# US 2020/0400162 A1 · Controller mounting structure of ceiling fan and ceiling fan lamp using dc brushless motor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0400162 A1 - Document ID: US20200400162A1 - Status: Published application - Kind: A1 - Application number: 16/709,979 - Filed: 2019-12-11 - Published: 2020-12-24 - Earliest claimed: 2019-06-19 - Assignees: Guangdong Zhaoli Motor Co., Ltd - Applicants: Guangdong Zhaoli Motor Co., Ltd - Inventors: Xuhui He; Changzheng Xie; Guangliang Tang - Web page: https://patentgrep.com/patent/US20200400162A1 ## CPC - F04D 29/646: {Mounting or removal of fans} - F04D 25/06: the pump being electrically driven (F04D25/08 takes precedence) - F04D 25/068: {Mechanical details of the pump control unit (pump control details F04D27/00)} - F04D 25/088: {Ceiling fans} - F04D 29/5813: {Cooling the control unit} - F04D 29/5853: {heat insulation or conduction} - F21V 23/04: the elements being switches (safety devices F21V25/00) - F21V 33/0096: {Fans, e.g. ceiling fans (forced cooling of lighting devices characterised by the arrangement of fans F21V29/67)} - F28F 21/02: of carbon, e.g. graphite - H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)} - H02K 7/116: with gears - H02K 7/14: Structural association with mechanical loads, e.g. with hand-held machine tools or fans (with fan or impeller for cooling the machine H02K9/06) - H02K 9/227: {Heat sinks} - H02K 11/0094: {Structural association with other electrical or electronic devices} - H02K 11/28: Manual switches - H02K 11/30: Structural association with control circuits or drive circuits - H02K 11/40: Structural association with grounding devices - H02P 7/05: {by means of electronic switching} - H02K 2211/03: Machines characterised by circuit boards, e.g. pcb - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16) - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - H02P: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ## Abstract The present application discloses a controller mounting structure of a ceiling fan and a ceiling fan lamp using a DC brushless motor, including a control box disposed below the DC brushless motor of the ceiling fan, and a controller body disposed inside the control box and electrically connected to the DC brushless motor. The control box includes a metal upper case and a metal lower cover coupled with the metal upper case. The metal upper case is provided with a first switch for controlling clockwise and anti-clockwise rotation function of the fan, and a second switch for controlling rotating speed, gear shifting and stopping functions of the fan. The first switch and the second switch are independently connected to the controller body through electric wires respectively. The controller mounting structure can improve the cost-performance ratio of the DC brushless motor controller, and facilitate maintenance of the product. ## Claims ### Claim 1 A controller mounting structure of a ceiling fan using a DC brushless motor, comprising a control box disposed below the DC brushless motor of the ceiling fan; a controller body disposed inside the control box and electrically connected to the DC brushless motor; the control box comprising a metal upper case and a metal lower cover coupled with the metal upper case, wherein the metal upper case is provided with a first switch for controlling clockwise and anti-clockwise rotation function of the fan, and a second switch for controlling rotating speed, gear shifting and stopping functions of the fan, the first switch and the second switch are independently connected to the controller body through electric wires respectively, the controller body comprising a case body, a heat sink, and a circuit board located in the case body, wherein the case body is formed by an upper plastic outer shell and a lower plastic outer shell, a heat sink fixing trough is provided on top of the upper plastic outer shell, the heat sink is connected to a discrete component on the circuit board and an upper surface of heat sink is in contact with the metal upper case, the circuit board is pre-set with several wiring sockets, and the lower plastic outer shell is provided with several socket slot holes that correspond to the wiring sockets, and several heat-dissipating holes. ### Claim 2 (depends on 1) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 1, wherein the heat sink comprises an aluminum sheet. ### Claim 3 (depends on 1) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 1, wherein the heat sink is a metal heat sink with a surface coated with a layer of graphene, or a graphene plate. ### Claim 4 (depends on 1) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 1, wherein an upper surface of the metal upper case is provided with an upwardly protruding raised platform, the upper surface of the metal upper case is provided with several screw holes for fixing the controller body, the raised platform is provided with a fixing hole for fixing a ground wire and a through hole for facilitating electrical connection between the DC brushless motor and the controller body, a side surface of the metal upper case is provided with two independent and separate hole locations for fixing the first switch and the second switch respectively, and positioning holes corresponding to the screw holes are provided around the upper plastic outer shell. ### Claim 5 (depends on 1) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 1, wherein a heat-dissipating hole is provided on a side surface of the lower plastic outer shell. ### Claim 6 (depends on 1) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 1, wherein the first switch is a push-setting switch or a rope-pulling switch, and the second switch is a push-setting switch or a rope-pulling switch. ### Claim 7 (depends on 6) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 6, wherein the first switch and the second switch are both rope-pulling switches, and pulling ropes of the first switch and the second switch are of different colours. ### Claim 8 (depends on 1) The controller mounting structure of a ceiling fan using a DC brushless motor according to claim 1, wherein the metal upper case and the metal lower cover are connected by snap-fitting, or fixedly connected by screws. ### Claim 9 A controller mounting structure of a ceiling fan lamp using a DC brushless motor, comprising a control box disposed below a fan of the ceiling fan lamp using the DC brushless motor; a controller body is provided in the control box, the controller body being electrically connected with the DC brushless motor of the ceiling fan lamp using the DC brushless motor and a lamp of the ceiling fan lamp using the DC brushless motor, respectively, the control box comprising a metal upper case and a metal lower cover coupled with the metal upper case, wherein the metal upper case is provided with a fan control switch, the fan control switch is connected with the controller body through an electric wire, and a bottom of the metal lower cover is connected to a lampshade of the lamp of the ceiling fan lamp using the DC brushless motor. ### Claim 10 (depends on 9) The controller mounting structure of a ceiling fan lamp using a DC brushless motor according to claim 9, wherein the fan control switch comprises a first switch for controlling clockwise and anti-clockwise rotation function of the fan, and a second switch for controlling starting, rotating speed, gear shifting and stopping of the fan, the first switch and the second switch being independently connected to the controller body through electric wires respectively. ### Claim 11 (depends on 10) The controller mounting structure of a ceiling fan lamp using a DC brushless motor according to claim 10, wherein the first switch is a push-setting switch or a rope-pulling switch, and the second switch is a rope-pulling switch. ### Claim 12 (depends on 9) The controller mounting structure of a ceiling fan lamp using a DC brushless motor according to claim 9, further comprising a third switch for controlling the lamp, the third switch is a rope-pulling switch provided on the metal upper case and connected to the controller body through an electric wire, or a remote control switch fixed to a wall body and connected to the controller body through an electric circuit. ### Claim 13 (depends on 9) The controller mounting structure of a ceiling fan lamp using a DC brushless motor according to claim 9, wherein the controller body comprises a case body, a heat sink, and a circuit board located in the case body, wherein the case body is formed by an upper plastic outer shell and a lower plastic outer shell, a heat sink fixing trough is provided on top of the upper plastic outer shell, the heat sink is connected to a discrete component on the circuit board, the circuit board is pre-set with several wiring sockets, and the lower plastic outer shell is provided with several socket slot holes that correspond to the wiring sockets. ### Claim 14 (depends on 10) The controller mounting structure of a ceiling fan lamp using a DC brushless motor according to claim 10, wherein an upper surface of the heat sink is in contact with the metal upper case of the control box.