64results about How to "Guaranteed temperature control effect" patented technology

The invention discloses an air conditioner control method and device, and belongs to the technical field of air conditioners. The method comprises the following steps: acquiring current temperature value from current temperature and humidity value of an air conditioner acting area, and acquiring the temperature value of a coiled pipe of an indoor unit and the compressor running frequency value of an air conditioner; determining the current humidity value in the current temperature and humidity value; if the current temperature value in the current temperature and humidity value is beyond the temperature range of the current target temperature and humidity range, adjusting the air conditioner running mode according to the current temperature value until the current temperature value is within the temperature range, wherein the current target temperature and humidity control range is determined according to the human body comfort level corresponding to the current preset temperature of the air conditioner; and if the current temperature value is within the temperature range, adjusting the air conditioner running mode according to the current humidity value in the current temperature and humidity range.

The invention discloses an air conditioner temperature and humidity double control method and belongs to the technical field of air conditioners. The method comprises the steps that a current temperature value and a current humidity value of a space where an air conditioner is located are obtained; a current temperature difference value between the current temperature value and a set temperature value and a current humidity difference value between the current humidity value and a set humidity value are determined; a first operation frequency of a compressor is determined according to the current temperature difference value, and a second operation frequency of the compressor is determined according to the current humidity difference value; a target operation frequency of the compressor is determined according to the first operation frequency and the second operation frequency; and whether an electric heater needs to be started and what is the output power during starting of the electric heater are determined according to the current humidity value. Through the air conditioner temperature and humidity double control method, operation of the compressor and the electric heater is adjusted according to the indoor environment parameters such the temperature and humidity, and thus the purposes of the indoor environment temperature control effect and the indoor humidity control effect are ensured by controlling the operation frequency of the compressor.

The invention provides a hydrate sediment CT triaxial testing device, and belongs to the technical field of geotechnical engineering foundation physical property measurement. Aiming at the deficiencyof the invention of a visualization testing device for natural gas hydrate sediment mechanical properties, the hydrate sediment CT triaxial testing device is subjected to redesigning and optimization,under the premise that the hydrate reservoir static force, the dynamic properties and the creep property can be obtained, the stability in the scanning rotating process of a triaxial apparatus, the hydrate sample temperature control accuracy and the penetrating property of X-rays of a triaxial apparatus pressure chamber are improved, the optimal CT imaging effect is obtained, and powerful hardware support is provided for the verification of the reservoir deformation mechanism in the decomposition process of a hydrate.

The invention discloses an air conditioner temperature and humidity double controlling method, and belongs to the technical field of air conditioner controlling. The air conditioner temperature and humidity double controlling method comprises that the current temperature value and the current humidity value of a space where an air conditioner is located are obtained; the current temperature difference value of the current temperature value and the set temperature value and the current humidity difference value of the current humidity value and the set humidity value are determined; the first running frequency of a compressor is determined according to the current temperature difference value, and the second running frequency of the compressor is determined according to the current humidity difference value; the target running frequency of the compressor is determined according to the first running frequency and the second running frequency; and whether electrical heating is started or not and the output power when electrical heating is started are determined according to the current temperature difference value and the current humidity value. According to the air conditioner temperature and humidity double controlling method, running of the compressor and electrical heating can be adjusted according to indoor environment parameters such as the temperature and the humidity, so that the purposes of ensuring of the temperature controlling effect on the indoor environment and controlling of the indoor humidity are achieved through controlling of the running frequency of the compressor.

The invention discloses a method and device for controlling an air conditioner and belongs to the technical field of air conditioners. The method includes the steps that the current temperature and humidity values of an air conditioner acting area and the current air speed value of an air conditioner are obtained; when the current temperature and humidity value is not in the current target temperature and humidity range of the current target control range, the running mode of the air conditioner is adjusted till the current temperature and humidity values are matched with the current target temperature and humidity range, wherein the current target control range is determined according to the human body sensing comfort degree corresponding to the current preset temperature of the air conditioner and includes the current target temperature and humidity range and the current target air speed range; and if the current temperature and humidity values are in the current target temperature and humidity range, the running mode of the air conditioner is adjusted according to the current air speed value till the current air speed value is in the current target air speed range.

The invention discloses an air conditioner control method and device, and belongs to the technical field of air conditioners. The method comprises the steps that the current temperature and humidity value of the air conditioner action area is obtained; and when the current temperature and humidity value is not in the current target temperature and humidity range, the current temperature and humidity area corresponding to the current temperature and humidity value is determined, and running of the air conditioner is controlled according to the current control strategy corresponding to the current temperature and humidity area, wherein the current target temperature and humidity control range is determined according to the human body feeling comfort level corresponding to the current preset temperature of the air conditioner. Accordingly, the air conditioner temperature control effect can be guaranteed, and the air conditioner humidity control function can be increased.

The embodiment of the invention discloses a temperature control method for a terminal and terminal equipment. The method comprises the following steps: acquiring a current environment temperature, wherein the environment temperature is a temperature of a surrounding environment in which the terminal is positioned; setting a value of a security temperature threshold according to the current environment temperature, wherein the value of the security temperature threshold is relevant to the current environment temperature; and when the temperature of a heat source in the terminal is higher than the security temperature threshold, limiting a service corresponding to the heat source. The embodiment of the invention also provides terminal equipment. When the environment temperature is too high or too low, the value of the security temperature threshold can be adjusted in order to prevent the value of the security temperature threshold from getting too high or too low and improve the temperature control effect.

The embodiment of the invention provides a battery thermal management device and a battery box. The battery thermal management device comprises a water chamber and at least one group of heat conduction devices, wherein the heat conduction devices are arranged on the water chamber, and each heat conduction device comprises a first heat conduction plate, a second heat conduction plate, a first battery frame and a second battery frame. Heat exchange with a rechargeable battery can be performed by the heat conduction plates; since the heat conduction plates are in plate shapes, the battery thermal management device can be in large-area contact with a side surface of the rechargeable battery, so that heat exchange can be fully performed, and a temperature control effect of the rechargeable battery is ensured; a passage is formed by the two heat conduction plates, and thus, a liquid passes through the passage; the liquid directly flows through the heat conduction plates, and thus, heat is more rapidly transmitted; and meanwhile, no pipeline is arranged in the battery thermal management device, the battery thermal management device is simple in structure and is convenient to install.

The embodiments of the invention provide a liquid cooling pipe, a power supply device, and a liquid cooling pipe installation method. The liquid cooling pipe is applied to a battery module, the battery module comprises a plurality of sub-modules, and the liquid cooling pipe comprises a flat pipe body, a liquid inlet and a liquid outlet. A liquid flow passage is provided inside the flat pipe body,wherein the flat pipe body is made of a rubber material. The liquid inlet and the liquid outlet are respectively arranged at two ends of the flat pipe body and communicate with the liquid flow passage. The flat pipe body is arranged between the adjacent sub-modules, and is attached to the surface of the sub-modules by expansion under the action of pressure in the liquid flow passage to control thetemperature of the battery module. The flat pipe body is made of a rubber material, and the thickness of the flat pipe body is reduced by changing the pressure in the liquid flow passage, thereby facilitating the installation of the liquid cooling pipe. The flat pipe body can expand to fully fit with the surface of the sub-modules by changing the pressure in the liquid flow passage again after the installation is completed, thereby further ensuring the temperature control effect on the battery module.

The invention discloses a method and a device for controlling an air conditioner, and belongs to the technical field of air conditioners. The method comprises the following steps that current temperature and humidity values of an action area of the air conditioner are acquired; if the current humidity value in the current temperature and humidity values is larger than a humidity upper limit value of a humidity range in current target temperature and humidity ranges, a running mode of the air conditioner is adjusted according to the current humidity value until the current humidity value is within the humidity range, and the current target control temperature and humidity ranges are determined according to a somatosensory comfort level of a human body corresponding to a current preset temperature of the air conditioner; and if the current humidity value is smaller than or equal to the humidity upper limit value, the running mode of the air conditioner is adjusted according to a current temperature value in the current temperature and humidity values until the acquired current temperature and humidity values are matched with the current target temperature and humidity ranges.

The invention discloses a circulation cooling water cooling device in a rubber processing field. The device comprises a water inlet pipe and a backwater pipe with temperature sensors inside, a cooling water tank, and a cooling tower maintaining signal connection with the temperature sensors. The cooling water tank is divided into a backwater tank and an outlet water tank by a middle separation weir. With the middle separation weir, the cooling water tank is uniformly divided into the two parts which do not communicate with each other or which are only communicated through a through hole on the top. Also, the two parts are divided into four parts by a first overflow weir and a second separation weir. When cooling water in one zone reaches a certain height, the water flows to an adjacent tank. With a cooling water convenient switching path, cooling water outlet temperature can be unchanged when environment temperature is changed. Therefore, a temperature control effect is ensured.

The invention discloses a method for controlling the temperature and the humidity of an air conditioner and belongs to the technical field of air conditioner controlling. The method comprises the steps that a current temperature value and a current humidity value of the space where the air conditioner is located are obtained; a current temperature difference of the current temperature value and a set temperature value and a current humidity difference of the current humidity value and a set humidity value are determined; a first operation frequency of the compressor is determined according to the current temperature difference, and a second operation frequency of the compressor is determined according to the current humidity difference; the target operation frequency of a compressor is determined according to the first operation frequency and the second operation frequency; and whether an electric heater is started or not and the output power at the time of starting of the electric heater are determined according to the current temperature difference. According to the method for controlling the temperature and the humidity of the air conditioner, operation of the compressor and the electric heater can be adjusted according to indoor temperature environmental parameters such as the temperature and the humidity, accordingly, by controlling the operation frequency of the compressor, the temperature control effect on the indoor environment is guaranteed, and the indoor humidity is controlled.

The invention discloses an air conditioner control method and device and belongs to the technical field of air conditioners. The method comprises the following steps that current temperature and humidity values of an air conditioner action area are obtained; if the current temperature and humidity values are not within a current target temperature and humidity range, the operating mode of an air conditioner is adjusted till the current temperature and humidity values are matched with the current target temperature and humidity range, wherein the current target temperature and humidity range is determined according to the human body sense comfort level corresponding to a current preset temperature of the air conditioner; and if the current temperature and humidity values are in an overlapping temperature and humidity range between the current target temperature and humidity range and a bacterium active temperature and humidity range, the operating mode of the air conditioner is adjusted till the current temperature and humidity values are matched with a current comfort target temperature and humidity range, wherein the bacterium active temperature and humidity range is determined according to information of the environment where the air conditioner is located, and the current comfort target temperature and humidity range is a temperature and humidity range which is within the current target temperature and humidity range and does not comprise the overlapping temperature and humidity range.

The invention discloses a method and a device for controlling an air conditioner, and belongs to the technical field of air conditioners. The method comprises the following steps: acquiring the current temperature and humidity values of an air conditioner action zone; if the current temperature and humidity values are within the bacterial-activity temperature and humidity range, adjusting the running mode of the air conditioner till the current temperature and humidity values are not within the bacterial-activity temperature and humidity range, wherein the bacterial-activity temperature and humidity range is determined according to information about the environment where the air conditioner is positioned; and if the current temperature and humidity values are not within the current comfortable-target temperature and humidity range, adjusting the running mode of the air conditioner till the current temperature and humidity values are matched with the current comfortable-target temperature and humidity range, wherein the current comfortable-target temperature and humidity range belongs to the current target temperature and humidity range and does not include the bacterial-activity temperature and humidity range, and the current target temperature and humidity range is determined according to the human body comfort level corresponding to the current preset temperature of the air conditioner.

The invention discloses an air conditioner energy-saving temperature control method, an air conditioner and a storage medium, which are applied to controlling the temperature of an indoor environment.The method comprises the following steps: controlling a compressor to start operating at preset starting frequency, and continuously acquiring an indoor temperature and an outdoor temperature in a temperature control process according to a preset acquisition rule; and adjusting the operating frequency of the compressor according to a newly acquired outdoor temperature, a newly obtained indoor temperature and a historical indoor temperature. According to the air conditioner energy-saving temperature control method, the air conditioner and the storage medium, the low-frequency operating time ofthe compressor is prolonged, so that the energy saving property of the air conditioner in the temperature control process is improved.

The invention discloses an automatic temperature-controllable speed-regulatable mixing mechanism for powder coatings, and relates to the technical field of powder coating mixing. The invention aims to overcome problems in free adjustment of material mixing. The mixing mechanism specifically comprises a main box, wherein a feeding port is formed in the outer wall of one side of the main box, a top cover is connected to the outer wall of the top of the main box through hinges, a machine cover is arranged on the outer wall of the top of the top cover, a feeding port is formed in the outer wall of one side of the top of the top cover, a corrugated cylinder is arranged on the inner wall of the bottom of the main box, a limiting groove is formed in the portion, close to the corrugated cylinder, of the main box, a connecting nozzle is arranged on the outer wall of one side of the corrugated cylinder, a Z-shaped guide pipe is arranged on the outer wall of one side of the top of the corrugated cylinder, an elastic telescopic stirring mechanism is arranged in the corrugated cylinder, the aperture of the top end of the Z-shaped guide pipe is the same as the aperture of the feeding port, and the aperture of the end of the connecting nozzle is the same as the aperture of the feeding port. According to the invention, temperature control effect in a mixing process is guaranteed, adjustment of a mixing rate is promoted, and mixing and stirring efficiency and quality of raw materials for the powder coating are improved.

The invention discloses a method and device for controlling an air conditioner, and belongs to the technical field of air conditioners. The method comprises the steps that a current humiture value of an action area of the air conditioner is acquired; if a current temperature value in the current humiture value is not within the temperature range of the current target humiture range, the running mode of the air conditioner is adjusted according to the current temperature value until the current temperature value is in the temperature range, wherein the current target control humiture range is determined according to the somatosensory comfort level of a human body corresponding to the current preset temperature of the air conditioner; and if the current temperature value is within the temperature range, the running mode of the air conditioner is adjusted according to a current humidity value in the current humiture value.

The invention relates to the field of electrical energy storage cabins, in particular to an energy storage cabin air duct system and an energy storage cabin with the air duct system. The energy storage cabin air duct system comprises a main air duct and two or more branch air ducts. The main air duct is provided with an air inlet and an air outlet communicated with the branch air ducts. The branch air ducts are divided into far-end branch air ducts and near-end branch air ducts from far to near according to the distance between the branch air ducts and the air inlet of the main air duct, the number of the far-end branch air ducts is at least one, and the cross sections of the far-end branch air ducts are gradually reduced from the end close to the main air duct to the other end. Due to the fact that the branch air ducts of the energy storage cabin air duct system are divided into the far-end branch air ducts and the near-end branch air ducts from far to near according to the distance between the branch air ducts and the air inlet of the main air duct and the cross sections of the far-end branch air ducts are gradually reduced from the end close to the main air duct to the other end, air pressure in the far-end branch air ducts can be maintained easily, it is promoted that the air outflow speeds of the branch air ducts are kept roughly the same, and finally the performance and the temperature control effect of a temperature control system of an energy storage device are guaranteed.

The invention discloses an air conditioner control method and device and belongs to the technical field of air conditioners. The conditioner control method comprises the steps that, when the condition that the current temperature and humidity values and the current wind speed value meet the set conditions correspondingly is determined according to the current target control range, the operation mode of an air conditioner is adjusted according to the current temperature value in the current temperature and humidity values till the current temperature value is within the temperature range of the current target temperature and humidity ranges, wherein the current target control range is determined according to the human body somatosensory comfortable level corresponding to the air conditioner current preset temperature and comprises the current target temperature and humidity ranges and the current target wind speed range; the operation mode of the air conditioner is adjusted according to the current wind speed value till the current wind speed value is in the current target wind speed range; and according to the current humidity value in the current temperature and humidity values, the operation mode of the air conditioner is adjusted.

The invention discloses an air-conditioner control method and device, and belongs to the technical field of air conditioners. The method comprises the steps that a current temperature and humidity value of an air-conditioner action region is obtained; and if the current temperature and humidity value is not within a current comfortable target temperature and humidity range, an operation mode of an air conditioner is adjusted till the current temperature and humidity value is matched with the current comfortable target temperature and humidity range, wherein the current comfortable target temperature and humidity range is determined according to the somatosensory comfortable level of a human body and information of an environment where the air conditioner is located. Therefore, the air-conditioner temperature control effect can be guaranteed, and the function of air-conditioner humidity control can be added.

The invention relates to a multifunctional integration valve which can ensure the temperature control performance. The multifunctional integration valve comprises a valve body, an oil filter, an oil cut-off valve part embedded into the valve body, a temperature-controlled valve plug component, an oil cooler and a cavity end cover, wherein the inside of the valve body is provided with a temperature-controlled cavity; and the temperature-controlled valve plug component is arranged in the temperature-controlled cavity. The multifunctional integration valve is characterized in that an annular step is arranged in the temperature-controlled valve plug component; after the annular step and the temperature-controlled valve core component are matched, the temperature-controlled cavity is divided into a hot oil cavity and a cold oil cavity; the hot oil cavity is communicated with an oil filter; the cold oil cavity is communicated with the oil cooler; the circumferential surface of the temperature-controlled valve plug component is provided with oil outlets; the axial direction of the temperature-controlled valve plug component is provided with a driving device; and one end of the axial direction of the temperature-controlled valve plug component is closed, and the other end of the temperature-controlled valve plug component is communicated with a hot oil inlet.

The invention relates to the technical field of ceramic vacuum sintering furnace. A vacuum sintering furnace comprises a rack, an upper part pressing device, a furnace body, a lower part supporting device, a vacuum device, a hydraulic device, a water cooling device; the upper part pressing device, the furnace body and the lower part supporting device are arranged at the front part of the rack; theupper part pressing device is arranged at the top of the furnace body, and the upper part pressing device penetrates through the top of the furnace body and used for pressing materials; the lower part supporting device is arranged in the bottom of the furnace body, and the lower supporting device penetrates through the bottom of the furnace body for supporting materials and is matched with the upper part pressing device; the vacuum device is arranged at the rear part of the rack, and the vacuum device is communicated with the furnace body; the hydraulic device and the water cooling device arerespectively arranged at the lower side of the rear of the rack; and the hydraulic device is used for performing hydraulic control, and the water cooling device for cooling control. This patent has the advantage of improving the ceramic material in the sintering process, improve the stability of the vacuum pumping effect to prevent the occurrence of accidental explosion, temperature control effect is improved, and the sintering efficiency is improved.

The invention relates to the technical field of power transmission and distribution, in particular to an electric power electronic type three-phase imbalance intelligent adjusting device. The device comprises a box body, the box body is integrally provided with a mounting plate, four corners of the mounting plate are respectively provided with positioning holes, the box body is provided with a sealing door, a plurality of pairs of clamping seats are arranged in the box body, each pair of clamping seats is respectively provided with a neck, a placing plate is connected in the necks in a slidingmanner, a three-phase imbalance adjusting module is placed on the placing plate, a controller is arranged at the lower portion of the three-phase imbalance adjusting module, a wire clamping plate corresponding to the placing plate is arranged on the inner wall of the box body, and a miniature air conditioner is arranged at the top portion of the box body. The electric power electronic type three-phase imbalance intelligent adjusting device is convenient to install, maintain, and is good in temperature control effect.

The invention discloses a high-strength fair faced steel plate concrete shear wall and a construction method thereof, and belongs to the technical field of building construction. The high-strength fair faced steel plate concrete shear wall includes a reinforcement grid frame, temperature control formworks, a split screw, a shear steel plate and a three-coordinate measuring instrument, the temperature control formworks are located on both sides of the steel grid frame and is used for controlling the temperature of concrete, the two temperature control formworks are connected through the split screw, the shear steel plate is vertically installed in the middle part of the reinforcement grid frame, the shear steel plate is provided with a a pouring and tamping hole, a cross reinforcement holeand a screw split hole, and the three-coordinate measuring instrument is used for identifying the positions and size deviation of the cross reinforcement hole and the screw split hole on the shear steel plate. According to the high-strength fair faced steel plate concrete shear wall, it is ensured that the concrete has good clear water effect, and the concrete surface will not produce chromatism.

The invention relates to a high-efficiency alkali aggregate test box, which comprises a box body, a test-piece box, a temperature measurement sensor, a control cabinet and a water incoming and out-coming circulation system; a bracket is arranged in the box body; the test-piece box is placed on the bracket; the water incoming and out-coming circulation system comprises a water tank, a water inlet pipe, a magnetic pump and a water outlet pipe; the water tank is positioned at the lower side of the bracket; the water tank is connected to the magnetic pump outside the box body through the water inlet pipe; the magnetic pump is communicated with a region, outside the test-piece box, in the box body through the water outlet pipe; a suction head vertical to the head diameter is arranged at the front end of the water inlet pipe, so that the water inlet pipe is in a T shape; a plurality of water inlets are formed in the pipe wall on the lower side surface of the suction head; a box cover is arranged on the top of the box body; a ventilated temperature measurement hole is formed in the box cover; the temperature measurement sensor stretches into the box body through the ventilated temperature measurement hole; a balanced water level hole is also formed in the side wall of the box body; and the height h from the balanced water level hole to the horizontal plane is not more than the height H from the upper edge of the test-piece box to the horizontal plane.

The invention discloses a mechanism for automatically baking sweet potatoes and a temperature control system. The mechanism for automatically baking the sweet potatoes comprises a sweet potato bakingmechanism and a temperature control mechanism, a driving motor is installed on the lower layer of a cabinet, an operation chain is installed on the middle layer of the cabinet, and the driving motor can drive the operation chain to rotate through a connecting chain. The operation chain is provided with a plurality of sweet potato placement hanging baskets, a plurality of heating pipes are arrangedon the top of the middle layer of the cabinet and the two sides corresponding to the middle layer respectively, and the temperature control mechanism is further arranged in the cabinet, wherein the temperature control mechanism comprises a plurality of temperature detection sensors, a micro processor, a central processor, a temperature control module, a timing module and a human-computer interface. The mechanism has the advantages that the temperature is precisely controlled, the temperature control controlled to be constant, and the temperature can be wirelessly transferred, and the temperature control system is mainly used for control over the temperature of a sweet potato baking machine.

The invention relates to the field of 3D printers, in particular to a temperature-controllable low-temperature biological 3D printer and a spray head device. The 3D printer comprises a base, a mounting frame, a horizontal moving module I, a vertical moving module, a horizontal moving module II, a printing platform, a printing nozzle and a control system, the printing platform comprises a first mounting plate, a supporting base, a first elastic piece, a mounting box, a first temperature control assembly and a second temperature control assembly. The mounting plate I is connected with the moving end of the horizontal moving module I; the mounting box is connected to the upper end of the mounting plate I through an elastic piece I; the first temperature control assembly and the second temperature control assembly are both arranged on the mounting box. The temperature control assembly I and the temperature control assembly II are matched, the temperature of a product is controlled from the upper part to the lower part, the temperature control positions are comprehensive, and the temperature control modes are diversified. The spray head with the temperature control pipe is arranged, the temperature of the spray head is controlled from the inside, and the temperature control efficiency is improved. And a third temperature control assembly is arranged, quantitative replacement of refrigerants is achieved, and it is guaranteed that the refrigeration effect is stable and lasting.

The invention discloses a self-powered temperature control type totally-closed bus shelter based on the wind-solar complementary technology. The bus shelter aims at solving the technical problems that in the prior art, self power supply cannot be achieved, a connecting circuit needs to be used, energy conservation and environmental protection are not enough, a door cannot be automatically opened and closed, and use is not very convenient. The bus shelter comprises a bus shelter body, a power supply module arranged on the upper side of the bus shelter body and used for self power supply, a closing module arranged on the front side of the bus shelter body and used for closing the bus shelter body, and a clamping seat module arranged in the bus shelter body and used for passengers to wait for buses. The air conditioner assembly is arranged on the inner wall of the bus shelter body and used for controlling temperature; a bus indicator is arranged on the front side of the bus shelter body. According to the bus shelter, through the arrangement of the power supply module, self power supply of the whole bus shelter can be achieved, the power supply module can store electricity through wind energy and solar energy, the whole bus shelter does not need to be connected with an external circuit, and more energy saving and environment protection are achieved.

The invention relates to the technical field of air conditioners for elevators, in particular to a superconductive type fresh air machine for an elevator. The superconductive type fresh air machine for the elevator comprises a fresh air machine body. The fresh air machine body is arranged at the top end of a lift car of the elevator. The fresh air machine body comprises a machine shell, a base plate and superconductive type centrifugal fans. An air suction opening and an air exhaust opening are formed in the middle of the machine shell. An air outlet and an air inlet are formed in the two sides of the base plate correspondingly. The base plate is arranged at an opening of the machine shell in a closing manner through screws. The two or more superconductive type centrifugal fans are uniformly arranged according to the air inlet and the air suction opening. A filter device is arranged between the air suction opening and the air outlet. The air suction opening and the air exhaust opening are each provided with a filter screen. By means of the superconductive type fresh air machine for the elevator, simplification and miniaturization of a fresh air system for the elevator are achieved; mounting difficulty, maintenance difficulty and cost are lowered; energy utilization efficiency is improved; and fresh air exchange efficiency is improved.