CN202848438U - Oil level potential measurement system - Google Patents
Oil level potential measurement system Download PDFInfo
- Publication number
- CN202848438U CN202848438U CN 201220530333 CN201220530333U CN202848438U CN 202848438 U CN202848438 U CN 202848438U CN 201220530333 CN201220530333 CN 201220530333 CN 201220530333 U CN201220530333 U CN 201220530333U CN 202848438 U CN202848438 U CN 202848438U
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- ball float
- copper ball
- measuring system
- surface potential
- potential measuring
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Abstract
The utility model belongs to the technical field of flammable and explosive place detection of petrochemical engineering oil gas storage and transportation and the like, in particular to an improved oil level potential measurement system. The oil level potential measurement system comprises a static detector, a static detection probe, a high-voltage insulation testing wire and a copper floating ball, wherein the static detection probe is connected with the static detector, and is connected with the copper floating ball and the like through the high-voltage insulation testing wire in a potential mode. The oil level potential measurement system further comprises a hand-operated wire take-up device which is composed of a fixed pulley, a wire spool, a fixed terminal and a support. One end, where the high-voltage insulation testing wire is connected with the copper floating ball, bypasses the wire spool through the fixed pulley. One end, where the high-voltage insulation testing wire is connected with the static detection probe, is fixed through the fixed terminal. According to the oil level potential measurement system, defects existing in an existing oil level potential measurement system can be overcome, problems of the existing oil level potential measurement system can be respectively solved from four parts of the copper floating ball, the testing wire, the testing wire take-up and the static detector measurement terminal, and the oil level potential measurement system has the advantages of being high in test precision, safe and reliable, and easy to install and operate.
Description
Technical field
The utility model belongs to the detection technique fields, inflammable and explosive place such as petrochemical complex Oil ﹠ Gas Storage, specifically, relates to a kind of improved type oil surface potential measuring system.
Background technology
In recent years, the blast accident that causes because of storage tank pasta electrostatic discharge happens occasionally, and storage tank electrostatic charge of oil parameter measurement problem causes people's extensive concern, and oil surface potential then is to characterize the most significant parameter of electrostatic charge of oil danger.In GB6951-1986 " the safe oil surface potential value of clean cargo charge of oil ", mentioned a kind of oil surface potential measurement mechanism, but but there is following drawback in this device, affecting it uses widely: the first, and there was potential safety hazard in easy and tank skin metal object collision generation spark when the copper ball float was placed; The second, the copper ball float that floats at pasta is an electrostatic collection body, if there has been the unsteady thing of other metal on the pasta, both contacts probably cause the generation of electrostatic spark, the very large potential safety hazard of same existence; The 3rd, the ground insulation resistance of measuring system requires greater than 10
14Ω in order to achieve this end, need to hang up testing wire with polytetrafluoroethylene ring, and with the plummet balance of 0.6kg line is tightened, and this operation is very complicated, and is difficult for realizing; The 4th, measurement mechanism is subjected to the impact of environment very large, because measuring electrode generally is an open-air sphere pole, is subjected to easily the interference of humidity and wind speed, thereby affects result of a measurement.For this reason, need a kind of oil surface potential measuring system that can address the above problem, satisfy the needs of actual conditions with this.
The utility model content
The utility model provides a kind of oil surface potential measuring system, it can overcome existing drawback in the existing oil surface potential measurement, packs up with electrostatic detector measurement terminal four parts from copper ball float, testing wire, testing wire and solves respectively existing oil surface potential measuring system problem.
The technical scheme that the utility model adopts is:
A kind of oil surface potential measuring system, comprise electrostatic detector, electrostatic detection probe, High-Voltage Insulation testing wire and copper ball float, described electrostatic detection probe is connected with electrostatic detector, and described electrostatic detection probe is connected with copper ball float equal potentials by the High-Voltage Insulation testing wire.
In the technical solution of the utility model, also have following additional technical feature:
Described oil surface potential measuring system also is provided with manual take-up, described manual take-up is comprised of fixed pulley, wire spool, fixed terminal and support, the end that described High-Voltage Insulation testing wire is connected with the copper ball float is walked around wire spool through fixed pulley, and described High-Voltage Insulation testing wire is fixed through fixed terminal with the end that the electrostatic detection probe is connected.
Described High-Voltage Insulation testing wire is fixed on the copper ball float by coupling link, and described copper ball float is isolated out through insulation strut member and inferior conductor plastics, and it is outside that described inferior conductor plastics are arranged on the copper ball float by the insulated support parcel.
Described copper ball float inside is made as hollow structure, and the middle part of described copper ball float is provided with straight hole, and described copper ball float outside face is provided with polished chrome layer or silver coating.
Described insulated support is made as cylinder, and described insulated support is made as more than two rows, and described insulated support is made as on the sphere of copper ball float and evenly distributes.
Described electrostatic detection probe is for spherical, and described electrostatic detection probe outside is provided with windsheild.
Described electrostatic detector is provided with real-time displaying device.
The diameter of described copper ball float is 90mm, and the quantity of the straight hole that the middle part of described copper ball float arranges is one, and diameter is 8mm; The diameter of described insulated support is 8mm, highly is 20mm, and it evenly is distributed as three rows' structure on the sphere of copper ball float; First row is at the upper position place, and its quantity is four, evenly distributes on the sphere of copper ball float and becomes 60 degree angles with horizontal surface, and direction is for pointing to the centre of sphere of copper ball float; Second row is at the midway location place, and its quantity is eight, evenly distributes on the sphere of copper ball float and becomes 0 degree angle with horizontal surface, and direction is for pointing to the centre of sphere of copper ball float; The 3rd comes lower position, and its quantity is four, on the sphere of copper ball float, evenly distribute and with horizontal surface in angle of 45 degrees, direction is for pointing to the centre of sphere of copper ball float.
It is 10 that described inferior conductor plastics adopt surface resistivity
7~ 10
10The inferior conductor material of Ω, it is the electrostatic voltmeter of 0-20000V that described electrostatic detector adopts range, and described windsheild uses the transparent anti static plastics, and the withstand voltage of described High-Voltage Insulation testing wire is greater than the range of electrostatic voltmeter.
The surface resistivity of described inferior conductor plastics is 10
8Ω, thickness are 2mm; The withstand voltage of described High-Voltage Insulation testing wire is 60000V.
Compared with prior art, advantage of the present utility model and good effect are: a kind of oil surface potential measuring system of the present utility model, it can overcome existing drawback in the existing oil surface potential measurement, pack up with electrostatic detector measurement terminal four parts from copper ball float, testing wire, testing wire and to solve respectively existing oil surface potential measuring system problem, has the measuring accuracy height, safe and reliable, be easy to the advantage of fitting operation.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is a kind of its cutaway view of oil surface potential measuring system of the present utility model.
Among the figure, 1 is electrostatic detector, and 2 are the electrostatic detection probe, and 3 is windsheild, and 4 are the High-Voltage Insulation testing wire, 5 is manual take-up, and 6 is connecting ring, and 7 is insulated support, and 8 is inferior conductor plastics, and 9 is the copper ball float, 10 is fixed pulley, and 11 is wire spool, and 12 is fixed terminal, and 13 is support.
The specific embodiment
As shown in Figure 1, a kind of oil surface potential measuring system, comprise electrostatic detector 1, electrostatic detection probe 2, High-Voltage Insulation testing wire 4 and copper ball float 9, described electrostatic detection probe 2 is connected with electrostatic detector 1, and described electrostatic detection is popped one's head in and 2 is connected with copper ball float 9 equal potentials by High-Voltage Insulation testing wire 4; Described oil surface potential measuring system also is provided with manual take-up 5 described manual take-up 5 fixed pulleys 10, wire spool 11, fixed terminal 12 and support 13 and forms, the end that described High-Voltage Insulation testing wire 4 is connected with copper ball float 9 is walked around coiling 11 through fixed pulley 10, and described High-Voltage Insulation testing wire 4 is fixing through fixed terminal 12 with electrostatic detection probe 2 ends that are connected; Described High-Voltage Insulation testing wire 4 is fixed on the copper ball float 9 by coupling link 6, and described copper ball float 9 is isolated out with inferior conductor plastics 8 through insulation strut member 7, and described inferior conductor plastics 8 are arranged on copper ball float 9 outsides by insulated support 7 parcels; Described copper ball float 9 inside are made as hollow structure, and the middle part of described copper ball float 9 is provided with straight hole, and described copper ball float 9 outside faces are provided with the polished chrome layer; Described insulated support 7 is made as cylinder, and described insulated support 7 is made as three rows, and described insulated support 7 is made as on the sphere of copper ball float 9 and evenly distributes; Described electrostatic detection probe 2 is spherical, and described electrostatic detection 2 outsides of popping one's head in are provided with windsheild 3; Described electrostatic detector 1 is provided with real-time displaying device; The diameter of described copper ball float 9 is 90mm, and the quantity of the straight hole that the middle part of described copper ball float 9 arranges is one, and diameter is 8mm; The diameter of described insulated support 7 is 8mm, highly is 20mm, and it evenly is distributed as three rows' structure on the sphere of copper ball float 9; First row is at the upper position place, and its quantity is four, and evenly distributing on the sphere of copper ball float 9 and becoming 60 degree angles, direction with horizontal surface is the centre of sphere of sensing copper ball float 9; Second row is at the midway location place, and its quantity is eight, and evenly distributing on the sphere of copper ball float 9 and becoming 0 degree angle, direction with horizontal surface is the centre of sphere of sensing copper ball float 9; The 3rd comes lower position, and its quantity is four, on the sphere of copper ball float 9, evenly distribute and with horizontal surface in angle of 45 degrees, direction is for pointing to the centre of sphere of copper ball float 9; It is the electrostatic voltmeter of 0-20000V that described electrostatic detector 1 adopts range, and described windsheild 3 uses the transparent anti static plastics, and the withstand voltage of described High-Voltage Insulation testing wire 4 is 60000V; The surface resistivity of described inferior conductor plastics 8 is 10
8Ω, thickness are 2mm.
A kind of oil surface potential measuring system, with embodiment 1, difference is that described copper ball float outside face is provided with smooth silver coating; It is 10 that described inferior conductor plastics adopt surface resistivity
7The inferior conductor material of Ω.
A kind of oil surface potential measuring system, with embodiment 2, difference is, and described insulated support 7 is two rows, and quantity is eight altogether, and insulated support 7 is evenly to distribute on copper ball float 9 spheres, it is 10 that described inferior conductor plastics adopt surface resistivity
10The inferior conductor material of Ω.
So in use, a kind of oil surface potential measuring system of the present utility model, its windsheild 3 are arranged on electrostatic detection 2 outsides of popping one's head in, and avoid wind on the impact of electrostatic measurement; Its High-Voltage Insulation testing wire 4 uses the good testing wire of insulating power, avoids in the test process electric charge to release by wire; Its manual winding system 5 avoids test process mesohigh Insulation test line 4 to affect floating of copper ball float 9; The end that High-Voltage Insulation testing wire 4 is connected with copper ball float 9 at first by fixed pulley 10, is then walked around wire spool 12; High-Voltage Insulation testing wire 4 fixes with fixed terminal 12 with electrostatic detection probe 2 ends that are connected; According to High-Voltage Insulation testing wire 4, insulated support 7, inferior conductor plastics 8 and the gravity of copper ball float 9 four and the ascending velocity of pasta, rotate wire spool 11, avoid High-Voltage Insulation testing wire 4 to affect floating of copper ball float; Connecting ring 6 is fixed on High-Voltage Insulation testing wire 4 on the copper ball float 9, and avoids the appearance of metal burr; Insulated support 7 is with copper ball float 9 and inferior conductor plastics 8 isolated opening, and insulated support 7 is cylinder, and several rows according to circumstances are set, and evenly distributes on the ball float; Insulated support 7 can not affect contacting of oil product and copper ball float 9 when avoiding pasta to float discharging between thing and the copper ball float 9; Inferior conductor plastics 8 are wrapped in copper ball float 9 outsides by insulated support 7, and inferior conductor plastics are that surface resistivity is 10
7-10
10The inferior conductor material of Ω adopts inferior conductor plastics can avoid electrostatic charge gathering on inferior conductor plastics 8, also can avoid float high-energy discharge between the thing of itself and metal.Can determine by following content the length of withstand voltage level and the insulated support of High-Voltage Insulation testing wire 4, it is regulation among the GB6951-1986 " the safe oil surface potential value of clean cargo charge of oil ", safe oil surface potential will be lower than 12000V, consider certain safe clearance, can avoid the spark discharge of 60000V between copper ball float 9 and the unsteady thing of pasta such as insulated support 7, the punching voltage according to air is 3MV/m, thereby the shortest length that can calculate insulated support is 20mm, also is 60000V according to the withstand voltage level of above principle High-Voltage Insulation testing wire 4.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here can't give all embodiments exhaustive.Everyly belong to the row that apparent variation that the technical solution of the utility model amplifies out or change still are in protection domain of the present utility model.
Claims (10)
1. oil surface potential measuring system, comprise electrostatic detector (1), electrostatic detection probe (2), High-Voltage Insulation testing wire (4) and copper ball float (9), described electrostatic detection probe (2) is connected with electrostatic detector (1), it is characterized in that: described electrostatic detection probe (2) is connected with copper ball float (9) equal potentials by High-Voltage Insulation testing wire (4).
2. oil surface potential measuring system according to claim 1, it is characterized in that: described oil surface potential measuring system also is provided with manual take-up (5), described manual take-up (5) is comprised of fixed pulley (10), wire spool (11), fixed terminal (12) and support (13), the end that described High-Voltage Insulation testing wire (4) is connected with copper ball float (9) is walked around wire spool (11) through fixed pulley (10), and the end that described High-Voltage Insulation testing wire (4) is connected with electrostatic detection probe (2) is fixing through fixed terminal (12).
3. oil surface potential measuring system according to claim 2, it is characterized in that: High-Voltage Insulation testing wire (4) is fixed on the copper ball float (9) by coupling link (6), described copper ball float (9) is isolated out through insulation strut member (7) and inferior conductor plastics (8), and described inferior conductor plastics (8) are arranged on copper ball float (9) outside by insulated support (7) parcel.
4. oil surface potential measuring system according to claim 3, it is characterized in that: copper ball float (9) inside is made as hollow structure, and the middle part of described copper ball float (9) is provided with straight hole, and described copper ball float (9) outside face is provided with polished chrome layer or silver coating.
5. oil surface potential measuring system according to claim 4, it is characterized in that: insulated support (7) is made as cylinder, described insulated support (7) is made as more than two rows, and described insulated support (7) is made as on the sphere of copper ball float (9) and evenly distributes.
6. oil surface potential measuring system according to claim 5 is characterized in that: described electrostatic detection probe (2) is for spherical, and described electrostatic detection probe (2) outside is provided with windsheild (3).
7. oil surface potential measuring system according to claim 6, it is characterized in that: described electrostatic detector (1) is provided with real-time displaying device.
8. oil surface potential measuring system according to claim 7, it is characterized in that: the diameter of described copper ball float (9) is 90mm, and the quantity of the straight hole that the middle part of described copper ball float (9) arranges is one, and diameter is 8mm; The diameter of described insulated support (7) is 8mm, highly is 20mm, and it evenly is distributed as three rows' structure on the sphere of copper ball float (9); First row is at the upper position place, and its quantity is four, evenly distributes on the sphere of copper ball float (9) and becomes 60 degree angles with horizontal surface, and direction is for pointing to the centre of sphere of copper ball float (9); Second row is at the midway location place, and its quantity is eight, evenly distributes on the sphere of copper ball float (9) and becomes 0 degree angle with horizontal surface, and direction is for pointing to the centre of sphere of copper ball float (9); The 3rd comes lower position, and its quantity is four, on the sphere of copper ball float (9), evenly distribute and with horizontal surface in angle of 45 degrees, direction is for pointing to the centre of sphere of copper ball float (9).
9. oil surface potential measuring system according to claim 8 is characterized in that: it is 10 that described inferior conductor plastics (8) adopt surface resistivity
7~ 10
10The inferior conductor material of Ω, it is the electrostatic voltmeter of 0-20000V that described electrostatic detector (1) adopts range, and described windsheild (3) uses the transparent anti static plastics, and the withstand voltage of described High-Voltage Insulation testing wire (4) is greater than the range of electrostatic voltmeter.
10. oil surface potential measuring system according to claim 9, it is characterized in that: the surface resistivity of described inferior conductor plastics (8) is 10
8Ω, thickness are 2mm; The withstand voltage of described High-Voltage Insulation testing wire (4) is 60000V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530333 CN202848438U (en) | 2012-10-17 | 2012-10-17 | Oil level potential measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220530333 CN202848438U (en) | 2012-10-17 | 2012-10-17 | Oil level potential measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202848438U true CN202848438U (en) | 2013-04-03 |
Family
ID=47979659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220530333 Expired - Lifetime CN202848438U (en) | 2012-10-17 | 2012-10-17 | Oil level potential measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202848438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932575A (en) * | 2019-03-22 | 2019-06-25 | 广州特种机电设备检测研究院 | A kind of measuring device and method of liquid electrostatic lotus density |
| CN111198305A (en) * | 2018-11-16 | 2020-05-26 | 中国石油化工股份有限公司 | Liquid level potential sensor |
-
2012
- 2012-10-17 CN CN 201220530333 patent/CN202848438U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111198305A (en) * | 2018-11-16 | 2020-05-26 | 中国石油化工股份有限公司 | Liquid level potential sensor |
| CN109932575A (en) * | 2019-03-22 | 2019-06-25 | 广州特种机电设备检测研究院 | A kind of measuring device and method of liquid electrostatic lotus density |
| CN109932575B (en) * | 2019-03-22 | 2021-01-05 | 广州特种机电设备检测研究院 | Device and method for measuring static charge density of liquid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |