CN1539558A - 无线直流电喷枪 - Google Patents

无线直流电喷枪 Download PDF

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CN1539558A
CN1539558A CNA031237622A CN03123762A CN1539558A CN 1539558 A CN1539558 A CN 1539558A CN A031237622 A CNA031237622 A CN A031237622A CN 03123762 A CN03123762 A CN 03123762A CN 1539558 A CN1539558 A CN 1539558A
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spray gun
circuit
power supply
motor
power
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CN1290625C (zh
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叶更章
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Jinhua Jinshun Tools Co Ltd
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Abstract

本发明属于电动工具类，具体是一种无线直流电喷枪，包括机体、电源、泵系统组件、马达、液体容器、吸液管、开关，其特征在是：电源采用可充电电池，可充电电池连接了指令控制电子变频模块，并经功率放大管连接电磁马达的主线圈，电磁转换使马达的衔铁高速往返运动，推动泵体系统的柱塞在缸套内作前后高速运动。本发明操作灵活、携带方便、安全可靠，能在无电源的野外作业。

Description

无线直流电喷枪
一、技术领域
本发明属于电动工具类，具体是一种无线直流电喷枪。
二、背景技术
现有的电喷枪一般以市电120V、60Hz或220～240V、50Hz为供配电源，都采用电缆线连接方式，由于机体内置高电压部件，安全隐患多，使用场合受限制，给使用、操作者带来不安全、不便利因素，不能够在郊外、高空、停电场所作业，机体中的高电压易导致人体触电而造成伤害。
三、技术内容
本发明的目的是针对现有技术的不足，提供一种以可充电电池为工作电源，由电子变频电路，PWM控制电脉冲激发电磁马达产生动态压力，从而带动柱塞泵抽吸液体并以高压排射液体达到喷雾效果的无线直流电喷枪。
本发明的技术方案如下：一种无线直流电喷枪，包括机体、电源、泵系统、泵座、马达，液体容器、微动开关、开关，其特征在于：电源采用可充电电池，可充电电池连接了指令控制电子变频模块，并经功率放大管连接电磁马达的主线圈。
本发明的电喷枪的电源与喷枪机体的连接用锁扣固定，其正负电极由电连接夹座通过内导线接入微动开关，微动开关与带锁定装置的开关防误揿头联动配合。
本发明由电池供应电能，经指令控制电子变频模块将直流电变换为50Hz-140Hz的方波电脉冲，并经功率放大管提供大电流到直线马达的主线圈，电磁转换使马达的衔铁高速往返运动，推动泵体系统的柱塞在缸套内作前后高速运动，产生真空抽吸液体进入泵体前腔高速旋转从喷嘴射出雾液，本发明消除了现有电源电缆连接限制，可使操作灵活、携带方便、安全可靠，能在无电源的野外作业，机体中任何附件都不产生危害人体的高电压从而不会伤害人体。
四、图面说明
图1为本发明结构示意图。
图2为本发明电路框图。
图3为本发明实施线电路图。
五、具体实施方式
如图1、2所示，一种无线直流电喷枪，包括机体(2)、电源(1)、泵系统组件(12)、泵座(13)、液体容器(15)、吸液管(14)、开关(5)，其特征在于：电源(1)采用可充电电池，可充电电池连接了指令控制电子变频模块(9)，并经功率放大管(20)连接电磁马达(10)的主线圈(11)。
本发明电喷枪的电源(1)和电喷枪机体(2)的连接用锁扣固定，其正负电极连接电连接夹座(3)，并由导线(4)接入微动开关(6)，微动开关的动作由带锁定装置的开关(5)的防误揿头(7)联动而作用。
如图2所示，本发明的电池电源(1)分为二路，一路连接马达主线圈(11)与功率放大管(20)，成为主电源；另一路连接电池终止电压保护电路(16)后再连接PWM开关驱动电路(17)及PWM手动调节电路(18)，调节主电路功率，由手动调节指示电路(19)指示，并通过机体上的手动调节锁钮(8)与手动调节显示器(20)调节显示。
如图3所示实施例，电池电源输出分送两路，一路经线圈送入PWM开关管V2、V3为主电源，另一路经D1送入PWM控制电路电源的开关管V1，当电源电压大于终止电压时，经R3、R4取样，基准稳压管D2导通，V1导通，R1、R2给D2提供工作电流，V1导通后给U1提供电流，当电源大于16V时，U1启动，R5、C5组成U1的振荡电路即PWM信号的频率，PWM信号由U1的输出端6输出，经R8、R9驱动开关管V2、V3，PWM信号的出线由U1的4输出信号经RP、R6与R7分压后，送给U1的3输入端手动调节RP即可对U16信号的幅度调节，即改变U13的输入信号幅度，也就改变PWM信号的占空比，达到调节主电路功率的目的，D3、N2组成对N2储存的能量反馈充电给电源，例如，当电源电压＜20V时，经R3、R4取样，基准稳压管D2截止，同理V1也截止，切断U1的电源，达到电路终止电压保护。

Claims (3)

1、一种无线直流电喷枪，包括机体(2)、电源(1)、泵系统组件(12)、马达(10)、液体容器(15)、吸液管(14)、开关(6)，其特征在于：电源(1)采用可充电电池，可充电电池连接了指令控制电子变频模块(9)，并经功率放大管(20)连接电磁马达(10)的主线圈(11)。
2、据权利要求1所述的无线直流电喷枪，其特征在于：电池电源(1)分为二路，一路连接马达主线圈(11)与功率放大管(20)，成为主电源；另一路通过电池终止电压保护电路(16)后再连接PWM开关驱动电路(17)及PWM手动调节电路(18)调节主电路功率，由手动调节指示电路(19)指示。
3、权利要求1所述的无线直流电喷枪，其特征在于：电源(1)与机体(2)的连接用锁扣固定，其正负电极由电连接夹座(3)通过导线(4)接入微动开关(6)，微动开关(6)与带锁定装置的开关(5)的防误揿头(7)联动配合。
CN 03123762 2003-05-20 2003-05-20 无线直流电喷枪 Expired - Lifetime CN1290625C (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773179A (zh) * 2012-07-11 2012-11-14 奉化市威优特电器有限公司 一种可充电直流式电喷枪
WO2017084633A1 (zh) 2015-11-20 2017-05-26 苏州宝时得电动工具有限公司 泵单元及手持式高压清洗机

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773179A (zh) * 2012-07-11 2012-11-14 奉化市威优特电器有限公司 一种可充电直流式电喷枪
WO2017084633A1 (zh) 2015-11-20 2017-05-26 苏州宝时得电动工具有限公司 泵单元及手持式高压清洗机
US10968899B2 (en) 2015-11-20 2021-04-06 Positec Power Tools (Suzhou) Co., Ltd. Pump unit and handheld high pressure washer
USRE49589E1 (en) 2015-11-20 2023-07-25 Positec Power Tools (Suzhou) Co., Ltd Pump unit and handheld high pressure washer

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