CN215067216U - Cable detection tool plate circuit - Google Patents
Cable detection tool plate circuit Download PDFInfo
- Publication number
- CN215067216U CN215067216U CN202121384965.7U CN202121384965U CN215067216U CN 215067216 U CN215067216 U CN 215067216U CN 202121384965 U CN202121384965 U CN 202121384965U CN 215067216 U CN215067216 U CN 215067216U
- Authority
- CN
- China
- Prior art keywords
- triode
- diode
- emitting diode
- resistor
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a cable detects frock board circuit, including detection module and alarm module, detection module includes resistance R1, R2, diode D1, D2, triode Q1, emitting diode D5 and be used for the probe J1 with the cable contact, J2, alarm module includes resistance R3, R4, electric capacity C, diode D4, triode Q2, Q3, emitting diode D3 and relay RE, the break-make state of cable can be known directly perceivedly to the operating condition that maintainer can pass emitting diode D5, high durability and simple use, and when the cable produced reverse voltage, reverse voltage can make emitting diode D3 luminous from reminding the maintainer, the maintainer can make emergency measure as early as possible, reduce the reverse voltage and cause the chance of damage to the instrument.
Description
Technical Field
The utility model relates to a cable detection circuitry's technical field, concretely relates to cable detection frock board circuit.
Background
The existing cable detection circuit is complex and lacks prompt of detection personnel, and although the power supply of the cable is usually cut off in the detection process, when an accident (such as lightning strike) occurs, the cable can generate reverse voltage, and the existing cable detection tooling board circuit lacks protection of a detection instrument under the action of the reverse voltage.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a cable detection frock board circuit, aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
The purpose of the utility model is realized like this:
a cable detection tooling board circuit comprises a detection module and an alarm module, wherein the detection module comprises resistors R1 and R2, diodes D1 and D2, a triode Q1, a light-emitting diode D5 and probes J1 and J2 for contacting with a cable.
The upper end of the resistor R1 and the a end of the probe J1 are respectively connected with the anode of an external power supply, the lower end of the resistor R1 is respectively connected with the anode of the diode D1 and the base of the triode Q1, the cathode of the diode D1 is connected with the anode of the diode D2, the collector of the triode Q1 and the cathode of the light-emitting diode D5 are respectively connected with the b end of the probe J1, the emitter of the triode Q1 is connected with the upper end of the resistor R2, the cathode of the diode D2, the lower end of the resistor R2 and the a end of the probe J2 are respectively connected with the cathode of the external power supply, and the anode of the light-emitting diode D5 is connected with the b end of the probe J2.
The alarm module comprises resistors R3 and R4, a capacitor C, a diode D4, a triode Q2 and Q3, a light-emitting diode D3 and a relay RE.
The base electrode of the triode Q2 is connected with the positive electrode of an external power supply, the emitter electrode of the triode Q2 is connected with the upper end of a resistor R3, the lower end of the resistor R3 is connected with the upper end of a resistor R4, the base electrode of the triode Q3 and the pin 3 of a relay RE respectively, the lower end of the resistor R4 is grounded, the collector electrode of the triode Q2 is connected with one end of a capacitor C, the other end of the capacitor C is connected with the pin 1 of the relay RE, the pin 2 of the relay RE is connected with the positive electrode of a light-emitting diode D3, the negative electrode of the light-emitting diode D3 is grounded, the pin 4 of the relay RE is connected with the negative electrode of the external power supply, the pin 5 of the relay is connected with the negative electrode of the diode D4, and the positive electrode of a diode D4 is connected with the collector electrode and the emitter electrode of the triode Q3 respectively and grounded.
The utility model has the advantages that:
the maintainer can know the break-make state of cable directly perceivedly through emitting diode D5's operating condition, and is simple to use, and in addition, when the cable produced reverse voltage, reverse voltage can make emitting diode D3 luminous from reminding the maintainer, and the maintainer can make emergency measures as early as possible, reduces the reverse voltage and causes the chance of damaging to the instrument.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1, the cable detection tooling board circuit comprises a detection module and an alarm module, wherein the detection module comprises resistors R1 and R2, diodes D1 and D2, a triode Q1, a light emitting diode D5 and probes J1 and J2 for contacting with a cable.
The upper end of a resistor R1 and the a end of a probe J1 are respectively connected with the anode of an external power supply, the lower end of a resistor R1 is respectively connected with the anode of a diode D1 and the base of a triode Q1, the cathode of a diode D1 and the anode of a diode D2 are connected, the collector of the triode Q1 and the cathode of a light-emitting diode D5 are respectively connected with the b end of a probe J1, the emitter of the triode Q1 is connected with the upper end of a resistor R2, the cathode of the diode D2, the lower end of a resistor R2 and the a end of the probe J2 are respectively connected with the cathode of the external power supply, and the anode of the light-emitting diode D5 is connected with the b end of the probe J2.
When the cable is in a disconnected state, the a end of the probe J1 and the a end of the probe J2 are also disconnected, the a end and the b end of the probe J1 are conducted through the probe 1, the a end and the b end of the probe J2 are conducted through the probe 1, the base voltage of the triode Q1 is increased, the collector voltage and the emitter voltage of the triode Q1 are low to form a conducting state, and current passes through the light-emitting diode D5 to enable the triode Q1 to emit light.
When the cable is in a normal state, the base voltage of the triode Q1 is zero, the triode Q1 is in an off state, the current cannot pass through the light-emitting diode D5, and the light-emitting diode D5 is turned off.
The alarm module comprises resistors R3 and R4, a capacitor C, a diode D4, a triode Q2 and Q3, a light-emitting diode D3 and a relay RE.
The base electrode of the triode Q2 is connected with the positive electrode of an external power supply, the emitter electrode of the triode Q2 is connected with the upper end of a resistor R3, the lower end of the resistor R3 is respectively connected with the upper end of a resistor R4, the base electrode of the triode Q3 and the pin 3 of a relay RE, the lower end of the resistor R4 is grounded, the collector electrode of the triode Q2 is connected with one end of a capacitor C, the other end of the capacitor C is connected with the pin 1 of the relay RE, the pin 2 of the relay RE is connected with the positive electrode of a light-emitting diode D3, the negative electrode of the light-emitting diode D3 is grounded, the pin 4 of the relay RE is connected with the negative electrode of the external power supply, the pin 5 of the relay is connected with the negative electrode of the diode D4, and the positive electrode of the diode D4 is respectively connected with the collector electrode and the emitter electrode of the triode Q3 and grounded.
When reverse voltage is input, the base voltage of the triode Q2 is lower than the collector voltage, the reverse voltage is divided by the resistors R3 and R4 and then input to the base of the triode Q3, the base voltage of the triode Q3 is higher than the collector, the reverse voltage is output to the relay RE from the collector of the triode Q3, the relay RE operates and is switched to supply power to the light-emitting diode D3, the light-emitting diode D3 emits light to work, and the reverse voltage is prompted to appear by maintenance personnel.
The maintainer can know the break-make state of cable directly perceivedly through emitting diode D5's operating condition, and is simple to use, and in addition, when the cable produced reverse voltage, reverse voltage can make emitting diode D3 luminous from reminding the maintainer, and the maintainer can make emergency measures as early as possible, reduces the reverse voltage and causes the chance of damaging to the instrument.
The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.
Claims (1)
1. A cable detection tool plate circuit comprises a detection module and an alarm module, and is characterized in that the detection module comprises resistors R1 and R2, diodes D1 and D2, a triode Q1, a light emitting diode D5, and probes J1 and J2 for contacting with a cable;
the upper end of the resistor R1 and the a end of the probe J1 are respectively connected with the anode of an external power supply, the lower end of the resistor R1 is respectively connected with the anode of the diode D1 and the base of the triode Q1, the cathode of the diode D1 is connected with the anode of the diode D2, the collector of the triode Q1 and the cathode of the light-emitting diode D5 are respectively connected with the b end of the probe J1, the emitter of the triode Q1 is connected with the upper end of the resistor R2, the cathode of the diode D2, the lower end of the resistor R2 and the a end of the probe J2 are respectively connected with the cathode of the external power supply, and the anode of the light-emitting diode D5 is connected with the b end of the probe J2;
the alarm module comprises resistors R3 and R4, a capacitor C, a diode D4, a triode Q2 and Q3, a light-emitting diode D3 and a relay RE;
the base electrode of the triode Q2 is connected with the positive electrode of an external power supply, the emitter electrode of the triode Q2 is connected with the upper end of a resistor R3, the lower end of the resistor R3 is connected with the upper end of a resistor R4, the base electrode of the triode Q3 and the pin 3 of a relay RE respectively, the lower end of the resistor R4 is grounded, the collector electrode of the triode Q2 is connected with one end of a capacitor C, the other end of the capacitor C is connected with the pin 1 of the relay RE, the pin 2 of the relay RE is connected with the positive electrode of a light-emitting diode D3, the negative electrode of the light-emitting diode D3 is grounded, the pin 4 of the relay RE is connected with the negative electrode of the external power supply, the pin 5 of the relay is connected with the negative electrode of the diode D4, and the positive electrode of a diode D4 is connected with the collector electrode and the emitter electrode of the triode Q3 respectively and grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384965.7U CN215067216U (en) | 2021-06-21 | 2021-06-21 | Cable detection tool plate circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121384965.7U CN215067216U (en) | 2021-06-21 | 2021-06-21 | Cable detection tool plate circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215067216U true CN215067216U (en) | 2021-12-07 |
Family
ID=79201095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121384965.7U Active CN215067216U (en) | 2021-06-21 | 2021-06-21 | Cable detection tool plate circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215067216U (en) |
-
2021
- 2021-06-21 CN CN202121384965.7U patent/CN215067216U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215067216U (en) | Cable detection tool plate circuit | |
| CN109035723A (en) | A kind of leak overflow alarming system based on probe in detecting | |
| CN204349330U (en) | Self-check type state indicator | |
| CN205121826U (en) | Electron detection alarm circuit arrangement | |
| CN111736088B (en) | Power state indicating circuit | |
| CN212910129U (en) | External load work indicating circuit | |
| CN104577961B (en) | Over-pressed power-off protecting circuit | |
| CN203465345U (en) | External voltage automatic detection and alarm circuit | |
| CN210442474U (en) | Breakdown alarm device for direct-current dual-power isolation diode | |
| CN209311659U (en) | Numerically-controlled machine tool power supply alarm circuit | |
| CN110703154A (en) | Socket test circuit and broadcast control method for socket test | |
| CN220085462U (en) | Alarm driving circuit for arc extinction | |
| CN202495407U (en) | Fuse monitor with sound-light prompt function | |
| CN214576978U (en) | Wireless inclinometer while drilling with fault detector | |
| CN218767077U (en) | Universal voltage test board circuit | |
| CN216848191U (en) | Infrared light detection circuit and electronic equipment | |
| CN220730371U (en) | Alarm circuit for detecting abnormal closing of normally closed end of relay | |
| CN219349395U (en) | Main control board tester for alternating current electric appliance | |
| CN220156691U (en) | Car light fault diagnosis feedback circuit | |
| CN211348591U (en) | Filling machine conduction detection device based on OBD interface | |
| CN215116729U (en) | Circuit on-off detection device | |
| CN107607827B (en) | Safety detection circuit of automobile diagnosis seat | |
| CN212781139U (en) | Be applied to heartbeat detection circuitry of FTU battery monitoring module | |
| CN220398614U (en) | Super capacitor working condition diagnosis and alarm circuit | |
| CN203537638U (en) | Safe light-emitting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |