CN2625042Y - Wireless direct current electric spray gun - Google Patents
Wireless direct current electric spray gun Download PDFInfo
- Publication number
- CN2625042Y CN2625042Y CN 03256623 CN03256623U CN2625042Y CN 2625042 Y CN2625042 Y CN 2625042Y CN 03256623 CN03256623 CN 03256623 CN 03256623 U CN03256623 U CN 03256623U CN 2625042 Y CN2625042 Y CN 2625042Y
- Authority
- CN
- China
- Prior art keywords
- power supply
- spray gun
- direct current
- motor
- circuit
- 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
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Abstract
The utility model relates to a wireless DC electric spray gun, belonging to the electric tool field, which comprises a machine body, a power supply, a pump system component, a motor, a liquid container, a pipette and switch; the utility model is characterized in that the power supply adopts the rechargeable battery, the rechargeable battery is connected with instructions to control the electronic frequency conversion module and connected with the main coil of a electromagnetic motor through a power-amplifier tube, and the electromagnetic conversion makes the armature iron of the motor implement the high-speed reciprocating movement in order to promote a plunger piston of the pump body system to implement the front-back high-speed movement in a cylinder sleeve. The utility model has the advantages of the flexible operation, the convenient carrying and the safety and reliability, and can be operated without the power supply in the fields.
Description
One, technical field
The utility model belongs to the electric tool class, specifically is a kind of wireless direct current spray gun.
Two, 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.
Three, technology contents
The purpose of this utility model 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.
The technical solution of the utility model is as follows: a kind of wireless direct current spray gun, comprise body, power supply, pumping system, pump seat, motor, liquid container, microswitch, switch, it is characterized in that: power supply adopts rechargeable battery, rechargeable battery has connected instruction control frequency-variable electronic module, and connects the main coil of electromagnetic motor through power amplifier tube.
The power supply of electric spray gun of the present utility model 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 inside conductor, and microswitch and the anti-error head of pressing of switch of deciding device with lock are linked.
The utility model 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 utility model has been eliminated the existing power supply cable and has been 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.
Four, drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model circuit block diagram.
Fig. 3 implements line circuit figure for the utility model.
Five, 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), liquid container (15), pipette (14), switch (5), it is characterized in that: 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 motor (10) through power amplifier tube (20).
The power supply of the utility model electric spray gun (1) was fixed with being connected with snap close of electric spray gun body (2), its positive and negative electrode connects electrical connection holder (3), and inserting microswitch (6) by lead (4), the action of microswitch is pressed head (7) by the switch (5) of decide device with lock anti-error and is linked and act on.
As shown in Figure 2, battery supply of the present utility model (1) is divided into two the tunnel, the one tunnel and connects motor main coil (11) and power amplifier tube (20), becomes main power source; Another road connects PWM switch driving circuit (17) and PWM manual adjustments circuit (18) after connecting battery final voltage holding circuit (16) again; regulate main circuit power; by manual adjustments indicating circuit (19) indication, and by manual adjustments cage knob (8) on the body and manual adjustments display (21) adjusting demonstration.
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
4The power sample, 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＜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 (3)
1, a kind of wireless direct current spray gun, comprise body (2), power supply (1), pumping system assembly (12), motor (10), liquid container (15), pipette (14), switch (5), it is characterized in that: 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 motor (10) through power amplifier tube (20).
2, according to the described wireless direct current spray gun of claim 1, it is characterized in that: battery supply (1) is divided into two the tunnel, the one tunnel and 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).
3, the described wireless direct current spray gun of 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 the switch (5) of empty position with lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256623 CN2625042Y (en) | 2003-04-30 | 2003-04-30 | Wireless direct current electric spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256623 CN2625042Y (en) | 2003-04-30 | 2003-04-30 | Wireless direct current electric spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2625042Y true CN2625042Y (en) | 2004-07-14 |
Family
ID=34253934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256623 Expired - Lifetime CN2625042Y (en) | 2003-04-30 | 2003-04-30 | Wireless direct current electric spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2625042Y (en) |
-
2003
- 2003-04-30 CN CN 03256623 patent/CN2625042Y/en not_active Expired - Lifetime
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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 |
Effective date of abandoning: 20030430 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |