Precise pressure control device of deepwater simulation hyperbaric chamber

The utility model belongs to the technical field of deepwater simulation hyperbaric cabins, and discloses a precision pressure control device of a deepwater simulation hyperbaric cabin, which comprises a liquid supply device, a first pressure cylinder, a second pressure cylinder, a first driving device, a second driving device and a second pressure measuring device, a first piston is arranged in the first pressure cylinder, the first driving device is used for driving the first piston to move, a second piston is arranged in the second pressure cylinder, the second driving device is used for driving the second piston to move, and the first pressure cylinder and the second pressure cylinder are respectively connected with a deepwater simulation hyperbaric cabin. And the second pressure measuring device is connected with the deepwater simulation hyperbaric chamber. The device has the advantages that the device is simple in structure, precise control over deepwater simulation pressure is achieved, the control pre