CN206684217U - A kind of electrical safety detects special purpose device - Google Patents
A kind of electrical safety detects special purpose device Download PDFInfo
- Publication number
- CN206684217U CN206684217U CN201720477871.1U CN201720477871U CN206684217U CN 206684217 U CN206684217 U CN 206684217U CN 201720477871 U CN201720477871 U CN 201720477871U CN 206684217 U CN206684217 U CN 206684217U
- Authority
- CN
- China
- Prior art keywords
- potentiometer
- triode
- electric capacity
- resistance
- ammeter
- 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.)
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Abstract
The utility model discloses a kind of electrical safety to detect special purpose device, it is made up of battery, switch, first resistor to the 5th resistance, the first triode, the second triode, the first electric capacity, the second electric capacity, the first potentiometer, the second potentiometer, test side and ammeter, circuit utilizes the first triode and the second triode Compositional balance bridge circuit, second potentiometer is used to adjust bridge balance, first potentiometer adjusts the throw of pointer of ammeter, first electric capacity and the second electric capacity are used to eliminate interference signal, increase the stability of circuit.The utility model is by detecting the metal part of end in contact electrical equipment, if the metal part of electrical equipment is powered, the throw of pointer of ammeter, electric leakage or strong electrostatic phenomenon are indicated, should be safeguarded, it is practical and convenient, help to reduce potential safety hazard, the value with popularization and application.
Description
Technical field
It the utility model is related to a kind of electrical safety equipment, more particularly to a kind of electrical safety detection special purpose device.
Background technology
It is electrically the general designation of the subjects such as production, transmission, distribution, use and the electrician's equipment manufacturing of electric energy or engineering field.
It is that a science in space and environment is limited with improving to create, maintain using electric energy, electrical equipment and electrical technology as means, contains
Conversion, utilization and the aspect of research three of lid electric energy, including basic theory, application technology, facilities and equipment etc..In the prior art, it is electric
Gas equipment easily causes security incident, therefore, it is necessary to one due to leaking electricity, running, rubbing and lead that metal part is powered or electrostatic etc.
Plant efficiently detection device.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of electrical safety detection special purpose device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model is by battery, switch, first resistor to the 5th resistance, the first triode, the second triode, the first electricity
The first end of appearance, the second electric capacity, the first potentiometer, the second potentiometer, test side and ammeter composition, test side and first resistor
Connection, the second end of first resistor are connected with the base stage of the first triode and the first end of the first electric capacity simultaneously, the first electric capacity
Second end simultaneously with the sliding end of the second potentiometer, the first end of the second electric capacity, the first end of the 5th resistance and the negative pole of battery
Connection, the emitter stage of the first triode are connected with the first end of the second potentiometer, the second end and the two or three pole of the second potentiometer
The colelctor electrode connection of pipe, the colelctor electrode of the first triode first end with the first potentiometer, the sliding end of the first potentiometer simultaneously
Connected with the first end of second resistance, the second end of second resistance connects with the first end of the 4th resistance and the first end of switch simultaneously
Connecing, the second end of switch and the positive pole of battery connect, and the second end of the first potentiometer and the first end of 3rd resistor connect, and the 3rd
Second end of resistance and the first end of ammeter connect, the second end of ammeter while the second end and the two or three with the 4th resistance
The emitter stage connection of pole pipe, the base stage of the second triode connect with the second end of the second electric capacity and the second end of the 5th resistance simultaneously
Connect.
The beneficial effects of the utility model are：
The utility model is a kind of electrical safety detection special purpose device, and the utility model is by detecting end in contact electrical equipment
Metal part, if the metal part of electrical equipment is powered, the throw of pointer of ammeter, indicate that electric leakage or strong electrostatic show
As, it should be safeguarded, it is practical and convenient, help to reduce potential safety hazard, the value with popularization and application.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model is by battery POW, switch SW, first resistor R1 to the 5th resistance R5, the one or three pole
Pipe Q1, the second triode Q2, the first electric capacity C1, the second electric capacity C2, the first potentiometer RP1, the second potentiometer RP2, test side J and
Ammeter A is formed, and test side J is connected with first resistor R1 first end, first resistor R1 the second end and meanwhile with the one or three pole
Pipe Q1 base stage connects with the first electric capacity C1 first end, the first electric capacity C1 the second end while the cunning with the second potentiometer RP2
Moved end, the second electric capacity C2 first end, the 5th resistance R5 first end connect with battery POW negative pole, the first triode Q1's
Emitter stage is connected with the second potentiometer RP2 first end, the second potentiometer RP2 the second end and the second triode Q2 colelctor electrode
Connection, the first triode Q1 colelctor electrode simultaneously with the first potentiometer RP1 first end, the first potentiometer RP1 sliding end and
Second resistance R2 first end connection, second resistance R2 the second end is simultaneously with the 4th resistance R4 first end and switching the of SW
One end is connected, and the second end for switching SW is connected with battery POW positive pole, the first potentiometer RP1 the second end and 3rd resistor R3
First end connection, 3rd resistor R3 the second end is connected with ammeter A first end, ammeter A the second end while with the
Four resistance R4 the second end connects with the second triode Q2 emitter stage, the second triode Q2 base stage simultaneously with the second electric capacity C2
The second end connected with the 5th resistance R5 the second end.
Operation principle of the present utility model is as follows：
The metal part of electrical equipment, if the metal part of electrical equipment is powered, ammeter A are contacted by test side J
Throw of pointer, indicate electric leakage or strong electrostatic phenomenon, should be safeguarded, circuit utilizes the first triode Q1 and the two or three pole
Pipe Q2 Compositional balance bridge circuits, the first triode Q1 base stage are connected by first resistor R1 with test side J, the second triode
Q2 base stage has good stability, therefore, the first triode Q1 can be in no-bias by the 5th resistance R5 connection negative poles
In the case of work, the second potentiometer RP2 is used to adjust bridge balance, and the first potentiometer RP1 regulation ammeters A pointer is inclined
Turn, the first electric capacity C1 and the second electric capacity C2 are used to eliminate interference signal, increase the stability of circuit.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (1)
1. a kind of electrical safety detects special purpose device, it is characterised in that：By battery, switch, first resistor to the 5th resistance, first
Triode, the second triode, the first electric capacity, the second electric capacity, the first potentiometer, the second potentiometer, test side and ammeter composition,
The first end of test side and first resistor connects, and the end of drop second of first resistor is simultaneously electric with the base stage of the first triode and first
The first end connection of appearance, the second end of the first electric capacity sliding end with the second potentiometer, the first end of the second electric capacity, the 5th simultaneously
The first end of resistance is connected with the negative pole of battery, and the emitter stage of the first triode is connected with the first end of the second potentiometer, and second
Second end of potentiometer is connected with the colelctor electrode of the second triode, the colelctor electrode of the first triode simultaneously with the first potentiometer the
One end, the sliding end of the first potentiometer connect with the first end of second resistance, the second end of second resistance simultaneously with the 4th resistance
First end connect with the first end of switch, the positive pole of the second end of switch and battery connects, the second end of the first potentiometer and
The first end connection of 3rd resistor, the second end of 3rd resistor and the first end of ammeter connect, and the second end of ammeter is simultaneously
Be connected with the second end of the 4th resistance and the emitter stage of the second triode, the base stage of the second triode simultaneously with the second electric capacity the
Two ends connect with the second end of the 5th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477871.1U CN206684217U (en) | 2017-05-03 | 2017-05-03 | A kind of electrical safety detects special purpose device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477871.1U CN206684217U (en) | 2017-05-03 | 2017-05-03 | A kind of electrical safety detects special purpose device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206684217U true CN206684217U (en) | 2017-11-28 |
Family
ID=60407027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720477871.1U Expired - Fee Related CN206684217U (en) | 2017-05-03 | 2017-05-03 | A kind of electrical safety detects special purpose device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206684217U (en) |
-
2017
- 2017-05-03 CN CN201720477871.1U patent/CN206684217U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 Termination date: 20180503 |