42results about How to "Meet the needs of dehumidification" patented technology

The application relates to the technical field of intelligent home appliances and discloses a control method for air-conditioning dehumidification. The control method comprises the following steps ofacquiring ambient temperature and set temperature in a dehumidification mode; and when the difference between the ambient temperature and the set temperature meets first conditions, controlling the frequency of a compressor to be first frequency, and periodically correcting the frequency of the compressor. The frequency of the compressor can be controlled according to indoor ambient temperature ofan air conditioner while dehumidifying, and the frequency is corrected according to the set temperature and current ambient temperature, so that the frequency of the compressor is accurately controlled while the dehumidifying demand of an indoor room is met, and indoor air is stably regulated and use comfort of users is improved. The embodiment of the invention further provides a control device for the air-conditioning dehumidification and the air conditioner.

The invention provides a device and a method for direct air-side natural cooling. The method for direct air-side natural cooling includes: measuring temperature and humidity of outdoor fresh air; treating the outdoor fresh air according to the temperature and the humidity of the outdoor fresh air to acquire treated air; using the treated air for cooling equipment in a central data room. By the device and the method for direct air-side natural cooling, the central data room can be cooled naturally all year round, and mechanical refrigeration does not need to be provided all the time, so that energy saving effects are remarkable; a refrigerating machine for preparation of low-temperature chilled water is not needed, the requirement on dehumidification can be met by air mixture or low-temperature tap water, and accordingly investment cost and operating cost can be saved.

The invention relates to the technical field of intelligent household appliances, and discloses a control method used for air conditioner dehumidification. The control method comprises the following steps of: under a dehumidification mode, obtaining an environment temperature and a set temperature; when a difference value between the environment temperature and the set temperature meets a first condition, controlling a compressor to operate according to initial frequency; according to the temperature of an inner coil pipe, setting the operation frequency of the compressor; and while the dehumidification is carried out, according to the temperature of the inner coil pipe, correcting the frequency of the compressor. Therefore, when an indoor room dehumidification requirement is met, the frequency of the compressor is accurately controlled to stably regulate indoor air so as to improve the use comfort level of a user. The embodiment of the invention also provides a control device used forthe air conditioner dehumidification, and an air conditioner.

The invention provides a control method of an air conditioner and the air conditioner. The method comprises the steps of obtaining the outdoor environment temperature, the indoor environment temperature and the indoor environment relative humidity; determining that the outdoor environment temperature is greater than a first temperature threshold, further determining that the indoor environment temperature is less than or equal to a second temperature threshold and the indoor environment relative humidity is greater than or equal to a dehumidification humidity threshold, and controlling the airconditioner to enter a dehumidification mode; obtaining a comfortable stage target temperature in the dehumidification mode according to the outdoor environment temperature and the indoor environmentrelative humidity; and controlling the air conditioner to operate according to the comfortable stage target temperature in the dehumidification mode, and controlling the state of an indoor environment adjusting component of the air conditioner based on the comfortable stage where the air conditioner is located in the dehumidification mode. According to the control method of the air conditioner provided by the embodiment of the invention, the indoor comfort can be improved when the air conditioner operates in the dehumidification mode.

The invention discloses a refrigerant circulation system, a method for controlling dehumidification of an air conditioner and the air conditioner. The refrigerant circulation system comprises a compressor, a reversing device, an outdoor heat exchanger, an indoor heat exchanger, a first electronic expansion valve, a flow dividing pipeline and a second electronic expansion valve, wherein the flow dividing pipeline is connected with the reversing device and the outdoor heat exchanger, and the second electronic expansion valve is arranged on the flow dividing pipeline; the indoor heat exchanger comprises a first indoor heat exchange unit, a second indoor heat exchange unit and a third electronic expansion valve, the first end of the first indoor heat exchange unit is connected with the first electronic expansion valve, and the second end of the first indoor heat exchange unit is connected with the first end of the second indoor heat exchange unit; and the second end of the second indoor heat exchange unit is connected with a fourth pipe opening of the reversing device, and the third electronic expansion valve is arranged between the first indoor heat exchange unit and the second indoor heat exchange unit. The refrigerant circulation system can provide a hardware basis for the air conditioner to realize various dehumidification modes, and is low in cost and wide in application range.

The invention relates to a vertical type cross-flow air conditioner with a top air outlet function, and a control method. The vertical type cross-flow air conditioner with the top air outlet function comprises a shell, a heat exchanger assembly, a volute assembly, a top air outlet assembly and a front air outlet assembly, wherein the shell is vertically arranged and is of a long cylinder structure, and the heat exchanger assembly, the volute assembly, the top air outlet assembly and the front air outlet assembly are mounted in the shell; the top air outlet assembly is mounted at the top of the interior of the shell, and part of air flow, subjected to heat exchange through the heat exchanger assembly, in the shell is exhausted from the top; the volute assembly is located below the top air outlet assembly, and the front air outlet assembly is mounted in the volute assembly; a mounting support is fixed to the inner side wall of the shell, and the top air outlet assembly is fixedly mounted at the upper end of the mounting support; and gaps are reserved between the lower end of the mounting support and the upper end of the volute assembly as well as between the lower end of the mounting support and the upper end of the heat exchanger assembly. According to the vertical type cross-flow air conditioner with the top air outlet function, and the control method, the mounting support is fixed to the inner side wall of the shell, and the gaps are reserved in the lower end of the mounting support, so that the whole top air outlet assembly is borne by the shell, and the situation that the performance of the whole air conditioner is affected due to the fact that the volute assembly or the heat exchanger assembly at the lower end of the mounting support is overloaded is avoided.

The invention belongs to the technical field of air dehumidification and particularly relates to a window capable of performing dehumidification. When the window capable of performing the dehumidification works, first air fans located at the upper portion of a window body are started, outdoor air enters from an air inlet of a precooler at the lower portion of the window body and enters into the window body after being cooled and dehumidified by the precooler, solid adsorption dehumidification layers perform adsorption dehumidification on the air, then the dehumidified air enters indoors through a first air outlet face, and the dried fresh air is obtained indoors. According to the window capable of performing the dehumidification, the outdoor air is cooled and dehumidified by the precooler,influence of condensation heat in the subsequent dehumidification process of the solid adsorption dehumidification layers is reduced, the dehumidification efficiency is improved, air temperature rising is reduced, the solid adsorption dehumidification layers are reliable and still have good dehumidification performance in low-humidity environment, the dehumidification requirements of residentialbuildings can be met well, the operation energy consumption is low, and the problems existing in an existing dehumidification technology of high energy consumption and difficult integration with building components are solved.

The invention discloses a refrigerant circulation system, a method for controlling dehumidification of an air conditioner and the air conditioner. The refrigerant circulation system involves a compressor, a reversing device, an outdoor heat exchanger, an indoor heat exchanger, a first electronic expansion valve, a diverting pipeline, an electromagnetic valve and a capillary tube, wherein the diverting pipeline is connected with the reversing device and is connected with the outdoor heat exchanger through the capillary tube, and the electromagnetic valve is arranged on the diverting pipeline; and the indoor heat exchanger comprises a first indoor heat exchange unit, a second indoor heat exchange unit and a second electronic expansion valve, the first end of the first indoor heat exchange unit is connected with the first electronic expansion valve, the second end of the first indoor heat exchange unit is connected with the first end of the second indoor heat exchange unit, the second end of the second indoor heat exchange unit is connected with a fourth pipe opening of the reversing device, and the second electronic expansion valve is arranged between the first indoor heat exchange unit and the second indoor heat exchange unit. According to the refrigerant circulation system, the air conditioner can achieve multiple dehumidification modes, cost is low, and the application range is wide.

The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner and a dehumidification control method thereof. The problems that when an existing air conditioner dehumidifies through an air volume reducing method, the dehumidifying effect is poor and the air output volume of the air conditioner is affected are solved. An indoor unit of the air conditioner comprises a first heat exchange branch and a second heat exchange branch which are arranged in parallel, wherein the first heat exchange branch is provided with a first heat exchanger and a first expansion valve, and the second heat exchange branch is provided with a second heat exchanger and a second expansion valve. The dehumidification control method of the air conditioner comprises thefollowing steps that dew point temperature of indoor air is acquired; the saturated evaporation temperature of the indoor unit is acquired; and according to the dew point temperature of the indoor airand the saturated evaporation temperature of the indoor unit, the opening degrees of the first expansion valve and / or the second expansion valve are selectively adjusted, so that it is effectively ensured that the air supply volume of the air conditioner is not affected on the basis of ensuring that the dehumidification capacity of the air conditioner can be effectively improved.

The invention relates to an automatic child safety seat dehumidification device and dehumidification method. The device comprises a seat back, a seat body, a humidity sensing mechanism, a control mechanism, an air supply mechanism, a heating mechanism and a ventilation gasket, wherein the humidity sensing mechanism is arranged on the seat body and is used for sensing ambient humidity around the seat body, the control mechanism is used for controlling the air supply mechanism and / or the heating mechanism to work according to the humidity information, the air supply mechanism is arranged in theseat body and is used for conveying air, the heating mechanism is arranged on the ventilation gasket and is used for heating, the ventilation gasket is arranged on the seat back and / or the surface ofthe seat body, a ventilation duct is arranged in the ventilation gasket, a ventilation hole is formed in the seat back and / or the seat body, an output air outlet of the air supply mechanism communicates the ventilation duct through the ventilation hole, and through the air conveyed into the ventilation duct by the air supply mechanism and / or the heating effect of heating mechanism on the ventilation gasket, the humidity of the surface of the seat body is reduced. The device has the advantages that the structure is simple, the operation is convenient, the requirement for dehumidification on thechild seat is met, and the sitting comfort of children is improved.

The application relates to the technical field of intelligent home appliances and discloses a control method for air-conditioning dehumidification. The control method comprises the following steps ofacquiring ambient temperature and set temperature in a dehumidification mode; and when the difference between the ambient temperature and the set temperature meets first conditions, controlling targettemperature of an indoor coil to be first temperature, and periodically correcting the target temperature of the indoor coil. The target temperature of the indoor coil can be controlled according toindoor ambient temperature of an air conditioner while dehumidifying, and a target temperature value is periodically corrected, so that the target temperature for operation of the indoor coil is accurately set and corrected while the dehumidifying demand of an indoor room is met, and further indoor air is stably regulated and use comfort of users is improved. The embodiment of the invention further provides a control device for the air-conditioning dehumidification and the air conditioner.

The invention provides an air conditioner and a control method thereof. The method comprises the steps of acquiring the outdoor environment temperature, the indoor environment temperature, the indoor environment relative humidity and the indoor instantaneous sampling relative humidity; determining that the outdoor environment temperature is larger than a first temperature threshold value; according to the indoor environment temperature and the indoor environment relative humidity, determining a comfortable operation mode of the air conditioner, wherein the comfortable operation mode comprises a dehumidification mode and a refrigeration mode, and each of the dehumidification mode and the refrigeration mode comprises an initial comfortable stage, a stable comfortable stage and a healthy comfortable stage which are sequentially arranged in the time sequence; according to the indoor environment relative humidity and the outdoor environment temperature, obtaining the comfortable stage target temperature under the comfortable operation mode; and according to the comfortable stage target temperature, the indoor environment temperature, the indoor environment relative humidity and the indoor instantaneous sampling relative humidity, controlling the rotating speed of an indoor draught fan. According to the control method of the air conditioner in an embodiment of the invention, the indoor comfort degree of the air conditioner during operation under the comfortable operation mode is improved.

The invention discloses an energy-saving environment humidity control and air water production method and system, and belongs to the cross technical field of environment humidity control, energy recovery and water quality purification. The environment humidity control and air water production system comprises an air inlet fan, a water vapor adsorption and desorption and latent heat recovery integrated device, a catalytic oxidation reactor, an air compressor, an air circulation control assembly, a measurement and control system and a water quality deep filtration and purification assembly. The water vapor adsorption and desorption and latent heat recovery integrated device comprises a heater, a pipe bundle condenser, an inner filter screen, an outer filter screen, a water absorption material and a vacuum heat preservation shell, wherein the heater is fixedly mounted on one side of the tube nest condenser, the pipe bundle condenser is fixedly mounted in an inner cavity of the outer filter screen, the inner filter screen is fixedly mounted on the inner side of the pipe bundle condenser, the outer filter screen is fixedly mounted on the outer side of the pipe bundle condenser, and a water absorption material is arranged in an inner cavity between the outer filter screen and the inner filter screen.

The invention discloses an integrated sterilization ultra-clean dehumidifier which comprises a primary filter, a condenser, an efficient filter, an ultraviolet lamp, an evaporator, a fan, a condensatewater tray, a booster pump, a compressor, a machine shell and a control system. The integrated sterilization ultra-clean dehumidifier is mainly applied to subway stations, railway waiting halls, airports, hospitals, government lobbies and other crowded places. According to the integrated sterilization ultra-clean dehumidifier, an advanced design concept is adopted, dual functions of sterilizationand dehumidification are considered, SARS and novel coronaviruses can be effectively killed, and the integrated sterilization ultra-clean dehumidifier has the characteristics of high sterilization rate, safety, reliability, intelligent management, compact structure, high efficiency, energy conservation and the like.

The invention relates to a single-cross-flow air conditioner capable of exhausting air from the top and a control method. The single-cross-flow air conditioner comprises a vertically-arranged shell of a long barrel structure, a heat exchanger assembly, a top air outlet assembly, a volute assembly and a front air outlet assembly, wherein the heat exchanger assembly is installed in the shell, the top air outlet assembly is installed at the top end inside the shell, and the volute assembly is located below the top air outlet assembly. The shell is provided with an air inlet and a front air outlet respectively. The top of the shell is provided with a top air outlet. The top air outlet assembly is made communicated with the air inlet and the top air outlet respectively. An air cavity is defined by the volute assembly, the shell, the heat exchanger assembly and the top air outlet assembly. A partition plate for dividing the air cavity into an upper cavity and a lower cavity is fixed to the middle of the air cavity. The upper cavity is made communicated with the top air outlet assembly, and the front air outlet assembly is installed in the lower cavity and made communicated with the air inlet and the front air outlet respectively. By means of the single-cross-flow air conditioner, a top air outlet flue system and a front air outlet flue system do not affect each other, the problems that the air volume is lost and turbulent flow is produced due to mutual interference of two air flues are avoided, and the noise in the air conditioner can be reduced.

The invention relates to an independent temperature and humidity control system for a plant cabin in a severe cold area. The independent temperature and humidity control system comprises a first refrigerant circulation flow path, a second refrigerant circulation flow path, an air circulation flow path in the plant cabin, an outdoor fresh air flow path and an outdoor air heat dissipation flow path, wherein an evaporator end of the first refrigerant circulating flow path is connected with the air circulating flow path in the plant cabin in a heat exchange manner to realize temperature regulation and control; an evaporator end and a condenser end of the second refrigerant circulating flow path are sequentially connected with the air circulating flow path in the plant cabin in a heat exchange manner to realize humidity regulation and control; the outdoor fresh air flow path is communicated with the air circulation flow path in the plant cabin, so that the fresh air input process is regulated and controlled; the outdoor air heat dissipation flow path is arranged at the condenser end of the first refrigerant circulation flow path. Compared with the prior art, a set of steam compression type dehumidification system is integrated, independent and accurate control over humidity can be achieved, and the dehumidification system is independent of the external environment.

The invention discloses a moisture control method for a glass fiber insulating product. The glass fiber insulating product is dried, wound into a yarn cluster, packaged internally, and immediately stored in a storage room; a door and a window of the storage room are enclosed; a dehumidifier is arranged in the storage room; the dehumidifying capacity of the dehumidifier adapts to a dehumidifying amount required in the storage room; and the humidity of the air in the storage room is accordant with the storage environment requirement of the glass fiber insulating product. The glass fiber insulating product is kept under a dry condition in a process ranging from leaving from the storage room to sealing of an external package. Due to the adoption of the moisture control method for the glass fiber insulating product disclosed by the invention, outdoor wet air can be prevented from entering the storage room. Air in the storage room is dehumidified, and the humidity of the air in the storage room is accordant with the storage environment requirement of the glass fiber insulating product, so that the glass fiber insulating product can be kept in a dry state, residual moisture in the glass fiber insulating product is evaporated out, and a remarkable effect is achieved.

The invention relates to the technical field of dehumidification, and discloses a dehumidification device which comprises a shell, a first heat exchanger, a second heat exchanger and a third heat exchanger. The shell is provided with a dehumidification air inlet and a dehumidification air outlet; the first heat exchanger is arranged in the shell and located on the dehumidification air inlet side. The second heat exchanger is arranged on the leeward side of the first heat exchanger; the third heat exchanger is arranged on the leeward side of the second heat exchanger; airflow needing to be dehumidified flows into the shell through the dehumidification air inlet, sequentially flows through the first heat exchanger, the second heat exchanger and the third heat exchanger and then is blown out of the dehumidification air outlet. In the application, the states of the refrigerants flowing in the first heat exchanger, the second heat exchanger and the third heat exchanger can be selectively adjusted according to the dehumidification requirement of a user, namely, the temperature of the airflow blown out after dehumidification can be adjusted, the body feeling comfort of the user is improved, and the diversified dehumidification requirements of the user are met.

The invention discloses a horizontal dehumidifier comprising a horizontal case; the rear side of the case is provided with an air inlet, and the top surface of the case is provided with an air outlet;an evaporator is mounted at the air inlet of the case; a water-containing plate is positioned at the bottom of the evaporator; a water level sensor is positioned above the water-containing plate andis connected with a control system; a water pump is connected with a water tank and the water-containing plate and is also connected with the control system; a compressor is connected with the evaporator and the condenser and located between the evaporator and the condenser; a condenser is located at a fan air inlet in the side face of a fan set; dehumidified air sequentially passes through the fan air inlet and the air outlet of the case along with hot air and then is output into the air. The water tank is not arranged below the evaporator any more, the water tank and the evaporator are assembled in a separated mode, the height size of the whole device is reduced in combination with the unique air duct design, so that the dehumidifier can be changed into a horizontal type from a verticaltype, and the dehumidification requirement for clothes in a wardrobe or air in other small empty rooms is met.

The invention discloses a moisture-proof textile storage device. The moisture-proof textile storage device comprises a storage box; a box door is hinged to the front surface of the storage box through a hinge; a tempered glass observation window is embedded in the top of the front surface of the box door; a pressing handle is embedded in the right side of the center of the front surface of the box door; a displayer is embedded in the left side of the center of the front surface of the box door; the bottom of the front surface of the box door communicates with a fixing frame; the front surface of the fixing frame is connected with an overhauling cover plate through bolts; and an inner cavity of the fixing frame is provided with a ventilation mechanism. According to the moisture-proof textile storage device disclosed by the invention, through cooperation of a ventilation hole, an electric motor, a driving gear, a first suction fan, a driven gear, a rotating rod and a second suction fan, moisture and redundant heat in the storage box can be timely ventilated, and moisture is prevented from being gathered in the storage box, and the overall quality of textile fabric is not affected; meanwhile, the dehumidification rate of moisture in the storage box is increased; and the temperature in the storage box can be sensed in real time through cooperation of a temperature and humidity sensor.

The invention relates to a vertical cross flow air conditioner with air capable of going out from the top and a control method. The vertical cross flow air conditioner comprises a vertically-arranged shell of a long-cylinder-shaped structure, a heat exchanger assembly, a volute assembly, an installing support, a top air outflow assembly and a front air outflow assembly, and the heat exchanger assembly, the volute assembly, the installing support, the top air outflow assembly and the front air outflow assembly are installed in the shell; the top air outflow assembly is installed on the top in the shell, and part of airflow, subjected to heat exchange through the heat exchanger assembly, in the shell is exhausted out from the top; the volute assembly is located below the top air outflow assembly, and the front air outflow assembly is installed in the volute assembly; the heat exchanger assembly and the volute assembly are vertically arranged, and the upper ends of the heat exchanger assembly and the volute assembly are aligned; the installing support is installed at the upper ends of the heat exchanger assembly and the volute assembly and is fixed to the heat exchanger assembly and / or the volute assembly in a clamped connection manner; and the top air outflow assembly is installed on the installing support. By means of the vertical cross flow air conditioner, part of the weight of the installing support can be borne on the heat exchanger assembly, the other part of the weight of the installing support can be borne on the volute assembly, the weight of the installing support can be dispersednd, stability of a complete machine structure is facilitated.

The invention relates to the technical field of semiconductors, in particular to a multi-stage dehumidification device, a waste gas treatment system and a dehumidification control method.The multi-stage dehumidification device comprises a shell, a first fan, a heat exchange assembly and a second fan, the first fan, the heat exchange assembly and the second fan are located in the shell and sequentially arranged in the flow direction of gas in the shell, and the first fan, the heat exchange assembly and the second fan are coaxially arranged. Gas is cooled at the heat exchange assembly, moisture in the gas is condensed, the convection effect of gas flowing is enhanced through the first fan and the second fan, cooling and drying of the gas are accelerated, the dehumidification effect on the gas is achieved, and the exhausted gas meets the temperature and humidity requirements. The multi-stage dehumidification device can be directly installed in a waste gas treatment system under the condition that negative pressure is not affected, the dehumidification effect is achieved, existing equipment can be conveniently transformed, and the machine replacement cost required by factory dehumidification is reduced. The requirements for temperature and humidity in the semiconductor manufacturing process are met, the dehumidification capacity of equipment is improved, and the risks of falling of accumulated water and high-risk crushing of an acid discharge pipeline at a factory service end are reduced.

The invention discloses a high-efficiency energy-saving control system of a combined air conditioning unit based on a single cold source. The high-efficiency energy-saving control system of the combined air conditioning unit based on the single cold source comprises an equipment part, and a pipeline and valve part for connecting various equipment, wherein the equipment part comprises a refrigeration host, a fan coil for cooling, and a fresh air unit for dehumidifying; and the pipeline and valve part comprises a coiler check valve, a coiler adjusting valve, a secondary adjusting valve, a freshair check valve, a fresh air water-return valve, a fresh air adjusting valve, a water return adjusting valve, a bypass valve, and pipelines for connecting the various equipment and the valves. According to the scheme, the refrigeration host has no need to produce two chilled water. Through valve adjustment, the chilled water supply amount of a dehumidifying system and a cooling system can be reasonably distributed. The aim of meeting different demands on the temperature of the chilled water required for cooling and dehumidifying under the condition of a single cold source is achieved.

A semiconductor demoistener using semiconductor device as refrigerating part is composed of heat exchanger with alternative air inlet and outlet channels, condenser consisting of refrigerating heat-conducting base plate, refrigerating semiconductor block and heat dissipating and conducting base plate, condensing fins and heat-dissipating fins respectively on said base plates and water scraper on heat conducting base plate. It features high condensing and demoistening effect.

The invention relates to a single cross-flow air conditioner capable of blowing out air and a control method thereof. The single cross-flow air conditioner includes a vertically arranged elongated cylindrical shell, a heat exchanger assembly installed in the shell, and a The top air outlet assembly at the top of the housing, the volute assembly located below the top air outlet assembly, and the front air outlet assembly; the housing is respectively provided with an air inlet and a front air outlet, and the top is provided with a top air outlet; the top air outlet The components are respectively connected with the air inlet and the top air outlet; the volute component, the shell, the heat exchanger component, and the top air outlet component form an air chamber, and the middle part of the air chamber is fixed with a valve for separating the air chamber into an upper chamber and a lower chamber. The partition of the cavity; the upper cavity communicates with the top air outlet assembly, and the front air outlet assembly is installed in the lower cavity and communicates with the air inlet and the front air outlet respectively. The invention makes the top outlet air duct system and the front air outlet air duct system independent of each other, avoids the loss of air volume and generation of turbulent flow caused by mutual interference of the two air ducts, and is beneficial to reducing the noise in the air conditioner.

The invention relates to a vertical cross-flow air conditioner with air outlet from the top and a control method thereof. The vertical cross-flow air conditioner includes a vertically arranged elongated cylindrical shell and a heat exchanger assembly installed in the shell, The volute assembly, the mounting bracket, the top air outlet assembly and the front air outlet assembly; the top air outlet assembly is installed on the top of the housing, and discharges a part of the air flow in the housing after heat exchange by the heat exchanger assembly from the top; the volute assembly is located at Below the top air outlet assembly, the front air outlet assembly is installed in the volute assembly; the heat exchanger assembly and the volute assembly are arranged vertically with the upper ends flush, and the mounting bracket is installed on the upper end of the heat exchanger assembly and the volute assembly and is aligned with the heat exchanger assembly The heater assembly or / and the volute assembly are clamped and fixed, and the top air outlet assembly is installed on the mounting bracket. The invention can make a part of the installation bracket bear the load on the heat exchanger assembly, and another part bear the load on the volute assembly, so that the weight of the installation bracket can be dispersed, which is beneficial to the stability of the whole machine structure.

The invention discloses a movable cable ditch dehumidifier, and relates to the technical field of cable ditch dehumidifying. The structure of the movable cable ditch dehumidifier is that the back surface of a box body is hinged to a box cover through hinges; the front surface of the box body is buckled with the box cover through a hasp A and a hasp B; the front end and the rear end of the box bodyare respectively fixed with an air inlet pipe connector and an air outlet pipe connector through bolts; an evaporator, a water tank, a compressor, a condenser and a fan are fixedly arranged in the box body, wherein the evaporator, the compressor and the condenser are connected with one another through pipelines; a plurality of small holes are formed in the top of the water tank; and an air outletof the fan is connected with the air outlet connector. The movable cable ditch dehumidifier has the beneficial effects that a dehumidifying effect is achieved on the interior of a cable ditch by circulating the processes of sucking wet air in the cable ditch into the dehumidifier through an air inlet pipe, removing water and drying, and feeding dry air into the cable ditch through an air outlet pipe by utilizing the air conditioner dehumidifying principle, so that the labour force is liberated; the production efficiency is improved; the operation is convenient; the space is not occupied; thedehumidifying range is range; and the requirements on dehumidifying the cable ditch in different areas can be met.