System for controlling the loading of one or more foods into a self-propelled mixing unit by means of a mechanical shovel mounted to a motor vehicle

1. A system ( 1 ) for controlling the loading of at least one food ( 2 ) into one or more self-propelled units ( 3 ) by means of a mechanical shovel ( 4 ), which is mounted to a motor vehicle ( 6 ) and is adapted to collect and load said food ( 2 ) into a self-propelled unit ( 3 ); said system ( 1 ) being characterized in that it includes:

a testing apparatus ( 7 ), which is mounted to said mechanical shovel ( 4 ) to determine a series of chemical-physical information related to the chemical components contained in the food ( 2 ) present in the shovel ( 4 ) during each loading;

weighing means ( 11 ), which is installed in a self-propelled unit ( 3 ) to measure the weight (P E ) of the food ( 2 ) contained in said self-propelled unit ( 3 );

wireless communication means ( 10 )( 19 ) through which said testing apparatus ( 7 ) communicates said chemical-physical information related to the components contained in said food ( 2 ) to said weighing apparatus ( 11 );

and wherein said weighing means ( 11 ) includes a processing means ( 20 ), which is adapted to determine, at each loading and according to said chemical-physical information detected by said testing apparatus ( 7 ), the weight (D P ) of a remaining amount of food ( 2 ) to be loaded into said self-propelled unit ( 3 ), so that each chemical-physical component of the food ( 2 ) in the self-propelled unit ( 3 ) at the end of the loading fulfils a predetermined condition.

2. A system according to claim 1 , wherein said weighing apparatus ( 11 ) includes a memory means ( 21 ) containing one or more predetermined diets, wherein each diet includes a list of the foods to be loaded into the self-propelled unit ( 3 ) to obtain the intended food composition; for each food ( 2 ), each diet including a predetermined, theoretical total weight (P O ) and a predetermined target weight (P 0C ) of each chemical component present in said food ( 2 ).

3. A system according to claim 2 , wherein said testing apparatus ( 7 ) is adapted to determine the content percentage (P M ) of each chemical component inside said food ( 2 ) present in said shovel ( 4 ); said processing means ( 20 ) is adapted to determine the actual weight (P W ) of each chemical component contained inside said self-propelled unit ( 3 ) according to the measured weight (P E ) and the content percentage (P M ) of the chemical component detected by said testing apparatus ( 7 ).

4. A system according to claim 2 , wherein said processing means ( 20 ) is adapted to adjust the predetermined, theoretical total weight (P O ) stored in said memory means ( 21 ) according to said deviation (ΔS) between the actual weight (P W ) of the chemical component contained in the food inside the self-propelled unit ( 3 ) and said theoretical target weight (P 0C ) of said chemical component included in said predetermined diet.

5. A system according to claim 4 , wherein said processing means ( 20 ) is adapted to adjust the value of said predetermined, theoretical total weight (P O ) so that said deviation (ΔS) between the actual weight (P W ) of the chemical component contained inside the self-propelled unit ( 3 ) and said theoretical target weight (P 0C ) provided by the predetermined diet is reduced to an essentially null value.

6. A system according to claim 4 , wherein said processing means ( 20 ) is adapted to determine a difference (D P ) between the weight (P E ) of the food ( 2 ) contained in said self-propelled unit ( 3 ) measured by the weighing apparatus ( 11 ) and the total weight (P O ) adjusted by the processing module ( 20 ).

7. A system according to claim 6 , wherein said processing means ( 20 ) is adapted to determine a difference (D T ) between the theoretical total weight (P 0 ) included in said predetermined diet and the total weight (P 0 ) obtained at the end of the loading, upon the adjustments and corresponding to the weight of the food actually loaded into the self-propelled unit ( 3 ).

8. A system according to claim 6 , including interface means ( 22 ) ( 23 ) adapted to generate a message in a visual and/or voice format indicating said difference (D P ) between the weight (P E ) of the food measured by the weighing apparatus ( 11 ) and the total weight (P O ) adjusted by the processing module ( 20 ) at each loading carried out by said shovel ( 4 ) into the self-propelled unit ( 3 ).

9. A system according to claim 8 , wherein said interface means ( 22 ) ( 23 ) are installed in said motor vehicle ( 6 ) and/or in said self-propelled unit ( 3 ).

10. A system according to claim 1 , wherein each weighing apparatus ( 11 ) of different self-propelled units ( 3 ) transmits a first loading request signal to the testing apparatus ( 7 ) at each new loading.

11. A system according to claim 10 , wherein upon the reception of said first loading request signal, the testing apparatus ( 7 ) recognizes a self-propelled unit ( 3 ) associated to the weighing apparatus ( 11 ) which sent the loading request signal and, at the same time, returns to a temporary condition of unavailable loading with regards to the remaining self-propelled units ( 3 ).

12. A system according to claim 1 , wherein said testing apparatus ( 7 ) includes optoelectronic means ( 8 ), which are installed in said shovel ( 4 ) to emit an electromagnetic radiation beam (F) towards the food ( 2 ) contained inside the mechanical shovel ( 4 ) and output a first signal (S P ) containing the electromagnetic radiation spectrum reflected by the food ( 2 ) contained in the shovel ( 4 ) itself.

13. A system according to claim 12 , wherein said testing apparatus ( 7 ) includes a processing unit ( 9 ) which processes said first signal (S P ) and determines the chemical components present in the food ( 2 ), on the basis of the reflected electromagnetic radiation spectrum.