Condensation dehumidification device

The utility model relates to a condensation dehumidification device which comprises a testing box and a dehumidification chamber, the testing box is connected with the dehumidification chamber, a testing bin is arranged in the testing box, a temperature and humidity sensor is arranged in the testing bin, a high-pressure fan, a filter, a compressor, a plate heat exchanger, a water spraying tower and a humidifier are arranged in the dehumidification chamber, and the high-pressure fan is communicated with the filter. A circulating water pump is arranged between the plate heat exchanger and the water spraying tower, the water spraying tower is further connected with a flow meter, a flow valve is arranged between the water spraying tower and the flow meter, the flow meter is connected with a first three-way valve, and the first three-way valve is connected with a second three-way valve and the air inlet end of a humidifier. The air outlet end of the humidifier is communicated with the second three-way valve; and t