33results about How to "Avoid heat effects" patented technology

A physical quantity detecting device includes a metal block (a holding section) having six surfaces, inclination detectors (physical quantity detectors) respectively arranged on selected three surfaces among the six surfaces, an electronic component electrically connected to the inclination detectors, and a heat insulating material (a heat-conduction reducing section) present between the metal block and the electronic component and having thermal conductivity smaller than the thermal conductivity of the metal block.

A surface coated cutting tool comprises a substrate and a hard layer formed on the surface of the substrate, and a contact angle of water θ on the rake face of the hard layer is in the range of 30 to 80°. A surface coated cutting tool comprises a substrate and a hard layer formed on the surface of the substrate, and a contact angle of water θR on the rake face of the hard layer and a contact angle of water θF on the flank face of the hard layer have a relation of θR<θF. Thereby, excellent resistance to wear and fracture can be shown, leading to a excellent surface coated cutting tool.

A semiconductor device manufacturing apparatus according to the present invention comprises a head for holding a semiconductor wafer, a retainer ring for surrounding the outer periphery of the semiconductor wafer held by the head, and a polishing pad for polishing a polished surface of the semiconductor wafer. This apparatus presses the polished surface of the semiconductor wafer against the polishing pad together with the retainer ring to polish the semiconductor wafer. The retainer ring used in the present invention has a surface that is in contact with the polishing pad, which increases a contact area of the retainer ring against the polishing pad in accordance with wear of the retainer ring.

A stage apparatus includes a stage, a repulsive force generating unit including a first magnet provided on the stage and a second magnet provided to face the first magnet at an end of the moving stroke of the stage, a driving unit which drives the stage within the moving stroke of the stage, and a brake unit which includes an eddy current generating member arranged so as to suppress the movement of the first magnet.

A semiconductor device manufacturing apparatus according to the present invention comprises a head for holding a semiconductor wafer, a retainer ring for surrounding the outer periphery of the semiconductor wafer held by the head, and a polishing pad for polishing a polished surface of the semiconductor wafer. This apparatus presses the polished surface of the semiconductor wafer against the polishing pad together with the retainer ring to polish the semiconductor wafer. The retainer ring used in the present invention has a surface that is in contact with the polishing pad, which increases a contact area of the retainer ring against the polishing pad in accordance with wear of the retainer ring.

The invention provides a switching overvoltage suppression device. The device comprises a main switch circuit, a closing damping circuit and a voltage sharing circuit; the main switch circuit is connected in parallel with the closing damping circuit and the voltage sharing circuit. The device is characterized in that a protecting circuit is also connected in parallel for protecting from overvoltage; a sampling unit and a transmission unit are arranged to sample and transmit data. According to the switching overvoltage suppression device, a multi-closing switch structure is adopted to reliably prevent the influence caused by the heating of single closing switch; a parallel connecting protecting device is adopted to prevent the device from being damaged by overvoltage; a monitoring device is adopted to monitor the suppression device and confirm the working state of the suppression device; therefore, the device has the reliability and stability for ensuring long-term running.

Provided are a reinforcement cage manufacturing device and method. The reinforcement cage manufacturing device comprises a frame and a power supply motor arranged on the frame. A rotary barrel is arranged on the frame, and a wire feeding mechanism and a movable frame which match the rotary barrel are arranged on the frame. The rotary barrel is rotatably arranged on the movable frame, a sliding groove matching the movable frame is arranged on the frame, and the lower portion of the movable frame is arranged in the sliding groove in a sliding mode. The wire feeding structure comprises two rotary wheels and a straightening wheel, the rotary wheels and the straightening wheel are arranged in a T shape, and the rotary wheels and the straightening wheel are driven by a discharge motor to rotate. When a reinforcement cage is manufactured, reinforcing steel bars and the rotary barrel are fixed, and whether the reinforcing steel bars are straightened through the straightening wheel or not is selected according to the condition of the reinforcing steel bars. Then, a power source is started, and the rotary barrel transversely moves while rotating. The reinforcing steel bars are wound on the rotary barrel, and the reinforcement cage is formed. The device is compact in structure and very convenient to use, and the wound reinforcement cage is good in coaxiality, and meets the processing and manufacturing standard of national construction reinforcing steel bars. By means of the adopted method and parameters in method, the running efficiency of the device can be improved, and electric energy can be saved. Meanwhile, the wound reinforcement cage is compact, and the satisfaction degree of clients is improved.

The invention relates to ab electronic device and a temperature measurement structure and a key thereof. The temperature measurement structure is applied to the electronic device, the electronic device comprises a shell and a control device arranged in the shell, the temperature measurement structure comprises a heat insulation shell and a temperature detection device, the heat insulation shell isused for isolating heat in a non-detection direction, the temperature detection device is arranged in the heat insulation shell, a detection end of the temperature detection device is exposed outside, and the detection end of the temperature detection device does not face a human body contact side of the shell and / or the detection end of the temperature detection device does not face the direction of a heating element of the electronic device. The temperature measurement structure is advantaged in that external heat can be well transmitted to the detection end of the temperature detection device, the influence of the human body temperature and heating of the electronic device can be avoided, and therefore accuracy of environment temperature collection of the temperature measurement structure is improved.

The invention provides a Chinese medicine composition as well as a preparation method and application thereof. The Chinese medicine composition is a medicament which is prepared from the following raw materials in parts by weight: 35-45 parts of astragalus mongholicus, 6-9 parts of Chinese angelica, 35-45 parts of prepared rehmannia roots, 5-10 parts of Chinese herbaceous peony, 2-8 parts of ligusticum, and 5-10 parts of lithospermum. The preparation method of the Chinese medicine composition comprises the following steps: weighing the raw materials to be smashed, and extracting percolate with ethanol solutions of different concentrations; collecting the percolate, reducing the pressure, concentrating the percolate into extract after the ethanol solutions are recovered, carrying out the chromatography, the separation and the purification with macroreticular resin PHD 100, collecting and compounding eluant, filtering the eluant, adding cyclodextrin, Opadry and colloidal silicon dioxide into the filtrate to be sufficiently and uniformly mixed, carrying out spray drying to obtain dry paste powder, adding glyceryl behenate into the dry paste powder to be uniformly mixed, carrying out filling and polishing, and packaging the resultant with aluminium-plastic to obtain capsules. The Chinese medicine composition provided by the invention is used for treating qi and blood deficiency syndromes as well as alopecia caused by qi and blood deficiency syndromes or chemotherapies.

The invention discloses Angelica sinensis and astragalus membranaceus blood-enriching granules and a preparation method thereof. The preparation method comprises the following steps: (1) soaking radix astragali decoction pieces and wine radix angelicae sinensis in water, then carrying out reflux extraction, and collecting aromatic water in the extraction process, so as to obtain an extract solution and aromatic water; (2) concentrating the extract solution under reduced pressure to obtain a concentrated solution; (3) uniformly mixing the concentrated solution with aromatic water, and performing spray drying to obtain spray-dried powder; and (4) uniformly mixing the spray-dried powder with auxiliary materials, and performing dry granulation to obtain the angelica sinensis and astragalus membranaceus blood-enriching granules. The aromatic water is collected by adopting a condensing device in the extraction process, so that the volatilized ligustilide is retained, and the aromatic water is directly added back into the concentration device for drying and granulating, so that the loss of the volatile component ligustilide is avoided to a greater extent, the retention rate of the ligustilide is increased from 0-1% to more than 40%, and the quality of the ligustilide is improved. Effective utilization of water-soluble components and volatile components is effectively guaranteed, and it is guaranteed that the angelica sinensis and astragalus membranaceus blood-enriching soup granules effectively exert the clinical effect.

The invention relates to the field of power distribution cabinets, and discloses a combined photovoltaic power distribution cabinet. By driving the motor to run, two extension pistons are driven to reciprocate up and down in the extension cylinder, and always keep the opposite movement, which can ensure the heat dissipation of the installation plate. Air intake treatment is always maintained around the surrounding area, and with multiple wind-dispelling plates below, the drainage type gas circulation is realized, and then the orderly circulation of the air is ensured, the gas flow rate is improved in disguise, and the heat dissipation mounting plate and its surface electrical components are accelerated. The cooling rate improves the cooling effect. By extending the piston, the gas is discharged into the U-shaped tube, so that the gas is cooled by the exhaust pipe and the cooling water in the U-shaped tube, and then discharged into the cabinet through the discharge pipe, thereby completing the rapid water cooling of the gas. , In addition, the cold air is discharged to the upper end of the cabinet, and the cooling efficiency of the gas in the cabinet is further improved due to the expansion of the hot gas at the bottom and the exchange of cold gas.

The invention discloses a composite water-absorbing heat-sensitive paper, which comprises a heat-sensitive coating, a base material and a protective layer, the heat-sensitive coating is arranged on the upper end of the base material, and the protective layer is arranged on the upper end of the heat-sensitive coating. The protection layer includes an ultraviolet layer and a waterproof layer, a heat-conducting silica gel layer is arranged between the heat-sensitive coating and the protection layer, a water-absorbing layer is arranged at the bottom of the substrate, and a preparation method of the material is provided. The heat-sensitive paper of the invention adopts a heat-sensitive coating with a composite structure and has a good isolation effect, and is provided with a water-absorbing layer inside to have a good water-absorbing effect, and simultaneously provides a preparation method, which is simple, quick, and less polluting.

The invention belongs to the technical field of electric heater equipment, particularly relates to a metal PTC (Positive Temperature Coefficient) electric heater, and aims to solve the problems of non-uniform heat dissipation and low heat dissipation efficiency in the heat dissipation process of a heater outer frame due to the fact that a heat dissipation fan of an existing electric heater is fixedly arranged. According to the scheme, the electric heater comprises a shell, and a plurality of electric heater bodies are fixedly installed in the shell. A plurality of cooling fins are fixedly installed on the two sides of each electric heater body, two vertical plates are fixedly installed on one side of the shell, the sides, close to each other, of the two vertical plates are fixedly connected with the same connecting shaft, and the outer side of the connecting shaft is rotationally sleeved with a sleeve. A motor and a transverse plate are fixedly installed on the side, close to the shell, of the sleeve, and one end of a worm is fixedly connected to an output shaft of the motor. The electric heater is reasonable in structural design, the cooling fan blades are driven to rotate and swing at the same time, so that waste heat in the shell of the electric heater is quickly blown away, and the service life of the electric heater is prolonged.

A microscope apparatus includes: a sample setting unit in which a sample is set; an imaging unit configured to image the sample set in the sample setting unit; a housing unit on which the sample setting unit is arranged, and which is configured to internally accommodate the imaging unit; a first light source configured to irradiate light for fluorescence excitation on the sample in the sample setting unit; a first cover configured to be movable to a first position that covers the sample setting unit and a second position that opens the sample setting unit; and a second cover configured to be movable within the first cover; and a second light source arranged in a space covered with the second cover and configured to irradiate light on the sample in the sample setting unit.

The invention discloses a cooling test assembly unit and aging cooling equipment, and relates to the technical field of chip test.The test assembly unit comprises a box body, a cover plate, a cooling assembly, a protection plate and an electric connection assembly, the box body is a sealed cavity with an opening in one side, and the cover plate is hinged to the opening side of the box body to achieve opening and closing of the opening; the cooling assembly is mounted on the inner side of the sealing cavity; the protection plate is assembled above the cooling assembly, and a gap for assembling a to-be-detected piece is reserved between the bottom surface of the protection plate and the top surface of the cooling assembly; the electric connection assembly is installed on the side surface of the cooling assembly and is connected and conducted with the to-be-detected piece. The aging cooling equipment comprises the cooling test assembly unit. The technical problem that in the prior art, aging equipment cannot meet the aging test requirement of a high-power optical chip is solved.

The invention belongs to the field of motors, and particularly relates to a compact motor with a high protection level. The compact motor comprises a base, wherein a movable plate is mounted at the top of the base, a lantern ring is fixedly connected to the top of the movable plate, and the lantern ring fixedly sleeves the outer wall of the motor. The motor can be driven to be transversely adjusted by rotating a first lead screw, and meanwhile, the motor can be driven to be longitudinally adjusted by rotating a second lead screw, so that after the motor is installed, the position of the motoris finely adjusted in all directions, the motor can be connected with equipment more tightly and accurately, and adjustment is convenient and rapid.

A microscope apparatus includes: a sample setting unit in which a sample is set; an imaging unit configured to image the sample set in the sample setting unit; a housing unit on which the sample setting unit is arranged, and which is configured to internally accommodate the imaging unit; a first light source configured to irradiate light for fluorescence excitation on the sample in the sample setting unit; a first cover configured to be movable to a first position that covers the sample setting unit and a second position that opens the sample setting unit; and a second cover configured to be movable within the first cover; and a second light source arranged in a space covered with the second cover and configured to irradiate light on the sample in the sample setting unit.

The invention provides a Chinese medicine composition as well as a preparation method and application thereof. The Chinese medicine composition is a medicament which is prepared from the following raw materials in parts by weight: 35-45 parts of astragalus mongholicus, 6-9 parts of Chinese angelica, 35-45 parts of prepared rehmannia roots, 5-10 parts of Chinese herbaceous peony, 2-8 parts of ligusticum, and 5-10 parts of lithospermum. The preparation method of the Chinese medicine composition comprises the following steps: weighing the raw materials to be smashed, and extracting percolate with ethanol solutions of different concentrations; collecting the percolate, reducing the pressure, concentrating the percolate into extract after the ethanol solutions are recovered, carrying out the chromatography, the separation and the purification with macroreticular resin PHD 100, collecting and compounding eluant, filtering the eluant, adding cyclodextrin, Opadry and colloidal silicon dioxide into the filtrate to be sufficiently and uniformly mixed, carrying out spray drying to obtain dry paste powder, adding glyceryl behenate into the dry paste powder to be uniformly mixed, carrying out filling and polishing, and packaging the resultant with aluminium-plastic to obtain capsules. The Chinese medicine composition provided by the invention is used for treating qi and blood deficiency syndromes as well as alopecia caused by qi and blood deficiency syndromes or chemotherapies.

The invention provides a novel electric heating structure of a hair drier. According to the technical scheme, the electric heating structure is characterized in that the electric heating structure comprises a base, a rotating motor and a conductive plate, the rotating motor is inserted into the base, an electrode plug is arranged at the top of the rotating motor, an electrode contact is arranged at the lower end of the conductive plate, the electrode plug and the electrode contact are connected in an inserted mode and match each other, and the outer end of the conductive plate is sleeved with a conductive heating assembly.

The steel cage manufacturing equipment and method include a frame and a power transmission motor arranged on the frame. The upper matching mobile frame is provided with a chute, and the lower part of the mobile frame slides in the chute; the wire feeding structure includes two runners and a straightening wheel. The straight wheel rotates under the drive of the discharge motor. When making a reinforcement cage, fix the reinforcement and the drum to choose whether to go through the straightening wheel to straighten according to the condition of the reinforcement; then turn on the power, and move laterally while the drum rotates, and the steel bars wind around the drum to form a reinforcement cage. The equipment described in the present invention has a compact structure and is more convenient to use. The coaxiality of the steel cage produced by winding is better, which meets the national standards for processing and manufacturing steel bars for construction; the method used and the parameters therein can improve the operating efficiency of the equipment, It saves electric energy, and at the same time winds a tight steel cage to improve customer satisfaction.

To suppress the influence of heat from an interface part on temperature control of a separation column and also to suppress the influence of room temperature fluctuation outside a main body. A gas chromatograph (1) includes a main body (2) having internal space, a column cartridge (4) disposed in the internal space of the main body (2) and including a case (20), a heater (18) and a separation column (16) for separating components in sample gas, the separation column being accommodated in the case (20) together with the heater (18), and the case (20) being provided with an intake port (26) through which air for cooling the separation column (16) is taken into the case (20), a sample gas supplier (6) for supplying a sample gas to the separation column (16), the sample gas supplier (6) being attached to the main body (2), and being fluidly connected to an inlet of the separation column (16), a detector (8) for detecting components separated in the separation column (16), the detector (8) being attached to the main body (2) and being fluidly connected to an outlet of the separation column (16), an interface part (10) adjusting a temperature of pipes (22; 24) connected to the inlet and the outlet of the separation column (16) in the internal space of the main body (2), a first fan (12) for supplying outside air of the main body (2) into the case (20) of the column cartridge (4) via the intake port (26), and a second fan (14) which is different from the first fan (12), and is for cooling an outer surface of the case (20) of the column cartridge (4) by blowing outside air if the main body (2) to an outer surface of the case (20) of the column cartridge (4).

The invention relates to the technical field of liquid crystal displays, in particular to a backlight module convenient to dissipate heat and a liquid crystal display. The backlight module comprises an enclosure, wherein a liquid crystal display screen and a backlight panel are fixedly connected with an inner side of the enclosure and are arranged in a front-back way, first sliding grooves are formed in front ends of inner sides of a left end surface and a right end surface of the enclosure, a sliding block is connected with an inner side wall of the first sliding groove in a left side in a sliding way, a brush is rotatably connected with a right end surface of the sliding block, a groove is formed in a front end of an inner side of a bottom end surface of the enclosure, the brush is arranged at an inner side of the groove, a first rack and a fixed box are arranged at an inner side wall of the first sliding groove in a right side and are arranged in a left-right way, and the first rackis fixedly connected with the enclosure. By arrangement of the brush, upward and downward moving can be simultaneously performed during rotation in a way of matching a 280 motor, a first gear, the sliding block and the first rack, so that cleaning of the liquid crystal display screen is achieved very well, and the influence of dust on heat generation of the liquid crystal display is prevented.