CN202563287U - Electric tool having memory function - Google Patents
Electric tool having memory function Download PDFInfo
- Publication number
- CN202563287U CN202563287U CN201220206488XU CN201220206488U CN202563287U CN 202563287 U CN202563287 U CN 202563287U CN 201220206488X U CN201220206488X U CN 201220206488XU CN 201220206488 U CN201220206488 U CN 201220206488U CN 202563287 U CN202563287 U CN 202563287U
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- electric tool
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Abstract
The utility model discloses an electric tool having a memory function. The electric tool having the memory function includes a motor used for driving. The electric tool having the memory function is characterized in that the electric tool having the memory function also includes a memorizer used for recording an operation direction of the motor before the motor is switched off, and a controller used for controlling the motor to operate in a reverse direction according to the operation direction information in the memorizer when the motor is switching on. The electric tool having the memory function has the following beneficial effects. The electric tool having the memory function provided by the utility model has the memory function. The operation direction of the motor can be recorded reliably through the memorizer. According to the utility model, the memory function can be realized on a basis of increasing no hardware circuit cost.
Description
Technical field
The utility model relates to a kind of electric tool, is specifically related to a kind of electric tool with memory function.
Background technology
Electric tool such as pruner cause motor rotation blockage through regular meeting greatly because of load; Make the execution unit of electric tool be stuck and can't run well; In order to address this problem preferably, need exploitation a kind of can be reliable, simple in structure, the electric tool that can realize memory function that cost is low.
The utility model content
For solving the deficiency of prior art, the purpose of the utility model is to provide a kind of electric tool with memory function, through the rotation direction of storer reliable recording motor, on the basis that does not increase the hardware circuit cost, makes electric tool realize memory function.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
Electric tool with memory function; Comprise: the motor that is used to drive; It is characterized in that, comprising: be used to put down in writing the rotation direction of above-mentioned motor before self shutdown storer, be used for when motor self is started shooting direction information and control the controller that motor turns round in the opposite direction according to above-mentioned storer.
Aforesaid electric tool with memory function is characterized in that, also comprises: CS, energy supply control module, switch signal acquisition module, current detection module, motor drive module, power module, motor output module; Above-mentioned controller is connected with above-mentioned motor drive module, switch signal acquisition module, current detection module, energy supply control module and power module; Above-mentioned power module is connected with above-mentioned energy supply control module, motor drive module, and above-mentioned motor drive module is connected with the motor output module; Above-mentioned motor drive module and energy supply control module all receive the control of above-mentioned controller; Above-mentioned switch signal acquisition module, current detection module are all to above-mentioned controller feedback signal; Above-mentioned power module receives the control of above-mentioned energy supply control module and to above-mentioned controller and motor drive module electric power is provided, and above-mentioned motor output module receives the control of motor drive module; Above-mentioned controller is electrically connected with above-mentioned storer.
Aforesaid electric tool with memory function is characterized in that above-mentioned controller comprises the MCU chip.
Aforesaid electric tool with memory function is characterized in that, above-mentioned storer is the FLASH storer.
Aforesaid electric tool with memory function is characterized in that, above-mentioned energy supply control module comprises: can make power module guarantee the power supply self-hold circuit of certain state.
The usefulness of the utility model is: the electric tool of the utility model has memory function, through the rotation direction of storer reliable recording motor, on the basis that does not increase the hardware circuit cost, makes electric tool realize memory function.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of hardware circuit of the electric tool with memory function of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done concrete introduction.
With reference to shown in Figure 1; The electric tool with memory function of the utility model comprises: the motor that is used to drive the electric tool running; In order to realize memory function, electric tool also comprises: be used to put down in writing the rotation direction of motor before self shutdown storer, be used for when motor self is started shooting direction information and control the controller that motor turns round in the opposite direction according to storer.
As a kind of preferred version; Storer is the FLASH storer; Have memory function, can realize remembering the electric tool state, further; The FLASH storer preferably adopts and can keep the storage medium of electric tool state to process for a long time, as: ferroelectric Flash, ROM Flash, E2ROM Flash etc.
In order to make the memory function of electric tool realize better; With reference to Fig. 1, the electric tool of the utility model also comprises: CS, energy supply control module, switch signal acquisition module, current detection module, motor drive module, power module, motor output module.
Wherein, CS is the parts that the operator is used to control electric tool, have pressing and unclamp two states, and starter motor when CS is in the state of pressing, the concrete control of unclamping rear motor is promptly realized by software.
Controller comprises: be used to control MCU chip and peripheral circuit with logic determines.In order further to realize long-time memory, can also pass through MCU chip controls delay cut-off, also can the state in the certain hour of instrument be stored in the FLASH storer even the electricity went off.
Switch signal acquisition module is used to detect the state of CS, and gives the MCU chip with detected feedback of status.
Current detection module mainly acts on the current value that is to detect motor, and the situation of current value is informed the MCU chip, judges so that carry out stall.Generally speaking, when being plugged by motor-driven execution unit, the current value of motor can moment increases, in view of the above as the basis for estimation of stall.
Energy supply control module mainly is according to the order of MCU chip and then control power module; As a kind of preferred version; Also be provided with the power supply self-hold circuit in the energy supply control module, the effect of power supply self-hold circuit is to make power module to guarantee certain power supply state, and no matter whether machine operation; Can both be at any time for motor provide adaptive electric power, make the motor can instant recovery work.
The effect of power module is that external power supply is converted into adaptive power supply supplies with corresponding module, and the motor drive module effect then is the ruuning situation according to the order control motor of MCU chip.
The main effect of motor output module is to connect motor, thus drive motor work.
The effect and the working method of each module of electric tool have more than been introduced; With regard to their inner connecting way; Referring to Fig. 1; Controller is connected with motor drive module, switch signal acquisition module, current detection module, energy supply control module and power module, and power module is connected with energy supply control module, motor drive module, and motor drive module is connected with the motor output module; Motor drive module and energy supply control module all are controlled the control of device; Switch signal acquisition module, current detection module are all to the controller feedback signal; Power module receives the control of energy supply control module and to controller and motor drive module electric power is provided, and the motor output module receives the control of motor drive module; Controller is electrically connected and incites somebody to action wherein, and data recorded feeds back to controller with storer.
The foregoing description does not limit the utility model in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in the protection domain of the utility model.
Claims (5)
1. the electric tool that has memory function; Comprise: the motor that is used to drive; It is characterized in that, comprising: be used to put down in writing the rotation direction of above-mentioned motor before self shutdown storer, be used for when motor self is started shooting direction information and control the controller that motor turns round in the opposite direction according to above-mentioned storer.
2. the electric tool with memory function according to claim 1 is characterized in that, also comprises: CS, energy supply control module, switch signal acquisition module, current detection module, motor drive module, power module, motor output module; Above-mentioned controller is connected with above-mentioned motor drive module, switch signal acquisition module, current detection module, energy supply control module and power module; Above-mentioned power module is connected with above-mentioned energy supply control module, motor drive module, and above-mentioned motor drive module is connected with the motor output module; Above-mentioned motor drive module and energy supply control module all receive the control of above-mentioned controller; Above-mentioned switch signal acquisition module, current detection module are all to above-mentioned controller feedback signal; Above-mentioned power module receives the control of above-mentioned energy supply control module and to above-mentioned controller and motor drive module electric power is provided, and above-mentioned motor output module receives the control of motor drive module; Above-mentioned controller is electrically connected with above-mentioned storer.
3. the electric tool with memory function according to claim 2 is characterized in that above-mentioned controller comprises the MCU chip.
4. the electric tool with memory function according to claim 2 is characterized in that, above-mentioned storer is the FLASH storer.
5. according to any described electric tool of claim 1 to 4, it is characterized in that above-mentioned energy supply control module comprises: can make power module guarantee the power supply self-hold circuit of certain state with memory function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220206488XU CN202563287U (en) | 2012-05-10 | 2012-05-10 | Electric tool having memory function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220206488XU CN202563287U (en) | 2012-05-10 | 2012-05-10 | Electric tool having memory function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563287U true CN202563287U (en) | 2012-11-28 |
Family
ID=47212927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220206488XU Expired - Fee Related CN202563287U (en) | 2012-05-10 | 2012-05-10 | Electric tool having memory function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202563287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681451A (en) * | 2012-05-10 | 2012-09-19 | 南京德朔实业有限公司 | Electric tool with memorizing function and method for realizing motor shaft lock protection |
| CN105619381A (en) * | 2016-02-29 | 2016-06-01 | 江苏常工动力机械有限公司 | Mechanical arm control device |
-
2012
- 2012-05-10 CN CN201220206488XU patent/CN202563287U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102681451A (en) * | 2012-05-10 | 2012-09-19 | 南京德朔实业有限公司 | Electric tool with memorizing function and method for realizing motor shaft lock protection |
| CN105619381A (en) * | 2016-02-29 | 2016-06-01 | 江苏常工动力机械有限公司 | Mechanical arm control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20180510 |