CN213750218U - Detection apparatus for fuse operating condition - Google Patents
Detection apparatus for fuse operating condition Download PDFInfo
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- CN213750218U CN213750218U CN202022110652.4U CN202022110652U CN213750218U CN 213750218 U CN213750218 U CN 213750218U CN 202022110652 U CN202022110652 U CN 202022110652U CN 213750218 U CN213750218 U CN 213750218U
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- fuse
- relay
- microprocessor
- wiring terminal
- emitting diode
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Abstract
The utility model provides a detection apparatus for fuse operating condition, include: microprocessor, relay, manual button switch, safety resistor, emitting diode, and first binding post and the second binding post of being connected with the both ends electricity of fuse. The input end of the relay is connected with the first wiring terminal, the output end of the relay is connected with one end of the safety resistor, the control end of the relay is connected with the first output end of the microprocessor, the other end of the safety resistor is connected with the second wiring terminal, and the light-emitting diode is connected with the safety resistor in parallel. The manual button switch is connected between the first input end of the microprocessor and the digital ground in series, and when the manual button switch is turned off, the microprocessor controls the relay to be turned on, so that the light-emitting diode, the first wiring terminal and the second wiring terminal form an electric loop to judge whether the fuse is fused or not. The utility model discloses can improve the work efficiency and the convenience that the electrical point of maintenance personal examined, improve equipment's electrical safety.
Description
Technical Field
The utility model relates to a fuse detects technical field, especially relates to a detection device of fuse operating condition.
Background
At present, people mostly connect various fuses in series in a loop in order to ensure the safe operation of various electric equipment, such as transformers, switches, motors, and the like. Although these fuses have simple structure, convenient to use, can avoid overload or short-circuit current to the harm of protected equipment effectively, have the shortcoming, first of all, whether fusing of most fuses is not intuitive, have brought the inconvenience for operation and maintenance. Secondly, the maintenance personal can not quick replacement fuse, if meet instantaneous short circuit overcurrent in the fuse operation process, the fuse disconnection, need change new fuse this moment, and the electric drawing, multimeter and the fuse that maintenance personal needed just can accomplish the change. Based on the above defects, when the equipment maintenance personnel encounters the problem of fuse blowing, the maintenance time is too long or even the problem cannot be solved due to unfamiliarity with the equipment and the incompleteness of the maintenance tool, so that the condition of equipment stop is caused, and the production efficiency of a factory is influenced. Therefore, how to rapidly detect the working state of the fuse has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a detection apparatus for fuse operating condition, the fuse of solving current electrical equipment can not be directly perceived the problem of observing its operating condition, can improve the work efficiency and the convenience that maintenance personal electric point was examined, improve equipment's electrical safety nature.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a device for detecting the operating state of a fuse, comprising: the safety circuit comprises a microprocessor, a relay, a manual button switch, a safety resistor, a light emitting diode, a first wiring terminal and a second wiring terminal, wherein the first wiring terminal and the second wiring terminal are electrically connected with two ends of a fuse;
the input end of the relay is connected with a first wiring terminal, the output end of the relay is connected with one end of the safety resistor, the control end of the relay is connected with the first output end of the microprocessor, the other end of the safety resistor is connected with a second wiring terminal, and the light-emitting diode is connected with the safety resistor in parallel;
the manual button switch is connected between a first input end of the microprocessor and the digital ground in series, when the manual button switch is switched off, the microprocessor controls the relay to be switched on, so that the light emitting diode, the first wiring terminal and the second wiring terminal form an electric loop to judge whether the fuse is fused or not.
Preferably, the method further comprises the following steps: a first diode;
the first diode is connected between the relay and the first wiring terminal in series, the anode of the first diode is connected with the first wiring terminal, and the anode of the light-emitting diode is connected with the output end of the relay.
Preferably, the method further comprises the following steps: fusing the fuse;
the fusing fuse is connected between the safety resistor and the second wiring terminal in series.
Preferably, the method further comprises the following steps: a voltage sensor;
and the output end of the voltage sensor is connected with the second input end of the microprocessor and used for detecting the terminal voltages at two ends of the fuse.
Preferably, the method further comprises the following steps: a display screen;
and the input end of the display screen is connected with the second output end of the microprocessor and used for displaying the terminal voltage.
Preferably, the method further comprises the following steps: a buzzer;
the input end of the buzzer is connected with the third output end of the microprocessor, and when the terminal voltage is greater than a set voltage threshold value, the microprocessor controls the buzzer to sound and alarm.
Preferably, the relay is a normally open relay.
Preferably, the microprocessor is a single chip microcomputer.
The utility model provides a detection apparatus for fuse operating condition concatenates between first binding post and the second binding post of being connected with the both ends electricity of fuse through emitting diode in order to form electric circuit to break off or the closure that passes through relay control electric circuit by microprocessor, judge whether the fuse takes place the fusing through emitting diode's the luminous condition. The problem of current electrical equipment's fuse can not directly perceivedly observe its operating condition is solved, the work efficiency and the convenience that the maintenance personal electric point was examined can be improved, the electrical safety of improve equipment.
Drawings
In order to more clearly illustrate the specific embodiments of the present invention, the drawings used in the embodiments will be briefly described below.
Fig. 1 is a schematic diagram of a detection device for detecting the working state of a fuse according to the present invention.
Reference numerals
K1, manual button switch, J1, relay, D1, first diode, D2, light emitting diode, R1, safety resistor, F1, fusing fuse.
Detailed Description
In order to make those skilled in the art better understand the solution of the embodiments of the present invention, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings and the implementation manner.
The utility model provides a problem that operating condition to the fuse can't the visual observation at present, easily causes maintenance person to spend a large amount of time to carry out the detection, the utility model provides a detection device of fuse operating condition concatenates between first binding post and the second binding post of being connected with the both ends electricity of fuse through emitting diode to pass through relay control electric loop's disconnection or closure by microprocessor, judge whether the fuse takes place the fusing through emitting diode's luminous condition. The problem of current electrical equipment's fuse can not directly perceivedly observe its operating condition is solved, the work efficiency and the convenience that the maintenance personal electric point was examined can be improved, the electrical safety of improve equipment.
As shown in fig. 1, a device for detecting an operating state of a fuse includes: the fuse comprises a microprocessor, a relay J1, a manual button switch K1, a safety resistor R1, a light emitting diode D2, a first connecting terminal V1 and a second connecting terminal V2, wherein the first connecting terminal V1 and the second connecting terminal V2 are electrically connected with two ends of the fuse. The input end of relay is connected with first binding post V1, the output of relay with safety resistor R1's one end is connected, the control end of relay with microprocessor's first output links to each other, safety resistor R1's the other end is connected with second binding post V2, emitting diode D2 with safety resistor R1 parallel connection. The manual button switch K1 is connected in series between the first input end of the microprocessor and the digital ground, and when the manual button switch K1 is closed, the microprocessor controls the relay J1 to be closed, so that the light-emitting diode D2, the first wiring terminal V1 and the second wiring terminal V2 form an electric loop to judge whether the fuse is fused or not.
Specifically, when the relay is closed, if the fuse is not fused during normal operation, the detection device is in a short-circuited state, and the light emitting diode cannot be turned on; if the fuse is fused, the main circuit is in a broken circuit, an electric loop formed by the first wiring terminal, the light-emitting diode and the second wiring terminal is in a power-on state, and the light-emitting diode shines to remind maintenance personnel to replace the fuse. Meanwhile, the microprocessor judges whether the fuse needs to be detected by the detection device through the on-off or the off-off of the manual button switch, if so, the manual button switch is pressed down, the first input end of the microprocessor receives a low level signal, at the moment, the first output end of the microprocessor outputs a high level to close the relay, and further the light emitting diode, the first wiring terminal and the second wiring terminal form an electric loop, if the light emitting diode is lightened, the fuse is fused, and if the light emitting diode is not lightened, the fuse is not fused and is in a normal working state. The detection device can visually observe the working state of the fuse, can improve the working efficiency and convenience of electrical point inspection of maintenance personnel, and improves the electrical safety of equipment.
As shown in fig. 1, the apparatus further comprises: a first diode D1; the first diode D1 is connected in series between the relay J1 and the first connection terminal V1, the anode of the first diode D1 is connected with the first connection terminal V1, and the anode of the light emitting diode D2 is connected with the output end of the relay J1.
The device also includes: blowing a fuse F1; the fusing fuse F1 is connected in series between the safety resistor R1 and the second connection terminal V2.
The device also includes: a voltage sensor; and the output end of the voltage sensor is connected with the second input end of the microprocessor and used for detecting the terminal voltages at two ends of the fuse.
The device also includes: a display screen; and the input end of the display screen is connected with the second output end of the microprocessor and used for displaying the terminal voltage.
In practical application, the damage degree of the voltages at the two ends of the fuse to a human body is judged through the terminal voltage displayed by the display screen, and different replacement strategies are adopted according to the terminal voltage.
The device also includes: a buzzer; the input end of the buzzer is connected with the third output end of the microprocessor, and when the terminal voltage is greater than a set voltage threshold value, the microprocessor controls the buzzer to sound and alarm.
In practical application, a device shell can be spliced, an indicator lamp hole is formed in the surface of the shell, a wire outlet is formed in the back side of the shell, wiring is conducted inside the shell, and a circuit board is connected and fixed. When the LED lamp is used, the luminous state of the indicating lamp hole can be checked when the luminous dipolar light is lightened.
Further, the relay is a normally open relay.
Furthermore, the microprocessor is a single chip microcomputer.
It is visible, the utility model provides a detection device of fuse operating condition concatenates between first binding post and the second binding post of being connected with the both ends electricity of fuse through emitting diode in order to form electric circuit to break off or the closure that passes through relay control electric circuit by microprocessor, judge whether the fuse takes place the fusing through emitting diode's the luminous condition. The problem of current electrical equipment's fuse can not directly perceivedly observe its operating condition is solved, the work efficiency and the convenience that the maintenance personal electric point was examined can be improved, the electrical safety of improve equipment.
The structure, features and effects of the present invention have been described in detail according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to equivalent changes are within the protection scope of the present invention without departing from the spirit covered by the description and drawings.
Claims (8)
1. A device for detecting an operating state of a fuse, comprising: the safety circuit comprises a microprocessor, a relay, a manual button switch, a safety resistor, a light emitting diode, a first wiring terminal and a second wiring terminal, wherein the first wiring terminal and the second wiring terminal are electrically connected with two ends of a fuse;
the input end of the relay is connected with a first wiring terminal, the output end of the relay is connected with one end of the safety resistor, the control end of the relay is connected with the first output end of the microprocessor, the other end of the safety resistor is connected with a second wiring terminal, and the light-emitting diode is connected with the safety resistor in parallel;
the manual button switch is connected between a first input end of the microprocessor and the digital ground in series, when the manual button switch is switched off, the microprocessor controls the relay to be switched on, so that the light emitting diode, the first wiring terminal and the second wiring terminal form an electric loop to judge whether the fuse is fused or not.
2. A fuse operating state detecting device according to claim 1, further comprising: a first diode;
the first diode is connected between the relay and the first wiring terminal in series, the anode of the first diode is connected with the first wiring terminal, and the anode of the light-emitting diode is connected with the output end of the relay.
3. A fuse operating state detecting device according to claim 2, further comprising: fusing the fuse;
the fusing fuse is connected between the safety resistor and the second wiring terminal in series.
4. A fuse operating state detecting device according to claim 3, further comprising: a voltage sensor;
and the output end of the voltage sensor is connected with the second input end of the microprocessor and used for detecting the terminal voltages at two ends of the fuse.
5. The apparatus for detecting an operating state of a fuse according to claim 4, further comprising: a display screen;
and the input end of the display screen is connected with the second output end of the microprocessor and used for displaying the terminal voltage.
6. The apparatus for detecting an operating state of a fuse according to claim 5, further comprising: a buzzer;
the input end of the buzzer is connected with the third output end of the microprocessor, and when the terminal voltage is greater than a set voltage threshold value, the microprocessor controls the buzzer to sound and alarm.
7. A fuse operating state detecting device in accordance with claim 1, wherein said relay is a normally open relay.
8. A fuse state of operation detection apparatus as claimed in any one of claims 1 to 7, wherein the microprocessor is a single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110652.4U CN213750218U (en) | 2020-09-23 | 2020-09-23 | Detection apparatus for fuse operating condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110652.4U CN213750218U (en) | 2020-09-23 | 2020-09-23 | Detection apparatus for fuse operating condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213750218U true CN213750218U (en) | 2021-07-20 |
Family
ID=76845629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110652.4U Active CN213750218U (en) | 2020-09-23 | 2020-09-23 | Detection apparatus for fuse operating condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213750218U (en) |
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2020
- 2020-09-23 CN CN202022110652.4U patent/CN213750218U/en active Active
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