CN214585908U - Indicator light detector - Google Patents
Indicator light detector Download PDFInfo
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- CN214585908U CN214585908U CN202120413759.8U CN202120413759U CN214585908U CN 214585908 U CN214585908 U CN 214585908U CN 202120413759 U CN202120413759 U CN 202120413759U CN 214585908 U CN214585908 U CN 214585908U
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- triode
- indicator light
- pilot lamp
- resistor
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Abstract
The utility model provides an indicator lamp detector, when overhauing electrical control cabinet or switch, often detect equipment power failure for guaranteeing safety, therefore whether there is the trouble in the indicator lamp on the equipment to be not convenient for judge. In case the hidden danger that the pilot lamp trouble is not bright will appear in the power transmission, can not once only accomplish maintenance work, still easily cause personnel's electric shock and the risk of equipment damage because of transmitting power repeatedly. The utility model discloses the inside battery contravariant of accessible output 110V that steps up, 220V, 380V's handing-over, direct current operating voltage, according to the pilot lamp operating voltage selection corresponding gear of test, through the direct and pilot lamp binding post contact of device probe, to the pilot lamp power supply, observe the pilot lamp and do not light or luminance in time more renew the pilot lamp when not enough, the difficult problem of whether having the trouble of equipment power failure maintenance unable judgement pilot lamp has been solved effectively, equipment during operation still accompanies the reputation warning suggestion simultaneously, prevent personnel's electric shock occurence of failure.
Description
Technical Field
The utility model relates to an indicator light equipment detects technical field, specifically is an indicator light detector.
Background
The indicating lamp is a device for monitoring the working or position state of circuit and electric equipment by using light, and is usually used for reflecting the working state of circuit, working state and position relation of electric equipment, and is formed from lamp head, bulb, lamp shade and connecting wire, and also uses light-emitting diode as indicating lamp, and is generally mounted on the screen, plate, table and panel of high-voltage and low-voltage distribution equipment, and on the disk surface of some low-voltage electric equipment and instruments or other obvious positions, and the rated working voltage of indicating lamp is ac or dc 110V, 220V and 380V, and when the electric control cabinet or switch is overhauled, it is often implemented to cut off the power of equipment so as to ensure safety, so that it can not be judged whether the indicating lamp on the equipment has fault or not. In case the hidden danger that the pilot lamp trouble is not bright will appear in the power transmission, can not once only accomplish maintenance work, still easily cause personnel's electric shock and the risk of equipment damage because of transmitting power repeatedly.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an indicator lamp detector has solved the equipment power failure effectively and has overhauld the difficult problem that can't judge whether there is the trouble in the indicator lamp, and equipment during operation still accompanies reputation warning suggestion simultaneously, prevents that personnel's electric shock accident from taking place.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: an indicator light detector comprises a charging circuit, a power supply circuit and a selection circuit; a collector of the triode BG1 is connected with a resistor R1 and an indicator light D1 in series and then is connected with the anode of a 3.8V lithium battery, a base of the triode BG1 is connected with the cathode of the 3.8V lithium battery, an emitter of the triode BG1 is connected with the cathode of a charging socket, a base of the triode BG1 is connected with an emitter of the triode BG1 after being connected with a resistor R2, and the anode of the charging socket is connected with the anode of the 3.8V lithium battery to form a charging circuit; the positive pole of the 3.8V lithium battery is connected with the button switch and the primary coil with 6 turns in series and then is connected with the collector of the triode BG2, the base of the triode BG2 is connected with the feedback coil with 6 turns in series, the warning lamp D2 and the resistor R4 are connected between the button switch and the primary coil, the emitter of the triode BG2 is connected with the negative pole of the 3.8V lithium battery, the negative pole of the 3.8V lithium battery is connected with the buzzer and the resistor R3 in series and then is connected between the button switch and the primary coil, and a power supply circuit is formed; the secondary coil has 600 turns, and the 170 turns, 340 turns and 600 turns are provided with three output ports which are respectively connected to the input ends of the three-way change-over switch, the output end of the three-way change-over switch is connected to one two-way change-over switch, one output end of the two-way change-over switch is connected to the probe, and the other output end of the two-way change-over switch is connected to the probe after being connected to the diode D3 and the capacitor C in series, so that the selection circuit is formed.
Preferably, the resistances of the resistor R1 and the resistor R2 are 300 Ω and 6 Ω, respectively, the indicator light D1 is a green light emitting diode, and the model of the triode BG1 is C9034.
Preferably, the resistor R4 has a resistance of 500 Ω, the indicator light D2 is a red led, and the transistor BG2 has a model number D880.
Preferably, the indicator light D3 is IN4007, the capacitor C is 2.2 microfarads, and the withstand voltage is 400V.
According to the technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses can provide 110V, 220V, 380V's handing-over, direct current operating voltage, can be to the pilot lamp power supply of various models to detect the pilot lamp, select corresponding gear according to the pilot lamp operating voltage of test during the use, through the direct and pilot lamp binding post contact of device probe, to the pilot lamp power supply, observe the pilot lamp and do not light or luminance can in time more renew the pilot lamp when not enough.
2. The utility model discloses the during operation still accompanies reputation warning suggestion, prevents that personnel's electric shock accident from taking place.
3. The utility model discloses an it is insulating between the coil, realize electrical isolation, protection circuit avoids damaging.
4. The utility model discloses resistance R1, resistance R2, pilot lamp D1, triode BG1 constitute charging circuit jointly, protect and remind operating personnel to the lithium cell in the charging process.
Drawings
Fig. 1 is a circuit connection diagram of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an indicator light detector includes a charging circuit, a power supply circuit, and a selection circuit; the collector of the triode BG1 is connected with a resistor R1 and an indicator light D1 in series and then is connected with the anode of a 3.8V lithium battery, the base of the triode BG1 is connected with the cathode of the 3.8V lithium battery, the emitter of the triode BG1 is connected with the cathode of a charging socket, the base of the triode BG1 is connected with the emitter of the triode BG1 after being connected with a resistor R2, the anode of the charging socket is connected with the anode of the 3.8V lithium battery, the resistances of the resistor R1 and the resistor R2 are respectively 300 omega and 6 omega, the indicator light D1 is a green light emitting diode, green indication is provided during charging, the model of the triode BG1 is C9034, and the resistor R1, the resistor R2, the indicator light D1 and the triode BG1 jointly form a charging circuit.
The collector of the triode is hereinafter referred to as c, the base of the triode is hereinafter referred to as b, and the emitter of the triode is hereinafter referred to as e. When the 3.8V lithium battery is charged, the charging socket provides a power supply, the power supply is shunted to the 3.8V lithium battery through the resistor R2 for charging, a voltage drop is generated through the shunt resistor R2, the triode BG1 be junction is conducted, the light-emitting diode D1 is lightened, when the battery is fully charged, the voltage drop of the resistor R2 is reduced, the triode BG1 bc junction is cut off, and the light-emitting diode D1 is extinguished. In the charging process, the triode BG1 is changed from saturation conduction to cut-off state, namely, the diode is changed from light emitting to light out from open circuit, the triode BG1 plays a role in protecting the lithium battery, and the diode D1 is used for displaying the working state.
The positive pole and the button switch of 3.8V lithium cell, the collecting electrode of triode BG2 is inserted after the primary coil that the number of turns is 6 circles connects in series, the base of triode BG2 connects in series between button switch and primary coil with the feedback coil that the number of turns is 6 circles, warning light D2 and resistance R4, the projecting pole of triode BG2 connects in 3.8V lithium cell's negative pole, 3.8V lithium cell's negative pole and bee calling organ, resistance R3 connects in series between button switch and primary coil, constitute supply circuit. The resistance value of the resistor R4 is 500 omega, the indicator light D2 is a red light emitting diode, and the model of the triode BG2 is D880. Because the buzzer and the red light-emitting diode are added in the circuit, the measurement can be accompanied by an alarm sound and a red light-emitting indication.
The inverter circuit is composed of a resistor R4, an indicator light D2, a triode BG2 and a magnetic core through transformation, a button switch is pressed, the power supply is connected, a current path is formed by the lithium battery and the resistor R4, the indicator light D2 and the triode BG2 be, a light-emitting diode D2 is lightened, the triode BG2 be is conducted, the triode BG2 ce is conducted, the battery current is charged through a primary winding of the transformation transformer, a secondary winding coil generates upper negative and lower positive back electromotive force, the feedback winding is mutually induced to obtain upper negative and lower positive electromotive force, the triode BG2 be is reversely biased and cut off, the resonance is carried out in a reciprocating mode, a strain magnetic field is obtained on the magnetic core during transformation, the primary winding obtains induced electromotive force, and the 110V, 220V and 380V output pulse measuring voltage is obtained due to the selection of multiple winding taps. The function of the feedback coil is as follows: the transformer has the advantages that the output voltage is stabilized, short-circuit protection is carried out, the primary coil winding and the secondary coil winding of the transformer can generate high back electromotive force at the moment of switching on and off, the feedback coil charges the power supply with the induced electromotive force generated by the primary coil winding and the secondary coil winding, and simultaneously, the current flowing through the feedback coil winding is demagnetized on the iron core of the transformer. Function of transistor BG 2: at the moment of power-on, slowly entering saturated conduction from a cut-off state; at the moment of power failure, the circuit is slowly switched into a cut-off state from saturation conduction, and the circuit is protected.
The secondary coil has 600 turns in total, and the turn ratio of the primary coil to the secondary coil is 6 to 600 turns, so that the maximum output of the internal 3.8V lithium battery inverter boosting is 380V. Three output ports are arranged at the positions of 170 turns, 340 turns and 600 turns, and are respectively connected to the input ends of the three-way change-over switch to output pulse voltages of 110V, 220V and 380V, the output end of the three-way change-over switch is connected to one two-way change-over switch, one output end of the two-way change-over switch is connected to the probe to output pulse alternating current, the other output end of the two-way change-over switch is connected to the probe after being connected with the diode D3 and the capacitor C in series, and direct current is output after shaping and filtering to form a selection circuit. The indicator light D3 is IN4007, the capacitor C is 2.2 microfarads, and the withstand voltage is 400V.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (4)
1. An indicator light detector which characterized in that: the charging circuit comprises a charging circuit, a power supply circuit and a selection circuit; a collector of the triode BG1 is connected with a resistor R1 and an indicator light D1 in series and then is connected with the anode of a 3.8V lithium battery, a base of the triode BG1 is connected with the cathode of the 3.8V lithium battery, an emitter of the triode BG1 is connected with the cathode of a charging socket, a base of the triode BG1 is connected with an emitter of the triode BG1 after being connected with a resistor R2, and the anode of the charging socket is connected with the anode of the 3.8V lithium battery to form a charging circuit;
the positive pole of the 3.8V lithium battery is connected with the button switch and the primary coil with 6 turns in series and then is connected with the collector of the triode BG2, the base of the triode BG2 is connected with the feedback coil with 6 turns in series, the warning lamp D2 and the resistor R4 are connected between the button switch and the primary coil, the emitter of the triode BG2 is connected with the negative pole of the 3.8V lithium battery, the negative pole of the 3.8V lithium battery is connected with the buzzer and the resistor R3 in series and then is connected between the button switch and the primary coil, and a power supply circuit is formed;
the secondary coil has 600 turns, and the 170 turns, 340 turns and 600 turns are provided with three output ports which are respectively connected to the input ends of the three-way change-over switch, the output end of the three-way change-over switch is connected to one two-way change-over switch, one output end of the two-way change-over switch is connected to the probe, and the other output end of the two-way change-over switch is connected to the probe after being connected to the diode D3 and the capacitor C in series, so that the selection circuit is formed.
2. The indicator light detector of claim 1, wherein: the resistances of the resistor R1 and the resistor R2 are respectively 300 omega and 6 omega, the indicator light D1 is a green light emitting diode, and the model of the triode BG1 is C9034.
3. The indicator light detector of claim 1, wherein: the resistance value of the resistor R4 is 500 omega, the indicator light D2 is a red light emitting diode, and the model of the triode BG2 is D880.
4. The indicator light detector of claim 1, wherein: the indicator light D3 is IN4007, the capacitor C is 2.2 microfarads, and the withstand voltage is 400V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413759.8U CN214585908U (en) | 2021-02-25 | 2021-02-25 | Indicator light detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413759.8U CN214585908U (en) | 2021-02-25 | 2021-02-25 | Indicator light detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214585908U true CN214585908U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120413759.8U Expired - Fee Related CN214585908U (en) | 2021-02-25 | 2021-02-25 | Indicator light detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214585908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913095A (en) * | 2020-08-06 | 2020-11-10 | 易佰特新能源科技有限公司 | Method for detecting and maintaining faults of main board of automatic lithium battery formation equipment |
-
2021
- 2021-02-25 CN CN202120413759.8U patent/CN214585908U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913095A (en) * | 2020-08-06 | 2020-11-10 | 易佰特新能源科技有限公司 | Method for detecting and maintaining faults of main board of automatic lithium battery formation equipment |
| CN111913095B (en) * | 2020-08-06 | 2022-12-23 | 易佰特新能源科技有限公司 | Method for detecting and maintaining faults of main board of automatic lithium battery formation equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |