33results about How to "Respond directly" patented technology

An ultrasonic welding tool with fluid drive, wherein the ultrasonic welding tool (2) is connected by way of a piston rod (3) to a working piston (5) which is guided in a housing (4) of the drive, wherein the working piston (5) sub-divides the drive housing (4) into a primary chamber (6) and a secondary chamber (7), wherein each of the chambers is able to communicate by way of a valve (16) with a fluidized pressure source, wherein at least one sensor (18, 19) is provided for detecting a physical property of the fluid drive which sensor emits an actual signal which is in relationship with the physical property detected and which via a control circuit controls the two valves in such a way that the physical property detected follows a reference value profile.

The invention discloses an alkyl trifluoromethyl thioether compound and a preparation method thereof. The alkyl trifluoromethyl thioether compound comprises the following step: under protection of inertial gas, carrying out trifluoromethylthiolation reaction on an alkyl primer and a trifluoromethylthio reagent to obtain the alkyl trifluoromethyl thioether compound. The trifluoromethylthio reagent comprises the following components: a metal salt containing trifluoromethylthio, an oxidizing agent and a nitrile solvent. The trifluoromethylthio reagent disclosed by the invention is low in price and easily available. When the trifluoromethylthio reagent is used for synthesizing the alkyl trifluoromethyl thioether compound, the trifluoromethylthio can be quickly and conveniently introduced to the alkyl primer which is not pre-functionalized. Moreover, the synthetic method is wide in range of application of the primer, mild in reaction condition, high in reaction efficiency, mostly direct in reaction, simple to operate, low in cost and more suitable for industrial production.

The invention relates to the technical field of machine room environment management, in particular to a machine room temperature and humidity adjusting system. The machine room temperature and humidity adjusting system comprises an air conditioner, a plurality of ventilation pipelines, valves, a control assembly and an air diffuser, wherein the valves are used for controlling the opening / closing of the ventilation pipelines; the control assembly is used for controlling the opening and closing of each valve in order that the ventilation pipelines delivery air simultaneously; the air diffuser comprises a mounting frame, purlins and a plurality of blade groups which are arranged between adjacent two purlins respectively; the blade groups comprise a plurality of guide blades which are rotationally assembled with the purlins; and the driving assembly is assembled with the guide blades, and is used for driving the guide blades to rotate. Firstly, through the arrangement of the ventilation pipelines, output air of the air conditioner can be dispersed and uniformly conveyed to different positions in a machine room, and then the guide blades are driven to rotate through the driving assembly, so that the angles of the guide blades can be changed; the output air of the air conditioner can be dispersed to different directions through the diffuser; and the temperature and humidity changes in the machine room are more uniform and unified.

The invention relates to a rear wheel suspension (1) of a helical spring with an inclined line of force action, comprising a spring (7), preferably a helical spring (7), having a spring geometrical center line and a force Line of action (9), helical spring (7) is supported in the upper spring seat and the lower spring seat. In order to reduce the forces exerted on the structural elements of the rear wheel suspension (1), the spring (7) is implemented and arranged in such a way that the line of action (9) of its force when deflected inwards Different degrees of inclination when deflecting outwards.

The invention discloses a secondary / tertiary amide compound and a synthesis method thereof. Adding aryl silane and amine compounds, catalysts and additives to a solvent, and then introducing CO under a certain pressure for carbonylation reaction, and then separating and purifying the compound. This gives secondary / tertiary amides. The method for preparing secondary / tertiary amides by carbonylation reaction of the present invention is simple and efficient, has direct reaction, high atom economy, and wide and stable substrate sources. The reaction system of the invention does not require inert gas protection, and the conditions are mild. Under optimized reaction conditions, the target product is easy to separate, and the yield is as high as 92%.

The invention relates to the technical field of machine room environment management, in particular to a machine room temperature and humidity regulation system. The system comprises an air conditioner, n air outlet pipes, valves and a control component, wherein n is greater than or equal to 2, and the length of the (n-1)th pipe is greater than that of the (n)th pipe; the valves are used for controlling opening and closing of the air outlet pipes, and the valve on the (n)th pipe is the (n)th valve; and the control component comprises a temperature and humidity sensor, a first controller and a plurality of switching components, wherein the first controller is used for controlling the first valve to be switched on or off, and the plurality of switching components are arranged on predeterminedpositions of the (n-1)th pipe respectively and are used for controlling the (n)th valve to be switched on when air exists at the predetermined positions. According to the system, the multiple air outlet pipes are arranged at an air outlet of the air conditioner, one valve is arranged separately on each air outlet pipe, and then on / off of each valve is controlled through the control component so that each air outlet pipe can discharge air simultaneously. In this way, discharged air of the air conditioner can be distributed everywhere in a machine room more uniformly, and therefore uniform regulation of temperature and humidity everywhere in the machine room is benefited.

A method for ascertaining a load capacitance of a data bus includes reading in and a determining task. In the reading in, a scaling factor of a synchronization pulse of the data bus is read in. In the determining, the load capacitance is determined using the scaling factor and a processing rule.

The invention relates to a dynamic testing method of a vehicle fuel cell engine in a power assembly circuit, comprising: S1, establishing a power system model for the vehicle; S2, using the working condition sequence as the input of the model; S3, combining the real-time computer with the fuel The battery engine, electronic load and data acquisition system are connected for data communication, and the electronic load and data acquisition system are respectively connected to the fuel cell engine; S4, arrange the model and working condition sequence in the real-time computer; S5, load the working condition, and run the real-time computer The model in is used to complete the working cycle; S6 is used to evaluate the dynamic performance of the fuel cell engine based on the collected data. Compared with the prior art, the present invention loads the vehicle power system model on the test platform, and forms a closed loop with the actual fuel cell engine system of the measured object through the connection between the sensor and the electronic load, and can realize the acquisition of the fuel cell engine system on the test platform. The purpose of the performance of the engine in the road test.

A shaft guide bearing for coupling a rear axle to a vehicle body of a motor vehicle, comprising: an outer sleeve (7) for coupling to the rear axle; an inner part (8) for stationary arrangement on the vehicle body , the inner part is inserted into the outer sleeve (7); and the rubber between the outer sleeve (7) and the inner part (8) is used to swingably support the outer sleeve (7) on the inner part (8) body (9). The inner part (8) has a snap washer (14) which is axially spaced from the axial end section (11) of the outer sleeve (7). The rubber body (9) is firmly connected with the stop washer (14). As a result, no relative movement occurs between the rubber body and stationary parts on the body side during elastic movement of the axle during travel, so that noise and wear are avoided.

The invention discloses a benzothiophene-pyrone type compound and a synthesis method thereof. The synthesis method comprises the following steps: firstly, weighing 4-thiophenyl pyran-2-ketone as a rawmaterial; mixing the weighed raw material with a solvent, and adding a catalyst and an oxidant to carry out a heating reaction; separating and purifying the obtained reaction product to obtain the benzothiophene-pyrone type compound. Defects that present synthesis reactions have harsh conditions, a substrate is hard to prepare, the reaction yield is low, and the like, can be avoided, reaction steps are simplified, and the reaction yield is increased.

The invention discloses an antimagnetic three-dimensional gear platform, which comprises a first housing, a second housing and a third housing, and the device passes through the first worm, the second worm, the third worm and the first worm, the second worm and the The cooperation of the third turbine, through the mutual meshing between the turbine and the worm, makes the response between the devices more direct, and at the same time, the single adjustment stroke is smaller, so that the adjustment accuracy of the device is greater, avoiding the existing pan / tilt In the mediation of such equipment, it is easy to have the problem that the angle is cheap and cannot meet the requirements of high precision. At the same time, it also avoids the phenomenon of idling and unsmooth use. At the same time, the first shell, the second shell and the third shell of the device The material is copper, which will not generate or be affected by the magnetic field during use, thereby avoiding the problem of affecting the use of some instruments and improving the accuracy of the device.

The invention discloses a computer Chinese character input method and keyboard, using 26 alphabets as codes; dividing etymons into same-tone class, pictographic class, resolution class, and joint class to be defined on corresponding code keys, where the codes of the five basic strokes are H (horizontal stroke), I (vertical stroke), P (left- falling stroke), D (dot stroke) and E (turning stroke); dividing Chinese characters into etymon characters and out-key characters for coding, respectively, where the etymon characters are usually one-code characters and directly defined on corresponding keys and the out-key characters are split according to the rules of big taking priority, visual priority, considering sequence, noticing joint, etc., and then coded. For a few Chinese characters that need to be identified due to the repeated codes, the invention adds identification code. As inputting Chinese characters, the invention is direct to respond, and easy to identify, low-repeated code ratio, high-inputting efficiency and suitable to spread by being taught at classes in middle school and primary school.

The invention concerns a compressor unit in a portable compressed air source comprising a piston compressor driven by an electric motor, the piston compressor comprising a piston which is moved in oscillating manner in a cylinder via a slider crank mechanism and the cylinder being closed on the output side by a cylinder head with an outlet valve, the compressor unit comprising an electric pressure switch which is connected to the pressure in the compression chamber and it being possible for the electric motor to be switched on and off via the pressure switch.

The embodiment of the present invention proposes an image processing method and device, which relate to the field of image processing. The method includes obtaining the target gray gradient value of the target point and the brightness parameter of the area where the target point is located; according to the brightness parameter and the preset gradient Threshold to obtain the target gradient threshold; when the target gray gradient value is greater than or equal to the target gradient threshold, the target point is taken as the ideal edge point; according to all ideal edge points, the image edge of the image to be processed is obtained. By changing the gray gradient threshold according to the light and dark conditions of different areas, the edge image obtained by edge detection in the darker area can be more complete, so that the original edge of the darker area in the original image can be clearly and directly reflected.

The invention discloses an alkyl trifluoromethyl sulfide compound and a preparation method thereof. The method comprises the following steps: under the protection of an inert gas, the alkyl substrate and a trifluoromethylthio reagent are subjected to a trifluoromethylthiolation reaction; the trifluoromethylthio reagent includes the following components: Fluoromethylthio metal salts, oxidizing agents and nitrile solvents. The trifluoromethylthio reagent of the present invention is cheap and easy to obtain, and when used to synthesize alkyl trifluoromethyl sulfide compounds, it can quickly and conveniently introduce trifluoromethylthio to an alkyl substrate without pre-functionalization, and the synthesis The method has a wide range of substrates, mild reaction conditions, high reaction efficiency, the most direct reaction, simple operation, low cost, and is more suitable for industrial production.

The invention relates to fault positioning equipment, system and method for a cable joint, and relates to the technical field of power monitoring. The fault positioning equipment comprises a metal wire and monitoring equipment, and the two ends of the metal wire are connected with the monitoring equipment; the metal wire is used for being attached to the side face of the cable joint in a surrounding mode and is broken when the cable joint breaks down. The metal wire is broken after the cable joint breaks down, when the monitoring equipment detects that the metal wire is in a broken state, set fault information is output, and the fault information comprises a fault result and information corresponding to the current monitoring equipment, namely, the position of the cable joint with the fault is directly positioned. According to the embodiment of the invention, whether the cable joint breaks down or not is determined by monitoring whether the metal wire wrapping the side face of the cable joint is broken or not, the fault position can be rapidly and reliably determined, and effective monitoring of the cable joint is realized.