CN215116729U - Circuit on-off detection device - Google Patents
Circuit on-off detection device Download PDFInfo
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- CN215116729U CN215116729U CN202121542010.XU CN202121542010U CN215116729U CN 215116729 U CN215116729 U CN 215116729U CN 202121542010 U CN202121542010 U CN 202121542010U CN 215116729 U CN215116729 U CN 215116729U
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Abstract
The utility model discloses a circuit on-off detection device, including emitting diode, bee calling organ, DC power supply, current-limiting resistance, step-down resistor and the connector of the circuit that inserts the awaiting measuring, emitting diode, bee calling organ, DC power supply and step-down resistor are established ties, and current-limiting resistance is parallelly connected with emitting diode and/or bee calling organ, and series circuit's anodal links to each other with the positive pole of connector, and series circuit's negative pole links to each other with the negative pole of connector. The utility model discloses a circuit break-make detection device simple operation, it is accurate reliable, the noisy and weak environment of light of being convenient for provides detection efficiency greatly, reduces potential safety hazard and outage loss.
Description
Technical Field
The utility model relates to an electric power tech field, more particularly, the utility model relates to a circuit on-off detection device.
Background
The square cabin of the existing square cabin power station or power supply vehicle is provided with a power supply line, and the on-off of the line needs to be detected irregularly to ensure the normal operation of each device; and if power supply faults occur, line fault points need to be found as soon as possible, the line power failure time is shortened, power transmission is recovered rapidly, and otherwise certain economic loss is caused.
The shelter power station or supply vehicle shelter is often used under noisy or weak environment of light, and current circuit break-make detection device, detection time is long, and fault alarm is not obvious moreover, influences work efficiency.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a circuit on-off detection device innovatively, the simple operation, it is accurate reliable, the noisy and weak environment of light of being convenient for provides detection efficiency greatly.
For realizing foretell technical purpose, the utility model discloses a circuit on-off detection device, including emitting diode, bee calling organ, DC power supply, current-limiting resistor, step-down resistor and the connector of the circuit that inserts the awaiting measuring, emitting diode, bee calling organ, DC power supply and step-down resistor establish ties, current-limiting resistor with emitting diode and/or bee calling organ connects in parallel, and series circuit's anodal links to each other with the positive pole of connector, and series circuit's negative pole links to each other with the negative pole of connector.
The LED lamp further comprises a miniature circuit breaker, wherein the miniature circuit breaker is connected in parallel with a branch formed by connecting a light-emitting diode, a buzzer, a direct-current power supply and a voltage reduction resistor in series.
Further, the connector is a three-pin plug.
Further, the connector is a five-pin plug.
Further, the connector comprises a positive electrode meter pen and a negative electrode meter pen, the positive electrode meter pen is connected with the positive electrode of the series circuit, and the negative electrode meter pen is connected with the negative electrode meter pen of the series circuit.
Further, the light emitting diode is a gallium arsenide diode, a gallium phosphide diode, a silicon carbide diode or a gallium nitride diode.
Further, the direct current power supply is a 3.7V direct current battery.
Further, the direct current battery is a rechargeable battery.
The utility model has the advantages that:
the utility model discloses a circuit break-make detection device simple operation, it is accurate reliable, the noisy and weak environment of light of being convenient for provides detection efficiency greatly, reduces potential safety hazard and outage loss.
Drawings
Fig. 1 is a schematic circuit diagram of a circuit on-off detection device according to a first embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a line on-off detection device according to a second embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a line on-off detection device according to a third embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a line on-off detection device according to a fourth embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. a miniature circuit breaker; 2. a light emitting diode; 3. a buzzer; 4. a direct current power supply; 5. a current limiting resistor; 6. a voltage reduction resistor; 7. a connector; 71. a positive meter pen; 72. negative electrode meter pen.
Detailed Description
The circuit on-off detection device provided by the invention is explained and explained in detail below with reference to the attached drawings.
As shown in fig. 1 and 2, this embodiment specifically discloses a circuit on-off detection device, which includes a light emitting diode 2, a buzzer 3, a dc power supply 4, a current limiting resistor 5, a voltage dropping resistor 6, and a connector 7 connected to a circuit to be detected, where the light emitting diode 2, the buzzer 3, the dc power supply 4 and the voltage dropping resistor 6 are connected in series, the current limiting resistor 5 is connected in parallel with the light emitting diode 2 and/or the buzzer 3, the current limiting resistor 5 is used for limiting current, the current limiting resistor 5 may be connected in series with the buzzer 3 after being connected in parallel with the light emitting diode 2, or the current limiting resistor 5 is connected in series with the light emitting diode 2 after being connected in parallel with the buzzer 3, or the current limiting resistor 5 is connected in parallel with the light emitting diode 2 and the buzzer 3 which are connected in series. The positive pole of the series circuit is connected to the positive pole of the connector 7 and the negative pole of the series circuit is connected to the negative pole of the connector 7.
In the series circuit, the positions of the light emitting diode 2, the buzzer 3, the direct current power supply 4 and the voltage reduction resistor 6 can be exchanged, but the negative electrode of the light emitting diode 2 is connected with the negative electrode of the direct current power supply 4.
As shown in fig. 1, the connector 7 is a plug, and the connector 7 is a three-pin plug. Or the connector 7 is a five pin plug. The positive pole of the series circuit is connected with the positive contact pin of the plug, and the negative pole of the series circuit is connected with the negative contact pin of the plug.
The plug is used for being matched and plugged with a socket on a line to be tested. The buzzer 3 is used for testing voltage indication, and because the direct current voltage needs to be divided into a positive pole and a negative pole, the LED 2 emits light if the circuit has no fault by utilizing the one-way conduction function of the LED 2, otherwise, the LED 2 is not bright. Meanwhile, the light in the buzzer 3 is on and makes a sound under the action of forward voltage, and the light in the buzzer 3 is not on and does not make a sound under the action of reverse voltage.
The circuit on-off detection device of this embodiment, when detecting the circuit trouble, give off light and audible alarm simultaneously, be fit for noisy and the weaker environment of light. The plug is directly inserted into the socket of the circuit to be detected, the operation is convenient, the accuracy and the reliability are realized, the fault detection is quick, and the detection efficiency is improved.
In another embodiment, as shown in fig. 2, the connector 7 comprises a positive stylus 71 and a negative stylus 72, the positive stylus 71 being connected to the positive pole of the series circuit and the negative stylus 72 being connected to the negative pole of the series circuit. The positive stylus 71 contacts one end of the line to be tested and the negative stylus 72 contacts the other end of the line to be tested. The line to be tested can be a control line, a cable, an aerial plug or a switch. By utilizing a working mechanism of a direct current loop, when the anode of the light emitting diode 2 is supplied with positive electricity and the cathode is supplied with negative electricity, the light emitting diode 2 works and lights up, when a circuit to be tested is connected, the light emitting diode 2 lights up, and when the circuit to be tested is not connected, the light emitting diode 2 does not light up, and the buzzer 3 does not sound, so that the testing effect is realized by the working principle.
Before use, the positive electrode meter pen 71 and the negative electrode meter pen 72 are touched to check whether the light emitting diode 2 is on, judge whether the line on-off detection device is abnormal, and perform self-checking.
The light emitting diode 2 is a gallium arsenide diode, a gallium phosphide diode, a silicon carbide diode or a gallium nitride diode.
The dc power supply 4 is a 3.7 vdc battery. The direct current battery is a rechargeable battery. When the direct-current power supply 4 is a rechargeable battery, the battery can be fed after being used for a long time, and a universal meter is used daily to test the voltage of the battery and charge the battery.
As shown in fig. 3 and 4, the on-off line detection device further includes a miniature circuit breaker 1 on the basis of the above embodiments, and the miniature circuit breaker 1 is connected in parallel with a branch formed by connecting the light emitting diode 2, the buzzer 3, the dc power supply 4 and the step-down resistor 6 in series. The miniature circuit breaker 1 opens circuit when detecting that the circuit that takes the awaiting measuring breaks down, guarantees circuit safety, has increased the signal that detects simultaneously. When the miniature circuit breaker is used daily, a universal meter can be used for measuring the input voltage value of the miniature circuit breaker 1.
The utility model discloses provide circuit break-make detection efficiency greatly, reduce potential safety hazard and outage loss.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and simple improvements made in the spirit of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The circuit on-off detection device is characterized by comprising a light emitting diode (2), a buzzer (3), a direct current power supply (4), a current limiting resistor (5), a voltage reduction resistor (6) and a connector (7) connected to a circuit to be detected, wherein the light emitting diode (2), the buzzer (3), the direct current power supply (4) and the voltage reduction resistor (6) are connected in series, the current limiting resistor (5) is connected with the light emitting diode (2) and/or the buzzer (3) in parallel, the anode of a series circuit is connected with the anode of the connector (7), and the cathode of the series circuit is connected with the cathode of the connector (7).
2. The on-off line detection device according to claim 1, further comprising a miniature circuit breaker (1), wherein the miniature circuit breaker (1) is connected in parallel with a branch formed by connecting the light emitting diode (2), the buzzer (3), the direct current power supply (4) and the voltage reduction resistor (6) in series.
3. The on-off line detection device according to claim 1, characterized in that the connector (7) is a three-pin plug.
4. The on-off line detection device according to claim 1, wherein the connector (7) is a five-pin plug.
5. The on-off line detection device according to claim 1, characterized in that the connector (7) comprises a positive stylus (71) and a negative stylus (72), the positive stylus (71) being connected to the positive pole of the series circuit and the negative stylus (72) being connected to the negative stylus of the series circuit.
6. The on-off line detection device according to claim 1, wherein the light emitting diode (2) is a gallium arsenide diode, gallium phosphide, silicon carbide or gallium nitride diode.
7. The on-off line detection device according to claim 1, characterized in that the dc power supply (4) is a 3.7 vdc battery.
8. The on-off line detection device according to claim 7, wherein the DC battery is a rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121542010.XU CN215116729U (en) | 2021-07-07 | 2021-07-07 | Circuit on-off detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121542010.XU CN215116729U (en) | 2021-07-07 | 2021-07-07 | Circuit on-off detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215116729U true CN215116729U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121542010.XU Active CN215116729U (en) | 2021-07-07 | 2021-07-07 | Circuit on-off detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215116729U (en) |
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2021
- 2021-07-07 CN CN202121542010.XU patent/CN215116729U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province Patentee after: Zhengzhou Foguang power generation equipment Co.,Ltd. Address before: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU FOGUANG POWER GENERATION EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |