CN1290625C - Wireless Dc electric spray gun - Google Patents

Wireless Dc electric spray gun Download PDF

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Publication number
CN1290625C
CN1290625C CN 03123762 CN03123762A CN1290625C CN 1290625 C CN1290625 C CN 1290625C CN 03123762 CN03123762 CN 03123762 CN 03123762 A CN03123762 A CN 03123762A CN 1290625 C CN1290625 C CN 1290625C
Authority
CN
China
Prior art keywords
power supply
spray gun
circuit
wireless direct
motor
Prior art date
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.)
Expired - Lifetime
Application number
CN 03123762
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Chinese (zh)
Other versions
CN1539558A (en
Inventor
叶更章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinhua Jinshun Tools Co Ltd
Original Assignee
Jinhua Jinshun Tools Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinhua Jinshun Tools Co Ltd filed Critical Jinhua Jinshun Tools Co Ltd
Priority to CN 03123762 priority Critical patent/CN1290625C/en
Publication of CN1539558A publication Critical patent/CN1539558A/en
Application granted granted Critical
Publication of CN1290625C publication Critical patent/CN1290625C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The present invention belongs to an electric tool class, which specifically relates to a wireless direct-current electric spray gun comprising a gun body, a power supply, a pump system assembly, a motor, a liquid container, a liquid suction pipe and a switch. The wireless direct-current electric spray gun is characterized in that the power supply adopts a rechargeable battery which is connected with an electronic frequency-conversion module controlled by commands and is connected with a main coil of the electromagnetic motor through a power amplification pipe, an armature of the motor moves back and forth at high speed through electromagnetic conversion so that a plunger piston of a pump body system is driven to move back and forth at high speed in a cylinder sleeve. The wireless direct-current electric spray gun has the advantages of flexible operation, portability, high safety and reliability, and the wireless direct-current electric spray gun can be used for field operation without the power supply.

Description

Wireless direct current spray gun
Technical field
The invention belongs to the electric tool class, specifically is a kind of wireless direct current spray gun.
Background technology
Existing electric spray gun serves as for the distribution source with civil power 120V, 60HZ or 220-240V, 50HZ generally, all adopt the cable connected mode, because the built-in high-voltage part of body, potential safety hazard is many, use occasion is restricted, give to use, the operator brings dangerous, not convenient factor, can not be in the countryside, high-altitude, the operation of power failure place, the high voltage in the body easily causes the human electric shock and damages.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, providing a kind of is working power with the rechargeable battery, by the frequency-variable electronic circuit, PWM control electric pulse excites electromagnetic motor to produce dynamic pressure, thereby drives the plunger displacement pump pumping liquid and reach the wireless direct current spray gun of spray effect with high pressure discharge liquid.
Technical scheme of the present invention is as follows: a kind of wireless direct current spray gun, comprise body, power supply, pumping system, pump seat, motor, liquid container, microswitch, switch, power supply adopts rechargeable battery, rechargeable battery has connected instruction control frequency-variable electronic module, and connect the main coil of electromagnetic motor through power amplifier tube, it is characterized in that: power supply is divided into two-way, and one the tunnel connects motor main coil and power amplifier tube, becomes main power source; Another road connects PWM switch driving circuit and PWM manual adjustments circuit adjustment main circuit power after by battery final voltage holding circuit again, is referred to not by the manual adjustments indicating circuit.
The power supply of electric spray gun of the present invention was fixed with being connected with snap close of spray gun body, and its positive and negative electrode inserts microswitch by being electrically connected holder by lead, and microswitch and the anti-error head of pressing of switch of deciding device with lock are linked.
The present invention is by the battery supplied electric energy, direct current is transformed to the square wave electric pulse of 50HZ-140HZ through instruction control frequency-variable electronic module, and provide the main coil of big electric current to line motor through power amplifier tube, electromagnetic conversion makes the armature high speed back and forth movement of motor, high-speed motion before and after the plunger of driving pump system is done in cylinder sleeve, generation vacuum draw liquid enters pump housing ante-chamber and rotates at a high speed from nozzle ejaculation spray film, the present invention has eliminated the existing power supply cable and has connected restriction, can make flexible operation, easy to carry, safe and reliable, can be in power free field work, thus the high voltage that any annex does not produce harmful to human in the body can not injure human body.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a circuit block diagram of the present invention.
Fig. 3 is an embodiment of the invention circuit diagram.
The specific embodiment
As shown in Figure 1, 2, a kind of wireless direct current spray gun, comprise body 2, power supply 1, pumping system assembly 12, pump seat 13, motor 10, liquid container 15, pipette 14, switch 6, power supply 1 adopts rechargeable battery, rechargeable battery has connected instruction control frequency-variable electronic module 9, and connects the main coil 11 of electromagnetic motors 10 through power amplifier tube 20, and it is characterized in that: power supply is divided into two-way, one the tunnel connects motor main coil 11 and power amplifier tube 20, becomes main power source; Another road connects PWM switch driving circuit 17 after by battery final voltage holding circuit 16 again and PWM manual adjustments circuit 18 is regulated the main circuit power; by 19 indications of manual adjustments indicating circuit, and by manual adjustments cage knob on the body 8 and the 20 adjusting demonstrations of manual adjustments display.
Power supply 1 of the present invention was fixed with being connected with snap close of body 2, and its positive and negative electrode inserts microswitches 6 by being electrically connected holder 3 by lead 4, and microswitch 6 and the switch 5 of deciding device with lock anti-error pressed 7 and be linked.
Embodiment as shown in Figure 3, battery supply output dispensing two-way, the one tunnel sends into PWM switching tube V through coil 2, V 3Be main power source, another road is through D 1Send into the switching tube V of pwm control circuit power supply 1, when supply voltage during greater than final voltage, through R 3, R 4Sampling, voltage-reference diode D 2Conducting, V 1Conducting, R 1, R 2Give D 2Provide operating current, V 1Give U after the conducting 1Electric current is provided, when power supply during greater than 16V, U 1Start R 5, C 5Form U 1Oscillating circuit be the frequency of pwm signal, pwm signal is by U 1Output 6 output, through R 8, R 9Driving switch pipe V 2, V 3, the outlet of pwm signal is by U 14 output signals through R P, R 6With R 7After the dividing potential drop, give U 13 input manual adjustments R PCan be to U 1The amplitude adjusted of 6 signals promptly changes U 13 input signal amplitude also just changes the dutycycle of pwm signal, reaches the purpose of regulating main circuit power, D 3, N 2Composition is to N 2Power supply is given in energy stored feedback charging, for example, and when supply voltage during less than 20V, through R 3, R 4Sampling, voltage-reference diode D 2End, in like manner V 1Also end, cut off U 1Power supply, reach circuit final voltage protection.

Claims (2)

1, a kind of wireless direct current spray gun, comprise body (2), power supply (1), pumping system assembly (12), pump seat (13), motor (10), liquid container (15), pipette (14), switch (6), power supply (1) adopts rechargeable battery, rechargeable battery has connected instruction control frequency-variable electronic module (9), and connect the main coil (11) of electromagnetic motor (10) through power amplifier tube (20), it is characterized in that: power supply is divided into two-way, one the tunnel connects motor main coil (11) and power amplifier tube (20), becomes main power source; Another road connects PWM switch driving circuit (17) after by battery final voltage holding circuit (16) again and PWM manual adjustments circuit (18) is regulated main circuit power, is indicated by manual adjustments indicating circuit (19).
2, wireless direct current spray gun according to claim 1, it is characterized in that: power supply (1) was fixed with being connected with snap close of body (2), its positive and negative electrode inserts microswitch (6) by being electrically connected holder (3) by lead (4), and microswitch (6) is linked with the anti-error head (7) of pressing of deciding the switch (5) of device with lock.
CN 03123762 2003-05-20 2003-05-20 Wireless Dc electric spray gun Expired - Lifetime CN1290625C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 03123762 CN1290625C (en) 2003-05-20 2003-05-20 Wireless Dc electric spray gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 03123762 CN1290625C (en) 2003-05-20 2003-05-20 Wireless Dc electric spray gun

Publications (2)

Publication Number Publication Date
CN1539558A CN1539558A (en) 2004-10-27
CN1290625C true CN1290625C (en) 2006-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03123762 Expired - Lifetime CN1290625C (en) 2003-05-20 2003-05-20 Wireless Dc electric spray gun

Country Status (1)

Country Link
CN (1) CN1290625C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773179A (en) * 2012-07-11 2012-11-14 奉化市威优特电器有限公司 Rechargeable direct current type electric spray gun
CN107061213A (en) 2015-11-20 2017-08-18 苏州宝时得电动工具有限公司 Pump unit and Handheld high-voltage cleaning machine

Also Published As

Publication number Publication date
CN1539558A (en) 2004-10-27

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Denomination of invention: Wireless Dc electric spray gun

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