124results about How to "Enough length" patented technology

The invention relates to a method of producing carbon nano-tube yarn, comprising the following steps: providing a plurality of carbon nano-tube arrays; drawing one carbon nano-tube array to obtain a first carbon nano-tube structure; drawing the other carbon nano-tube array to obtain a second carbon nano-tube structure; contacting one end of the second carbon nano-tube structure with one end of thefirst carbon nano-tube structure, which is close to the carbon nano-tube arrays, along the drawing direction to obtain a lengthened carbon nano-tube tube structure; repeatedly contacting one end of the second carbon nano-tube structure with one end of the first carbon nano-tube structure to further lengthen the carbon nano-tube tube structure; and processing the carbon nano-tube tube with organicsolvent to obtain the carbon nano-tube yarn.

The invention provides a temperature cycling test device for an OPPC (optical fiber composite phase conductor) connector box and a test method. The test method is used for studying the performance change of the OPPC connector box at an extremely low temperature and an extremely high temperature so as to ensure safety and stability in operation of the practical engineering. The test device comprises an auxiliary extension optical cable, a high/low-temperature test box and an optical fiber attenuation tester (or optical time-domain reflectometer); and the test method comprises the steps of: splicing and coiling optical fiber in the connector box body, sealing the connector box body, splicing test auxiliary extension OPPC optical cable, configuring the optical fiber attenuation tester, performing an attenuation test method and the like. In the invention, the high/low-temperature test box simulates the dynamically changing external environment for the OPPC connector box so that the temperature range of the high/low-temperature cycling test is flexible and controllable and better conforms to the practical environment; and in the splicing of the test auxiliary extension OPPC optical cable, a long-enough optical fiber channel is provided for the optical fiber attenuation monitoring by connecting the optical fibers in series, thereby ensuring the reliability of the test result.

The invention discloses a dust collector and aims to provide the dust collector, which can effectively collect dust and garbage in any position and at any corner, is high in cleaning capability, can effectively separate garbage, impurities and dust during cleaning to ensure smooth pipeline and avoid damage to the internal structure, prolongs the service life and is good in using stability. The dust collector comprises a dust collector body, a dust cup, a mop and a coiling drum, wherein a motor is placed in a motor shell; an air outlet filtering part is connected with the motor shell; the dust cup is connected with the dust collector body and comprises a cup body, a cup cover and a bottom cover; the cup cover comprises a dust cup outer cover and a dust cup inner cover; an inner sealing ring is arranged between the dust cup inner cover and the cup body; a filter cover, a dust cup filter and a transparent pipe are arranged in the dust cup; a cyclone separator is sleeved with the dust cup filter; a rolling brush is arranged on the mop. The dust collector disclosed by the utility model has the benefit as follows: the functional integration is high, the integration effect is obvious, the internal structure is not easy to block and damage by garbage with large size, the using adaptability is high and the function is complete.

The present invention belongs to the field of tissue engineering and medical material technology, and is especially titanium net with fimbrin coating and its preparation process and application in reconstructing trachea default. The present invention prepares fimbrin-titanium net complex with medical titanium net as support material and fimbrin to form coating. Fimbrin has excellent biocompatibility and can promote the growth of fibroblast and mucosa cell, speed healing, reduce complications. Clinically, the present invention is used in repairing trachea default. The present invention is significant in the research of fimbrin in promoting repair of trachea mucosa, reconstructing trachea default and reducing complications during reconstructing trachea default.

The invention discloses a thermal conductive damping plug-in locking assembly for electronic equipment, and aims to provide a fast locking assembly controllable in force transfer and reliable in locking. The locking assembly comprises a bar sliding block (2) which is mounted on a bar base (1) and can slide, a plurality of oblique cylinders or oblique teeth arranged longitudinally are made on the bar base (1), the same number of oblique holes or oblique slots are formed in the bar sliding block (2), special-shaped elastic elements are mounted between the bottoms of the oblique holes or oblique slots of the bar sliding block and the tops of the oblique cylinders or oblique teeth of the bar base, and the oblique cylinders or oblique teeth on the bar base are inserted into the oblique holes or oblique slots of the bar sliding block; and under the coordination of a fixed limiting block (4) and a limiting block (6) mounted at two ends of the bar base, the bar sliding block is pulled or pushed via a screw (5) connected to the fixed limiting block and the bar sliding block, to drive an outer shell (3) to slide up and down on the bar base. The locking assembly is applicable to fast locking and fixation of an electronic module or a PCBA (Printed Circuit Board Assembly) installed in a case slot of the electronic equipment.

The embodiment of the invention provides an antenna assembly and an electronic device with a curly screen, and the electronic device comprises a mobile phone, a tablet personal computer and other mobile or fixed terminals with antennas. In the electronic device provided by the embodiment of the invention, an antenna radiator is located on a metal top frame or a metal bottom frame of the electronicdevice, and the extension branch knot extends into the electronic device and is connected with the antenna radiator, so the length of the antenna is increased, and the antenna radiation efficiency isensured; the problem that the length of the antenna which can be arranged on the mobile phone is insufficient due to the fact that the metal frame which can be used as the antenna is reduced in the existing mobile phone is solved.

The invention relates to the technical field of thermometers and discloses a surgical safety thermometer, comprising a safety cover and a thermometer body. A touch panel is fixed to the thermometer body. A rack is slidably connected inside the safety cover and is provided with a first wedged groove; the rack is abutted to a first wedge through the first wedged groove; a sector gear is rotationallyconnected inside the safety cover and is coaxially connected with a ratchet wheel, a pawl is slidably connected inside the safety cover, an ejector rod is abutted to the top end of the thermometer body, a fixing block is fixed to the bottom of the thermometer body and is provided with a second wedged groove, a second wedge is slidably connected inside the safety cover and is fitted with a first magnet, an electromagnet is fixed to the safety cover, and a startup mechanism is arranged in the safety cover. Compared with the prior art, the surgical safety thermometer has the advantages that thesafety cover protects the thermometer to ensure that a temperature bulb easily contacts the skin of the patient; the sector gear drives the rack to impact on the touch panel, medical personnel has noneed for shaking the thermometer body with great effort, and thermometer breaking is avoided.

The invention provides a lock cylinder fixed type mechanical anti-theft lock used for safes, and relates to the field of anti-theft locks. The lock cylinder fixed type mechanical anti-theft lock mainly aims at solving the problem that the related patented technology with a lock cylinder fixed type cross mechanical anti-theft lock as the core cannot be directly used together with the large safes ina matched manner. According to the scheme, a cam mechanism in the core technology mentioned above is omitted and is replaced with a lock block capable of reciprocating, the special structure of the lock block has the control effect, the same as that for the cam mechanism, for a lock cylinder set, and a jamming effect can be achieved for a lock bolt drive and transmission device by movably inserting a clamping pin, arranged on the lock drive and transmission device, in the lock block; during unlocking, unlocking is driven through wheel handles of overload protection devices arranged on the safes themselves, and keys can still only be inserted and pulled and cannot be rotated; and the existing patent core technology mentioned above and functions are not changed, the safety performance of the new product is remarkably improved, the lockset structure is substantially simplified, cost is low, and performance is stable and reliable.

A tripod in the present invention comprises: a platform, four feet and a linking part. The platform is used for supporting the tools machine and the top of it, and four feet is used for supporting the platform in the unfolding condition. The linking part comprises the first linking equipment, the second linking equipment, the third linking equipment and the fourth linking equipment, all of which link with four feet separately and connect with the platform. A first linking line is set between the first linking equipment and the second linking equipment for connecting with each other and the third and fourth linking equipment lying in the side of the first line. The stabilizer linking with the first linking equipment is near to the first linking line and far away from the third linking equipment; the stabilizer linking with the second linking equipment is near to the first line and away from the fourth linking equipment.

The invention provides a motor, a compressor and refrigeration equipment. The motor comprises a stator, the stator is provided with a plurality of stator teeth arranged in the circumferential direction of the stator, and a stator slot gap is defined by every two adjacent stator teeth; each coil group comprises a plurality of coils wound on the stator teeth, and each coil correspondingly bypasses one corresponding stator tooth; the rotor is arranged in the stator, the rotor comprises a rotor iron core and a plurality of permanent magnets, a plurality of slots are formed in the rotor iron core,the plurality of slots are circumferentially distributed around the rotating center line of the rotor iron core, and the plurality of permanent magnets are arranged in the plurality of slots; the residual magnetism Br of each permanent magnet at 20 DEG C meets the condition that Br is greater than or equal to 1.2 T; the inner diameter phi si of the stator and the outer diameter phi so of the stator meet the condition that phi si/phi so is larger than or equal to 0.558 and smaller than or equal to 0.576. Motor operation noise reduction.

The invention provides a tunnel access control device, and belongs to the technical field of tunnel safety. The tunnel access control device includes a supporting base, a blocking device and an abutting member. The blocking device includes a blocking member and a driving mechanism. The blocking member comprises a fixed body and a moving body, the fixed body is rotatably connected with the supporting base, and the moving body can move relative to the fixed body to enable the blocking member to extend or shorten. The driving mechanism is used for driving the moving body to move relative to the fixed body. The abutting member is fixed to the supporting base, and when the moving body moves relative to the fixed body to enable the blocking member to shorten, the moving body can be in contact with the abutting member to push the fixed body to rotate upwards relative to the supporting base. When the tunnel access control device is opened, the center of gravity of the blocking device is movedback, so that the blocking device is ensured to be with a sufficient length at the blocking position, and the driving force required for the blocking device to rotate upwards is reduced.

The invention discloses a preparation method of a zinc telluride single crystal, and aims to solve the technical problem that the zinc telluride single crystal prepared through the existing method is low in quality. The technical scheme is that the preparation method comprises the following steps: putting a high-purity tellurium elementary substance and a synthesized zinc telluride polycrystal raw material into a quartz crucible for fused sealing under high vacuum; then putting the quartz crucible into an ACRT (Accelerated Crucible Rotation Technique) type five-temperature-region crystal growth furnace; firstly, heating the furnace at a certain heating rate, thus obtaining a preset temperature field, preserving the heat for a period of time, and cooling the crucible at a rate of 0.1 to 0.2 mm/h, wherein the temperature gradient for crystal growth is 10 +/- 1 DEG C/cm and the crystallizing temperature is 1,060 +/- 1 DEG C; and under a condition of keeping the temperature field in a growth process unchanged, after the crystal grows, cooling the crucible at 3 DEG C/h for 50 hours, then cooling the crucible at the rate of 5 DEG C/h for 100 hours, and finally turning off a power supply for furnace cooling. According to the preparation method, the ZnTe crystal with an enough length and high crystallizing quality is obtained.

The invention provides a glass cover plate and a manufacturing method thereof and an optical fingerprint sensor. The glass cover plate comprises a glass substrate; a modified area which is arranged in the glass substrate, wherein the thickness of the modified area is less than that of the glass substrate and the surface of the modified area is partial surface of the glass substrate; and multiple total reflection paths which are arranged in the modified area and perpendicular to the surface of the glass substrate and penetrate through the modified area. The modified area of the glass cover plate has high light transmittance and mechanical strength.

The invention discloses an ionization chamber of a photoionization gas detecting instrument based on a printed circuit board process, which is formed by placing two electrode plates which are the same completely in an overlapped way. The thickness of the ionization chamber of the photoionization gas detecting instrument based on the printed circuit board process is the sum of the thicknesses of the two electrode plates; each electrode plate comprises three welding pads; the three welding pads are respectively provided with a first through hole, a second through hole and a third through hole; the back surfaces of the two electrode plates are in contact with each other; the two electrode plates are mechanically fixed and electrically connected by respectively placing one contact pin in the first through hole, the second through hole and the third through hole; one contact pin is connected with an offset electrode; another contact pin is connected with a collecting electrode; and the third contact pin is grounded. By using the ionization chamber of the photoionization gas detecting instrument based on the printed circuit board process, a small enough volume is guaranteed, and an enough optical path length is also ensured, so that the gas entering the ionization chamber is adequately ionized.

The invention discloses a universal wheel. The universal wheel comprises a universal wheel bottom plate (1) and universal wheel bodies (2), wherein universal wheel supports (4) are fixed at the bottom of the universal wheel bottom plate (1), and the universal wheel bodies (2) are fixed between the universal wheel supports (4); the universal wheel is characterized by also comprising a support plate (3) and a mounting shaft (5) fixed on the universal wheel supports (4), at least three universal wheel bodies are provided, and are matched on the support plate (3) in a rotating manner, the support plate (3) is matched on the mounting shaft (5) in a rotating manner, and the mounting shaft (5) is detachably connected with the universal wheel bottom plate (1). The invention provides the universal wheel which is simple in structure, high in reliability, convenient to assembly and disassembly, and adjustable in height and can easily pass over a barrier.