43results about How to "High or low temperature" patented technology

The invention provides a rear end water mixing type gas water heater and a control method thereof. The rear end water mixing type gas water heater comprises a controller, a water inlet pipe, a water flow sensor, a heat exchanger, a hot water inlet pipe, an outlet water temperature sensor and a water outlet pipe, and further comprises a direct connection pipe, a direct connection temperature sensor, a bypass device and a water server; the water inlet pipe is provided with the water flow sensor, the direct connection temperature sensor is arranged in the hot water inlet pipe or direct connection pipe, the water outlet pipe is provided with the outlet water temperature sensor, a water outlet of the hot water inlet pipe is connected with a water inlet of the direct connection pipe and a water inlet of the bypass device, a water outlet of the direct connection pipe and a water outlet of the bypass device are both connected with the water outlet pipe, and the bypass device is provided with the water server. According to information collected by the water flow sensor, the direct through temperature sensor and the outlet water temperature sensor, the controller controls the water server, the constant outlet water temperature of the gas water heater is achieved, the problem that in the prior art, the outlet water temperature of a gas water heater is not stable is solved, and the phenomenon that the temperature of the water outlet pipe is too high or too low is avoided.

The invention discloses a fluorine-carbon-aluminum automatic veneer spraying production line. The fluorine-carbon-aluminum automatic veneer spraying production line comprises a spray box. Guide pipesare fixedly mounted on the four sides of the inner wall of the spray box. Spray heads are equidistantly inlaid on the surfaces of the guide pipes. The bottom end of the inner wall of the spray box isfixedly connected with a material storage tank. An electromagnetic sliding rail penetrates through the spray box, and the bottom end of the electromagnetic sliding rail is equidistantly and fixedly connected with supporting columns. A plurality of electromagnetic sliding blocks are equidistantly sleeved inside the electromagnetic sliding rail. A feeding mechanism is mounted at the bottom ends of the electromagnetic sliding blocks. Under the action of the feeding mechanism, fluorine-carbon-aluminum veneers can be suspended at the bottom end of a connecting plate through a plurality of second hooks; sleeves are rotated manually, and threaded rods inside the sleeves can be driven to do lifting motion to drive the second hooks to do lifting motion and adjust the height of the fluorine-carbon-aluminum veneers, so that different sizes of fluorine-carbon-aluminum veneers are adjusted to the appropriate height, the connecting plate moves in the electromagnetic sliding rail through the electromagnetic sliding blocks to implement automatic assembly line spraying operation.

The invention provides an automatic filling and low-temperature heat-sealing composite film for hot sauce and a preparation method of the composite film. The method comprises the steps that polyethylene raw materials with different physical properties are blended, a three-layer co-extrusion film blowing machine is adopted for blowing to form a three-layer co-extrusion corona layer, the three-layerco-extrusion corona layer is composed of an inner-layer base film, a middle-layer base film and an outer-layer base film, and a printing layer is connected to the outer-layer base film in a compositemode. During preparation, for packaging of hot sauce with the temperature of 80-90 DEG C, the inner-layer base film, the middle-layer base film and the outer-layer base film are prepared by adoptinga three-layer co-extrusion upward blowing method; a printing layer and the outer-layer base film are compounded in a solvent-free mode, a material with high mechanical strength is effectively combinedwith the three-layer co-extrusion film, a composite film having a multi-layer composite structure and excellent comprehensive performance is obtained, and the composite film which meets low-temperature heat sealing and is suitable for high-speed automatic hot filling is manufactured.

The invention provides a temperature control method and device of an air conditioner outdoor unit electric control plate. The temperature control method of the air conditioner outdoor unit electric control plate includes the steps of detecting the temperature of the air conditioner outdoor unit electric control plate, determining the current protective mode, judging whether the temperature belongs to the temperature needing controlling in the current protective mode and if yes, carrying out temperature protective control in the current protective mode. The temperature control method of the air conditioner outdoor unit electric control plate can improve operation stability and reliability of the air conditioner outdoor unit electric control plate.

The invention discloses a bypass flow valve and a gas water heater comprising the bypass flow valve. The bypass flow valve comprises a shell, a valve seat, a memory alloy spring, a first magnet, a second magnet, a valve core and a flexible sealing piece, wherein the valve seat, the memory alloy spring, the first magnet, the second magnet, the valve core and the flexible sealing piece are arrangedin the shell, and the first magnet and the second magnet are attracted by each other. The valve seat is fixed relative to the shell and is a hollow cylindrical member. The first end of the valve coreis connected with a cold water inlet through the flexible sealing piece. The second end of the valve core faces the valve seat. The memory alloy spring presses the valve core so that the valve core moves in the direction away from the valve seat. The first magnet is fixed to the valve core, and the second magnet is fixed to the valve seat. The bypass flow valve adopts the memory alloy spring. Through mutual cooperation of the memory alloy spring and the magnets, the water inlet amount of cold water can be adjusted according to the temperature of flowing hot water, so that the temperature of flowing mixed water is regulated, and the temperature of the flowing mixed water is prevented from being too high or too low. The gas water heater can adjust the water outlet temperature and prevent thewater outlet temperature from rising or dropping suddenly.

The invention discloses a cloth rack. A cloth rack body is included and comprises a base plate, fans, heating heat dissipation wires, fixing frames and cloth roll shafts. The two heating heat dissipation wires are arranged on the base plate at an equal interval. The fans are fixedly arranged on the two sides of the heating heat dissipation wires. The base plate is full of water. Each fixing framecomprises a fixing transverse rod, fixing vertical rods and joist steel, wherein the fixing vertical rods are welded to the two ends of the fixing transverse rod, and the joist steel is welded to thelower ends of the fixing vertical rods. The cloth roll shafts can slide on the fixing transverse rods through connecting frames, and a worker can conveniently adjust the distance between the two clothroll shafts according to the actual situation; through the arrangement of stop blocks, the connecting frames can be prevented from sliding out of sliding rails, the temperature detection sensitivityof the cloth rack can be improved, the placement temperature for cloth can be prevented from being too high or too low, the cloth placement temperature is more accurately guaranteed, and the cloth roll shafts can be fixed in grooves and can be prevented from sliding out during cloth rolling.

The invention discloses a hot melting device for waste copper foil tape recycling. The hot melting device for waste copper foil tape recycling comprises a recycling box. The outer wall of the top of the recycling box and the inner wall of the bottom of the recycling box are both fixedly provided with fixing rods. The other ends of the fixing rods are provided with heating plates. A temperature displaying mechanism is arranged on the inner wall of one side of the recycling box. A clearing mechanism is fixed to the inner wall of the recycling box. The outer wall of one side of the recycling boxis provided with a motor seat. The outer wall of the motor seat is provided with a motor. The two sides of the inner wall of the recycling box are fixedly provided with the same cross plate. The outerwall of one side of the cross plate and the inner wall of the recycling box are connected with two rotating rods through bearings. The temperature displaying mechanism comprises a temperature sensor.According to the hot melting device for waste copper foil tape recycling, the top and the bottom of the recycling box are provided with the fixing rods and the heating plates, the outer walls on thetwo sides of copper foil tape can be heated, it is guaranteed that the copper foil tape is evenly heated, the copper foil tape can be conveniently coiled, and the practicability of the hot melting device for waste copper foil tape recycling is improved.

The invention discloses a central air conditioner integrated control system, and relates to the technical field of air conditioner control. The central air conditioner integrated control system comprises a control bracelet and a gateway, wherein one end of the control bracelet is connected with the gateway; the control bracelet is composed of an infrared receiving tube, a temperature sensor, a temperature adjusting button and a communication module; one end of the communication module is connected with the gateway; one end of the infrared receiving tube and one end of the temperature sensor are connected with the communication module; one end of the temperature adjusting button is connected with the communication module; a central processing unit is included; one end of the central processing unit is connected with the gateway; an infrared emitter is included; the input end of the infrared emitter is connected with the central processing unit; and the infrared emitter is connected withthe infrared receiving tube through emitted infrared scanning light. The control logic of a multi-control-end integrated control air conditioner is adopted, each person has part of authority for controlling the temperature, the temperature of the air conditioner is close to the ideal temperature average value of all wearers, and the beneficial effect of optimizing central air conditioner temperature control is achieved.

The invention provides a preparation method of phase changing temperature regulating leather. According to the preparation method, through solid wood extract and wattle bark extract step-by-step modification before dyeing treatment, the water absorption gas permeability of leather fibers is improved; in cooperation with the effects of higher aliphatic hydrocarbon and a crosslinking agent which areadded after acid solidifying, the higher aliphatic hydrocarbon is absorbed into the leather fibers, the crosslinking agent has the effect of crosslinking the leather fibers and the higher aliphatic hydrocarbon, the higher aliphatic hydrocarbon absorbed into the leather fibers can generate the process of mutual conversion between the liquid state and the solid state under the phase changing temperature, the thermal creep exchange principle is used, temperature regulation and control are achieved, the temperature around the leather can be stabilized to the liquid-solid conversion temperature, the leather has the heat absorbing and heat release function, temperature regulating modification of the leather is achieved, and the leather allows the temperature inside a leather shoe to be stabilized to 25 DEG C-31 DEG C.

The invention discloses an air-conditioning-based distribution network voltage regulation method, comprising the following steps: S10, performing power flow calculation, determining the state of the distribution network and the power P required for voltage regulation of each node of the distribution network 1 ,P 2 ,...,P n ; S20, according to the status of the distribution network, determine the working status of the air conditioner that needs to be switched to participate in the regulation; S30, screen the air conditioners that can participate in the regulation; S40, select the air conditioner that participates in the regulation according to the regulation priority; S50, update the room temperature and prepare for the next time adjust. The invention regulates the voltage of the distribution network through air-conditioning management to ensure the quality of electric energy.

The invention discloses a storage device for a cement culvert pipe. The storage device comprises a water tank, a tank body, a water pump, foam and an exhaust fan. A first control panel is arranged onthe outer side of the water tank. The water pump is arranged in the water tank. A water pumping pipe is arranged at the lower end of the water pump. A water outlet pipe is arranged at the upper end ofthe water pump. A spray head is arranged at one end of the water outlet pipe. The tank body is arranged on one side of the water tank. The foam is arranged in the tank body. The exhaust fan is arranged on the rear side of the interior of the tank body. A temperature detector is arranged on one side of the interior of the tank body. A humidity detector is arranged above the temperature detector. Atank door is arranged on the front side of the tank body. A coded lock is arranged on the tank door. The storage device is provided with the temperature detector, and the temperature in the tank canbe prevented from being too high or too low; and the storage device is provided with the humidity detector, the humidity in the tank can be prevented from being too high or too low, and therefore, theuse quality of the cement culvert pipe is guaranteed.