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65 results about "Breadboard" patented technology

A breadboard is a construction base for prototyping of electronics. Originally the word referred to a literal bread board, a polished piece of wood used for slicing bread. In the 1970s the solderless breadboard (a.k.a. plugboard, a terminal array board) became available and nowadays the term "breadboard" is commonly used to refer to these.

Laser marking system and method for metal surface dazzling and coloring

The invention provides a laser marking system and method for metal surface dazzling and coloring, and relates to the technical field of metal surface laser precision machining.The system integrates a femtosecond laser, a nanosecond laser, an optical bread board, a lifting platform, an electric rotating slide, a scanning galvanometer, a focusing lens, a computer control system and an adsorption platform; two laser marking processes of colorful marking and coloring marking are innovatively combined; the femtosecond laser device achieves a colorful effect on the metal surface through ultrashort pulses, and the nanosecond laser device generates a colorful effect of various colors through the heat effect. Automatic switching of the two lasers is controlled through the lifting platform, the computer automatically recognizes the drawing and document process type, and multi-color-zone pattern marking is efficiently completed. The system is simple in structure and convenient to operate, can meet the high-precision double-process marking requirement of the metal surface, and is widely applied to the fields of consumer electronics, anti-counterfeiting technologies and the like.
Owner:HARBIN ENG UNIV

Novel material temperature stability evaluation device and evaluation method based on optics

The invention relates to a novel material temperature stability evaluation device and evaluation method based on optics. The novel material temperature stability evaluation device comprises a laser, an optical isolator, a half-wave plate, a polarization splitting prism, an optical fiber coupler, a single-mode polarization maintaining optical fiber, an optical fiber collimator, a 45-degree reflector to be measured, a light spot analyzer, a temperature control optical bread board and a heat preservation box. By directly measuring the change of the mass center position of the light spot, the deformation condition of the optical device along with the temperature is measured, and then the temperature stability of the device is given. The method can be used as an optical system component temperature stability screening scheme, and can also be used as a direct evaluation method for temperature relative stability of different materials.
Owner:CHINA STATE SHIPBUILDING CORP NO 707 RES INST

Device and method for measuring photothermal effect of two-dimensional material

The invention discloses a device and method for measuring the photothermal effect of a two-dimensional material, and the device comprises an optical bread board, the optical bread board is provided with a light heating module, an electric heating module and a measurement module, the measurement module is provided with a to-be-measured material, and is used for supporting the to-be-measured material and obtaining the temperature of the to-be-measured material; the electric heating module is used for heating a to-be-tested material and obtaining the temperature in the heating process; the light heating module is used for illuminating a to-be-tested material and acquiring light power during illumination; the measurement principle advantage of the measurement device is remarkable, the Newton's cooling law is used as the core calculation principle, a physical model for calculating the photothermal conversion efficiency is simplified, the measurement device can calculate the photothermal effect of the two-dimensional material more visually and accurately, the measurement cost can be effectively reduced, and the measurement operation can be simplified.
Owner:XIAMEN UNIV

Teaching demonstration device for high-voltage interlocking system of new energy automobile

The utility model discloses a teaching demonstration device for a high-voltage interlocking system of a new energy automobile. The teaching demonstration device is composed of an arduino UNO chip, a normally open relay, a direct current motor, a button switch, a traffic light module, a plurality of resistors, a plurality of wires and a bread board for assembling the above circuit elements. The beneficial effects of the utility model are that the new energy automobile high-voltage interlocking teaching demonstration device employs the arduino chip to simulate the operation of a new energy automobile high-voltage system, is simple and safe, is light, can display the operation principle of a new energy automobile electrical system to students more conveniently, is very high in practicality and cost performance in teaching, and achieves the teaching demonstration of the new energy automobile high-voltage interlocking based on the thought. In the future, the method can be used for simulating high-voltage systems of more new energy automobiles to make teaching aids, so that new energy automobile teaching is qualitatively changed.
Owner:曾同异 +1

Novel ionization vacuum gauge hot cathode filament damage state monitoring device and method

The invention is suitable for the field of hot cathode ionization vacuum gauge filament life prediction and monitoring, and provides a novel ionization vacuum gauge hot cathode filament damage state monitoring device and method, and the device comprises a damage device and a state monitoring device. The damage device comprises a hand-cranking digital display sliding table, a first flange nut, a second flange nut, a third flange nut, a fourth flange nut, a short pressing plate, a first screw rod, a second screw rod, an iridium-yttrium oxide lamp filament, a cross-shaped sliding table, a long pressing plate, a bread board, a nut and a cutter fixing clamp. The state monitoring device comprises a molecular pump set, a vacuum valve, a cold cathode ionization vacuum gauge, a vacuum chamber, a hot cathode ionization vacuum gauge, a controller, an upper computer and a high-speed camera. The operation process of the damage system provided by the invention completely meets the requirement for damage to the coating width and the depth of the lamp filament, and the precision is relatively accurate. Moreover, the change of the surface of the lamp filament in the working process of the lamp filament can be observed, and real-time damage detection can be carried out on the lamp filament on the basis of processing image information in the experiment process.
Owner:HEFEI UNIV OF TECH

Simulation circuit board teaching demonstration device

The utility model provides an analog circuit board teaching demonstration device, and the device comprises a bread board which is provided with a plurality of connection jacks; the shielding plate is in sliding connection with the bread board so as to shield or unshield the connecting insertion hole; wherein the baffle plate is provided with a plurality of through holes, and when the baffle plate slides on the bread board until the through holes are in one-to-one correspondence with the connecting jacks, the baffle plate unblocks the connecting jacks; and when the shielding plate slides on the bread board until the penetrating through holes and the connecting jacks are alternately arranged, the shielding plate shields the connecting jacks. According to the application, the shielding plate in sliding connection is arranged on the bread board so as to slide the shielding plate to change the position of the shielding plate on the bread board, so that the shielding plate shields or unshields the connecting jacks in the bread board, and the situation that the connecting jacks are exposed due to no shielding when not in use, and dust enters the connecting jacks is avoided; and poor contact of the connection jack is avoided.
Owner:MILITARY TRANSPORTATION UNIV PLA

Multi-mode fluorescence microscopic imaging system based on cage structure

The invention discloses a multi-mode fluorescence microscopic imaging system based on a cage structure, and relates to the field of optical imaging systems, the system comprises a bread board, a multi-axis cage structure support member, a primary optical element, a secondary optical element and a middle optical element; mechanical through holes with different heights are formed in the multi-axis cage type structure supporting piece so as to provide light paths of various different optical axes; the multi-shaft cage type structure supporting piece is installed on the bread board. The primary optical element is mounted on the bread board in a modularized manner to form a primary fluorescence microscopic imaging system; on the basis of a primary fluorescence microscopic imaging system, a secondary optical element and an intermediate optical element are mounted on a bread board in a modularized manner, so that a secondary fluorescence microscopic imaging system, an intermediate fluorescence microscopic imaging system or an advanced fluorescence microscopic imaging system can be formed. According to the invention, the flexibility and stability of the imaging system can be improved, so that the same system can realize multi-modal fluorescence microscopic imaging under the condition that the main body structure frame is not changed.
Owner:PEKING UNIV

Liquid drop ionization device for measuring gas-liquid interface chemistry

The invention provides a liquid drop ionization device for measuring gas-liquid interface chemistry, and relates to the field of liquid drop ionization, the liquid drop ionization device comprises a pressurized polar plate connected with a high-voltage single-pulse device, and a stainless steel capillary tube used for transmitting and hanging liquid drops; meanwhile, K times of pressure applied to the pressurized polar plate is applied to the stainless steel capillary tube by utilizing a voltage dividing device, so that liquid drops carry part of charges; the grounding front polar plate and the pressurized rear polar plate are arranged on the supporting device at an interval; the liquid outlet end of the stainless steel capillary tube is positioned between the grounding front polar plate and the pressurized rear polar plate; the optical bread board is connected with a connecting table, the connecting table is connected with a mass spectrometer, and the grounding front polar plate, the pressurized rear polar plate and the stainless steel capillary tube are all arranged on the optical bread board. Uniform electric field intensity is guaranteed, and liquid drop ionization efficiency is improved; the position of the liquid drop is accurately controlled and adjusted, and the liquid drop is just suspended in the middle of the front and rear polar plates by adjusting the position of the liquid drop.
Owner:NANKAI UNIV

Optical breadboard and related structures

Embodiments of an optical breadboard are disclosed. In one embodiment, the optical breadboard includes first sheet, a second sheet, and a core positioned between and bonded to the first sheet and the second sheet. The core includes a plurality of longitudinal members bonded together along their lengths. Each of the longitudinal members have an interior structure including a plurality of ribs, wherein each rib has a first longitudinal rib portion and a second longitudinal rib portion, wherein the second longitudinal rib portion is sized to have a plurality of threaded holes formed therein, so that the threaded holes are arranged in a two-dimensional grid. The longitudinal members may be formed from an extruded material, such as aluminum. The first sheet includes a plurality of passages sized to allow one or more fasteners to be inserted into the threaded holes in the core.
Owner:NEWPORT CORP

Optical tweezers device for measuring elasticity of single cell

The invention discloses an optical tweezers device for single cell elasticity measurement, which is characterized by comprising an optical tweezers module, a microscopic imaging module, a sample cell displacement module and a control and display module which are jointly positioned on a standard optical bread board, a laser device in the optical tweezers module emits a laser beam which sequentially passes through a laser beam expanding device, a power adjusting device, a first reflector, a beam coupling lens, a second reflector, a precise pinhole, a beam splitter prism and a rectangular prism reflector, and the laser beam is focused at an image space focal plane of a first objective lens to form an optical trap for capturing single cells. The single cell is controlled to perform relative motion at a constant speed through the control and display module and the sample cell displacement module, the fluid resistance generated by the motion causes the single cell to deform, and the microscopic imaging module receives image information and observes the deformation degree of the single cell to measure the elasticity of the single cell. The device has the advantages that the mobility is good, and the acting force for applying deformation is controllable.
Owner:NORTHEASTERN UNIV AT QINHUANGDAO

Accelerated aging equipment

The invention discloses accelerated aging equipment, which relates to the field of organic semiconductor materials, and constructs a semiconductor device accelerated aging test space with stable structure and controllable environment by integrating an optical platform bread board, a light source module, a supporting and fixing module, a control module and a composite heat dissipation system in a camera obscura body. Wherein the light source module can stably output a continuous simulation sunlight spectrum with adjustable light intensity and light color under the adjustment of the control module, so that accurate illumination accelerated aging of a device to be tested is realized; according to the composite heat dissipation system, the light source module and the supporting and fixing module are subjected to targeted heat dissipation, a heat dissipation circulation loop communicated with the supporting and fixing module is formed, heat accumulation under high light intensity modulation is effectively restrained, the temperature of a test area is kept stable and controllable, and therefore the high acceleration rate is guaranteed, and meanwhile the test efficiency is improved. The interference of thermal runaway on the test result is avoided, and the accuracy, repeatability and reliability of the service life test of the semiconductor device are integrally improved.
Owner:NANJING UNIV

Vibration system for measuring anti-vibration performance of optical assembly

The utility model relates to the technical field of optics, and discloses a vibration system for measuring the vibration resistance of an optical component, so as to assist in optimizing a coupling structure between components and further ensure the stability of an optical path system. The system comprises a connecting frame connected with at least three discrete foot cups; the optical bread board is connected with the vibration motor; the elastic assemblies are used for limiting and buffering displacement of the optical bread board in the three-axis direction, and the elastic assemblies are arranged between the connecting frame and the bread board and arranged above the corresponding foot cups.
Owner:CHANGSHA LUBANG PHOTOELECTRIC TECH CO LTD

Conducting rod ring piece deflection degree detection equipment

The invention relates to conducting rod ring piece deflection degree detection equipment, and belongs to the field of advanced manufacturing. The device comprises a movement mechanism, a visual detection module, a control system and a structure tool, the movement mechanism comprises a three-degree-of-freedom posture adjusting mechanism, a servo rotary table and a single-axis displacement sliding table. The visual detection module comprises a camera, a lens and a light source; the control system is used for communicating with the movement mechanism and the visual detection module, acquiring acquired information and analyzing deflection degree data; the structure tool comprises a coaxial clamping tool and an optical bread board; the device can replace manual visual observation, realizes efficient and stable collection of the deflection degree of the ring piece of the conducting rod, is suitable for conducting rods of various models, has good universality, and saves the design cost and the manufacturing cost.
Owner:BEIJING INST OF AEROSPACE CONTROL DEVICES

Building of optomechanical systems using self-aligned reference balls

The building of systems on breadboards such as optomechanical systems using reference stop assemblies is presented. Each reference stop assembly has a threaded base engageable with the breadboard to removably mount the reference stop assembly thereto, a support shaft connected to the threaded base and a reference ball. The reference ball is captively mounted to the support shaft and has a translational play in a plane perpendicular to the support shaft. The reference stop assembly also includes a clamping member mounted to the support shaft over the reference ball. The reference stop assembly is configured such that, when the reference stop assembly is mounted to said breadboard, the support shaft projects normally to the mounting surface of the breadboard and the clamping member cooperates with the breadboard so as to apply a clamping force to clamp the reference ball against a circular seat of a mounting hole on the breadboard.
Owner:INSTITUT NATIONAL D'OPTIQUE

Weak magnetic field measurement experiment device

The utility model discloses a weak magnetic field measurement experiment device, which comprises a linear Hall sensor, a microcontroller, a power supply module, a bracket and a fixing piece, a high-precision ADC (Analog to Digital Converter) module, a passive element, a breadboard and a Dupont line, and is characterized in that the linear Hall sensor is arranged on the breadboard through the bracket and the fixing piece; an output interface of the linear Hall sensor is connected with an input interface of the high-precision ADC module through a Dupont line, the microcontroller is connected with an output interface of the high-precision ADC module through a Dupont line, and the power supply module is respectively connected with the linear Hall sensor, the microcontroller, the high-precision ADC module and the passive element through Dupont lines. The experimental device is placed in a weak magnetic field area needing to be measured, the microcontroller is used for reading data of the high-precision ADC module, corresponding calculation and processing are carried out, the magnetic field intensity value can be measured, and the magnetic field intensity value can be transmitted to a computer or other display equipment through a communication interface of the microcontroller to be displayed and recorded.
Owner:TAIYUAN INST OF TECH

Mechanical logic operation system based on multi-order buckling instability of bilateral constrained beams

The invention discloses a mechanical logic operation system based on multi-order buckling instability of bilateral constraint beams. The mechanical logic operation system comprises a mechanical input module, a digital output module, a storage battery and a wire. The mechanical input module is provided with two double-side constraint beam switches and a base. The digital output module is provided with an LED lamp and a bread board. The first-order buckling mode and the third-order buckling mode of the bilateral constraint beam switch are abstracted into binary bits 0 and 1 respectively, and the non-bright state and the bright state of the LED lamp are defined as digital signals 0 and 1 respectively. The mechanical input module, the digital output module and the storage battery are connected through wires to construct a circuit, and eight basic logic gates and any complex logic circuit (a half adder, a full adder and the like) can be realized. According to the system disclosed by the invention, a logical operation function under a von Neumann framework in a mechanical level is realized by utilizing conventional materials through an ingenious structural design, and a method is provided for constructing an intelligent mechanical computer with reconfigurable, repeatable programming and information processing capabilities.
Owner:ZHEJIANG UNIV

Handheld device for moving industrial devices

A handheld device for a frame of a device, such as a roll cage or a breadboard box. The handheld device has a handle portion (2) and a first connector (4) and a second connector (6). The first connector (4) is connected at one end to the handle (2), and the first connector (4) is tubular to receive the second connector (6) therein to allow linear and rotational movement of the first connector relative to the second connector. The second connector (6) has two arms pivotally connected at its end close to the first connector (4). The relative position of the first connector and the second connector is movable between a first position in which the ends of the arms remote from the pivot connection are separable to be secured around the frame and a position in which the distal ends of the arms are closed and secured together to grip the frame.
Owner:ITIP HOLDINGS CO LTD

A stable femtosecond laser ablation instrument

The utility model discloses a kind of stable femtosecond laser ablation instruments, including from bottom to top sequentially arranged electrical layer, laser layer, sample layer and scanning optical path layer;Electrical layer includes four shock insulation legs, electrical cabinet and laser power supply;Laser layer includes honeycomb core optical face breadboard and laser;Sample layer includes first marble mesa and sample bin;Scanning optical path layer includes second marble mesa, scanning galvanometer, focusing lens and galvanometer front optical path assembly.The utility model adopts four layers four grade shockproof design, it is conducive to optical path stability and collimation;Rubber can block the vibration influence of ground and electrical layer;Honeycomb core optical face breadboard can reduce the vibration influence between flat layer component;Marble rigidity coefficient is small, and heavy, inherent frequency is low, equipment is more stable.
Owner:SHANGHAICHEMLABINSTRUMENTCO LTD

System and method for trace generation and reconfiguration on a breadboard or printed circuit board

A system, method and computer program product for automated circuit trace generation and reconfiguration on a circuit board, includes a circuit board having a plurality of contact points; a switching matrix coupled to the contact points of the circuit board, and connected to a computer. The switching matrix is programmed by the computer to generate one or more circuit traces onto the contact points of the circuit board.
Owner:HAIM ALBERT MOSES

Automatic tightening device for carpal fracture

The utility model discloses an automatic tightening device for carpal fracture, and relates to the field of fracture fixing devices. A housing; a breadboard; the OLED display screen, the button cell, the button and the LED lamp are installed outside the shell; the infrared sensor force measurement module, the micro-motion direct current motor and the single chip microcomputer are installed in the shell; the OLED display screen, the button cell, the button, the LED lamp, the infrared sensor force measurement module and the micro-motion direct current motor are all connected with the single chip microcomputer; the coil is arranged on an output shaft of the micro-motion direct current motor; a plurality of wire grooves are formed in the outer wall of the wrist distal radius fracture fixing splint; one end of the polyester rope is fixed on the wrist distal radius fracture fixing splint, is wound on a wire slot of the wrist distal radius fracture fixing splint and then penetrates through the shell to enter the interior, and the middle part of the polyester rope is hung on the infrared sensor force measuring module, is wound by the winding ring and then is fixed by the winding ring. The device is simple and safe to operate and low in cost.
Owner:JILIN UNIVERSITY

Optical bench with breadboard active damping

The application provides an optical platform with breadboard active damping, comprising: a platform unit, the platform unit comprising a top plate, a platform inner core and a platform bottom plate, the platform inner core being arranged between the platform top plate and the platform bottom plate; an active damping component, the active damping component being arranged on the platform unit, the active damping component being provided with a sensor module and a driver module; and a feedback unit, the sensor module being electrically connected with the feedback unit, vibration signals collected by the sensor module being collected, analyzed and processed by the feedback unit to obtain input signals, and the driver module generating vibration according to data of the input signals to offset vibration of an external environment. The application utilizes an active balancing mode to maximize the offset of the influence of platform bending vibration, improves the accuracy of alignment of optical equipment installed on the workbench, and thus improves the precision in the process of optical performance testing.
Owner:HEFEI UNIV OF TECH

A method for measuring the angular velocity of falling body rotation using an optical absolute gravimeter

The invention discloses a device and a method for measuring the angular velocity of rotation of a falling body of an optical absolute gravimeter, wherein the measuring device comprises a falling body angular velocity measuring component and a supporting and fixing component; the falling body angular velocity measuring component and the supporting and fixing component are both arranged on the top of a vacuum chamber of the absolute gravimeter; the falling body angular velocity measuring component comprises a laser, an optical fiber, a laser collimator, a spectroscope, a reflector, and a PSD position sensitive sensor; the supporting and fixing component comprises a vacuum chamber top plate of the absolute gravimeter and an optical path breadboard, wherein a window mirror is provided on the vacuum chamber top plate of the absolute gravimeter, the optical path breadboard is vertically arranged on the vacuum chamber top plate of the absolute gravimeter, and the window mirror is located in front of the optical path breadboard, and the falling body angular velocity measuring component is movably arranged on a side of the optical path breadboard close to the window mirror; the reflector is located above the spectroscope, and the centers of the spectroscope and the reflector are on the same axis as the center of the window mirror.
Owner:NATIONAL INSTITUTE OF METROLOGY CHINA

A circuit board system

The present invention relates to a breadboard system for prototyping both analogue and digital circuits and provides an electronic prototyping system to construct one or more complex electronic circuits, wherein each circuit board is designed and built to provide a specific function that contributes to an overall system design. The present invention provides an electronic circuit module unit comprising a circuit board device with a plurality of electrical contacts arranged within a circuit layout to enable electronic components to be releasably connected by solderless contacts within the circuit layout. The electrical contacts provide a first configuration of component connections to form a first type of signal processing circuit with a first signal processing function, and a second configuration of component connections to form a second type of signal processing circuit with a second signal processing function. The connection of a first set of electrical components in the first configuration forms the first type of signal processing circuit with the first signal processing function having primary characteristics and replacement of at least one electrical component of a first type having a first value for another electrical component of the first type having a second value changes the primary characteristics whilst maintaining the first type of signal processing circuit with the first signal processing function.
Owner:JONES DAVID

Two Minute Pizza Oven With Multi-Circuit Toaster Board Heating Element

A device for cooking pizza in about two minutes is disclosed. The device may comprise an internal cooking chamber, a first heating element affixed to the bottom wall of the chamber, a second heating element affixed to the top wall of the chamber, and a holder member parallel to the top and bottom walls upon which the pizza is placed. Each heating element may include one or more lengths of exposed high-resistance conductor that produce wattages when current is applied across two or more terminals to which the high-resistance wires are affixed. The heating elements are configured to produce a total combined wattage of about 3 to 4 watts per cubic inch of volume of the internal cooking chamber.
Owner:WEINBERGER MICHAEL

Pre-scanning-based hatching egg spectrum acquisition device and method

The hatching egg spectrum acquisition device further comprises an optical bread board, a front mechanism is installed on the optical bread board, a light source and a camera obscura supporting column are arranged on the two sides of the front mechanism respectively, a camera obscura is installed at the upper end of the camera obscura supporting column, and a light splitting mechanism is arranged on the inner side of the camera obscura supporting column. A plurality of light through holes are formed in the lower end of the camera obscura, the light through holes are used for containing hatching eggs, a lens a and a photoelectric detector are installed on the inner side wall of the camera obscura, and the lens a is located between the hatching eggs and the photoelectric detector. The front mechanism and the light splitting mechanism are arranged before light irradiates the hatching eggs, light splitting is carried out before the light irradiates the hatching eggs, and light splitting after the hatching eggs are emitted is replaced, so that a spectrum camera is replaced by a low-cost photoelectric detector and an optical filter, and a data acquisition card at an acquisition end can directly acquire light with corresponding wavelength; and a detection array can be enlarged by additionally arranging a lens and a photoelectric detector, so that the detection flux is improved.
Owner:TIANFU JIANGXI LAB

Flame-retardant high-strength PP plate

The utility model discloses a flame-retardant high-strength PP board, which comprises a first board body, a flame-retardant component is arranged on the inner side of the first board body, the flame-retardant component comprises a bread board, a honeycomb board, a spacing board, a corrugated board and a second board body, the bread board is arranged on the inner side of the first board body, the honeycomb board is arranged on the top of the bread board, and the spacing board is arranged on the top of the second board body. The partition plate is arranged at the top of the honeycomb plate, the corrugated plate is arranged at the top of the partition plate, the second plate body is detachably arranged at the top of the first plate body, a disassembling assembly is arranged between the first plate body and the second plate body, and the disassembling assembly comprises a fixing rod, a mounting hole and a fixing sleeve. The fixing rods are uniformly and fixedly mounted on the first plate body, the mounting holes are uniformly formed in the second plate body, the fixing rods are matched with the mounting holes, and the fixing sleeves are detachably arranged on the fixing rods so as to solve the problem that in the using process of an existing common PP plate mentioned in the background technology, the PP plate is not prone to falling off in the using process. The flame-retardant and high-strength functions are not realized.
Owner:HEBEI JIHUA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Optical communication coaxial product press-fit device

The utility model provides an optical communication coaxial product press-fit device which comprises a bread board, a lower base plate is installed at the top end of the bread board, a product limiting hole is formed in the lower base plate, a product lower carrier is placed in the product limiting hole, a fixing base is placed on the lower base plate, and a byproduct limiting hole is formed in the fixing base. The utility model has the following beneficial effects: a lower carrier of a product is placed in the lower substrate and is fixed through the product limiting hole, the fixed seat is placed on the lower substrate and is fixed through the positioning pin, an upper carrier of the product is placed in the fixed seat and is fixed through the byproduct limiting hole, the press-fit pin is placed in the fixed seat, and the upper base is moved to drive the upper electrode to move; the upper electrode moves, the extrusion press-fit pin moves, then the upper carrier of the product is pressed into the lower carrier of the product, after the actions are completed, the press-fit work of the product is completed, and the overall work is an external protective measure work, so that the surface of the product is prevented from being easily damaged in the operation process.
Owner:HUAXIA XINZHIZHI PHOTONICS TECH (BEIJING) CO LTD

Simple and portable small electronic technology experiment box

ActiveCN222440086UMeet the experimental requirementslow costEducational modelsSoftware engineeringHemt circuits
The utility model relates to a simple and portable small electronic technology experiment box, which comprises a direct-current stabilized power supply circuit unit, a power supply display protection circuit unit, a clock signal source circuit unit, a digital logic input and output circuit unit, a bread board circuit building unit and a nixie tube display circuit unit. The electronic technology pocket experiment platform is small in size and extremely low in cost. The design optimization leaves the most basic functions, so that the size of the equipment is greatly reduced, the price of the equipment is reduced to less than 200 RMB, the price is economical, and most students can have the ability to purchase and carry about by themselves and can carry out basic electronic technology experiments anytime and anywhere. Therefore, convenience can be brought to the majority of learning groups and users, and meanwhile, wide market prospects and economic values are achieved.
Owner:KUNMING UNIV OF SCI & TECH