# US 10,484,478 B2 · HVAC controller with integrated wireless network processor chip

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- Number: US 10,484,478 B2
- Document ID: US10484478B2
- Status: Granted
- Kind: B2
- Application number: 15/146,678
- Filed: 2016-05-04
- Published: 2016-11-10
- Granted: 2019-11-19
- Earliest claimed: 2015-05-04
- Assignees: Johnson Controls Technology Company
- Applicants: Johnson Controls Technology Company
- Inventors: Christopher Brophy; Kim K. Weller; Daniel R. Gottschalk; Ryan J. Bykowski; Tom Z. Zhuang
- Web page: https://patentgrep.com/patent/US10484478B2

## CPC

- H04L 67/125: involving control of end-device applications over a network
- F24F 11/30: for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F 11/57: using telephone networks
- F24F 11/58: using Internet communication
- F24F 11/62: characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- H04L 12/2816: {Controlling appliance services of a home automation network by calling their functionalities (arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00)}
- H04L 69/18: Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
- H04W 12/086: using security domains
- H04L 63/0428: {wherein the data content is protected, e.g. by encrypting or encapsulating the payload}
- H04L 67/02: based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L 2012/2841: {Wireless}
- H04W 40/248: {Connectivity information update}
- H04W 84/12: WLAN [Wireless Local Area Networks]
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A controller in a building management system (BMS) includes an integrated wireless network processor chip. The integrated wireless network processor chip includes a wireless radio, a processor, and memory. The wireless radio is configured to exchange data communications with one or more BMS devices controlled by the controller. Both the processor and memory are in communication with the wireless radio and located on the same chip as the wireless radio. The memory includes communication stacks configured to facilitate communications using a building automation and control network communications protocol and a WiFi communications protocol. The integrated wireless network processor chip receives data from the BMS devices via the wireless radio, formats the data using the processor, stores the data in the memory, and sends the data via the wireless radio without requiring any additional processing or communications components outside the integrated wireless network processor chip.

## Claims

### Claim 1

A controller in a building management system (BMS), the controller comprising:
an integrated wireless network processor chip comprising:
a wireless radio configured to exchange data communications with one or more BMS devices controlled by the controller;
a processor in communication with the wireless radio and located on a same chip as the wireless radio; and
memory in communication with the wireless radio and located on the same chip as the wireless radio, the memory comprising communication stacks configured to facilitate communications using a building automation and control network communications protocol and a WiFi communications protocol;
wherein the integrated wireless network processor chip receives data from the BMS devices via the wireless radio, formats the data using the processor, stores the data in the memory, and sends the data via the wireless radio without requiring any additional processing or communications components outside the integrated wireless network processor chip; and
wherein the integrated wireless network processor chip is configured to receive data from another integrated wireless network processor chip in another device controller and relay the data to a router out of range of the other device controller.

### Claim 2 (depends on 1)

The controller of claim 1, wherein the wireless radio is an 802.11 b/g/n WiFi radio.

### Claim 3 (depends on 1)

The controller of claim 1, wherein the building automation and control network communications protocol comprises at least one of a BACnet communications protocol and a JSON communications protocol.

### Claim 4 (depends on 1)

The controller of claim 1, wherein the memory comprises an HTTP server configured to generate a webpage and serve the webpage to a user device via the wireless radio.

### Claim 5 (depends on 4)

The controller of claim 4, wherein the webpage comprises a user interface including at least one of the data from the BMS devices, configuration information for the controller, and commissioning information for the controller.

### Claim 6 (depends on 1)

The controller of claim 1, wherein the memory comprises control logic configured to use the data from the BMS devices to generate a control output that is communicated to the BMS devices via the wireless radio.

### Claim 7 (depends on 1)

The controller of claim 1, wherein the memory comprises a cryptography engine configured to encrypt or decrypt the data communicated via the wireless radio.

### Claim 8

An integrated wireless network processor chip comprising:
a wireless radio configured to exchange data communications with one or more BMS devices;
a processor in communication with the wireless radio; and
memory in communication with the wireless radio, the memory comprising communication stacks configured to facilitate communications using a building automation and control network communications protocol and a WiFi communications protocol;
wherein the integrated wireless network processor chip is configured to receive data from the BMS devices via the wireless radio, formats the data using the processor, stores the data in the memory, and sends the data via the wireless radio without requiring any additional processing or communications components outside the integrated wireless network processor chip; and
wherein the integrated wireless network processor chip is configured to receive data from another integrated wireless network processor chip in another device controller and relay the data to a router out of range of the other device controller.

### Claim 9 (depends on 8)

The integrated wireless network processor chip of claim 8, wherein the wireless radio is an 802.11 b/g/n WiFi radio.

### Claim 10 (depends on 8)

The integrated wireless network processor chip of claim 8, wherein the building automation and control network communications protocol comprises at least one of a BACnet communications protocol and a JSON communications protocol.

### Claim 11 (depends on 8)

The integrated wireless network processor chip of claim 8, wherein the memory comprises an HTTP server configured to generate a webpage and serve the webpage to a user device via the wireless radio.

### Claim 12 (depends on 11)

The integrated wireless network processor chip of claim 11, wherein the webpage comprises a user interface including the data from the BMS devices.

### Claim 13 (depends on 8)

The integrated wireless network processor chip of claim 8, wherein the memory comprises control logic configured to use the data from the BMS devices to generate a control output that is communicated to the BMS devices via the wireless radio.

### Claim 14 (depends on 8)

The integrated wireless network processor chip of claim 8, wherein the memory comprises a cryptography engine configured to encrypt or decrypt the data communicated via the wireless radio.

### Claim 15

A method of controlling a building management system (BMS) via an integrated wireless network processor chip within a device controller, the method comprising:
receiving, via a wireless radio within the chip, data from one or more BMS devices;
formatting, via a processor within the chip, the received data;
storing the data in a memory within the chip, the memory in communication with the wireless radio and comprising communication stacks configured to facilitate communications using a building automation and control network communications protocol and a WiFi communications protocol;
sending the data via the wireless radio, without requiring any additional processing or communications components outside the integrated wireless network processor chip; and
receiving data from another integrated wireless network processor chip in another device controller and relaying the data to a router out of range of the other device controller.

### Claim 16 (depends on 15)

The method of claim 15, wherein the wireless radio is an 802.11 b/g/n WiFi radio.

### Claim 17 (depends on 15)

The method of claim 15, further comprising generating a webpage, via an HTTP server, and serving the webpage to a user device via the wireless radio.

### Claim 18 (depends on 15)

The method of claim 15, wherein the building automation and control network communications protocol comprises at least one of a BACnet communications protocol and a JSON communications protocol.

### Claim 19 (depends on 15)

The method of claim 15, further comprising using the data from the BMS devices to generate a control output that is communicated to the BMS devices via the wireless radio.

### Claim 20 (depends on 15)

The method of claim 15, further comprising encrypting or decrypting, via a cryptography engine, the data communicated via the wireless radio.
