CN205826786U - A kind of Novel line break-make detector - Google Patents
A kind of Novel line break-make detector Download PDFInfo
- Publication number
- CN205826786U CN205826786U CN201620485817.7U CN201620485817U CN205826786U CN 205826786 U CN205826786 U CN 205826786U CN 201620485817 U CN201620485817 U CN 201620485817U CN 205826786 U CN205826786 U CN 205826786U
- Authority
- CN
- China
- Prior art keywords
- resistance
- zener diode
- electric capacity
- line inspection
- inspection road
- 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.)
- Expired - Fee Related
Links
Landscapes
- Measurement Of Current Or Voltage (AREA)
Abstract
This utility model relates to detecting device technique field, concrete open a kind of Novel line break-make detector, including power supply, by line inspection road, the first resistance (R1), the second resistance (R2), Zener diode (DZ1), electric capacity (C1), light emitting diode (D1), audio oscillator；Positive source is connected with by first end of line inspection road (L) and first end of press button AN, it is connected by the first end of second end on line inspection road and the second end of press button and Zener diode (DZ1), the first end of the first resistance (R1), forced resetting end (RESET), power positive end (VCC), light emitting diode (D1), the front end of the second resistance (R2) is connected with discharge end (DISC), and rear end is connected with triggering input (TRIG) and threshold value input (THR)；Second end of power cathode and Zener diode (DZ1), electric capacity (C1), earth terminal (GND) are connected.The features such as the utility model has the advantages that, this detector has durable electricity-saving, simple easily system, easy to use.
Description
Technical field
This utility model relates to detecting device technique field, particularly relates to a kind of Novel line break-make detector.
Background technology
Currently known electronic circuit detector is universal meter, and it is easy to use, and test function is many, but price comparison
High, fragile, general school particularly primary school student is to use " universal meter " when making electronic experiment, and can only be
Minority student's use, this can affect the study of many classmates.
Utility model content
The purpose of this utility model is to provide a kind of Novel line break-make detector, durable electricity-saving, simple easily system, user
Just.
To achieve these goals, this utility model have employed following technical scheme: a kind of Novel line break-make detects
Device, including power supply, by line inspection road (L), the first resistance (R1), the second resistance (R2), Zener diode (DZ1), electric capacity (C1), send out
Optical diode (D1), audio oscillator (NE7555N)；
Described audio oscillator (NE7555N) is provided with 8 pins, respectively forced resetting end (RESET), discharge end
(DISC), input (TRIG), threshold value input (THR), voltage controling end (CVOLT), power positive end (VCC), ground connection are triggered
End (GND), outfan (OUT)；
Described outfan (OUT) connecting luminous diode (D1)；
Described positive source is connected with by first end of line inspection road (L) and first end of press button AN, described by the line inspection
Second end on road and the second end of press button and the first end of Zener diode (DZ1), the first end of the first resistance (R1), strong
Reset terminal processed (RESET), power positive end (VCC), light emitting diode (D1) connect；
It is middle with the first resistance (R1) that described second resistance (R2) is located at electric capacity (C1)；
The front end of described second resistance (R2) is connected with discharge end (DISC), rear end and triggering input (TRIG) and threshold value
Input (THR) connects；
Second end of described power cathode and Zener diode (DZ1), electric capacity (C1), earth terminal (GND) are connected.
Wherein, described positive source is provided with transformer interface (BT1).
Wherein, described Zener diode (DZ1) uses 2CW54 model.
The beneficial effects of the utility model are: this detector has durable electricity-saving, simple easily system, easy to use wait spy
Point, battery operated with two joints 5, several milliamperes of electric current.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment technical scheme, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only that this utility model is in order to more clearly
This utility model embodiment or technical scheme of the prior art are described, below by institute in p-embodiment or description of the prior art
The accompanying drawing used is needed to be briefly described, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is circuit diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
A kind of Novel line break-make detector as shown in Figure 1, including power supply, by line inspection road (L), the first resistance (R1), the
Two resistance (R2), Zener diode (DZ1), electric capacity (C1), light emitting diode (D1), audio oscillator (NE7555N)；
Described audio oscillator (NE7555N) is provided with 8 pins, respectively forced resetting end (RESET), discharge end
(DISC), input (TRIG), threshold value input (THR), voltage controling end (CVOLT), power positive end (VCC), ground connection are triggered
End (GND), outfan (OUT)；
Described outfan (OUT) connecting luminous diode (D1)；
Described positive source is connected with by first end of line inspection road (L) and first end of press button AN, described by the line inspection
Second end on road and the second end of press button and the first end of Zener diode (DZ1), the first end of the first resistance (R1), strong
Reset terminal processed (RESET), power positive end (VCC), light emitting diode (D1) connect；
It is middle with the first resistance (R1) that described second resistance (R2) is located at electric capacity (C1)；
The front end of described second resistance (R2) is connected with discharge end (DISC), rear end and triggering input (TRIG) and threshold value
Input (THR) connects；
Second end of described power cathode and Zener diode (DZ1), electric capacity (C1), earth terminal (GND) are connected.
Described positive source is provided with transformer interface (BT1).
Described Zener diode (DZ1) uses 2CW54 model.
Can be electricity group, Transformer Winding etc. by line inspection road (L), press button AN be used for detecting whether this testing device works
Normally, the effect of Zener diode is to prevent from perception from being produced sensing high pressure by line inspection road (L) to damage audio oscillator device, is looked into
Circuit (L) is if normal, then, after power on low frequency oscillator circuit, audio oscillator produces vibration, driven for emitting lights diode
(D1) constantly glisten instruction.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (3)
1. a Novel line break-make detector, it is characterised in that: include power supply, by line inspection road (L), the first resistance (R1),
Two resistance (R2), Zener diode (DZ1), electric capacity (C1), light emitting diode (D1), audio oscillator (NE7555N)；
Described audio oscillator (NE7555N) is provided with 8 pins, respectively forced resetting end (RESET), discharge end (DISC),
Trigger input (TRIG), threshold value input (THR), voltage controling end (CVOLT), power positive end (VCC), earth terminal (GND),
Outfan (OUT)；
Described outfan (OUT) connecting luminous diode (D1)；
Described positive source is connected with by first end of line inspection road (L) and first end of press button AN, described by line inspection road
Second end of the second end and press button is with the first end of Zener diode (DZ1), the first end of the first resistance (R1), pressure again
Position end (RESET), power positive end (VCC), light emitting diode (D1) connect；
It is middle with the first resistance (R1) that described second resistance (R2) is located at electric capacity (C1)；
The front end of described second resistance (R2) is connected with discharge end (DISC), rear end and triggering input (TRIG) and threshold value input
End (THR) connects；
Second end of described power cathode and Zener diode (DZ1), electric capacity (C1), earth terminal (GND) are connected.
A kind of Novel line break-make detector, it is characterised in that: described positive source is provided with transformation
Device interface (BT1).
A kind of Novel line break-make detector, it is characterised in that: described Zener diode (DZ1)
Use 2CW54 model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485817.7U CN205826786U (en) | 2016-05-25 | 2016-05-25 | A kind of Novel line break-make detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485817.7U CN205826786U (en) | 2016-05-25 | 2016-05-25 | A kind of Novel line break-make detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205826786U true CN205826786U (en) | 2016-12-21 |
Family
ID=57557991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620485817.7U Expired - Fee Related CN205826786U (en) | 2016-05-25 | 2016-05-25 | A kind of Novel line break-make detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205826786U (en) |
-
2016
- 2016-05-25 CN CN201620485817.7U patent/CN205826786U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8089264B2 (en) | Voltage measuring circuit | |
| CN206211502U (en) | A kind of new locked protection circuit of positive feedback output overvoltage | |
| CN104425998A (en) | Power socket and electric shock prevention circuit thereof | |
| CN204422627U (en) | A kind of voltage check device that powers on of telepilot | |
| CN105445596B (en) | Battery detection circuit | |
| CN205826786U (en) | A kind of Novel line break-make detector | |
| CN105116200B (en) | A kind of detection circuit of compatible switch amount and level amount | |
| CN204256101U (en) | Fuse circuit for detecting and there is the charging circuit of this fuse circuit for detecting | |
| CN204719122U (en) | A kind of voltage detecting warning circuit | |
| CN103969599B (en) | Discharge time tested circuit by light fixture | |
| CN203551744U (en) | Electric energy meter load switch state detection circuit | |
| CN206489184U (en) | The acceleration transducer of compatible low and high level self-inspection | |
| CN101972549A (en) | High-sensitivity induction type electricity measurer with strong and weak gears | |
| CN206114824U (en) | Low -cost fuse supervisory circuits | |
| CN211086562U (en) | Commercial power ground wire connectivity detection circuit and device | |
| CN204495949U (en) | A kind of explosive area open circuit detection of short-circuit signal circuit | |
| CN207263872U (en) | A kind of substation secondary cable sorter | |
| CN107589336A (en) | A kind of circuit on-off detection device | |
| CN204719123U (en) | A kind of overvoltage undervoltage detection circuit | |
| CN203084130U (en) | Gps antenna state detection circuit | |
| CN204925225U (en) | Detection circuitry of compatible switching value and level volume | |
| CN104617547B (en) | A kind of mine intrinsic safety electric source dual-protection circuit | |
| CN109752620A (en) | A kind of circuit on-off detection device | |
| CN204116512U (en) | Battery detection circuit | |
| CN204966871U (en) | Safe socket with earthleakage protective equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20190525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |