CN209016702U - Antistatic electric tool - Google Patents
Antistatic electric tool Download PDFInfo
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- CN209016702U CN209016702U CN201821786544.5U CN201821786544U CN209016702U CN 209016702 U CN209016702 U CN 209016702U CN 201821786544 U CN201821786544 U CN 201821786544U CN 209016702 U CN209016702 U CN 209016702U
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- electric tool
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- current limiting
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Abstract
The utility model relates to a kind of antistatic electric tools, comprising: control module is set in the electric tool, and the motor for controlling the electric tool operates；Electrostatic protection module; the electrostatic protection module includes current limiting unit and electrostatic absorptive unit; one end of the current limiting unit receives electrostatic by conductor wire, and the other end is separately connected one end of the electrostatic absorptive unit and the control module, the other end of the electrostatic absorptive unit are grounded.Above-mentioned antistatic electric tool is used for electrostatic protection using electrostatic protection module; wherein; current limiting unit receives the size of electrostatic and limit static electric current; then electrostatic induced current is absorbed after flowing to electrostatic absorptive unit; so as to prevent electrostatic from generating damage to the electronic component in control module, reach electrostatic protection effect.
Description
Technical field
The utility model relates to electric tools, more particularly to antistatic electric tool.
Background technique
With the development of science and technology, more and more electric tools are gradually applied in the production and living of people, such as dry
Machine etc. is blown in machine, suction.When user is when blowing machine or hair dryer using suction, there may be quiet for the handle friction of user and electric tool
Electricity may cause the semiconductor integrated circuit in electric tool and generate electric leakage or damage, and then causes electric tool that can not work.
Utility model content
Based on this, it is necessary to lead to the problem of electrostatic damage electric tool user and electric tool handle friction, mention
For a kind of antistatic electric tool.
A kind of antistatic electric tool, comprising:
Control module is set in the electric tool, and the motor for controlling the electric tool operates；
Electrostatic protection module, the electrostatic protection module include current limiting unit and electrostatic absorptive unit, the current limiting unit
One end by conductor wire receive electrostatic, the other end be separately connected the electrostatic absorptive unit one end and the control module,
The other end of the electrostatic absorptive unit is grounded.
The current limiting unit includes resistance R1 in one of the embodiments, and the electrostatic absorptive unit includes capacitor C1,
One end of the resistance R1 connects the conductor wire, the other end be separately connected the capacitor C1 one end and the control module,
The other end of the capacitor C1 is grounded.
The electrostatic protection module further includes partial pressure unit in one of the embodiments, one end of the partial pressure unit
The one end and the conductor wire, the other end of the partial pressure unit for being separately connected the current limiting unit are grounded.
The partial pressure unit includes resistance R2 in one of the embodiments, and one end of the resistance R2 is separately connected institute
The one end and the conductor wire, the other end of the resistance R2 for stating resistance R1 are grounded.
It in one of the embodiments, further include electrostatic receiving module, the electrostatic receiving module is described anti-to be set to
The surface metal device of electrostatic electric tool, for receiving electrostatic.
The electrostatic receiving module is separately connected the current limiting unit in one of the embodiments, and the partial pressure is single
Member.
The control module includes the power supply of switch unit and the connection switch unit in one of the embodiments,
One end of the switch unit is separately connected the current limiting unit and the electrostatic absorptive unit, the other end of the switch unit
Connect the anode of the power supply.
The control module further includes main control unit in one of the embodiments, and the main control unit connects the electricity
Machine, for controlling the working condition of the motor.
The control module further includes power conversion unit in one of the embodiments, the power conversion unit one
End connects the power supply, and the other end connects the main control unit, for the supply voltage of the power supply to be carried out transformation and for institute
State main control unit power supply.
The control module further includes power protection unit in one of the embodiments, the power protection unit
One end connects the power supply, and the other end connects the main control unit.Above-mentioned antistatic electric tool uses electrostatic protection mould
Block is used for electrostatic protection, wherein current limiting unit receives the size of electrostatic and limit static electric current, and then electrostatic induced current flows to electrostatic
It is absorbed after absorptive unit, so as to prevent electrostatic from generating damage to the electronic component in control module, it is anti-to reach electrostatic
Protect effect.
Detailed description of the invention
Fig. 1 is the antistatic power tool module schematic diagram that one embodiment of the application provides；
Fig. 2 is the antistatic power tool module schematic diagram that the specific embodiment of the application provides；
Fig. 3 is the antistatic power tool module schematic diagram that another embodiment of the application provides；
Fig. 4 is the antistatic power tool module schematic diagram that another specific embodiment of the application provides.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment is not to be to limit the utility model.
Referring to Figure 1, one embodiment of the application provides a kind of antistatic electric tool, including 100 He of control module
Electrostatic protection module 200.Wherein, control module 100 is set in electric tool, for controlling the motor of the electric tool
Operating condition.200 link control module 100 of electrostatic protection module prevents from controlling for providing electrostatic protection for control module 100
Component in molding block 100 is by electrostatic damage, so that circuit can not work.Electrostatic protection module 200 includes current limiting unit 210
With electrostatic absorptive unit 220.One end of current limiting unit 210 is connected by conductor wire receives electrostatic, and the other end is separately connected electrostatic suction
Receive one end and the control module 100 of unit 220, the other end ground connection of electrostatic absorptive unit 220.
Specifically, antistatic electric tool can be suction and blow the electric tools such as machine or hair dryer in above-described embodiment.Its
In, the control module 100 of electric tool is the governor circuit of electric tool, for controlling the work shape of motor in electric tool
State.When user and electric tool are contacted there may be electrostatic, high-pressure electrostatic is transmitted to control module 100 by conducting medium,
Damage can be generated to the component in control module 100, and then circuit is caused to can not work normally.
Therefore, the application is by newly-increased electrostatic protection module 200 for protecting control module 100 not by electrostatic damage.It is quiet
Electric protection module 200 includes current limiting unit 210 and electrostatic absorptive unit 220.210 one end of current limiting unit is received quiet by conducting wire
Electricity, the size for limit static electric current.Further, antistatic electric tool further includes electrostatic receiving module 300, with current limliting
Unit 210 connects, and current limiting unit 210 receives electrostatic by electrostatic receiving module 300.Electrostatic receiving module can be set in 300
On the case body of electric tool, for example, it may be metal device at the handle of electric tool is set to, when user and handle rub
When wiping generation electrostatic, electrostatic receiving module can receive electrostatic and electrostatic be simultaneously transmitted to current limiting unit 210.Current limiting unit 210 it is another
One end is separately connected electrostatic absorptive unit 220 and control module, and the other end ground connection of electrostatic absorptive unit 220, electrostatic absorbs single
Member 220 prevents electrostatic charge from generating damage to control module 100 for absorbing electrostatic charge.
Above-mentioned antistatic electric tool is used for electrostatic protection using electrostatic protection module 200, wherein current limiting unit 210 connects
Receive the size of electrostatic and limit static electric current, then electrostatic induced current is absorbed after flowing to electrostatic absorptive unit 220, so as to prevent
Only electrostatic generates damage to the electronic component in control module, reaches electrostatic protection effect.
Fig. 2 is referred to, current limiting unit 210 includes resistance R1 in one of the embodiments, and electrostatic absorptive unit 220 wraps
Include capacitor C1.One end of resistance R1 connects electrostatic receiving module 300 by conductor wire, and the other end is separately connected one end of capacitor C1
It is grounded with the other end of control module 200, capacitor C1.
Further, control module 100 further includes switch unit 110 and power supply 120.In the present embodiment, power supply 220 can be with
It is battery pack.The other end of resistance R1 is separately connected one end of capacitor C1 and one end of switch unit 110, switch unit 110
The other end connects the anode of power supply 120, the cathode ground connection of power supply 120.
Specifically, supply voltage is lower than the safe voltage of human body in the present embodiment, therefore when user contacts electric tool,
Electric tool will not generate injury to user.When user and handle friction generate electrostatic, electrostatic flows under the action of resistance R1
A Rong C1, capacitor C1 can absorb electrostatic charge, and then electrostatic can be isolated with control module 100, prevent electrostatic to control module
On electronic component generate damage, protect circuit safety.
Fig. 3 is referred to, electrostatic protection module 200 further includes partial pressure unit 230 in one of the embodiments, and partial pressure is single
One end of member 230 is separately connected one end of current limiting unit 210 and the conductor wire, the other end of partial pressure unit are grounded.
Specifically, one end of partial pressure unit 230 and one end of current unit 210 connect electrostatic receiving unit 300 jointly,
In, electrostatic receiving unit 300 is the part contacted with user, for receiving electrostatic.
Referring to Fig. 4, in the present embodiment, partial pressure unit 230 includes resistance R2, and the one of one end connection resistance R1 of resistance R2
The other end of end and electrostatic receiving unit 300, resistance R2 is grounded.When supply voltage is higher than human safety voltage, partial pressure unit
230 can divide supply voltage, prevent excessively high supply voltage from damaging to user, improve the safety of electric tool
Property.
The control module of electric tool further includes main control unit, power conversion unit and electricity in one of the embodiments,
Source protection unit.Wherein, power protection unit one end connects power supply, and the other end connects main control unit, for acquiring supply voltage
And it is transmitted to main control unit, when the supply voltage exception, main control unit can control motor inoperative.Power conversion unit one
End connection power supply, the other end connects main control unit, for supply voltage to be converted to the supply voltage of main control unit.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of antistatic electric tool characterized by comprising
Control module is set in the electric tool, and the motor for controlling the electric tool operates；
Electrostatic protection module, the electrostatic protection module include current limiting unit and electrostatic absorptive unit, and the one of the current limiting unit
End by conductor wire reception electrostatic, the other end be separately connected the electrostatic absorptive unit one end and the control module, it is described
The other end of electrostatic absorptive unit is grounded.
2. antistatic electric tool according to claim 1, which is characterized in that the current limiting unit includes resistance R1, institute
Stating electrostatic absorptive unit includes capacitor C1, and one end of the resistance R1 connects the conductor wire, and the other end is separately connected the electricity
The one end and the control module, the other end of the capacitor C1 for holding C1 are grounded.
3. antistatic electric tool according to claim 2, which is characterized in that the electrostatic protection module further includes partial pressure
Unit, one end of the partial pressure unit be separately connected the current limiting unit one end and the conductor wire, the partial pressure unit
Other end ground connection.
4. antistatic electric tool according to claim 3, which is characterized in that the partial pressure unit includes resistance R2, institute
The one end for stating resistance R2 is separately connected one end of the resistance R1 and the conductor wire, the other end of the resistance R2 are grounded.
5. antistatic electric tool according to claim 3, which is characterized in that it further include electrostatic receiving module, it is described quiet
Electric receiving module is the surface metal device for being set to the antistatic electric tool, for receiving electrostatic.
6. antistatic electric tool according to claim 5, which is characterized in that the electrostatic receiving module is separately connected institute
State current limiting unit and the partial pressure unit.
7. antistatic electric tool according to any one of claims 1 to 6, which is characterized in that the control module includes
Switch unit and the power supply for connecting the switch unit, one end of the switch unit are separately connected the current limiting unit and described
Electrostatic absorptive unit, the other end of the switch unit connect the anode of the power supply.
8. antistatic electric tool according to claim 7, which is characterized in that the control module further includes master control list
Member, the main control unit connects the motor, for controlling the working condition of the motor.
9. antistatic electric tool according to claim 8, which is characterized in that the control module further includes power conversion
Unit, described power conversion unit one end connect the power supply, and the other end connects the main control unit, for by the power supply
Supply voltage convert and is powered for the main control unit.
10. antistatic electric tool according to claim 9, which is characterized in that the control module further includes that power supply is protected
Unit is protected, one end of the power protection unit connects the power supply, and the other end connects the main control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821786544.5U CN209016702U (en) | 2018-10-31 | 2018-10-31 | Antistatic electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821786544.5U CN209016702U (en) | 2018-10-31 | 2018-10-31 | Antistatic electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016702U true CN209016702U (en) | 2019-06-21 |
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ID=66840871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821786544.5U Active CN209016702U (en) | 2018-10-31 | 2018-10-31 | Antistatic electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002254A (en) * | 2020-09-03 | 2020-11-27 | 上海天马微电子有限公司 | Display device |
| CN112822828A (en) * | 2020-12-31 | 2021-05-18 | 成都旭光科技股份有限公司 | Circuit for improving electrostatic protection capability of WiFi module |
-
2018
- 2018-10-31 CN CN201821786544.5U patent/CN209016702U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002254A (en) * | 2020-09-03 | 2020-11-27 | 上海天马微电子有限公司 | Display device |
| CN112822828A (en) * | 2020-12-31 | 2021-05-18 | 成都旭光科技股份有限公司 | Circuit for improving electrostatic protection capability of WiFi module |
| CN112822828B (en) * | 2020-12-31 | 2024-03-15 | 成都旭光科技股份有限公司 | Circuit for improving electrostatic protection capability of WiFi module |
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