CN214201728U - Multi-line beam synchronous detector - Google Patents
Multi-line beam synchronous detector Download PDFInfo
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- CN214201728U CN214201728U CN202023106940.9U CN202023106940U CN214201728U CN 214201728 U CN214201728 U CN 214201728U CN 202023106940 U CN202023106940 U CN 202023106940U CN 214201728 U CN214201728 U CN 214201728U
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- wire harness
- resistor
- switch
- detection circuit
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Abstract
The utility model aims at providing a multi-thread bundle synchronous detector, including AC/DC converter, resistance R1, electric capacity C1, switch K1 and multiunit pencil detection circuitry; the input end of the AC/DC converter is connected with a lighting power supply, and the output end of the AC/DC converter is connected with one end of a resistor R1; the plurality of groups of wire harness detection circuits are connected in series; the positive electrode of the capacitor C1 and the other end of the resistor R1 are both connected with a series circuit formed by a plurality of groups of wiring harness detection circuits, and the negative electrode of the capacitor C1 is grounded. The utility model has the characteristics of simple science, the detection speed is fast, the accuracy is high of structural design.
Description
Technical Field
The utility model relates to a pencil check out test set field, concretely relates to multi-thread bundle synchronous detector.
Background
Audio harnesses are used in connection with audio equipment, and connectors for transmitting audio signals are also widely used in car audio equipment. The important step of the delivery detection of the audio wire harness is to detect the conduction performance of the audio wire harness and detect whether the audio wire harness has a short circuit phenomenon.
Disclosure of Invention
The utility model aims at providing a multi-thread bundle synchronous detector, the device have that structural design is simple scientific, detection speed is fast, characteristics such as accuracy height.
The multi-wire beam synchronous detector comprises an AC/DC converter, a resistor R1, a capacitor C1, a switch K1 and a plurality of groups of wire beam detection circuits;
the input end of the AC/DC converter is connected with a lighting power supply, and the output end of the AC/DC converter is connected with one end of a resistor R1; the plurality of groups of wire harness detection circuits are connected in series; the positive electrode of the capacitor C1 and the other end of the resistor R1 are both connected with a series circuit formed by a plurality of groups of wiring harness detection circuits, and the negative electrode of the capacitor C1 is grounded. The utility model discloses application electric capacity C1's charge-discharge characteristic makes the pulsation direct current voltage after the rectification become more stable direct current voltage.
The wire harness detection circuits of all the groups have the same structure and comprise a wire harness anode A end contact, a wire harness cathode A end contact, a wire harness anode B end contact, a wire harness cathode B end contact, a switch K1, a resistor R3, a green lamp D2 and a switch K2;
the anode of the capacitor C1 and the other end of the resistor R1 are both connected with one end of a switch K1 of the first group of wire harness detection circuits, and the other end of the switch K1 is connected with a wire harness anode A end contact of the first group of wire harness detection circuits; the contact of the A end of the negative pole of the wire harness is grounded;
the terminal contact of the positive pole B of the wiring harness is connected with one end of a resistor R3, the other end of a resistor R3 is connected with the positive pole of a green lamp D2, and the negative pole of the green lamp D2 is connected with the terminal contact of the negative pole B of the wiring harness through a switch K2;
one end of the switch K1 of all the wire harness detection circuits after the second group is connected with the contact of the positive pole B of the wire harness detection circuit before the previous group and one end of the resistor R3 respectively, so as to form series connection.
The wire harness detection circuit further comprises a short circuit detection circuit, the short circuit detection circuit comprises a relay, a resistor R2 and a red light D1, and the relay comprises a relay coil K and a relay normally-closed switch K3;
the positive pole of the relay coil K and one end of the resistor R2 are both connected with the other end of the switch K1, the other end of the resistor R2 is connected with the positive pole of the red light D1, the negative pole of the red light D1 is connected with one end of the relay normally closed switch K3, and the other end of the relay normally closed switch K3 is grounded; and the negative electrode of the relay coil K is grounded.
The wire harness detection circuit is provided with three groups, namely an I # wire harness detection circuit, an II # wire harness detection circuit and an III # wire harness detection circuit.
The working process of the utility model is as follows:
closing a switch K1 of each group of wire harness detection circuit, conducting a relay coil K at the moment, opening a normally closed relay switch K3, opening a red light D1, and closing a wire harness detection circuit switch K2; sequentially connecting the wire harness to be detected to an I # wire harness detection circuit, a II # wire harness detection circuit and a III # wire harness detection circuit;
the A end of the first group of wire harnesses is arranged on a wire harness anode A end contact and a wire harness cathode A end contact of the I # wire harness detection circuit; the wire harness B end of the first group of wire harnesses is arranged at a wire harness positive electrode B end contact and a wire harness negative electrode B end contact of the I # wire harness detection circuit; when the wiring harness is not short-circuited, the red light D1 keeps disconnected and is not bright, and when the wiring harness is normally conducted, the green light D2 is bright, and the detection is qualified. When the wiring harness is in short circuit, the relay coil K does not work, the relay normally-closed switch K3 is closed, and the red light D1 is lightened to indicate that the wiring harness is in short circuit;
when the first group of wire harnesses is qualified, arranging the A ends of the second group of wire harnesses in a wire harness anode A end contact and a wire harness cathode A end contact of a II # wire harness detection circuit; the wire harness B end of the second group of wire harnesses is arranged at a wire harness anode B end contact and a wire harness cathode B end contact of the II # wire harness detection circuit; performing a second set of tests; when the second group of wire harnesses is not short-circuited, the red lamp D1 is kept disconnected and not lighted, and when the wire harnesses are normally conducted, the green lamp D2 is lighted, and the detection is qualified. When the second group of wiring harnesses is short-circuited, the relay coil K does not work, the relay normally-closed switch K3 is closed, and the red light D1 is lightened to indicate that the wiring harnesses are short-circuited;
and after the second group of wire harnesses is detected to be qualified, connecting the third group of wire harnesses to the III # wire harness detection circuit for detection.
The utility model aims at providing a multi-thread bundle synchronous detector, the device have that structural design is simple scientific, low in manufacturing cost, small, detect fast, the accuracy is high, can once detect advantages such as multiunit pencil, have good application prospect.
Drawings
Fig. 1 is a circuit diagram of a multi-line beam synchronous detector according to the present invention;
the names and serial numbers of the parts in the figure are as follows:
1-wiring harness anode A end contact, 2-wiring harness cathode A end contact, 3-wiring harness anode B end contact and 4-wiring harness cathode B end contact.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the multi-wire beam synchronous detector comprises an AC/DC converter, a resistor R1, a capacitor C1, a switch K1 and a plurality of sets of wire beam detection circuits;
the input end of the AC/DC converter is connected with a lighting power supply, and the output end of the AC/DC converter is connected with one end of a resistor R1; the plurality of groups of wire harness detection circuits are connected in series; the positive electrode of the capacitor C1 and the other end of the resistor R1 are both connected with a series circuit formed by a plurality of groups of wiring harness detection circuits, and the negative electrode of the capacitor C1 is grounded.
The wire harness detection circuits of all the groups have the same structure and comprise a wire harness anode A end contact 1, a wire harness cathode A end contact 2, a wire harness anode B end contact 3, a wire harness cathode B end contact 4, a switch K1, a resistor R3, a green lamp D2 and a switch K2;
the anode of the capacitor C1 and the other end of the resistor R1 are both connected with one end of a switch K1 of the first group of wire harness detection circuits, and the other end of the switch K1 is connected with a wire harness anode A end contact 1 of the first group of wire harness detection circuits; the contact 2 at the end A of the wire harness negative electrode is grounded;
the B-end contact 3 of the positive pole of the wiring harness is connected with one end of a resistor R3, the other end of a resistor R3 is connected with the positive pole of a green lamp D2, and the negative pole of the green lamp D2 is connected with the B-end contact 4 of the negative pole of the wiring harness through a switch K2;
one end of the switch K1 of all the wire harness detection circuits after the second group is connected with the contact 3 of the positive pole B of the wire harness detection circuit before the previous group and one end of the resistor R3 respectively, thereby forming a series connection.
The wire harness detection circuit further comprises a short circuit detection circuit, the short circuit detection circuit comprises a relay, a resistor R2 and a red light D1, and the relay comprises a relay coil K and a relay normally-closed switch K3;
the positive pole of the relay coil K and one end of the resistor R2 are both connected with the other end of the switch K1, the other end of the resistor R2 is connected with the positive pole of the red light D1, the negative pole of the red light D1 is connected with one end of the relay normally closed switch K3, and the other end of the relay normally closed switch K3 is grounded; and the negative electrode of the relay coil K is grounded.
The wire harness detection circuit is provided with three groups, namely an I # wire harness detection circuit, an II # wire harness detection circuit and an III # wire harness detection circuit.
Claims (4)
1. A multi-wire beam synchronous detector comprises an AC/DC converter, a resistor R1, a capacitor C1, a switch K1 and a plurality of groups of wire beam detection circuits; the method is characterized in that:
the input end of the AC/DC converter is connected with a lighting power supply, and the output end of the AC/DC converter is connected with one end of a resistor R1; the plurality of groups of wire harness detection circuits are connected in series; the positive electrode of the capacitor C1 and the other end of the resistor R1 are both connected with a series circuit formed by a plurality of groups of wiring harness detection circuits, and the negative electrode of the capacitor C1 is grounded.
2. The multi-line beam synchronous detector of claim 1, wherein:
the wire harness detection circuits of all the groups have the same structure and comprise a wire harness anode A end contact (1), a wire harness cathode A end contact (2), a wire harness anode B end contact (3), a wire harness cathode B end contact (4), a switch K1, a resistor R3, a green light D2 and a switch K2;
the anode of the capacitor C1 and the other end of the resistor R1 are both connected with one end of a switch K1 of the first group of wire harness detection circuits, and the other end of the switch K1 is connected with a wire harness anode A end contact (1) of the first group of wire harness detection circuits; the contact (2) at the end A of the negative pole of the wire harness is grounded;
the B-end contact (3) of the positive pole of the wiring harness is connected with one end of a resistor R3, the other end of a resistor R3 is connected with the positive pole of a green lamp D2, and the negative pole of the green lamp D2 is connected with the B-end contact (4) of the negative pole of the wiring harness through a switch K2;
one ends of all the wire harness detection circuit switches K1 after the second group are respectively connected with the wire harness anode B terminal contact (3) of the wire harness detection circuit in the previous group and one end of the resistor R3, so that series connection is formed.
3. The multi-line beam synchronous detector of claim 1, wherein: the wire harness detection circuit further comprises a short circuit detection circuit, the short circuit detection circuit comprises a relay, a resistor R2 and a red light D1, and the relay comprises a relay coil K and a relay normally-closed switch K3;
the positive pole of the relay coil K and one end of the resistor R2 are both connected with the other end of the switch K1, the other end of the resistor R2 is connected with the positive pole of the red light D1, the negative pole of the red light D1 is connected with one end of the relay normally closed switch K3, and the other end of the relay normally closed switch K3 is grounded; and the negative electrode of the relay coil K is grounded.
4. The multi-line beam synchronous detector of claim 1, wherein: the wire harness detection circuit is provided with three groups, namely an I # wire harness detection circuit, an II # wire harness detection circuit and an III # wire harness detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106940.9U CN214201728U (en) | 2020-12-22 | 2020-12-22 | Multi-line beam synchronous detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106940.9U CN214201728U (en) | 2020-12-22 | 2020-12-22 | Multi-line beam synchronous detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214201728U true CN214201728U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023106940.9U Active CN214201728U (en) | 2020-12-22 | 2020-12-22 | Multi-line beam synchronous detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214201728U (en) |
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2020
- 2020-12-22 CN CN202023106940.9U patent/CN214201728U/en active Active
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