136results about How to "With self-protection function" patented technology

The invention discloses a battery management system of a vehicle-mounted lithium power battery. The system includes a master control unit and slave control units. The master control unit is in communication connection with the multiple slave control units through a data bus. The master control unit is in connection with battery groups, the total voltage and total current of which are acquired. The master control unit is also connected to a DC power supply, and is in connection with a charger through an external CAN bus. The master control unit mainly includes: a master microcontroller module, a total voltage detection module, a total current detection module, a battery system insulation detection module, a battery operating environment temperature detection module, a relay driving module, a data storage module, a bus communication module, an isolated power supply module, and a physical interface module of power supplies, data, signals, etc. The system provided in the invention has the advantages of simple structure, strong expansibility, and adaptability to different numbers of batteries. Being fully functional, the system has the functions of temperature control, equalization processing, battery performance evaluation, and battery self-protection, etc.

The invention discloses a kitchen solid-liquid waste separator. The kitchen solid-liquid waste separator comprises a housing, a deslagging motor, a helical auger and a filter grill, wherein a slag inlet, a slag outlet and an oil-water outlet are formed in the housing; the slag outlet is connected to a waste residue barrel through a pipe; an upper lift plate is arranged at the upper end of the housing; a microswitch is arranged between the upper lift plate and the housing; the deslagging motor is fixed outside the housing; one end of the helical auger is fixed with the deslagging motor, and the other end is arranged at the slag outlet; the filter grill is fixed at the periphery of the helical auger; a spray nozzle is arranged at the lower end of the housing, and a water outlet of the spray nozzle aligns the helical auger. With the structure, the kitchen solid-liquid waste separator can remove moisture in the kitchen waste so as to facilitate the reuse of the kitchen waste, has a self-protection function, and can ensure the safety of an operator.

The invention relates to a pipe flow velocity monitor which belongs to the field of fluid monitoring. The inner wall of the pipe is provided with an inner cylinder through a rib plate. The left chamber of the inner cylinder is provided a circuit board, and an end is provided with a left end cap. A left end rod, which is provided with an exciter, of a force applying rod extends out of the left end cap. A right end rod, which is sleeved by a balancing spring, of the force applying rod is arranged in a guiding hole on a baffle board, and furthermore the end of the right end rod is provided with a buffer pad. A transducer which is composed of a slide carriage and a piezoelectric vibrator is sleeved in a right chamber. The piezoelectric vibrator is obtained through binding a metal substrate and a piezoelectric wafer. An insulating pad is arranged between the adjacent piezoelectric vibrators of two transducers. The piezoelectric vibrators at two ends of the right chamber respectively contact with buffer pads on the right end rod and a right end cap. The pipe flow velocity monitor is advantageous in that a coupling function between the exciter and fluid is utilized for generating electric power and automatic measurement for the flow velocity is realized, and real-time flow velocity monitoring in the true sense can be realized; the components are configured along the length direction of the pipe, thereby realizing simple structure, small radial size, and easy required energy acquisition through multiple transducers; and the piezoelectric vibrator has advantages of reasonable structure, self-protecting function, high power generation amount and high reliability.

The present invention discloses a multipath high-precision temperature controller, and comprises a port board and a temperature control board, and is applied to the back bonding hot pressing solidification. The temperature control board comprises a collecting module, a driving module, a control module, a communication module, and a power supply module. A process controller sets the hot pressing head working temperature, and the set value is outputted to the control module through the port board and the communication module. The collecting module outputs the hot pressing head temperature value collected by a platinum resistor to the control module, at the same time performs the linearization processing for the temperature characteristic of a sensor. The control module compares the temperature set signal with the collected temperature signal, the difference signal of the temperature set signal and the collected temperature signal is performed by the PID operation to produce the control signal which is outputted to the driving module. The driving module adopts the PWM way to control a field effect transistor for driving the heating element of the hot pressing head. The present invention can realize the temperature control precision with being plus or minus 1 DEG C for the hot pressing head in between o DEG C and 300 DEG C, and realize the temperature control of 2048 hot pressing heads at beast through the expanding port board, the temperature control board, and the hot pressing heads.

The invention discloses a mobile communication terminal, which comprises a state detection module, a state judging module, a power source switching module, a state storage module, a protected mode starting module and a control module, wherein the state detection module is used for detecting the mobile state of the mobile communication terminal and producing state information; the state judging module is used for producing a state judging result after the state information is compared with a preset value; the control module is used for controlling the operation of the mobile communication terminal according to the state judging result; and if the judging result is that the mobile communication terminal is in a dropping state, under the control of the control module, the working state of the mobile communication terminal during dropping is stored by the state storage module, a standby power source is switched by the power source switching module to supply power, and a safety protection mode is started by the protected mode starting module. When the mobile communication terminal accidentally drops, the current working state can be automatically stored and the safety protection mode in which the standby power source is used to supply power is switched to, thereby performing an automatic protection function. Meanwhile, the invention discloses an automatic dropping protection method of the mobile communication terminal.

The invention discloses a self-protecting safe working head of a lawn machine and particularly discloses the self-protecting safe working head of a self-propelled lawn machine, comprising a motor output shaft, a round cutter head, blades, a connecting rod, a universal joint, a spring and a rubber protective cover, wherein a plurality of blades are arranged on the round cutter head; the self-protecting safe working head is characterized in that the round cutter head is connected with the motor output shaft through the connecting rod and the universal joint; and the spring is arranged between the round cutter head and the motor output shaft. When the self-protecting safe working head of the lawn machine meets barriers such as a stone during working, the working head automatically rebounds or deflects upwards so as to avoid the barriers, returns to the working position under the action of the spring after passing through the barriers, is protected to cross the barriers smoothly, improves the capability of the self-propelled lawn machine crossing the barrier, has self-protection function and is safer during the usage.

The invention relates to a novel device aiming at solving the problem of internal temperature measurement of a coke oven. The device comprises the following parts: an intelligent wireless data collection and transmission device, a bionic high-temperature-resistant protection device, a car-mounted computer workstation and a base central computer workstation, wherein the outside of the intelligent wireless data collection and transmission device is provided with the bionic high-temperature-resistant protection device. The intelligent wireless data collection and transmission device carries out mutual contact and information transmission with the car-mounted computer workstation by first-grade wireless communication. The car-mounted computer workstation carries out mutual contact and information transmission with the base central computer workstation by second-grade wireless communication. The device can substitute an original indirect temperature measurement device to carry out wide-angle multi-directional entire direct temperature measurement. A set of temperature measurement devices can be continuously and repeatedly used, has no interchangeable error, can carry out periodical common measurement to tens of thousands of important temperature measurement points of the coke oven, and has accurate measurement data, easy management, easy maintenance and very high direct economic benefits.

The invention provides a clearance self-regulating mechanism in an automobile air pressure disc brake, belongs to the technical field of automobiles, and is used for solving the technical problems that the assembly production efficiency is relatively low and the like in the prior art. According to the clearance self-regulating mechanism in the automobile air pressure disc brake, the air pressure disc brake comprises a seat body, a pushing rod and a cam wheel; the mechanism is arranged on the seat body and is positioned between the pushing rod and the cam wheel; the clearance self-regulating mechanism comprises a support and a regulator assembly arranged on the support; the pushing rod penetrates through the support; the regulator assembly is positioned at the side part of the pushing rod;a spiral pipe is sleeved on the pushing rod; the spiral pipe is connected with the pushing rod through screw threads; the outer side surface of the spiral pipe is provided with an annular tooth; the regulator assembly is provided with a transmission gear; the transmission gear is meshed with the annular tooth at the outer side surface of the spiral pipe; the cam wheel is provided with a dial pin;and the regulator assembly can be dialed through the dial pin so as to enable the transmission gear to rotate unidirectionally. The mechanism enables the regulator assembly to form an individual module, and the production and assembly efficiency is improved.

The invention belongs to the field of material loading, mining, tunneling, tunnel excavation and the like, and particularly relates to a method and a machine for loading rolling raked materials. The machine comprises a shovel and / or a conveying mechanism, each of the shovel and the conveying mechanism consists of a traveling mechanism, the machine also comprises a rolling raked material loading mechanism which consists of a rolling rake and a support, the rolling rake is hinged with the support, is positioned at the front or above the front of the shovel and / or the conveying mechanism, and consists of rake loading teeth, the length of each rake loading tooth is not smaller than a half of the granularity of materials required to be loaded, and the support is disposed on the shovel and / or the conveying mechanism. The materials which are discharged during mining tunneling, roadway excavation and the like are loaded according to field characteristics such as the different block sizes, the different weights, the different constitutions and the flatness of the ground and requirements of the field characteristics, and the method and the machine for loading the rolling raked materials are particularly suitable for coal mining, tunneling, tunnel excavation, material loading and the like.

The invention discloses a method for heating and melt-cladding a TiC reinforced high-entropy alloy wear-resistant composite coating through high-frequency induction. An inductor is adopted to heat andmelt-clad mixed powder prepared from Ni-Cr-B-Si, Co-Cr-B-Si, Cu, Al and TiC according to a certain proportion under the protection of argon gas on the surface of low-carbon steel; composition elements are five elements or more, and during a melt-cladding process, a retardation effect of a high-entropy alloy is achieved, and primary Cr7C3 has the characteristic of fine grain size; the AlCoCrCuNi high-entropy alloy coating reinforced by TiC and Cr7C3 is finally formed on a surface of a steel substrate.

The invention discloses a fresh air PM2.5 air purifier. The fresh air PM2.5 air purifier comprises a shell, an air purification device and an openable door, wherein the air purification device is arranged in the shell; the shell is in a cuboid shape, an air inlet pipe connector is arranged on one side face of the shell, and an air outlet pipe connector is arranged on the other side face opposite to the air inlet pipe connector. The air purification device is of a plate type and comprises a primary-efficiency filter net, an electrostatic dust collector, a high-efficiency filter net, a composite ozone removal activated carbon net and a photochemical catalysis filter net which are sequentially arranged between the air inlet pipe connector and the air outlet pipe connector. A sterilization ultraviolet lamp is arranged between the activated carbon net and the photochemical catalysis filter net. A negative-ion generator is further arranged behind the photochemical catalysis filter net. The openable door is in hinge joint with the shell and is provided with a terminal board and a door control switch. The fresh air PM2.5 air purifier can remove PM2.5 and haze efficiently, kill various bacteria and fluid pathogens in air and increase negative oxygen ions in a room and has the functions of low air resistance, low energy consumption, no ozone and multiple power-off protection, and a filter layer does not need to be replaced frequently.

The invention relates to self-assembling and self-healing power distribution equipment, comprising a main power supply circuit, a secondary power supply circuit and a monitoring terminal. The main power supply circuit comprises a transformer, comprehensive relay protectors and a switch cabinet, wherein the switch cabinet is respectively connected with the transformer and the comprehensive relay protectors, and the main power supply circuit further comprises a wireless transmitting-receiving module connected with the monitoring terminal. The secondary power supply circuit and the main power supply circuit are the same in structure, and each one of the main power supply circuit and the secondary power supply circuit respectively comprises a safe control module connected with a corresponding comprehensive relay protector; each safe control module comprises a control module and a wireless transmitting-receiving module; and the safe control modules are communicated with the wireless transmitting-receiving modules connected with the monitoring terminal through a wireless network. The invention further relates to a safe switching method of the self-assembling and self-healing power distribution equipment, which can be used for monitoring a power utilization unit in real time. The safe switching method provided by the invention has a self-protection function, can realize automatic switching, and can prevent the transformer from various accidents which have chance to occur.

The invention discloses a multifunctional anti-theft door, which comprises a door plate, an observation hole, a multifunctional anti-theft lock, a door handle, a door frame and a hinge, wherein the right end of the door plate is evenly and equidistantly provided with three hinges, and is fastened to the door frame through the hinge; the observation hole is circular structure and is arranged in theupper end of the middle part of the door plate in embedding mode. When the multifunctional anti-theft lock drives the door handle to be reset and closed, a driving wheel is arranged to synchronouslyrotate a main transmission mechanism; a linkage mechanism is respectively engaged through a second transmission mechanism to push a sealing mechanism outward, and effective sealing is carried out through a sealing strip; when the door handle is rotated at the time of opening the door, the sealing mechanism is automatically stored by a resetting device to avoid friction with a bottom plate; the multifunctional anti-theft door has a certain self-protection function, the problem that the door gap is too large can be effectively solved, the sound insulation capability is improved, and the safety is improved, so that a bad man who wants to carry out theft can do nothing.

The invention belongs to the technical field of computers, and relates to a computer, in particular to a single-host security computer based on a satellite system. The single-host security computer comprises a host and a case, wherein the case has an electromagnetic shielding function; the host is connected with an intelligent board; and the intelligent board controls component interconnection and data transmission by a PCI-E (Peripheral Component Interconnect-Express) bus. The single-host security computer has triple illegal-start preventing function, one-way information conversion function, power-failure preventing active or passive self-destruction function and the like, has good application prospect in the technical field of computers, and can made contribution to the institutions such as party and government offices, military, national defense career and scientific research institutions.

This invention relates to an antistatic protection circuit used in a luminetron which installs in parallel a set of serial butt joint diodes with the luminotron in the circuit, the diodes can be either negatively or positively inter-connected. When their negatives are inter-connected, the positives are connected with both poles of the luminotron, when their positives are interconnected, the negatives are connected with both poles of the luminotron. The reversed blackout voltage should be less than that of the luminotron and larger than that of the forward working voltage. A set of serial opposite-joint diodes can be formed by two or many diodes to form antistatic protection circuit which can be made up of isolated components or semicondutor integration.

The invention belongs to the technical field of computers, relates to a security computer, and particularly relates to a double-host security computer based on a satellite system. The double-host security computer comprises hosts and an enclosure, wherein the number of the hosts is two, and the hosts are respectively a secrecy-involved host and a non-secrecy-involved host, the two hosts are isolated by a way of physical shielding isolation, the secrecy-involved host and the non-secrecy-involved host are respectively connected with a physical switcher, the physical switcher is connected with an intelligent plate, and the intelligent plate controls the interconnection and data transmission of components through a PCI-E bus. The computer disclosed by the invention both can be applied to the industrialized production of integrated desk computers and the industrialized production of portable computers, and has a triple illegal-start-preventing function, a one-way information transformation function and a power-cut active or passive self-destruct preventing function, and the like, therefore, the double-host security computer has a good application prospect in the technical field of computers, and makes contributions to departments such as party and government organizations, military departments, national defense departments, scientific research institutions and the like.

The invention provides a diaphragm pump with an automatic protection function and an automatic protection method of the diaphragm pump. Parameters of the diaphragm pump such as diaphragm oil pressure, slurry pressure, piston strokes and the like can be monitored in real time by arranging a first pressure sensor for monitoring oil pressure in a diaphragm oil cavity in the diaphragm pump, a second pressure sensor for monitoring the slurry pressure in a pumping outlet pipeline in the diaphragm pump, a third pressure sensor for monitoring the slurry pressure in a pumping inlet pipeline in the diaphragm pump and a strokes detection sensor for monitoring piston strokes in the diaphragm pump, whether wearable parts such as a valve chamber, the diaphragm, a check valve, a piston cylinder and the like of the diaphragm pump is abnormal or not is automatically judged according to the variation of parameters, so that the automatic protection function of the diaphragm pump can be realized, the maximum service life of each wearable part of the diaphragm pump can be prolonged, the repairing cost of the diaphragm pump can be reduced, and the working efficiency of the diaphragm pump can be effectively improved.

The invention provides a light reflecting film surface layer which serves as a surface layer of a light reflecting film. The surface layer comprises a base material, a plurality of light-transmitting protrusion structures are formed on a surface of the base material at a uniform interval, and the protrusion structures have flat top surfaces; a part, provided with no protrusion structure, of the surface of the base material is coated with a hydrophilic layer; the protrusion structures can be used for rapidly guiding water droplets to converge onto the hydrophilic layer and therefore protecting the hydrophilic layer from damage; the invention also provides the light reflecting film including the surface layer and manufacturing technologies therefor. Light reflecting performance of the light reflecting film surface layer and the light reflecting film cannot be affected by tiny water droplets, and a hydrophilic zone can be protected by the protrusion structures; an inorganic oxide coating on the hydrophilic zone can be prevented from being damaged or being stained by various kinds of grease when the light reflecting film is stored, transported, reprocessed and used; the light reflecting film is enabled to have a self protection function and permanently keep good dew-prevention and frost-prevention performance.

The invention discloses a field suppression and over-voltage performance testing instrument applied to an excitation system and a testing method thereof. The testing instrument is composed of a voltage adjusting and boosting unit, a rectifier and filter unit, a detection display unit, a function selection pressing plate, a divider resistance sampling unit, and a display unit. The voltage adjusting and boosting unit consists of a regulator, a change-over switch, a first boosting transformer, and a second boosting transformer. The detection display unit is connected with a testing loop. The function selection pressing plate can be connected to a current-limiting resistor of the testing loop selectively. The divider resistance sampling unit includes a plurality of resistors that are connected in series mutually and are connected into a high-voltage output loop. The display unit is used for displaying a testing voltage value and a testing loop leakage current. The testing instrument is connected to a single-phase power supply and then regulator carries out processing; when the first boosting transformer is collected selectively by the change-over switch, a rectifier circuit and a filter capacitor carry out processing to output a high-voltage direct current; and when the second boosting transformer is collected selectively by the change-over switch, a high-voltage alternant current is outputted and the divider resistance sampling unit is connected. According to the invention, the field suppression performance of the excitation system of the generator can be detected and the motion reliability of the electronic jumper control loop and the over-voltage protection loop can be checked.

The invention belongs to the technical field of computers, and relates to a security computer, in particular to a double-host physical isolation double-display computer with a switching circuit. The computer comprises a master control system, hosts and a case, wherein the master control system comprises an intelligent master control unit and a switching unit. The two hosts include the security host and the non-security host respectively, physical shielding isolation is achieved between the two hosts, a keyboard and a mouse of the security host and a keyboard and a mouse of the non-security host are respectively connected to the switching circuit of the intelligent master control system, and the double hosts are switched for use through the intelligent master control system. The computer can be used for integrated desk computer industrial production, has the triple illegal starting preventing function, the one-way information conversion function, the outage preventing active or passive self-destruction function and the like, has good application prospects in the technical field of computers, and makes contributions to departments such as party and government organizations, army, national defense and scientific research institutions.

The invention relates to an energy converter for fluid, pertains to the technical field of energy conversion, which can convert the kinetic energy of a fluid in any direction into mechanical energy for rotating in oriented way about a rotary shaft by the following propose: a fluid energy converter, a rotatable main shaft and at least two rotating parts that are isolated each other and drive the main shaft to rotate in the same direction and rotate about a cross shaft that is vertical to the main shaft, a rotating part comprises at least one cross shaft that is vertical to the main shaft and fixed, at least one group of longitudinally rotating blades that rotate about the cross shaft and a cross baffling shaft that baffles the longitudinally rotating blade at the lowest point and is vertical to the main shaft. The invention can take use of wind, water flow, wave, tide, pressure oil and steam for generating power, irrigation and transportation, etc., and is of a wonderful market prospect.

The invention relates to the technical field of gantry machine tools and discloses a crossbeam clamping mechanism used for a heavy-duty crossbeam-elevating gantry machine tool. The crossbeam clampingmechanism comprises a clamping guide rail part fixedly arranged on a machine tool column, a clamping guide rail groove parallel to a column guide rail and a clamping part fixedly connected with a machine tool crossbeam. The clamping part comprises a driving structure, a driving rod, a wedge-shaped pressing block and wedge-shaped pressing boards. Two sides of the wedge-shaped pressing block are equipped with pressing block slopes. The wedge-shaped pressing boards have pressing board slopes. The pressing block slopes and the pressing board slopes gradually tilt from the back to the front towardsthe axial direction of the driving rod. When the driving rod moves forwards, the wedge-shaped pressing block at the front end is pushed to move forward. The pressing block slopes correspond to and push against the pressing board slopes. The wedge-shaped pressing boards on two sides expand towards the left-right direction and push and clamp tightly against two side surfaces of the guide rail groove. Therefore, the clamping mechanism does not directly contact a crossbeam guide rail and the column guide rail. Damage and deformation to the crossbeam guide rail and the column guide rail due to long-term frequent clamping operation are avoided. Therefore, clamping positioning precision of subsequent crossbeams on the column is ensured.

The invention discloses a multifunctional automatic acquisition and sample preparation system for airborne dust. The multifunctional automatic acquisition and sample preparation system comprises a suction filtration window and a suction filtration device, wherein a filterable membrane band is arranged between the suction filtration window and the suction filtration device and is driven by a conveying device, and the conveying device is controlled by an electric control system; a printer, a thermoplastic membrane packaging device and a filterable membrane sample storage room are arranged in the system, wherein the printer is used for printing marks on the filterable membrane band, the thermoplastic membrane packaging device is used for carrying out plastic packaging on a sampled filterable membrane sample, and the filterable membrane sample storage room is used for storing the plastic-packaged filterable membrane sample; and the system further comprises a gas flowmeter. According to the multifunctional automatic acquisition and sample preparation system, the fixation, acquisition, preparation, marking, sealing and storage of the filterable membrane sample can be automatically carried out, so that the quality in the acquisition and preparation of the sample is improved, the uniqueness and representativeness of the sample and the stability of the physical and chemical properties of the sample are guaranteed, and the requirements on the sample in modern analytical detection are met. The system is provided with devices for being connected and fixed with other analytical equipment, and communication and numerical control interfaces of the devices, so that the effects of the remote automatic acquisition and preparation and real-time detection and analysis of airborne dust samples are realized.

The invention belongs to the field of mining, mine tunneling and tunnel excavation, and particularly relates to a material raking and breaking and surface cleaning loader which comprises a material raking mechanism and a material guiding and conveying device. The material raking mechanism is positioned at the front, the upper portion and / above the front of the material guiding and conveying device. The material raking and breaking and surface cleaning loader prevents potential safety hazards during operation, is reliable in use and can quickly scrape materials in a multi-row manner, work efficiency is greatly improved, energy consumption is reduced, and the material raking and breaking and surface cleaning loader is flexible in operation and high in efficiency.

The invention belongs to the technical field of transportation machines and provides a constant-pressing-force sweeping system used for a ribbon conveyer and having an automatic compensation function. By the adoption of the constant-pressing-force sweeping system, the contact force between a scraping plate and a conveying belt is constant, and an ideal cleaning effect is achieved. The constant-pressing-force sweeping system used for the ribbon conveyer and having the automatic compensation function comprises a sweeper assembly, a rotating assembly, a hydraulic system and an electric control system. The rotating assembly is connected with a sweeper and a piston rod of a hydraulic cylinder of the hydraulic system. The electric control system detects and controls pressure information of the hydraulic cylinder. When the conveyer is stopped, the scraping plate is controlled to be separated from the conveying belt, so that the starting resistance when the conveyer is started next time is reduced; after the conveyer is started, the scraping plate is controlled to rapidly make contact with the conveying belt, and the set pressing force is obtained; when the scraping plate is abraded, an oil cylinder is automatically replenished with oil, and the effect that the pressure in the oil cylinder is constant is guaranteed; and when the scraping plate is abraded to the limit, the conveyer is stopped, and an alarm is given. By the adoption of the constant-pressing-force sweeping system, the starting resistance of the conveyer can be reduced, the pressing force between the scraping plate and the conveying belt is automatically controlled to be constant, and the sweeping efficiency and the automation degree are improved.

The invention discloses an aluminum-titanium-silicon carbide composite refractory castable for an iron-making blast furnace. The castable comprises the following components in percentage by mass: 56%-78% of Al2O3, 4%-16% of TiO2, 5%-18% of SiC, 0.1%-1.5% of Fe2O3, 5%-34% of SiO2 and the balance of CaO, and MgO, K2O, Na2O 0.3%-2.0%. The aluminum-titanium-silicon carbide composite refractory castable for the iron-making blast furnace, provided by the invention, can be used for pouring of a hearth lining, an iron notch area, a tuyere area and a cooling wall working end, wet spraying of parts such as a bosh, a furnace bosh and the middle upper part of a furnace body, and the like. During use, when a TiO2 component in the aluminum-titanium-silicon carbide composite refractory castable is in contact with N2, CO and C in a blast furnace, carbonitride with high hardness, high refractoriness and good stability is generated on a contact interface, so that the capacity of the refractory castable for resisting chemical erosion and mechanical erosion of products in the furnace is improved, and the built furnace lining has a self-protection function; the damage rate of the furnace lining is reduced, and the service life of cooling equipment, a furnace shell and the like is prolonged, so that the service life of the blast furnace is prolonged.

The invention discloses a thermal forming machine comprising a frame, a fixed mold platform, a mobile mold platform, and a mobile mold platform elevation driving mechanism. Molds are arranged on the fixed mold platform and the mobile mold platform. The mobile mold platform elevation driving mechanism is a cam mechanism or a linkage mechanism. The mobile mold platform is connected to a power output terminal of the mobile mold platform elevation driving mechanism. The machine is characterized in that: the thermal forming machine also comprises a fixed mold platform position adjusting mechanism;and the fixed mold platform position adjusting mechanism comprises at least one fixed mold platform position adjusting hydraulic cylinder used for applying thrusting forces upon the fixed mold platform towards the mobile mold platform. According to the invention, the fixed mold platform position adjusting hydraulic cylinder is arranged in the thermal forming machine, and certain thrusting forces can be applied on the fixed mold platform towards the mobile mold platform by the fixed mold platform position adjusting hydraulic cylinder. When mold platform closing or shearing overloading is caused by an unexpected event, a designed output pressure of the fixed mold platform position adjusting hydraulic cylinder is exceeded, and the fixed mold platform position adjusting hydraulic cylinder is forced to flyback, such that the mold platforms, the molds and the mobile mold platform elevation driving mechanism are prevented from being damaged. Therefore, a self-protection function is provided for the machine.

The invention discloses a power supply system based on sea wave power generation, and particularly relates to a sea wave power generation power supply system based on the piezoelectric effect. The power supply system comprises a power generation system and an energy storage system. The power generation system comprises a plurality of power generation devices arranged side by side in an array mode, the power generation devices comprise bases and piezoelectric power generation sheets on the bases, each piezoelectric power generation sheet (12) comprises at least one homopolar piezoelectric ceramic power generation sheet, the homopolar piezoelectric ceramic power generation sheets are arranged on the corresponding bases (11) side by side in a common negative pole mode, and protection layers (13) made of corrosion resisting materials are arranged on the outer layers of the piezoelectric power generation sheets (12), and completely seal the piezoelectric power generation sheets (12). Meanwhile, the power generation system with the power generation devices and the power supply system are provided, and the advantages of being high in power generation efficiency, stable in power supply voltage and long in service life are achieved.

The invention belongs to the technical field of computers, and relates to a one-computer double-network physical isolation computer, in particular to a double-host satellite positioning security computer with a multi-channel switching circuit. The computer comprises a master control system, hosts, a power source and a machine case, wherein the master control system comprises an intelligent master control unit and a switching unit. The two hosts include the host 1 and the host 2 respectively, physical shielding isolation is achieved between the two hosts, connectors of a keyword and a mouse of the host 1 and connectors of a keyboard and a mouse of the host 2 are respectively connected to the multi-channel switching unit of the intelligent master control system, and the double hosts are switched for use through the intelligent master control system. The computer can be used for integrated desk computer industrial production, has the triple illegal starting preventing function, the one-way information conversion function, the outage preventing active protection function, the active or passive self-destruction function and the like, has good application prospects in the technical field of computers, and makes contributions to departments such as party and government organizations, army, national defense, scientific research institutions and enterprises.