32results about How to "Simple and flexible adjustment" patented technology

The invention provides a model driven based imaging design method for an embedded industrial real-time system, and belongs to the technical field of embedded application software and industrial control. The method comprises steps as follows: an embedded industrial real-time field imaging meta model is recognized and constructed; a semantic knowledge base of the imaging meta model is constructed; a model mapping rule system based on the semantic knowledge base is formulated; a visible source model design platform is established; and a model conversion environment which is compatible to various target systems is provided. By means of the method, new system application software can be re-customized by modifying the source model according to requirements of embedded products and changes of application characteristics, and the method has good applicability, maintainability and reusability, can effectively improve the developing efficiency of an embedded industrial terminal, and is real, feasible and suitable for industrial development of embedded products.

The disclosed hanging set includes following parts and characters: rear cap of constituting rear part of hanging type TV set; steel wire designed for hanging TV set on wall fixedly; fixed part integrated with back surface of the said rear cap for fixing the said steel wire; and angle modulation set for adjusting audiovisual angle of hanging type TV set. Thus, the disclosed hanging set is capable of installing box shaped hanging type TV sets such as PDP TV and LCD TV sets as well as adjusting audiovisual angle simply and neatly. Moreover, changing place where hanging type TV set hangs on will not damnify wall surface.

A transmitter stage working according to the envelope restoration principle includes means for providing an amplitude representation and a phase representation of an amplitude and phase-modulated signal to be transmitted, as well as a phase-locked loop with a feed-forward branch and a feedback branch, as well as amplification control means formed to convert the amplitude representation to an amplification control signal, which may be fed into the amplification control input of a nonlinear power amplifier. In the feed-forward branch, a digital/analog converter is arranged. Furthermore, in the feedback branch, an analog/digital converter is arranged, so that the phase detector of the phase-locked loop is implemented in digital form. By an as large as possible proportion of digital signal processing, an inexpensively implementable and exactly working transmitter stage is obtained.

The invention belongs to a fresh air humidifying unit and particularly relates to a single-cooling heat source fresh air humidifying unit. The unit comprises an indoor unit and an outdoor unit. The indoor unit comprises an air inlet, a filter screen assembly, an evaporator, a reheat condenser, a humidifier, a fan and an air outlet which are arranged in sequence. The outdoor unit comprises a four-way valve, a compressor, a condenser and an outdoor expansion valve, wherein the compressor, the condenser, the outdoor expansion valve and the evaporator form a loop. The evaporator, the compressor and the condenser are connected with the four-way valve, the condenser is provided with a radiator, the reheat condenser and the condenser are in parallel connection through a pipe, and the pipe, closeto the evaporator, of the reheat condenser is provided with a reheat expansion valve. According to the single-cooling heat source fresh air humidifying unit, a single-cooling heat source is adopted for treating air, the heating temperature of the reheat condenser is controlled just by adjusting the flow proportion of the reheat expansion valve to a main expansion valve, electrodeless adjustment can be achieved, and the adjustment process is simple and flexible.

The invention discloses a mobile terminal. The mobile terminal comprises a middle metal frame and an antenna, wherein the middle metal frame is an enclosed no-break-point frame, the middle metal frame is electrically connected with a reference ground, the antenna is arranged in the middle metal frame and comprises a feeding arm, a tuning arm and a grounding arm, one end of the feeding arm is electrically connected with a feeding point, the other end of the feeding arm is connected with the middle metal frame, the tuning arm is connected with the middle metal frame, one end of the grounding arm is connected with the middle metal frame, the other end of the grounding arm is electrically connected with a grounding point, and the grounding point is electrically connected with the reference point. As the middle metal frame is electrically conducted with the reference ground, the middle metal frame forms one part of the reference ground and is taken as a main radiator of the antenna, the tuning arm is employed to adjust resonance frequency of a wireless network antenna, resonance frequency of a positioning antenna can be adjusted by changing the position of the grounding point of the grounding arm, the corresponding frequency band is covered, requirements for integrating performances of the positioning antenna and the wireless network antenna are realized, by utilizing the radiation mode, requirements of enclosure and no break point of the middle metal frame can be realized, and structure strength of the mobile terminal can be greatly improved.

This invention discloses a memory control circuit and a method thereof. The memory control method includes the steps of: transmitting a first clock to a serial peripheral interface (SPI) NOR flash memory; transmitting a read instruction to the SPI NOR flash memory; waiting for a read waiting time period, which is associated with a specification of the SPI NOR flash memory and a cycle of the first clock; waiting for a delay time period, which is associated with a delay setting value and a cycle of a second clock different from the first clock; receiving read data returned from the SPI NOR flash memory; and adjusting the delay time period according to whether the read data are correct or not. This invention improves the stability of read operation of the SPI NOR flash memory and has advantages of simple circuit and flexible adjustment.

The invention relates to a gun barrel strength testing device which has the key point of consisting of a box body assembly, a firing assembly, a base assembly, a locking assembly and a driving rod assembly. A firing assembly interface is formed at the top end of the box body assembly; a base assembly interface is formed at the lower end of the box body assembly; a driving rod assembly interface isformed at the left side of the box body assembly; a firing assembly maim body is a base matched with a box body, a firing pin seat and a firing pin are arranged inside the firing assembly maim body,and a locking nut, a firing pin cover, a cushion block and a gun barrel buckle are mounted outside the firing assembly maim body; the base assembly is formed by connecting a lower base and a supporting seat, and a gun barrel seat is arranged on the base assembly; the locking assembly is supplied with supporting by an eccentric shaft seat, and a driving wheel is arranged on the locking assembly forcontrolling a pair of eccentric shafts to complete rotation to lift up the base assembly to lock a gun barrel; the driving rod assembly is formed by carrying out matching connection on a driving rodand a driving handle, is integrally inserted into the box body assembly and is used for driving the locking assembly to implement the locking action. The gun barrel strength testing device is ingenious in structure and convenient to operate; when a gun barrel strength testing effect is ensured, safety and working efficiency of testing can be improved, and testing cost is reduced.

The invention discloses a compensating device for an elevator driven by double main engines. The compensating device comprises at least one car platform pulley, a pulley block and a connecting mechanism; the car platform pulley is fixedly arranged at the bottom of an elevator lift car; the pulley block comprises a first pulley block body and a second pulley block body which are arranged in a liftway pit; and one end of the connecting mechanism is fixedly connected with a first counter-weight bottom of the elevator, and the other end of the connecting mechanism vertically bypasses the first pulley block body, the car platform pulley and the second pulley block body sequentially and finally is fixedly connected to a second counter-weight bottom of the elevator. By means of the compensating device, the problem that the compensating device is prone to being damaged when the double main engines of the elevator operate asynchronously is solved, and the problem that the single main engine of the elevator cannot be compensated is also solved.

The invention discloses a metal sandwich plate laser welding mechanical type pressurizing device and a use method. The metal sandwich plate laser welding mechanical type pressurizing device comprisesa mechanical arm, a laser head clamping part, a laser head, a laser beam, a horizontal bending clamping part and a pressurizing mechanism. A pressurizing rolling wheel comprises a traveling wheel, a wheel seat and a baffle. The metal sandwich plate laser welding mechanical type pressurizing device and the use method have the beneficial effects that adjustment is simple and flexible, use is convenient, cost is low, work is stable and reliable, and service life is long; additional mechanical pressure and laser welding can be conducted synchronously, the magnitude and acting position of the additional mechanical pressure can be selected precisely according to welding parameters and plate thickness, the effect that the additional mechanical pressure is loaded to a laser beam acting position area is ensured, gaps are restrained effectively, and welding quality is ensured, the welding efficiency of a metal sandwich plate is improved; and the metal sandwich plate laser welding mechanical typepressurizing device and a fiber laser driven by a six-axis linkage robot can be operated integrally in a linkage mode, and the advantages such as convenient maintenance and low cost are achieved.

The invention discloses a workbench for machining of hardware pipes. The workbench comprises a supporting frame, a working table is arranged on the supporting frame and slidably connected with U-shaped seats in symmetrical distribution, and positioning rollers are arranged on the U-shaped seats. A positioning plate is in slide connection with the lateral side of the working table and limits movement of the U-shaped seats. A fixing shaft is arranged at the center of a fixing ring which is arranged on the working table, a pushing mechanism is arranged on one side of the fixing ring and connectedwith a slide sleeve, the slide sleeve slides on the fixing shaft, and fixing grooves are distributed around the fixing ring. Swing rods are movably connected between the fixing grooves and the slidesleeve, one end of each swing rod is connected with a transmission rod, pressure rods are movably connected with the fixing ring, spring rods are arranged between the pressure rods and the transmission rods, and a clamping seat is movably connected to one end of each pressure rod. The workbench is novel in structure, simple and flexible in adjustment, applicable to machining of the hardware pipesin different diameters, wide in application range and reliable in clamping, and machining quality is improved.

The invention discloses a portable oil cooler. The portable oil cooler comprises a first clamping plate, a support plate, guide rods, a second clamping plate, a pressing mechanism, a protective cover and cooler plate sheets. The first clamping plate and the support plate are cuboids and have the same specification; the first clamping plate is parallel to the support plate; the guide rods are symmetrically arranged at the top end center and the bottom end center of one surface of the first clamping plate in the thickness direction; the support plate is detachably arranged at the ends, away from the first clamping plate, of the guide rods in the length direction; the ends, away from the first clamping plate in the length direction, of the two guide rods are detachably connected with the top end center and the bottom end center of one surface of the support plate correspondingly; the second clamping plate is movably arranged between the first clamping plate and the support plate; the cooler plate sheets are detachably arranged between the first clamping plate and the second clamping plate; and the multiple cooler plate sheets are uniformly arranged in the length direction of the guide rods. The portable oil cooler is simple, convenient, convenient to mount and dismount, stable and long in service life.