150results about How to "Stable and reliable working condition" patented technology

The invention relates to a liquid level sensor, in particular to a capacitance induction type liquid level sensor. The invention aims at providing a capacitance induction type liquid level sensor which not only can overcome detection fault caused by unexpected interruption of power supply, but also has the function of temperature compensation and can conveniently calibrate the detection reference of water or other liquid in containers which is made of different materials and has different wall thicknesses, so that an intelligentized detection circuit can be realized; furthermore, the accuracy, the stability and the reliability of the working condition of the detection circuit are greatly improved, and the installation is simple and convenient.

The invention discloses an all-weather speed-measuring sky screen target which is characterized in that horizontal straight line structured light lasers are arranged at both sides of a detection target body of a box type sky screen target of the traditional lens group; and a generated fan-shaped shiny surface and a sky screen generated by the lens group are on a same plane. In the invention, the horizontal straight line structured light lasers as auxiliary light sources are fixedly arranged on the detection target body so as to be used as a light source; the light screen position of the sky screen target is also indicated; the reflected light of a reflecting film body on lasers is enabled to enter a detection lens by utilizing the reflecting film body positioned right above the detection target body of the sky screen target; light flux generated when a pill passes through the light screen of the sky screen target and a light screen of the lasers is sent to a calculagraph or a data acquisition device through photoelectric conversion and signal processing; and corresponding circuits are designed for different reflecting film bodies. The invention realizes the all-weather testing without being influenced by the change of sky brightness, day and night alternation and the transformation of sunny and rainy weathers, has the advantages of simple cloth target, higher position fault tolerance and low manufacturing cost and realizes the all-weather testing of pill speed.

The invention relates to a system and a method for improving the read-write success rate of radio frequency identification (RFID) tags on a movement production line. The system consists of a production management application server, read-write control, data detection, error correction control and security protection; the read-write control, the data detection, the error correction control and the security protection are respectively connected with the production management application server through a wired network and / or a wireless network; four different terminals using a computer, RFID, automatic control and the like and the production management application server execute tasks respectively set and are tightly matched; the data in the RFID tags is subjected to the functions, such as precise identification, multiple writing, verification, information protection, and automatic sorting of failure lags on the movement production line; the read-write success rate of the RFID lags data on the movement production line is remarkably improved; the productive efficiency is optimized; and the intelligent management for the production line is realized, so the system and the method provided by the invention have excellent polularization and application prospects on the modern industrial production line.

The invention relates to a thin straight-piece product stacking machine. The thin straight-piece product stacking machine is provided with a machine frame, a feeding mechanism arranged on the machine frame, a piece arranging mechanism and a pushing hand mechanism. A limiting mechanism is arranged at the position of the piece arranging mechanism corresponding to the feeding mechanism, and the pushing hand mechanism is arranged on one side of the piece arranging mechanism and is provided with a small package pushing hand and two bagging pushing hands symmetrically arranged on the left side and the right side of the small package pushing hand. Two compaction mechanisms are controllably slidably arranged at the position of the other side of the piece arranging mechanism corresponding to the pushing hand mechanism, the sliding direction of the two compaction mechanisms and the moving direction of the piece arranging mechanism are consistent, each compaction mechanism is provided with an adjustable fixed compaction plate and a slidable compaction plate, and the center distance between the small package pushing hand and each bagging pushing hand is matched with the distance between the two compaction mechanisms. The thin straight-piece product stacking machine can adapt to accurate piece arrangement and high-speed stacking of thin straight-piece products, works stably and is high in working efficiency and reasonable in design.

The invention relates to a high-voltage transformer bushing tap grounding on-line monitoring device, which comprises three tap grounding detection devices, a sampling transmission device, a remote monitoring device and a solar battery pack, wherein the three tap grounding detection devices are connected with the sampling transmission device by cables, the sampling transmission device is in wireless communication connection with the remote monitoring device, and the solar battery pack is connected with the sampling transmission device. Through the tap grounding device, the transformer bushing tap grounding is more reliable; and the transformer bushing tap grounding current is detected through measurement coils arranged in the tap grounding device, the sampling voltage output by the measurement coils is led out through measurement leads and used as an input signal of the sampling transmission device, the sampling transmission device outputs the signal to the remote monitoring device, and the tap grounding current can be continuously monitored through the remote monitoring device. The device realizes real-time remote continuous monitoring of the transformer bushing tap grounding current state, and is reliable and stable in working state.

The invention relates to a locked drill chuck, including drilling body, clamp claw, silk screw, silk screw cover, the front cover, the back cover, the back end of the drilling body is arranged with an axial aperture connected to the driving tool, the external part is connected to the back cover. The three claws are assembled in the oblique apertures; the silk screw is engaged with the clamp claw in the oblique aperture. There has a locked cover between the front cover and the back cover. There has an elastic locking device made up of locking cap, rolling body, and locking plate between the drilling body surface and the silk screw. The locking plate has several concave slots, in which there arranges with rolling bodies, the elastic claw of the locking cap fixes the locking plate and several rolling bodies, and the locking cover is connected to the locking plate slots. The structure of the invention is reasonable, the locking function is strong, and the torque inputting efficiency is high.

The invention discloses a multiphase synchronous rectification BUCK topology circuit which comprises a main control unit and an output filtering capacitor, and each phase circuit comprises a capacitor energy storage unit, a charging power unit, a synchronous rectification unit, a drive circuit, a fly-wheel diode and an inductive energy storage unit; the main control unit is respectively connected with the drive circuit of each phase circuit, and the drive circuit of each phase circuit is connected with the synchronous rectification unit, and the charging power unit; and the input end of each phase is connected in parallel, the output end of each phase is connected in parallel and connected to the output filtering capacitor. The technical scheme of the invention is adopted, each phase BUCK circuit is independently controlled, and flow equalization adjustment is automatically performed, thus option is simpler; the topology circuit has higher conversion efficiency under the occasion of low current; and meanwhile, when one phase is in failure, other phases are not influenced, and the working state is more stable and reliable.

The present invention relates to a socket unit, having multiple socket-insertions (20) that are inserted in a housing (10), and a light-emitting indicator (22) for displaying the operating conditions of the respective sockets insertions (20). The light-emitting indicator is provided with an associated light source unit (31) for the respective socket-insertions (20), and the light-emitting indicator (22) for a control circuit (30).

The invention discloses a ten-station flour packing machine which comprises a working platform, a bag supplying mechanism, a packing bag detection mechanism, a bag opening mechanism, an opening detection mechanism, two filling machines, a dust collector, a sealing machine and an output conveyor belt. A center transposition mechanism is arranged at the center of the working platform. The packing bag detection mechanism, the bag opening mechanism, the opening detection mechanism, the filling machines, the dust collector, the sealing machine and the output conveyor belt are mounted on the workingplatform and are successively arranged around the center transposition mechanism. The bag supplying mechanism is located on one side of the working platform and faces a position between the packing bag detection mechanism and the output conveyor belt. A vacancy is reserved between the packing bag detection mechanism and the output conveyor belt. The ten-station flour packing machine is compact instructure and small in occupied space, and can achieve automatic filling. By arranging the two filling machines: one is used and the other is standby. When one of the filling machines fails, the other filling machine can be started immediately to replace the failed filling machine, and the failed filling machine is maintained specially during stop production for maintenance, so that normal production is not affected.

The invention relates to a large-power wind driven generator step-up gearbox with an electric barring device. The large-power wind driven generator step-up gearbox comprises a large-power wind driven generator step-up gearbox, wherein a large barring gear, a small barring gear shaft and a box body of a clutch device are arranged on a high-speed end bearing seat; a driving motor is fixedly mounted on the box body of the clutch device; the large barring gear is meshed with the small barring gear on a small barring gear shaft; a clutch mechanism is fixedly mounted on the small barring gear shaft and the output shaft of the driving motor; the clutch mechanism comprises an outer spline shaft sleeve, an inner sliding spline combination shaft sleeve, a combination shaft sleeve, shifting fork rods and a shifting rod shaft; the combination shaft sleeve sleeves the small barring gear shaft; the inner sliding spline combination shaft sleeve is matched with the outer spline shaft sleeve; end surface teeth are formed in match on opposite sides of the combination shaft sleeve and the inner sliding spline combination shaft sleeve in the clutch mechanism; the end surface teeth matched with the inner sliding spline combination shaft sleeve are driven by the shifting fork rods to be separated or meshed in a tooth embedding manner.

The invention discloses special automatic welding rotation equipment of a concrete mixer chassis, which comprises a workbench as well as a driving device and a driven device which are respectively arranged at two ends of the workbench, wherein the driving device is used for providing power, and the driven device is used for supporting; the driving device and the workbench as well as the driven device and the workbench are connected and fixed through connecting seats; the driving device comprises a base and also comprises a shaft seat a flange plate, a transmission shaft and a power device which are fixed on the base; the transmission shaft is arranged in the shaft seat; one end of the transmission shaft is connected with the flange plate, while the other end is connected with the power device; and the flange plate is fixedly connected with the workbench through a connecting seat. In the invention, a hydraulic system is used for providing power, and the free rotation of the mixed chassis can be realized through simple operations to obtain optimal welding angles of various welding lines. The mechanism has the advantages of compact structure, stable and reliable working state and simple operation, can improve the welding quality and the welding efficiency of the chassis and is beneficial to reducing the welding labor intensity of the mixer chassis and realizing automatic operations.

The invention discloses an accumulator replenishing valve of a full-hydraulic braking system of engineering machinery, which comprises a replenishing valve oil inlet, two replenishing valve working oil holes and a replenishing valve oil return hole, wherein the two replenishing valve working oil holes are respectively communicated with two accumulators; meanwhile, the two replenishing valve working oil holes are also respectively communicated with oil inlets of two hydraulic master valves, the replenishing valve is provided with two two-position and two-way valves, and the oil outlet of each two-position and two-way valve is communicated with one accumulator; the on positions of the two-position and two-way valves are controlled by oil paths of oil inlets of the two-position and two-way valves, and the oil paths of the oil inlets of the two-position and two-way valves are communicated; and the off positions of the two-position and two-way valves are controlled by oil outlets of the two-position and two-way valves. Adopting the technical scheme, the accumulator replenishing valve is in a full-hydraulic braking system structure, wherein various technological parameters and property indexes meet design requirements of the hydraulic system, the working state is stable and reliable, and the safety property is good.

The invention discloses a simple micro-added resistance large-deformation anchorage device and a simple micro-added resistance large-deformation anchorage method. The device mainly comprises a yielding anchorage device, a guide spring and a rooting anchorage device. Yielding is realized by the gradual damage of multiple threads in a clamping piece of the yielding anchorage device and the compressive deformation of the spring, so that large deformation of surrounding rocks is adapted, and micro-added resistance anchorage force is provided for the surrounding rocks; in such a process, the surrounding rocks can be yielded by 15 to 25cm, larger deformation of the surrounding rocks of a roadway can be adapted, and moreover, the micro-added resistance anchorage force can further be provided to slowly change the deformation of the roadway within a certain range in a deformation process of the roadway, so that the roadway can be well supported, the requirement of large deformation of the roadway can be met, and anchorage effect loss or failure of an anchor rope due to the excessive deformation of the roadway can be avoided. The device and the method can be better adapted to deep well and soft rock dynamic-pressure roadways, roadway maintenance cost is reduced, and the safety and the reliability of the roadway are improved.

The invention belongs to a railway track bed, and discloses a floating track bed. The floating track bed comprises floating slabs and elastic supporting elements. The adjacent floating slabs are connected through shearing force transmission devices. The elastic supporting elements are located between a base and the floating slabs. The floating slabs are supported on the elastic supporting elements. The floating track bed further comprises back pressure devices which comprise back pressure elastic elements and connecting pieces. One ends of the connecting pieces are fixed to the base, and the other ends of the connecting pieces are matched with the corresponding back pressure elastic elements. The floating track bed disclosed by the invention is simple in structure, system inherent frequency variation is reasonable and controllable, the vibration and noise levels are low, the vibration adsorbing and noise reducing performance is stable, the vibration isolating efficiency is high, the service life is long, the safety is better, and the floating track bed can be widely applied to track bed structures of different rail transit types including railways, metros, urban railways, elevated railways, high speed railways and the like and has wide market application prospects.

The present invention relates to a small power electro-magnetism decelerate pressure-limiting scenery complementary power generation system, which adds a electro-magnetism backset decelerator on the basis of original power generation system, the decelerator is coaxially set the axis of the rotor of a wind power generator, and connects with a intelligent controller through a on-off circuit. The present invention adds a set of electro-magnetism backset decelerator on the basis of the power generation system, and realizes automatic deceleration through automatic control of a intelligent controller when a blower fan over speeds, or automatic pressure limitation when a accumulator cell over charges, to make rotate speed of a power generator and pressure of the accumulator cell never beyond the setting value whatever conditions the wind motor in, so as to keep it in secure and dependable working status always.

The invention belongs to the field of vibration control, and in particular, relates to a tensile vibration isolation device. The tensile vibration isolation device comprises a substrate and an elastic support element; and the elastic support element includes a metal compression spring. The tensile vibration isolation device further comprises a reverse pressing elastic element, a reverse pressing plate and a connecting piece; a middle force bearing plate and an outer connecting plate are arranged in the connecting piece; a connecting rod or a shell is arranged on the substrate; the bottom end of the connecting rod or the shell is fixedly connected with the substrate; the reverse pressing plate and a limiting piece thereof are arranged at the top of the connecting rod, or the reverse pressing plate is fixed at the top of the shell; the reverse pressing elastic element is positioned between the reverse pressing plate and the middle force bearing plate; and the support elastic element is positioned between the middle force bearing plate and the substrate. The tensile vibration isolation device is simple in structure, can bear both downward pressure and upward tensile force, is high in vibration isolation efficiency, is stable and reliable in performance, can be widely applied to elastic vibration isolation foundation engineering in various ship power, industrial rotating equipment or rail transit vehicle operations, and is broad in market prospect.

The embodiment of the invention discloses a method, an apparatus and a circuit for detecting a super capacitor, relates to the capacitor detection field and solves a problem that a capacitance value cannot be detected. The method for detecting the super capacitor comprises transmitting switching control instructions to a switching control module at first, cutting off the to-be-detected super capacitor from a series-connection super capacitor set, transmitting gating instructions to a gating control module to enable a voltage detection module to carry out voltage detection during discharging of the to-be-detected super capacitor, obtaining at least two voltage values of different time from the voltage detection module, calculating a detection value of the to-be-detected super capacitor, determining and obtaining detection results. The method, the apparatus and the circuit provided by the invention are mainly applied to detection of electrical components.

The invention provides a welding wire buffer device. The welding wire buffer device is arranged between a first wire feeding part and a second wire feeding part. The first wire feeding part conveys awelding wire to the buffer device, and the second wire feeding part conveys the welding wire to a neck part of a welding gun for welding. One end of an inner wire feeding pipe is fixedly connected with the first wire feeding part, and the other end of the inner wire feeding pipe is a free end and moves along with the welding wire in the axial direction to achieve a buffering function. According tothe welding wire buffer device, a buffer space is provided for the welding wire, the probability that the welding wire gets stuck due to a large curvature, caused by a large back-pulling quantity ofthe welding wire, of a wire feeding pipe is lowered, protection pipes with small diameters reduce the weight of the wire feeding pipe, and the gravity of the welding wire and the inner and outer protection pipes of the welding wire is further reduced, so that the friction force between the welding wire and the inner and outer protection pipes is reduced, and the precision of the welding wire buffer device is improved. According to a welding robot and welding system using the welding wire buffer device, the structure of a welding device is simplified, the manufacturing cost is reduced, the production cycle is shortened, and the economical performance and practicability of the welding robot and the welding system of the welding robot are improved.

The invention belongs to the technical field of optical instruments, and provides a zooming transmission system with a self-locking performance for a zoom lens in order to solve the problem that the conventional zooming transmission mechanism has an insufficient output torque or an insufficient output rotational speed when the elevation angle of the zoon lens is increased gradually. The zooming transmission system comprises a high-precision rotary potentiometer, a direct current motor, an elastic shaft coupling joint, an output gear, a support box body, a main lens barrel, an output shaft, a worm wheel, a worm rod, a box body and a motor seat; the direct current motor is fixed on the motor seat; the motor seat is fixed on the box body; the direct current motor is connected with the shaft where the worm rod is through the elastic shaft coupling joint; the worm rod is precisely meshed with the worm wheel; the worm rod is used for driving the worm wheel to perform transmission; the worm wheel is fastened on the output shaft through a taper pin; the output gear is fixed on the output shaft through a taper pin likewise; the output shaft is in rigid connection with the rotary potentiometer through a pin bolt; and the output gear is precisely meshed with the gear of a cylindrical cam. According to the zooming transmission system provided by the invention, the problems are solved, so that the response speed and reliability of the zoom lens are improved.

The invention provides an operating bed which is exquisite in structure, convenient to use and simple in adjusting mode, and the stability and the comfort are greatly promoted after the adjustment. The operating be comprises a base, a lifting cylinder, a bed frame, a waist plate, a waist plate drive assembly, a seat plate, a leg plate, a back plate and a head plate assembly; the lifting cylinder is connected between the bed frame of the operating bed and the base of the operating bed and used for driving the bed frame to do lifting motion; the lifting cylinder comprises a base plate, an inner cylinder body, an outer cylinder body, a piston, an output shaft, a shaft seal cover and a cylinder sleeve, the base plate is connected to the top face of the base, and the cylinder sleeve is connected to the bottom of the bed frame. The operating bed has the advantages of being good in use convenience, high in safety, stable and reliable in motion, stable in working condition and long in service life.

The invention discloses a method for separating and processing marine oily water and a processing device thereof. The method comprises the following steps: preheating treatment is carried out on bilgeoily water to 48-58 DEG C; oil drop aggregation and oil-water gravity separation are carried out to separate out waste oil and separate water; the separated water is filtered into filtered water by afilter-material filter device and then is sent to a separation process device; concentrated solution is recovered; and infiltration water is discharged outside cabin. The device for processing marineoily water of the invention comprises a heater, a gravity separator, a suction pump, a filter-material filter and a membrane processor communicated sequentially; the oily water inlet of the heater isconnected to a bilge oily water station; and the infiltration water outlet of the membrane processor is communicated with a sea valve by a puff pipe. The invention not only can realize separation process of high-density residuum oily water, but also can realize effective separation process of emulsion in oily water, so as to meet strict emission standard, thereby being widely used in separation process of bilge oily water.

The invention relates to a simple table type water dispenser. The simple table type water dispenser comprises an electrolysis unit and a membrane filtering unit, wherein the electrolysis unit comprises two pair of paired negative and positive electrodes, an electrolysis power supply and a water tank, wherein a first water inlet and a second water outlet are formed in the water tank; the two pair of the paired negative and positive electrodes include a first electrode pair and a second electrode pair, a first water-permeability diaphragm prepared from non-conductive materials is arranged between negative and positive electrodes of the first electrode pair, a second water-permeability diaphragm prepared from non-conductive materials is arranged between negative and positive electrodes of the second electrode pair, the positive electrode of the first electrode pair and the water tank are separated by the first water-permeability diaphragm, the negative electrode of the second electrode pair and the water tank are separated by the second water-permeability diaphragm, and the negative electrode of the first electrode pair and the positive electrode of the second electrode pair are located in the water tank; and the membrane filtering unit is provided with a second water inlet and a second water outlet which are communicated to each other. According to the simple table type water dispenser, the pollutants in source water can be efficiently removed, and bacteria in source water can be thoroughly inactivated.

The invention relates to a chip packaging method, which comprises the following steps of: step 1, connecting a buffer substrate, a chip and a packaging shell into a whole body; and step 2, connecting an optical window and the structure formed in the step 1 into a sealed cavity in a sealing manner. The invention also relates to a chip packaging structure, which comprises the chip, the optical window, the packaging shell and the buffer substrate, wherein the packaging shell and the optical window form the sealed cavity, the buffer substrate is located in the sealed cavity, the chip is arranged on the upper surface of the buffer substrate, the lower surface of the buffer substrate is provided with a thin film getter, and a gap is formed between the buffer substrate and the inner wall of the packaging shell. By the chip packaging method and the chip packaging structure, disclosed by the invention, the chip packaging structure has mechanical shock resisting capability, so that the vacuum environment required by the chip can be realized, the packaging size can be reduced, and the packaging cost can be reduced.

The invention discloses a double-nut same-diameter forward and reverse bidirectional compound thread anti-loosening anti-theft self-locking bolt, which belongs to the technical field of mechanical fastening pieces. The technical scheme key point of the bolt is that the bolt comprises a bolted cap and a bolt bar thread end, wherein the bolted cap and the bolt bar thread end are subjected to integral manufacture and forming; the bolt bar thread end is independently subjected to screw joint and compounding with a fastening nut and a locking nut, and the fastening nut and the locking nut have opposite thread rotation directions; a positioning anti-loosening component is arranged between the fastening nut and the locking nut and comprises a first spacing structure and a second spacing structure, wherein the first spacing structure is arranged on a traditional threaded section on the fastening nut, and the second spacing structure is arranged near a threaded section end surface on the locking nut; and a connecting and clamping structure is arranged between the first spacing structure and the second spacing structure. By use of the device, on a premise that no weight is added, the integral intensity and stability of the bolt can be improved, and the practical requirements of low-cost powerful loosening prevention, theft prevention and eradication of a situation that the bolt works around the clock can be realized. The bolt disclosed by the invention has a simple and reliable structure, is convenient in operation, has a simple processing technology and is suitable for using for standardized production, and the product cost of the bolt disclosed by the invention is lower than the production cost of a Down bolt.

The invention relates to the piston-type automobile tractor. The design outline is that the head of towing is a whole body and in t the head of towing it mounts the piston body which slides in the axes direction, the connecting rod, the component of the rail and the component of the connecting rod clevel. On the top of the head of towing there is the revolving cam component and on the trail frame there is the spanner component. When the active automobile tows the passive one, on the condition of the revolving cam component the inner ball cote clasps the head of the ball which connects with the towing haulm of the active automobile and actualizes the towing of the passive automobile.

The invention relates to a water purifier.The water purifier comprises an electrolysis unit and a membrane filtration unit.The electrolysis unit comprises at least one pair of anodic electrode and cathodic electrode, an electrolysis power source supplying power to the anodic electrodes and the cathodic electrodes and a water tank.A permeable diaphragm made of a non-conductive material is arranged between the anodic electrode and the cathodic electrode in each pair.The water tank is provided with a first water inlet and a first water outlet.Each permeable diaphragm is provided with permeable micropores with a uniform aperture.The side wall of the water tank is provided with windows.The permeable diaphragms are fully laid on the windows.The cathodic electrodes are arranged in the water tank, and the anodic electrodes are arranged outside the water tank.A porous adsorbing material is arranged in the water tank.The first water outlet is formed in the porous adsorbing material.The membrane filtration unit is provided with a second water inlet and a second water outlet.The first water outlet is communicated with the second water inlet.Compared with an existing physical filtration water purifier, the water purifier is reliable in operation and long in service life.

The invention discloses an air suspension system applied to a heavy truck. The air suspension system comprises a balance beam, an axle, a frame and air spring assemblies, wherein the entire balance beam has a C-shaped structure of which the opening is upward; the middle part of the balance beam is connected with the axle; and the upper sides of the two end parts of the balance beam are provided with one air spring assembly respectively. The air suspension system can be used for solving the technical problems of non-smooth running of the truck, reduction in the riding comfort and easy damage to truck-mounted goods in the running process caused by lagging phenomenon of a steel plate spring, no contribution to the overall arrangement and the running stability of the entire truck, larger dead-weight, increase in oil consumption, no contribution to energy saving and emission reduction, and the like. Meanwhile, the invention further provides a highly reliable air suspension applied to the heavy truck, so that the dead-weight of the entire truck is lowered, the comfort and the smoothness of the truck in the running state are improved at the same time, the working state is reliable, and the service life is long.

The invention provides a bullet charging and discharging device which comprises a bullet containing groove, a bullet push rod and a bullet discharging device. The bullet containing groove is provided with a front bag opening movably connected with a box magazine. Sliding grooves are formed in the two inner side walls of the bullet containing groove, the bullet push rod is a strip-shaped cube, and boss keys matched with the sliding grooves are arranged on the two outer side walls of the bullet containing groove. A back bag opening is formed in the back end of the bullet containing groove, a limiting groove is formed in the back bag opening, and a limiting clamping tenon is arranged at the front end of the bullet push rod and is movably matched with the limiting groove. The bullet discharging device comprises a T-shaped positioning bullet sheet, an L-shaped insertion needle and a U-shaped sliding plate. The invention further provides a quick bullet charging and discharging method for the bullet charging and discharging device. The bullet charging and discharging device has the beneficial effects that bullet charging and discharging are convenient, machining, assembling and adjusting are facilitated, the working state is stable and reliable, the manufacturing cost is low, carrying is easy, the bullet charging and discharging device is suitable for being used in all-weather environments, quick bullet charging is achieved, the failure rate is approximately zero, the bullet discharging device can be easily and stably used, and quick bullet discharging is achieved.

The invention discloses a current / voltage conversion circuit with filtering and amplification functions and belongs to a current / voltage conversion circuit. The current / voltage conversion circuit comprises a current input end 1 and a voltage output end 2 and is characterized in that a current / voltage conversion signal circuit 3, a filtering circuit 4 and an amplification circuit 5 have a connecting relationship that: the current input end 1 is connected with resistors 6' in a current detection resistor sequence 6; a switch 7' in a multiway selection switch 7 is closed and the other switches 7' are open to form a voltage signal U1; noise is removed from the U1 by the filtering circuit 4 to form a voltage signal U2; and a voltage signal U3 with an increased amplitude, namely the voltage output end 2, is obtained after the U2 passes through the voltage amplification circuit 5. The current / voltage conversion circuit has the advantages that the current / voltage conversion circuit has a stable working state and is free from oscillation; the input dynamic range is wide; a weak current signal can be detected; the response time is short; the signal to noise ratio is high; and the current / voltage conversion circuit has an amplification function and a higher practical value, and facilitates subsequent processing.

The invention discloses a filling bag supporting mechanism. The mechanism comprises a bag supporting plate, a rotating table and two bag supporting arms, wherein the bag supporting plate is a circularplate installed on a central cylinder; a rotating shaft located at the center is fixed below the rotating table, and penetrates the cylinder downwards; a bag supporting return spring is connected between the two bag supporting arms; a clamping plate is arranged at one end of each supporting rod, and the other ends are hinged to the rotating table; one supporting rod is connected with a toggle plate inclined inwards; a toggle wheel is hinged to the end of the toggle plate, and is tangent to the bag supporting plate. According to the bag filling and supporting mechanism, the opening and closingangle of the bag supporting arm is controlled by cooperation of the bag supporting plate and the toggle wheel, and accuracy of the opening and closing angle of the bag supporting arms can be ensuredby mechanical control. Moreover, the toggle wheel is a variable diameter cylinder, and the matching position with the toggle wheel can be changed by changing height of the bag supporting plate, so that the opening and closing angle of the bag supporting arms is changed, and the control method is simple and accurate.