CN213275915U - Join in marriage and become terminal connecting wire automatic checkout device - Google Patents
Join in marriage and become terminal connecting wire automatic checkout device Download PDFInfo
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- CN213275915U CN213275915U CN202021915074.5U CN202021915074U CN213275915U CN 213275915 U CN213275915 U CN 213275915U CN 202021915074 U CN202021915074 U CN 202021915074U CN 213275915 U CN213275915 U CN 213275915U
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Abstract
The utility model provides a join in marriage and become terminal connecting wire automatic checkout device, the row's of inserting device includes that input inserts row, output inserts row, and input inserts row, output insert and correspond respectively on row and set up a plurality of wiring holes, connect the tested connecting wire between the corresponding wiring hole of input inserts row, output insert row; the display device comprises a display panel, and a power switch, a stop button, a start button, a red indicator light bank and a green indicator light bank which are arranged on the display panel; the logic test circuit comprises a front-end logic circuit and a rear-end logic circuit, wherein each wiring hole of the input-end power strip is connected with the output end of the front-end logic circuit, and each wiring hole of the output-end power strip is connected with the input end of the rear-end logic circuit. The utility model discloses can satisfy join in marriage and become terminal 30P weak current pencil, 4P forceful electric power pencil automated inspection to judge whether short circuit, open a way, dislocation etc. of connecting the pencil. Automatic testing is realized, the production efficiency and the testing accuracy are improved, and the manufacturing and management cost of products is reduced.
Description
Technical Field
The utility model relates to an electronic test technical field specifically is a join in marriage and become terminal connecting wire automatic checkout device.
Background
The intelligent distribution transformer terminal is secondary equipment integrating functions of equipment operation state monitoring, power utilization information acquisition, intelligent control, communication and the like, meets requirements of basic operation information monitoring and analysis, power quality monitoring, distribution area demand side management, low-voltage distribution network operation and maintenance management and control, information model standardization, master station terminal cooperative control and the like, and is a key link for realizing intellectualization of a low-voltage distribution network. The intelligent distribution transformer terminal is used as a core, panoramic digital acquisition of information such as distribution substation equipment and environment is realized, and functions such as distribution transformer monitoring, reactive compensation control, residual current operated protector (leakage protection switch) monitoring, power consumption information monitoring, three-phase imbalance management, transformer state monitoring and the like are realized through on-site edge processing calculation.
The intelligent distribution transformer terminal supplies power or transmits and collects signals through the wire harnesses, if the wire harnesses have the problems of short circuit, open circuit, dislocation and the like, the intelligent distribution transformer terminal cannot normally work, and the problem troubleshooting workload for the wire harnesses is large, time-consuming and labor-consuming. Therefore, it is desirable to provide an automatic detection device for a distribution terminal connection line to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a join in marriage and become terminal connecting wire automatic checkout device, solve the problem investigation work load of intelligence join in marriage and become terminal pencil big, the problem that wastes time and energy, can satisfy join in marriage and become terminal 30P weak current pencil, 4P forceful electric power pencil automated inspection to judge whether the connecting wire pencil short circuit, open a way, dislocation etc..
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: the utility model provides a join in marriage and become terminal connecting wire automatic checkout device, is used for connecting the row's of inserting device, the display device and the logic test circuit that are used for showing the test condition of being detected the connecting wire, wherein:
the power strip device comprises an input end power strip and an output end power strip, wherein a plurality of wiring holes are correspondingly formed in the input end power strip and the output end power strip respectively, and a tested connecting wire is connected between the corresponding wiring holes of the input end power strip and the output end power strip;
the display device comprises a display panel, and a power switch, a stop button, a start button, a red indicator light bank and a green indicator light bank which are arranged on the display panel;
the logic test circuit comprises a front-end logic circuit and a rear-end logic circuit, wherein each wiring hole of the input side socket is connected with the output end of the front-end logic circuit, and each wiring hole of the output side socket is connected with the input end of the rear-end logic circuit.
Preferably, the input end of the front-end logic circuit is connected with a single-chip processor, and the single-chip processor is connected with a stop button and a start button.
Preferably, the front-end logic circuit comprises a first photoelectric coupling chip and a relay, the input power end of the first photoelectric coupling chip is connected with a 3.3V power supply, and the first output end of the first photoelectric coupling chip is connected with a 24V power supply; the signal input end of the first photoelectric coupling chip is connected with the single-chip processor; the second output end of the first photoelectric coupling chip is connected with one end of a relay coil, and the other end of the relay coil is grounded; one end of a controlled contact of the relay is connected with a 24V power supply, and the other end of the controlled contact is connected with a wiring hole of the input end socket.
Preferably, the rear end logic circuit comprises a second photoelectric coupling chip, an input power end of the second photoelectric coupling chip is connected with a wiring hole of the output power strip through a resistor, a signal input end of the second photoelectric coupling chip is grounded, a first output end of the second photoelectric coupling chip is connected with a 3.3V power supply through a resistor, and a second output end of the second photoelectric coupling chip is grounded.
Preferably, the first output end of the second photoelectric coupling chip is further connected to the anode of a red light emitting diode, the cathode of the red light emitting diode is grounded, and the red light emitting diode is arranged on the red indicator light bank.
Preferably, the wiring hole of the output terminal power strip is further connected with the anode of a green light emitting diode through a line, the cathode of the green light emitting diode is grounded, and the green light emitting diode is arranged on the green indicator light strip.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
the utility model discloses can satisfy join in marriage and become terminal 30P weak current pencil, 4P forceful electric power pencil automated inspection to judge whether short circuit, open a way, dislocation etc. of connecting the pencil. The automatic test of the wire harness is realized, the production efficiency is improved, the test accuracy is high, and the manufacturing cost and the management cost of the product are reduced.
Drawings
Fig. 1 is a schematic structural view of a power strip device of an automatic detection device for a distribution transformer terminal connection line of the present invention;
fig. 2 is a schematic structural view of a display device of the automatic detection device for the connection line of the distribution transformer terminal of the present invention;
fig. 3 is a schematic circuit block diagram of the automatic detection device for the distribution transformer terminal connection line of the present invention;
fig. 4 is a schematic diagram of the front-end logic circuit of the automatic detection device for the distribution transformer terminal connection line of the present invention;
fig. 5 is a schematic diagram of the power strip inserting device of the automatic detection device for the distribution transformer terminal connecting wire of the utility model;
fig. 6 is a schematic diagram of a rear-end logic circuit of the automatic detection device for the distribution transformer terminal connection line of the present invention;
fig. 7 is the utility model discloses a join in marriage and become terminal connecting wire automatic checkout device power supply circuit schematic diagram.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3, an automatic detection device for a distribution and transformation terminal connecting line comprises an extension socket device for connecting a detected connecting line, a display device for displaying a test condition and a logic test circuit, wherein:
the socket device comprises an input socket 1 and an output socket 2, wherein a plurality of wiring holes are correspondingly formed in the input socket 1 and the output socket 2 respectively, and a tested connecting wire 3 is connected between the corresponding wiring holes of the input socket 1 and the output socket 2;
the display device comprises a display panel 4, and a power switch 5, a stop button 6, a start button 7, a red indicator light bank 8 and a green indicator light bank 9 which are arranged on the display panel 4;
the logic test circuit comprises a front-end logic circuit and a rear-end logic circuit, wherein each wiring hole of the input-end power strip 1 is connected with the output end of the front-end logic circuit, and each wiring hole of the output-end power strip 2 is connected with the input end of the rear-end logic circuit. The input end of the front-end logic circuit is connected with the single-chip processor, and the single-chip processor is connected with the stop button 6 and the start button 7.
As shown in fig. 4, the front-end logic circuit includes a first photoelectric coupling chip and a relay, the input power end of the first photoelectric coupling chip is connected to a 3.3V power supply, and the first output end of the first photoelectric coupling chip is connected to a 24V power supply; the signal input end of the first photoelectric coupling chip is connected with the single-chip processor; the second output end of the first photoelectric coupling chip is connected with one end of a relay coil, and the other end of the relay coil is grounded; one end of a controlled contact of the relay is connected with a 24V power supply, and the other end of the controlled contact is connected with a wiring hole of the input terminal socket 1. In this embodiment, the model of the first photoelectric coupling chip is EL452-G, the model of the relay is DS2E-M-DC24V, only two sets of front-end logic circuits are shown in the figure, and actually, multiple sets of circuits can be designed according to the requirement of the tested connection line, that is, if there are N tested connection lines, there are N front-end logic circuits.
As shown in fig. 6, the rear-end logic circuit includes a second photoelectric coupling chip, an input power end of the second photoelectric coupling chip is connected to the wiring hole of the output power strip 2 through a resistor, a signal input end of the second photoelectric coupling chip is grounded, a first output end of the second photoelectric coupling chip is connected to the 3.3V power supply through a resistor, and a second output end of the second photoelectric coupling chip is grounded. In this embodiment, the model of the second photocoupler chip is EL357N-G, only two sets of back-end logic circuits are shown in the figure, and actually, multiple sets of circuits can be designed according to the requirement of the tested connection line, that is, there are N tested connection lines, and there are N back-end logic circuits.
In addition, the first output end of the second photoelectric coupling chip is also connected with the anode of a red light emitting diode, the cathode of the red light emitting diode is grounded, and the red light emitting diode is arranged on the red indicator light bank 8. The wiring hole of the output terminal power strip 2 is also connected with the anode of the green light emitting diode through a line, the cathode of the green light emitting diode is grounded, and the green light emitting diode is arranged on the green indicating lamp strip 9.
As can be seen from fig. 4, 5 and 6, the output terminals JI01, JI02 of the front-end logic circuit shown in fig. 4 are connected to pins 1 and 2 of the input socket 1 shown in fig. 5, respectively (if there are more front-end logic circuits, the output terminals JI01 and JI02 are connected to the other pins of the socket in increasing order), then the tested connection lines are connected between the input socket 1 and the output socket 2, respectively, and finally the pins 1 and 2 (corresponding to JO01 and JO02) of the output socket 2 are connected to the input terminals of the back-end logic circuit shown in fig. 6. When the start button 7 is pressed, the single chip microcomputer processor inputs low levels to the signal input ends LO01 and LO02 of the first photoelectric coupling chip (EL452-G) of the front-end logic circuit shown in FIG. 4 in sequence, the input end of the first photoelectric coupling chip is electrified and conducted, the output end of the first photoelectric coupling chip is conducted by induction due to the work of an internal light emitting diode, therefore, the second output ends (LK01 and LK02) of the first photoelectric coupling chip are conducted with the first output end of the first photoelectric coupling chip, 24V voltage is transmitted to a relay coil on the second output ends (LK01 and LK02), the relay is electrified and operated, the pins 4, 8 and 13 and 9 of the relay are connected, and the 24V voltage is transmitted to the pins 1 and 2 of the input socket 1. If the tested circuit is normal, pins 1 and 2 of the output terminal socket 2 also have 24V voltage, because the wiring hole of the output terminal socket 2 is also connected with the anode of the green light-emitting diode through the circuit, the green light-emitting diode is lighted at the moment. Meanwhile, the 24V voltage on the pins 1 and 2 of the output plug row 2 is also transmitted to the input power terminal of the second photoelectric coupling chip (EL357N-G), so that the input terminal of the second photoelectric coupling chip (EL357N-G) is electrically connected, and further the output terminal of the second photoelectric coupling chip (EL357N-G) is electrically connected by induction, the first output terminal (i.e., LI01 in the figure) of the second photoelectric coupling chip in fig. 6 is connected to the anode of the red light emitting diode, and at this time, the output terminal of the second photoelectric coupling chip (EL357N-G) is electrically connected, so that the first output terminal of the second photoelectric coupling chip is grounded through the second output terminal, i.e., the anode of the red light emitting diode is grounded, and at this time, the red light emitting diode is not lit. To sum up, under the test connecting wire normal condition, the green pilot lamp that the test connecting wire corresponds is bright, and red pilot lamp goes out.
If the test connecting line is broken, after the start button is pressed, the 24V voltage on the input socket 1 will not be transmitted to the output socket 2 through the connecting line, so the green indicating lamp is turned off. Meanwhile, the 24V voltage is not transmitted to the back-end logic circuit, the output end of the second photoelectric coupling chip in fig. 6 is not conducted, the voltage at the first output end (i.e., LI01 in the figure) of the second photoelectric coupling chip is the divided voltage of the resistor and the output end of the second photoelectric coupling chip, because the resistance at the output end of the second photoelectric coupling chip is very large, the voltage at the first output end (i.e., LI01 in the figure) of the second photoelectric coupling chip is basically about 3V, and the first output end (i.e., LI01 in the figure) of the second photoelectric coupling chip is connected to the anode of the red light emitting diode, so that the red light emitting diode is on at this time. To sum up, under the condition of testing the connecting line and breaking, the red indicator light corresponding to the testing connecting line is on, and the green indicator light is off.
If the pencil dislocation between row is inserted to the input 1, the row is inserted to the output 2, when pressing the start test button, the pencil that inserts between row 1, the row 2 is inserted to the input according to above-mentioned principle is circular telegram in proper order, consequently green pilot lamp lights in proper order, and every connecting wire all with corresponding green pilot lamp one-to-one, if the dislocation, then the pilot lamp will not light in proper order. For example, 8 tested wires are respectively 1-8 in number, the wire hole numbers on the input terminal row 1 and the output terminal row 2 are also 1-8, the wire harness numbers are also 1-8, meanwhile, the numbers of the corresponding green indicating lamps are also 1-8, if the wire harness is normal, the green indicating lamps are sequentially turned on, if one end of the connecting wire with the number 1 is connected with the pin 1 of the input terminal row 1, and if the other end of the connecting wire with the number 1 is connected with the pin 5 of the output terminal row 2 due to the wire harness dislocation, the first green lamp is turned on for the number 1, but the first green lamp is turned on for the number 5 due to the wire harness dislocation, so that the wire harness dislocation can be judged.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a join in marriage and become terminal connecting wire automatic checkout device which characterized in that, is used for connecting the row's of inserting device, the display device and the logic test circuit that are used for showing the test condition of being detected the connecting wire, wherein:
the power strip device comprises an input end power strip (1) and an output end power strip (2), wherein a plurality of wiring holes are respectively and correspondingly arranged on the input end power strip (1) and the output end power strip (2), and a tested connecting wire (3) is connected between the corresponding wiring holes of the input end power strip (1) and the output end power strip (2);
the display device comprises a display panel (4), and a power switch (5), a stop button (6), a start button (7), a red indicator light bank (8) and a green indicator light bank (9) which are arranged on the display panel (4);
the logic test circuit comprises a front-end logic circuit and a rear-end logic circuit, wherein each wiring hole of the input side socket (1) is connected with the output end of the front-end logic circuit, and each wiring hole of the output side socket (2) is connected with the input end of the rear-end logic circuit.
2. The automatic detection device for the connecting wire of the distribution transformer terminal according to claim 1, wherein the input end of the front-end logic circuit is connected with a single chip processor, and the single chip processor is connected with a stop button (6) and a start button (7).
3. The automatic detection device for the connecting wire of the distribution transformer terminal of claim 2, wherein the front-end logic circuit comprises a first photoelectric coupling chip and a relay, the input power end of the first photoelectric coupling chip is connected with a 3.3V power supply, and the first output end of the first photoelectric coupling chip is connected with a 24V power supply; the signal input end of the first photoelectric coupling chip is connected with the single-chip processor; the second output end of the first photoelectric coupling chip is connected with one end of a relay coil, and the other end of the relay coil is grounded; one end of a controlled contact of the relay is connected with a 24V power supply, and the other end of the controlled contact is connected with a wiring hole of the input end socket (1).
4. The automatic detection device for the connecting wire of the distribution transformer terminal according to claim 1, wherein the rear end logic circuit comprises a second photoelectric coupling chip, an input power end of the second photoelectric coupling chip is connected with a wiring hole of the output terminal power strip (2) through a resistor, a signal input end of the second photoelectric coupling chip is grounded, a first output end of the second photoelectric coupling chip is connected with a 3.3V power supply through a resistor, and a second output end of the second photoelectric coupling chip is grounded.
5. The automatic detection device for the connecting wire of the distribution transformer terminal according to claim 4, wherein the first output end of the second photoelectric coupling chip is further connected with the anode of a red light emitting diode, the cathode of the red light emitting diode is grounded, and the red light emitting diode is arranged on a red indicator light bank (8).
6. The automatic detection device for the distribution transformer terminal connecting wire according to claim 4, characterized in that the connecting hole of the output terminal row (2) is also connected with the anode of a green light emitting diode through a line, the cathode of the green light emitting diode is grounded, and the green light emitting diode is arranged on a green indicator light row (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915074.5U CN213275915U (en) | 2020-09-04 | 2020-09-04 | Join in marriage and become terminal connecting wire automatic checkout device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915074.5U CN213275915U (en) | 2020-09-04 | 2020-09-04 | Join in marriage and become terminal connecting wire automatic checkout device |
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| Publication Number | Publication Date |
|---|---|
| CN213275915U true CN213275915U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021915074.5U Active CN213275915U (en) | 2020-09-04 | 2020-09-04 | Join in marriage and become terminal connecting wire automatic checkout device |
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| CN (1) | CN213275915U (en) |
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- 2020-09-04 CN CN202021915074.5U patent/CN213275915U/en active Active
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