52 results about "Humidistat" patented technology

The invention discloses a temperature and humidity intelligent control early warning method and device for a pole-mounted switch control box, and relates to the technical field of temperature and humidity control. The humidity threshold value is dynamically adjusted through temperature data in the pole-mounted switch box; threshold judgment is conducted on the environment data, and a temperature regulator and / or a humidity regulator are / is started; the environment data and the regulator state data are uploaded to a cloud server, so that the cloud server performs environment change prediction according to the environment data to obtain humidity prediction data after the humidity regulator is turned off for a preset time step length; and comparing the actual data with the prediction data to generate early warning information. By monitoring the equipment surface temperature and the air temperature and humidity in real time, threshold adjustment can be carried out according to the humidity critical point of condensation at the current temperature instead of starting an adjuster based on a fixed threshold. Therefore, the regulator can be prevented from being started when not needed, energy waste is prevented, and the utilization efficiency of energy is improved.

The invention belongs to the technical field of fuel cells, and relates to an out-of-stack hydrothermal management device of a proton exchange membrane fuel cell stack, which comprises an end plate, a collector plate, a single cell, a cathode plate, an anode plate and a membrane electrode, a plurality of cooling channels are arranged on the anode plate, large flow channels are respectively arranged at outlets and inlets of the cooling channels, small flow channels are arranged between the outlets and the inlets of the cooling channels, and the large flow channels at the inlets of the cooling channels are communicated to the large flow channels at the outlets of the cooling channels through a plurality of parallel small flow channels; a humidity sensor is arranged in the cooling channel, and a humidity regulator is arranged at an outlet and / or an inlet of the cooling channel; according to the invention, the hydrothermal management controller is arranged outside the galvanic pile to control the humidity and the temperature of the gas in the flow channel, so that the moisture and the temperature inside the galvanic pile are controlled, therefore, the temperature and the humidity of the gas are controlled outside the galvanic pile through the controller, the internal structure of the galvanic pile is not influenced, and the stability and the durability of the galvanic pile are maintained to a greater extent.

The invention discloses a testing device for testing the photoelectric conversion performance of a photovoltaic module, and relates to the technical field of photovoltaic power generation performance testing, the testing device comprises a testing cover, a light source, a temperature and humidity regulator and a power conversion module, the photovoltaic module, the light source and the temperature and humidity regulator are arranged in the non-transparent testing cover, and the photovoltaic module is connected with an inclination angle adjusting mechanism; the light source can emit light with different wavelengths, and the temperature and humidity regulator can regulate the temperature and humidity in the test cover; the power conversion assembly can measure the output power and illumination intensity of the photovoltaic assembly, and the light source, the temperature and humidity regulator, the inclination angle adjusting mechanism and the power conversion assembly are all connected with the controller. A light source and a temperature and humidity regulator are used for simulating factors influencing illumination wavelength, temperature, humidity and the like, and a power conversion assembly is used for testing and calculating the photoelectric conversion performance of a photovoltaic assembly under the coupling action of multiple physical factors. According to the invention, the influence of different physical factors on the photoelectric conversion performance of the photovoltaic module can be accurately tested.

The utility model relates to the technical field of temperature and humidity regulators, in particular to a plant temperature and humidity regulating device, which comprises a fixed panel, the fixed panel is connected with a wall wire box and is provided with a first control mainboard, and the first control mainboard is connected with a data line in the wall wire box through a communication interface and is communicated with a corresponding air conditioner; the fixed panel is provided with a display screen and a contact interface which are communicated with the first control mainboard; a second control main board is arranged in the control panel, and a setting key group and a metal contact which are electrically connected with the second control main board are arranged outside the control panel; the control panel is arranged outside the fixed panel in a matched mode, and the metal contacts are matched with the contact interfaces and used for communication between the second control main board and the first control main board. According to the utility model, the control panel and the fixed panel are designed in a split manner, and a workshop manager takes out the control panel for storage after air conditioner operation parameters are set, so that the stability of a strict temperature and humidity environment of a production workshop is ensured.

The present invention provides a temperature- and humidity-controllable work glove. The glove comprises a glove body and a temperature-control and dehumidification device fixed to the back of the glove body. The temperature-control and dehumidification device comprises a temperature and humidity regulator, which comprises an air dehumidifier, a semiconductor cooling plate, and an air heat exchanger stacked in sequence from the back of the glove body upward. The back of the glove body is provided with a glove air inlet and a glove air outlet connected to the glove inner cavity. Under the suction of an air pump, moist air in the glove inner cavity passes through the air dehumidifier and the air heat exchanger in sequence for dehumidification and temperature adjustment before entering the glove inner cavity to complete the circulation. The semiconductor cooling plate heats and regenerates the dehumidifier in the air dehumidifier. The dehumidifier regeneration process can be completed simply by controlling the heating and cooling surfaces of the semiconductor cooling plate, resulting in convenient and quick operation. The glove can also significantly improve user comfort during use, thereby improving work efficiency.

1. The name of the design product: the constant humidity machine. 2. The use of the design product: installed inside the storage cabinet, used to control the relative humidity stability inside the storage cabinet. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, omit the top view. 6. Other circumstances that need to be explained: the black area in the front view and perspective view is the display screen.

The present invention Hetro passenger vehicle dehumidifier (18) relates to reducing the excess humidity for maintaining the human comfort humidity levels in a Passenger vehicle compartment (20). The Hetro passenger vehicle dehumidifier (18) contains mainly Heater (12), Air circulation fan (13), Humidity sensor(6), Temperature sensor (7), Air filter (14), Digital display (1), Front panel keys (4), Humidistat and control circuits (5) and IR Remote control (2). Below FIG 1 shows main parts of the Hetro passenger vehicle dehumidifier (18), it works only when Passenger vehicle compartment (20) is air-conditioned, because humidity is reduced by the function of Air-conditioner (17) while it is cooling the Passenger vehicle compartment (20). For reducing the humidity in a Passenger vehicle compartment (20), sequence of steps shown in FIG 3 which shows the algorithm flowchart of Hetro passenger vehicle dehumidifier (18) operation. In brief Hetro passenger vehicle dehumidifier (18) measures the Passenger vehicle compartment (20) humidity with Humidity sensor (6), if humidity is more than the set humidity and temperature is less than the set temperature then Hetro passenger vehicle dehumidifier (18) Turns ON (26) the Heater (12) or else it will Turns OFF (25) the Heater (12). This process will continue until the excess humidity is removed to the set humidity value.

The present application relates to the technical field of humidity regulation, and discloses a humidity regulator, including: a housing, a humidity regulation turntable, a first partition board and a second partition board. In the present application, the rotation of the first partition board and the second partition board can be driven according to the outdoor environmental quality to switch the communication relationship between the indoor and the outdoor, so that the indoor air flow and the outdoor air flow can exchange or not exchange during the humidification or dehumidification process. Furthermore, when there is a demand for ventilation in the room, the indoor air flow and the outdoor air flow can exchange; when the outdoor air quality is poor and there is no demand for ventilation, the indoor air flow and the outdoor air flow do not exchange, so as to avoid the entry of outdoor polluted air into the room, selectively utilize the outdoor air flow, reduce the dependence on the outdoor environment, improve the stability of humidity regulation, and maintain the indoor air quality.

The utility model relates to the technical field of explosive salt processing, and provides an explosive salt processing humidity regulator which comprises a self-heating machine body, a heat preservation plate is hinged to the top of the self-heating machine body, a humidity regulating mechanism is arranged in the self-heating machine body, and the humidity regulating mechanism comprises a motor. Through mutual cooperation of a motor, a reciprocating screw rod, a reciprocating screw sleeve, a sliding plate, a limiting rod, a sliding groove, a sliding block, a water bag, a water pipe, a storage plate and other assemblies arranged on the humidity adjusting mechanism, the motor arranged on the rear side face of the self-heating machine body is started, and therefore the reciprocating screw rod fixed to the tail end of an output shaft is driven to rotate; the reciprocating screw rod rotates to drive the reciprocating screw sleeve which is in threaded connection with the circumferential surface to move, and the reciprocating screw sleeve moves to drive the sliding plate fixed on the side surface to slide on the circumferential surface of the limiting rod, so that the effect of preventing over-temperature and over-low humidity in the explosive salt processing process is achieved.

This item is a humidity controller that contains a material with humidity-regulating properties, such as charcoal, inside.

The invention relates to a barrel (10) for a humidity regulator, which is configured to receive a liquid volume, and comprises at least one plastic part (12) and at least one metal part (14), which together form a space (16) for receiving the liquid volume, wherein the at least one metal part (14) and the at least one plastic part (12) are attached to each other by means of a silicone seal (18). Furthermore, the invention relates to a method for manufacturing a barrel for a humidity regulator.

The application discloses an air temperature and humidity regulator, which comprises a liquid inlet, a main pump, a gas-liquid heat exchanger, a humidity regulating liquid pool, a liquid pool heat exchanger, a liquid outlet, an air inlet, a liquid pool fan, a fiber layer, a gas-liquid heat exchanger fan and an air outlet. The application aims to solve the problem that the arrangement of the existing air conditioner is limited by power supply and air exhaust. The air temperature and humidity regulator is movable in structure. During operation, air flows through the liquid pool heat exchanger, the fiber layer and the gas-liquid heat exchanger. The liquid from an external heat source mainly adjusts the temperature of the air through the gas-liquid heat exchanger, and mainly adjusts the humidity of the air through the liquid pool heat exchanger and the fiber layer. The fiber layer has a hydrophilic porous structure, thereby enhancing the humidity regulating effect. A porous air exhaust device is arranged to solve the problem of gas blockage. The external heat source can be a movable energy storage device, a wall-mounted stove or tap water, thereby making the arrangement and use of the air temperature and humidity regulator more flexible.

A wall-mounted humidity regulator comprises a water tank, a fan, evaporation films, a top cover and a control box, the water tank is located at the bottom of a body, a water pump and a water level sensor are arranged in the water tank, the fan is fixed above the water tank through a fan supporting framework, and the two sides of the fan are each provided with a set of evaporation films through evaporation film supporting frameworks. A front sealing gear, a rear sealing gear, a left sealing gear, a right sealing gear and a top cover are used for sealing, a water spraying pipe set is fixed below the top cover and communicated with a water pump, the front sealing gear is provided with an air outlet, and the right sealing gear is provided with an air inlet; a control box is arranged on the top cover and is in electric control connection with the water pump, the fan, the air outlet and the air inlet. The utility model has a simple structure, is convenient to use, humidifies air through the evaporation film, and achieves the purpose of stabilizing the humidity in the bin; air entering the granary is humidified, the temperature and humidity environment in the granary is improved, grain storage safety is guaranteed, and the original quality of grains is stabilized.

This application relates to the technical field of humidity regulation, and discloses a humidity regulator including: a housing and a first humidity adjustment block. A first channel is defined inside the housing, and it includes a ventilation opening A, a ventilation opening B, a ventilation opening C, and a ventilation opening D that can communicate with the first channel; the first humidity adjustment block is rotatably arranged in the first channel, and divides the first channel into a first area and a second area. When in the first position, the first area communicates with the ventilation opening A and the ventilation opening C, and the second area communicates with the ventilation opening B and the ventilation opening D. When in the second position, the first area communicates with the ventilation opening A and the ventilation opening B, and the second area communicates with the ventilation opening C and the ventilation opening D. In this application, outdoor air flow can be selectively utilized to improve the flexibility of the overall use of the device.

The utility model relates to the technical field of oxygen permeability determination, and discloses a packaging material oxygen permeability determination device which comprises a test gas container, a carrier gas container and a test sample. According to the device for measuring the oxygen permeability of the packaging material, test gas is disturbed through the wave-shaped guide plate, carrier gas is uniformly dispersed in combination with the porous splitter plate, so that oxygen and nitrogen fully cover the surface of a test sample, a gas path is prolonged in cooperation with the barrier plate, the flow velocity difference is effectively reduced, and the oxygen migration amount is detected in real time by adopting the coulomb electric quantity sensor; a humidity regulator and an electric heating sheet are integrated; accurate control of temperature and humidity is supported; testing of humidity sensitive materials such as EVOH is adapted; an elastic loading pressing plate is linked with a telescopic spring through a sliding rod and is adapted to samples with different thicknesses such as films and bottle bodies; and the first inner sealing ring, the second inner sealing ring and the outer sealing ring are combined, so that the sealing performance is improved.

An air-conditioning system includes a temperature adjuster to adjust temperature in an air-conditioned target area, a humidity adjuster to adjust humidity in an air-conditioned target area, a sensor to obtain environment information including the temperature or the humidity in the air-conditioned target area, and a controller The controller includes an estimator to estimate time variations in the temperature and the humidity in the air-conditioned target area based on the environment information, target values of the temperature and the humidity, and a control schedule indicating time variations in outputs of the temperature adjuster and the humidity adjuster, a control determiner to optimally calculate the control schedule and determine an optimal control schedule based on the time variations in the temperature and the humidity and the target values, an adjuster controller to control the temperature adjuster and the humidity adjuster based on an optimal control schedule determined by the control determiner.

The utility model provides a greenhouse temperature and humidity adjusting device which comprises a temperature and humidity adjuster body, the top of the temperature and humidity adjuster body is provided with a detection mechanism, the detection mechanism comprises a protection box embedded in the top of the temperature and humidity adjuster body, and the protection box is provided with two supporting protection pieces. The two supporting and protecting parts are provided with temperature and humidity sensor bodies, and the supporting and protecting parts are used for protecting the temperature and humidity sensor bodies in the non-use state. According to the temperature and humidity sensor, through arrangement of the supporting protection part, the supporting protection part can support the temperature and humidity sensor main body when the temperature and humidity sensor main body is used, and when the temperature and humidity sensor main body and the temperature and humidity regulator main body are not used, the supporting protection part can rotate the temperature and humidity sensor main body into the protection box; at the moment, the temperature and humidity sensor main body can be protected through the supporting protection piece and the protection box, and then the situation that the temperature and humidity sensor main body is collided and damaged in the moving process is reduced.

The utility model provides a device for detecting the HS (hydrogen sulfide) adsorption performance of activated carbon, which comprises an air treatment component, a hydrogen sulfide treatment component and a determination component, the air treatment assembly comprises an air purifier, a silica gel dryer and a humidity regulator which are sequentially connected, a first branch pipe and a second branch pipe are arranged on a second air pipe at an air outlet of the silica gel dryer, the first branch pipe is communicated with the humidity regulator, and air outlets of the second branch pipe and the humidity regulator are both communicated with the first air inlet pipe; the hydrogen sulfide treatment assembly comprises a hydrogen sulfide gas cylinder and a gas filter; the gas filter is connected with the second gas inlet pipe; the measuring assembly comprises a mixer and a measuring device, the first air inlet pipe and the second air inlet pipe are communicated with the mixer, and the mixer is communicated with the measuring device. The device is high in gas flow control precision and accuracy, more stable in air humidifying effect and long in service life, and detection is more convenient and accurate.

The tobacco leaf scanning device comprises a box body, a frame body, a temperature and humidity regulator, imaging equipment, a lamp, a transparent partition plate, a temperature and humidity control panel, a microprocessor and an imaging control panel, a temperature and humidity regulator, a transparent partition plate, a microprocessor, at least two imaging devices and at least one lamp are arranged inside the box body, and a temperature and humidity control panel and an imaging control panel are arranged outside the box body; the temperature and humidity regulator regulates the temperature and humidity in the box body, the transparent partition plate supports a target tobacco leaf sample, the microprocessor processes a multi-view image of the target tobacco leaf sample shot by the imaging equipment, and the lamp provides a target light source for the interior of the box body; the temperature and humidity control panel receives the target temperature and humidity information and controls the temperature and humidity regulator to be turned on or turned off; and the imaging control panel controls the opening or closing of the imaging equipment. According to the scheme, a small placing space is provided for the tobacco leaf sample, the accuracy and efficiency of environment condition setting can be improved, and imaging is more accurate and efficient.

The invention provides full-automatic white tea processing equipment, and relates to the technical field of white tea processing. An air inlet is formed in the bottom of the box body, an exhaust port is formed in the side of the box body, an induced draft fan is arranged at the exhaust port, the white tea bearing structures are arranged in the box body at intervals, one end of the air duct communicates with the air inlet, and the other end of the air duct communicates with an air outlet of the white tea bearing structures; the temperature regulation and control assembly is arranged in the white tea bearing structure and is used for regulating and controlling the temperature in the box body; and the humidity regulator communicates with the processing box through an air supply pipe and is used for regulating and controlling the humidity in the box body. According to the equipment, the infrared moisture monitor is used for dynamically monitoring the shape and moisture change of tea leaves in the white tea processing process, real-time data collected by the temperature and humidity sensor is combined, and the central control system is matched with the temperature regulation and control assembly, the humidity regulator and the air control system, so that the processing conditions are optimized and oriented; the processing efficiency is improved, meanwhile, the quality of finished products is accurately controlled, and standardized and automatic white tea processing is achieved.

The present invention relates to the field of printing and dyeing technology, and specifically relates to a temperature and humidity control system for a high-temperature treatment device for textile printing and dyeing, including a heating module, a feeding module, and a temperature and humidity control module; the temperature and humidity control module includes a controller, and the controller is electrically connected to a humidity regulator and a temperature regulator; the controller is electrically connected to a heating module and a temperature and humidity control mechanism; the heating module and the temperature and humidity control mechanism are jointly electrically connected to a temperature sensor and a humidity sensor; the humidity regulator includes a humidity setter, a first detection unit, and a first setting unit, the humidity setter is electrically connected to the first detection unit and the first setting unit, the first detection unit is electrically connected to the first setting unit, the first detection unit is electrically connected to the humidity sensor, and the first setting unit is electrically connected to the controller.

The invention relates to the technical field of artificial board production, and provides an artificial plywood production system.The artificial plywood production system comprises the steps that firstly, a controller obtains and responds to a blank assembling instruction, and first humidity and first temperature are obtained; then generating a first moment, a first control quantity, a second control quantity and a first duration according to the first humidity, the first temperature, the current moment and the embryo assembly starting moment; and finally, at the first moment, the temperature and humidity regulator is started to work at the first control quantity, and after the temperature and humidity regulator continuously works for the first duration, the temperature and humidity regulator is controlled to work at the second control quantity. Thus, before the blank assembling process is formally started, the temperature and humidity in the blank assembling frame body are adjusted to be within the temperature and humidity range suitable for prolonging the glue opening time, and in the blank assembling process, under the condition that temperature and humidity exchange exists between the blank assembling frame body and the outside, the glue opening time is prolonged. And the temperature and humidity in the blank assembling frame body are controlled to be within the temperature and humidity range suitable for prolonging the glue opening time as much as possible, so that the cold pressing effect of the plate is improved, and the overall quality of the plywood is improved.

The utility model relates to the technical field of processing devices, and discloses an embolism particle ball mixing processing device which comprises a cabinet body humidity regulator and a sliding rail inner plate humidity regulator, a plurality of stand column humidity regulators are arranged on the inner wall of the cabinet body humidity regulator, and a plurality of stand column humidity regulators are arranged on the inner wall of the sliding rail inner plate humidity regulator. Sliding rail outer plate humidity adjusters are fixedly connected between the adjacent stand column humidity adjusters, and the inner walls of the sliding rail outer plate humidity adjusters are slidably connected with the outer walls of the sliding rail inner plate humidity adjusters. According to the utility model, the plurality of slide rail groups are fixed on the upright post, and the culture plate is provided with the plurality of culture dish grooves and is fixed in the slide rail groups, so that culture operations of different batches and a large number can be carried out in the experiment cabinet, and an operator can culture a plurality of groups of cultures within the time of culturing one group of cultures; the working efficiency of operators is improved, and the culture success rate is increased.

The invention discloses a device and method for detecting the bending stiffness of a glued laminated wood beam, and relates to the technical field of building materials. The device and method comprise a detection box and a material storage box, wherein a bending device is arranged on the top of the detection box, a supporting device is arranged inside the detection box, a material changing system is arranged in the material storage box, and a plurality of material storage barrels are installed in the material changing system, a connecting hole is opened in the right box wall of the material storage box, the connecting hole is connected with the material storage box through the connecting box, a conveyor belt for transferring materials between the detection box and the material storage box is arranged in the connecting box, and a humidity regulator and a temperature regulator are also arranged in the detection box; the device and the method can make the selection of different combinations of different degrees of temperature and humidity of the structure of the glued laminated wood beam itself and the temperature and humidity of the environment in which it is located more diverse and refined, thereby facilitating the detection data of the bending stiffness of the glued laminated wood beam to be more real and effective, and making the detection efficiency higher.

The invention belongs to the technical field of electronic engineering, and particularly relates to a multifunctional MCU automatic detection system, the detection system is used for MCU multi-item detection, the multifunctional MCU automatic detection system comprises an MCU system test platform, a functional environment adjusting module and a computer analysis module, the MCU system test platform is composed of a logic analyzer, an oscilloscope, a placement table and an adapter, and the logic analyzer is connected with the oscilloscope. The oscilloscope is electrically connected with the tested MCU through the adapter, stable connection between the MCU and the MCU system test platform is ensured, the functional environment adjusting module is composed of a temperature regulator, a humidity regulator, a vibration generator and a radiation generator, and more accurate and reliable environment simulation is achieved. The computer analysis module is composed of a test parameter program and a test environment function verification program, control steps are simplified, the automation effect of equipment is improved, the test environment function verification program is used for function detection of the tested MCU in different test environments, and high quality and reliability of products are guaranteed.

The utility model relates to the technical field of temperature and humidity adjustment, and discloses a temperature and humidity adjusting device for flower mushroom planting, which comprises a planting room, the top of the planting room is fixedly connected with a water tank, the water tank is internally provided with a water supply assembly, and the outer bottom side of the water supply assembly is rotatably connected with a water storage frame. The top of the water storage frame is fixedly connected with a rotating ring, the exterior of the water storage frame is fixedly connected with a driven wheel, the exterior of the driven wheel is sleeved with a belt, the exterior of the water storage frame is fixedly connected with a plurality of connecting pipes, and the far sides of the connecting pipes are fixedly connected with atomizing nozzles. According to the flower mushroom planting room, spraying of water mist in the flower mushroom planting room can be more uniform, meanwhile, temperature and humidity adjustment in the planting room can be more effectively and conveniently controlled, a temperature and humidity regulator can be rapidly mounted and dismounted, and therefore the maintenance efficiency of the regulator can be greatly improved.

According to an example aspect of the present disclosure, there is provided a humidity regulator (144) for an electrochemical system (100). The humidity regulator has a composite membrane (3), which features a layered structure that has attached together a porous base layer (1), and a functional layer (2). The functional layer contains cellulose, on at least one surface of the porous base layer (1).

The invention relates to the technical field of nuclear power equipment corrosion protection, and discloses a power plant circulating water filter screen corrosion simulation experiment device and method.The power plant circulating water filter screen corrosion simulation experiment device comprises a water tank, a rotating wheel assembly, a fluid circulation assembly, a gas circulation assembly and an environment control assembly; the rotating wheel is rotationally arranged in the water tank and provided with an installation point, the two ends of the water inlet pipe communicate with the output end of the water pump and the water cavity correspondingly, the two ends of the water return pipe communicate with the input end of the water pump and the water cavity correspondingly, and the two ends of the air inlet pipe communicate with the output end of the humidity regulator and the air cavity correspondingly. The two ends of the air return pipe are communicated with the input end of the humidity regulator and the air cavity respectively, and the heating element is arranged in the water cavity, so that complex environments such as water flow speed, water temperature change, dry-wet alternation time and air humidity of the drum-shaped filter screen of the nuclear power plant in actual work can be comprehensively simulated; the corrosion mechanism of the drum-shaped filter screen can be accurately researched, and effective anti-corrosion measures can be formulated.

The utility model discloses a temperature and humidity regulator based on automatic control. The temperature and humidity regulator comprises a regulating shell and a dismounting mechanism, a top cover is buckled to the front end of the adjusting shell, and a temperature sensor and a humidity sensor are arranged on the front side of the top cover; the dismounting and mounting mechanism comprises locking columns, synchronous rods, linkage rods, triangular seats and locking holes, the locking columns are slidably connected to the left wall and the right wall of the top cover respectively, every two vertically adjacent locking columns form a group, one synchronous rod is arranged between each group of locking columns, a first sliding groove is formed in the front wall of the top cover, the triangular seats are slidably connected to the interiors of the first sliding grooves, and the linkage rods are slidably connected to the left wall and the right wall of the top cover. According to the temperature and humidity regulator based on automatic control, the top cover is mounted and limited through elastic insertion, and all locking points of the top cover can synchronously perform locking movement or locking release through the transmission element; therefore, the top cover can be quickly detached and separated when the automatic humiture regulator is detached and overhauled.

According to an example aspect of the present disclosure, there is provided a humidity regulator (144) for an electrochemical system (100). The humidity regulator has a composite membrane (3), which features a layered structure that has attached together a porous base layer (1), and a functional layer (2). The functional layer contains cellulose, on at least one surface of the porous base layer (1).