CN211856437U - Oil-water mixture detection device - Google Patents
Oil-water mixture detection device Download PDFInfo
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- CN211856437U CN211856437U CN202020544939.5U CN202020544939U CN211856437U CN 211856437 U CN211856437 U CN 211856437U CN 202020544939 U CN202020544939 U CN 202020544939U CN 211856437 U CN211856437 U CN 211856437U
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Abstract
The utility model relates to the technical field of oil-water mixture detection, in particular to an oil-water mixture detection device, which comprises a fixed pipeline, a fixed disk which is fixedly arranged in the fixed pipeline and coaxially arranged with the fixed pipeline, and a capacitor component which is arranged in the fixed pipeline and electrically connected with a measurement display system; the inner electrode cylinder assembly comprises an inner insulating cylinder, an inner electrode cylinder and an inner insulating layer, wherein the inner insulating cylinder is fixedly arranged at the axis of the fixed disc and is arranged along the axis of the fixed disc; the outer electrode barrel assembly comprises an outer electrode barrel and an outer insulating layer, wherein the outer electrode barrel is arranged on the outer peripheral side of the inner electrode barrel in a clearance mode and is arranged in a clearance mode with the inner side wall of the fixed pipeline, and the outer insulating layer covers the inner wall of the outer electrode barrel. The utility model provides an oil-water mixture detection device can promote detection device's sensitivity and detection precision, and can compromise oil, water content detection accuracy to can promote oil-water mixture detection device's result of use.
Description
Technical Field
The utility model relates to an oil-water mixture detects technical field, concretely relates to oil-water mixture detection device.
Background
Turbine oil and lubricating oil are widely used in multiple industries such as petrifaction, electric power, water conservancy, ships and the like, mainly play roles of lubrication, heat dissipation, sealing, hydraulic operation and the like, and whether water exists in the turbine oil and the lubricating oil such as an oil tank, an oil basin and the like needs to be detected, such as mixing water in the turbine oil and the lubricating oil, the effects of lubrication, heat dissipation, storage and the like are directly influenced, and the safety of lubrication and heat dissipation equipment is further damaged. At present, the capacitance type oil-water mixing detection device is generally used for detection and consists of an inner electrode, an outer electrode and a circuit part, after water is mixed in oil, because the dielectric constant of the inner electrode and the outer electrode is greatly different, according to the characteristic that the capacitance value changes along with the change of an interelectrode medium, the capacitance value changes, an oil-water mixing proportion fixed value is set through a micro circuit, when the oil-water mixing proportion reaches a set value, an alarm contact signal or an analog quantity signal is output, and the capacitance type oil-water mixing detection device has better accuracy, simple structure and wider application.
For example, chinese patent publication No. CN105158118A discloses an oil-water mixing redundancy detection device, which includes: the device comprises an upper shell, a middle shell and a lower shell, wherein the upper shell is provided with an installation and oil source interface I or an installation and oil source interface II, and the middle shell is internally provided with a detection metal rod, a buoyancy detection device and a detection trigger device; the buoyancy detection device comprises a buoy, and the buoy is sleeved on the detection metal rod; the detection trigger device is a microswitch which is arranged on the surface layer of the detection metal rod; the lower shell is provided with a cable interface.
The redundant detection device of oil water among the above-mentioned prior art scheme is also an oil water mixture detection device, and it constitutes a "cylinder capacitance sensor" (capacitor subassembly promptly) through interior electrode barrel (detecting metal pole) and outer electrode barrel (middle part casing), then electrically connects capacitor subassembly with measuring display system to arouse the capacitance value change according to oil and water dielectric constant difference and realize the detection to oil, water content nevertheless, in the in-service use process, the oil water mixture detection device among the above-mentioned prior art scheme still has following problem: 1) the capacitance value is easily influenced by factors such as an external electric field, temperature, humidity and the like, so that the sensitivity and the detection precision of the detection device are low, and the using effect of the oil-water mixture detection device is poor; 2) water becomes the continuous phase, and along with the increase of the water content in the oil, the electric conductivity of water can lead to inner polar plate-water-outer polar plate intercommunication, and the influence that electrically conducts and produce does not have the law, and the time is big or small for it is difficult to accurately measure the content of water, leads to oil water mixture detection device's result of use to be not good equally.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: how to provide a can promote detection device's sensitivity and detection precision, and can compromise the oil water mixture detection device of oil, water content detection accuracy to can promote oil water mixture detection device's result of use.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the oil-water mixture detection device comprises a measurement display system, a fixed pipeline, a fixed disk and a capacitor assembly, wherein the fixed disk is fixedly arranged in the fixed steel pipeline and coaxially arranged with the fixed pipeline, and the capacitor assembly is arranged in the fixed pipeline and electrically connected with the measurement display system; the capacitor assembly comprises an inner electrode cylinder assembly and an outer electrode cylinder assembly;
the inner electrode cylinder assembly comprises an inner insulating cylinder, an inner electrode cylinder and an inner insulating layer, wherein the inner insulating cylinder is fixedly arranged at the axis of the fixed disc and is arranged along the axis of the fixed disc, the inner electrode cylinder is sleeved on the inner insulating cylinder, and the inner insulating layer covers the outer wall of the inner electrode cylinder; the outer electrode barrel assembly comprises an outer electrode barrel and an outer insulating layer, wherein the outer electrode barrel is arranged on the outer peripheral side of the inner electrode barrel in a clearance mode and is arranged in a clearance mode with the inner side wall of the fixed pipeline, and the outer insulating layer covers the inner wall of the outer electrode barrel; an insulating filling layer is arranged between the outer electrode cylinder and the inner side wall of the fixed pipeline, and a gap between the inner electrode cylinder and the outer electrode cylinder forms a space for flowing of an oil-water mixture.
In the scheme, the inner electrode cylinder and the outer electrode cylinder form a capacitor assembly (cylindrical capacitance sensor), when an oil-water mixture flows between the inner electrode cylinder and the outer electrode cylinder, the capacitor assembly can detect different capacitance values due to different dielectric constants of oil and water, and then the corresponding oil and water content data are calculated by the measurement display system according to the detected capacitance values. The fixed pipeline in the scheme can support and protect the capacitor assembly, the fixed pipeline forms a shielding cover to protect the capacitor assembly, the capacitance value generated by the capacitor assembly can be prevented from being influenced by an external electric field, temperature and humidity, and the insulating filling layer filled between the outer electrode cylinder and the inner side wall of the fixed pipeline can further avoid the interference of the external electric field, the temperature and the humidity, so that the sensitivity and the detection precision of the detection device are improved; in addition, one side that interior electrode section of thick bamboo and outer electrode section of thick bamboo in this scheme and oil water mixture contact covers respectively has inner insulating layer and outer insulating layer, can avoid the unsafe problem of capacitance value of capacitor unit measurement because of the electric conductivity of water leads to, can promote oil, water content testing accuracy.
Consequently, the oil-water mixture detection device in this scheme can promote detection device's sensitivity and detection precision, and can compromise oil, water content detection accuracy to can promote oil-water mixture detection device's result of use.
Preferably, both ends of the capacitor assembly are provided with equipotential ring assemblies arranged in a clearance manner; the equipotential ring assembly comprises an inner equipotential electrode cylinder which is sleeved on the inner insulating column and corresponds to the inner electrode cylinder, and an outer equipotential electrode cylinder which is arranged in a gap manner with the inner side wall of the fixed pipeline and corresponds to the outer electrode cylinder; and an insulating filling layer is arranged between the outer equipotential electrode cylinder and the inner side wall of the fixed pipeline.
In the in-service use process, the capacitance value that the capacitor subassembly measured produces the error because of the influence of edge effect easily, leads to oil, water content to detect the accuracy low to it is not good to lead to oil water mixture detection device's result of use. Aiming at the problem, the equipotential ring assemblies are respectively arranged at the two ends of the capacitor assembly, and the edge effects on the inner electrode cylinder and the outer electrode cylinder of the outer equipotential electrode cylinder are eliminated by the inner equipotential electrode cylinder and the outer equipotential electrode cylinder of the equipotential ring assemblies respectively, so that the influence of the edge effects on the capacitance value measured by the capacitor assembly can be avoided, and the accuracy of oil and water content detection can be improved.
Preferably, the gap between the capacitor assembly and the equipotential ring assembly is correspondingly filled with an insulating spacer layer.
Like this, fill the insulating space layer between capacitor pack and equipotential ring subassembly and can avoid the water among the oil-water mixture to influence equipotential ring subassembly and capacitor pack's normal work, can further eliminate the influence of edge effect to the capacitance value of capacitor pack measurement, can promote oil, water content testing accuracy.
Preferably, the insulating spacer layer is a polytetrafluoroethylene insulating filling layer.
Like this, polytetrafluoroethylene insulation filling layer has the hydrophobicity (or called hydrophobicity), and electrical property is stable, surface tension is less, is favorable to avoiding water among the oil water mixture to influence equipotential ring subassembly and capacitor assembly's normal work, can further eliminate the influence of fringe effect to the capacitance value of capacitor assembly measurement, can promote oil, water content testing accuracy.
Preferably, the distance between the equipotential ring assembly and the capacitor assembly is 2 mm; the lengths of the inner equipotential electrode cylinder and the outer equipotential electrode cylinder along the axis are both 18 mm.
Therefore, the equipotential ring assembly with the size can effectively eliminate the edge effect, avoid material waste caused by overlarge size on the premise of effectively eliminating the edge effect, and is favorable for miniaturization of the detection device.
Preferably, the inner electrode cylinder and the outer electrode cylinder are both iron-nickel alloy electrode cylinders.
Like this, the iron-nickel alloy electrode section of thick bamboo has the advantage that temperature coefficient is lower, the rigidity is better, and the influence of temperature to the capacitance value of capacitor unit measurement can be fine avoided to sensitivity and detection precision that can detection device.
Preferably, the diameter of the inner electrode cylinder is 12mm, and the diameter of the outer electrode cylinder is 99 mm; and the lengths of the inner electrode cylinder and the outer electrode cylinder along the axial line are less than or equal to 300 mm.
In the actual use process, the distance between the inner electrode cylinder and the outer electrode cylinder is very important, and once the distance is too small, the electrodes are easy to break down, the resistance of liquid is increased, the flow rate is greatly improved, and errors in capacitance value measurement are caused. Aiming at the problem, the applicant calculates the parameters such as flow pressure and the like of a fixed pipeline, and the optimal diameter size of the inner electrode cylinder and the outer electrode cylinder can ensure the measurement accuracy of the capacitance value of the capacitor assembly; in addition, the inner electrode barrel and the outer electrode barrel with the lengths within 300mm can simplify the whole structure on the premise of meeting the measurement accuracy, and are convenient to transport and install.
Preferably, the inner insulating layer and the outer insulating layer are polytetrafluoroethylene insulating layers; the thickness of the inner insulating layer and the thickness of the outer insulating layer are both 2 mm.
Therefore, the polytetrafluoroethylene insulating layer has hydrophobicity (or called hydrophobicity), stable electrical property and small surface tension, is favorable for preventing water in an oil-water mixture from influencing the normal work of the equipotential ring assembly and the capacitor assembly, can further eliminate the influence of the edge effect on the capacitance value measured by the capacitor assembly, and can improve the oil and water content detection accuracy; in addition, the polytetrafluoroethylene insulating layer with the thickness of 2mm is not easy to lose the effect of the polytetrafluoroethylene insulating layer due to damage, the sensitivity of the sensor is not influenced, and the measurement precision can be ensured.
Preferably, the fixed pipeline is a DN100 steel pipeline; the insulating filling layer is a PVC insulating filling layer.
Therefore, the DN100 steel pipeline forms a shielding cover to protect the capacitor assembly, the capacitance value generated by the capacitor assembly can be prevented from being influenced by an external electric field, temperature and humidity, and the insulating filling layer PVC insulating filling layer filled between the inner side wall of the outer electrode cylinder and the inner side wall of the fixed pipeline can further avoid the interference of the external electric field, the temperature and the humidity, so that the sensitivity and the detection precision of the detection device are improved.
Preferably, the measurement display system comprises a control module, a capacitance detection module in signal connection with the control module, and a display module electrically connected with the control module.
Like this, the capacitance value signal transmission that capacitor assembly will detect sends the electric capacity detection module, sends control module after being converted data by electric capacity detection module, can show corresponding numerical value by control module control display module, is convenient for audio-visual the content data of oil and water in the oil water mixture, is favorable to promoting oil water mixture detection device's result of use.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, in which:
FIG. 1 is a sectional side view of an oil/water mixture detecting apparatus according to an embodiment;
FIG. 2 is a logic block diagram of an oil-water mixture detection device in an embodiment.
Reference numerals in the drawings of the specification include: the electrode assembly comprises a fixed pipeline 1, a fixed disk 2, an inner insulating column 31, an inner electrode cylinder 32, an inner insulating layer 33, an outer electrode cylinder 41, an outer insulating layer 42, an insulating filling layer 43, an inner equipotential electrode cylinder 51, an outer equipotential electrode cylinder 52, an insulating spacing layer 53 and a display 6.
Detailed Description
The following is further detailed by the specific embodiments:
example (b):
the embodiment discloses an oil-water mixture detection device.
As shown in fig. 1: an oil-water mixture detection device comprises a measurement display system, a fixed pipeline 1, a fixed disk 2 which is fixedly arranged in the fixed pipeline 1 and is coaxially arranged with the fixed pipeline 1, and a capacitor assembly which is arranged in the fixed pipeline 1 and is electrically connected with the measurement display system; the capacitor assembly includes an inner electrode cylinder 32 assembly and an outer electrode cylinder 41 assembly;
the inner electrode cylinder 32 assembly comprises an inner insulating column 31 which is fixedly arranged at the axis of the fixed disc 2 and is arranged along the axis of the fixed disc 2, an inner electrode cylinder 32 which is sleeved on the inner insulating column 31, and an inner insulating layer 33 which covers the outer wall of the inner electrode cylinder 32; the outer electrode cylinder 41 assembly comprises an outer electrode cylinder 41 which is arranged at the outer periphery of the inner electrode cylinder 32 in a clearance way and is arranged at the inner side wall of the fixed pipeline 1 in a clearance way, and an outer insulating layer 42 which covers the inner wall of the outer electrode cylinder 41; an insulating filling layer 43 is arranged between the outer electrode cylinder 41 and the inner side wall of the fixed pipeline 1, and a gap between the inner electrode cylinder 32 and the outer electrode cylinder 41 forms a space for flowing oil-water mixture.
In this embodiment, the inner electrode cylinder 32 and the outer electrode cylinder 41 form a capacitor assembly (cylindrical capacitance sensor), when an oil-water mixture flows between the inner electrode cylinder 32 and the outer electrode cylinder 41, the capacitor assembly can detect different capacitance values due to different dielectric constants of oil and water, and then the measurement display system calculates corresponding oil and water content data according to the detected capacitance values. The fixed pipeline 1 in this embodiment can support and protect the capacitor assembly, and the fixed pipeline 1 itself forms a shielding case to protect the capacitor assembly, so as to prevent the external electric field, temperature and humidity from affecting the capacitance value generated by the capacitor assembly, and the insulating filling layer 43 filled between the outer electrode cylinder 41 and the inner side wall of the fixed pipeline 1 can further avoid the interference of the external electric field, temperature and humidity, thereby improving the sensitivity and detection accuracy of the detection device; in addition, the inner insulating layer 33 and the outer insulating layer 42 are respectively covered on the sides of the inner electrode cylinder 32 and the outer electrode cylinder 41 in the embodiment, which are in contact with the oil-water mixture, so that the problem of inaccurate capacitance value measured by the capacitor assembly due to the conductivity of water can be avoided, and the detection accuracy of the oil and water content can be improved.
In the specific implementation process, two ends of the capacitor assembly are respectively provided with an equipotential ring assembly arranged in a clearance manner; the equipotential ring assembly comprises an inner equipotential electrode cylinder 51 which is sleeved on the inner insulating column 31 and corresponds to the inner electrode cylinder 32, and an outer equipotential electrode cylinder 52 which is arranged in a gap with the inner side wall of the fixed pipeline 1 and corresponds to the outer electrode cylinder 41; an insulating filling layer 43 is arranged between the outer equipotential electrode cylinder 52 and the inner side wall of the fixed pipeline 1.
In the in-service use process, the capacitance value that the capacitor subassembly measured is easy to be poor to be born the error because of the influence of edge effect, leads to oil, water content to detect the accuracy low to it is not good to lead to oil water mixture detection device's result of use. To solve this problem, in this embodiment, equipotential ring assemblies are respectively disposed at two ends of the capacitor assembly, and the inner equipotential electrode cylinder 51 and the outer equipotential electrode cylinder 52 of the equipotential ring assemblies respectively eliminate the edge effect on the inner electrode cylinder 32 and the outer electrode cylinder 41 of the outer equipotential electrode cylinder 52, so that the influence of the edge effect on the capacitance value measured by the capacitor assembly can be avoided, and the accuracy of detecting the oil and water content can be improved.
In the specific implementation process, the gap between the capacitor assembly and the equipotential ring assembly is correspondingly filled with an insulating spacer 53.
Like this, fill insulating spacer 53 between capacitor pack and equipotential ring subassembly and can avoid the water among the oil water mixture to influence equipotential ring subassembly and capacitor pack's normal work, can further eliminate the influence of edge effect to the capacitance value of capacitor pack measurement, can promote oil, water content testing accuracy.
In a specific implementation process, the insulating spacer layer 53 is a teflon insulating filling layer 43.
Like this, polytetrafluoroethylene insulation filling layer 43 has the hydrophobicity (or called hydrophobicity), and electrical property is stable, surface tension is less, is favorable to avoiding water in the oil water mixture to influence the normal work of equipotential ring subassembly and capacitor assembly, can further eliminate the influence of edge effect to the capacitance value of capacitor assembly measurement, can promote oil, water content detection accuracy.
In the specific implementation process, the distance between the equipotential ring assembly and the capacitor assembly is 2 mm; the inner and outer equipotential electrode cartridges 51 and 52 are each 18mm long along the axis.
Therefore, the equipotential ring assembly with the size can effectively eliminate the edge effect, avoid material waste caused by overlarge size on the premise of effectively eliminating the edge effect, and is favorable for miniaturization of the detection device.
In the specific implementation process, the inner electrode cylinder 32 and the outer electrode cylinder 41 are both iron-nickel alloy electrode cylinders.
Like this, the iron-nickel alloy electrode section of thick bamboo has the advantage that temperature coefficient is lower, the rigidity is better, and the influence of temperature to the capacitance value of capacitor unit measurement can be fine avoided to sensitivity and detection precision that can detection device.
In the specific implementation process, the diameter of the inner electrode cylinder 32 is 12mm, and the diameter of the outer electrode cylinder 41 is 99 mm; and the lengths of the inner electrode cylinder 32 and the outer electrode cylinder 41 along the axial line are less than or equal to 300 mm.
In the actual use process, the distance between the inner electrode cylinder 32 and the outer electrode cylinder 41 is very important, and once the distance is too small, the electrodes are easy to break down, the resistance of the liquid is increased, the flow rate is greatly improved, and errors in capacitance value measurement are caused. Aiming at the problem, the applicant calculates the parameters such as the flow pressure of the fixed pipeline 1, and the optimal diameter sizes of the inner electrode cylinder 32 and the outer electrode cylinder 41 can ensure the measurement accuracy of the capacitance value of the capacitor assembly; in addition, the inner electrode cylinder 32 and the outer electrode cylinder 41 with the lengths within 300mm can simplify the whole structure on the premise of meeting the measurement accuracy, and are convenient to transport and install.
In the specific implementation process, the inner insulating layer 33 and the outer insulating layer 42 are both polytetrafluoroethylene insulating layers; the thickness of the inner insulating layer 33 and the outer insulating layer 42 are both 2 mm.
Therefore, the polytetrafluoroethylene insulating layer has hydrophobicity (or called hydrophobicity), stable electrical property and small surface tension, is favorable for preventing water in an oil-water mixture from influencing the normal work of the equipotential ring assembly and the capacitor assembly, can further eliminate the influence of the edge effect on the capacitance value measured by the capacitor assembly, and can improve the oil and water content detection accuracy; in addition, the polytetrafluoroethylene insulating layer with the thickness of 2mm is not easy to lose the effect of the polytetrafluoroethylene insulating layer due to damage, the sensitivity of the sensor is not influenced, and the measurement precision can be ensured.
In the specific implementation process, the fixed pipeline 1 is a DN100 steel pipeline; the insulating filling layer 43 is a PVC insulating filling layer 43.
Thus, the DN100 steel pipe forms a shielding case to protect the capacitor assembly, and can prevent the external electric field, temperature and humidity from affecting the capacitance value generated by the capacitor assembly, and the insulating filling layer 43PVC insulating filling layer 43 filled between the outer electrode cylinder 41 and the inner side wall of the fixed pipe 1 can further avoid the interference of the external electric field, temperature and humidity, thereby improving the sensitivity and detection accuracy of the detection device.
In the specific implementation process, as shown in fig. 2: the measurement display system comprises a control module, a capacitance detection module and a temperature detection module which are in signal connection with the control module, and a display module and an alarm module which are electrically connected with the control module. In this embodiment, the control module is an MSP43OF149 single chip microcomputer which is mature and used in the prior art; the capacitance detection module is a CAV424 integrated chip which is mature in the prior art; the temperature detection module is a DS18B20 digital temperature sensor mature in the prior art; the alarm module is a small alarm lamp which is mature in the prior art; the display module is a character type LCD C1623 type display 6 which is mature in the prior art; the connection mode between each module and the control module is very conventional.
Like this, the capacitance value signal transmission that capacitor assembly will detect sends the electric capacity detection module, sends control module after being converted data by electric capacity detection module, can show corresponding numerical value by control module control display module, is convenient for audio-visual the content data of oil and water in the oil water mixture, is favorable to promoting oil water mixture detection device's result of use.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides an oil water mixture detection device, is including measuring display system, its characterized in that: the device also comprises a fixed pipeline, a fixed disk which is fixedly arranged in the fixed pipeline and coaxially arranged with the fixed pipeline, and a capacitor assembly which is arranged in the fixed pipeline and electrically connected with the measurement display system; the capacitor assembly includes an inner electrode barrel assembly and an outer electrode barrel assembly;
the inner electrode cylinder assembly comprises an inner insulating cylinder, an inner electrode cylinder and an inner insulating layer, wherein the inner insulating cylinder is fixedly arranged at the axis of the fixed disc and is arranged along the axis of the fixed disc, the inner electrode cylinder is sleeved on the inner insulating cylinder, and the inner insulating layer covers the outer wall of the inner electrode cylinder; the outer electrode barrel assembly comprises an outer electrode barrel and an outer insulating layer, wherein the outer electrode barrel is arranged on the outer peripheral side of the inner electrode barrel in a clearance mode and is arranged in a clearance mode with the inner side wall of the fixed pipeline, and the outer insulating layer covers the inner wall of the outer electrode barrel; an insulating filling layer is arranged between the outer electrode cylinder and the inner side wall of the fixed pipeline, and a gap between the inner electrode cylinder and the outer electrode cylinder forms a space for flowing of an oil-water mixture.
2. The oil-water mixture detection device according to claim 1, wherein: both ends of the capacitor assembly are provided with equipotential ring assemblies arranged in a clearance manner; the equipotential ring assembly comprises an inner equipotential electrode cylinder which is sleeved on the inner insulating column and corresponds to the inner electrode cylinder, and an outer equipotential electrode cylinder which is arranged in a gap manner with the inner side wall of the fixed pipeline and corresponds to the outer electrode cylinder; and an insulating filling layer is arranged between the outer equipotential electrode cylinder and the inner side wall of the fixed pipeline.
3. The oil-water mixture detection device according to claim 2, wherein: the distance between the equipotential ring assembly and the capacitor assembly is 2 mm; the lengths of the inner equipotential electrode cylinder and the outer equipotential electrode cylinder along the axis are both 18 mm.
4. The oil-water mixture detection device according to claim 2, wherein: and an insulating spacing layer is correspondingly filled in a gap between the capacitor assembly and the equipotential ring assembly.
5. The oil-water mixture detection device according to claim 4, wherein: the insulating spacing layer is a polytetrafluoroethylene insulating filling layer.
6. The oil-water mixture detection device according to claim 1, wherein: the inner electrode cylinder and the outer electrode cylinder are both iron-nickel alloy electrode cylinders.
7. The oil-water mixture detection device according to claim 1, wherein: the diameter of the inner electrode cylinder is 12mm, and the diameter of the outer electrode cylinder is 99 mm; and the lengths of the inner electrode cylinder and the outer electrode cylinder along the axial line are less than or equal to 300 mm.
8. The oil-water mixture detection device according to claim 1, wherein: the inner insulating layer and the outer insulating layer are polytetrafluoroethylene insulating layers; the thickness of the inner insulating layer and the thickness of the outer insulating layer are both 2 mm.
9. The oil-water mixture detection device according to claim 1, wherein: the fixed pipeline is a DN100 steel pipeline; the insulating filling layer is a PVC insulating filling layer.
10. The oil-water mixture detection device according to claim 1, wherein: the measurement display system comprises a control module, a capacitance detection module in signal connection with the control module, and a display module electrically connected with the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020544939.5U CN211856437U (en) | 2020-04-14 | 2020-04-14 | Oil-water mixture detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020544939.5U CN211856437U (en) | 2020-04-14 | 2020-04-14 | Oil-water mixture detection device |
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| Publication Number | Publication Date |
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| CN211856437U true CN211856437U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020544939.5U Expired - Fee Related CN211856437U (en) | 2020-04-14 | 2020-04-14 | Oil-water mixture detection device |
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| CN (1) | CN211856437U (en) |
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2020
- 2020-04-14 CN CN202020544939.5U patent/CN211856437U/en not_active Expired - Fee Related
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