52results about How to "Safe and secure settings" patented technology

The invention relates to a dual-power dual-fan integrated switch with a preferred main power. The dual-power dual-fan integrated switch mainly comprises a switch box, a front panel, an indicator light, a power layer button, a disconnecting switch, a power switch, a selective switch, a control box, a display screen, a setting button, a fan switch, a function selection button, a main switch, a junction box, a circuit board, and a wire; the dual-power dual-fan integrated switch is provided with two fans, two control box panels and two control circuits; the control circuits are controlled by a main circuit, a stand-by circuit and a microcomputer program, automatic conversion can be performed between the fans, the main power supply is automatically prioritized, and quick conversion and instantaneous automation are realized. The dual-power dual-fan integrated switch has an advanced design, is reasonable in setting, safe, stable and reliable and is a very ideal automatic control switching device for a coal mine underground fan.

The invention provides a numerical control machine tool. The numerical control machine tool comprises a workpiece clamping mechanism and a cutter clamping mechanism, wherein the cutter clamping mechanism comprises a positioning shaft, the positioning shaft is sleeved with a cutter disc, at least two cutter movement grooves are formed in the cutter disc, and cutters are arranged in the cutter movement grooves in a penetrating mode in the axial direction of the cutter disc; the positioning shaft is located at the center of the cutter disc, a cuter pushing mechanism used for pushing the cutters to the positioning shaft from the direction away from the positioning shaft is arranged in the cutter movement grooves, the cutter pushing mechanism is provided with a cutter locking/automatic unlocking mechanism, a cutter restoration mechanism used for pulling the cutters to be close to the outer edge of the cutter disc along the cutter movement grooves is arranged in the cutter movement grooves, and the cutter pushing mechanism is provided with a sliding guide rail mechanism and a pushing and sliding driving mechanism; a cutter capturing mechanism is arranged on the positioning shaft. The numerical control machine tool has the advantages that multiple groups of cutters are arranged in the cutter disc in a hidden mode, using is safe, actuating units used for cutter change are reasonably arranged, and cutter change is stable and smooth.

The invention provides a method for arranging a jacking pipe of a rectangular open caisson, which comprises the following steps: (a) obtaining soil parameters and open caisson parameters of a region of a working area applying the rectangular open caisson; (b) calculating soil pressure along each direction of the open caisson according to the soil parameters and the open caisson parameters; and (c) calculating an allowed jacking force for eccentrically jacking of the jacking pipe according to a distribution mode of the soil pressure and the soil pressure, and causing a jacking force required by the advancing of the jacking pipe to be less than the allowed jacking force for eccentrically jacking. According to the method provided by the invention, the soil parameters of the working area are confirmed according to the geological data and test data; the soil pressure acted on each direction of a working well is solved by utilizing the jacking force of the pipeline, a soil pressure formula and a given soil pressure distribution shape; the allowed jacking force for eccentrically jacking of the jacking pipe of the working well is finally calculated; and according to the allowed jacking force, the jacking pipe of the rectangular open caisson can be safely arranged.

The invention provides a password setting method and system for users outside a system and a password setting center. The password setting method comprises the following steps: a password resetting request sent by the user outside the system and carrying the information of the user outside the system is received; a first system user generates a request of a temporary password bound to the information of the user outside the system; a second system user reviews the request of the temporary password bound to the information of the user outside the system; the second system user suspends the operating authorization of the user outside the system; when the user outside the system logins the system for the first time, the system forces the user outside the system to change the temporary password; in case of successful approval, the first system user generates the temporary password bound to the information of the user outside the system; the temporary password is returned to the user outside the system, who sends the password resetting request; and if the temporary password is changed successfully, the second system user restores the operating authorization of the user outside the system.

The invention discloses a setting method of a basic input/output system. The setting method of the basic input/output system comprises the following steps: acquiring parameter change information for the basic input/output system; after the parameter change information is obtained, performing encryption processing on the parameter change information; when the basic input/output system is reloaded,decrypting the encrypted parameter change information; and updating the operation parameters of the basic input/output system according to the parameter change information after decryption processing.The invention further discloses a setting terminal of the basic input and output system and a computer storage medium. The parameter change information is directly acquired, and the parameters are operated according to the parameter change information in the digital signature process, so that manual key pressing during startup is avoided, the operation steps of a user are simplified, and the setting of the basic input/output system is safer through digital signature.

A safe water adding type wall-breaking food processor comprises a processor base, a motor, a cup body, a cup lid, a cutter assembly and a control device, wherein the cup body is arranged at a cup body position of the processor base, and the cup lid is buckled with the cup body. The safe water adding type wall-breaking food processor further comprises a water supply device, a water pump and a water adding device, wherein the water pump and the water adding device are arranged in the processor base, and the water adding device is arranged at the top of a supporting seat and is matched with a lid top hole formed in the cup lid. The water supply device is arranged at a water supply device position of the processor base and is communicated with the water pump, and the water pump is communicated with the water adding device. The water adding device further comprises a hollow seat body with a lower opening, a water guiding hose, a rotating arm, a hollow shaft, a water guiding part and a cover body, wherein the rotating arm is in pivoted connection with a pivoting connection groove through the hollow shaft, the water guiding part is arranged in the rotating arm, and the cover body is detachably connected with a cover hole. The food processor is further provided with a magnetic assembly, wherein a magnet and a magnetically controlled switch of the magnetic assembly are arranged in the rotating arm and the seat body respectively, and the magnetically controlled switch is connected with the control device. Due to the adoption of the structure, the wall-breaking food processor has the functions of a water tank and an automatic water adding function and is safe and convenient to use.

Fitting for fastening a door wing, especially a door wing of a shower partition made of glass, plastic or similar material, with a hinge of two hinge leaves joined together by means of a keybolt, wherein each hinge leaf features a fastening plate and a hinge eyelet. The hinge features a detent mechanism with locking profiles which hold the door wing in the default swing position. The locking profiles are provided on each of the two hinge leaves. The locking profiles are provided on the keybolt.

The invention discloses automatic adhesive tearing-off equipment and an automatic adhesive tearing-off method. The equipment comprises a stander, a left adhesive conveying wheel group, an adhesive belt wheel, a right adhesive conveying wheel group, a middle adhesive conveying wheel arranged below the adhesive belt wheel, a cylinder, a variable-frequency gear conveying motor and an adhesive removal template, wherein the left adhesive conveying wheel group, the adhesive belt wheel, the right adhesive conveying wheel group, the middle adhesive conveying wheel and the adhesive removal template are all arranged in the stander; the variable-frequency gear conveying motor is arranged on the stander and is connected with the left adhesive conveying wheel group, the adhesive belt wheel, the right adhesive conveying wheel group and the middle adhesive conveying wheel respectively through conveying gears in a driving manner; the adhesive removal template is arranged on the right side of the adhesive belt wheel. The automatic adhesive tearing-off equipment has the characteristics of convenience in operation, simple technology, high safety coefficient, low labor intensity, low production cost, high automation degree and the like.

The invention provides a method of generating a metal zinc in a stable waste through spinel. The method comprises the following steps: (1) measuring the content of ferric oxide in red mud; (2) crushing, mixing and drying the waste containing the metal zinc and red mud in a weight ratio to be further dispersed uniformly to obtain a mixture of waste and red mud; (3) pressing and forming the mixtureobtained in the step (2); and (4) calcining a pressed and formed sample in the step (3) at 900-1100 DEG C. As the industrial waste red mud can be doped into the waste containing the metal zinc continuously, and hazardous wastes can be converted into crystallized products which are stable in chemical property and high in acid resistance by a low-temperature thermal treatment process, so that the waste containing the metal zinc is easily managed, and the risk in an environment is reduced. By means of the red mud, damage of the waste to the environment can be reduced and the waste can be also recycled. The product prepared by the method is good in leaching resistance, small in energy consumption and low in cost in an acidic environment.

A cooling device for an air conditioner outdoor unit and an air conditioner outdoor unit using the same are provided. The cooling device includes a support base, a water storage tank, a cooling section, and a water permeable sheet. The support base has a sloped surface, the height of which decreases in one direction, and which is mounted to the top surface of the outdoor unit body in such a manner that the lowest end of the sloped surface faces the side on which the air suction opening of the outdoor unit body is located. The water tank has a water storage space and a water discharge hole and is disposed on the sloped surface with the water permeable sheet provided therebetween. The water discharge hole is open at the bottom of the water tank and connects to the water storage space. The cooling section has a base body section and a water retention section and is mounted on the side on which the air suction opening of the outdoor unit body is located. The water retention section consists of a porous material, is mounted to the base body section, and has air passage holes. The water permeable sheet consists of a porous material and is placed on the sloped surface in such a manner that the upper surface of the water permeable sheet faces the water discharge hole and that the water permeable sheet is in direct contact with the outer surface of the bottom of the water storage tank. One end side of the water permeable sheet is in contact with the water retention section at a position on the lowest end side of the sloped surface.

The invention provides a method for stabilizing metal copper in waste through generation of spinel. The method comprises the following steps: (1) determining the content of ferric oxide in red mud; (2) smashing the waste containing the metal copper and the red mud according to a weight ratio, mixing, drying a mixture, and further dispersing uniformly to obtain a mixture of the waste and the red mud; (3) molding the mixture obtained in step (2) by pressing; (4) calcining a press-molded sample obtained in step (3) at 900 to 1100 DEG C. According to the method, the industrial waste red mud can bemixed with the waste containing the metal copper continuously, and the dangerous waste can be converted into a crystal product with stable chemical property and high acid resistance by adopting a low-temperature thermal treatment process, so that the waste containing the metal copper is easy to manage, and the risk in environment is lowered; furthermore, through utilization of the red mud, harm of the waste to the environment can be reduced, and the waste can be recycled. A product prepared by the method provided by the invention has the advantages of good leaching resistance, low energy consumption and low cost in an acid environment.

The invention discloses an open biogas burning torch comprising a vertical pipeline, an ignition device, a windshield and a central control unit, wherein a sprayer is arranged on the top of the vertical pipeline, the sprayer and the ignition device are all arranged in the windshield, the top of the ignition device is arranged on the side of the top of the sprayer, when being used, the ignition device is convenient and safe to ignite, and can make full biogas burning, in addition, the central control unit controls ignition and quench of torch, thereby realizing automation control. According to the design provided by the invention, full biogas burning can be realized and methane emission is reduced, the production cost is lowered, the installation setting is flexible, and the open biogas burning torch is safe and practical.

The invention discloses an improved welding gun which comprises a gun head, a connecting rod and a gas supply pipe. The connecting rod is connected with the gas supply pipe. The gun head is connected with a valve body through a gas pipeline. The valve body is mounted on the connecting rod. A spring is sleeved outside the gas pipeline. Two ends of the spring are respectively in contact with the gun head and the valve body. An outer pipeline is sleeved outside the spring. A temperature sensor is mounted outside the gas pipeline. An alarm and a cooler are mounted on the surface of the valve body. A valve is disposed at the tail end of the gas supply pipe. An electronic scale for measuring current intensity is disposed at the tail end of the gas supply pipe. The improved welding gun has the advantages that the gun head is replaceable, the spring is sleeved outside the gas pipeline, two ends of the spring are respectively in contact with the gun head and the valve body, the welding gun is less prone to shaking during operation due to the spring, safety and reliability are achieved by the alarm and the electronic scale, and emergency can be dealt with.

The invention discloses a photovoltaic assembly vibration detection and a photovoltaic assembly control device, comprising a photovoltaic assembly arranged on a framework, a vibration sensor array, a signal collector, a signal analysis instrument, a storage device, a central processing device and a displayer. The vibration sensor array is used for detecting vibration of the framework to obtain an analog signal; the signal collector is used for collecting the analog signal to obtain an electric signal; the signal analysis instrument is used for analyzing the electric signal and calculating and determining an average vibration frequency; the storage device is used for pre-storing a vibration level determination table composing of preset vibration frequency and a corresponding vibration level; the central processor is used for mapping the average vibration frequency to the retrieved vibration level determination table, determining the corresponding vibration level according to the average vibration frequency and outputting a control signal; and the displayer is used for displaying the vibration level according to the control signal. The photovoltaic assembly vibration detection and the photovoltaic assembly control device can realize automation detection and analysis and can accurately detect the vibration condition.

The invention relates to an integrated fume dustfall stem superheater, and belongs to the mechanical equipment, comprising shell, deposition chamber, tube bundle, tube bundle channel, traverse baffle, safety valve and steam temperature regulating valve. A fume inlet and a fume outlet are arranged on the shell, the shell is provided with a heat exchange screen comprising tube bundle, and two ends of tube bundle passing through the shell are connected with the opposite tube bundle channel, respectively. The traverse baffle is positioned in the shell, steam inlet pipeline and steam outlet pipeline are arranged on the opposite tube bundle channel, respectively. The safety valve and the steam temperature regulating valve are mounted on the tube bundle channel of steam outlet pipeline. The structure of the device can be vertical type, horizontal type or slanting type. The device has advantages of fume dustfall and steam superheating effects, simple structure, convenient installation and disassembly, safe and reliable operation, wear resistance, long service time, small space, low investment cost, etc.

The invention provides a life electric appliance, and a descaling method for a water storage container in the life electric appliance. The life electric appliance includes: a water storage container,being provided with a magnetostrictive member; and an alternating magnetic field generating device for supplying an alternating magnetic field to the magnetostrictive member. The life electric appliance is provided with the magnetostrictive member on the water storage container, and the magnetostrictive member can vibrate under the action of the alternating magnetic field provided by the alternating magnetic field generating device, and the magnetostrictive member transmits the vibration to the outer wall of the water storage container. Thus, deposition amount of scale on the water storage container can be greatly reduced, thereby improving long-term service life of the life electric appliance, and the magnetostrictive member has better fatigue resistance, longer service life than those ofa piezoelectric ceramic piece. Compared with an iron piece vibration method, a magnetostrictive vibration method does not have a technical problem of mechanical fatigue of a vibrating piece, and vibration space is not especially reserved.

The anti-infection respiratory endoscopy auxiliary device comprises a mask, an air outlet pipe, a rear lower bandage, a rear upper bandage, a left air inlet pipe and a right air inlet pipe, an auxiliary sleeve is arranged in the middle of the front side face of the mask, an air outlet pipe opening is formed in the lower end of the auxiliary sleeve, and the upper end of the air outlet pipe is twisted outside the air outlet pipe opening; a rear upper bandage is tied between the two groups of upper hanging buckles, and a rear lower bandage is tied between the two groups of lower hanging buckles; a left air inlet pipe is installed outside the left air inlet, and a right air inlet pipe is installed outside the right air inlet. The detachable bandage is arranged, the mask can be conveniently and elastically bound to the back side of the head of a patient, binding is safe and stable, meanwhile, the air inlet pipes are installed on the left side and the right side of the mask, air inlet is rapid, the air inlet amount completely meets the requirement for the respiratory capacity of the patient, and meanwhile the arranged air outlet pipe is long enough and can conveniently extend downwards to be connected with peripheral disinfection and purification equipment; arm spreading during examination of doctors is prevented from being affected, and the medical examination bed is safer and more convenient to use.