CN210639833U - Welding teaching circuit with rotatory flowing water lamp - Google Patents
Welding teaching circuit with rotatory flowing water lamp Download PDFInfo
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- CN210639833U CN210639833U CN201921161023.5U CN201921161023U CN210639833U CN 210639833 U CN210639833 U CN 210639833U CN 201921161023 U CN201921161023 U CN 201921161023U CN 210639833 U CN210639833 U CN 210639833U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000003466 welding Methods 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model discloses a welding teaching circuit with a rotating water lamp, which comprises a power supply protection circuit, a welding circuit and a welding circuit, wherein the power supply protection circuit is used for preventing the circuit damage caused by the reverse connection of the positive electrode and the negative electrode of a power supply; the pulse trigger circuit is connected with the power supply protection circuit and is used for controlling the pulse sounder; the pulse generator is connected with the pulse trigger circuit and is used for outputting pulses to the pulse distributor; the pulse distributor is connected with the output end of the pulse generator and is used for sequentially distributing the input pulses to each output pin and supplying the pulses to the rotating water lamp; and the rotating water-flowing lamp is connected with the pulse distributor and is used for alternately emitting light according to the received pulses in sequence. The utility model discloses let the experiment have specialty, interesting, help the student better master electronic welding ability and professional technique.
Description
Technical Field
The utility model relates to a teaching circuit field, specifically speaking, in particular to welding teaching circuit with rotatory flowing water lamp.
Background
The practical training course of the electronics can cultivate the practical ability of students, enables the students to identify common electronic components, enables the students to use related electronic instruments and electrician tools, helps the students to know the whole process of manufacturing, assembling and debugging of electronic equipment, and accordingly enhances the capability of theoretical connection practice of the students.
Therefore, some experimental contents with both speciality, safety, interactivity and interestingness need to be designed, so that interest and enthusiasm of students in learning are mobilized, and experimental teaching effects are improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough among the prior art, provide a welding teaching circuit with rotatory flowing water lamp to solve the problem that exists among the prior art.
The utility model provides a technical problem can adopt following technical scheme to realize:
a welding teaching circuit with a rotating water lamp comprises
The power supply protection circuit is used for preventing the circuit damage caused by the reverse connection of the positive electrode and the negative electrode of the power supply;
the pulse trigger circuit is connected with the power supply protection circuit and is used for controlling the pulse sounder;
the pulse generator is connected with the pulse trigger circuit and is used for outputting pulses to the pulse distributor;
the pulse distributor is connected with the output end of the pulse generator and is used for sequentially distributing the input pulses to each output pin and supplying the pulses to the rotating water lamp;
and the rotating water-flowing lamp is connected with the pulse distributor and is used for alternately emitting light according to the received pulses in sequence.
And the voltage follower is connected with the output end of the pulse generator and used for reliably converting the input pulse signal to the output end, so that the loading capacity of the original circuit is improved.
And the flicker circuit is connected with the output end of the voltage follower and is used for flickering and lighting of the light-emitting diode and verifying whether the pulse is generated or not.
Furthermore, one end of the power protection circuit is connected to a power supply, the other end of the power protection circuit is grounded, the power protection circuit comprises diodes D11, D12, D13 and D14, and the diode D11 and the diode D12 are connected in series and then connected in parallel with the diode D13 and the diode D14 which are connected in series.
Further, the pulse trigger circuit comprises a key SW1, a resistor R2, a capacitor C1 and a triode Q1; the key SW1 is connected with a capacitor C1 through a branch, the key SW1 is connected with the base of a triode Q1 through another branch, and the emitter of the triode Q1 is connected with a resistor R2.
Further, the pulse generator comprises a timer U2, a resistor R3, a capacitor C2 and a capacitor C3; the resistor R2 is connected with the capacitor C2 through a branch, the resistor R3 is connected with the capacitor C2 in parallel, the resistor R2 is connected with the timer U2 through another branch, and the timer U2 is connected with the capacitor C3.
Further, the pulse distributor comprises a counter U1, the input end of the counter U1 is connected with a timer U2, and the output end of the counter U1 is connected with the rotary running water lamp through pins respectively.
Further, the rotary flood light includes a resistor R4 for limiting current, and light emitting diodes D1, D2, D3, D4, D5, D6, D7, D8, D9 and D10 arranged in a circle.
Further, the voltage follower comprises pin 3 of a timer U2 and an integrated operational amplifier U3, wherein pin 3 of the timer U2 is used for providing pulses; and a pin 8 and a pin 4 of the integrated operational amplifier U3 are respectively connected with the positive pole and the negative pole of a power supply, a pin 5 is connected with a pin 3 of the timer U2, and a pin 6 and a pin 7 are in short circuit connection to serve as output ends for providing pulse signals of a flashing circuit.
Further, the flicker circuit comprises a pin 7 of an integrated operational amplifier U3, a resistor R5 and a light emitting diode D15, and is used for observing whether the pulse generator works normally, wherein the pin 7 of the integrated operational amplifier U3 provides a pulse signal of the flicker circuit, one section of the resistor R5 is connected with the pin 7 of the integrated operational amplifier U3, one section of the resistor R5 is connected with the anode of the D15, and the cathode of the D15 is connected with the cathode of the power supply.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the power supply protection circuit is added, so that the damage of the circuit caused by the reverse connection of the anode and the cathode of the student is prevented.
2. The voltage follower and the flicker circuit are added, so that the working state of the pulse generator can be verified.
3. The round rotating running water lamps are arranged, so that the interest and the interactivity of the experiment are increased.
Drawings
Fig. 1 is a schematic diagram of a welding teaching circuit with a rotating water lamp according to the present invention.
Fig. 2 is a circuit diagram of a welding teaching circuit with a rotating water lamp according to the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 and 2, the welding teaching circuit with a rotating water lamp of the present invention includes
The power supply protection circuit is used for preventing the circuit damage caused by the reverse connection of the positive electrode and the negative electrode of the power supply;
the pulse trigger circuit is connected with the power supply protection circuit and is used for controlling the pulse sounder;
the pulse generator is connected with the pulse trigger circuit and is used for outputting pulses to the pulse distributor;
the pulse distributor is connected with the output end of the pulse generator and is used for sequentially distributing the input pulses to each output pin and supplying the pulses to the rotating water lamp;
and the rotating water-flowing lamp is connected with the pulse distributor and is used for alternately emitting light according to the received pulses in sequence.
A practical welding teaching circuit of a rotary running water lamp is shown in a functional composition diagram of figure 1: the device comprises a power supply protection circuit, a pulse trigger circuit, a pulse generator, a pulse distributor, a rotating water lamp, a voltage follower and a flicker circuit.
The detailed circuit of which is shown in figure 2,
the power protection circuit consists of 4 diodes including D11, D12, D13 and D14, and can prevent the circuit from being damaged due to the fact that students reversely connect the positive electrode and the negative electrode of a power supply.
The pulse triggering circuit is formed by connecting a key SW1, a resistor R2, a capacitor C1 and a triode Q1 according to the graph in fig. 2, the capacitor C1 is charged by pressing the key SW1, the base voltage of the triode is gradually increased, and the on-off of the collector and the emitter of the triode is controlled, so that the work of the pulse generator is controlled.
The pulse generator is a multivibrator formed by connecting a timer U2, a resistor R3, a capacitor C2 and a capacitor C3 according to the figure 2, and can output pulses with different frequencies to a pulse distributor.
The pulse distributor is composed of a counter U1 connected according to FIG. 2, and distributes the input pulses to the output pins in sequence to supply to the rotating running water lamp circuit.
The rotary running water lamp circuit consists of 10 light emitting diodes including D1, D2, D3, D4, D5, D6, D7, D8, D9 and D10 and a resistor R4, wherein the 10 light emitting diodes are arranged into a circle and emit light in turn in sequence, and the resistor R4 plays a role in limiting current.
The voltage follower comprises pin 3 of a timer U2 and an integrated operational amplifier U3, pin 3 of a timer U2 is used for providing pulses; and a pin 8 and a pin 4 of the integrated operational amplifier U3 are respectively connected with the positive pole and the negative pole of a power supply, a pin 5 is connected with a pin 3 of the timer U2, and a pin 6 and a pin 7 are in short circuit connection to serve as output ends for providing pulse signals of a flashing circuit.
The flicker circuit comprises a pin 7 of an integrated operational amplifier U3, a resistor R5 and a light emitting diode D15 and is used for observing whether the pulse generator works normally, wherein the pin 7 of the integrated operational amplifier U3 provides a pulse signal of the flicker circuit, one section of the resistor R5 is connected with the pin 7 of the integrated operational amplifier U3, one section of the resistor R5 is connected with the anode of the D15, and the cathode of the D15 is connected with the cathode of a power supply.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a welding teaching circuit with rotatory flowing water lamp which characterized in that: comprises that
The power supply protection circuit is used for preventing the circuit damage caused by the reverse connection of the positive electrode and the negative electrode of the power supply;
the pulse trigger circuit is connected with the power supply protection circuit and is used for controlling the pulse sounder;
the pulse generator is connected with the pulse trigger circuit and is used for outputting pulses to the pulse distributor;
the pulse distributor is connected with the output end of the pulse generator and is used for sequentially distributing the input pulses to each output pin and supplying the pulses to the rotating water lamp;
the rotary water lamp is connected with the pulse distributor and is used for alternately emitting light in sequence according to the received pulses;
the voltage follower is connected with the output end of the pulse generator and used for reliably converting an input pulse signal to the output end and improving the loading capacity of the original circuit;
and the flicker circuit is connected with the output end of the voltage follower and is used for flickering and lighting of the light-emitting diode and verifying whether the pulse generator works or not.
2. The welding teaching circuit with a rotating water lamp of claim 1, wherein: one end of the power supply protection circuit is connected with a power supply, the other end of the power supply protection circuit is grounded, the power supply protection circuit comprises diodes D11, D12, D13 and D14, and the diode D11 and the diode D12 are connected in series and then connected in parallel with the diode D13 and the diode D14 which are connected in series.
3. The welding teaching circuit with a rotating water lamp of claim 1, wherein: the pulse trigger circuit comprises a key SW1, a resistor R2, a capacitor C1 and a triode Q1; the key SW1 is connected with a capacitor C1 through a branch, the key SW1 is connected with the base of a triode Q1 through another branch, and the emitter of the triode Q1 is connected with a resistor R2.
4. The welding teaching circuit with a rotating water lamp of claim 3, wherein: the pulse generator comprises a timer U2, a resistor R3, a capacitor C2 and a capacitor C3; the resistor R2 is connected with the capacitor C2 through a branch, the resistor R3 is connected with the capacitor C2 in parallel, the resistor R2 is connected with the timer U2 through another branch, and the timer U2 is connected with the capacitor C3.
5. The welding teaching circuit with a rotating water lamp of claim 4, wherein: the pulse distributor comprises a counter U1, wherein the input end of a counter U1 is connected with a timer U2, and the output end of a counter U1 is connected with a rotary running water lamp through pins respectively.
6. The welding teaching circuit with a rotating water lamp of claim 5, wherein: the rotary flood lamp includes a resistor R4 for limiting current, and light emitting diodes D1, D2, D3, D4, D5, D6, D7, D8, D9 and D10 arranged in a circle.
7. The welding teaching circuit with a rotating water lamp of claim 1, wherein: the voltage follower comprises pin 3 of a timer U2 and an integrated operational amplifier U3, pin 3 of a timer U2 is used for providing pulses; and a pin 8 and a pin 4 of the integrated operational amplifier U3 are respectively connected with the positive pole and the negative pole of a power supply, a pin 5 is connected with a pin 3 of the timer U2, and a pin 6 and a pin 7 are in short circuit connection to serve as output ends for providing pulse signals of a flashing circuit.
8. The welding teaching circuit with a rotating water lamp of claim 1, wherein: the flicker circuit comprises a pin 7 of an integrated operational amplifier U3, a resistor R5 and a light emitting diode D15 and is used for observing whether the pulse generator works normally, wherein the pin 7 of the integrated operational amplifier U3 provides a pulse signal of the flicker circuit, one section of the resistor R5 is connected with the pin 7 of the integrated operational amplifier U3, one section of the resistor R5 is connected with the anode of the D15, and the cathode of the D15 is connected with the cathode of a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161023.5U CN210639833U (en) | 2019-07-23 | 2019-07-23 | Welding teaching circuit with rotatory flowing water lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921161023.5U CN210639833U (en) | 2019-07-23 | 2019-07-23 | Welding teaching circuit with rotatory flowing water lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210639833U true CN210639833U (en) | 2020-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921161023.5U Expired - Fee Related CN210639833U (en) | 2019-07-23 | 2019-07-23 | Welding teaching circuit with rotatory flowing water lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210639833U (en) |
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2019
- 2019-07-23 CN CN201921161023.5U patent/CN210639833U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |