# US 12,119,787 B2 · Wireless non-invasive device for monitoring current directly in the wiring of photovoltaic installations

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- Number: US 12,119,787 B2
- Document ID: US12119787B2
- Status: Granted
- Kind: B2
- Application number: 17/914,310
- Filed: 2021-02-23
- Published: 2023-04-20
- Granted: 2024-10-15
- Earliest claimed: 2020-03-25
- Assignees: Chemik Tarazona, S.L.U.
- Applicants: Chemik Tarazona, S.L.U.
- Inventors: Hector Erdociain Gil
- Web page: https://patentgrep.com/patent/US12119787B2

## CPC

- H02S 50/00: Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S 50/10: Testing of PV devices, e.g. of PV modules or single PV cells (testing of semiconductor devices during manufacturing {H10P74/00})
- G01R 11/04: Housings; Supporting racks; Arrangements of terminals
- G01R 15/202: {using Hall-effect devices (Hall elements in arrangements for measuring electrical power G01R21/08)}
- G01R 19/0092: {Measuring current only}
- H02S 40/36: characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
- G06K 19/0723: {the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs}
- Y02E 10/50: Photovoltaic [PV] energy
- H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00)
- G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12)
- G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

A wireless, non-invasive equipment for the monitoring of current flow directly in the wiring of the photovoltaic installations without having to cut the wire, that aims to remotely monitor and send the current readings of the wiring coming out of the photovoltaic solar panels, without having to disconnect the wires is disclosed. It consists in a portable housing, including inside a control circuit with its corresponding microprocessor and its DC/DC. The microprocessor is connected to different Hall effect sensors in order to measure the current flow through the wires of the installation and a RIFD reader for the identification of the installation. The equipment has a wireless communications module that sends the measured values together with the identification code of the installation.

## Claims

### Claim 1

A wireless, non-invasive equipment for monitoring of current flow directly in wiring of a photovoltaic installation, comprising:
a portable housing (1) enclosing a control circuit (2) and a direct current to direct current (DC/DC) device (3);
wherein the control circuit has a corresponding microprocessor connected to each of one or more Hall effect sensors (4), which each monitors a current flow through an associated set of wires of the photovoltaic installation, the corresponding microprocessor configured to obtain a value for the current flow through each set of wires based on an output from the one of the one or more Hall effect sensors (4) associated with that set of wires;
a radio frequency identification (RIFD) reader (6) associated with the corresponding microprocessor for reading identifiers corresponding to each set of panels in the photovoltaic installation; and
a wireless communications module (7) for sending the obtain current values together with the identifiers ready by the RFID reader (6) through an associated antenna.

### Claim 2 (depends on 1)

The wireless, non-invasive equipment of claim 1, further comprising a solar photovoltaic panel coupled to the DC/DC device (3) for providing power for the wireless, non-invasive equipment.

### Claim 3 (depends on 1)

The wireless, non-invasive equipment of claim 1, further comprising an auxiliary photovoltaic panel coupled to the DC/DC device (3) via connectors (9) so that the auxiliary photovoltaic panel provides power for the wireless, non-invasive equipment.