112results about How to "Guaranteed Cooling Requirements" patented technology

The invention provides control device and method of a cooling fan of an ATCA (Advanced Telecom Computing Architecture) system. The device comprises temperature sensors, a gusset plate IPMC (Ionic Polymer-Metal Composite) connected with the temperature sensors, and an SHMC (Shelf Management Controller) connected with the gusset plate IPMC, wherein the temperature sensors are used for measuring the temperature values of the areas where the temperature sensors are arranged and transmitting the temperature values to the gusset plate IPMC; the gusset plate IPMC is used for determining the states of the temperature sensors according to the temperature values of the temperature sensors on the gusset plate IPMC and temperature threshold values, determining single-plate temperature states and sending a state change report message to the SHMC according to the changes of the single-plate temperature states, and each temperature sensor at least comprises two temperature threshold values; and the SHMC is used for controlling the speed of the cooling fan according to the state change report message. By adopting the device and the method, the optimal control on the cooling fan can be realized, and energy saving control and noise reduction are realized while the cooling requirement of the system is guaranteed.

The invention discloses a TC16 titanium alloy bar temperature control continuous rolling method. An electromagnetic induction heating device and a cooling bellows device are added on a titanium alloy bar continuous rolling production line to conduct online compensation heating and spraying cooling on titanium bars respectively in due time to conduct effective temperature control continuous rolling on rolled pieces in continuous rolling production. Various parameters in the TC16 titanium alloy bar continuous rolling process are optimized and set, a speed control continuous rolling process is adopted, large deformation heat caused by resistance to deformation in the titanium bar rolling process is reasonably reduced, and the rolled titanium bars meet the tissue and performance requirements. By reasonably controlling a temperature field of the whole continuous rolling process, the titanium alloy bars of the specification that phi ranges from 6 to 30mm can be rolled, and product tissues and performance both meet the requirement. The temperature control continuous rolling method is applicable to small scale TC16 titanium alloy bar industrial production and can effectively reduce TC16 titanium bar deep machining cost.

The invention discloses an LED bulb lamp which comprises an optical lens, a heat dissipating body, a driver, an LED light source, a lamp head, and a lamp seat. The LED bulb lamp is characterized in that the optical lens is arranged at one end of the heat dissipating body, the lamp seat is arranged at the other end of the heat dissipating body, the driver is arranged in an inner cavity of the lamp seat, the outer end of the lamp seat is connected with the lamp head in a riveting mode, and the LED light source is arranged on the inner surface of the heat dissipating body at the lower end of the optical lens. The LED bulb lamp can greatly improve luminance, enables a main illuminating face to be clearer in focus, increases a light illuminating area, increases a lighting face, eliminates glare, improves visual effect, and eliminates visual fatigue. The LED bulb lamp saves energy, protects the environment, and is long in service life and free of stroboflash.

The invention provides a back frame of a flat display device, comprising at least two main splicing pieces, auxiliary splicing pieces and an adjustable bracket; the at least two main splicing pieces are connected in a splicing way to form a main frame of the back frame, and the auxiliary splicing pieces are spliced with the main frame; the main frame is made of different materials at different positions of the main splicing pieces according to actual application; and the back frame is also provided with a bracket fixed together with the main splicing pieces or the auxiliary splicing pieces, and at least two selectable fixed points are arranged between the bracket and each main splicing piece or each auxiliary splicing piece so that the bracket is selectively arranged at different positions of the back frame. The invention also provides a backlight system. The back frame and the back frame of the backlight system provided by the invention are simple in structure, the cost of a back frame mould can be reduced, and the material of the back frame can be saved so that the cost of the flat display device can be reduced and different installation requirements can be met.

The invention relates to a photoetching projection objective environment collection control system and a control method thereof, belonging to the field of photoetching projection objective control. The photoetching projection objective environment collection control system comprises a control machine box, a collection driving machine box, an analog-to-digital conversion machine box, multiple actuators and multiple sensors, wherein an optical fiber communication board card is connected with an environmental control algorithm board card through an optical fiber transmission link; an environment collection driving board card is connected with an analog-to-digital conversion board card or an interface conversion card through a digital signal transmission link, and the environment collection driving board card is connected with the multiple actuators through a driving signal transmission link; the analog-to-digital conversion board card is connected with the multiple sensors through a low-voltage analog signal transmission link; the multiple actuators are arranged in a photoetching machine environment cabinet; the multiple sensors are arranged on a photoetching projection objective. According to the photoetching projection objective environment collection control system disclosed by the invention, the regulation time of every regulation is shortened, the accuracy of environmental parameter regulation is ensured, the response time is shortened and the integral property of the photoetching projection objective and a photoetching machine can be ensured.

The invention discloses an air conditioner. The air conditioner comprises a compressor, an outdoor heat exchanger, an indoor heat exchanger, an outer machine throttle valve, an inner machine throttle valve, a first throttle valve, a second throttle valve, a cooling device and a heat exchanger assembly, wherein the compressor is provided with an exhausting port and an air return port; the first throttle valve is connected with the second end of the outer machine throttle valve and the second throttle valve; the second throttle valve is connected with the air return port; the cooling device is used for cooling an electrical controlling device and is in series connection between the first throttle valve and the second throttle valve; and the heat exchanger assembly comprises a first part and a second part, wherein the first part is in series connection between the cooling device and the second throttle valve, and the second part is in series connection between the second throttle valve and the air return port. According to the air conditioner, not only is the cooling requirement of the electric controlling device guaranteed, but also the condensation phenomenon on the surface of the cooling device is avoided, the structure of the electric controlling device is simplified, and cost is reduced.

The invention discloses a dehumidifying and cooling system of an offshore wind generating set, comprising a circulating pump, a filtering device, a radiating device, a heating part, a tee-joint magnetic valve and a expanding tank, which are arranged in an engine cabin, connected in sequence end to end and form a loop; a temperature detecting device and a pressure detecting device are sequentially arranged on a pipeline connected between the radiating device and the heating part; the system also comprises a steam compressing refrigerating unit which comprises a throttling element, a first evaporator, a second evaporator and a compressor which are arranged in the engine cabin, as well as a condenser arranged in sea water; the throttling element, the first evaporator, the second evaporator, the compressor and the condenser are connected in sequence to form a loop; and two ends of the second evaporator are further connected with the tee-joint magnetic valve and the expanding tank respectively. As the refrigerating output of the refrigerating unit is large, the heating capacity of a wind generating unit can be radiated rapidly, so that the cooling requirement of an MW-stage wind generating unit with larger heating capacity is ensured, and the system is applicable to the development and the application of a wind power generation unit with larger capacity.

The invention provides an air volume control system for a cooling fan of a radiator. The air volume control system comprises a fan motor and a fan control module, wherein the fan control module is arranged on the circuit of the fan motor and is powered by a relay controlled by a start key; the fan control module receives a temperature signal sent by a motor controller through a CAN; a temperature sensor is arranged on each of the motor controller and the motor; and the motor controller receives a signal from the temperature sensor, processes the received signal and then outputs a feedback signal through the CAN to the fan control module, and the fan control module controls the rotational speed of the fan motor through duty cycle PWM so as to control the rotational speed of the fan. The air volume control system reduces the consumption of electric energy while guaranteeing the heat dissipation demand of the complete vehicle, and therefore, increases the endurance mileage of the vehicle.

The invention discloses an anti-waterlogging distribution box capable of preventing flood disaster and guaranteeing electricity utilization, which comprises a distribution box body and a distribution foundation. The distribution box body is arranged on the distribution foundation, the distribution foundation is a platform which is higher than surface of earth, a waterproof cover is arranged outside the distribution box, the waterproof cover is a three-dimensional container with an opening at the bottom surface, contour of the waterproof cover is matched with that of the distribution box body, the waterproof cover covers the distribution box, so that the distribution box is positioned inside an inner cavity of the waterproof cover, and the bottom of the waterproof cover is provided with a water inlet channel. When water level exceeds the distribution foundation during flood, the bottom of the waterproof cover serves as the water inlet channel of the waterproof cover. The waterproof cover forms a sealed space after the opening of the waterproof cover is submerged by water. The invention also discloses a buried transformer station with the anti-waterlogging distribution box. The waterproof cover forms the sealed space when water enters the waterproof cover. When air pressure in the sealed space is equal to sum of external atmospheric pressure and water pressure, the water level in the waterproof cover maintains at a certain level and stops rising. Therefore, external flood is held back and the distribution box is capable of operating while being immersed in water.

The invention discloses a two-way water circulating system of a silent type generator set. A water cooling radiator is provided with a first water inlet, a first water outlet, a second water inlet and a second water outlet which are all communicated with a radiator cooling water cavity; the first water outlet, a cooling water cavity of a water cooling engine, a cooling water cavity of a water cooling silencer and the first water inlet are sequentially connected to form a first water circulating system; and the second water outlet, a second water pump, a cooling water cavity of a water cooling variable frequency voltage stabilizer, a cooling water cavity of a water cooling motor and the second water inlet are sequentially connected to form a second water circulating system. All main heating parts of the generator set adopt a water cooling mode, and two water circulating systems are divided according to the working characteristics of the generator set; the first water circulating system is a high-water temperature circulating system, and the second water circulating system is a low-water temperature circulating system, so that the cooling requirements of all main heating parts of the set are satisfied, the optimal noise reducing effect of the set is achieved, the working reliability of the set is guaranteed, and the service life of the set is prolonged.

The invention provides a double-circulation type overhead heat pipe micro-module. According to the micro-module, an outdoor cooling unit adopts a design of double natural cooling module and a double outdoor cooling system, a plurality of different condensation supply modes such as air cooling, water spraying evaporation, compression refrigeration, chilled water cooling are provided, in the plurality of condensation modes, the air cooling which is a natural cooling mode is preferentially used, the water spraying evaporation, the compression refrigeration or the chilled water cooling are as a supplementary, and the overall heat discharge capacity of the micro-module and the redundant heat discharge requirements are guaranteed while a natural cooling source is fully utilized. An outdoor cooling loop adopts a mutual backup mode, wherein a first heat exchange loop and a second heat exchange loop mutually back up, any one of the two loops can be selected to operate or the two loops can operate simultaneously; a third heat exchange loop and a fourth heat exchange loop mutually back up, any one of the two loops can be selected to operate or the two loops can operate simultaneously; and when one set of heat exchange loop breaks down, the other set of heat exchange loop normally operates, so that the normal operation of one of two opposite overhead heat pipes can be guaranteed, and the heat dissipation supplement requirements of machine cabinets and the uniform heat dissipation requirements of the micro-module are guaranteed.

The invention discloses a refrigerating mechanism used for cooling of the interior of a vehicle headlamp assembly. The refrigerating mechanism comprises a semiconductor refrigerating piece installed on a shell or an overhaul hole cover plate of the vehicle headlamp assembly; the cold face of the semiconductor refrigerating piece faces the interior of the vehicle headlamp assembly and is connected with a cold dissipating piece; the hot face of the semiconductor refrigerating piece faces the exterior of the vehicle headlamp assembly and is connected with a cooling piece; and the cold dissipating piece and the cooling piece are connected with cold dissipating fins and cooling fins correspondingly. The refrigerating mechanism used for cooling of the interior of the vehicle headlamp assembly is reasonable in structure and convenient to install and use; a semiconductor refrigerating mechanism is additionally arranged on the headlamp assembly shell, the temperature difference is formed between the interior and the exterior of the vehicle headlamp assembly, the cooling requirement of an LED headlamp is effectively guaranteed, and the normal work and service life of the LED headlamp are guaranteed.

The invention provides a power heat pipe inter-column air conditioning system. Odd-numbered positions of first columns and even-numbered positions of second columns of heat pipe inter-column air conditioners are connected to a water-fluorine heat exchange host I; and even-numbered positions of the first columns and odd-numbered positions of the second columns are connected to a water-fluorine heatexchange host II. By adopting the system double backup mode, when one set of heat exchange loop fails, the other set of heat exchange loop operates normally, one of the two opposite heat pipe inter-column air conditioners can operate normally, and the heat dissipation requirements of adjacent cabinets can be ensured; a refrigerant pump is used for driving a refrigerant to flow, the application range is wide, the refrigerant pump is especially suitable for solving the problem that a conventional gravity heat pipe cannot reach the height difference between a condensation end and an evaporationend or driving force is insufficient due to a too long system connection pipe; and by adopting a monitoring system, all system data can be uploaded to a system upper computer, and various functional indicators can be conveniently monitored and adjusted in time.

The invention relates to a barrel of a rotary water-spraying cooling device. The barrel comprises a cooling water nozzle, a water retaining plate, a water retaining hood, a barrel, wheel belts, wheel belt gaskets and a water cooling box. The wheel belts are arranged at two ends of the excircle of the barrel through the plurality of wheel belt gaskets, the water retaining hood is arranged at two sides of the wheel belts, the cooling water nozzle is mounted on the water inlet side of the water retaining hood, the water retaining plate is mounted on the other side of the water retaining hood, and the water cooling box is arranged below the barrel. The barrel provided by the invention is simple in structure and good in cooling effect, cooling water is recycled; the steel manufacture consumption, cost and energy power consumption can be reduced; the operating rate and reliability of equipment are improved, and the product quality is improved.

The invention belongs to the technical field of high-speed wind tunnel test equipment, and discloses a continuous wind tunnel airflow temperature cooling method. The cooling method comprises the following steps: opening the heat exchange equipment; a circulating water system is started, and an open water way and a closed water way are started in sequence; starting the continuous wind tunnel; the hot air flow and the cold air flow circulate in the tunnel body loop, and a wind tunnel test is carried out; and after the wind tunnel test is finished, sequentially closing the circulating water system and the heat exchange equipment. According to the cooling method, an open water way and a closed water way are combined, so that the cooling requirement of a narrow water flow channel can be met, and the construction, operation and maintenance cost can be reduced; and the comprehensive requirements of high power, wide working condition and high precision of the continuous wind tunnel can be met. And a reference scheme can be provided for airflow cooling of similar backflow type experimental equipment, and the device can be popularized and applied to the technical field of cooling and temperature adjustment of high-temperature air in a backflow shell.

The invention provides a flat-panel display device which comprises a backlight system and a display panel. The backlight system comprises a light source, a dodging mechanism and a back frame, wherein the back frame is used for bearing the light source and the dodging mechanism; the liquid equalizing mechanism is used for introducing light from the light source into the display panel; the back frame comprises at least two main splicing members which are spliced to form a main framework of the back frame; one of the at least two main splicing members is a main splicing member provided with a heating source; the main splicing member provided with the heating source has first heat-transmission capacity; other one or more main splicing members with no heating source in at least two main splicing members have second heat-transmission capacity; and the first heat-transmission capacity is greater than the second heat-transmission capacity. The invention also provides a stereoscopic display device and a plasma display device. According to the invention, a back frame die has a simple structure, so that the cost of the back frame die can be reduced; in addition, the material of the back frame is saved, so that the cost of the flat-panel display device is reduced.

The invention relates to the technical field of motors, in particular to a combined type motor which comprises a base, an outer shell and a motor body, the outer shell is distributed in a cylindrical structure and fixedly connected to the outer surface of the motor body in a sleeving mode, and the base is arranged under the motor body. The adjacent faces of the outer shell and the base are of a plane rectangular structure and are correspondingly distributed, and supporting mechanisms are correspondingly arranged at the corners of the peripheries of the outer shell and the base respectively. According to the invention, the driving assembly and the cooling assembly are designed to cooperate with the spacers spirally distributed in the outer shell to form a circulating cooling mechanism for long-term heat dissipation and cooling of the motor body, and the cooling water is recycled, so that the cooling water can be alternately replaced with external cooling water in a flowing manner through the driving assembly. The cooling requirement of the motor body in a long-time working state is effectively met, meanwhile, the exchanged cooling water with a certain temperature can be further cooled as soon as possible through the cooling assembly, and the sufficient recycling requirement of the cooling water is met.