Food temperature monitoring device

Abstract

Temperature monitoring device of a matter that is at least partly made of water, such as food, comprising a wireless temperature sensor comprising: a temperature transducer of the said matter; an electromagnetic wave transmitter circuit connected electrically with the temperature transducer, comprising a converter of electric signals transmitted from the transducer in the form of electromagnetic signals; a hermetic and good thermal conductive case designed to be fitted out with the electric system comprising the temperature transducer and the transmitter circuit; wherein the sensor is laid out so that the temperature transducer is located near to the transmitter circuit, thereby forming a compact unit. The invention further relates to a temperature monitoring process using the said temperature monitoring device.

1 . Wireless temperature sensor for sensing the temperature of a matter that is at least partly of water, including food, comprising: 
 a temperature transducer of said matter;    an electromagnetic wave transmitter circuit electrically connected to the temperature transducer, comprising a converter of electric signals coming from the transducer to electromagnetic type signals;    a hermetic and thermal conductive case designed to be fitted with the electric system comprising the temperature transducer and the transmitter circuit.    
   
   
       2 . Sensor according to  claim 1 , wherein the electric cell is near to the transducer and the transmitter circuit, thereby forming a compact unit.  
   
   
       3 . Sensor according to  claim 2 , wherein the electric cell is distant from the transmitter and the transducer so that it remains outside the matter when the sensor is inserted into the matter.  
   
   
       4 . Sensor according to  claim 3 , wherein the electric cell is protected against heat by a thermal insulating cover, thus forming a thermal shield.  
   
   
       5 . Sensor according to  claim 4 , wherein the cover is of silicone.  
   
   
       6 . Temperature monitoring device of a matter that is at least partly of water, including food, intended to be placed in an oven comprising: 
 a wireless temperature sensor comprising:    a temperature transducer of said matter;    an electromagnetic wave transmitter circuit electrically connected to the temperature transducer, comprising a converter of electric signals coming from the transducer to electromagnetic type signals;    a hermetic and thermal conductive case designed to be fitted with all of the electric system comprising the temperature transducer and the transmitter circuit;    wherein the sensor is laid out so that the temperature transducer is located near the transmitter circuit, thereby forming a compact unit to be completely inserted into said matter so that it can be only subjected to the heat present inside the matter; and    a control unit autonomous and independent from the oven behaviour, and controlling the thermal data transmitted from the sensor by electromagnetic waves, said control unit comprising:    a receiver for the type of electromagnetic waves transmitted by the sensor;    a micro-controller capable of controlling the thermal data in electromagnetic form received from the sensor by the receiver, and of transmitting at least a part of it to a user interface;    the user interface comprising transmission means of the thermal data in a form understandable to the user of the device.    
   
   
       7 . Device according to  claim 6 , wherein the control unit further comprises a memory capable of storing thermal data and wherein the micro-controller is capable of processing the thermal data received from the sensor in accordance with this thermal data.  
   
   
       8 . Device according to  claim 7 , wherein the user interface comprises an alarm, wherein thermal data stored in the memory corresponds to a temperature threshold, and in that the micro-controller triggers the alarm if the temperature detected by the sensor is greater than the temperature threshold.  
   
   
       9 . Temperature monitoring process according to  claim 8 , wherein the part of the sensor comprising the power supply is also inserted into said matter.