33results about How to "Save board" patented technology

The invention relates to a cleaning spray device, in particular to a cross-flow cleaning spray device. The cross-flow cleaning spray device comprises water outlet tubes arranged on two sides and is characterized in that a plurality of spray nozzles are arranged on the water outlet tubes respectively, the spray nozzles at two ends are on a same plane and arranged in a mutual parallel staggering mode, adjusting screws are arranged on the water outlet tubes respectively, two hand wheels are arranged above the adjusting screws, and clamping boards are arranged outside the water outlet tubes respectively. The cross-flow cleaning spray device has the advantages that materials can be subjected to curvilinear order motion during rotation, and materials and water can be fully abraded, so that the cleaning effect is good; and cleaning paths in an effective interval are increased greatly, boards are saved, and the efficiency is improved.

The invention discloses a reinforcement bar truss mould plate and a welding process, wherein the reinforcement bar truss mould plate comprises a reinforcement bar truss and a bottom mould plate; the reinforcement bar truss comprises an upward spin reinforcement bar, a downward spin reinforcement bar and a web member reinforcement bar; and the bottom part of the web member reinforcement bar is parallel to the bottom mould plate and provided with a welding surface protruded toward the bottom mould plate, and the welding surface is welded on the plane of the bottom mould plate. The welding process comprises the following steps that: the bottom part of the web member reinforcement bar is bent to be parallel to the welded bottom mould plate; the bottom part of the web member reinforcement bar is downward pressed to from the welding surface; the top end parts of the two web member reinforcement bars are welded on both sides of the upward spin reinforcement bar; the downward spin reinforcement bars are welded on the symmetrical parts on the outer sides of the two web member reinforcement bars and below the upward spin reinforcement bar respectively; and the welding surface on the bottom part of the web member reinforcement bar is welded on the plane of the bottom mould plate. The reinforcement bar truss mould plate and the welding process have the advantages that: because the web member reinforcement bar and the bottom mould plate are of surface contact, the after-welding strength is improved by three times; the welding process is easily mastered, and the defects of puncturing the bottom mould plate and leaking concrete mortar are overcome; and because the bottom mould plate does not need an angle-type arc ribs, the plates, man-hours and labor are saved, and the production efficiency is improved by 40 percent.

A computer casing is composed of a base and an external cover. Said base consists of a front plate with a vertical wall bent inward to form a window, a bearing plate with a horizontal plate bent inward and a back plate. Said vertical wall has a projected plate and two through holes near the bottom. Said horizontal plate has a locking part bent upward with two through holes relative to said through holes on vertical wall. Said external cover has an inward projected plate for locking it with the projected plate of vertical wall to prevent deformation of vertical wall.

The invention is suitable for the PCB (printed circuit board) solder-mask printing field and provides a manufacturing method of a nail bed for PCB solder-mask printing, wherein the method comprises the steps of: placing heads of probes on fixed orifices of the PCB; using a nail bed plate with double faced adhesive tapes to press the probes on the PCB plate to enable caps on the probes to adhere to the double faced adhesive tapes of the nail bed plate; and then overturning the PCB and the nail bed plate and adjusting the probes to be perpendicular to the PCB plate to finish the manufacturing of the nail bed. According to the manufacturing method of the invention, nail beds in different models needed by the solder-mask printing of the PCB are rapidly manufactured by using only one nail bed plate and changing the double faced adhesive tapes on the nail bed plate. Compared with the prior art, the method of the invention avoids drilling on the nail bed plate and saves a plurality of sheet materials and drilling time, besides, the nail bed is also convenient for management.

The invention relates to a vehicle accessory technology, and discloses a combined supporting frame. The combined supporting frame a first supporting frame for fixing a secondary instrument board, and a second supporting frame which is used for fixing the secondary instrument board and a protective board at the inner side of a cab and is installed on the floor of the cab, wherein the first supporting frame and the second supporting frame are independently formed and connected in a welding mode. According to the combined supporting frame, the first supporting frame which is used for fixing the secondary instrument board, and the second supporting frame which is used for fixing the secondary instrument board and the protective board at the inner side of the cab and is installed on the floor of the cab are independently formed and connected in the welding mode, and therefore the first supporting frame and the second supporting frame are cut and designed conveniently, boards are saved, and cost is lowered.

The invention discloses an electric field enhanced plate type falling film evaporation device and a method. The device mainly comprises a high-voltage power supply, electrode wires, an insulation device, stainless steel plate sheets, insulation sealing gaskets, an insulation support partition and a housing. The adjacent stainless steel plate sheets of the plate type evaporation device are connected with the high-voltage power supply and earthed via the electrode wires respectively, so that a high-voltage electric field is formed; liquid is distributed on an evaporation side through small holes to form falling film flow; steam enters a condensation side of the plate type evaporation device through a plate-to-plate side edge to condense and release latent heat to heat the liquid on the evaporation side; the high-voltage electric field between the stainless steel plate sheets can further strengthen an evaporation process; the evaporated liquid is subjected to steam-liquid separation in a steam-liquid separation space; and the secondary steam and concentrated liquid can be further utilized. According to the device and the method, an evaporation enhancement effect of the high-voltage electric field is utilized, and the high-voltage electric field is formed between the plate sheets of the plate type falling film evaporation device by reasonable arrangement of the electrode wires, so that a heat transfer coefficient can be increased, the heat exchange area is reduced, plates are saved, and energy consumption is reduced.

The invention discloses a multifunctional intelligent compact shelf which is easy to install and use. Side plate, top plate, the side plate is a combined side plate, the combined side plate includes a main body of the side plate and frame-type combined side columns arranged on opposite sides of the main body of the side plate, the top plate is a In the grooved top plate, the frame-type combined side columns include two inner and outer frame sides that are oppositely and correspondingly connected to each other through corresponding convex-concave connecting devices. The multi-functional intelligent compact rack with simple and convenient installation and use has simple and reasonable structure, simple installation process, simple, convenient and fast maintenance of the rack cabinet, and relatively high mechanical strength.

The invention aims to provide an automobile navigation screen PCB mounting structure. The PCB is cuboid-shaped, and the right end of the back side of the PCB stretches backwards to form a cuboid-shaped corner; a PIN connection socket is arranged at the top of the PCB and near the corner; a mounting plate is arranged below the PCB; a regular concave part is formed in the middle of the front side of the PCB; fixed nuts are positioned on the two sides of the concave part at the top of the PCB and on the two sides of the back end of the top of the PCB; fixed bulges are positioned at the top of the mounting plate and arranged below the fixed nuts; and the fixed nuts are fixed on the fixed bulges. By adoption of the cuboid shape and corner structure, the material of the PCB is reduced; the PIN connection socket is provided, so the connection requirement of the PCB is met; the PCB and the mounting plate are mounted by the fixed bulges and the fixed nuts, so that a gap is maintained between the PCB and the mounting plate, and heat dissipation is facilitated; and the connection requirement of the PCB is met well, the plate material is saved and the mounting effect is good.

The present invention provides a kind of I through CPLD 2 A method and device for C bus expansion, the method includes the following steps: the BMC sends data to the CPLD, and the CPLD latches the received data; the CPLD acquires the I 2 The clock signal of the C device, and when the clock signal is high, the latched data is read 1 bit at a time to send to the I 2 C device; the CPLD continues to latch the remaining unsent data in response to the clock signal being low; the I 2 After receiving the complete data, the C-device sends a response signal to the BMC via the CPLD, and the BMC continues to transmit the next data to the CPLD in response to receiving the response signal. The present invention realizes I through CPLD 2 C bus extends and implements I 2 C clock stretching function, to save the board and reduce the cost of materials, and does not affect the function of the original motherboard.

A computer casing is composed of a base and an external cover. Said base consists of a front plate with a vertical wall bent inward to form a window, a bearing plate with a horizontal plate bent inward and a back plate. Said vertical wall has a projected plate and two through holes near the bottom. Said horizontal plate has a locking part bent upward with two through holes relative to said through holes on vertical wall. Said external cover has an inward projected plate for locking it with the projected plate of vertical wall to prevent deformation of vertical wall.

The invention discloses a supporting template used for sealing the bottom surface of a building template in a building template system. The supporting template comprises a supporting piece (1) and a connecting mechanism, wherein the supporting piece is positioned on the lower part; the connecting mechanism is molded on the upper surface of the supporting piece (1) and is spliced with the building template; the upper surface of the supporting piece (1) is suitable to be tightly bonded to the bottom surface of the building template; and a sealing mechanism for preventing the seepage of castables is arranged at the bottom of the supporting piece (1). After the supporting template used for sealing the bottom surface of the building template provided by the invention is spliced, a joint seam is tight; the integrality is high; and the seepage of cement paste can be prevented.