CN204008533U - A kind of calibrating installation for wet sponge pin hole leak locator - Google Patents
A kind of calibrating installation for wet sponge pin hole leak locator Download PDFInfo
- Publication number
- CN204008533U CN204008533U CN201420449387.4U CN201420449387U CN204008533U CN 204008533 U CN204008533 U CN 204008533U CN 201420449387 U CN201420449387 U CN 201420449387U CN 204008533 U CN204008533 U CN 204008533U
- Authority
- CN
- China
- Prior art keywords
- terminal
- casing
- pin hole
- positive terminal
- leak locator
- 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
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a kind of calibrating installation for wet sponge pin hole leak locator, comprise casing (1), positive terminal (2), negative terminal (3), standard DC current source (4), calibration resistor (5), standard straight ampere-voltage meter (6), DC milliammeter (7), positive terminal (8), negative terminal (9).When the sponge gauge head of wet sponge pin hole leak locator connects with positive terminal (2), signal wire connects with negative terminal (3), can realize the leak detection correcting current work to wet sponge pin hole leak locator by adjustment criteria resistor (5).When the sponge gauge head of wet sponge pin hole leak locator connects with positive terminal (8), signal wire connects with negative terminal (9), by the size of current of adjustment criteria DC current source (4), can realize the leak detection correcting current work to wet sponge pin hole leak locator.
Description
Technical field
The utility model is a kind of calibrating installation for wet sponge pin hole leak locator.
Background technology
Wet sponge pin hole leak locator is that one is applicable to taking metal parts as matrix, to the surveying instrument of coat of metal parts defects detection.Chief component parts have instrument body, sponge, signal wire and conductive agent etc.Its advantage is that volume is little, is easy to carry, and voltage is low, can fast detecting go out coating surface defect, and report to the police in the mode of acousto-optic, and prompting exists defect; Leak detection current value when shortcoming is not display alarm, cannot be to this detecting instrument on value, carry out accuracy evaluation, domestic calibrating standard and the means of alignment not yet having for this instrument.
Summary of the invention
The utility model adopts two cover systems, and every cover system can be realized the calibration operation of leak locator.
The calibrating installation of wet sponge pin hole leak locator, comprises casing, positive terminal, negative terminal, standard DC current source, calibration resistor, standard straight ampere-voltage meter, DC milliammeter, positive terminal, negative terminal.
First set system comprises measuring resistance, standard straight ampere-voltage meter, milliammeter composition.When calibration, the resistance of adjustment criteria resistor, in the time that leak locator sends sound and light alarm, record resistance value and magnitude of voltage now, according to Ohm law, leak detection electric current can calculate leak locator warning time, the leak detection electric current calculating can be compared with the reading of milliammeter, calculates the relative error of leak detection electric current.
In first set calibration system, positive terminal, utmost point binding post adopt thread connection to be fixed on casing, and insulate with casing.
Positive terminal is connected by wire and calibration resistor one end, and the other one end of calibration resistor and DC milliammeter positive input terminal are connected, and DC milliammeter negative input end and negative terminal are connected.
Standard straight ampere-voltage meter positive input terminal connects with positive terminal, and standard straight ampere-voltage meter negative input end connects with negative terminal.
Calibration resistor is arranged on casing, connects by bolted.
Standard straight ampere-voltage meter is arranged on casing, connects by bolted.
DC milliammeter is arranged on casing, connects by bolted.
When calibration, the sponge gauge head of wet sponge leak locator connects with positive terminal; The signal wire of wet sponge leak locator and negative terminal, by adjustment criteria resistor, can complete the calibration operation to wet sponge leak locator.
The second cover system adopts normalized current source as pumping signal, directly, to leak locator input leak detection electric current, in the time that leak detection electric current reaches the alarming value of leak locator, leak locator sends sound and light alarm signal, now can be by the introducing error in normalized current source, as the error of leak detection electric current.
In the second cover calibration system, positive terminal, negative terminal adopt thread connection to be fixed on casing, and insulate with casing.
Normalized current source is arranged on casing, connects by bolted.
Positive terminal is connected by the positive input terminal in wire and normalized current source, and negative terminal is connected by the negative input end in wire and normalized current source.
When calibration, the sponge gauge head of wet sponge leak locator connects with positive terminal; The signal wire of wet sponge leak locator and negative terminal, the size of current of adjustment criteria current source, can complete the calibration operation to wet sponge leak locator.
This calibrating installation has made up domestic blank, adopts 2 kinds of different calibrating principles to calibrate leak locator simultaneously, can directly compare calibration result, has increased the accuracy of calibrating installation; In addition, 2 cover systems are arranged on a device, have simplified space, be easy to carry, be applicable to execute-in-place.
Brief description of the drawings
Fig. 1 is the apparatus structure schematic diagram of calibration wet sponge pin hole leak locator.
Fig. 2 is the utility model circuit theory schematic diagram.
Embodiment
Describe the calibrating installation of wet sponge pin hole leak locator in detail below in conjunction with accompanying drawing.
The calibrating installation of wet sponge pin hole leak locator, comprises casing 1, positive terminal 2, negative terminal 3, standard DC current source 4, calibration resistor 5, standard straight ampere-voltage meter 6, DC milliammeter 7, positive terminal 8, negative terminal 9.
In first set calibration system, positive terminal 2, utmost point binding post 3 adopt thread connection to be fixed on casing 1, and insulate with casing 1.
Positive terminal 2 is connected by wire and calibration resistor 5 one end, and the other one end of calibration resistor 5 and DC milliammeter 7 positive input terminals are connected, and DC milliammeter 7 negative input ends and negative terminal 3 are connected.
Standard straight ampere-voltage meter 6 positive input terminals connect with positive terminal 2, and standard straight ampere-voltage meter 6 negative input ends connect with negative terminal 3.
Calibration resistor 5 is arranged on casing 1, connects by bolted.
Standard straight ampere-voltage meter 6 is arranged on casing 1, connects by bolted.
DC milliammeter 7 is arranged on casing 1, connects by bolted.
When calibration, the sponge gauge head of wet sponge leak locator connects with positive terminal 2; The signal wire of wet sponge leak locator and negative terminal 3, by adjustment criteria resistor 5, can complete the calibration operation to wet sponge leak locator.
In the second cover calibration system, positive terminal 8,, negative terminal 9 adopts thread connection to be fixed on casing 1, and insulate with casing 1.
Normalized current source 4 is arranged on casing 1, connects by bolted.
Positive terminal 8 is connected by the positive input terminal in wire and normalized current source 4, and negative terminal 9 is connected by the negative input end in wire and normalized current source 4.
When calibration, the sponge gauge head of wet sponge leak locator connects with positive terminal 8; The signal wire of wet sponge leak locator and negative terminal 9, the size of current of adjustment criteria current source 4, can complete the calibration operation to wet sponge leak locator.
Claims (1)
1. the calibrating installation for wet sponge pin hole leak locator, comprise casing (1), positive terminal (2), negative terminal (3), standard DC current source (4), calibration resistor (5), standard straight ampere-voltage meter (6), DC milliammeter (7), positive terminal (8), negative terminal (9), it is characterized in that: 2 cover measuring systems are set
In first set calibration system, positive terminal (2), utmost point binding post (3) adopt thread connection to be fixed on casing (1) above, and insulate with casing (1); Positive terminal (2) is connected by wire and calibration resistor (5) one end, and the other one end of calibration resistor (5) and DC milliammeter (7) positive input terminal are connected, and DC milliammeter (7) negative input end and negative terminal (3) are connected; Standard straight ampere-voltage meter (6) positive input terminal connects with positive terminal (2), and standard straight ampere-voltage meter (6) negative input end connects with negative terminal (3); It is upper that calibration resistor (5), standard straight ampere-voltage meter (6), DC milliammeter (7) are arranged on casing (1), connects by bolted;
In the second cover calibration system, positive terminal (8), negative terminal (9) adopt thread connection to be fixed on casing (1) above, and insulate with casing 1; It is upper that normalized current source (4) is arranged on casing (1), connects by bolted; Positive terminal (8) is connected by the positive input terminal of wire and normalized current source (4), and negative terminal (9) is connected by the negative input end of wire and normalized current source (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449387.4U CN204008533U (en) | 2014-08-11 | 2014-08-11 | A kind of calibrating installation for wet sponge pin hole leak locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420449387.4U CN204008533U (en) | 2014-08-11 | 2014-08-11 | A kind of calibrating installation for wet sponge pin hole leak locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008533U true CN204008533U (en) | 2014-12-10 |
Family
ID=52048513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420449387.4U Expired - Fee Related CN204008533U (en) | 2014-08-11 | 2014-08-11 | A kind of calibrating installation for wet sponge pin hole leak locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008533U (en) |
-
2014
- 2014-08-11 CN CN201420449387.4U patent/CN204008533U/en not_active Expired - Fee Related
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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: 20141210 Termination date: 20200811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |