Device for monitoring pressure and temperature in layered water injection

The utility model provides a device for monitoring the pressure and the temperature in layered water injection, which comprises a joint, a fishing head, a positioning sleeve, a cam, a water nozzle, and a pressure cap of the water nozzle. The device is characterized in that a pressure gauge housing is installed outside the water nozzle, wherein an osculum is installed on the pressure gauge housing, and a pressure sensor and a temperature sensor are arranged inside the pressure gauge housing; and that a battery chamber is arranged under the cam, wherein a lithium battery and a circuit board are arranged in the battery chamber, and the circuit board is connected with the pressure sensor and the temperature sensor via lines. The device can accurately determine the layered water injection pressure (flow pressure) and the oil layer pressure of a water injection well, and can accurately detect the water absorption pressure and the temperature of a ground layer while carrying out water injection, which provides accur