CN209765865U - Automobile electrician electronic practical training teaching display board - Google Patents
Automobile electrician electronic practical training teaching display board Download PDFInfo
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- CN209765865U CN209765865U CN201920281784.8U CN201920281784U CN209765865U CN 209765865 U CN209765865 U CN 209765865U CN 201920281784 U CN201920281784 U CN 201920281784U CN 209765865 U CN209765865 U CN 209765865U
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- 238000012549 training Methods 0.000 title claims abstract description 11
- 238000012795 verification Methods 0.000 claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
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Abstract
The utility model discloses an automobile electrician electronic practical training teaching display board, including bracket, supporting screw, binding post, power E, fuse F, wiring board and mounting hole, the bracket is installed through the supporting screw in bracket bottom corner position, be provided with series circuit, parallel circuit, electric capacity test circuit, variable resistance circuit, triode switch verification circuit, the one-way electric conductivity property verification circuit of diode, inductance phenomenon and photoresistance effect verification circuit on the bracket; the utility model discloses a this teaching model can be along with the continuous upgrading update needs of study content and knowledge point, carries out continuous upgrading through the method of changing electronic component and change circuit connection to adapt to the needs of new teaching content and method, the teaching of the teacher of being convenient for very much in the aspect of automobile teaching and student's real standard, and real effect of instructing is obvious, the student operation of being convenient for, and the real standard of teaching is with low costs, can repetitious usage.
Description
Technical Field
The utility model belongs to the car circuit field specifically is real teaching show board of instructing of car electrician electron.
Background
The teaching model is a model device which is used for teaching by a teacher and is convenient for students to know the composition and detection of an automobile basic circuit and a related control circuit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide real teaching show board of instructing of car electrician electron.
The purpose of the utility model can be realized by the following technical scheme:
the automobile electrician electronic practical training teaching display board comprises a bracket, a supporting screw, a wiring terminal, a power supply E, a fuse F, a wiring board and a mounting hole, the bracket is arranged at the corner position at the bottom end of the bracket through a supporting screw, the mounting hole is arranged on the bracket in a penetrating way, and a plurality of groups of switches are embedded in the mounting holes, screw holes are arranged on two sides of the wiring board, the wiring board is arranged at the upper end of the bracket through screw hole matching screws, wherein the wiring boards are arranged side by side, the mounting holes are transversely arranged in a straight line shape, the wiring terminals are distributed on the wiring boards, the fuse F is connected between the wiring terminals, the power supply E is externally connected through a connecting wire, the bracket is provided with a series circuit, a parallel circuit, a capacitance test circuit, a variable resistance circuit, a triode switch verification circuit, a diode one-way conductivity verification circuit and an inductance phenomenon and photoresistance action verification circuit.
Furthermore, the series circuit comprises a switch S1, a bulb A1 and a bulb A2, the negative electrode of the power supply E is connected with the bulb A2, the bulb A1, the switch S1 and a fuse F in series in sequence, and the other end of the fuse F is connected with the positive electrode of the power supply E.
furthermore, the parallel circuit comprises a switch S1-1, a switch S1-2, a switch S1-3, a bulb B1 and a bulb B2, the positive pole of a power supply E is connected with one end of a fuse F, the other end of the fuse F is connected with the switch S1-1, the other end of the switch S1-1 is connected with one end of a switch S1-2 and one end of a switch S1-3, the other end of the switch S1-2 is connected with the bulb B1, the other end of the bulb B1 is connected with the negative pole of the power supply E after being connected with the bulb B2, and the other end of the switch S1-3 is connected with the bulb B2 in series.
Furthermore, the capacitance test circuit comprises a capacitor C, a switch S2-1, a switch S2-2 and a bulb L1, wherein the positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S2-1, the other end of the switch S2-1 is connected with the switch S2-2 and one end of the bulb L1, the other end of the switch S2-2 is connected with the capacitor C, and the other end of the bulb L1 is connected with the negative electrode of the power supply E after being connected with the capacitor C.
Furthermore, the variable resistance circuit comprises a switch S3-1, a bulb L1-1 and a variable resistor R1, the positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S3-1, the other end of the switch S3-1 is connected with one ends of the bulb L1-1 and the variable resistor R1, and the other end of the bulb L1-1 is connected with the negative electrode of the power supply E after being connected with the variable resistor R1.
Further, the triode switch verification circuit comprises a switch S4-1, a fixed value resistor R2, a variable resistor R3, a triode NPN and a bulb L2-1, wherein the positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S4-1, the other end of the switch S4-1 is connected with a fixed value resistor R2, the other end of the fixed value resistor R2 is connected with one end of the variable resistor R3 and a triode NPN collector, the other end of the variable resistor R3 is connected with a triode NPN base, an emitter of the triode NPN is connected with the bulb L2-1, and the other end of the bulb L2-1 is connected with the negative electrode of the power supply E.
Further, the unidirectional conductivity verification circuit of the diode comprises a switch S5-1, a switch S5-2, a diode G1, a diode G2 and a bulb L3-1, the anode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with a bulb L3-1, the other end of the bulb L3-1 is connected with a switch S5-1 and one end of a switch S5-2, the other end of the switch S5-1 is connected with the cathode of a diode G1, the anode of a diode G1 is connected with the cathode of a diode G2 and then is connected with the cathode of the power supply E, and the other end of the switch S5-2 is connected with the anode of a diode G2.
Further, the circuit for verifying the inductance phenomenon and the action of the photoresistor comprises a switch S6-1, a photoresistor R4, a bulb L4-1, an alternating current power supply U and a relay Z, wherein the positive electrode of the alternating current power supply U is connected with one end of a fuse F and one end of a switch S6-1, the other end of the fuse F and the other end of the switch S6-1 are connected with the relay Z, the other end of the relay Z is connected with one end of a bulb L4-1 and one end of a photoresistor R4, the bulb L4-1 is connected with the photoresistor R4 and then is connected with the alternating current power supply U, and a switch S6-2 and an inductance coil Z1 are.
The utility model has the advantages that: the utility model discloses a this teaching model can be along with the continuous upgrading update needs of study content and knowledge point, carry out continuous upgrading through the method of changing electronic component and change circuit connection to adapt to the needs of new teaching content and method, reach effect with advancing, the teaching of the teacher of being convenient for very much in the aspect of automobile teaching and student's real standard, and real effect of instructing is obvious, practicality and interest combine together, the student operation of being convenient for, real standard of teaching is with low costs, can repetitious usage.
Drawings
in order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention;
Fig. 2 is a series circuit diagram of the present invention;
Fig. 3 is a parallel circuit diagram of the present invention;
Fig. 4 is a circuit diagram of the capacitance test of the present invention;
fig. 5 is a circuit diagram of the variable resistor of the present invention;
Fig. 6 is a circuit diagram of the triode switch verification circuit of the present invention;
Fig. 7 is a circuit diagram for verifying the one-way conductivity of the diode of the present invention;
Fig. 8 is a circuit diagram for verifying the inductance phenomenon and the photo resistance effect of the present invention.
Detailed Description
as shown in fig. 1-8, real teaching show board of instructing of car electrician electron, including bracket 1, supporting screw 2, binding post 3, power E, fuse F, wiring board 4 and mounting hole 5, bracket 1 bottom corner position installs the support through supporting screw 2, mounting hole 5 runs through and sets up on bracket 1, and a plurality of switch sets inlay in mounting hole 5, the screw has been seted up on wiring board 4 both sides, and wiring board 4 installs in bracket 1 upper end through screw cooperation screw, wherein, wiring board 4 sets up side by side, mounting hole 5 is a style of calligraphy transverse arrangement, and binding post 3 distributes on wiring board 4, and fuse F connects between binding post 3, and power E is external through connecting wire, be provided with series circuit, parallel circuit, electric capacity test circuit, variable resistance circuit, triode switch verification circuit on bracket 1, The device comprises a unidirectional conductivity verification circuit of the diode, an inductance phenomenon verification circuit and a photoresistor action verification circuit.
The series circuit comprises a switch S1, a bulb A1 and a bulb A2, the negative electrode of a power supply E is sequentially connected with the bulb A2, the bulb A1, the switch S1 and a fuse F in series, and the other end of the fuse F is connected with the positive electrode of the power supply E.
The parallel circuit comprises a switch S1-1, a switch S1-2, a switch S1-3, a bulb B1 and a bulb B2, the positive electrode of a power supply E is connected with one end of a fuse F, the other end of the fuse F is connected with a switch S1-1, the other end of the switch S1-1 is connected with one end of a switch S1-2 and one end of a switch S1-3, the other end of the switch S1-2 is connected with the bulb B1, the other end of the bulb B1 is connected with the negative electrode of the power supply E after being connected with the bulb B2, and the other end of the switch S1-3 is connected with the bulb B2 in series.
The capacitance test circuit comprises a capacitor C, a switch S2-1, a switch S2-2 and a bulb L1, wherein the positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S2-1, the other end of the switch S2-1 is connected with one end of a switch S2-2 and one end of a bulb L1, the other end of the switch S2-2 is connected with the capacitor C, and the other end of the bulb L1 is connected with the negative electrode of the power supply E after being connected with the capacitor C.
The variable resistance circuit comprises a switch S3-1, a bulb L1-1 and a variable resistor R1, wherein the positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S3-1, the other end of the switch S3-1 is connected with one end of a bulb L1-1 and one end of a variable resistor R1, and the other end of the bulb L1-1 is connected with the negative electrode of the power supply E after being connected with the variable resistor R1.
The triode switch verification circuit comprises a switch S4-1, a fixed value resistor R2, a variable resistor R3, a triode NPN and a bulb L2-1, wherein the positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S4-1, the other end of the switch S4-1 is connected with a fixed value resistor R2, the other end of the fixed value resistor R2 is connected with one end of a variable resistor R3 and a triode NPN collector, the other end of the variable resistor R3 is connected with a triode NPN base, an NPN triode emitter is connected with the bulb L2-1, and the other end of the bulb L2-1 is connected with the negative electrode of the power supply E.
The unidirectional conductivity verification circuit of the diode comprises a switch S5-1, a switch S5-2, a diode G1, a diode G2 and a bulb L3-1, wherein the anode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the bulb L3-1, the other end of the bulb L3-1 is connected with a switch S5-1 and one end of a switch S5-2, the other end of the switch S5-1 is connected with the cathode of the diode G1, the anode of the diode G1 is connected with the cathode of the power supply E after being connected with the cathode of the diode G2, and the other end of the switch S5-2 is connected with the anode of the diode G2.
The circuit for verifying the effects of the inductance phenomenon and the photoresistance comprises a switch S6-1, a photoresistance R4, a bulb L4-1, an alternating current power supply U and a relay Z, wherein the positive pole of the alternating current power supply U is connected with one end of a fuse F and one end of a switch S6-1, the fuse F and the other end of the switch S6-1 are connected with the relay Z, the other end of the relay Z is connected with one end of a bulb L4-1 and one end of a photoresistance R4, the bulb L4-1 is connected with the photoresistance R4 and then is connected with the alternating current power supply U, and a switch S6-2 and an inductance coil Z1 are connected in.
the working principle is as follows: the connection terminal can form the following circuits in different connection modes through wires: the device comprises a series circuit, a parallel circuit, a capacitance test circuit, a variable resistance circuit, a triode switch verification circuit, a diode one-way conductivity verification circuit and an inductance phenomenon and photoresistance action verification circuit; (1) closing a switch S1, respectively measuring the voltages at two ends of a bulb A1 and a bulb A2 as U1 and U2 by using a universal meter, respectively measuring the currents passing through the bulb A1 and the bulb A2 as I1 and I2, and analyzing and calculating the data to obtain: e ═ U1+ U2, I1 ═ I2, R total ═ UI/I1+ U2/I2; (2) the switch S1-1, the switch S1-2 and the switch S1-3 are closed, the universal meter is used for measuring the voltages at two ends of the bulb B1 and the bulb B2 to be U3 and U4 respectively, the main circuit current and the two branch circuit currents to be I3, I4 and I5 respectively are measured, and the data are analyzed and calculated to obtain: E-U1-U2, I3-I4 + I5, R total-E/(I4 + I5),1/R total-I4/U3 + I5/U4; (3) the switch S2-1 is closed, the switch S2-2 is opened, the bulb L1 emits light normally, meanwhile, the switch S2-1 is closed and the switch S2-2 is closed, compared with the switch S2-1 and the switch S2-2 is opened, the brightness of the bulb L1 becomes dark, the capacitor C is charged through voltage division, the switch S2-1 is opened, the switch S2-2 is closed, the bulb L1 can still emit light, the capacitor C discharges, the charge charging and discharging functions of the capacitor are effectively verified, and the lamp can be extended to a delay control circuit of an automobile; (4) the switch S3-1 is closed, the brightness change of the bulb L1-1 is observed by changing the resistance value of the variable resistor R1, the influence of the variable resistor R1 on the working conditions of related electric appliances can be tested and verified, and the variable resistor R1 is further extended to circuits such as a water temperature meter, an engine oil pressure meter and a fuel gauge of an automobile; (5) when the voltage of the automobile power supply is too high, the voltage reduced by the resistor R2 is also too high, and the voltage of the base electrode of the triode NPN is also increased, so that the triode NPN is in a conducting state, a large current flows from the collector electrode to the emitter electrode of the triode NPN, and the bulb L2-1 shines. Verifying the voltage regulation of a voltage regulator of the automobile alternating-current generator through the switching principle of a triode; (6) the closing switch S5-1 is used for opening the switch S5-2, the bulb L3-1 cannot normally emit light, the opening switch S5-1 is used for closing the switch S5-2, and the bulb L3-1 normally emits light, so that the unidirectional conductivity of the diode is verified, and the diode is further extended into a diode rectifying circuit of the automobile alternating-current generator; (7) when the light outside the automobile is intensified or darkened, the resistance value of the photoresistor R4 is changed, the relay Z connected with the photoresistor is electrified, the large bulb L4-1 is automatically turned on or off, if the relay Z is changed into a five-pin relay, the circuit is converted into an automatic switching function of the far light and the near light of the headlamp, and the automatic light changing principle of the headlamp of the automobile is verified through the inductance phenomenon and the action of the photoresistor.
The utility model discloses a this teaching model can be along with the continuous upgrading update needs of study content and knowledge point, carry out continuous upgrading through the method of changing electronic component and change circuit connection to adapt to the needs of new teaching content and method, reach effect with advancing, the teaching of the teacher of being convenient for very much in the aspect of automobile teaching and student's real standard, and real effect of instructing is obvious, practicality and interest combine together, the student operation of being convenient for, real standard of teaching is with low costs, can repetitious usage.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. real teaching show board of instructing of car electrician electron, its characterized in that, including bracket (1), supporting screw (2), binding post (3), power E, fuse F, wiring board (4) and mounting hole (5), bracket (1) bottom corner position installs the support through supporting screw (2), mounting hole (5) are run through and are seted up on bracket (1), and a plurality of group's switch inlays in mounting hole (5), the screw has been seted up to wiring board (4) both sides, and wiring board (4) are installed in bracket (1) upper end through screw cooperation screw, wherein, wiring board (4) set up side by side, and mounting hole (5) are a style of calligraphy transverse arrangement, and binding post (3) distribute on wiring board (4), and fuse F connects between binding post (3), and power E is external through connecting wire, be provided with series circuit on bracket (1), The device comprises a parallel circuit, a capacitance test circuit, a variable resistance circuit, a triode switch verification circuit, a unidirectional conductivity verification circuit mounting hole (5) of a diode and an inductance phenomenon and photoresistance action verification circuit.
2. The automobile electrician electronic practical training teaching display board as claimed in claim 1, wherein the series circuit comprises a switch S1, a bulb a1 and a bulb a2, a negative electrode of a power supply E is connected in series with the bulb a2, the bulb a1, the switch S1 and a fuse F in sequence, and the other end of the fuse F is connected with a positive electrode of the power supply E.
3. The automobile electrician electronic practical training teaching display board as claimed in claim 1, wherein the parallel circuit comprises a switch S1-1, a switch S1-2, a switch S1-3, a bulb B1 and a bulb B2, a positive electrode of a power supply E is connected with one end of a fuse F, the other end of the fuse F is connected with a switch S1-1, the other end of the switch S1-1 is connected with one end of a switch S1-2 and one end of a switch S1-3, the other end of the switch S1-2 is connected with the bulb B1, the other end of the bulb B1 is connected with a negative electrode of the power supply E after being connected with the bulb B2, and the other end of the switch S1-3 is connected with the bulb B2 in series.
4. The automobile electrician electronic practical training teaching display board as claimed in claim 1, wherein the capacitance test circuit comprises a capacitor C, a switch S2-1, a switch S2-2 and a bulb L1, wherein a positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S2-1, the other end of the switch S2-1 is connected with the switch S2-2 and one end of the bulb L1, the other end of the switch S2-2 is connected with the capacitor C, and the other end of the bulb L1 is connected with a negative electrode of the power supply E after being connected with the capacitor C.
5. The automobile electrician electronic practical training teaching display board as claimed in claim 1, wherein the variable resistance circuit comprises a switch S3-1, a bulb L1-1 and a variable resistor R1, a positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S3-1, the other end of the switch S3-1 is connected with one end of the bulb L1-1 and one end of the variable resistor R1, and the other end of the bulb L1-1 is connected with a negative electrode of the power supply E after being connected with the variable resistor R1.
6. The vehicle electrical and electronic practical training teaching display board according to claim 1, wherein the triode switch verification circuit comprises a switch S4-1, a fixed value resistor R2, a variable resistor R3, a triode NPN and a light bulb L2-1, a positive electrode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with the switch S4-1, the other end of the switch S4-1 is connected with the fixed value resistor R2, the other end of the fixed value resistor R2 is connected with one end of a variable resistor R3 and an NPN triode collector, the other end of the variable resistor R3 is connected with an NPN triode base, an emitter of the triode NPN is connected with the light bulb L2-1, and the other end of the light bulb L2-1 is connected with a negative electrode of the power supply E.
7. The automobile electrical and electronic practical training teaching display board as claimed in claim 1, wherein the one-way conductivity verification circuit of the diode comprises a switch S5-1, a switch S5-2, a diode G1, a diode G2 and a bulb L3-1, the anode of a power supply E is connected with a fuse F, the other end of the fuse F is connected with a bulb L3-1, the other end of the bulb L3-1 is connected with one ends of a switch S5-1 and a switch S5-2, the other end of the switch S5-1 is connected with the cathode of a diode G1, the anode of a diode G1 is connected with the cathode of a diode G2 and then connected with the cathode of the power supply E, and the other end of the switch S5-2 is connected with the anode of a diode G2.
8. The automobile electrical and electronic practical training teaching display board as claimed in claim 1, wherein the inductance phenomenon and photoresistance action verification circuit comprises a switch S6-1, a photoresistor R4, a bulb L4-1, an alternating current power supply U and a relay Z, wherein a positive electrode of the alternating current power supply U is connected with a fuse F and one end of the switch S6-1, the fuse F and the other end of the switch S6-1 are connected with the relay Z, the other end of the relay Z is connected with one end of the bulb L4-1 and one end of the photoresistor R4, the bulb L4-1 is connected with the photoresistor R4 and then connected with the alternating current power supply U, and the relay Z is internally connected with a switch S6-2 and an inductance coil Z1 in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281784.8U CN209765865U (en) | 2019-03-06 | 2019-03-06 | Automobile electrician electronic practical training teaching display board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281784.8U CN209765865U (en) | 2019-03-06 | 2019-03-06 | Automobile electrician electronic practical training teaching display board |
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| Publication Number | Publication Date |
|---|---|
| CN209765865U true CN209765865U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920281784.8U Active CN209765865U (en) | 2019-03-06 | 2019-03-06 | Automobile electrician electronic practical training teaching display board |
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| Country | Link |
|---|---|
| CN (1) | CN209765865U (en) |
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2019
- 2019-03-06 CN CN201920281784.8U patent/CN209765865U/en active Active
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