CN210863958U - Voice broadcast socket tester based on LCD display - Google Patents
Voice broadcast socket tester based on LCD display Download PDFInfo
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- CN210863958U CN210863958U CN201921721823.8U CN201921721823U CN210863958U CN 210863958 U CN210863958 U CN 210863958U CN 201921721823 U CN201921721823 U CN 201921721823U CN 210863958 U CN210863958 U CN 210863958U
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Abstract
The utility model discloses a voice broadcast socket tester based on LCD shows, including the socket tester body, the socket tester body includes that casing, casing positive center department are equipped with the triangle plug at display screen, the casing back and locate the circuit board in the casing, the casing side is equipped with loudspeaker, including measuring circuit, audio drive circuit, singlechip and display circuit on the circuit board, the triangle plug is connected with the measuring circuit of circuit board, the display screen is connected with the display circuit of circuit board, loudspeaker are connected with the audio drive circuit of circuit board, the casing openly is equipped with RCD test switch. The utility model belongs to the technical field of the circuit measurement, specifically indicate that can accurate judgement zero line and ground wire connect the circuit problem of turning over, can detect the condition of socket line wiring to through the voice and the LCD show report and show the voice broadcast socket tester based on the LCD demonstration of the concrete problem of circuit wiring.
Description
Technical Field
The utility model belongs to the technical field of the circuit measurement, specifically indicate a voice broadcast socket tester based on LCD shows.
Background
At present, the existing socket tester cannot judge the condition that the zero line and the ground wire of the socket are connected in a wrong way, so that some accidents are caused; in addition, the existing socket tester uses an LED lamp (red and green) for indication, and then a comparison table on a specification is compared according to the condition of the LED indicator lamp, so that the problem of the test result can be known, and the problem is easily caused by misjudgment due to the troublesome test operation; in addition, because the LED lamp is used for indicating, the situation that the judgment cannot be carried out can occur under the sunlight or the poor eyesight.
Disclosure of Invention
For solving the above-mentioned current difficult problem, the utility model provides a can detect socket circuit wiring problem, can accurately distinguish the opposite condition of socket zero line and ground wire wiring moreover to report respectively through voice broadcast and LCD display screen and show the voice broadcast socket tester based on LCD demonstration of the concrete problem of circuit wiring.
The utility model adopts the following technical scheme: the utility model discloses a voice broadcast socket tester based on LCD display, including socket tester body, socket tester body includes casing, casing front center department and is equipped with display screen, the triangle plug of casing back and locates the circuit board in the casing, the casing side is equipped with loudspeaker, include measuring circuit, audio drive circuit, singlechip and display circuit on the circuit board, triangle plug is connected with the measuring circuit of circuit board, the display screen is connected with the display circuit of circuit board, loudspeaker is connected with the audio drive circuit of circuit board, and triangle plug is used for connecting the socket of the power of awaiting measuring and transmits the measurement result of the voltage of the power socket of awaiting measuring to the singlechip through measuring of measuring circuit, and the singlechip transmits the measurement result to display circuit and audio drive circuit and show through the display screen, the casing openly is equipped with RCD test switch, the RCD test switch is arranged below the display screen, 30mA low current is simulated inside the RCD test switch, whether the test switch acts or not is judged, and whether the zero line and the ground wire are reversely connected or not is judged through an internal circuit.
Furthermore, the measuring circuit comprises a line wiring mode identification circuit, a voltage measuring circuit and a zero line and ground line distinguishing circuit, wherein the input ends of the line wiring mode identification circuit and the zero line and ground line distinguishing circuit are connected with a triangular plug, the output ends of the line wiring mode identification circuit and the zero line and ground line distinguishing circuit are connected with the voltage measuring circuit, the line wiring mode identifies the wiring mode for automatically identifying the line, the zero line and ground line distinguishing circuit is used for measuring the problem that whether the zero line and the ground line are reversely connected or not, so that the detection of the reverse connection state of the zero line and the ground line is realized, and the power supply voltage is output to the voltage measuring circuit; the input end of the voltage measuring circuit is connected with the triangular plug, the output end of the voltage measuring circuit is connected with the single chip microcomputer, the voltage measuring circuit is used for measuring the voltage of the power socket to be tested according to the input of the triangular plug, identifying a circuit wiring mode and a zero line and ground wire distinguishing circuit to transmit and feed back wiring problems, and the test results are fed back to the single chip microcomputer and displayed through the display screen and the loudspeaker.
Further, the triangular plug comprises a live pin L, a neutral pin N and a ground pin E.
The audio amplifier comprises a live wire input end L, a zero line input end N, a ground wire input end E, a resistor R, a diode D, a light emitting diode LED, a switch S and a fuse F, wherein the zero line pin N is connected with the cathode of the light emitting diode LED, the anode of the light emitting diode LED is connected with the cathode of the diode D, the anode of the diode D is connected with the resistor R, the ground pin E is connected with the other end of the resistor R and is simultaneously connected with the anode of the light emitting diode LED, the cathode of the light emitting diode LED is connected with the resistor R, the anode of the diode D is connected with the other end of the resistor R, the cathode of the diode D is connected with the cathode of the diode D, the diode D is connected with the resistor R6, the cathode of the diode D is connected with the resistor R, the cathode of the diode D, the diode D is connected with the cathode of the diode D, the resistor R is connected with the resistor R, the cathode of the resistor R, the resistor D, the cathode of the diode D is connected with the resistor R, the resistor D, the resistor R is connected with the resistor R, the cathode of the resistor R, the resistor R is connected with the resistor R, the resistor D, the resistor R, the resistor D, the cathode of the resistor D, the resistor D is connected with the cathode of the resistor R, the resistor D, the cathode of the resistor D, the loudspeaker, the.
Furthermore, the display screen is an LCD display screen which displays clearly and is convenient to view.
Furthermore, the single chip microcomputer is internally provided with software for data processing and analysis of the whole circuit.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the utility model discloses voice broadcast socket tester based on LCD shows has adopted the LCD display mode, shows that the socket circuit wiring of being surveyed is correct or wrong to and the magnitude of voltage of current circuit; specific problems with wiring are shown, for example: open ground/zero fire reverse/fire ground reverse/zero ground reverse, etc.; the condition of the tested socket circuit can be broadcasted in a voice mode; the test method can test whether the zero line and the ground wire are reversely connected, and solves the problem that civil and engineering tests cannot distinguish whether the zero line and the ground wire are reversely connected through voice broadcasting and LCD display.
Drawings
Fig. 1 is a schematic front structure view of the voice broadcast socket tester based on LCD display of the present invention;
fig. 2 is a back structure schematic diagram of the voice broadcast socket tester based on LCD display of the present invention;
fig. 3 is a circuit diagram of the voice broadcast socket tester circuit board based on LCD display of the present invention;
fig. 4 is the utility model discloses voice broadcast socket tester circuit board's functional block diagram based on LCD shows.
The socket tester comprises a socket tester body 1, a socket tester body 2, a shell 3, a display screen 4, a triangular plug 5, a measuring circuit 6, an audio driving circuit 7, a single chip microcomputer 8, a display circuit 9 and an RCD test switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model relates to a voice broadcast socket tester based on LCD shows, including socket tester body 1, socket tester body 1 includes casing 2, 2 positive center departments of casing are equipped with the triangular plug 4 at the display screen 3, the 2 backs of casing and locates the circuit board in casing 2, 2 sides of casing are equipped with loudspeaker, including measuring circuit 5, audio drive circuit 6, singlechip 7 and display circuit 8 on the circuit board, triangular plug 4 is connected with the measuring circuit 5 of circuit board, display screen 3 is connected with the display circuit 8 of circuit board, loudspeaker are connected with the audio drive circuit 6 of circuit board, and triangular plug 4 is used for connecting the socket of the power that awaits measuring and transmits the measuring result of the voltage of the power socket that awaits measuring for singlechip 7 through measuring circuit 5, and singlechip 7 transmits the measuring result for display circuit 8 and audio drive circuit 6 and show through display screen 3 that the measuring result transmits for display circuit 8 and audio drive circuit 6 and show that the circuit is through display screen 3 And (3) outputting, wherein the front surface of the shell 2 is provided with an RCD test switch 9, the RCD test switch 9 is arranged below the display screen 3, 30mA low current is simulated in the RCD test switch 9, and whether the test switch acts or not is tested.
The measuring circuit 5 comprises a line wiring mode identification circuit, a voltage measuring circuit and a zero line and ground line distinguishing circuit, wherein the input ends of the line wiring mode identification circuit and the zero line and ground line distinguishing circuit are connected with the triangular plug 4, the output ends of the line wiring mode identification circuit and the zero line and ground line distinguishing circuit are connected with the voltage measuring circuit, the line wiring mode identifies the wiring mode for automatically identifying the line, and the zero line and ground line distinguishing circuit is used for measuring the problem that whether the zero line and the ground line are reversely connected or not and outputting power supply voltage to the voltage measuring circuit; the input end of the voltage measuring circuit is connected with the triangular plug, the output end of the voltage measuring circuit is connected with the single chip microcomputer 7, and the voltage measuring circuit is used for measuring the voltage of the power socket to be tested according to the input of the triangular plug, identifying a circuit wiring mode and a zero line and ground wire distinguishing circuit to transmit and feed back wiring problems, feeding back a test result to the single chip microcomputer 7 and displaying the test result through the display screen 3 and the loudspeaker. The triangular plug 4 comprises a live pin L, a neutral pin N and a ground pin E. The measuring circuit 5 further comprises a live input L, a neutral input N, a ground input E, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6 4, a resistor R4, a diode D4, a light emitting diode LED4, a switch S4 and a fuse F4, the neutral pin N is connected to a cathode of the light emitting diode LED4, an anode of the light emitting diode LED4 is connected to a cathode of the diode D4, an anode of the diode D4 is connected to the resistor R4, the ground pin E is connected to the other end of the resistor R4 and is connected to an anode of the light emitting diode LED4, the cathode of the light emitting diode LED4 is connected to the resistor R4, the other end of the resistor D4 is connected to the resistor R4, the anode of the diode D3 is connected to the cathode of the diode D2, the cathode of the diode D3 is connected to the resistor R6A, the anode of the LED3 is connected to the resistor R6A, the cathode of the LED3 is connected to the cathode of the LED1, the resistor R20, the resistor R21, the resistor R22 and the resistor R23 are connected in series to combine with the resistor R1, the resistor R2, the resistor R3 and the resistor R24 to form a parallel loop, the live pin L is connected to the fuse F1 and the switch S1 to one end of the parallel loop, the other end of the parallel loop is connected to the cathode of the LED4, the resistor R4 is connected to the anode of the LED4, the cathode of the diode D4 is connected to the other end of the R4, the anode of the diode D4 is connected to one end of the parallel loop, the fuse F4 is further connected to the anode of the diode D4 and the cathode of the diode D365, and the single chip microcomputer 7, the audio driving circuit 6 is connected with the single chip microcomputer 7, and the display circuit 8 is connected with the single chip microcomputer 7. The display screen 3 is an LCD display screen. The singlechip 7 is internally provided with software.
When the socket is in wrong wiring, the display screen 3 displays the actual value of the current power socket in the first line from top to bottom, such as 220V, △ in the second line and △ in the third line, and gives out a sound of 'reverse zero ground' through a loudspeaker, and the reasons of wrong wiring of the socket also comprise that the socket lacks a ground wire, the lacks a zero line, the firing line is connected with the zero line, the reverse zero ground wire and the reverse firing line are connected with the firing line, the sound of 'reverse zero ground' is given out through the loudspeaker, and the reasons of wrong wiring of the socket also comprise that the ground wire lacks a zero line, the firing line is connected with the reverse ground line, the firing line is connected with the zero line, the firing line is connected with the reverse ground line, the firing line and the reverse ground line, the firing line is connected with the reverse ground line, the firing line and the firing line is connected with the reverse ground line, the firing line is connected with the firing line, the firing line is connected with the reverse ground wire, the firing line, the firing.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a voice broadcast socket tester based on LCD shows which characterized in that: the socket tester comprises a socket tester body, wherein the socket tester body comprises a shell, a shell front center, three holes and a circuit board, the three holes are arranged on the shell back, the circuit board is arranged in the shell, a loudspeaker is arranged on the side edge of the shell, the circuit board comprises a measuring circuit, an audio driving circuit, a single chip microcomputer and a display circuit, the three holes are connected with the measuring circuit of the circuit board, the display screen is connected with the display circuit of the circuit board, the loudspeaker is connected with the audio driving circuit of the circuit board, the three holes are used for connecting a socket of a power supply to be tested and transmitting the measuring result of the voltage of the power socket to be tested to the single chip microcomputer through the measurement of the measuring circuit, the single chip microcomputer transmits the measuring result to the display circuit and the audio driving circuit and displays the measuring result through the display screen, the shell front is provided with an, the RCD test switch internally simulates 30mA low current, tests whether the switch acts or not, and judges whether the zero line and the ground wire are reversely connected or not through an internal circuit.
2. The voice broadcast socket tester based on the LCD display of claim 1, which is characterized in that: the measuring circuit comprises a line wiring mode identification circuit, a voltage measuring circuit and a zero line and ground wire distinguishing circuit, wherein the input ends of the line wiring mode identification circuit and the zero line and ground wire distinguishing circuit are connected with a triangular plug, the output ends of the line wiring mode identification circuit and the zero line and ground wire distinguishing circuit are connected with the voltage measuring circuit, the line wiring mode identifies the wiring mode for automatically identifying the line, the zero line and ground wire distinguishing circuit is used for measuring the problem that whether the zero line and the ground wire are reversely connected or not, the detection of the reverse connection state of the zero line and the ground wire is realized, and the power supply voltage is output to the voltage measuring circuit; the input end of the voltage measuring circuit is connected with the triangular plug, the output end of the voltage measuring circuit is connected with the single chip microcomputer, the voltage measuring circuit is used for measuring the voltage of the power socket to be tested according to the input of the triangular plug, identifying a circuit wiring mode and a zero line and ground wire distinguishing circuit to transmit and feed back wiring problems, and the test results are fed back to the single chip microcomputer and displayed through the display screen and the loudspeaker.
3. The voice broadcast socket tester based on the LCD display of claim 1, which is characterized in that: the three hole pins include a live pin L, a neutral pin N and a ground pin E.
4. The voice broadcast socket tester based on the LCD display of claim 1, which is characterized in that: the measuring circuit comprises a live input end L, a zero line input end N, a ground input end E, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R6 4, a resistor R4, a diode D4, a light emitting diode LED4, a switch S4 and a fuse F4, wherein the zero line pin N is connected with a cathode of the light emitting diode LED4, an anode of the light emitting diode LED4 is connected with a cathode of the diode D4, an anode of the diode D4 is connected with the resistor R4, the ground pin E is connected with the other end of the resistor R4 and is connected with an anode of the light emitting diode LED4, a cathode of the light emitting diode LED4 is connected with an anode of the resistor D4, and the other end of the resistor D4 is connected with the resistor R4, the anode of the diode D3 is connected with the cathode of the diode D2, the cathode of the diode D3 is connected with the resistor R6A, the anode of the diode LED3 is connected with the resistor R6A, the cathode of the diode LED3 is connected with the cathode of the diode LED1, the resistor R20, the resistor R21, the resistor R22 and the resistor R23 are connected in series and combined with the resistor R1, the resistor R2, the resistor R3 and the resistor R24 to form a parallel loop, the live pin L is connected with the fuse F1 and the switch S1 and connected with one end of the parallel loop, the other end of the parallel loop is connected with the cathode of the diode LED4, the resistor R4 is connected with the anode of the diode LED4, the cathode of the diode D4 is connected with the other end of the R4, the anode of the diode D4 is connected with one end of the parallel loop, the fuse F1 is also connected with the anode of the diode D3 and the cathode of the diode D2, and the single chip microcomputer is connected with, the audio driving circuit is connected with the single chip microcomputer, and the display circuit is connected with the single chip microcomputer.
5. The voice broadcast socket tester based on the LCD display of claim 1, which is characterized in that: the display screen is an LCD display screen.
6. The voice broadcast socket tester based on the LCD display of claim 1, which is characterized in that: the single chip microcomputer is internally provided with software.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721823.8U CN210863958U (en) | 2019-10-15 | 2019-10-15 | Voice broadcast socket tester based on LCD display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721823.8U CN210863958U (en) | 2019-10-15 | 2019-10-15 | Voice broadcast socket tester based on LCD display |
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| Publication Number | Publication Date |
|---|---|
| CN210863958U true CN210863958U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721823.8U Active CN210863958U (en) | 2019-10-15 | 2019-10-15 | Voice broadcast socket tester based on LCD display |
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| CN (1) | CN210863958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666501A (en) * | 2020-12-31 | 2021-04-16 | 惠州市福仪电子科技有限公司 | Socket tester and using method thereof |
-
2019
- 2019-10-15 CN CN201921721823.8U patent/CN210863958U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666501A (en) * | 2020-12-31 | 2021-04-16 | 惠州市福仪电子科技有限公司 | Socket tester and using method thereof |
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