneity. Besides, the monitoring apparatus and the transmission apparatus both are provided with thermal insulating elements and are capable of well adapting to high-temperature working environments.

The invention discloses a special colored hot-press label of a resin grinding wheel. The special colored hot-press label comprises a black paperboard or a copper printing paper substrate, a bottom layer, a pattered oil layer and a protective layer, wherein the bottom layer, the pattered ink layer and the protective layer are offset-printed on the substrate. Aiming at realizing small color change amplitude after a finished product label and the grinding wheel are sintered and vulcanized together, ink for the pattered ink layer is scientifically prepared from materials, such as polydimethylsiloxane phenolic resin, a chemical corrosion resisting agent, an anti-friction agent, tung oil, organic pigment, and the like, crude ink is modified, the high-temperature softening point of the ink layeris improved, the adhesive film hardness of the surface of the ink layer is increased, and an adhesive film gap on the surface of the ink layer is sealed. The special colored hot-press label has the advantages that: a brand name and various technical data of the grinding wheel are printed with various colors of ink by utilizing the appropriate substrate and then die-cut and formed, and directly hot-pressed on the surface of the substrate in the production process of the grinding wheel, and the grinding wheel is discharged from a furnace after dried in a high-temperature vulcanizing kiln for 30h at 186 DEG C, therefore, the mark of the label is very distinct, not powdered and obscure, and the color change amplitude is less than 10 percent.

The invention discloses a texturing machine. The texturing machine comprises a plurality of machining spots, wherein the machining spots are in butt joint and are used for stretcher strain of filaments. Each machining spot is internally provided with a drafting, texturing and winding operation unit. At least one operation unit in each machining spot is provided with an independent transmitter of a motor. Each independent transmitter is provided with a driver and is composed of the motor of which a rotor is a permanent magnet with non-exciting current and a stator is a multi-phase winding. The drivers detect current of the multi-phase windings of the motors and calculate counter electromotive force voltage to obtain the position information of the rotors, and main controllers in communication with the drivers obtain the real-time speed of the motors through the position information of the rotors. The drivers can obtain detailed position information of the rotors while keeping high-speed and stable operation of the motors in a sensorless control mode, it is unnecessary to additionally arrange rotor position sensors or speed measurement sensors, feedback deflection caused by installation angles of the sensors or changes of environment temperature is reduced, the rotation speed of the independent transmitters can be monitored in real time, and closed-loop control can be achieved through speed feedback.

The invention provides a method for realizing a dual protocol-based VPN, which is based on a code, an integrated circuit board of an industrial computer, a chip and network technique. The design concept of a special operation system of a microkernel is used for establishing an encryption system with a plurality of key systems; the method of pre-sharing the key is adopted to share the key secretly under the protection of encryption algorithm; each IP data packet has a key to establish standard encryption channel of IPSec and select an IP level (a third level) to establish a special encryption channel; the encryption channels are used for managing all the remote VPN gateways, establishing the function of auditing and logging and integrating the main safety function modules such as encryption algorithm, key management, a VPN standard protocol, a VPN special protocol, management tools and the function of auditing and logging into a whole; at the same time, the self-destruction function of a VPN functional module driven by a hardware is realized; thereby, a virtual special network based on the dual protocol is established.

The invention provides a ball injecting de-blocking hydraulic tubing anchor which comprises a lower connector, a central tube and an upper connector arranged on the central tube in a sleeved mode. The ball injecting de-blocking hydraulic tubing anchor is characterized in that the outer wall of the central tube is connected with a piston through a second shear pin, a piston cylinder sleeve is arranged on the outer wall of the piston in a sleeved mode, the inner wall of the piston cylinder sleeve and the outer wall of the piston form a piston cylinder, a locking ring is arranged at the lower end of the piston cylinder and connected with the piston cylinder sleeve in a threaded mode, the lower end of the locking ring is connected with a locking ring back band, the lower end of the piston is provided with a two-way slip connected with the central tube through an elastic part, the two ends of the inner side of the two-way slip are oblique planes, an upper cone and a lower cone are wedged into the two oblique planes respectively, the lower end of the central tube is connected with a pawl sleeve, the lower end of the pawl sleeve is provided with an elastic pawl, a de-blocking ball base is connected with the inner wall of the elastic pawl through a fourth shear pin, and the lower connector is arranged on the outer wall of the de-blocking ball base in a sleeved mode. The ball injecting de-blocking hydraulic tubing anchor has the advantages of being high in safety factor, convenient to use and suitable for various operating environments.

The invention relates to a dynamic liquid level height measuring device and a measuring method as well as a closed-loop control system based on the measuring device and a control method. An image of a floater rod which is floated in liquid and is varied in height along the liquid level change is collected in real tine by utilizing a camera system, the image is processed by a data processor in real time to obtain a dynamic height of the floater rod, so that the dynamic measurement of the liquid level height is realized; a PLC (programmable logic controller) control system is connected with the data processor of the dynamic liquid level height measuring device to obtain a variation value of the height of the liquid level to be measured, the PLC control system obtains the control quantity according to the variation value obtained by the data processor and transmits the control quantity to a plug rod actuating mechanism, the plug rod actuating mechanism controls a plug rod according to the control quantity so as to adjust the volume of the liquid flowing into a guide port of a guide mechanism from a liquid supplementing port and to realize the closed-loop control on the liquid level height in a vessel to be measured. The device is simple, the reliability is strong, the measuring and control precision is high, and the cost is low.

The invention belongs to the field of mechanical conveying of corrosive liquid chemicals, and particularly relates to an anti-corrosion nested type gear and a gear pump filling machine. The anti-corrosion nested type gear comprises an inner tooth ring and an outer tooth ring, wherein the outer tooth ring is nested at the outer part of the inner tooth ring; an axial hole is formed in the center of the inner tooth ring; multiple first tooth threads are arranged on the outer circumferential surface of the outer tooth ring; the outer tooth ring is made of anti-corrosion plastic. The anti-corrosion nested type gear disclosed by the invention has the beneficial effects that not only can a gear be simply and efficiently disassembled, assembled and replaced, but also a working environment for conveying the corrosive liquid chemicals by the gear pump filling machine can be well adapted, and meanwhile, the service life of the gear is prolonged.

The invention discloses refrigeration equipment capable of automatically balancing the filling quantity of a refrigerant. The refrigeration equipment comprises a compressor, a condenser, a condensatefan, an expansion valve, a plate type heat exchanger, a gas-liquid separator, high-pressure and low-pressure sensors, a filling tank, two solenoid valves, a heating belt and a pressure sensor; and theoutput end of the compressor is connected with the input end of the condenser, the high-pressure sensor is connected to a connecting pipe, the output end of the condenser is provided with a first branch circuit and a second branch circuit, the first branch circuit is connected with the input end of the expansion valve, then sequentially connected with the plate type heat exchanger and the gas-liquid separator, and finally connected into the input end of the compressor, the low-pressure sensor is connected to a connecting pipe between the gas-liquid separator and the input end of the compressor, the second branch circuit of the output end of the condenser is connected with the input end of the filling tank, the first solenoid valve 61 is arranged on a connecting pipe, the output end of thefilling tank is connected with the input end of the gas-liquid separator, the second solenoid valve is arranged on a connecting pipe, and the electric heating belt is wound around the surface of a tank body of the filling tank, and the tank body is connected with the pressure sensor. The pressure of the filling tank can be controlled by controlling on-off of the electric heating belt.

A lithium ion battery module for an electric forklift truck, and a power supply box, which belong to the technical field of lithium ion batteries. The battery module comprises a housing and a batterypack in the housing; the battery pack comprises cells (11), an inter-cell heat insulation sheet (12), and a bottom surface insulating plate (13), a side surface insulating plate (15) and an end surface insulating plate (14) which are at the periphery of the cells (11), and a bus bar support (7) at the top; the cells (11) are square lithium iron phosphate batteries, and are grouped in a mode with each parallel branch having eight cells which are connected in series, a protruding spacer (18) is provided on the surface of the side surface insulating plate (15) and the surface of the bottom surface insulating plate (13), and the bus bar support (7) is provided with an inter-cell (11) connection bar (4) and an end connection bar (6). The power supply box comprises a box body (34), the box body(34) is internally provided with a high-voltage box (35), a BMS and the described lithium ion battery module for an electric forklift truck, a box cover (39) is provided on the box body (34), and an exhaust valve (50) is provided on the box cover (39). The lithium ion battery module and the power supply box both have high reliability in terms of structure and thermal performance.

The invention discloses a single-pump and double-motor closed type hydraulic system for a travelling mechanism of a land leveler. A port B of a first cartridge valve, a port R of a reversing valve, a port D of a second cartridge valve and a port J of a fourth cartridge valve are communicated with an outlet of a hydraulic pump. A port A of the first cartridge valve, a port G of a third cartridge valve, a port M of a fifth cartridge valve and an outlet of a relief valve are communicated with an oil tank. A port F of the second cartridge valve and a port I of the third cartridge valve are communicated with a port U of the reversing valve, a port L of the fourth cartridge valve and a port P of the fifth cartridge valve are communicated with a port T of the reversing valve, and a port E of the second cartridge valve, a port N of the fifth cartridge valve, a port X of a first hydraulic motor and a port Q of a second hydraulic motor are communicated, and a port H of the third cartridge valve, a port K of the fourth cartridge valve, a port Y of the first hydraulic port and a port V of the second hydraulic motor are communicated. The single-pump and double-motor closed type hydraulic system has the advantages of simplicity and compactness in design, capability of greatly improving quality of hydraulic oil in the system, adaptability to severe working environments, introduction of the cartridge valves, low cost in production, operation and maintenance, and convenience in popularization and use.

The invention relates to a free mode testing system in a guided missile rotation state. The free mode testing system in the guided missile rotation state comprises a suspension device, an excitation device and a data acquiring and analyzing device, and is characterized by further comprising a guided missile rotation driving device and a rotation transmission device; the suspension device comprises suspension frames; each suspension frame consists of a mounting frame, a hoop bearing and an elastic rope; the guided missile rotation driving device comprises a variable frequency motor and a frequency converter with the frequency range of 5Hz-20Hz; the rotation transmission device comprises a transmission shaft; one end of the transmission shaft is universally connected with a rotating shaft of the variable frequency motor while the other end of the transmission shaft is universally connected with a clamping piece at the tail end of a guided missile testing sample piece; the data acquiring and analyzing device comprises an acceleration sensor, a force sensor, a charge amplifier, a data recording instrument, a wireless signal transmitter, a wireless base station and a computer terminal; the acceleration sensor is arranged on the guided missile testing sample piece and is wirelessly connected with the wireless base station through the wireless signal transmitter; the force sensor is connected with the data recording instrument through the charge amplifier; and the wireless base station and the data recording instrument are connected to a computer terminal.

The invention discloses a jack used on various grounds. The jack comprises a base, a supporting part, a hydraulic pump and a spanner. A sliding plate and a foot plate are arranged in the base, a plurality of first reset springs are arranged between the sliding plate and the foot plate, and a plurality of second reset springs are arranged between the sliding plate and the inner wall of the base. The sliding plate is provided with a first handle, a first positioning hole and a plurality of first supporting blocks, a positioning rod is connected into the first positioning hole, a plurality of second positioning holes are formed in a positioning part, and positioning rods are arranged in the second positioning holes. Each positioning rod is provided with a cone frustum, wherein the cone frustum is arranged above the positioning part, a protection cover is arranged on the positioning part, a hole is formed in the protection cover, and a positioning spring is arranged between the protection cover and the cone frustum. A plurality of supporting legs and a plurality of second supporting blocks are arranged on the foot plate. Compared with the prior art, the jack used on various grounds is simple in structure, low in manufacturing cost, capable of being used in some extreme environments of snowfields and grasslands and applicable to most working environments.

The invention relates to a field discrete type seismic digital recording instrument. The field discrete type seismic digital recording instrument comprises a wave detector, an interface circuit, a sampling holder, an A/D converter, a CPU, a GPS module and a data memory; the wave detector is used for detecting seismic wave signals; the signal output end of the wave detector is connected with the signal input end of the interface circuit; the signal output end of the interface circuit is connected with the signal input end of the sampling holder; the signal output end of the sampling holder is connected with a signal input end of the A/D converter; the signal output end of the A/D converter is connected with the signal input end of the data memory; the clock signal input end of the data memory is connected with the signal output end of the GPS module; and the GPS module is connected with an antenna. No cables or wires exist on the field discrete type seismic digital recording instrument of the invention, and limitations caused by wire and cable connection can be eliminated, and therefore, the field discrete type seismic digital recording instrument is very convenient to use.

The invention discloses a home service robot intelligent navigation algorithm adapting to a complex environment, which integrates information of multiple sensors, reconstructs the working environmentof a robot in real time, effectively enhances the robustness of a system and realizes all-time and all-weather navigation and positioning of the robot in a strange environment. According to the invention, an evaluation model is established, an optimal local path planning algorithm is selected, and the local path planning algorithm is optimized in combination with the height information, so that the problem that a robot cannot accurately judge whether an obstacle exists in a current advancing path or not due to the fact that the robot cannot sense the height information on a map is solved, andthe traditional ant colony algorithm is optimized., and the problem of path planning when the home service robot has a plurality of necessary working points is solved. Meanwhile, the algorithm has higher convergence speed, and the performance of the algorithm is obviously improved.

The invention discloses an air purification system and method with air energy recycling and utilizing functions. The air purification system comprises a shell, wherein a fresh air inlet, an indoor air inlet and an indoor air outlet are formed in the shell, and a fresh air fan, a primary filter screen, a fresh air purification and filter device, an air energy mixing and exchanging cavity and a purification synchronization fan are arranged in the shell; an air inlet of the fresh air fan communicates with the air energy mixing and exchanging cavity; the indoor air inlet communicates with the air energy mixing and exchanging cavity; an air inlet of the purification synchronization fan communicates with the air energy mixing and exchanging cavity, an air outlet of the purification synchronization fan communicates with the indoor air outlet, and an air purification device is arranged at the communicating position of the air inlet of the purification synchronization fan and the air energy mixing and exchanging cavity; and the air energy mixing and exchanging cavity is internally provided with a heat recovery radiator, a mains supply adapter, a charge-discharge controller, a storage battery, a system controller, a sensor box and a data communication device. According to the air purification system and method, fresh air and indoor air can be synchronously purified, and air energy is recycled and utilized.