DUST COLLECTOR

• US 20200061726A1
• Filed: 11/04/2019
• Published: 02/27/2020
• Est. Priority Date: 08/02/2013
• Status: Active Grant

• Current Assignee: Makita Corporation
• Original Assignee: Makita Corporation
• Inventors: Suzuki, Hitoshi
• Granted Patent: US 10,618,123 B2
• Time in Patent Office: Days
• CPC Class Codes: A47L 2201/06 Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning
• CPC Class Codes: A47L 7/0095 Suction cleaners or attachments adapted to collect dust or waste from power tools
• CPC Class Codes: A47L 9/2842 Suction motors or blowers
• CPC Class Codes: A47L 9/2868 Arrangements for power supply of vacuum cleaners or the accessories thereof
• CPC Class Codes: A47L 9/2894 Details related to signal transmission in suction cleaners
• CPC Class Codes: B23D 59/001 Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade measuring in general G01; controlling in general G05
• CPC Class Codes: B23D 59/006 for removing or collecting chips
• CPC Class Codes: B23Q 11/0046 by sucking
• CPC Class Codes: B23Q 11/0071 dust collectors for hand tools
• CPC Class Codes: B24B 23/02 with rotating grinding tools; Accessories therefor
• CPC Class Codes: B24B 23/028 Angle tools
• CPC Class Codes: B24B 55/00 Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition of general applicability for machine tools B23Q11/00; in general F16P
• CPC Class Codes: B24B 55/10 specially designed for portable grinding machines, e.g. hand-guided
• CPC Class Codes: B25F 5/00 Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
• CPC Class Codes: G08C 17/02 using a radio link
• CPC Class Codes: H01Q 1/12 Supports; Mounting means
• CPC Class Codes: H05K 3/36 Assembling printed circuits with other printed circuits H05K7/142 takes precedence

Abstract

A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.

Claims

1. A dust collector comprising:

a dust collection portion configured to suck dust through a dust collection hose;

a communication portion configured to wirelessly communicate with an electric working machine;

a switch circuit having a registration switch;

a notification circuit; and

a controller configured to transmit via the communication portion a transmission request for identification information of the electric working machine in response to the registration switch being in an ON state, the electric working machine being configured to transmit the identification information of the electric working machine in response to the electric working machine having received the transmission request, the controller being configured to determine before a prescribed time passes whether the controller has received the identification information in response to the controller having transmitted the transmission request, the controller being configured to count a number of receipt in response to the controller having received the identification information, the controller being configured to determine whether the number of receipt is one in response to the prescribed time having passed, and the controller being configured to display an error through the notification circuit in response to the controller determining that the number of receipt is not one.

2. The dust collector according to claim 1,

wherein the electric working machine is assigned with an identification number,

wherein the identification number corresponds to the identification information, and

wherein the controller determining that the number of receipt is not one corresponds to the controller having failed to receive the identification number.

3. The dust collector according to claim 1,

wherein the electric working machine is assigned with an identification number,

wherein the identification number corresponds to the identification information, and

wherein the controller determining that the number of receipt is not one corresponds to the controller having received two or more identification numbers.

4. The dust collector according to claim 1,

wherein the prescribed time corresponds to a time period necessary for the communication portion to receive the identification information after the communication portion transmits the transmission request.

5. The dust collector according to claim 1,

wherein the communication portion is configured to transmit a first electric wave with a first transmission power,

wherein the electric working machine is configured to transmit a second electric wave with a second transmission power, and

wherein the first transmission power is lower than the second transmission power.

6. A communication unit for a dust collector, comprising:

a communication portion configured to wirelessly communicate with an electric working machine;

a switch circuit having a registration switch;

a notification circuit; and

a controller configured to transmit via the communication portion a transmission request for identification information of the electric working machine in response to the registration switch being in an ON state, the electric working machine being configured to transmit the identification information of the electric working machine in response to the electric working machine having received the transmission request, the controller being configured to determine before a prescribed time passes whether the controller has received the identification information in response to the controller having transmitted the transmission request, the controller being configured to count a number of receipt in response to the controller having received the identification information, the controller being configured to determine whether the number of receipt is one in response to the prescribed time having passed, and the controller being configured to display an error through the notification circuit in response to the controller determining that the number of receipt is not one.

7. The communication unit according to claim 6,

wherein the electric working machine is assigned with an identification number,

wherein the identification number corresponds to the identification information, and

wherein the controller determining that the number of receipt is not one corresponds to the controller having failed to receive the identification number.

8. The communication unit according to claim 6,

wherein the electric working machine is assigned with an identification number,

wherein the identification number corresponds to the identification information, and

wherein the controller determining that the number of receipt is not one corresponds to the controller having received two or more identification numbers.

9. The communication unit according to claim 6,

wherein the prescribed time corresponds to a time period necessary for the communication portion to receive the identification information after the communication portion transmits the transmission request.

10. The communication unit according to claim 6,

wherein the communication portion is configured to transmit a first electric wave with a first transmission power,

wherein the electric working machine is configured to transmit a second electric wave with a second transmission power, and

wherein the first transmission power is lower than the second transmission power.

11. The communication unit according to claim 6,

wherein the communication unit is configured to be detachably attached to the dust collector.

12. The communication unit according to claim 11, further comprising an interface circuit that includes a terminal portion attachable to the dust collector.

13. A communication method between a dust collector and an electric working machine comprising:

transmitting from the dust collector a transmission request for identification information of the electric working machine in response to a registration switch provided to the dust collector being in an ON state;

determining whether a prescribed time has passed in response to the transmission request having been transmitted from the dust collector;

transmitting the identification information from the electric working machine in response to the electric working machine having received the transmission request;

determining that the identification information has been received by the dust collector before the prescribed time passes;

counting a number of receipt in response to the identification information having been received by the dust collector;

determining whether the number of receipt is one in response to the prescribed time having passed; and

displaying an error on the dust collector in response to a determination that the number of receipt is not one.

14. The communication method according to claim 13,

wherein the electric working machine is assigned with an identification number,

wherein the identification number corresponds to the identification information, and

wherein the determination that the number of receipt is not one corresponds to a failure of receipt of the identification number by the dust collector.

15. The communication method according to claim 13,

wherein the electric working machine is assigned with an identification number,

wherein the identification number corresponds to the identification information, and

wherein the determination that the number of receipt is not one corresponds to receipt of two or more identification numbers by the dust collector.

16. The communication method according to claim 13,

wherein transmitting from the dust collector a transmission request for identification information of the electric working machine in response to a registration switch provided to the dust collector being in an ON state includes transmitting from the dust collector the transmission request with a transmission power lower than a transmission power in the electric working machine.

17. The communication method according to claim 13,

wherein the prescribed time corresponds to a time period necessary for the dust collector to receive the identification information after the dust collector transmits the transmission request.