2826results about How to "Flexible installation" patented technology

This invention relates to a frame for mounting a solar panel where a tubular frame member has a generally triangular cross section. The frame member includes a riser element, a span element and a truss element. 5 The frame meets the IEC 61215, Second edition standard for wind and snow loadings without significantly increasing the weight of the solar module compared to conventional frames with an open channel. This invention also relates to an array of solar modules mounted on a structure as well as a method of mounting the frame with a connection channel for slidably accepting an anchor.

The invention relates to a foam dust removal system used for coal mine underground mining, mainly comprising a fixed quantity addition pump, a foaming agent reservoir, a compressed air pipeline, a clean water pipeline, a foam generator, a foam spray head and so on. By utilization of the prior water pipe in a dust removal place, foaming agents are added into the water pipe by the small-flow fixed quantity addition pump; mixed liquid and compressed air which contain the foaming agents pass through the foam generator simultaneously, and a great amount of foams are generated, conveyed to the foam spray head through a hose, ejected from the foam spray head in the form of an umbrella and cover dust producing points. The invention is particularly suitable for the coal mine underground mining work surface, traveling belt transfer points, a tunnel excavated section or other dust producing points with small space and effectively controls the dust producing sources. The foam dust removal system used has the advantages of simple structure, convenient operation, capability of operating continuously, high dust removal efficiency, no electric elements and safety and reliability.

The invention discloses a RFID (radio frequency identification devices)-assisted subway train position detecting and accurate parking system which can be used for timely correcting the position detection result of the existing rail transit train. The system comprises a vehicle-mounted reader-writer, a radio frequency antenna, a plurality of ground electronic labels, a train information processing unit and a background main system, wherein the vehicle-mounted reader-writer is arranged at the head of a subway train and is connected with the train information processing unit; the radio frequency antenna is arranged at the center of the bottom at the head of the train and is arranged right above the center line of a track; and the ground electronic labels with different spacing distances are arranged on the center line of the track. After the invention is used, the real-time detection of the subway train position and the accurate parking of the train can be realized, the length of a station can be effectively shortened due to an accurate train parking technology, therefore, the investment cost can be saved, the system can be furthest matched with a screen door of a station, so as to convenient for a passenger to get on and off, and meet the trip comfortableness requirement of the passenger.

The invention discloses a multi-target tracking and positioning system for an indoor parking lot, and belongs to the field of multi-target tracking and positioning. The system comprises a UWB positioning system and a vehicle body positioning device, the UWB positioning system comprises a wireless synchronous controller and a wireless positioning base station, and the vehicle body positioning device comprises a vehicle body positioning label, an inertia navigation module, a wireless module and a portable power source module; the data output by the inertia navigation module are sent to an upper computer system through the wireless module, meanwhile, the vehicle body positioning label sends a signal to the wireless positioning base station, the wireless positioning base station transmits the data to the wireless synchronous controller, the wireless synchronous controller sends the signal to an upper computer, and the upper computer system obtains target position data and posture data, determines specific vehicle body position and posture information through fusion operation and sends the information to a mobile client. The combined positioning system breaks through a positioning mode limited by environments in the prior art, and improvement in the aspects of spatiality, real-time performance, quantitative performance and precision is achieved.

Improved selectively rotatable multipositionable step attachment for a vehicle platform and the like for not only facilitating safe user access to the platform, for loading and unloading same, when the step attachment is in an operative position, but also when it is in a non operative or stowage position for facilitating additional use of the platform such as for towing another platform or for facilitating attachment of an auxiliary platform to the vehicle platform. The step attachment is generally made up of a support bar, a rotatable step tread of L-shaped configuration, a multiappatured index plate concentrically affixed to the outer end of either the support bar or the rotatable step tread, and a device to fasten the step assembly to the vehicle platform. Depending on the various requirements of the step attachment when being connected to a vehicle platform and the like, various mounting arrangements are provided.

An intelligent elevator controlling method and device based on distributed multi-channel CAN bus is disclosed. Said device is composed of a cluster operating controller, single-elevator controllers communiated with said cluster operating controller via CAN bus, and the cage controllers, floor calling controllers, LCD controllers and speech floor reporting controllers respectively for each of elevators. Its control method is also disclosed.

This invention relates to coal glue layer total automatic measurement device, which comprises computer, input and output data card, automatic heating temperature control part, smoke volume measurement, probe upper and down drive structures, probe rotation part and pressure automatic measurement, wherein, its uses volume measurement part to judge coal sample volume at peak or trough and to start probe drive structure for coal layer measurement through line step motor impulse sequence to determine coal layer upper and down layer position then uses OLS to match upper and down list layer change curve to get maximum thickness values.

The invention discloses a road abnormal parking early warning method based on vehicle to vehicle communication and an implementation system thereof, the early warning method includes: using a positioning module to obtain the position information of the moving vehicle; when the vehicle parks for abnormal state, using a wireless communication module for sending abnormal warning message; receiving the abnormal warning message through the wireless communication module by the vehicle moving normally; early adjusting after receiving the abnormal warning voice prompt and text display information by the vehicle moving normally, steering clear of the vehicle having abnormal state. The road abnormal parking early warning system comprises a main controller and a positioning module connected to the main controller for obtaining the position information of the moving vehicle, the wireless communication module used for sending or receiving the abnormal warning message, the voice prompt and voice broadcast module used for the abnormal warning message, and the display module used for displaying the text for the abnormal warning message. The vehicle can send the warning message while parking for abnormal state for reminding the nearby vehicles for adjusting early.

The invention discloses a split air-conditioner indoor unit, which comprises an upper shell arranged on the body. A heat exchanger, a cross flow wind wheel and an air duct for accommodating the heat exchanger and the cross flow wind wheel are arranged in the upper shell; the upper shell is provided with an air inlet and an air outlet which are communicated with the air duct, the air duct comprises a left air duct and a right air duct, the front of the upper shell is provided with a front panel, and a middle partition plate is arranged in the upper shell; the left air duct is encircled by the upper shell, the front panel, the middle partition plate and a left volute of a left cross flow wind wheel together; a left heat exchanger, the left cross flow wind wheel and a left volute tongue of the left cross flow wind wheel are arranged in the left air duct; the right air duct is encircled by the upper shell, the front panel, the middle partition plate and a right volute of a right cross flow wind wheel together; and a right heat exchanger, the right cross flow wind wheel and a right volute tongue of the right cross flow wind wheel are arranged in the right air duct. The split air-conditioner indoor unit has the characteristics of simple and reasonable structure, small integral volume, high energy efficiency ratio, flexible installation mode and wide application range.

The invention discloses a direct forming manufacturing method of a metal-based multilayer/gradient composite board and a process unit of the direct forming manufacturing method. Scale, corrosion materials and other impurities on the joint surface of a base board are removed through chemical cleaning, the cleaned surface is subjected to gradient power electromagnetic induction heating or laser bombardment surface treatment, all phases near the joint surface are fully dissolved, a solid solution is enhanced, toughness and corrosion resistance are improved, the surface stress of the board is eliminated, and surface laser treatment is conducted to improve the binding property of a composite layer; raw materials of the composite layer are added and injected through powder laying, a high-energy heat source is adopted for irradiation or induction heating to melt powder, metallurgical bonding is formed between the composite layer and a base, and control over the final shape of a cold/hot-rolled board is conducted. The obtained multilayer/gradient composite board is compact in surface structure, bonding between the composite layer and the base and between layers is good, and the interlayer bonding performance of the composite board is remarkably improved. The process is high in flexibility, and the production period of the metal-based composite board can be greatly shortened after the process is combined with an existing continuous casting technology.

The invention discloses a locating and mounting method for H-shaped steel girder butting joints. The locating and mounting method specifically comprises the following steps: pre-assembling connection plates on two sides of a web plate of a steel girder I; hoisting and conveying the steel girder I to a steel girder II for butting; providing a locating and mounting device; mounting an adjustment mechanism; mounting a clamping mechanism; aligning bolt holes in the connection plates and the steel girder II; inserting high-strength bolts into the bolt holes in the connection plates and the web plates of the two steel girders to realize connection between the connection plates and the web plates of the two steel girders; removing the locating and mounting device, arranging a top plate on the surfaces of flanges of the steel girder I and the steel girder II, correspondingly forming bolt holes in the top plate and the flanges of the steel girder I and the steel girder II, and connecting the top plate to the steel girder I and the steel girder II through high-strength bolts. The locating and mounting method has the benefits that by the adoption of the adjustment structure and the clamping mechanism which are combined, the transverse staggering and the longitudinal staggering of the bolt holes in the connection plates and the web plates of the steel girders can be eliminated, so that the bolt holes can be quickly aligned to realize temporary fixing for butting of two H-shaped steel girder butting joints, and preparation can be made for the subsequent connection and mounting procedures.

The invention discloses a household non-contact sleeping monitoring device and a household non-contact sleeping monitoring method. The device comprises a transmitting antenna, a receiving antenna, a non-contact biological radar front end and a DSP (Digital Signal Processor), wherein the non-contact biological radar front end is used for transmitting a pulse sequence signal to the chest wall of a sleeper in an oriented way through the transmitting antenna; the receiving antenna is used for picking up a reflected echoed signal including breathing information of the sleeper; the reflected echoed signal is output to the DSP through relevant detection and variable delay processing; and the DSP is used for performing steps such as preprocessing, breathing characteristic vector extraction and cluster analysis on a breathing signal of the sleeper to realize automatic recognition and control of a breathing mode. According to the device and the method, a sound and light alarm can be made on the premise of not influencing normal sleeping of a human body, so that the sleeper who stops breathing temporarily is forced to wake up.

The invention relates to a static mixed rotational flow separation and extraction process of regenerative base oil N-methyl pyrrolidone, comprising the following steps in sequence: (a) carrying out sedimentation of used oil and removing moisture and solid impurities; (b) filtering by a filter, and removing tiny solid particles and colloids; (c) adding sodium hydroxide solution and flocculating; (d) removing floccules and residual sodium hydroxide solution; (e) carrying out reduced pressure distillation by a distiller, and collecting distillate oil; (f) mixing the distillate oil with organic solvent by a static mixer on line; (g) separating out raffinate oil and raffinate oil containing organic solvent from mixed liquor by a swirler; (h) carrying out the reduced pressure distillation on the raffinate oil by a climbing film evaporator, and removing the organic solvent in the raffinate oil; and (i) carrying out the reduced pressure distillation by a molecule (short range) distiller, removing residual organic solvent and peculiar smell gas, and obtaining the regenerative base oil. The separation and extraction process provided by the invention has the advantages of conciseness in procedure, safety in operation, less equipment investment, high product yield, energy conservation, environmental friendliness and the like.

The invention provides a step force generating device for dynamic calibration of a force sensor, wherein the step force generating device is suitable for dynamic calibration experiment of a force sensor having an irregular tool structure of a load terminal or needing to carry out loading of a plurality of directive forces/torques. The step force generating device comprises a calibration table, a directional loading assembly, a steel force transmission wire, a force source, a pulley suspension system, an impact shearing device and a step edge detection circuit. A stable load is applied to a force sensor by using the directional loading assembly based on steel wire force transmission; and the steel force transmission wire is impacted and sheared suddenly to carry out step unloading on the force sensor to realize negative step excitation on the force sensor. The impact shearing device uses a high-speed and large-impact-force impact cylinder as an impact execution mechanism to extend a dynamic calibration frequency and a load range of the force sensor. With cooperation of an impact gasket block, the disturbance during the impact shearing process can be suppressed, so that the dynamic calibration precision can be improved. The step edge detection circuit obtains step edge time based on starting steel force transmission wire contact time by a detection impact head and a steel force transmission wire shearing time.

The invention discloses a method for a computer to identify a vehicle type by a video image. The method is characterized by comprising the following steps of: (1), acquiring a video image by a computer and extracting a target key frame from the video image, exacting a target region to be identified through wiping out background, and pre-processing the video image; (2), carrying out feature extraction on the pre-processed image, selecting an Hu geometric moment invariant in the image shape characteristic as a vehicle characteristic parameter, and calculating the shape characteristic of the target region; and (3), carrying out sample training of all vehicle types through a machine learning method, and carrying out classified predication on the target region to be identified after the sample training is finished so as to identify the vehicle type. The method can semi-automatically classify the vehicle types, so that the classifying accuracy is improved as much as possible.