CN209486196U - A kind of miniature oil product sheet charge density - Google Patents
A kind of miniature oil product sheet charge density Download PDFInfo
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- CN209486196U CN209486196U CN201822277862.5U CN201822277862U CN209486196U CN 209486196 U CN209486196 U CN 209486196U CN 201822277862 U CN201822277862 U CN 201822277862U CN 209486196 U CN209486196 U CN 209486196U
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- oil product
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- charge density
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Abstract
A kind of miniature oil product sheet charge density belongs to electrostatic detection field.Including charge sensor, battery, main circuit board and sub- wiring board inside the shell is arranged；A stainless steel ball sensor and a conversion circuit plate is arranged in it, and a tetrafluoro casing is arranged in stainless steel ball sensor upper end；In tetrafluoro sleeve upper end, one screw thread spring probe is set；One tin plating pad is set on conversion circuit plate, and position and the sensor detection window of tin plating pad are correspondingly arranged；Elastic Contact between the upper end of screw thread spring probe and tin plating round pad realizes electrical connection.It uses direct contact type charge sensor, gos deep into inside oil product, and direct pick-up charges oil product charge density, and acquisition data are true and reliable；Using Charged Couple technology, oil product band power information is coupled directly into aftertreatment systems, charge No leakage, and be not affected by the external environment, system run all right, measuring accuracy height.It can be widely used for oil product transport, the charge density detection field in storing process.
Description
Technical field
The utility model belongs to electrostatic detection field more particularly to a kind of device for the detection of oil product charge density.
Background technique
In the Petroleum Production and transportational process of petrochemical enterprise, oil product and transporting equipment, transport pipeline, inside oil body
Turbulent motion between molecule can generate and accumulate a large amount of electrostatic charge, easily cause great industrial accident.
In recent years several oil depot entrucking course electrostatic electric discharges cause fire incident both at home and abroad, larger with oil product through pipelines static content
Electrostatic charge of oil amount is caused in tank to be gathered rapidly related.By detection oil depot, fuel charger interior conduit oil product carried charge height, pipe is grasped
Oil transportation product electrostatic charging situation, so that it may electrostatic charge of oil electric discharge be avoided to ignite the generation of accident to greatest extent.
Authorized announcement date is 2017.01.11, and Authorization Notice No. is the Chinese invention patent of CN 104133122B, is disclosed
A kind of electrostatic charge of oil on-line computing model, including rigid straight pipe, bar ball sensor and data processing display device；In rigid straight pipe
Both ends are respectively arranged with valvular flange, and the voltage signal in the oil pipeline sensed is transferred to pressure by bar ball sensor
Then electroceramics resonator shakes piezoelectric ceramics resonator by the piezoelectric effect of piezoelectric ceramics, and voltage is believed
Number it is converted into AC signal, the amplification of AC signal input signal, detection and shaping circuit module.
But this electrostatic charge of oil on-line computing model in structure design because, using rigid straight pipe section connection display equipment, causing
Electrostatic charge of oil on-line computing model volume is larger, and equipment is heavy, cannot be mounted on the pipeline in small space, such as domestic most
Gas recovery system for oil is installed, inner space is very narrow inside gas station's fuel charger, it is difficult to realize to fuel charger internal pipeline
The monitoring of electrostatic charge of oil；Petrochemical industry oil pipeline is located in wilderness or hazardous area often, can not arrange transmission of electricity sometimes
Network, but the equipment needs external power supply to power；There are electrostatic charge of oil parameters can only be by manually reading, the deficiencies of record.
Currently on the market not for monitoring oil product in the test equipment of production and charge density in transportational process.It is existing
Most of product is all the voltage sensor contactless with monitored oil product, directly measurement pasta electrostatic pressure, is not deep into
Inside oil product, therefore it is larger to be affected by the external environment.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of miniature oil product sheet charge densities.Using directly contact
Formula charge sensor, gos deep into inside oil product, and direct pick-up charges origin parameter --- the charge density of oil product, and acquisition data are true
Reliably；Using Charged Couple technology, oil product band power information is coupled directly into aftertreatment systems, charge No leakage, and not by
External environment influences, system run all right, and measuring accuracy is high.
The technical solution of the utility model is: a kind of miniature oil product sheet charge density is provided, including being arranged inside the shell
Charge sensor, battery, main circuit board and sub- wiring board, the shell are fixedly connected as one through attachment base and rigid straight pipe section
Body；The lower end of the charge sensor is provided with sensor detection window；It is characterized in that:
One stainless steel ball sensor and a conversion circuit plate are set；
The stainless steel ball sensor, including a stainless steel are provided with a ball in the lower end of stainless steel
Body is provided with a club pedestal in the upper end of stainless steel, in club pedestal upper end center, is provided with the rotation of screw thread spring probe
Enter hole；
In the upper end of stainless steel ball sensor, one tetrafluoro casing is set；
In the upper end of tetrafluoro casing, one screw thread spring probe is set；The lower end of the screw thread spring probe passes through tetrafluoro set
The upper end of pipe screws in club pedestal, is electrically connected with the realization of stainless steel ball sensor；
One tin plating pad is set on the conversion circuit plate, and the position of tin plating pad is corresponding with sensor detection window
Setting；
Elastic Contact between the upper end of the screw thread spring probe and tin plating round pad realizes electrical connection.
Specifically, the tetrafluoro casing runs through attachment base, concentric suit setting.
Specifically, the longitudinal axis center position of rigid straight pipe section is arranged in the sphere.
Further, seal washer 12 is provided between the tetrafluoro casing and club pedestal.
Further, the detection window and stainless steel ball sensor of charge sensor is arranged in the conversion circuit plate
Between.
Further, the conversion circuit plate is round, and center is provided with round tin plating pad.
Compared with the prior art, the utility model has the advantages that:
1. using direct contact type charge sensing arrangement, stainless steel ball sensor gos deep into inside oil product, and direct pick-up makes
Origin parameter --- the charge density of oil product electrification, more directly, more really；
2. charge sensor and stainless steel ball sensor are fixedly installed togather by tetrafluoro casing, whole device is close
Envelope, insulation, oil product band power information couple directly to charge sensor processing system, sense charge No leakage, measurement process not by
External environment influences.
3. use stainless steel ball sensor, due to head its to be spherical, structure is simple, and more with rigid straight pipe section
Match, the theoretical calculation for making it sense electrostatic charge is greatly easy, more reliable and more stable.
4. being provided with conversion circuit plate between charge sensor and stainless steel ball sensor, guarantee Charged Couple sensing
Detection range between the detection window and conversion circuit plate of device immobilizes, and will not screw in oil product because of stainless steel ball sensor
Deep mixed cause in pipeline and detection range change, and then influence detection accuracy.
5. screw thread spring probe, conversion circuit plate and screw thread are arranged between stainless steel ball sensor and conversion circuit plate
It is connected between spring probe using Elastic Contact, electrostatic charge in oil product is transmitted on the tin plating pad of circle of conversion circuit plate,
Charge sensor detects the electrostatic charge on round tin plating pad, it is ensured that stainless steel ball sensor and conversion circuit plate
Between electrical connection quality.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the positional relationship between the utility model stainless steel ball sensor, tetrafluoro casing and screw thread spring probe
Schematic diagram；
Fig. 3 is the overall structure diagram of the utility model conversion circuit plate and tin plating pad；
Fig. 4 is the overall structure diagram of the utility model stainless steel ball sensor；
Fig. 5 is the schematic enlarged-scale view in the portion A in Fig. 1.
1 is shell in figure, and 2 be charge sensor, and 3 be battery, and 4 be main wiring board, and 5 be sub- wiring board, and 6 be attachment base, 7
It is stainless steel ball sensor for rigid straight pipe section, 8,8-1 is stainless steel, and 8-2 is sphere, and 8-3 is club pedestal, and 8-4 is
Screw thread spring probe advances through hole, 9 be tetrafluoro casing, and 10 be conversion circuit plate, and 10-1 is tin plating pad, and 11 visit for screw thread spring
Needle.
Specific embodiment
The utility model is described further with reference to the accompanying drawings and examples.
In Fig. 1, Fig. 2 and Fig. 5, the technical program provides a kind of miniature oil product sheet charge density, including is arranged in shell 1
Interior charge sensor 2, battery 3, main circuit board 4 and sub- wiring board 5, the shell are solid through attachment base 6 and rigid straight pipe section 7
Surely it is connected as one；The lower end of the charge sensor is provided with sensor detection window；Its inventive point is:
One stainless steel ball sensor 8 and a conversion circuit plate 10 are set；
In the upper end of stainless steel ball sensor, one tetrafluoro casing 9 is set；
In the upper end of tetrafluoro casing, one screw thread spring probe 11 is set；The lower end of the screw thread spring probe passes through tetrafluoro
The upper end of casing screws in club pedestal, is electrically connected with the realization of stainless steel ball sensor；
One tin plating pad 10-1, the position of tin plating pad and sensor detection window are set on the conversion circuit plate
It is correspondingly arranged；
Elastic Contact between the upper end of the screw thread spring probe and tin plating round pad realizes electrical connection.
Tetrafluoro casing described in it runs through attachment base, concentric suit setting.
The longitudinal axis center position of rigid straight pipe section is arranged in sphere described in it.
Seal washer 12 is provided between the tetrafluoro casing and club pedestal.
In Fig. 3, the conversion circuit plate 10 be it is round, center is provided with round tin plating pad 10-1.
In Fig. 4, the stainless steel ball sensor, including a stainless steel 8-1, it is arranged in the lower end of stainless steel
There is a sphere 8-2, the upper end of stainless steel is provided with a club pedestal 8-3 and is provided in club pedestal upper end center
Screw thread spring probe advances through hole 8-4.
To sum up, in the technical scheme, stainless steel ball sensor is located at petroleum pipeline center position, for conducting oil product
In electrostatic charge.
The upper end of the stainless steel ball sensor screws in tetrafluoro casing, and screw thread spring probe insertion tetrafluoro casing simultaneously revolves
Enter in club, is electrically connected with the realization of bar ball；It is transmitted to the electrostatic charge in oil product on spring probe.
Its screw thread spring probe tip and the tin plating round pad of conversion circuit plate are in electrical contact, and conversion circuit plate is fixed on stainless steel
On shell, guarantee that the detection range between charge coupled sensor detection window and conversion circuit plate immobilizes, it will not be because of bar
It is deep mixed in ball sensor screw-in product pipeline that detection range is caused to change, and then influence detection accuracy.
Conversion circuit plate be it is round, there is round tin plating pad in centre；Screw thread spring probe tip and conversion circuit plate are tin plating
When circle pad electrical contact, electrostatic charge in oil product is transmitted on round tin plating pad；Charge coupled sensor plates soldering to circle
Electrostatic charge on disk is detected.
Charge sensor is placed in the top of conversion circuit plate, couples charge sensing for the electrostatic charge on bar ball sensor
In device.
Charge coupled sensor is fixed on stainless steel casing.
Anti-explosion battery is electrically connected with sub-circuit board, is powered to miniature oil product sheet charge density.
It in each threaded connection place, is sealed using sealing ring, dustproof and waterproof.
The advantages of technical solution described in the utility model:
1, using stainless steel ball sensor, due to its be it is spherical, structure is simple, and more matches with circular cylindrical pipe,
The theoretical calculation for making it sense electrostatic charge is greatly easy, and application program is reliable and stable.
2, bar ball sensor be much smaller compared with petroleum pipeline dimension (as long as mechanical strength is met the requirements, sensor body
Product can be made small), therefore to itself flow effect very little of oil product in pipeline；And oil product is turbulent flow, though there is electrode to be put into, electricity
Lotus density also approaches uniformity, also influences very little to the field distribution in pipeline, so make to measure more acurrate, true.
3, installing component (structure) and charge coupled sensor input resistance are sufficiently large, and bar ball sensor and metallic conduit are exhausted
Edge, therefore measuring system itself is without charge leakage.
4, entirely detection table size is small and exquisite, and shell uses stainless steel, compared with device in the prior art, has splendid
Antirust, sealing advantage, entire product easily seal, insulate, and full metal jacket makes measurement process not be affected by the external environment.
In addition, charge sensor involved in the technical program, is applied, Granted publication before this using the applicant
Day is on November 13rd, 2013, and Authorization Notice No. is the Chinese invention patent " Portable static detection device of CN 102353855B
And its electrostatic detection methods " disclosed in electrostatic testing apparatus, therefore its specific structure and working principle no longer describe herein.
The utility model uses direct contact type bar ball sensor, gos deep into inside oil product, and direct pick-up charges the sheet of oil product
Source parameter --- charge density, acquisition data are true and reliable；Using Charged Couple technology, oil product band power information is coupled directly to
Aftertreatment systems, charge No leakage, and be not affected by the external environment, system run all right, measuring accuracy height；It is passed in charge
It is provided with conversion circuit plate between sensor and stainless steel ball sensor, guarantees detection window and the conversion of charge coupled sensor
Detection range between circuit board immobilizes, and deep mixed in product pipeline cause will not be screwed in because of stainless steel ball sensor
And detection range changes, and then influences detection accuracy；Connected between conversion circuit plate and screw thread spring probe using Elastic Contact
It connects, electrostatic charge in oil product is transmitted on the tin plating pad of circle of conversion circuit plate, charge sensor is on round tin plating pad
Electrostatic charge detected, it is ensured that the electrical connection quality between stainless steel ball sensor and conversion circuit plate.
The utility model can be widely used for oil product transport, the charge density detection field in storing process.
Claims (6)
1. a kind of miniature oil product sheet charge density, including charge sensor, battery, main circuit board and sub-line inside the shell is arranged
Road plate, the shell are connected to one through attachment base and rigid straight pipe section；The lower end of the charge sensor is provided with
Sensor detection window；It is characterized in that:
One stainless steel ball sensor and a conversion circuit plate are set；
The stainless steel ball sensor, including a stainless steel are provided with a sphere in the lower end of stainless steel,
The upper end of stainless steel is provided with a club pedestal, in club pedestal upper end center, is provided with screw thread spring probe advances through hole；
In the upper end of stainless steel ball sensor, one tetrafluoro casing is set；
In the upper end of tetrafluoro casing, one screw thread spring probe is set；The lower end of the screw thread spring probe passes through tetrafluoro casing
Upper end screws in club pedestal, is electrically connected with the realization of stainless steel ball sensor；
One tin plating pad is set on the conversion circuit plate, and the position of tin plating pad is corresponding with sensor detection window to be set
It sets；
Elastic Contact between the upper end of the screw thread spring probe and tin plating round pad realizes electrical connection.
2. miniature oil product sheet charge density described in accordance with the claim 1, it is characterized in that the tetrafluoro casing runs through attachment base,
Concentric suit setting.
3. miniature oil product sheet charge density described in accordance with the claim 1, it is characterized in that the sphere is arranged in rigid straight pipe
The longitudinal axis center position of section.
4. miniature oil product sheet charge density described in accordance with the claim 1, it is characterized in that in the tetrafluoro casing and club base
Seal washer is provided between seat.
5. miniature oil product sheet charge density described in accordance with the claim 1, it is characterized in that the conversion circuit plate is arranged in electricity
Between the detection window and stainless steel ball sensor of lotus sensor.
6. miniature oil product sheet charge density described in accordance with the claim 1, it is characterized in that the conversion circuit plate be it is round, in
Heart position is provided with round tin plating pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277862.5U CN209486196U (en) | 2018-12-30 | 2018-12-30 | A kind of miniature oil product sheet charge density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277862.5U CN209486196U (en) | 2018-12-30 | 2018-12-30 | A kind of miniature oil product sheet charge density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209486196U true CN209486196U (en) | 2019-10-11 |
Family
ID=68129794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277862.5U Active CN209486196U (en) | 2018-12-30 | 2018-12-30 | A kind of miniature oil product sheet charge density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209486196U (en) |
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2018
- 2018-12-30 CN CN201822277862.5U patent/CN209486196U/en active Active
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