62results about How to "Guaranteed disconnection" patented technology

This invention relates to a sort of intellective gas oven, it consists of the head oven, the control plate, the control keyboard, the portfire and the intellective control valve which is made up of the one that the gas valve and the valve drive the electric engine. The gas valve of the intellective control valve in this invention connects with the head oven and the gas pipe. The gas valve drives in this invention drives this gas valve in this invention which is connects with the electric engine. The control plate connects with the control keyboard and the valve by electricity in order to drive the electric engine. It is characterized in that: this gas valve is a sort of multichanne valve which has an admitting pipe and several escape pipes. The several escape pipes connect respectively with each fire loop of the head oven having several fire loops. The several escape pipes in this invention distribute to each other along the spool arbor of the gas valve, the spool of the gas valve has the spool bore which can alter aperture along the circle in turn related to each center of the escape pipe. It has this excellence in that: firepower accommodation with six sects in order to satisfy different require of the cooking method, safe when using, simple and convenient operation, high ignition frequency, no impulse noise when igniting.

The invention provides a battery-pack leakage-liquid detection system which includes a battery pack, a metal battery box which accommodates the battery pack, an input power supply, a load and a voltage detection device. The battery pack, the input power supply, the load and a casing of the battery box are connected serially. The voltage detection device is connected in parallel with the metal battery box or the load. Through adoption of the technical scheme, generation of leakage of the battery pack can be detected and a battery unit in which leakage is generated can be calculated accurately through simple calculation so that replacement of the battery unit is facilitated; and the battery-pack leakage-liquid detection system can be added into a system based on the design of an original battery pack under a condition that the structure of the original battery pack is not changed so that the battery-pack leakage-liquid detection system is convenient to promote and use, simple to operate and accurate in result.

The invention provides a dialing method and system based on a PPPOE network, and a router. The method comprises the steps: S1, enabling a terminal to receive a dialing instruction of a user; S2, judging whether there is a last conversation or not: switching to step S3 when there is the last conversation, or else, switching to step S4, wherein the conversation is between the terminal and an access server; S3, transmitting a grouping ending message to the access server, and enabling the access server to end the conversation with the terminal; S4, enabling the terminal to enter a conversation initializing phase; S5, enabling the terminal to enter a conversation phase. According to the invention, when the dialing instruction of the user is received, the method firstly judges whether the terminal is in the last conversation or not, i.e., judging whether the terminal is currently disconnected with the access server in a normal manner or not. If the terminal is not disconnected with the access server in a normal manner, the method firstly transmits the grouping ending message, so as to enable the connection between the terminal and the access server to be cut off, thereby facilitating the normal conversation connection between the terminal and the access server, and improving the connection speed and efficiency.

Quick-change device (12) comprising a quick coupler (16) fastened on the driven-machine side, an adapter (16) which can be locked with the quick coupler (16) and is connected to a tool (14), and a hydraulic coupling (20) for producing a hydraulic connection between the hydraulic system on the driven machine and the hydraulics of the tool (14), wherein the hydraulic coupling (20) includes a first coupling part (20a) and a second coupling part (20b) and the two coupling parts (20a, 20b) are held relative to one another in an operating position, wherein the first coupling part (20a) and the second coupling part (20b) interact with at least mechanical retaining means (68,78,80) which are formed separately from the locking means of the quick-change device (12). The invention is distinguished by the fact that the coupling parts (20a, 20b) are held frictionally in the operating position by the mechanical retaining means (67,78, 80).

The invention discloses a direct-current short-time supply interruption and supply voltage leap simulation test device, which comprises a manual switch connected with a system under test, wherein the manual switch is connected with a direct current supply voltage leap variable load in parallel, and is switched in a supply network through a first switching element; two ends of a second switching element are respectively switched in between the first switching element and the supply network as well as between the manual switch and the system under test in parallel; and the first switching element and the second switching device are respectively connected with a microprocessor. According to the test device, the microprocessor can control to ensure the switching elements to be switched off completely, and the accurate time for switching off and switching on the two switching elements can be accurately controlled, so that the time for direct-current short-time supply interruption is accurately controlled; when a supply voltage leap simulation test is carried out, resistance has no need to be switched in manually, so that the labor intensity is reduced, and the test safety is improved; and the prolonged time for voltage leap is shorter, so that a current situation can be better simulated.

The invention discloses a device and method for detecting arc current under simulated defects of a high-voltage circuit breaker. A circuit breaker action control system that controls the circuit breaker and the closing circuit breaker; the circuit breaker of the test product is provided with defective components for simulating the defect of the high voltage circuit breaker. The circuit breaker action control system triggers the action of each circuit breaker to realize a complete opening process; the arc current signal during the opening process of the high-voltage circuit breaker is collected through the oscilloscope and the detection impedance. The invention can effectively simulate various defects that are likely to occur in the high-voltage circuit breaker body and mechanism during the operation process of the actual high-voltage circuit breaker, and detect the arc current during the opening process of the circuit breaker under the simulated defects.

The invention discloses a switch cabinet drawer. The switch cabinet drawer comprises a drawer bin; a drawer is arranged in the drawer bin in a sliding manner; a drawer panel is provided with an operation knob used for controlling the on-off of a component in the drawer; a mounting seat is arranged in the drawer; an interlocking mechanism which rotates along with the operation knob to limit the sliding of the drawer is arranged on the mounting seat; and a display mechanism which displays the state positions of the drawer according to the movement of the drawer is arranged on the mounting seat.The switch cabinet drawer can satisfy use requirements when being in three state positions; the switch cabinet drawer is simple in structure and is convenient to process and product; and the overallstructure of the display mechanism is more stable.

The invention discloses a system for a tank sloshing test by using an air-cushion floating technology, which comprises a horizontal excitation table, air cushions, an air floating table, a transfer tool device, a tank, a first force sensor, a pneumatic clutch, an excitation device, an excitation control system module, a data acquisition system module, an air floating control system module, second force sensors, and an acceleration sensor, wherein the horizontal excitation table and the air cushions are arranged at the bottom part of the air floating table; the horizontal excitation table is connected with four air cushions; the air floating table is aerated and then suspended at the upper part of the horizontal excitation table; the tank is arranged at the upper part of the air floating table through the transfer tool device and the four second force sensors; and the excitation device is connected with the air floating table through the pneumatic clutch and the first force sensor. The system can be applied to the sloshing test on the tank in different types and different specifications, the operation is simple, the reliability is strong, the cost is low and the structure is compact.

The invention discloses a method for using a high-pressure rotary jet grouting pile nozzle for road and bridge construction. The high-pressure rotary jet grouting pile nozzle comprises a rod body anda conical head, wherein the rod body is internally of a cavity structure, a grout conveying pipe is arranged in the cavity, a moving assembly is also arranged in the cavity of the rod body, the circumferential outer wall of the rod body is further provided with a plurality of drill blades, when the moving assembly moves towards the conical head, the moving assembly can push the drill blades to move in the direction away from the rod body, baffles are arranged on the side walls, facing the conical head, of the drill blades, stretchable pipes are further arranged in the cavity of the rod body, one ends of the stretchable pipes communicate with the grout conveying pipe, the other ends of the stretchable pipes are provided with joints, the circumferential outer wall of the rod body is furtherprovided with nozzle assemblies with the number same as the number of the drill blades, one ends of the nozzle assemblies face the drill blades, and the other ends of the nozzle assemblies are locatedin the cavity of the rod body. According to the method, the diameter of a pile hole drilled by the drill bit can be adjusted, then different use requirements can be met, meanwhile, it is guaranteed that in the drilling-down process of the drill bit, mud and stones in soil can be prevented from blocking the grout conveying pipe, and the construction efficiency is improved.

The invention discloses an electric screwdriver with adjustable torsion. A torsion adjusting circuit is arranged in the electric screwdriver, and the electric screwdriver is characterized in that the torsion adjusting circuit comprises a torsion adjusting button and a micro-control unit electrically connected with the torsion adjusting button, the periphery of the micro-control unit is electrically connected with a storage chip and an LED array, and the storage chip stores current torsion gear value and protection current corresponding to each torsion gear value; when the torsion adjusting button is pressed, a torsion adjusting signal is triggered to be transmitted to the micro-control unit, the micro-control unit obtains the current torsion gear value from the storage chip, one-plus operation is carried out on the current torsion gear value, the torsion gear value obtained after the one-plug operation is transmitted to the storage chip, the stored current torsion gear value is replaced, and meanwhile, on the basis of the adjusted torsion gear value, the lightening number of the LED array is adjusted. Through cooperation of the torsion adjusting button and an MCU, torsion circular adjusting of the electric screwdriver in the use process can be achieved, the application occasion of the electric screwdriver can be improved, and practicability of the electric screwdriver can be improved.

The invention discloses a method for acquiring bidirectional self-lock Hall pulses. The method is implemented by an N-pole Hall element, glass, magnets and a connecting piece. The N-pole Hall elementis not a bipolar Hall element, the sensitivity of the N-pole Hall element is 3.0 MT, the average power consumption of the N-pole Hall element is at the micro-ampere level, and the N-pole Hall elementis conducted when the magnet with an upward N pole is positioned below the N-pole Hall element, and can be disconnected when the magnet with an upward S pole is positioned below the N-pole Hall element. The method has the advantages problems can be completely solved by the aid of a fundamental principle that the conduction and disconnection of the Hall element are judged according to the polarityof the magnets instead of the magnitude of magnetic fields of the magnets; the N-pole Hall element, the glass, the magnets and the connecting piece are easy to mount, the method is suitable for batchproduction, and reverse flowing water of water meters can be judged by the aid of the method.

The invention belongs to the technical field of network security, and particularly relates to a network security defense system based on dynamic transformation, which comprises an independent antivirus terminal, a network monitoring terminal, an external equipment monitoring terminal, a data backup unit and a dynamic transformation unit. The independent antivirus terminal is used for carrying outvirus searching and killing on at least one network terminal. The network monitoring terminal is used for detecting the security of data transmission of the network terminal. The external equipment monitoring terminal is used for detecting whether the external memory carries viruses or not. The data backup unit is used for backing up important information in the network terminal when the network terminal is attacked by viruses. The dynamic conversion unit is used for generating a virtual IP address according to the real IP address of the network terminal and connecting the network through thevirtual IP address. Compared with the prior art, the operation speed of the network terminal can be remarkably increased, meanwhile, network security protection with a high security coefficient is achieved, and the security of the network terminal is improved.

The invention discloses a self-locking power-off time delay protector in the field of electric components. The self-locking power-off time delay protector comprises a shell with an opening in one end, wherein an overcurrent and overheat protection assembly is arranged in the shell; the end part of the overcurrent and overheat protection assembly is connected with two paths of wires which extend out from the opening; the opening of the shell is sealed through a sealant; the overcurrent and overheat protection assembly comprises a static wafer, a movable wafer and a thermal bimetallic strip arranged in an insulating support seat; a groove is formed in the insulating support seat; a PTC ceramic heating block connected with the static wafer is arranged in the groove; a U-shaped groove is formed in the middle of the thermal bimetallic strip, and a pressing sheet is formed in the middle of the thermal bimetallic strip; two ends of the thermal bimetallic strip are turned over upwards to deform after the thermal bimetallic strip is heated, and a movable contact is separated from a fixed contact; and meanwhile, the pressing sheet moves downwards and is propped against the PTC ceramic heating block. The PTC ceramic heating block arranged in the shell is matched with the pressing sheet in the middle of the thermal bimetallic strip, so that the reliability of the power-off time delay protector when working is improved and the power-off time delay protector can be applied to motors and electric appliances.

The invention relates to a knob solar energy lighting device, comprising a knob and a lighting assembly, which is characterized in that the light assembly comprises a lighting lamp, a solar cell sheet, an accumulator, a switch, and a circuit board for connecting the above components, wherein the solar cell sheet is fixed on the outer surface of the knob, and lighting lamp and the switch are installed on the knob, and the accumulator and the circuit board are installed in the gap in the inner portion of the knob. The invention avoids the high-temperature aging phenomenon which is caused by placing with the other components which can generate high-temperature, as a result of installing all the lighting assembly on the knob, which prolongs the service life, guarantees the use safety. And the solar cell sheet which is adopted by the invention is environmental protection and energy-saving, which avoids the problem of the circuit allocation which is requested by alternative or direct current lightings, and the structure of the whole device is simple and compact.

The invention relates to an assembly (7) for checking at least one firewall device (6) and to a method for protecting at least one data receiver (3). In the method according to the invention, permissible and non-permissible data traffic is differentiated in a data traffic (16) in the direction of the data receiver (3) using specific rules; non-permissible data traffic is blocked; and permissible data traffic is allowed through. In order to check the function of the firewall device (6), the data traffic (18) which has been allowed through is interrupted if the data traffic (18) which has been allowed through has non-permissible data traffic.

The invention provides a three-phase isolating switch. The three-phase isolating switch comprises a shell, an air isolating reversing secondary switch, a vacuum isolating secondary switch and a rotating trigger device; the air isolating reversing secondary switch and the vacuum isolating secondary switch are arranged in the shell and are arranged in a series-connection mode; the three-phase isolating switch integrates respective advantages of the air isolating reversing secondary switch and the vacuum isolating secondary switch, can break high-power rated currents, and can carry out forced breaking when air leakage happens to a vacuum pipe or the vacuum pipe is damaged, and the production safety is ensured. The rotating trigger device is arranged, it is ensured that the air isolating reversing secondary switch is switched off or switched on under the no-load condition, and all load breaking operations are carried out at the position of the vacuum isolating secondary switch, and electric arcs cannot be generated on the air isolating reversing secondary switch; due to the fact that the vacuum pipe is arranged on the vacuum isolating secondary switch, the vacuum isolating secondary switch plays a role in arc extinguishing, and safety of the three-phase isolating switch is improved. Reversing functions are integrated on the air isolating switch, the structure is simplified, and the production cost is reduced.

The invention discloses wearable equipment based on TDP, belongs to the field of radiotherapy employing light, and aims at problems in the prior art that a thermal storage bag needs additional equipment for heating, the temperature of a contact part of the whole TDP equipment with a human body cannot be controlled and the TDP wearable equipment has fewer functions. The proposed scheme is that theequipment comprises a physiotherapy function unit and an elastic belt; the physiotherapy function unit is disposed on an inner side surface of the elastic belt, and comprises a heating layer, a protective part, a physiotherapy layer with a TDP element board, and a storage battery which is used for power supply. One side of the heating layer is attached to the physiotherapy layer, and the heating layer is disposed in the protective part. The heating layer comprises a heating resistance wire and a switching device. The switching device comprises a conductive piece and an airbag which is fixedlyconnected with the conductive piece. The air bag is fixedly connected with the protective part, and the interior of the air bag is provided with liquid with the boiling point close to the body temperature. A power supply circuit of the heating resistance wire is cut off, and has two contact points. The conductive piece can make complete contact with the two contact points.