CN220873156U - Tip discharge device - Google Patents
Tip discharge device Download PDFInfo
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- CN220873156U CN220873156U CN202322478507.5U CN202322478507U CN220873156U CN 220873156 U CN220873156 U CN 220873156U CN 202322478507 U CN202322478507 U CN 202322478507U CN 220873156 U CN220873156 U CN 220873156U
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- resistor
- triode
- inductor
- tip
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- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 230000005669 field effect Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model discloses a point discharge device, comprising: the tip discharge module is arranged in the protective shell, a discharge hole is formed in the top end of the protective shell, a discharge tip of the tip discharge module is led out of the discharge hole, and the power supply is connected with the tip discharge module. The utility model can realize the tip discharge device for teaching.
Description
Technical Field
The utility model relates to the field of point discharge, in particular to a point discharge device.
Background
The prior tip discharge teaching aid mainly has two different forms of continuous discharge and intermittent discharge.
The current intermittent discharge tip discharge demonstration electric product has great arc power, is easy to cause arc injury when a human body approaches, has higher power supply voltage, is supplied with 220V mains supply, and has higher potential safety hazard when used as a teaching aid.
The current continuous mode point discharge demonstration product has lower power supply voltage, can adopt safe voltage below 30V, but during operation, electronic component can accumulate a large amount of heat, and is easy to damage, can produce continuous high-voltage arc at the point of discharging, and human body can cause the burn when continuously contacting this electric arc to this electric arc can also light inflammable articles such as paper, wool spinning, exists higher conflagration hidden danger.
Disclosure of utility model
The utility model aims to provide a point discharge device and aims to solve the problem of teaching aid design of point discharge.
A tip discharge device, comprising:
The tip discharge module is arranged in the protective shell, a discharge hole is formed in the top end of the protective shell, a discharge tip of the tip discharge module is led out of the discharge hole, and the power supply is connected with the tip discharge module.
By adopting the embodiment of the utility model, the teaching aid design of the tip discharge can be realized.
The foregoing description is only an overview of the present utility model, and is intended to provide a more clear understanding of the technical means of the present utility model, as it is embodied in accordance with the present utility model, and to make the above and other objects, features and advantages of the present utility model more apparent, as it is embodied in the following detailed description of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a tip discharge module of a tip discharge apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a boosting circuit of a tip discharge apparatus according to an embodiment of the present utility model;
fig. 3 is an overall schematic view of a tip discharge apparatus according to an embodiment of the present utility model.
Description of the drawings:
1: a protective housing, 2: tip discharge module, 3: discharge tip, 4: and a power supply line.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Device embodiment
The present utility model provides a tip discharge device, comprising:
The tip discharge module is arranged in the protective shell, a discharge hole is formed in the top end of the protective shell, a discharge tip of the tip discharge module is led out of the discharge hole, and the power supply is connected with the tip discharge module.
The voltage of the power supply was 5V.
The power supply and the tip discharge module adopt a USB to 3.5mmDC power line.
The side of the protective shell is provided with a power supply small hole, and the power supply wire penetrates through the power supply small hole.
Fig. 1 is a schematic view of a tip discharge module of a tip discharge apparatus according to an embodiment of the present utility model;
The tip discharge module specifically includes: the device comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, an inductor L1, an inductor L2, a capacitor C1, a capacitor C2, a triode Q1, a triode Q2, a field effect transistor, a singlechip U1, a diode D1, a booster circuit and a ground terminal; the power supply is connected with a resistor R4, the resistor R4 is connected with a resistor R1, the cutting connection point is a, the output end of a singlechip U1 is connected with a, the resistor R1 is connected with the base electrode of a triode Q1, the collector electrode of the triode Q1 is connected with one end of a resistor R2, the connection point is b, the b is connected with the grid electrode of a field effect tube, the drain electrode of the field effect tube is connected with a boosting circuit, the emitter electrode of the triode Q1 is connected with the ground end, the other end of the resistor R2 is connected with the boosting circuit, the emitter electrode of the triode Q2 is connected with the ground end, the collector electrode of the triode Q2 is connected with one end of an inductor L2, the base electrode of the triode Q2 is connected with one end of a resistor R3, the cutting connection point is C, the other end of the resistor R3 is connected with the other end of the inductor L2 and the connection point is D, the source electrode of the field effect tube is connected with D, one end of the capacitor C1 is connected with the ground end of a capacitor C2, one end of the diode D1 is connected with one end of the inductor L1, the other end of the diode D1 is connected with the ground, the connection point is e, the other end of the inductor L1 is connected with the inductor L1 is the ground, the other end of the inductor is the single chip microcomputer is connected with the singlechip, and the singlechip U1 is grounded, the singlechip is connected with the singlechip through the singlechip.
The power supply is connected with the boost circuit. The protective shell is made of transparent acrylic material.
The specific implementation method is as follows:
the tip point placing teaching aid can be used for teaching demonstration and is high in safety;
2. Intermittent discharge has small arc power, does not cause any harm to human body, and is convenient for students to observe and experience.
The working principle is that the scheme adopts a USB interface to supply power, and the working voltage is 5V, and the working voltage consists of a tip discharge module, a protective shell and a power line. The structure is shown in the following figure:
The tip discharge module 2 is adhered to the center of the bottom plate 1 of the protective shell by using a double-sided adhesive block, a small hole 4 is arranged in the middle of the top plate 3 of the protective shell, the discharge tip of the tip discharge module is led out of the small hole 4, and a power line is connected to a power interface 5 on the side face of the protective shell.
FIG. 2 is a schematic diagram of a boosting circuit of a tip discharge apparatus according to an embodiment of the present utility model;
FIG. 3 is an overall schematic view of a tip discharge apparatus according to an embodiment of the present utility model;
The 5V power supply is input through a P1 interface, a booster circuit is formed by a booster chip U3, an inductor L3, a diode D1, a resistor R5 and a resistor R7, the 5V voltage is increased to be more than 12V, and the output voltage can be regulated by changing the resistance value of the resistor R5. The singlechip U1 generates periodic high-level pulse signals to control the on-off of the field effect transistor Q4, when the field effect transistor Q4 is conducted, the triode Q2 is conducted, current flows through the primary coil L2, induced current can be generated on the secondary coil L1 and fed back to the base electrode of the Q2 so as to generate oscillation, the secondary coil L1 generates high voltage due to series resonance, charges are accumulated at the tip end of the L1 coil, the air is ionized and broken down by the extremely high voltage to generate arc discharge phenomenon, and when the field effect transistor Q4 is cut off, the primary coil is powered off to generate arc extinguishing effect.
The power supply voltage of the scheme is only 5V, belongs to safety voltage conforming to national standard, adopts an intermittent discharge mode, has extremely short arc existence time which is less than 20ms, has small arc power and can not damage human body even if being contacted for a long time. The protective housing is totally enclosed, and the top is left the aperture both can draw forth discharge point, observes and experience, also can seal discharge point in the protective housing completely to further improve the security.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; and these modifications or substitutions may be made to the technical solutions of the embodiments of the present utility model without departing from the spirit of the corresponding technical solutions.
Claims (7)
1. A tip discharge device, comprising:
The tip discharge module is arranged in the protective shell, a discharge hole is formed in the top end of the protective shell, a discharge tip of the tip discharge module is led out of the discharge hole, and the power supply is connected with the tip discharge module.
2. The apparatus of claim 1, wherein the voltage of the power source is 5V.
3. The device of claim 2, wherein the power and tip discharge module employs a USB to 3.5mmDC power cord.
4. A device according to claim 3, wherein the protective housing is provided with a power aperture in a side thereof through which the power cord passes.
5. The device according to claim 4, wherein the tip discharge module specifically comprises: the device comprises a resistor R1, a resistor R2, a resistor R3, a resistor R4, an inductor L1, an inductor L2, a capacitor C1, a capacitor C2, a triode Q1, a triode Q2, a field effect transistor, a singlechip U1, a diode D1, a booster circuit and a ground terminal; the power supply is connected with a resistor R4, the resistor R4 is connected with a resistor R1, the cutting connection point is a, the output end of a singlechip U1 is connected with a, the resistor R1 is connected with the base electrode of a triode Q1, the collector electrode of the triode Q1 is connected with one end of a resistor R2, the connection point is b, the b is connected with the grid electrode of a field effect tube, the drain electrode of the field effect tube is connected with a boosting circuit, the emitter electrode of the triode Q1 is connected with the ground end, the other end of the resistor R2 is connected with the boosting circuit, the emitter electrode of the triode Q2 is connected with the ground end, the collector electrode of the triode Q2 is connected with one end of an inductor L2, the base electrode of the triode Q2 is connected with one end of a resistor R3, the cutting connection point is C, the other end of the resistor R3 is connected with the other end of the inductor L2 and the connection point is D, the source electrode of the field effect tube is connected with D, one end of the capacitor C1 is connected with the ground end of a capacitor C2, one end of the diode D1 is connected with one end of the inductor L1, the other end of the diode D1 is connected with the ground, the connection point is e, the other end of the inductor L1 is connected with the inductor L1 is the ground, the other end of the inductor is the single chip microcomputer is connected with the singlechip, and the singlechip U1 is grounded, the singlechip is connected with the singlechip through the singlechip.
6. The apparatus of claim 5, wherein the power source is coupled to a boost circuit.
7. The device of claim 6, wherein the protective housing is transparent acrylic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478507.5U CN220873156U (en) | 2023-09-12 | 2023-09-12 | Tip discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322478507.5U CN220873156U (en) | 2023-09-12 | 2023-09-12 | Tip discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873156U true CN220873156U (en) | 2024-04-30 |
Family
ID=90816463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322478507.5U Active CN220873156U (en) | 2023-09-12 | 2023-09-12 | Tip discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873156U (en) |
-
2023
- 2023-09-12 CN CN202322478507.5U patent/CN220873156U/en active Active
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