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An optical spectroscopy apparatus determines the concentration of analyte in a specimen that utilizes a single radiation source which is hybrid laser comprising a semiconductor pump laser and small-cavity rare earth fiber laser where laser cavities of both lasers are butt coupled or otherwise optically coupled to form a plurality of laser cavities that produce a plurality of emission wavelengths, one which may be the pump laser emission wavelength at the output of the fiber laser thereby forming a multi-wavelength combined output where the wavelengths substantially match distinguishing spectral characteristic features along at least a portion of a characteristic optical spectrum of the analyte under examination. In lieu of complex data analysis of these wavelengths to determine values representing the concentration of the analyte in an examined specimen, the semiconductor pump laser or lasers are modulated as a plurality of tone frequencies, where at least a first of the modulation frequencies is below the maximum frequency response of the fiber laser so that the first modulation effectively modulates the pump emission wavelength and a first emission wavelength of the fiber laser in the hybrid laser combined output, and at least a second of modulation frequencies is above the maximum frequency response of the fiber laser so that the second modulation effectively modulates the pump emission wavelength but not the first emission wavelength of the fiber laser in the hybrid laser combined output. Further, one or more additional modulation frequencies may be applied to the pump laser which are intermediate of the first and second modulation frequencies where it is at least responsive to at least one further emission wavelength of the fiber laser and also provided in the hybrid laser combined output.

The invention refers to a transformer on-line intelligent monitoring system and its intelligent diagnosis method. It includes all kinds of sensors for the transformer's dynamic capability monitoring device, some electric signals collected by the sensors connected with A/D converting circuit through the amplifier and regulating circuit, some ones connected with industrial computer through A/D collecting card or interface circuit to be processed by the foreground computer, then transmitted into the background CPU transformer fault diagnosis system for diagnosis and analysis, to obtain the monitoring results. The method: inputting various signal data into the computer, making the computer combined with the stored information database to carry out on-line real-time diagnosis and alarm on the abnormal condition.

A circuit protection device including a conductor arm releasably connected between a voltage sensitive device and a circuit to be protected. The connector arm is biased to move in a direction generally parallel with a plane defined by a lateral dissection between the releasably connected conductor arm and the voltage sensitive device.

The invention discloses a refrigerator comprising a refrigerator body, a door body and an inlaid type hinge device. The inlaid type hinge device comprises a mounting piece, a fixing piece and a middleassembly, wherein the middle assembly is movably arranged relative to the mounting piece, the fixing piece is movably arranged relative to the middle assembly, the middle assembly and the fixing piece move on the same plane, and the moving trend directions of the middle assembly and the fixing piece are the same; the inlaid type hinge device has a closed state and an open state; the fixing piececomprises a fixing part and a first accommodating part forming a first accommodating groove; the mounting piece comprises a mounting part and a second accommodating part forming a second accommodatinggroove; in the closed state, the middle assembly is completely accommodated in the first accommodating groove and the second accommodating groove; and when the inlaid type hinge device moves from theclosed state to the open state, part of the middle assembly moves out of the first accommodating groove, and part of the middle assembly moves out of the second accommodating groove. The inlaid typehinge device of the refrigerator is compact and reliable in structure.

A steering wheel has a ring portion, spoke portions and a hub portion. The steering wheel is provided with a thermoelectric reversible heat pump to heat or cool a fluid. A closed hydraulic circuit includes a hydraulic pump and at least one duct extending along the ring portion of the steering wheel. The fluid is heated or cooled by the thermoelectric heat pump and is circulated by the hydraulic pump within the ring portion of the steering wheel to heat or cool the ring portion.

The invention discloses a self-calibration measurement device for bridge deformation or displacement parameters, comprising an imaging system (12) and at least one measurement target (13) installed at a measurement point of a bridge (11). The self-calibration measurement device is characterized in that the device further comprises a benchmark target (14) installed in a deformation or displacement change-negligible region of the bridge (11), the benchmark target (14) and the measurement target (13) are imaged in different positions of a sensitive element of the imaging system (12), and the displacement or deformation parameters of the measurement point are calculated according to the measurement results of the measurement target (13) and the benchmark target (14) after the influence of bridge bending deformation caused by load loading is deducted. As the influence of bridge bending deformation caused by load loading is deducted, the measurement accuracy of the system is improved.

The invention belongs to the technical field of diesel engine tail gas post processing and relates to a box type post processing assembly for a diesel vehicle. The box type post processing assembly for the diesel vehicle comprises a particle trap, an oxidation catalytic reduction converter and a selective catalytic reduction converter. The particle trap and the oxidation catalytic reduction converter are connected to form a cylinder body and are fixed to a first partition plate, a second partition plate and a third partition plate. The selective catalytic reduction converter and a pipeline are arranged below the particle trap. The selective catalytic reduction converter sequentially penetrates the first partition plate, the second partition plate and the third partition plate, and the pipeline is supported to installation holes in the third partition plate and the second partition plate. The air inlet end of the pipeline is connected with a mixer. The box type post processing assembly for the diesel vehicle can work stably and efficiently, urea is evenly distributed on an SCR end face during work, and the phenomenon of urea crystallization is avoided.

An energy storage and conversion apparatus (1) comprising a containment (5) defining a vacuum chamber (7), a substantially vertical shaft within the vacuum chamber (7), a stator (11) on the shaft (9), and a cylindrical rotor (13) which, in use, is driven by the stator (11) to store energy as kinetic energy of the rotor (13) and acts with the stator (11) as a generator to release energy, wherein the rotor (13) is supported by the shaft (9) via an end cap (29), positioned at the upper end of the cylindrical rotor (13), which engages the shaft (9). The rotor (13) is suspended from a pin bearing (31) which is attached to an end cap (29). The pin bearing (31) sits in a bearing cup (37) mounted in a damper (39) at the end of the shaft (9). A magnet bearing (43) is provided at the lower end of the rotor (13) to assist in positioning the rotor (13) relative to the stator (11).

The invention discloses a measuring device and method for vertical displacement and ground surface settlement of a large structure body. The measuring device comprises a plurality of measuring units and a data processing center arranged at a far end; each measuring unit comprises an imaging system, a hydro-static leveling instrument, a datum target, one or more measuring targets and one or more laser distance measuring instruments; and after obtaining measured results of the hydro-static leveling instrument, the laser distance measuring instruments and the imaging system, the data processing center calculates to obtain side wall parameters, top displacement parameters and ground surface settlement parameters of the large structure body according to measured results of a settling probe, the datum targets, the measuring targets and the laser distance measuring instruments. The measuring device overcomes the problem that measuring errors of the system are finally caused by deformation due to the fact that the imaging system bears a load or a mounting foundation of the imaging system is deformed and the like, so that measuring accuracy is improved; and meanwhile, non-disturbance measurement of the ground surface settlement parameters is realized, so that passing of vehicles inside is not affected for large structures such as a tunnel, and therefore, the measuring device has relatively high popularization and application value.

An infrared imager for detecting infrared (IR) radiation of a scene in a field of view (FOV) of an optical system and converting the IR into a visible image wherein the imager consists of an array of uncooled microbolometers in a focal plane of the optical system and a array of light emitting diode (LED) or liquid crystal display (LCD) elements. The IR radiation collected by the microbolometer produces a change in an electrical output applied to electronic circuitry connected to the array of LED s or LCDs. The electronic circuitry controls the intensity of a LED element or the reflectance of an LCD element. As a result, the imager converts the infrared radiation from the scene into visible light. The light reflected from the LCD or produced by LEDs in an array constitutes the scene image

The invention discloses a self-calibration type measuring device and method for vertical displacement or deformation parameters of a large structure. The self-calibration type measuring device comprises a data processing center, an imaging system, a reference target, a static force level gage and one or more measuring targets. The static force level gage comprises a plurality of sedimentation probes and a liquid passing pipe, the sedimentation probes and the measuring targets are fixed to the side wall or the top of the large structure, the reference target is arranged on one certain sedimentation probe, and the reference target and the measuring targets carry out imaging at different positions of a sensitive element of the imaging system. After the data processing center obtains measuring results of the static force level gage and the imaging system, the displacement or deformation parameters of a measuring point are obtained according to the measuring results of the sedimentation probes, the reference target and the measuring targets. According to the self-calibration type measuring device and method for vertical displacement or deformation of the large structure, the situation that measuring errors of the system are caused due to displacement caused by loads borne by the imaging system or deformation of a self-installation base or the like of the measuring system is avoided, and the measuring precision is improved.

The invention discloses a top cover of a power battery. The top cover of the power battery comprises a top cover sheet, a first terminal post, a second terminal post, a first mounting hole, a second mounting hole, an explosion-proof valve and a liquid filling hole, wherein the first terminal post, the second terminal post, the first mounting hole, the second mounting hole, the explosion-proof valve and the liquid filling hole are arranged on the top cover sheet; the first terminal post is mounted in the first mounting hole; the second terminal post is mounted in the second mounting hole; the first terminal post comprises a first matrix part and a second matrix part; a first column part is arranged between the first matrix part and the second matrix part; a first groove is formed among thefirst matrix part, the first column part and the second matrix part; a first seal ring sleeves the first column part; conductive plastic parts are arranged among the first matrix part, the first column part, the first seal ring and the top cover sheet; and a first insulating part is arranged among the second matrix part, the first seal ring and the top cover sheet. An H-shaped terminal post structure of the top cover of the power battery can achieve a good axial positioning effect on top cover parts, so the top cover of the power battery is compact and reliable in structure, dispenses with a riveting working procedure required by a T-shaped terminal post with a conductive block, reduces production cost and improves assembly efficiency.

A remotely operable latching system is provided for securing an implement to a carrier mounted to a forward end of a lifting arm for pivoting about a horizontal tilt axis. The latching system is mounted to the carrier and includes a latching rod arrangement operated by an extensible and retractable linear electric motor between a retracted latching position and an extended unlatching position. A secondary latch arrangement is provided for rotating the latching rod arrangement to an arrested position preventing movement of the rod arrangement to its latching position once the latching rod is extended to its unlatching position. Movement of the rod arrangement to its arrested position is aided by a spring and by the electric motor. Release of the rod arrangement from the arrested position is done by rolling the carrier back towards the lifting arms bringing the latching rod arrangement into contact with the arm so as to pivot the rod arrangement out of its arrested position. A microprocessor based control unit is coupled to the electric motor and acts in response to a boom height input signals to prevent operation of the motor when the boom is above a preset height. Further, an LED indicator light operates in certain modes which apprise the operator of various operating conditions. For example, the LED light blinks slowly when the latching rod arrangement is being extended to its unlatch position, blinks rapidly if the latching rod jams causing an overload condition and gives a steady light when the latching rod arrangement is fully extended. Various timing requirements are also programmed into the control unit.

The invention relates to a switch operating mechanism, which comprises a cam, a spring mechanism and a driving rod, wherein the cam is provided with a cam shaft, two driving regions and two contact regions, the two driving regions and the two contact regions are respectively arranged at two sides of the cam, the end surface of the cam shaft is used for being matched with a shaft of an adjacent module, the spring mechanism comprises a press block and a spring and is pressed and leant against the contact regions of the cam, one end of the driving rod is provided with a projected block, and the projected block can push one driving region of the cam, so the cam is promoted to rotate around the cam shaft. The switch operating mechanism has the advantages that the structure is compact, stable and reliable, the occupied space is small, and the switch operating mechanism is particularly suitable for switches with high rated power.

A massage assembly includes a top cover and a base which is connected to the top cover to define a space therebetween, a massage unit and a movable unit is received in the space. The massage unit is connected to the movable unit, and a transmission mechanism is received in the movable unit to drive the movable unit to move reciprocally in the massage assembly so as to massage the user's body by the massage unit. The massage unit provides different types of massage features.

The invention discloses a method for up-conversion energy feeding of a tuned mass of a magnetorheological damper and the damper. The damper mainly comprises a piston rod, a piston and a cylinder block; a main vibrating structure and the piston are connected through the piston rod; an induction coil is arranged on the piston; and the cylinder block is filled with magnetorheological elastomers. A controllable electromagnetic field is produced through control on the current of the induction coil, so that the rigidity and the damping of the damper are adjusted. The cylinder block used as the tunedmass produce the inertia force reacting on the main vibrating structure, so that the purpose of reducing and even eliminating vibration of the main vibrating structure is achieved. An impact head isarranged at the tail end of the piston rod, an annular elastic membrane is fixed to the cylinder block, a piezoelectric material sheet is arranged on the elastic membrane, when the piston rod moves relative to the cylinder block, the impact head collides with the elastic membrane to produce high-frequency self-excited vibration, the piezoelectric material is subjected to high-frequency pulling andcompression, and efficient conversion of vibration energy is realized. The method and the damper have the advantages as follows: 1, targeted delivery of energy is realized; 2, the structure is compact and reliable; 3, the energy feeding efficiency is relatively high.

The invention discloses a chemical material grinding device which comprises an outer fixing cylinder (8), an inner rotatable cylinder (7) and a grinding execution shaft assembly (9), wherein the outer fixing cylinder (8) is provided with two end walls (81) which are respectively positioned at the left and right ends, and a connecting wall (810) positioned between the two end walls (81); multiple supporting rollers (84) distributed along the peripheral direction are arranged in each of the two end walls (81); a loading opening (82) with an upward opening and a powder outlet (83) with a downward opening are formed in the connecting wall (810); the loading opening (82) and the powder outlet (83) extend along the longitudinal direction of the cylinder; and the connecting wall (810) respectively comprises a left connecting wall (86) and a right connecting wall (85) between the loading opening (82) and the powder outlet (83) in the peripheral direction.

The invention discloses a material crushing device with balls and rollers. The device comprises an external fixed cylinder (8), an internal rotatable cylinder (7) and a crushing executing shaft component (9), wherein the external fixed cylinder (8) is provided with two end walls (81) which are respectively located at the left and right ends and a connecting wall (810) which is located between the two end walls (81), each of the two end walls (81) is provided with multiple supporting rollers (84) which are distributed along a peripheral direction, a charging port (82) with an opening facing upwards and a powder discharge port (83) with an opening facing downwards are formed in the connecting wall (810), the charging port (82) and the powder discharge port (83) both extend along the longitudinal direction of the cylinders, and a left connecting wall (86) and a right connecting wall (85) are respectively arranged between the charge port (82) and a powder discharge port (83) in the peripheral direction on the connecting wall (810).

The invention discloses an automobile collision protection device. The automobile collision protection device comprises a base, a support plate, a telescoping mechanism and an energy absorption panel, wherein the base is fixedly arranged on a vehicle body; the support plate is connected with the base by the telescoping mechanism; the telescoping mechanism comprises two sliding plates, two first connecting rods and driving mechanisms; the two sliding plates are respectively arranged on the left side and the right side of a back plate surface of the support plate in a left-right sliding manner; the back ends of the two first connecting rods are respectively hinged to the left side and the right side of the base, and the front ends of the two first connecting rods are respectively hinged to the two sliding plates; the driving mechanisms are used for driving the two first connecting rods to swing so as to control the support plate to move back and forth; the energy absorption panel is connected with the front plate surface of the support plate by a plurality of energy absorption springs. According to the automobile collision protection device, the support plate and the energy absorption panel can actively extend forwards by virtue of the telescopic mechanism to expand a collision buffering area of an automobile, and collision energy can be absorbed by shrinkage of the whole device, so that the collision safety of the automobile is improved.

The invention discloses a bolt. The bolt comprises a fixing base and a movable pin. The fixing base comprises a first guide part, a second guide part and a location column. The location column is arranged between the first guide part and the second guide part. A location pin is arranged on the movable pin and disposed between the first guide part and the second guide part. A compression spring is sleeved on the movable pin and abuts against the middle of the location pin and the second guide part. The location column is used for limiting the position of the movable pin, and a location groove matched with the location pin is formed in the location column. The location pin abuts against the first guide part due to the elastic force of the compression spring to keep the movable pin at a stretching state, and the failure of the function caused by automatic retraction of the movable pin is prevented; the location pin is snapped and locked in the location groove by the matching of the location column and the location pin and the elastic force of the compression spring, so that the structure is compact and reliable, the movable pin can be kept in a retraction state, and the failure of the function caused by automatic stretching of the movable pin due to sliding is prevented; the bolt is simple in structure and easy to operate.

The invention discloses a support roller-containing powder preparation device for ceramics. The device comprises an external fixed barrel body (8), an internal rotatable barrel body (7) and a grinding execution shaft assembly (9), wherein the external fixed barrel body (8) is provided with two end walls (81) respectively located at the left end and the right end and a connecting wall (810) connected between the two end walls (81), each of the end walls (81) is provided with a plurality of inner support rollers (84) distributed along a peripheral direction, a loading port (82) with an upward opening and a power outlet (83) with a downward opening are formed in the connecting wall (810), the loading port (82) and the powder outlet (83) extend along the longitudinal direction of the barrel body, the connecting wall (810) is divided into a left connecting wall (86) and a right connecting wall (85) between the loading port (82) and the powder outlet (83) in the peripheral direction.

The invention discloses a high-speed forming machine for gift boxes. The high-speed forming machine comprises a framework, a storage group system, a stopping system, a case suction system, a case guiding conveying system and a case pressing system. The stopping system is arranged beside an output port of the storage group system and can stop an inner side board of a box paper board which is conveyed to the output port, and the case suction system acts on an outer side board of the box paper board at the output port, so that the box paper board can be spread to form a box body. The case suction system continuously pulls the outer side board, the inner side board is separated from the stopping system, the box body is pulled to the case guiding conveying system by the case suction system, and the case pressing system presses and flattens the inner bottom surface of the box body. The high-speed forming machine has the advantages that the high-speed forming machine is compact and reliable in integral structure and small in occupied area and can act continuously, the box paper board can be quickly conveyed, spread and formed, accordingly, the forming speeds of the folding paper gift boxes with self-locking bottoms can be effectively increased, requirements of broad markets can be met, and labor can be relieved for staffs.