127results about How to "Avoid problems such as damage" patented technology

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and can solve the problem that an optical sensor cannot perform sensing due tolow light transmittance at the position, corresponding to the optical sensor, in the display panel. In the display panel, a pixel region comprises a first pixel group and a second pixel group which are continuous in the row direction and the column direction and are periodically arranged; each of the first pixel group and the second pixel group comprises at least two sub-pixels which are continuously arranged in the row direction and have different colors; a light-transmitting area comprises third pixel groups which are arranged at intervals in the row direction and the column direction; eachof the third pixel groups comprises at least three sub-pixels which are arranged in the row direction and have different colors; the difference value between the row number of any sub-pixel in the third pixel group and the row number of any sub-pixel in the pixel region, which is located in the same column as the sub-pixel and has the same color as the sub-pixel, is an integral multiple of M, wherein M is the difference value of the row numbers of every two adjacent sub-pixels of the color in the pixel area in the column direction.

The invention discloses a preparation method of a concrete surface skeleton exposing agent for a prefabricated part, and the preparation method comprises the following steps: (1) preparation of a polymer/phyllosilicate composite colloidal solution, namely under high-speed dispersion, uniformly dispersing phyllosilicate clay X1 and a water-soluble high-molecular polymer in water; (2) preparation ofan organic-inorganic composite retarding liquid, namely under high-speed dispersion, adding an organic-inorganic composite retarder composition into the polymer/layered silicate composite colloidal solution, and dispersing until no precipitate exists in a homogeneous phase; and (3) skeleton exposing agent forming, namely under the action of high-speed dispersion, sequentially adding a functionalauxiliary agent, a pigment, a filler and a slow-release long-acting preservative into the organic-inorganic composite retarding liquid, and uniformly mixing and dispersing. The concrete surface skeleton exposing agent for the prefabricated part has the multiple advantages of ecological environmental protection, efficient retarding, durability, stability, easiness in facade construction and the like, industrial byproduct gypsum is used as a main retarding component, and secondary utilization of byproducts is realized.

The invention discloses a bionic three-dimensional fluid shear stress cell culture device and a shear stress loading method thereof. The bionic three-dimensional fluid shear stress cell culture device is characterized by consisting of a peristaltic pump (1), a perfusion small chamber (2), a 1-to-8 switcher (3), an air filter membrane (4), a waste liquid bottle (5), a straight-through valve (6), aculture medium (7), a liquid storage bottle (8) and a processing silicon tube (9), wherein one end of the perfusion small chamber is connected with the peristaltic pump (1), and the other end of the perfusion small chamber is connected with the waste liquid bottle (5) through the 1-to-8 switcher (3); the waste liquid bottle is connected with the liquid storage bottle (8) through the straight-through valve (6); and the liquid storage bottle (8) is connected with the peristaltic pump (1) through the 1-to-8 switcher (3).

The invention discloses a 6-17mm-thick polyvinyl chloride foamed poster board and a preparation method thereof, belonging to the technical field of polyvinyl chloride boards. The poster board solves the problem of incompatibility between low density and high hardness in the prior art. The poster board is prepared from 60-80 parts of polyvinyl chloride SG8 resin, 30-40 parts of light calcium carbonate, 30-40 parts of poster moldboard reclaimed material, 13-14 parts of foaming regulator 903, 2.4-3.2 parts of lead salt composite stabilizer, 0.6-0.7 part of internal lubricant ZB-60, 0.4-0.5 part of polyethylene wax, 0.1-0.3 part of AP, 0.2-0.3 part of plasticizer OA3, 0.9-1.0 part of heat-release AC (azodicarbonamide) foaming agent, 1.3-1.8 parts of heat-absorption Zhongkai c-2 foaming agent and 0.07 part of blue light whitener. The preparation method comprises the following steps: mixing, plastifying and foaming, and extruding to obtain the finished product. The density of the polyvinyl chloride foamed poster board is 0.3-0.4 g/cm<3>, and the thickness is 6-17mm.

The invention discloses an engine balance shaft oil pressure releasing structure. According to the structure, a right shaft neck of a balance shaft (1) is supported on a first bearing (3) of a right crank case (2), a left shaft neck of the balance shaft (1) is supported on a second bearing (5) of a left crank case (4), the right half part of the balance shaft (1) is provided with a horizontal oilhole (6a) and a vertical oil hole (6b) which are communicated with each other, and an oil drainage channel (6) composed of the horizontal oil hole (6a) and the vertical oil hole (6b) can be led to the interior of the right crank case (2) through the first bearing (3). The structure can be used for avoiding the problems of loosened bearing and damaged balance shaft mechanism and the like caused bytoo high oil pressure of the first bearing, thus the working stability of the balance shaft can be obviously improved.

The invention discloses an efficient environment-friendly drying agent. The efficient environment-friendly drying agent is prepared from the following materials in parts by mass: 25-29 parts of active carbon, 15-17 parts of anhydrous magnesium chloride, 8-12 parts of zinc oxide, 15-18 parts of natural zeolite, 9-15 parts of lime, 6-8 parts of bentonite and 7-12 parts of aluminium hydroxide. The efficient environment-friendly drying agent is high in adsorption capability, is good in drying effect, can effectively prevent the problems of product damage caused by moisture and the like, is wide in applicable range, is low in cost, and is good in economy.

The invention provides a circuit for preventing overshoot of output voltage of a low dropout linear regulator (LDO), the LDO comprises a power tube, and the circuit comprises an overshoot prevention unit used for outputting slowly reduced control voltage; the circuit comprises a control unit, and the input end of the control unit is connected with the output end of the overshoot prevention unit. Moreover, the control voltage is fed back to the grid electrode of the power tube through the control unit, so that the output voltage of the low dropout regulator is slowly increased. The total volumeof the overshoot prevention unit and the control unit is far smaller than that of a capacitor connected to the output end of the LDO in parallel in the prior art, and therefore the design requirements for high integration degree and small size of an integrated circuit are met; moreover, active adjustment is carried out from the control end of the LDO, so that the output voltage overshoot of the LDO is effectively prevented, and the problems of component damage and the like possibly caused by the output voltage overshoot are avoided.

The invention provides a dynamic balance structure. The dynamic balance structure comprises a clamping component, a slide groove and at least one counterweight component, wherein the clamping component is arranged on a main shaft of a working mother machine; the main shaft defines a middle shaft; the clamping component is provided with an outer ring surface surrounding the middle shaft; the slide groove is arranged around the outer ring surface of the clamping component; at least one flange is arranged on the inner side wall of the slide groove in a protruding way; the counterweight component comprises an inner slide block and a compacting component; the inner slide block is movably arranged in the slide groove; the compacting component penetrates through the inner slide block and can compact the inner slide block towards the flange, so that the inner slide block cannot move along the slide groove. By the dynamic balance structure provided by the invention, the working mother machine can be prevented from being damaged by over high load of a motor without additionally adding weight to the working mother machine.

The invention relates to the technical field of home decoration, in particular to a smart window and a control method thereof. The smart window comprises a controller, an indoor detection device, an outdoor detection device and an opening/closing device. Compared with an existing window, the smart window can automatically close a sash according to the outdoor wind speed and rainfall conditions soas to solve the problem of damage to the window sash and indoor objects caused by sudden wind-blowing and rain when people are not at home, and safety is improved under the condition that the indoor air ventilation is good; meanwhile, the problem that sleep of residents is affected due to the fact that the people need to get up and close the window under the condition of wind-blowing and rain-slanting in the middle of the night is solved, the sash can be automatically opened or closed according to the indoor temperature, the problem that the people need to get up and open the window due to thefact that the indoor temperature is increased when an indoor air conditioner is automatically turned off is solved, the unnecessary forced wake-up number of times in the middle of the night is reduced, and quality of life and quality of sleep of the people are greatly improved.

The invention discloses an injection process of a chemical heat generating system in a thick oil storage layer; a cold production mode is used for injecting as follows: heat generating agent slug injection, separation liquid slug injection, trigger agent slug injection, replacement liquid slug injection, well closing and well opening production; a steam injection heat production mode is used for injecting as follows: steam preheating slug injection, heat generating agent slug injection, separation liquid slug injection, trigger agent slug injection, replacement liquid slug injection, well braising and well opening production; the process is simple in steps, reasonable in design, convenient to operate, safe and reliable in injection process and excellent in use effect, and can simply finish the injection process of the chemical heat generating system in the thick oil storage layer; moreover, the invention further discloses injection equipment of the chemical heat generating system in the thick oil storage layer; the equipment comprises four liquid mixing devices and one liquid injection pipe connected with a shaft of a target well; a plunger pump, a pressure detecting unit and a fifth one-way valve are mounted on the liquid injection pipe; and the equipment is simple in structure, reasonable in design, convenient for pipeline connection, simple in use and operation and excellent in use effect.

The invention relates to a shearing device and shearing equipment. The invention provides a shearing device and shearing equipment including the shearing device. The shearing device comprises a support device, a joining device for connecting the support device with a driving source, a linking device arranged in the support device and operatively connected with the joining device, and a shearing part supported on the support device and operatively connected with the linking device, wherein the linking device comprises a first linking component operatively connected with the joining device, and two second connecting components for operatively connecting the first connecting component with the shearing part; the lower parts of the two second connecting components are each provided with a notch; and the second connecting components are connected to the first connecting component through the notches. The shearing device can prevent eccentric loading, can smoothly finish the shearing, and prevents the damage.

The disclosed chip is composed of substrate and protection layer. Weld pads are collocated on the substrate, and the protection layer is collocated on the substrate. The protection layer possesses openings and notches. Openings expose weld pads. Blocking cement body can be filled to the notches in chip in order to avoid peeling away between blocking cement body and chip.

The invention relates to an over-temperature protection device for waste gas treatment. A concentration rotating wheel of the over-temperature protection device is divided into an adsorption area, a cooling area and a desorption area, wherein a gas inlet end of a concentrated adsorption area is connected with a waste gas pipeline; a second gas inlet pipeline is connected with a gas inlet end of the cooling area and a gas inlet end of a waste gas inlet pipeline; a gas exhaust end of the cooling area is connected with a gas inlet end of a heat source device; a gas exhaust end of the heat source device is connected with a gas inlet end of the desorption are, and a gas exhaust end of the desorption area is connected with a gas inlet end of a heat exchanger; the heat exchanger is provided with a row of gas exhaust by-pass vent pipes which communicate the gas inlet end and a gas exhaust end of the heat exchanger to form a loop; a flow direction regulating valve is arranged between the gas exhaust end of the desorption and the gas inlet end of the heat exchanger to control the flow direction of waste gas; one end of a first exhaust fan is connected with the gas exhaust end of the adsorption area, while the other end of the first exhaust fan is connected with a chimney; and one end of a second exhaust fan is arranged on a pipeline formed after the heat exchanger and the gas exhaust by-pass vent pipes are connected, while the other end of the second exhaust fan is connected with a combustion furnace.

The invention discloses a secondary locking and delayed unlocking structure. The secondary locking and delayed unlocking structure comprises a socket shell, a plug shell and a secondary locking sliding block, wherein the socket shell is detachably connected with the plug shell, the plug shell is detachably connected with the secondary locking sliding block. The secondary locking and delayed unlocking structure provided by the invention has the advantages that a separation process of a plug and a socket of a high voltage connector is split into three steps, separation time difference of the power connector assembly and a signal connector assembly is prolonged, the power connector assembly is guaranteed to be disconnected in advance when the power connector assembly is completely separated,and the problems that the arc discharge phenomenon can be easily caused as the plug and the socket of an existing high voltage connector are separated too fast and damage is caused to the power connector assembly and human body of an operator are solved; and a backstop structure is arranged between the secondary locking sliding block and the plug shell in the invention, before the plug is not inserted into the socket, the secondary locking sliding block cannot be pushed into the plug shell and is in an unlocked state all the time, and only after the plug and the socket successively complete delayed locking and primary locking, the secondary locking sliding block can be pushed into the plug shell.

The invention relates to a storage card testing method and device, computer equipment and a storage medium. The device comprises a test board, a single chip microcomputer, a signal gating switch and at least two test card slots, wherein the test board is provided with an input interface and an output interface; the single chip microcomputer and the signal gating switch are integrated on the test board; the test card slots are used for placing storage cards; the input end of the single chip microcomputer on the test board is connected with an upper computer through an input interface, and the output end of the single chip microcomputer is connected with the input end of the signal gating switch; the test card slot on the test board is connected with the card slot of a test model machine through the output interface; and the single chip microcomputer controls the signal gating switch to carry out gating on the corresponding testing card slot for testing according to the control signal ofthe upper computer. When the storage card testing device is adopted, the testing efficiency of the storage card can be improved.

The invention discloses a belt guide device for a pipeline winding machine. The belt guide device comprises a first supporting structure and a second supporting structure. A moving guide wheel mechanism is fixed to the first supporting structure, a swing guide roller mechanism is fixed to the second supporting structure, and then the pitch of an enhancement belt wound around a pipeline is adjusted. The swing guide roller mechanism comprises a first guide roller, a second guide roller and a fine adjustment guide roller mechanism. The first supporting structure and the second supporting structure are connected through a telescopic mechanism. One end of the first supporting structure and one end of the second supporting structure are rotationally connected, and connection through a hinge seat is adopted as the rotational connection manner. By means of the moving guide wheel mechanism, the swing guide roller mechanism and the fine adjustment guide roller mechanism, the structural stability of the enhancement belt is protected; the amplitude of swing of the swing guide roller mechanism is adjusted, and then the pitch of the enhancement belt wound around the pipeline is adjusted; and the belt guide device is suitable for pipelines of different specification diameters, the structural flexibility of the belt guide device is improved, and the application range of the belt guide device is widened.

The present invention proposes an intelligent elevator system, which solves the problem in the prior art that the card cannot be swiped quickly during the process of holding items due to structural limitations when swiping the card to take the elevator; it includes a control unit for reading the acquired data Acquire and control the selection of the corresponding floor according to the read results, and connect to the external terminal; the power supply unit is used to provide the electric energy required for the work of the control unit; the processing unit is used to obtain the control information of the control unit, and the obtained control information Send to the elevator control terminal, control the rotation of the elevator floor, and connect with the control unit; the mobile terminal is used to send the floor data information to the control unit, and communicate with the control unit; the intelligent elevator system proposed by the present invention avoids The occurrence of problems such as damage to items.

The embodiment of the invention relates to the technical field of electronics, and discloses a detection circuit and detection method of an electric control device. In some embodiments of the invention, the detection circuit comprises a driving loop used for detecting an electric control device;c the driving loop comprises a high-side switch unit; the detection circuit also comprises a first detection module and a control module; the first end of the first detection module is connected with the first end of the electric control device, the second end of the first detection module is connectedwith the second end of the electric control device, and the third end of the first detection module is connected with the control module; the control module is used for acquiring a first electric signal of the third end of the first detection module; and according to the first electric signal of the third end of the first detection module, whether the driving circuit of the electric control devicefails is judged. In this embodiment, it is possible to diagnose a fault in the driving loop of the electrical control device.

The invention discloses a clamp for local protection in the chemical surface treatment of a dental implant. The clamp comprises a main body sealing seat, sealing covers and a fastening screw rod, wherein the upper end surface of the main body sealing seat is provided with first grooves; after the sealing covers are fixed on the main body sealing seat by virtue of the fastening screw rod, the lower end surface of each sealing cover and each first groove form a clamping cavity with an opening end; the sealing end of each clamping cavity is respectively provided with a conductive device which can be connected with a power supply; the inner side wall of each clamping cavity is provided with a sealing groove; and each sealing groove is respectively provided with an annular sealing ring which can clamp the dental implant. Because the clamping cavities are internally provided with the sealing rings and the dental implant is clamped and sealed by the sealing rings, the sealing rings partition the dental implant into a part to be treated, which is exposed in a chemical treating solution, and a protection part sealed in the clamping cavities, and therefore the part to be treated on the dental implant can be subjected to chemical surface treatment after the dental implant is put in the chemical treating solution. The clamp disclosed by the invention is suitable for chemical surface treatment of the dental plants.