CN105235017A - Electric saw emergency braking control device - Google Patents
Electric saw emergency braking control device Download PDFInfo
- Publication number
- CN105235017A CN105235017A CN201510749997.5A CN201510749997A CN105235017A CN 105235017 A CN105235017 A CN 105235017A CN 201510749997 A CN201510749997 A CN 201510749997A CN 105235017 A CN105235017 A CN 105235017A
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- CN
- China
- Prior art keywords
- control device
- electric saw
- electromagnet
- emergency braking
- braking control
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Abstract
The invention relates to an electric saw emergency braking control device. The device comprises a fixed box, a detector and a disc, wherein an electromagnet is arranged in the fixed box; a wiring base is arranged at the right side of the electromagnet; a movable iron core is arranged at the left side of the electromagnet, and is connected with a lock port; the lower side of the lock port is connected with a braking knife; a fixed shaft is arranged at the lower part of the braking knife; a spring is arranged at the lower side of the braking knife; a rotating shaft is arranged at the middle part of the disc, and is connected with a motor; a bearing is arranged at the outer side of the rotating shaft; saw teeth are uniformly distributed at the outer side of the disc; a protective cover is arranged at the outer sides of the saw teeth; the detector is connected with an IC; the IC is connected with an outage circuit and an amplification circuit; the outage circuit is connected with the motor; and the amplification circuit is connected with the wiring base. The electric saw emergency braking control device has the advantages of reasonable structure, convenience for use, high safety and good protection effect.
Description
Technical field
The invention belongs to electric saw technical field, be specifically related to a kind of brake control, particularly a kind of electric saw emergency braking control device.
Background technology
Electric saw uses in a large number in building decoration and carpenter's processing, it is a kind of cutting tool the most general in daily life, also huge security threat is brought while bringing convenience to us, annual have many people because misoperation etc. are injured by electric saw, the finger that victim has is sawed wound or is amputated, rupture of tendon, cause the personal injury that cannot retrieve, serious even life-threatening safety, each electric saw is all a potential weapon, all can damage people because of carelessness or misoperation and lose at any time, as can be seen here, tradition electric saw danger is high, destructive strong, therefore, a kind of electric saw emergency braking control device rational in infrastructure, easy to use, safe, that protection effect is good is provided to be necessary.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and a kind of rational in infrastructure, easy to use, safe, electric saw emergency braking control device that protection effect is good is provided.
The object of the present invention is achieved like this: a kind of electric saw emergency braking control device, it comprises fixed case, detector, disk, the inside of described fixed case is provided with electromagnet, junction block is provided with on the right side of described electromagnet, dynamic iron core is provided with on the left of described electromagnet, described dynamic iron core is connected with fore shaft, the downside of described fore shaft is connected with braking cutter, the bottom of described braking cutter is provided with dead axle, the downside of described braking cutter is provided with spring, the middle part of described disk is provided with rotating shaft, described rotating shaft is connected with motor, the arranged outside of described rotating shaft has bearing, the outside of described disk is evenly provided with sawtooth, the arranged outside of described sawtooth has protective cover, described detector is connected with IC, described IC is connected with power-down circuit and amplifying circuit, described power-down circuit is connected with motor, described amplifying circuit is connected with junction block.
Described fixed case is cuboid fixed case.
Described electromagnet is pipe electromagnet.
Described fore shaft is sickleshaped.
Described braking cutter is inclined wedge-shaped.
Described bearing is insulation bearing.
Described motor is series machine.
Beneficial effect of the present invention: the present invention adopts detector, under normal circumstances, detector does not carry out specific recognition to timber, disk high-speed rotation is cut timber by sawtooth, detector is in wait state, when human body is not intended to touching saw blade, detector judges clutter and the Leakage Current of human body, and by intracellular signaling to IC, signal is through IC process, export strong signal, again respectively by amplifying circuit and power-down circuit, amplifying circuit is connected with junction block, junction block is connected with electromagnet, electromagnet produces vigorous magnetic, and then suck dynamic iron core fast, fore shaft comes off, brake cutter under the traction of spring along fixed-axis rotation, very fast action, the stuck sawtooth of the edge of a knife, thus realize braking, simultaneously, power-down circuit carries out power-off operation to motor, thus produce brake hard effect, ensure that user or other people personal safety, the present invention is provided with C1, R1, R3, R4 in circuit, signal is coupled by C1, through potentiometer R3 and spacing resistance R1, R4, enter 2 pin of IC, the adjustable trigger sensitivity of R3, also can regulate trigger sensitivity further by the ratio changing R3, R4, ensure that the flexibility of electric saw user control set for adjusting, the 3 pin output signals of IC, signal being reached power-down circuit and amplifying circuit, by changing the value of R2 and C2, can finely tune braking time, ensure the good of control device braking effect, C3, as anti-interference element, ensure that the accuracy of control device signal, the present invention has rational in infrastructure, easy to use, safe, that protection effect is good advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electric saw emergency braking control device of the present invention.
Fig. 2 is the circuit theory diagrams of a kind of electric saw emergency braking control device of the present invention.
Fig. 3 is the workflow diagram of a kind of electric saw emergency braking control device of the present invention.
1, protective cover 2, fore shaft 3, the edge of a knife 4, dynamic iron core 5, fixed case 6, electromagnet 7, junction block 8, braking cutter 9, dead axle 10, spring 11, sawtooth 12, disk 13, bearing 14, rotating shaft 15, detector 16, motor 17, power-down circuit 18, amplifying circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment 1
As Figure 1-3, a kind of electric saw emergency braking control device, it comprises fixed case 5, detector 15, disk 12, the inside of described fixed case 5 is provided with electromagnet 6, junction block 7 is provided with on the right side of described electromagnet 6, dynamic iron core 4 is provided with on the left of described electromagnet 6, described dynamic iron core 4 is connected with fore shaft 2, the downside of described fore shaft 2 is connected with braking cutter 8, the bottom of described braking cutter 8 is provided with dead axle 9, the downside of described braking cutter 8 is provided with spring 10, the middle part of described disk 12 is provided with rotating shaft 14, described rotating shaft 14 is connected with motor 16, the arranged outside of described rotating shaft 14 has bearing 13, the outside of described disk 12 is evenly provided with sawtooth 11, the arranged outside of described sawtooth 11 has protective cover 1, described detector 15 is connected with IC, described IC is connected with power-down circuit 17 and amplifying circuit 18, described power-down circuit 17 is connected with motor 16, described amplifying circuit 18 is connected with junction block 7.
The present invention adopts detector 15, under normal circumstances, detector 15 does not carry out specific recognition to timber, disk 12 high-speed rotation is cut by sawtooth 11 pairs of timber, detector 15 is in wait state, when human body is not intended to touching saw blade, detector 15 judges clutter and the Leakage Current of human body, and by intracellular signaling to IC, signal is through IC process, export strong signal, again respectively by amplifying circuit 18 and power-down circuit 17, amplifying circuit 18 is connected with junction block 7, junction block 7 is connected with electromagnet 6, electromagnet 6 produces vigorous magnetic, and then suck dynamic iron core 4 fast, fore shaft 2 comes off, braking cutter 8 rotates along dead axle 9 under the traction of spring, very fast action, the stuck sawtooth 11 of the edge of a knife 3, thus realize braking, simultaneously, power-down circuit 17 pairs of motors 16 carry out power-off operation, thus produce brake hard effect, ensure that user or other people personal safety, the present invention is provided with C1, R1, R3, R4 in circuit, signal is coupled by C1, through potentiometer R3 and spacing resistance R1, R4, enter 2 pin of IC, the adjustable trigger sensitivity of R3, also can regulate trigger sensitivity further by the ratio changing R3, R4, ensure that the flexibility of electric saw user control set for adjusting, the 3 pin output signals of IC, signal being reached power-down circuit and amplifying circuit, by changing the value of R2 and C2, can finely tune braking time, ensure the good of control device braking effect, C3, as anti-interference element, ensure that the accuracy of control device signal, the present invention has rational in infrastructure, easy to use, safe, that protection effect is good advantage.
Embodiment 2
As Figure 1-3, a kind of electric saw emergency braking control device, it comprises fixed case 5, detector 15, disk 12, the inside of described fixed case 5 is provided with electromagnet 6, junction block 7 is provided with on the right side of described electromagnet 6, dynamic iron core 4 is provided with on the left of described electromagnet 6, described dynamic iron core 4 is connected with fore shaft 2, the downside of described fore shaft 2 is connected with braking cutter 8, the bottom of described braking cutter 8 is provided with dead axle 9, the downside of described braking cutter 8 is provided with spring 10, the middle part of described disk 12 is provided with rotating shaft 14, described rotating shaft 14 is connected with motor 16, the arranged outside of described rotating shaft 14 has bearing 13, the outside of described disk 12 is evenly provided with sawtooth 11, the arranged outside of described sawtooth 11 has protective cover 1, described detector 15 is connected with IC, described IC is connected with power-down circuit 17 and amplifying circuit 18, described power-down circuit 17 is connected with motor 16, described amplifying circuit 18 is connected with junction block 7, described fixed case 5 is cuboid fixed case, described electromagnet 6 is pipe electromagnet, described fore shaft 2 is sickleshaped, described braking cutter 8 is inclined wedge-shaped, described bearing 13 is insulation bearing, described motor is 16 series machines.
The present invention adopts detector 15, under normal circumstances, detector 15 does not carry out specific recognition to timber, disk 12 high-speed rotation is cut by sawtooth 11 pairs of timber, detector 15 is in wait state, when human body is not intended to touching saw blade, detector 15 judges clutter and the Leakage Current of human body, and by intracellular signaling to IC, signal is through IC process, export strong signal, again respectively by amplifying circuit 18 and power-down circuit 17, amplifying circuit 18 is connected with junction block 7, junction block 7 is connected with electromagnet 6, electromagnet 6 produces vigorous magnetic, and then suck dynamic iron core 4 fast, fore shaft 2 comes off, braking cutter 8 rotates along dead axle 9 under the traction of spring, very fast action, the stuck sawtooth 11 of the edge of a knife 3, thus realize braking, simultaneously, power-down circuit 17 pairs of motors 16 carry out power-off operation, thus produce brake hard effect, ensure that user or other people personal safety, the present invention is provided with C1, R1, R3, R4 in circuit, signal is coupled by C1, through potentiometer R3 and spacing resistance R1, R4, enter 2 pin of IC, the adjustable trigger sensitivity of R3, also can regulate trigger sensitivity further by the ratio changing R3, R4, ensure that the flexibility of electric saw user control set for adjusting, the 3 pin output signals of IC, signal being reached power-down circuit and amplifying circuit, by changing the value of R2 and C2, can finely tune braking time, ensure the good of control device braking effect, C3, as anti-interference element, ensure that the accuracy of control device signal, the present invention has rational in infrastructure, easy to use, safe, that protection effect is good advantage.
Claims (7)
1. an electric saw emergency braking control device, it comprises fixed case, detector, disk, it is characterized in that: the inside of described fixed case is provided with electromagnet, junction block is provided with on the right side of described electromagnet, dynamic iron core is provided with on the left of described electromagnet, described dynamic iron core is connected with fore shaft, the downside of described fore shaft is connected with braking cutter, the bottom of described braking cutter is provided with dead axle, the downside of described braking cutter is provided with spring, the middle part of described disk is provided with rotating shaft, described rotating shaft is connected with motor, the arranged outside of described rotating shaft has bearing, the outside of described disk is evenly provided with sawtooth, the arranged outside of described sawtooth has protective cover, described detector is connected with IC, described IC is connected with power-down circuit and amplifying circuit, described power-down circuit is connected with motor, described amplifying circuit is connected with junction block.
2. a kind of electric saw emergency braking control device as claimed in claim 1, is characterized in that: described fixed case is cuboid fixed case.
3. a kind of electric saw emergency braking control device as claimed in claim 1, is characterized in that: described electromagnet is pipe electromagnet.
4. a kind of electric saw emergency braking control device as claimed in claim 1, is characterized in that: described fore shaft is sickleshaped.
5. a kind of electric saw emergency braking control device as claimed in claim 1, is characterized in that: described braking cutter is inclined wedge-shaped.
6. a kind of electric saw emergency braking control device as claimed in claim 1, is characterized in that: described bearing is insulation bearing.
7. a kind of electric saw emergency braking control device as claimed in claim 1, is characterized in that: described motor is series machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749997.5A CN105235017B (en) | 2015-10-29 | 2015-10-29 | A kind of electric saw emergency braking control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510749997.5A CN105235017B (en) | 2015-10-29 | 2015-10-29 | A kind of electric saw emergency braking control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105235017A true CN105235017A (en) | 2016-01-13 |
| CN105235017B CN105235017B (en) | 2017-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510749997.5A Expired - Fee Related CN105235017B (en) | 2015-10-29 | 2015-10-29 | A kind of electric saw emergency braking control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105235017B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514787A (en) * | 2016-10-21 | 2017-03-22 | 冷曜君 | Bench saw active safety device |
| CN106607974A (en) * | 2017-01-21 | 2017-05-03 | 向奕铭 | Safety protection device for electric circular saw and method thereof |
| CN108724368A (en) * | 2018-06-13 | 2018-11-02 | 郑树明 | A kind of safe bench saw based on flywheel limit |
| CN109664384A (en) * | 2019-02-01 | 2019-04-23 | 安徽理工大学 | A kind of safe bench saw |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582201A (en) * | 2018-06-13 | 2018-09-28 | 马平 | A kind of safe bench saw based on electromagnetic principle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030202A (en) * | 1987-06-23 | 1989-01-11 | 铁道部第一工程局机械筑路工程处 | Tow-way and double-layer safety guard for woodworking flat-planer |
| CN2086653U (en) * | 1990-12-25 | 1991-10-16 | 彭兆祥 | Safety protector for plane planer |
| CN2110564U (en) * | 1991-09-17 | 1992-07-22 | 刘同波 | Electric carpenter's plane with full-automatic safety protector |
| CN2190542Y (en) * | 1993-12-13 | 1995-03-01 | 澄西船舶修造厂 | Common safety device for cover-type carpenter planer |
| EP2062699A2 (en) * | 2007-11-21 | 2009-05-27 | Metabowerke Gmbh | Motor-driven hand-held circular saw with rotatable protective hood |
| CN101633062A (en) * | 2007-07-23 | 2010-01-27 | 创科实业有限公司 | Cut finish actuator for table saw |
-
2015
- 2015-10-29 CN CN201510749997.5A patent/CN105235017B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1030202A (en) * | 1987-06-23 | 1989-01-11 | 铁道部第一工程局机械筑路工程处 | Tow-way and double-layer safety guard for woodworking flat-planer |
| CN2086653U (en) * | 1990-12-25 | 1991-10-16 | 彭兆祥 | Safety protector for plane planer |
| CN2110564U (en) * | 1991-09-17 | 1992-07-22 | 刘同波 | Electric carpenter's plane with full-automatic safety protector |
| CN2190542Y (en) * | 1993-12-13 | 1995-03-01 | 澄西船舶修造厂 | Common safety device for cover-type carpenter planer |
| CN101633062A (en) * | 2007-07-23 | 2010-01-27 | 创科实业有限公司 | Cut finish actuator for table saw |
| EP2062699A2 (en) * | 2007-11-21 | 2009-05-27 | Metabowerke Gmbh | Motor-driven hand-held circular saw with rotatable protective hood |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514787A (en) * | 2016-10-21 | 2017-03-22 | 冷曜君 | Bench saw active safety device |
| CN106607974A (en) * | 2017-01-21 | 2017-05-03 | 向奕铭 | Safety protection device for electric circular saw and method thereof |
| CN108724368A (en) * | 2018-06-13 | 2018-11-02 | 郑树明 | A kind of safe bench saw based on flywheel limit |
| CN109664384A (en) * | 2019-02-01 | 2019-04-23 | 安徽理工大学 | A kind of safe bench saw |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105235017B (en) | 2017-08-15 |
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Granted publication date: 20170815 Termination date: 20201029 |