52results about How to "Simplify processability" patented technology

The invention discloses a water cooling balance which comprises a rod-type balance and a water-cooled jacket. Two water flow pipelines are arranged in the rod-type balance. The two ends of each water flow pipeline are arranged on the two end faces of the rod-type balance respectively. A switching joint is arranged between the water-cooled jacket and the rod-type balance and fixed to one end face of the rod-type balance through a screw. A water inlet switching pipeline and a water outlet switching pipeline are arranged on the switching joint. One end of the water inlet switching pipeline and one end of the water outlet switching pipeline correspond to openings of the two water flow pipelines on the end faces of the rod-type balance in position and the other end of the water inlet switching pipeline and the other end of the water outlet switching pipeline correspond to a water inlet and a water outlet of the water-cooled jacket in position. The defects that a corrugated pipe type water cooling balance is large in drag measurement error and inconvenient to install and use and a corrugated pipe is prone to being damaged and leaking water are overcome. In addition, due to the fact that corrugated pipe related devices are omitted, the length of the balance is reduced, the diameter of the balance is increased, the rigidity and the cooling effect of the balance are greatly improved, the temperature effect is reduced, and measurement uncertainty is obviously reduced.

The invention relates to a method for bending a glass plate and a device for bending a glass plate by using the method. The method comprises the following steps of: heating and softening the glass plate, transporting the glass plate into a forming region, lifting a supporting die, pre-bending the glass plate, lifting the glass plate by an upper pressing concave die, finally bending the glass plate, and transporting the glass plate into a cooling region or a tempering region for treatment. The device comprises a heating furnace, a transverse transportation roller bed, an upper pressing convex die, a lower pressing concave die and the supporting die. By using the method and the device provided by the invention, the heated and softened glass plate is quickly disengaged from the transverse transportation roller bed through the supporting die, the contact time between the glass plate and the transverse transportation roller bed is reduced, and the possibility of producing a roller trace on the glass plate is eliminated. Through the method and the device, the machining process and equipment are simplified, the production cost is saved, and the production efficiency of the product is also improved.

The invention relates to an aluminum alloy lifting scaffold which comprises a lifting attaching device (1), protective screens (3), uprights (4) and scaffold floors (2), wherein the scaffold floors (2) are fixed on the uprights (4), the lifting attaching device (1) is fixed on the scaffold floors (2) or uprights (4), the protective screens (3) are fixedly connected with the uprights (4), and the scaffold floors (2) or uprights (4) are made of aluminum alloys. The aluminum alloy lifting scaffold provided by the invention has the advantages of light weight, greatly reduced lifting load, high safety, no corrosion, easiness in maintenance, and high recycling rate.

The invention discloses a detachable disassembly and assembly cap screwing mechanism of a cap screwing machine. According to the detachable disassembly and assembly cap screwing mechanism of the cap screwing machine, a cap clamping device and a supporting rotary shaft can be assembled and disassembled quickly and conveniently through an axial plug pin. A clamping claw block is detachably installedon the inner side of the lower end of a clamping claw arm. Wear-resistant rubber is arranged on the inner side of the clamping claw block. In the process of clamping a cap and screwing the cap, if the clamping claw arm bumps the bottle cap accidently, the clamping claw arm will be pushed to move upwards, and a power head is controlled to lose power and stop rotating through an infrared travel switch; when the bottle cap dimensions need to be changed, a clamping claw base sleeve can be quickly and conveniently detached just by pulling out the axial plug pin, and in other words, the cap clamping device can be easily and conveniently detached and replaced; and because the clamping claw block and the wear-resistant rubber are of a plug-in structure according to designing, replacement and processing can be conveniently carried out, and assembly, disassembly and processing can be carried out on the cap clamping device much more easier. No tools are needed for replacing the cap clamping device, quickness and convenience are achieved; and when the rubber in the clamping claw block needs to be replaced, it is only needed that a rubber strip is directly inserted into a T-shaped groove of the clamping claw block, no tools or glue is needed, the designing is exquisite, simpleness and practicability are achieved, the operation of workers is facilitated to a great extent, and the efficiencyis improved.

It is about the reciprocating guiding mechanism of a needle machine. It comprises an oil cavity attached guide bushing base, upper and bottom guide bushings, propeller rod, upper and bottom sealing head, with No.1 and No.2 through holes connected with the oil cavity on both sides of the guide bushing base, the No.1 through hole connected with the lubricant source and the No.2 through hole with the tube channel. The upper and bottom guide bushings are located inside the upper and bottom end of the cavity of the guide bushing base with propeller rods inside them, the upper and bottom sealing head fastens to the upper and bottom end of the guide bushing base, featuring in the oil reservoir for lubricant sources, through fitting with the No.1 through hole. The said tube channel is used to as the exhaust for the air inside the oil cavity. It is simple in structure, simplifying the processing and installation of the upper and bottom sheath, reducing the possibility of leakage of lubricant, with natural lubricating effect.

The invention discloses a flexible bearing for a symmetrical spiral crossed reed. The bearing comprises single ring-shaped reed bodies, spacers and cylindrical pins, wherein the spacers are arranged between the two single ring-shaped reed bodies; and the cylindrical pins penetrate through pin holes in the single ring-shaped reed bodies and the spacers. The cylindrical pins and the pin holes are matched with one another, so that the overlapped single ring-shaped reed bodies are connected with the spacers to form a whole body so as to form the flexible bearing for the symmetrical spiral crossed reed. The bearing is divided into a moving rigid body and a fixed rigid body through a first notch and a second notch. The bearing disclosed by the invention adopts a linear cutting machining technology, wherein a pre-forming body is firstly manufactured and then is locked by the cylindrical pins, and the notches, installing holes and output holes are machined. The single ring-shaped reed bodies with different numbers are overlapped with one another to form a flexible bearing with a four reed units, six reed units, eight reed units or the like.

The invention discloses a method for simultaneous determination of yield strength and fracture toughness of low-alloy high-strength steel, wherein the method includes the steps of processing and preparing specimens by using the low-alloy high-strength steel, cutting to obtain cracks, loading the specimens according to a metal material tensile test method, calculating the yield load and the equivalent crack length of the specimens and the like, and finally, carrying out regression analysis to obtain the yield strength [sigma]Y and the fracture toughness KC of the low-alloy high-strength steel. The method is simple in form, has the test easy to operate, has sufficient accuracy and has the result rationality easy to judge. The method can simultaneously determine the yield strength and the fracture toughness of the high-strength steel only with the yield load tested by the tensile test of small-size one-way plates with different crack lengths, and does not need to meet strict stipulation of the current domestic and international norms on the test specimen size, type, loading conditions and the like.

The invention discloses an SLM (selective laser melting) method for processing horizontal suspended structure without longitudinal supports. The method is characterized in that an initial layer, a repair layer and a conventional layer are sequentially formed; the initial layer is printed and formed by adopting a light spot in a defocused state in a scanning mode lower than the conventional rate, so that Plateau-Rayleigh instability occurs to each melt channel in the initial layer, and the initial layer with a specific texture structure is formed; the repair layer is printed and formed on the upper surface of the initial layer in a scanning mode higher than the conventional speed and in a continuous laser output mode by adopting a light spot in a focused state, and transition from transitional process parameters to conventional process parameters is completed within the set processing layer number; the conventional layer is printed on the upper surface of the repair layer by adopting conventional process parameters, and the horizontal suspended structure without longitudinal supports is formed. According to the method, the stable horizontal suspended structure is directly formed without the longitudinal supports, and the practical application of the SLM technology is effectively expanded.

The invention provides a combined air cylinder cover. The combined air cylinder cover comprises an upper top plate, a plurality of side plates, a lower bottom plate, an air inlet channel movable block, an exhaust channel movable block, an oil atomizer lining and a plurality of guide pipes. A rectangular air cylinder cover structure is formed by the upper top plate, the side plates and the lower bottom plate. Each of the air inlet channel movable block and the exhaust channel movable block comprises a middle air channel and installing flanges at the two ends. One end of the air inlet channel movable block and one end of the exhaust channel movable block are connected with the two oppositely-arranged side plates through the installing flanges correspondingly, and the other end of the air inlet channel movable block and the other end of the exhaust channel movable block are both connected with the lower bottom plate. An integrally-cast cylinder cover is decomposed into the combined machining cylinder cover, the air inlet channel movable block and the exhaust channel movable block are arranged in a matched manner, air inlet channels and an exhaust channels, all of which are different in design parameter, can be conveniently replaced, and the link that the cylinder cover needs to be cast and machined again due to change of the design parameters of the air inlet channel and the exhaust channel is omitted.

The invention discloses a conducting loop structure of a low-voltage circuit breaker. A static contact is connected with a static contact clamping device which comprises three connecting parts: the left part is of a square structure which has a hole and is connected with a busbar; the right part is of a dual-plate clamping structure which is supported to the middle part, and the static contact is arranged between the dual-plate clamping structure in a revolving mode; the middle part of the static contact clamping device is lower than the left part and the right part; a dynamic contact is connected with a dynamic contact clamping device which comprises a left part and a right part, wherein the left part is of a round head dual-plate clamping structure, and the dynamic contact is arranged between the round head dual-plate clamping structure in a revolving mode; and a square structure of the right part is connected with a heating element which forms an integral structure with an outlet terminal of a tripping system. The whole conducting loop does not have soft connection and welding spots, the cost for switching on or off is lowered effectively, the temperature rise is lowered, the dynamic and thermal stability is enhanced, and the electric life and the mechanical life are prolonged.

The invention discloses a polymer membrane, and a preparation method thereof. The polymer membrane is composed of a polypropylene composition; and the polypropylene composition contains, (a) 40 to 70wt% of a crystalline polypropylene A, wherein the crystalline polypropylene A is at least one selected from a propylene homopolymer and a propylene random copolymer, and (b) 30 to 60wt% of an ethylene-propylene elastic copolymer B. The molecular weight distribution indexes of the polypropylene composition and the crystalline polypropylene A are both larger than 4; melt mass-flow rate of the polypropylene composition at 230 DEG C under loading of 2.16kg ranges from 5 to 10g/10min, and the ratio of the melt mass-flow rate ratio of the polypropylene composition to the melt mass-flow rate ratio of the crystalline polypropylene A ranges from 0.7 to 1.3; the polymer membrane contains a nucleating agent; and in 100 weight parts of the polypropylene composition, the content of the nucleating agent ranges from 200 to 2000ppm. The polymer membrane possesses relatively high transparency, excellent shock resistance, and excellent performance uniformity in the axial direction and the radial direction.

The invention relates to a thermal conversion liquid crystal based thin film, a preparation method thereof and an intelligent window, the thin film comprises a first structural layer, an active layerand a second structural layer, and the active layer is arranged between the first structural layer and the second structural layer; the active layer comprises a nematic liquid crystal medium and a dichroic dye; the nematic-isotropic transition temperature of the nematic liquid crystal medium is between 30 DEG C and 40 DEG C. The film is convenient to use, low in cost and suitable for energy conservation of buildings.

Container assembly comprising a container and a chime fixed to each other, the container having a end part and a peripheral side wall, characterized in that the fixation between the chime and the container is situated at the end part of the container and at a distance from said peripheral side wall.

The invention discloses a copper-aluminum composite plate strip with an added nickel grid layer and a continuous production method thereof. The copper-aluminum composite plate strip is characterized by comprising three layers of metal; the two outer layers are a copper substrate and an aluminum covering material correspondingly; and the middle layer is the nickel grid layer arranged on the surfaceof the copper substrate in an electroplated mode. The production method comprises the steps that the nickel grid layer of the corresponding thickness is electroplated on the surface of the copper substrate firstly; then the copper substrate with the nickel grid layer and the aluminum covering material are put into a composite rolling mill simultaneously, and compounding is completed through a single pass of large deformation; and then the composite plate strip is put into an online annealing furnace, heat treatment is conducted, and the copper-aluminum composite plate strip with high composite strength and good surface quality is obtained. The copper-aluminum composite plate strip has the outstanding advantages such as low cost, good mechanical properties and high bonding strength and iswidely applied to power electronics, automobiles, communication and other technical fields.

The invention discloses a single-input port SIW feeding structure and an antenna array. The feeding structure comprises a TE10 mode SIW and a TE20 mode SIW, wherein the TE10 mode SIW comprises N levels of power dividing arms facing a first direction; the TE20 mode SIW comprises 2<N> TE20 mode SIW cavities; 2<N> first coupling gap couplings are formed between the TE10 mode SIW and the TE20 mode SIW; corresponding 2<N> groups of second coupling gaps are formed at the top parts of the 2<N> TE20 mode SIW cavities, and each group is formed by M pairs of second coupling gaps; the rear ends of 2<N> final-level power dividing arms are bent to a second direction, the 2<N> first coupling gaps are corresponding to 2<N> final-level power dividing arms and are also corresponding to the 2<N> TE20 mode SIW cavities; a horizontal distance of a half waveguide wavelength exists between the first coupling gap and the end part of the rear bending part of the corresponding final-level power dividing arm toprovide 2<N> paths of reverse phase signals; each path of reverse phase signals is fed to the corresponding TE20 mode SIW cavity and is then outputted through the corresponding M pairs of second coupling gaps, and a radiation unit array is excited to from an antenna array.

The invention discloses a recycling molding device of building waste. The recycling molding device comprises a crushing bin and a crushing bin feed inlet formed in the top of the crushing bin, wherein a first conveying belt is arranged at the top of the crushing bin feed inlet; a fixed crushing plate is vertically arranged inside the crushing bin; a squeezing plate is arranged on one side of the fixed crushing plate; one end of the squeezing plate fits the fixed crushing plate; a driving wheel is fixed at the other end of the squeezing plate; a motor is connected at the driving end of the driving wheel; the motor is fixed on the side surface of the crushing bin; a discharge bin is fixed at the bottom of the crushing bin; the bottom of the discharge bin is fixed in a smashing bin; smashing shafts are arranged inside the smashing bin; water injection holes are formed in the top of the smashing bin; a second conveying belt is fixed at the bottom of the smashing bin; a molding box is connected at the other end of the second conveying belt; and a mold is arranged inside the molding box. According to the entire device, the recycling and processing steps for building waste are effectively simplified, the utilization rate of resources is effectively increased, and the construction cost is reduced.

The invention relates to a preparation technology for a spiral steel mesh rubber belt and belongs to the technical field of the preparation for the spiral steel mesh rubber belt. The preparation technology comprises the following steps: (1) rolling covering rubber; (2) rolling a spiral steel mesh; (3) molding; (4) vulcanizing; and (5) splicing. According to the preparation technology for the spiral steel mesh rubber belt provided by the invention, the production mode of preparing the rubber belt by using the spiral steel mesh instead of polyester or cotton canvas core is adopted, so that the whole strength of the rubber belt is greatly increased and the production process and the connecting mode are simplified; the cost is reduced by about 30% by preparing the product at same strength level in the production mode; the elongation of the product is small; the rubber belt is free from layering during use process; and the cost performance of the rubber belt is increased.

The invention discloses a multi-channel laser galvanometer motion control system with multiple connection modes. The multi-channel laser galvanometer motion control system comprises an upper computercontrol module, a synchronous control module and a servo driving module. The synchronous control module can be divided into an MCU control module and an FPGA control module, and the servo driving module can be divided into an XY galvanometer module, a Z-axis dynamic focusing module and an XY motion platform, wherein the XY galvanometer module and the XY motion platform respectively comprise an XYdouble-axis channel, and the Z-axis dynamic focusing module comprises a single Z-axis channel. The FPGA control module realizes the closed-loop control of the galvanometer system through a self-defined control algorithm, and realizes the data interaction and synchronous control between different servo driving modules through XY2-100 or other self-defined protocols. Each synchronous control moduleforms a synchronous control board card, and various galvanometer scanning modes can be achieved by using the single board card or connecting two board cards and switching the control channels. The multi-channel laser galvanometer motion control system can be suitable for different working conditions.

The invention discloses a methanol reforming hydrogen production reactor with flow velocity distribution uniformity. The reactor comprises an upper cover plate and a lower cover plate, and further comprises the following three cavities: an evaporation cavity, wherein a through tank is arranged in the middle of a first graphite plate, an evaporation plate is arranged below the first graphite plate,and the evaporation cavity is formed in the through tank of the first graphite plate on the evaporation plate; a combustion cavity, wherein a through tank is arranged in the middle of a second graphite plate, a combustion reaction plate is arranged below the second graphite plate, and the combustion cavity is formed in the through tank of the second graphite plate on the combustion reaction plate; and a reforming reaction cavity, wherein a through tank is arranged in the middle of a third graphite plate, and two foam metal plates and a corrugated plate are arranged in the through tank. Each plate is provided with through holes, so that a methanol combustion reactant and a methanol steam reforming reactant respectively circulate through two respective paths. The reactor has the advantagesof good heat-conducting property, low density, light weight, good sealing property, uniform reactant flow velocity distribution, increase the reactant conversion rate, enhancement of the flow directionality, avoiding of turbulence and enhancement of the heat transfer and mass transfer effects.

The invention provides a ray emission area image measuring device and method. The ray emission area image measuring device comprises a ray emitting module, an imaging module, and an image recording module, which are sequentially arranged; the imaging module is provided with an arc cone; the ray emitting module is used for generating rays and sending the rays to the image recording module through the arc cone according to a preset track, so that the image recording module generates a measurement image according to the rays. According to the invention, the arc cone is used as an imaging module;the design, processing and detection of the imaging module are simplified; the aiming precision is reduced; the limitation of the view field range of the existing ray emission area image detection technology is broken through; the requirement on the ray yield is reduced; the tolerance to random movement of the emission area ray source position is improved; meanwhile, the high spatial resolution capability is ensured; and the measurement precision is improved.

The invention provides an efficient rolling tensioning wheel plate device. The efficient rolling tensioning wheel plate device comprises a tensioning wheel substrate, a sliding bearing bush, a needle bearing, a supporting shaft, a standard nut, a standard spring washer and a standard flat gasket, wherein a chute of which the cross section is a U-shaped structure is formed in the tensioning wheel substrate; two side surfaces of the chute are a first baffle and a second baffle and the structure of the first baffle is identical to that of the second baffle; and a plurality of first bearing mounting holes and second bearing mounting holes which are in one-to-one correspondence are respectively formed in the first baffle and the second baffle. The efficient rolling tensioning wheel plate device has the beneficial effect that by the efficient rolling tensioning wheel plate device, multi-point tensioning of a transmission belt of an engine can be realized, problems that consumption of transmission power is high and the belt is easy to shake in a transmission process of the engine are solved, mechanical efficiency of the engine is improved, the device is easy to machine and mount, and faults are treated conveniently.

The invention relates to the technical field of the elevator industry, in particular to an integrated illuminating and ventilating structure of a car of an elevator. The integrated illuminating and ventilating structure comprises a car top and a lamp box, wherein the car top and the lamp box are integrally formed; fans are symmetrically arranged on the left side and the right side of the car top; a plurality of ventilation openings which are matched with the fans are formed in the lower surface of the lamp box; a plurality of LED (light emitting diode) lamps are arranged on the lower surface of the lamp box; and a plurality of heat dissipation holes are formed in four side walls of the lamp box. When the integrated illuminating and ventilating structure is used, secondary ceiling hanging is avoided, the actual using height of the car is increased, the production cost is greatly reduced, the supply air rate is greatly increased, and the air flowing quantity of the inside of the car body is also increased. The heat dissipation holes are formed in the four side walls of the lamp box, so that the heat dissipation effect of the LED lamps is greatly improved, and the service lives of the LED lamps are effectively prolonged. The integrated illuminating and ventilating structure of the car of the elevator has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like.

The invention discloses a high-flow compact interstage air entraining method of a centrifugal compressor and aims to provide an air entraining design scheme which has the advantages of simplicity, high efficiency and compact size. The high-flow compact interstage air entraining method is characterized in that air entrained flow, the flow of primary air and entrained air in a backflow device and the characteristics of a flow field of an outlet of a mixed section are comprehensively analyzed, and air is entrained in the middle section of a blade of the backflow device, so that the design cycle is shortened, the production process is simplified, and materials are saved, thereby reducing the production cost of a unit.

The invention relates to the technical field of cable detection, in particular to a visual cable detection device with an adjustable detection space closed shooting distance, which comprises two symmetrical systems, namely a left side system and a right side system; wherein the left side system is provided with an upper rotary opening and closing system and a lower rotary opening and closing system; a distance-adjustable shooting system is arranged between the upper rotary opening and closing system and the lower rotary opening and closing system, pressing mechanisms are arranged between the shooting system and the upper rotary opening and closing system and between the shooting system and the lower rotary opening and closing system respectively, shading structures are arranged on the outer sides of the symmetrical systems, and connecting structures are arranged on the upper sides and the lower sides of the symmetrical systems. The device is built mostly with bolt connection, so that the structure is simple, maintenance is convenient, the production and manufacturing cost is low, and good economic benefits can be brought; the bolts are rigidly connected with the set screws and thelike, so that the stability of the detection device in the detection process is ensured, and the external interference resistance of the detection device is improved.

The invention relates to the technical field of medical rehabilitation instruments, in particular to an action assisting device based on surface myoelectricity and an action intention identification method. A control circuit board receives a bioelectricity signal transmitted by a sensing unit and performs bioelectricity signal feature extraction; and extracted bioelectricity signal features are sent to a classifier for linear discriminant analysis, a classification result is sent to a voter, the result of the voter is compared with a threshold comparison result, a final motion intention result is output and an instruction is transmitted to a driver, so that the driver generates a driving force to control a hand exoskeleton to act. Two actions of stretching and bending are achieved by one motor, the pay-off speed is adjusted in a small range, the self-locking return stroke gap is eliminated, the safety and reliability of a self-locking mechanism are greatly improved, the difficulty of inaccurate electric signal recognition motion intention is overcome, the control delay of the whole system is reduced, and the action intention of a user can be directly reflected.

The invention aims at providing a scroll casing and a clothes drying machine. The scroll casing can be formed by different parts through combination, the processing difficulty is reduced, the product precision is high, the pneumatic loss caused by the airflow collision can be reduced, and the noise is lower. The scroll casing is made of plastic materials, so the material cost is saved. At the same time, a wind outlet of the scroll casing can not be shielded by a grid device, the pneumatic loss caused by the airflow collision can be reduced, the noise is lower, simultaneously, the protective effect on the inside of a machine body is good, and the occurrence of the situation of collision between the grid device and a fan can not be caused. The invention is realized through the following technical scheme: the scroll casing comprises a bottom plate, a rotary step-shaped scroll curve surface casing, a scroll curve surface and a wind outlet, a space inside the scroll curve surface is an air flowing region, the scroll casing is divided into two or more than two mutually dismountable assemblies, the assemblies are in split joint through connecting devices for forming the whole body of the scroll casing, and two or more than two assemblies are all plastic structural elements.

The invention discloses a mining lamp, and belongs to the technical field of mining equipment. The mining lamp comprises a shell and a switch button. A through hole is formed in the shell; the switch button comprises a pressing part and a first connecting part which are movably connected, and the first connecting part is formed in the through hole through injection molding so as to be fixedly connected with the shell in a sealed mode; and the pressing part can reciprocate relative to the shell so as to open or close the miner lamp. According to the miner lamp disclosed by the invention, the switch button is poured on the through hole of the shell through integral injection molding, so that the reliability of connection between the switch button and the shell is improved, and the sealing performance of the switch button and the shell is further improved; the mining lamp is simple in structure and easy to machine, the switch button and the shell are connected only through integral injection molding, the sealing effect can be achieved, the procedure of adding parts such as a sealing ring in the prior art is omitted, and therefore the machining and assembling procedures of the mining lamp are simplified, and a user can install and operate the mining lamp more conveniently.

The invention relates to the technical field of knitting, in particular to a warp yarn cluster. The cluster comprises a bracket, a first separating device for longitudinal separation of warp yarns anda second separating device for transverse separation of the warp yarns after the longitudinal separation are arranged on the bracket at intervals in the extending direction of the warp yarns, a plurality of through holes are formed in the first separating device for the warp yarns to penetrate through, the number of the through holes is less than the number of the warp yarns before penetration, and the second separating device is provided with several layered structures arranged at parallel intervals in the vertical direction. Compared with the prior art, the cluster has simple structure andlow cost.

The invention relates to an ytterbium ion doped ABGS crystal and a self-frequency-doubling ultrashort pulse laser. The laser comprises a semiconductor laser pumping source, a focusing system, a firstresonant cavity mirror M1, a self-frequency-doubling laser crystal, a second resonant cavity mirror M2, a GTI mirror, a third resonant cavity mirror M3, a fourth resonant cavity mirror M4 and a saturable absorber, which are arranged along a light path; the self-frequency-doubling laser crystal is an ytterbium ion doped A3BGa3Si2O14 crystal, wherein A is Ca or Sr, and B is Nb or Ta. The crystal haslaser emission and nonlinear optical effects at the same time, and ultrashort pulse self-frequency-doubling green light output is realized by using a self-frequency-doubling crystal through a mode locking technology. The cost is low; one self-frequency-doubling laser crystal is used for replacing a laser crystal and a nonlinear crystal, so that the production cost is greatly reduced, and meanwhile, the machining and assembling links are simplified; and the production efficiency is improved.

The invention is an optical engine illuminating system applied to projecting technology field, the lamp house is arranged on the focus of elliptical reflecting bowl, the beam is gathered on another focus of the reflecting bowl, forms the incidence white light spot of the system; or the illuminating lamp house is arranged on the focus of the reflecting bowl with parabola type, its beam is emitted out nearly parallel after being reflected by the reflecting bowl, the white light spot enters the back non-array polarization prism group, the polarization state of the output beam is controlled by the polarization prism group, the polarization light converted by the non-array polarization prism group enters the grating device on the direction of the non-array polarization prism group, the white light is divided into spectrum light through the grating, then uses the light bar device to collect the spectrum light. The invention is simple and the cost is low.