CN205835155U - Electric screw driver control system - Google Patents
Electric screw driver control system Download PDFInfo
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- CN205835155U CN205835155U CN201620703292.XU CN201620703292U CN205835155U CN 205835155 U CN205835155 U CN 205835155U CN 201620703292 U CN201620703292 U CN 201620703292U CN 205835155 U CN205835155 U CN 205835155U
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- bidirectional
- motor
- torque
- screw driver
- electric screw
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Abstract
The utility model discloses a kind of electric screw driver control system, including bidirectional, dc motor, switchboard, activate switch and power supply, described bidirectional, dc motor, described switchboard, described activate switch and described power supply use series arrangement, described switchboard is coupled between described activate switch and described bidirectional, dc motor, for changing the input direction of electric current in bidirectional, dc motor, described bidirectional, dc motor is provided with torque detecting apparatus, for detecting the torque value that bidirectional, dc motor currently exports, described torque detecting apparatus is coupled with alarm device, for receiving the current torque that torque detecting apparatus detects, and according to judging that whether current torque is beyond safety value, if then sending alarm signal.This utility model has the following advantages and effect: use the torque detecting apparatus detection torque value that exports in real time of bidirectional, dc motor, and is sent alarm signal when torque value exceedes safety range by alarm device and reached to protect the effect of bidirectional, dc motor.
Description
Technical field
This utility model relates to power tool equipment field, particularly to electric screw driver control system.
Background technology
Electric screw driver is equipped with regulation and limits the mechanism of moment of torsion, for tightening and unscrew the electric tool of screw.
Existing Authorization Notice No. is the Chinese patent of CN205166798U, which discloses a kind of with protection circuit
Electric screw driver, this electric screw driver arranges P-channel metal-oxide-semiconductor in the control circuit controlling motor rotation, passes through start stop switch
Break-make control D, the S pole on or off of P-channel metal-oxide-semiconductor, and then control motor rotation or stopping, the first electricity in circuit
The voltage that resistance, the second resistance, the 3rd resistance control P-channel metal-oxide-semiconductor, N-channel MOS pipe, start stop switch are respectively held is in rational model
Enclosing, the voltage and current of whole circuit is through P-channel metal-oxide-semiconductor, and start stop switch only passes through small signal code, start stop switch
Two ends also only have the lowest voltage, thus the infringement to start stop switch is the least, the situation that P-channel metal-oxide-semiconductor uses at nonoverload
Under, the life-span about can reach more than 100,000 hours, so whole circuit solves the quality problems that need to often change start stop switch.
Above-mentioned utility model still suffers from following weak point: although above-mentioned utility model is by P-channel metal-oxide-semiconductor and N-channel
Metal-oxide-semiconductor makes signal code the most small on start stop switch pass through, thus reduces the infringement to start stop switch.But, in day
During often using, the most often go wrong for the motor driving screwdriver bit to rotate.This motor is frequently used bidirectional, dc
Motor, and the moment of torsion of its output is the most fixing, the most usually because the operation lack of standardization of user forms bidirectional, dc electricity
Machine damages.
Utility model content
The purpose of this utility model be to provide a kind of can bidirectional, dc motor output moment of torsion exceed safety value
The electric screw driver control system of automatic alarm, realizes by increasing torque detecting apparatus and alarm device in circuit.
Above-mentioned technical purpose of the present utility model has the technical scheme that a kind of electric screw driver control
System processed, including bidirectional, dc motor, switchboard, activate switch and power supply, described bidirectional, dc motor, described switchboard, institute
Stating activate switch and described power supply uses series arrangement, described switchboard is coupled in described activate switch and described bidirectional, dc electricity
Between machine, for changing the input direction of electric current in bidirectional, dc motor, described bidirectional, dc motor is provided with torque detecting apparatus,
For detecting the torque value that bidirectional, dc motor currently exports, described torque detecting apparatus is coupled with alarm device, is used for receiving
The current torque that torque detecting apparatus detects, and according to judging whether current torque exceeds safety value, if then sending warning
Signal.
Further, described torque detecting apparatus includes:
Torque sensor: contact connection with described bidirectional, dc motor, for real-time reception bidirectional, dc motor output end
The torque value of output, and torque value is transmitted to D/A module；
D/A module: be used for receiving torque sensor input torque value, and torque value is converted into after the signal of telecommunication transmission to than
Relatively device；
Comparator: for receiving the signal of telecommunication of comparator input, after the signal of telecommunication is compared with preset value, if the signal of telecommunication is more than
Preset value, then export high level, if the signal of telecommunication is less than preset value, then output low level.
Further, described torque sensor uses shaft type torque sensor, and described torque sensor is socketed in described double
To the outfan of direct current generator.
Further, described torque detecting apparatus also includes amplifier, for receiving the high level of comparator output, by height
Level is amplified to drive the voltage range of described alarm device.
Further, described alarm device includes that buzzer, described buzzer couple with described amplifier.
Further, described alarm device also includes intervalometer, is coupled between described comparator and described buzzer, uses
In receiving the high level that comparator exports, and start timing, high level is transmitted to amplifier simultaneously.
Further, described intervalometer uses 555 intervalometers.
Further, described electric screw driver control device also includes battery indicator and cradle, described battery capacity indication
Device uses parallel-connection structure with described cradle.
Further, described battery indicator is to use LED bis-pole of 3 kinds of colors for showing different state of charge
Pipe.
Further, described power supply uses the set of cells that the rechargeable battery of 4 joint 600mAh1.2V forms.
In sum, this utility model has the advantages that by existing electric screw driver control system
Increase the torque detecting apparatus exporting moment of torsion for monitoring bidirectional, dc motor in real time, and will detection by torque detecting apparatus
To real-time moment of torsion compared with the safety value preset, if the torque value that exports in real time of bidirectional, dc motor is less than safety value, then
Alarm device is not triggered；If the torque value that bidirectional, dc motor exports in real time is more than safety value, then alarm device is triggered, and carries
Awake user suspends use electric screw driver, thus avoids because bidirectional, dc motor exports the torsion exceeding its safety value in use
Square and the problem damaged, improve the service life of electric screw driver.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
A kind of electric screw driver control system, including bidirectional, dc motor, switchboard, activate switch, electric quantity of power supply instruction
Device and cradle.Bidirectional, dc motor, switchboard, activate switch and power supply use series arrangement.Battery indicator and cradle
Use parallel-connection structure, and contact with power supply.Battery indicator is to use the LED of 3 kinds of colors for showing different state of charge
Diode.Power supply uses the set of cells of the rechargeable battery composition of 4 joint 600mAh1.2V.Switchboard is coupled in activate switch with two-way
Between direct current generator, bidirectional, dc motor is provided with torque detecting apparatus, and torque detecting apparatus is coupled with alarm device.
Torque detecting apparatus includes torque sensor, D/A module, comparator and amplifier.Torque sensor uses shaft type
Torque sensor, torque sensor is socketed in the outfan of bidirectional, dc motor.Torque sensor real-time reception bidirectional, dc electricity
The torque value of machine outfan output, and torque value is transmitted to D/A module；D/A module receives the torsion of torque sensor input
Square value, and transmit to comparator after torque value is converted into the signal of telecommunication；Comparator receives the signal of telecommunication of D/A module input, will
After the signal of telecommunication compares with safety value, if the signal of telecommunication is more than safety value, then export high level；If the signal of telecommunication is less than safety value, the most defeated
Go out low level；Amplifier receives the high level of comparator output, and high level is amplified to drive the voltage of alarm device
Scope.
Alarm device includes buzzer and intervalometer.Preferably intervalometer uses 555 intervalometers.Buzzer detects with moment of torsion
Amplifier in device couples.Intervalometer is coupled between comparator and buzzer, for receiving the high level of comparator output,
And start timing, high level is transmitted to amplifier simultaneously.
Turn round by always increasing the output for monitoring bidirectional, dc motor in real time in existing electric screw driver control system
The torque detecting apparatus of square, and by torque detecting apparatus by the real-time moment of torsion that detects compared with default safety value, if
The torque value that bidirectional, dc motor exports in real time is less than safety value, then alarm device is not triggered；If bidirectional, dc motor is real-time
The torque value of output is more than safety value, then alarm device is triggered, and reminds user to suspend use electric screw driver, thus avoid because of
Export the problem exceeding the moment of torsion of its safety value and damage for bidirectional, dc motor in use, improve making of electric screw driver
Use the life-span.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (10)
1. an electric screw driver control system, including bidirectional, dc motor, switchboard, activate switch and power supply, described two-way
Direct current generator, described switchboard, described activate switch and described power supply use series arrangement, described switchboard be coupled in described in open
Between dynamic switch and described bidirectional, dc motor, for changing the input direction of electric current in bidirectional, dc motor, it is characterised in that
Described bidirectional, dc motor is provided with torque detecting apparatus, for detecting the torque value that bidirectional, dc motor currently exports, described torsion
Moment detection device is coupled with alarm device, for receiving the current torque that torque detecting apparatus detects and current according to judging
Whether moment of torsion is beyond safety value, if then sending alarm signal.
Electric screw driver control system the most according to claim 1, it is characterised in that described torque detecting apparatus includes:
Torque sensor: contact connection with described bidirectional, dc motor, exports for real-time reception bidirectional, dc motor output end
Torque value, and by torque value transmit to D/A module；
D/A module: be used for receiving torque sensor input torque value, and transmit to comparing after torque value is converted into the signal of telecommunication
Device；
Comparator: for receiving the signal of telecommunication of comparator input, after being compared with preset value by the signal of telecommunication, if the signal of telecommunication is more than presetting
Value, then export high level, if the signal of telecommunication is less than preset value, then output low level.
Electric screw driver control system the most according to claim 2, it is characterised in that described torque sensor uses shaft type
Torque sensor, described torque sensor is socketed in the outfan of described bidirectional, dc motor.
Electric screw driver control system the most according to claim 2, it is characterised in that described torque detecting apparatus also includes
Amplifier, for receiving the high level of comparator output, is amplified to drive the voltage model of described alarm device by high level
Enclose.
Electric screw driver control system the most according to claim 4, it is characterised in that described alarm device includes buzzing
Device, described buzzer couples with described amplifier.
Electric screw driver control system the most according to claim 5, it is characterised in that described alarm device also includes timing
Device, is coupled between described comparator and described buzzer, for receiving the high level of comparator output, and starts timing, with
Time by high level transmit to amplifier.
Electric screw driver control system the most according to claim 6, it is characterised in that described intervalometer uses 555 timings
Device.
Electric screw driver control system the most according to claim 1, it is characterised in that described electric screw driver controls device
Also include that battery indicator and cradle, described battery indicator use parallel-connection structure with described cradle.
Electric screw driver control system the most according to claim 8, it is characterised in that described battery indicator is used for using
LED diode in 3 kinds of colors of the different state of charge of display.
Electric screw driver control system the most according to claim 1, it is characterised in that described power supply uses 4 joints
600mAh1.2V rechargeable battery composition set of cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703292.XU CN205835155U (en) | 2016-06-29 | 2016-06-29 | Electric screw driver control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620703292.XU CN205835155U (en) | 2016-06-29 | 2016-06-29 | Electric screw driver control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205835155U true CN205835155U (en) | 2016-12-28 |
Family
ID=58149407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620703292.XU Active CN205835155U (en) | 2016-06-29 | 2016-06-29 | Electric screw driver control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205835155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI677408B (en) * | 2017-12-08 | 2019-11-21 | 日商肯耐克科技股份有限公司 | Tool, operation management device, operation management method and operation management system |
| CN115008397A (en) * | 2022-08-08 | 2022-09-06 | 百信信息技术有限公司 | Electric screwdriver with torque force identification function and checking system |
-
2016
- 2016-06-29 CN CN201620703292.XU patent/CN205835155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI677408B (en) * | 2017-12-08 | 2019-11-21 | 日商肯耐克科技股份有限公司 | Tool, operation management device, operation management method and operation management system |
| CN115008397A (en) * | 2022-08-08 | 2022-09-06 | 百信信息技术有限公司 | Electric screwdriver with torque force identification function and checking system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181204 Address after: 518000 Xiuli Villa Complex Building, Jihua Street, Longgang District, Shenzhen City, Guangdong Province 403 Patentee after: Shenzhen an Jin Guang Hardware Tool Co., Ltd. Address before: 312000 Shaoxing, Shaoxing, Zhejiang. Patentee before: SHAOXING HUAYUE TOOLS CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201202 Address after: 518000 Shenzhen, Luohu District, Guangdong, Luohu District, Huang Bei street, Huang Bei Ling Shang Village, Huang Bei Ling commercial building 2 unit 5 building 504 rooms. Patentee after: SHENZHEN LIANGCAIHUA TRADE Co.,Ltd. Address before: 518000 Xiuli Villa Complex Building, Jihua Street, Longgang District, Shenzhen City, Guangdong Province 403 Patentee before: SHENZHEN ANJINGUANG HARDWARE TOOLS Co.,Ltd. |