52results about How to "Realize a wide range of adjustment" patented technology

The invention relates to a cable support, in particular to an adjustable type cable fixed support. The adjustable type cable fixed support comprises a stand column (1), a suspension arm (3), an installation seat C (2) and a U-shaped bolt (5), wherein the installation seat C (2) is fixedly connected with the suspension arm (3), and the installation seat C (2) is connected with the stand column (1) through the U-shaped bolt (5). The adjustable type cable fixed support has the advantages that the installation seat C is connected with the stand column through the U-shaped bolt, the suspension arm which is connected with the installation seat C can move up and down on the stand column, in addition, the suspension arm which is connected with the installation seat C can be horizontally arranged around the stand column in a rotation mode, the stand column and the suspension arm are assembled to form a structure so as to facilitate transportation and machining, a rotating seat is arranged, especially, an installation seat D and an installation seat E form the rotating seat to enable the suspension arm to rotate around the installation seat C, adjusting range is further expanded, use range of a cable support is increased, and the adjustable type cable fixed support is convenient to use.

The invention discloses a capacitance flexure accelerometer with an adjustable scale factor. The capacitance flexure accelerometer comprises a quality detecting part, a pair of differential capacitors, a sensor, a computing module and a static executer. The quality detecting part is connected with a fixed framework through a flexible structure. The pair of differential capacitors comprises two moveable pole plates and two fixed pole plates. The two movable pole plates are formed by metal coatings on the two side faces of the quality detecting part, and the two fixed pole plates are symmetrically arranged on the two sides of the quality detecting part and right opposite to the two movable pole plates respectively. The two movable pole plates are connected with the input end of a sensor, the output end of the sensor is connected with the input end of the computing module, the output end of the computing module is connected with the input end of the static executer, and the output end of the static executer is connected with the two movable pole plates. According to the capacitance flexure accelerometer, the scale factor can be adjusted in a large scale, the capacitance flexure accelerometer can be widely applied to accelerometer gravity gradient instruments, and the horizontal movement acceleration noise along a rotary table plane and the angular acceleration noise along a rotary table rotating shaft are effectively restrained.

An output adjustable changeable structural direct current switch power supply comprises a full-bridge dc converter, a high frequency transformer, two single-phase diode rectifier bridges, a low frequency switch power switching tube, and two bypass diodes. The low frequency switch power switching tube and the bypass diodes are respectively connected between positive and negative output ends of the single-phase diode rectifier bridges and switch power supply to change output way agilely by control of low frequency switch power switching tube, which may be parallel operation and wound operation, being a structural changeable dc switch power supply. The invention is especially applicable for the switch power supply application field with output in wide scale adjustment. Compared with wide scale adjustment technology in prior art, adjusting scale of output voltage and current is greater and voltage and current stress of the diode rectifier bridge is reduced, which simplifies design of the high frequency transformer, improves efficiency and reduces cost.

This invention discloses one resistance heating fusion tamper machine to process light fiber parts, which comprises resistance heater and its movable structure, fiber stretching structure, shell rack, fiber clamper and fiber package structure, wherein, the rack is set with heater movable structure with heater set; the heater is set with resistance heating part with front set with fiber clamper heating tank; the resistance heater is connected with temperature control device.

The invention discloses a contact thermal resistance measuring device capable of adjusting the loading force and the temperature within a wide range. The contact thermal resistance measuring device comprises a measuring unit, wherein the measuring unit is connected to a rack; the bottom of the rack is connected with a universal wheel; a level instrument is placed on the upper surface of the rack; a liquid inlet pipe of the measuring unit is connected to a feed liquid inlet of a liquid nitrogen storage tank through a liquid nitrogen injection pipe; and an exhaust pipe of the measuring unit is communicated to an atmospheric environment through a nitrogen escape pipe. The axial heat flow measurement precision is improved in a high vacuum heat insulation way; the loading force of a contact surface is adjusted within the wide range by using a loading bolt, a thrust bearing and the like; the temperature of the contact surface is adjusted within the wide range by using a liquid nitrogen tank, an electric heating ring and the like; the loading force and the temperature can be adjusted at any time in a measuring process without damaging the vacuum degree; and the contact thermal resistance measuring device has the advantages of accuracy in measurement, wide working condition range, convenience for operation and the like.

The invention provides a dense medium suspension density control system and a control method thereof, and belongs to the field of dense medium density control. The control system and the method aim tosolve the problems that in the prior art, the large-scale adjustment of the density of a composite medium barrel cannot be realized, the adjusting time is long, the adjustment is slow, and the adaptability is poor. The control system comprises a control terminal, a PLC and an executing device, wherein the control terminal is connected with the PLC through a network, the executing device comprisesa liquid level sensor, a flow dividing valve, a water supplementing valve, a water adding valve, a dense medium pump, a reverse flow dividing pump and a densimeter, the PLC is connected with all theexecution equipment, the liquid level sensor is arranged on the inner side wall of the composite medium barrel, the flow dividing valve is arranged on a pipeline between the composite medium barrel and a clean coal dilute medium barrel, the water supplementing valve is arranged on a pipeline between the composite medium barrel and a swirler, the water adding valve is arranged on a pipeline betweena water source and the composite medium barrel, an inlet of the dense medium pump is connected with a dense medium barrel, an outlet of the dense medium pump is connected with the composite medium barrel, the inlet of the reverse flow dividing pump is connected with the composite medium barrel, an outlet of the reverse flow dividing pump is connected with the dense medium barrel, and the densimeter is arranged on a pipeline between the composite medium barrel and the swirler.

The invention discloses a suspension device of an automotive exhaust system capable of adjusting the angle of a lifting lug, comprising the lifting lug, a connection pin I, a connection pin II, a support I provided with a chute and a support II provided with a chute, wherein, the connection pin I and the connection pin II are connected with the support I and the support II through the chutes, andare connected with the lifting lug. The suspension device of the invention can conveniently adjust the installation angle of the lifting lug relative to the automotive body, can adjust the lifting lug at any time according to actual conditions, and eliminates covibration to the greatest extent, thus leading the transmission amount of the vibration of the exhaust system to the automobile body to reach the lowest value, improving comfort of a control cabin, reducing noise pollution and prolonging the service life of the suspension device; and meanwhile, when a vibration test of the exhaust system is performed, multiple different suspension devices need not to be manufactured, thus large scale adjustment of the lifting lug angle is realized, thereby realizing tests of lifting lugs at different installation angles, which has an important significance in improving work efficiency, shortening development cycle and lowering development cost in the development process of automobiles.

The embodiment of the invention discloses an ice melting device with reactive compensation and adjustable output current. The ice melting device comprises at least one transformer, at least one inverter circuit, a fundamental wave electric signal detection module and a control module. The transformer comprises a primary winding and a secondary winding, the primary winding is connected between a power grid and a harmonic source in series or in parallel, the secondary winding is connected with the inverter circuit, and the inverter circuit is connected with the control module; the fundamental wave electric signal detection module is respectively connected with the primary winding and the control module and is used for detecting the current or voltage of the primary winding; the control module is used for controlling the inverter circuit to output fundamental current to be injected into the secondary winding according to the current of the primary winding so as to adjust the impedance ofthe primary winding, so that the output current is adjusted, and line ice melting can be realized when the current reaches the critical ice melting current of the line; or, according to the voltage ofthe primary winding, the inverter circuit is controlled to output fundamental voltage to be injected into the secondary winding so as to adjust the impedance of the primary winding, and the reactivecompensation function is achieved.

The invention provides a large object plane X-ray stripe image converter tube comprising an insulation jacket and a metal sleeve connected to each other. The insulation jacket is made of insulating material. The environment in the insulation jacket and the metal sleeve is vacuum. A cathode, a gate, a focusing electrode assembly and an anode are arranged inside the insulation jacket. The metal sleeve is arranged outside the tail of the anode. A fluorescent screen for receiving electron beams and imaging is arranged on an end part of the metal sleeve. The focusing electrode assembly comprises a plurality of focusing electrodes. The gate, the plurality of focusing electrodes and the anode generate a quasi concentric spherical electrostatic lens structure through fitting. The invention provides the large object plane X-ray stripe image converter tube with good shielding ability, strong anti-interference ability, little influence of curvature of field, and large cathode working area.

The invention provides a pressure adjusting structure comprising a valve seat, an exhaust tube and a magnetic valve body. The lower end of the exhausting tube passes through the valve seat; the magnetic valve body sleeves the upper end port of the exhausting tube; a magnetic cushion block is arranged between the valve seat and the magnetic valve body; and the magnetic cushion block is provided with a magnetic cushion block adjusting structure adjusting movements of the magnetic cushion block in a horizontal direction. When a pressure limiting value of a pressure-limiting valve has to be adjusted, positions of the magnetic cushion block in the horizontal direction is adjusted by the magnetic cushion block adjusting structure, so an area of the magnetic cushion block relative to the magnetic valve body can be changed; when the area changes, the magnetic field force between the magnetic cushion block and the magnetic valve block can be changed; the pressure limiting value of the pressure limiting valve can be adjusted and food cooking effect of the pressure cooker can be improved; the pressure adjusting structure does not contain elastic members, so adjusting performance decrease due to elasticity extenuation of the elastic components under the high-temperature and high-humidity environment for long time can be avoided; and product reliability can be improved and service life can be prolonged.

The invention discloses a surface source black body temperature control structure with high temperature uniformity. According to the surface source black body structure, a black body and a temperature control cold plate are integrally designed, a two-phase working medium flow channel is designed in the black body, and the two-phase working medium in the flow channel directly acts on the black body, so that the contact thermal resistance between the temperature control cold plate and the black body is eliminated, and the heat exchange temperature difference between the two-phase working medium and the black body is effectively reduced; and the temperature adjusting capability of the two-phase working medium on the black body surface is enhanced. The two-phase working medium flow channel is formed by connecting a plurality of parallel micro channels in parallel and is uniformly distributed in the black body, so that the two-phase working medium is uniformly distributed in the black body, the two-phase working medium flows and boils in the black body, the heat exchange coefficient is higher than that of a single-phase loop by one order of magnitude, the temperature control capability is high, the temperature control range is large, the stability is good, and the precision is high. Meanwhile, the surface temperature of the black body is measured through embedded contact type temperature measurement, environmental interference is avoided, and the temperature measurement precision is high.

The invention discloses an angle-adjustable face recognition device. The angle-adjustable face recognition device comprises a base; a mounting groove is formed in the upper surface of the base; a motor is fixedly connected to the inner wall of the bottom of the mounting groove; a machine shell is fixedly connected to one end of an output shaft of the motor; a first fixing shaft and a second fixingshaft are fixedly connected between the inner walls of the two sides of the machine shell; a first belt wheel and a second belt wheel are movably connected to one side of the first fixing shaft and one side of the second fixing shaft correspondingly; a steel belt is movably connected between the first belt wheel and the second belt wheel; an inserting hole is formed in one side of the machine shell; a first connecting shaft is movably connected into the inserting hole; and one end of the first connecting shaft is fixedly connected with one side of the first belt wheel. The device can integrally rotate by 360 degrees so that people in different directions can conveniently perform face recognition operation, large-range adjustment is realized, the use efficiency is improved, the device is also suitable for users with different heights, and the applicability of the device is improved.

The invention discloses a CO2 combined cooling and power system with a multifunctional refrigeration mode. The system comprises a working medium pump, a preheater, a heat regenerator, a gas heater, an expansion machine, a power generator, a compressor, a back pressure valve, a freezing evaporator, a refrigeration evaporator, a freezing expansion valve, a refrigeration expansion valve, a condenser, a freezing flow dividing three-way valve and a refrigeration flow dividing three-way valve. The system adopts CO2 as a cycle working medium, when the required refrigeration temperatures are different, the refrigeration flow dividing three-way valve and the freezing flow dividing three-way valve can be respectively adjusted to distribute the working medium flow entering a refrigeration loop, a freezing loop and a power generation loop, so that the combined cooling and power system has the capacity of large-range configuration and adjustment, and the refrigeration mode can be changed according to the refrigeration requirements; and switching of five operation modes including a refrigeration mode, a freezing mode, a freezing and refrigerating mode, a power generation mode and a cooling and power mode can be achieved by controlling and adjusting the opening degrees of the freezing flow dividing three-way valve and the refrigeration flow dividing three-way valve and different working states of the compressor and the expansion machine.

The invention relates to a universal laser distance measuring sensor which is suitable for a super-wide temperature range, comprising a laser emission unit, a laser reception unit, and a microprocessor analysis unit, wherein the laser emission unit is provided with a piece of light-guide fiber to connect with a laser emitter, laser is emitted from the extended light-guide fiber end, the laser emitter is put in a normal temperature environment of -10-40 DEG C, the light-guide fiber emitting end is put at a super-wide range ambient temperature, and the light-guide fiber is bent a plurality of times in its path. According to the invention, the problem of limited applicable temperature of lasers is effectively solved, the application of the laser distance measuring sensor in various ambient temperatures is realized, and the large-range adjustment of laser emitting direction is realized.

The invention discloses a high-weather-resistance water-based imitation argil coating and a preparation method thereof. The high-weather-resistance water-based argil-imitating coating is prepared from the following components in parts by weight: 25 to 50 parts of water-based acrylic acid modified organic silicon resin and 50 to 75 parts of argil color paste, wherein the water-based acrylic acid modified organic silicon resin is a physical mixture of water-based acrylic resin and water-based organic silicon resin, and the mass fraction of the water-based organic silicon resin is 50-60% and the mass fraction of the water-based acrylic resin is 40-50% according to the solid content; and the water-based organic silicon resin is synthesized from the following raw materials in parts by weight: 60 to 65 parts of methyl trialkoxysilane, 0 to 5 parts of phenyl trialkoxysilane, 0 to 3 parts of tetraalkoxysilane, 30 to 35 parts of deionized water and 0.1 to 0.4 part of acid catalyst.