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113results about How to "Protect play" patented technology

Double-face photovoltaic cell

The invention provides a double-face photovoltaic cell. The double-face photovoltaic cell comprises a first protective layer, a photovoltaic cell and a reflecting member used for receiving and reflecting sun rays. There are multiple double-face photovoltaic cells. Gaps are present between adjacent double-face photovoltaic cells. The reflecting member is arranged under the gaps and makes received sun rays reflected to the lower surfaces of the double-face photovoltaic cells. The reflecting member is a second protective layer. The lower surface of the second protective layer is a planar surface while the upper surface is a curved surface. A reflecting coating layer is coated on the curved surface. The first protective layer and the second protective layer are connected in a sealing way to form a sealed chamber. A plurality of double-face photovoltaic cells are arranged inside the sealed chamber. By means of the reflecting members arranged under the gap located between adjacent double-face photovoltaic cells, sun rays emitted in the gap are reflected. The reflecting members are protective layers and achieve protection. Reflection is further achieved through the reflecting coating layer on the curved surface. The weight of the whole photovoltaic cell is reduced. Meanwhile, the double-face photovoltaic cell has a simple structure.
Owner:ARCTECH SOLAR HLDG CO LTD

Tensile force alarm device

The invention provides a tensile force alarm device, which can solve the problems of cost increment and easy occurrence of potential safety hazard caused by easy breakage of cables of construction machines existing in the prior art. The tensile force alarm device is arranged on the construction machine, effectively prevents the cables from being broken, reduces cable damage rate and mechanical maintenance rate, and prolongs the service life of the cables. The invention adopts the technical following scheme that: the tensile force alarm device comprises a shell part, a pull rod part, a deflector rod part, an alarm part and a fixing part, wherein the shell part comprises cover plates and a base which are hermetically connected; the pull rod part comprises a pull rod capable of moving up and down according to external tensile force; the deflector rod part comprises a deflector rod, a compression rod and a rotary support, and the deflector rod receives the tensile force of the pull rod to drive the compression rod and the rotary support to swing; the alarm part comprises a toggle switch, an alarm circuit module and a loudspeaker which are electrically connected, and the toggle switch receives motive power of the rotary support to change state; and the fixing part comprises a drag hook and at least one lengthened screw, and the lengthened screw passes through the base.
Owner:许宾

Valve body with filtering function

The invention relates to the field of water control valves, in particular to a valve body with a filtering function. The valve body comprises a valve shell, wherein the left and right sides of the valve shell are fixedly provided with a water inlet connecting pipe and a water outlet connecting pipe respectively, the center of the inner portion of the valve shell is rotatably in fixed-axis connection with a rotating shaft, the rotating shaft is fixedly provided with a filter net, the water inlet connecting pipe is connected with an intermittent reciprocating mechanism and is connected with therotating shaft through the intermittent reciprocating mechanism, the lower side of the valve shell is fixedly provided with a discharge pipe, the joint of the discharge pipe and the valve shell is fixedly provided with a brush frame cleaning the filter net, and an outlet end of the discharge pipe is provided with an automatic discharge mechanism. The valve body with the filtering function can automatically perform cleaning, keep the stable discharge value of the filter net and improve the water delivery efficiency so that the water pressure in the valve body can be kept stable in time, therefore, structural parts in the valve body are not damaged by the excessive water pressure, the pipe is also prevented from being broken, automatic discharge can also be achieved, and the time and labor are saved.
Owner:浙江鑫泰阀门科技有限公司

Tubular motor reduction gearbox with protection mechanism

The invention discloses a tubular motor reduction gearbox with a protection mechanism. The tubular motor reduction gearbox comprises a motor and a reduction gearbox body, the reduction box body comprises an internal gear sleeve, a pressure sensor is arranged on the internal gear sleeve, and the pressure sensor is connected with a control switch; a connection sleeve with a positioning hole is arranged on a rotary shaft of the motor, a connection shaft is arranged in the reduction gearbox body, the interior of the connection shaft is provided with an internal cavity, a guiding block is arrangedin the internal cavity, and an elastic piece is arranged on the guiding block; the connection shaft is provided with a communication hole with a locking rod arranged in, the interior of the connectionshaft is provided with a cavity, the side wall of the locking rod is provided with a limiting block, and sleeved with a driving spring; and the side wall of the connection shaft is provided with a sliding groove communicated with the internal cavity, a sliding block is slidably connected with the interior of the sliding groove, the connection shaft is wound with a coil, and the two ends of the coil are connected with a control switch. The tubular motor reduction gearbox has the following advantages and effects that the effect of protecting the motor can be achieved by adopting the pressure sensor and the motor protection mechanism; the locking device has the effect of being convenient to mount and labor saving; and the stability is high, and the tubular motor reduction gearbox has the effect of noise reduction.
Owner:宁波智启机电有限公司

Gallery type road wind and light energy combined power station

The invention relates to a gallery type road wind and light energy combined power station and belongs to the field of new energy development and application. A novel method for building a centralized wind and light energy power station is invented. The capability of bearing and spanning ground constructed objects of steel frame platforms is mainly utilized, a solar photovoltaic power station and a wind power plant are built on the steel frame platforms, and therefore the purpose of fully utilizing idle and abundant solar energy and wind energy of ground permanent constructed objects such as roads to generate power is achieved. The gallery type road wind and light energy combined power station is characterized in that a wind driven generator tower serves as a main support, girder pipe columns are used for assisting, and therefore the steel frame platforms are formed through combination and fixation; multiple adjacent steel frame platforms commonly form a gallery-shaped steel frame platform body which is provided with a solar photovoltaic assembly array, and the tower is provided with a small and medium size wind driven generator; a current control cabinet formed by integrating devices such as a confluence controller and an inverter can also be installed on the steel frame platform body. Electric power generated by the power station can be provided for a grid or adjacent loads, and meanwhile, the function of protecting the road and the traffic safety can be achieved.
Owner:郑东武

Automatic power-off protection circuit for overload and short circuit of storage battery

The invention provides an automatic power-off protection circuit for overload and short circuit of a storage battery, and relates to a storage battery protection circuit. The automatic power-off protection circuit comprises a storage battery BT1 and a storage battery BT2, and is characterized in that a negative electrode end of the storage battery BT1 is connected with an inductor L1 in series, a normally-closed contact J1-1 is connected to a positive electrode end of the storage battery BT2, the negative electrode end of the storage battery BT1 is connected to a pin 1 of a photoelectric coupler IC1 through a resistor R1, a pin 2 of the photoelectric coupler IC1 is connected to a part between the inductor L1 and the normally-closed contact J1-1, a pin 4 of the photoelectric coupler IC1 is connected to a positive electrode end of the storage battery BT2, and a pin 3 of the photoelectric coupler IC1 is connected to a negative electrode of a diode D2, one end of a resistor R6, a positive electrode of a diode D3, one end of a resistor R8 and a collecting electrode of a triode Q4. The automatic power-off protection circuit can prompt that a circuit to which the storage battery is connected has an overload or short circuit fault. The whole device is simple in structure and convenient to install and debug, plays a role of protecting the storage battery and prolonging the service life of the storage battery, and is conducive to preventing a fire, which is caused by a short circuit, of an automobile circuit.
Owner:LUAN TONGXIN CHANGNENG ELECTRONICS TECH CO LTD

Wafer-level chip packaging structure and preparation method thereof

The invention provides a wafer-level chip packaging structure and a preparation method thereof. The wafer-level chip packaging structure comprises semiconductor chips, a rewiring layer, soldering fluxprotruding blocks, a first protecting layer and a second protecting layer, wherein the rewiring layer comprises low-k medium layers and metal connection layers located inside and on the upper surfaces of the low-k medium layers, and the soldering flux protruding blocks are located on the upper surface of the rewiring layer and electrically connected with the metal connection layers; the first protecting layer is located on the peripheries of the semiconductor chips and the periphery of the rewiring layer, and the second protecting layer is located on the back faces of the semiconductor chip and on the bottom of the first protecting layer. The first protecting layer is formed on the peripheries of the semiconductor chips and the periphery of the rewiring layer, in this way, it can be effectively avoided that external vapor permeates into the low-k medium layer, and the low-k medium layer is more prone to breaking, the low-k medium layer can be stabilized, external force is prevented from damaging the low-k medium layer, no cracks occur on the low-k medium layer during cutting, and then the performance of the packaged chips is ensured.
Owner:SJ SEMICON JIANGYIN CORP

Protection device for hanging hook of crane

The invention discloses a protective device for a crane hook, relates to the technical field of crane equipment, and is used to solve technical problems such as the poor protective effect of the existing crane hook protective device, including a crane beam, a hook slider, a pulley, a double Hook, slider A, slider B and arc protective cover, hook slider is set on the beam of the crane, slider A and slider B are symmetrically arranged at both ends of the hook slider, slider A and slider B The bottom is riveted to fix the arc-shaped protective cover, the bottom of the slider A is equipped with a telescopic link A, the telescopic link A is hingedly connected with the telescopic link a, the end of the telescopic link a is provided with a hemispherical protective cover A, and the bottom of the slider B is provided with a telescopic link B, the telescopic connecting rod B is hingedly connected with the telescopic connecting rod b, the end of the telescopic connecting rod b is provided with a hemispherical protective cover B, the bottom of the hemispherical protective cover A is provided with a magnetic block A, and the bottom of the hemispherical protective cover B is provided with a magnetic block B, the present invention The structure is simple, and the protective cover is set to prevent the end of the hook from being broken due to excessive impact or shaking of the hook.
Owner:弘毅天承知识产权股份有限公司

Faucet locker for baby carriage

The invention discloses a faucet locker for a baby carriage, which comprises a chassis and an upper disk; the upper disk is located at the upper part of the chassis, one end of a fixing frame is fixedly connected with a cross frame rod; both sides of the fixing frame are provided with grooves and grooves are located at the upper part of the chassis; outside of the fixing frame is provided with a protecting cover, one side of the upper disk is fixedly connected with a spring pressing plate; the surface of the upper disk is provided with an alarm device, and the inner part of the upper disk is provided with a contact type sensor, and the contact type sensor is connected with the alarm device. Through a protective cover, the fixed baby carriage is protected, and careless collision between children and the baby carriage lock is avoided; the baby carriage lock can be protected after being fixed; the closing and separating states of the baby carriage lock can be sensed through the contact type sensor; when the baby carriage lock is under a separating state, the alarm device can remind, thus the using safety of the baby carriage is guaranteed, and the chassis is convenient to fix; moreover, the fixation between the chasses is simpler and more firm, the faucet locker is convenient to fix and use the baby carriage lock.
Owner:嘉兴市优贝童车有限公司

Double-effect multistage damage-prevention roller press-grinding device

The invention relates to a double-effect multistage damage-prevention roller press-grinding device. According to the technical scheme, a plurality of slot holes are formed in a processing roller, roller teeth are embedded in the slot holes, springs and sleeves are arranged at the lower parts of the roller teeth, the roller teeth can retract into the slot holes when being subjected to relatively large external force, so that the damage caused by the too large external force to the roller teeth is prevented, and the roller teeth can be kept full; the processing roller is sequentially divided into a plurality of different areas according to the advancing direction of processing materials, each area is internally provided with a corresponding processing plate, the corresponding slot hole, thecorresponding roller tooth, the corresponding sleeve and the corresponding spring, wherein the sleeves and the springs are matched with the roller teeth, the springs in the sleeves in the different areas have different maximum elasticity, and the springs in spring rods in the different areas have different maximum elasticity; and in addition, the springs with the different maximum elasticity can be replaced according to the different processing materials, so that the adaptability of the roller is further improved.
Owner:平湖市超越时空图文设计有限公司

Household water purifying device convenient for installation

The invention discloses a household water-purifying device convenient for installation. The household water-purifying device comprises a water-purifying device body, an indication lamp is arranged atthe surface of the water-purifying device body, a water-receiving head is arranged at the surface of the water-purifying device body, a water inlet is arranged at center of the top of the water-purifying device body, a water outlet is arranged at the center of the bottom of the water-purifying device body, vertical adjusting fixed plates are fixedly arranged at two sides of the water-purifying device body, the vertical adjusting fixed plates comprise a first plate body, and one side of the first plate body is fixedly connected with the side wall of the water-purifying device body. The household water-purifying device can achieve the installation effect of the water-purifying device body, the time for installation of the water-purifying device body is saved, the efficiency is high, the water-purifying device body is fixed conveniently, a contact area between the water-purifying device body and the wall are adjusted, a contact area between the water-purifying device body and the wall isincreased, the length of water-purifying device body can be adjusted according to the on-site condition, and the water-purifying device body can be conveniently arranged, which is convenient for people life.
Owner:WENZHOU QIBANG ENVIRONMENTAL PROTECTION TECH
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