CN207650147U - It can carry out the sensor of the continuous on-line measurement of micro- water in oil - Google Patents
It can carry out the sensor of the continuous on-line measurement of micro- water in oil Download PDFInfo
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- CN207650147U CN207650147U CN201721815630.XU CN201721815630U CN207650147U CN 207650147 U CN207650147 U CN 207650147U CN 201721815630 U CN201721815630 U CN 201721815630U CN 207650147 U CN207650147 U CN 207650147U
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- aluminum substrate
- alumina plate
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Abstract
The utility model discloses the sensors that can carry out the continuous on-line measurement of micro- water in oil, including aluminum substrate, it is welded with alumina plate in the top exterior walls of the aluminum substrate, and the through-hole equidistantly distributed is provided at the top of alumina plate, au upper electrode is welded on the top exterior walls outer wall of the alumina plate, the au upper electrode is located at the side of alumina plate, the side far from au upper electrode is welded with the first gland at the top of the alumina plate, and first is welded with the first lead in gland, sets that there are two detection probes in the bottom outer wall of the aluminum substrate.The utility model enough makes the volatile matter of liquid to be detected adequately be contacted with alumina plate, improve the resistance to hydratability of device, the moisture being able to detect that in oil with oil without contacting, device is avoided to be damaged in oil, in the service life for improving device, the response time of sensor is shortened, stability is good, can real-time Transmission detection data, realize continuous on-line measurement.
Description
Technical field
The utility model is related to sensor technical fields, more particularly to can carry out the biography of the continuous on-line measurement of micro- water in oil
Sensor.
Background technology
Currently, the continuous improvement of the structure with power industry expanded increasingly with voltage apparatus grade, the dimension of transformer
Shield is more and more important, and the moisture measurement wherein in transformer oil has become a part very heavy during transformer is safeguarded, in oily
Water content there is decisive action substantially in the safe operation of transformer, the insulating properties of the content of moisture to transformer oil
Conclusive influence is played, excessive water content will accelerate the aging of insulating materials in oily, and reduce insulating properties, and then cause to set
The unstable and potential danger of received shipment row can cause coil to generate arc ring and short circuit phenomenon, even when water content is big
Explosion etc. can occur in some cases.According to GB50150-2006《Electric device installing engineering electrical equipment commissioning test mark
It is accurate》, in oil the measurement of minor amount of water have to comply with certain regulation.Micro-water content in the offline inspection insulating oil of laboratory, operation are multiple
Miscellaneous not easy to control, especially water-oil separating link realizes that difficulty is big, while transformer is far oily to detection from taking to laboratory distance
Process complexity is of high cost, and real-time is poor；Online micro- water monitoring is effective supplement of the micro- water monitoring in laboratory and perfect, Er Qieyi
As the behavior of hysteresis of sensor, stability and reactivity it is all not good enough, therefore, there is an urgent need for can carry out micro- water in oil it is continuous
The sensor that line measures.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and what is proposed carries out micro- water in oil
Continuous on-line measurement sensor.
To achieve the goals above, the utility model uses following technical solution：
It can carry out the sensor of the continuous on-line measurement of micro- water in oil, including aluminum substrate, the top exterior walls of the aluminum substrate
On be welded with alumina plate, and the through-hole equidistantly distributed is provided at the top of alumina plate, the top exterior walls of the alumina plate
Au upper electrode is welded on outer wall, the au upper electrode is located at the side of alumina plate, is powered on far from gold at the top of the alumina plate
The side of pole is welded with the first gland, and the first lead is welded in the first gland, in the bottom outer wall of the aluminum substrate
If there are two detection probes, and detection probe includes fixed link, and the fixed link is welded in the bottom outer wall of aluminum substrate, described
The bottom of fixed link is welded with connecting tube, and the connecting tube is hose, and the inside of connecting tube is filled with sponge, the aluminum substrate
With the same fixed plate is welded on the side outer wall of alumina plate, and fixed plate and aluminum substrate are perpendicular, the fixed plate
Mounting hole there are two being opened on the outer wall of side, and two mounting holes are located at the upper and lower ends of fixed plate, the fixed plate is close
It is welded with stainless steel grating on the side outer wall of aluminum substrate.
Preferably, the specification of the alumina plate and the specification of aluminum substrate are identical, and the top surface area of alumina plate is more than
The top surface area of au upper electrode.
Preferably, the top center of the au upper electrode is welded with the second gland, and the top of the second gland
It is welded with the second lead.
Preferably, the bottom of the connecting tube is welded with detecting head, and the cross section of detecting head is ellipsoidal structure, detection
It is provided with the intercommunicating pore equidistantly distributed on the outer wall of head.
Preferably, the aluminum substrate, alumina plate, au upper electrode, the first gland, the second gland and the equal position of fixed link
In being opened in stainless steel grating, and on the top and bottom outer wall of stainless steel grating, there are two installing ports.
Preferably, first lead, the second lead and two connecting tubes both pass through stainless steel grating, and the first lead connects
It is connected to processor.
The beneficial effects of the utility model are：
1, the volatile matter of liquid to be detected can be made adequately to be connect with alumina plate by the setting of alumina plate and through-hole
It touches, improves the resistance to hydratability of device.
2, by the setting of detecting head, connecting tube and fixed link can enable devices to detect the moisture in oil without with
Oil contact avoids device and is damaged in oil, improves the service life of device.
3, the response time of sensor is shortened by the setting of au upper electrode, stability is good.
It 4, being capable of real-time Transmission detection by the setting of the first gland, the second gland, the first lead and the second lead
Data realize continuous on-line measurement.
Description of the drawings
Fig. 1 be the utility model proposes the sectional structure for carrying out the sensor of the continuous on-line measurement of micro- water in oil show
It is intended to；
Fig. 2 be the utility model proposes the plan structure for carrying out the sensor of the continuous on-line measurement of micro- water in oil show
It is intended to.
In figure：1 aluminum substrate, 2 alumina plates, 3 detection probes, 4 detecting heads, 5 connecting tubes, 6 fixed links, 7 through-holes, 8 first
It is gland, 9 first leads, 10 second leads, 11 au upper electrodes, 12 second glands, 13 mounting holes, 14 fixed plates, 15 stainless
Steel grating.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, the sensor of the continuous on-line measurement of micro- water in oil, including aluminum substrate 1 can be carried out, aluminum substrate 1
Alumina plate 2 is welded in top exterior walls, and the top of alumina plate 2 is provided with the through-hole 7 equidistantly distributed, alumina plate 2
Au upper electrode 11 is welded on top exterior walls outer wall, au upper electrode 11 is located at the side of alumina plate 2, and 2 top of alumina plate is separate
The side of au upper electrode 11 is welded with the first gland 8, and the first lead 9, the bottom of aluminum substrate 1 are welded in the first gland 8
Detection probe 3 there are two being set on portion's outer wall, and detection probe 3 includes fixed link 6, fixed link 6 is welded on outside the bottom of aluminum substrate 1
On wall, the bottom of fixed link 6 is welded with connecting tube 5, and connecting tube 5 is hose, and the inside of connecting tube 5 is filled with sponge, aluminium base
The same fixed plate 14 is welded on the side outer wall of plate 1 and alumina plate 2, and fixed plate 14 and aluminum substrate 1 are perpendicular, it is fixed
Mounting hole 13 there are two being opened on the side outer wall of plate 14, and two mounting holes 13 are located at the upper and lower ends of fixed plate 14, Gu
Fixed board 14 is welded with stainless steel grating 15 on the side outer wall of aluminum substrate 1.
In the utility model, the specification of alumina plate 2 is identical as the specification of aluminum substrate 1, and the top surface area of alumina plate 2
More than the top surface area of au upper electrode 11, the top center of au upper electrode 11 is welded with the second gland 12, and second is solid
The top for determining first 12 is welded with the second lead 10, and the bottom of connecting tube 5 is welded with detecting head 4, and the cross section of detecting head 4 is ellipse
Circular configuration, is provided with the intercommunicating pore equidistantly distributed on the outer wall of detecting head 4, aluminum substrate 1, alumina plate 2, au upper electrode 11,
First gland 8, the second gland 12 and fixed link 6 are respectively positioned in stainless steel grating 15, and the top of stainless steel grating 15 and
Installing port there are two being opened in bottom outer wall, the first lead 9, the second lead 10 and two connecting tubes 5 both pass through stainless steel grating
15, and the first lead 9 is connected with processor.
Operation principle：In use, device is fixed on pasta or more by fixed plate 14 and mounting hole 13, then pass through spy
Gauge head 4, connecting tube 5 and fixed link 6, which detect the moisture in oil, makes the volatile matter of liquid to be detected by alumina plate 2 and through-hole 7
It is adequately contacted with alumina plate 2, avoids device and be damaged in oil, biography is shortened by the setting of au upper electrode 11
The response time of sensor measures capacitance when balance, according to capacitance after the absorption moisture of alumina plate 2 reaches equilibrium valve
Judge the dew point of water, the i.e. concentration of water, it is real by the first gland 8, the second gland 12, the first lead 9 and the second lead 10
When transmit detection data, realize continuous on-line measurement.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. the sensor of the continuous on-line measurement of micro- water in oil can be carried out, including aluminum substrate (1), which is characterized in that the aluminium base
It is welded with alumina plate (2) in the top exterior walls of plate (1), and the through-hole equidistantly distributed is provided at the top of alumina plate (2)
(7), au upper electrode (11) is welded on the top exterior walls outer wall of the alumina plate (2), the au upper electrode (11) is located at oxidation
The side of aluminium sheet (2), side of alumina plate (2) top far from au upper electrode (11) are welded with the first gland (8), and
It is welded with the first lead (9) in first gland (8), is set in the bottom outer wall of the aluminum substrate (1) there are two detection probe
(3), and detection probe (3) includes fixed link (6), and the fixed link (6) is welded in the bottom outer wall of aluminum substrate (1), described
The bottom of fixed link (6) is welded with connecting tube (5), and the connecting tube (5) is hose, and the inside of connecting tube (5) is filled with sea
It is welded with the same fixed plate (14), and fixed plate (14) on the side outer wall of silk floss, the aluminum substrate (1) and alumina plate (2)
It is perpendicular with aluminum substrate (1), it is opened on the side outer wall of the fixed plate (14) there are two mounting hole (13), and two mounting holes
(13) upper and lower ends of fixed plate (14) are located at, the fixed plate (14) is welded on the side outer wall of aluminum substrate (1)
There is stainless steel grating (15).
2. the sensor according to claim 1 for carrying out the continuous on-line measurement of micro- water in oil, which is characterized in that described
The specification of alumina plate (2) is identical as the specification of aluminum substrate (1), and the top surface area of alumina plate (2) is more than au upper electrode
(11) top surface area.
3. the sensor according to claim 1 for carrying out the continuous on-line measurement of micro- water in oil, which is characterized in that described
The top center of au upper electrode (11) is welded with the second gland (12), and is welded at the top of the second gland (12)
Two leads (10).
4. the sensor according to claim 1 for carrying out the continuous on-line measurement of micro- water in oil, which is characterized in that described
The bottom of connecting tube (5) is welded with detecting head (4), and the cross section of detecting head (4) is ellipsoidal structure, detecting head (4) it is outer
The intercommunicating pore equidistantly distributed is provided on wall.
5. the sensor according to claim 1 for carrying out the continuous on-line measurement of micro- water in oil, which is characterized in that described
Aluminum substrate (1), alumina plate (2), au upper electrode (11), the first gland (8), the second gland (12) and fixed link (6) are equal
In the stainless steel grating (15), and open that there are two installing ports on the top and bottom outer wall of stainless steel grating (15).
6. the sensor according to claim 1 for carrying out the continuous on-line measurement of micro- water in oil, which is characterized in that described
First lead (9), the second lead (10) and two connecting tubes (5) both pass through stainless steel grating (15), and the first lead (9) connects
There is processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815630.XU CN207650147U (en) | 2017-12-22 | 2017-12-22 | It can carry out the sensor of the continuous on-line measurement of micro- water in oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815630.XU CN207650147U (en) | 2017-12-22 | 2017-12-22 | It can carry out the sensor of the continuous on-line measurement of micro- water in oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650147U true CN207650147U (en) | 2018-07-24 |
Family
ID=62878402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815630.XU Active CN207650147U (en) | 2017-12-22 | 2017-12-22 | It can carry out the sensor of the continuous on-line measurement of micro- water in oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650147U (en) |
-
2017
- 2017-12-22 CN CN201721815630.XU patent/CN207650147U/en active Active
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