CN205535940U - High-voltage generating circuit of gas power tool - Google Patents
High-voltage generating circuit of gas power tool Download PDFInfo
- Publication number
- CN205535940U CN205535940U CN201620307032.0U CN201620307032U CN205535940U CN 205535940 U CN205535940 U CN 205535940U CN 201620307032 U CN201620307032 U CN 201620307032U CN 205535940 U CN205535940 U CN 205535940U
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- CN
- China
- Prior art keywords
- circuit
- gas power
- main control
- control chip
- generating circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model relates to a gas power tool high pressure generating circuit belongs to gas power tool power supply circuit technical field. The circuit comprises a main control chip, wherein an ignition control end of the main control chip is connected with a rear-stage power amplifier through an oscillating coil after passing through a front-stage power amplifier, and is used for amplifying a direct-current control signal generated by a battery according to an ignition signal and then converting the direct-current control signal into an alternating-current primary high voltage; the output end of the rear-stage power amplifier is coupled with the input end of the voltage doubling rectifying circuit through the front-stage booster transformer and is used for converting the alternating current primary high voltage into the alternating current secondary high voltage; the output end of the voltage doubling rectifying circuit is output through a post-stage boosting transformer and used for converting alternating current secondary high voltage into ignition high voltage. The utility model discloses reliably realized converting the battery low pressure into the required twenty thousand volts high pressures of striking sparks with simple circuit, had functions such as unusual warning and unusual protection simultaneously to make gas power tool volume littleer, weight lighter, very be suitable for and need portable gas power tool.
Description
Technical field
This utility model relates to a kind of high-pressure generating circuit, especially a kind of gas power instrument high-pressure generating circuit, belongs to
In gas power tool power circuit engineering field.
Background technology
The gas power instrument igniter of nailing gun etc needs battery powered several volts by high-pressure generating circuit
The high pressure that low pressure conversion and control is 20,000 volts.According to the applicant understood, the most commonly used pulse ignition circuit of prior art is real
Existing high pressure conversion.Its exemplary circuit configuration is disclosed in the Chinese patent of application number 201010236204.7, triggers including energy storage
Firing circuit and flame ion testing circuit, energy storage trigger point ignition circuit includes a transformator and a high voltage package, and flame ion is examined
Slowdown monitoring circuit one end is connected with transformer secondary output the first end, and the other end second end secondary with high voltage package is connected, and a probe connects high pressure
Wrap secondary first end, it is characterised in that: it also includes that a function conversion circuit, described function conversion circuit include being connected to height
Pressure wraps one first controllable silicon between secondary second end and ground, and described first silicon controlled controls end and connects one first voltage stabilizing two pole
Pipe positive pole, the first Zener diode negative pole is connected by secondary second end of one first resistance and high voltage package.This circuit directly should
Igniting for gas power instrument does not simply fails to meet the needs of a few volt low pressure conversion and control output stable high voltage, and stupid
Weight.
Additionally, the gas power of nailing gun etc is required for single circuit frequent starting rotating speed is up to the heat radiation of 800rpm
Fan, not only makes control circuit the most numerous and diverse, and damages owing to start and stop frequently make fan electromotor be easy to heating.
Utility model content
Primary and foremost purpose of the present utility model is: propose one constitute simple and direct, can be by battery low pressure conversion and control, reliable
The Portable gas power tool high-pressure generating circuit of the required high pressure (usually about 20,000 volts) of output sparking, thus conscientiously meet
The operation demand for control of gas power instrument.
This utility model it is a further objective that: provide one can control frequent starting height rotating speed radiator fan simultaneously
Gas power instrument high-pressure generating circuit.
In order to reach above primary and foremost purpose, the basic fundamental side of gas power instrument high-pressure generating circuit of the present utility model
Case is: including that sparking signal input part takes the main control chip of fire signaling switch, it is premenstrual that the sparking of described main control chip controls end
After stage power amplifier part, connect final-stage power amplifier part by oscillator coil, in order to produced by battery according to sparking signal
After DC control signal amplifies, reconvert becomes exchange just high pressure；The outfan of described final-stage power amplifier part boosts through prime
Transformator couples with the input of voltage doubling rectifing circuit, in order to be converted to exchange sub-high pressure by exchange just high pressure；Described times of repoussage
The outfan of current circuit is exported by rear class booster transformer, in order to exchange sub-high pressure to be converted to high pressure of striking sparks.
Before and after the amplification of forward and backward two stage power is respectively placed in resonator device by this utility model, thus respectively to direct current and friendship
Stream signal is amplified, and before and after forward and backward two-stage transformer is respectively placed in voltage-multiplying circuit, makes exchange just high-voltage high-speed liter
Pressure, thus reliably achieve with simple and direct circuit and battery low pressure is converted to the required 20,000 volts of high pressure of sparking, and use this reality
After novel, can make that gas power instrument volume is less, weight is lighter, therefore be fully compatible for needing portable gas power instrument.
In order to reach further purpose, the main control chip of gas power instrument high-pressure generating circuit of the present utility model is also
It is configured with the fan keying signal input of wind-receiving fan keying signal entering apparatus, and the fan control end of described main control chip leads to
Cross second amplifying circuit wind-receiving fan motor.The most not only achieve the control to cooling fan of the same circuit, and master devices
Voltage monitoring can be passed through, it is achieved current stabilization exports, thus meet the demand frequently opened and closed.
This utility model further improves, described oscillator coil and the same core of prime booster transformer, the most permissible
Make circuit structure more compact.
This utility model further perfect, the luminescence of the power supply display external series connection of outfan of described main control chip
Diode, in order to show the operation change under various different voltage status.At the same time it can also be when operation is in extreme abnormality
Lower offer main control chip signal, makes system enter protection in advance and accomplishes security protection.
This utility model the most further improves, the warning output termination dichromatic LED of described main control chip,
Come to warn abnormal.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is further described.
Fig. 1 is the circuit theory diagrams of one embodiment of this utility model.
Detailed description of the invention
Embodiment one
The power circuit moving fastener-driving tool for combustion gas needs the high pressure of about 20,000 volts to provide igniting to light mixed gas,
And need to supply electricity to the high speed fan motor of usually 8000-12000 rev/min, after ensureing that fan drives away burning in time
Waste gas and provide fresh air combustion-supporting.Battery voltage in view of this type of portable instrument is that 6 8V(once charge, and needs
Work about 6000-8000 time), conventional ignition control circuit is the most less reliable, and is difficult to meet portable requirement, therefore grinds
Send out the gas power instrument high-pressure generating circuit of the present embodiment.
Fig. 1 show the power circuit of the present embodiment novel gas power tool research and development high-pressure generating circuit, plug connector J1-
1+,-: external connection battery bag (7.2V)；K+, K-: external high-tension ignition switch triggering；B+, B-: touch for external motor running switch
Send out；P+, P-: for external motor.Connector J1 6 feet input sparking signals, meet CPU main control chip U1(EM78P153SN) beat
Fire signal input part 10 foot, sparking control end 1 foot of this main control chip, after prime power amplification audion Q5, passes through oscillating line
Circle meets rear class power amplification audion Q4, in order to after the DC control signal produced by battery according to sparking signal amplifies, then warp
The higher-order of oscillation is converted into exchange just high pressure.
The outfan of rear class power amplification audion Q4 through and oscillator coil with the prime booster transformer T1 of core with main
The voltage multiplying rectifier output being made up of diode D3, D4 and electric capacity C8, the input coupling of voltage doubling rectifing circuit, at the beginning of exchanging
High pressure is converted to exchange sub-high pressure.
The outfan of voltage doubling rectifing circuit exports sparking end J2 by rear class booster transformer T2, it is achieved will exchange second highest
Pressure is converted to 20,000 volts of high pressure of striking sparks, and exports and lights a fire to gas power instrument.
Fan keying signal input 9 foot of main control chip U1 connects fan keying signal input 4 foot of J1, the fan of U1
Control two grades of amplification electricity that power amplification field effect transistor Q1 of end 8 foot voltage amplification audion Q2 by prime and rear class is constituted
Lu Hou, by the 1 foot wind-receiving fan motor of J1, is changed into stable output electricity after being amplified by the fan keying signal of input
Stream, powers to fan, drives away the waste gas after burning in time and provides fresh air combustion-supporting.
Test proves, compared with prior art, the present embodiment has a following remarkable advantage:
1) by multistage amplification, multiplication of voltage, booster circuit reasonable combination, reliably achieve needed for battery low-voltage high-efficiency is converted to
Igniting high pressure；
2) constant current output is stable, can conscientiously meet the demand for control that fan frequently opens and closes；
3) high pressure occur combine with constant current, and circuit composition device small and exquisite, therefore cost economy, compact gently
Just, be fully compatible for supporting with portable equipment.
Meanwhile, the present embodiment also has good display, alarm function, outside the power supply display outfan of described main control chip
Meet the LED 1 of series connection, LED2, LED3, in order to show the operation change under various different voltage status, simultaneously when
Operation is under extreme abnormality offer main control chip signal, makes system enter protection in advance and accomplishes security protection.；Master control core
Warning outfan 14 foot of sheet meets dual-colored LED light emitting diode D8, warns abnormal operation, and time normal, D8 is green, and one
The faulty generation of denier or other abnormal D8 are red, play safety warning effect.
Claims (5)
1. a gas power instrument high-pressure generating circuit, takes the master control core of fire signaling switch including sparking signal input part
Sheet, it is characterised in that: after the sparking of described main control chip controls end premenstrual stage power amplifier part, connect rear class by oscillator coil
Power amplifying device, after the DC control signal in order to be produced by battery according to sparking signal amplifies, reconvert becomes exchange the highest
Pressure；The outfan of described final-stage power amplifier part couples with the input of voltage doubling rectifing circuit through prime booster transformer, uses
To be converted to exchange sub-high pressure by exchange just high pressure；The outfan of described voltage doubling rectifing circuit is defeated by rear class booster transformer
Go out, in order to exchange sub-high pressure to be converted to high pressure of striking sparks.
Gas power instrument high-pressure generating circuit the most according to claim 1, it is characterised in that: described main control chip is also joined
It is equipped with the fan keying signal input of wind-receiving fan keying signal entering apparatus, and the fan control end of described main control chip passes through
Second amplifying circuit wind-receiving fan motor.
Gas power instrument high-pressure generating circuit the most according to claim 2, it is characterised in that: described oscillator coil is with front
The level same core of booster transformer.
Gas power instrument high-pressure generating circuit the most according to claim 3, it is characterised in that: the confession of described main control chip
The light emitting diode of the electricity display external series connection of outfan, in order to show the operation change under various different voltage status.
Gas power instrument high-pressure generating circuit the most according to claim 4, it is characterised in that: the report of described main control chip
Alert output termination dichromatic LED, comes to warn abnormal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307032.0U CN205535940U (en) | 2016-04-13 | 2016-04-13 | High-voltage generating circuit of gas power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620307032.0U CN205535940U (en) | 2016-04-13 | 2016-04-13 | High-voltage generating circuit of gas power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205535940U true CN205535940U (en) | 2016-08-31 |
Family
ID=56790635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620307032.0U Withdrawn - After Issue CN205535940U (en) | 2016-04-13 | 2016-04-13 | High-voltage generating circuit of gas power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205535940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757714A (en) * | 2016-04-13 | 2016-07-13 | 南京腾亚精工科技有限公司 | High-voltage generating circuit of gas power tool |
-
2016
- 2016-04-13 CN CN201620307032.0U patent/CN205535940U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757714A (en) * | 2016-04-13 | 2016-07-13 | 南京腾亚精工科技有限公司 | High-voltage generating circuit of gas power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20180123 |