CN206488894U - A kind of oily leak detection warning device of high-frequency sasser capacitance method - Google Patents
A kind of oily leak detection warning device of high-frequency sasser capacitance method Download PDFInfo
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- CN206488894U CN206488894U CN201720150457.XU CN201720150457U CN206488894U CN 206488894 U CN206488894 U CN 206488894U CN 201720150457 U CN201720150457 U CN 201720150457U CN 206488894 U CN206488894 U CN 206488894U
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Abstract
The utility model discloses a kind of oily leak detection warning device of high-frequency sasser capacitance method, including tank, detector and converter, tank is arranged at the lower position of oil storage tank tank field, the detector is arranged on the water surface, the signal output part of detector connects the signal input part of converter through cable, the converted device connection power supply of power end of detector, detector includes shell and the detection circuit being arranged in shell, electrode is provided with detection circuit, the upper end of electrode and detection circuit connected in series, lower end is arranged at underwater, converter includes shell and the change-over circuit being arranged in shell, the output end of the input connection detection circuit of change-over circuit, the output end connection alarm of change-over circuit.The utility model can real-time and accurately detect fuel-displaced leakage phenomenon, and send alarm, safe and reliable.
Description
Technical field
The utility model is related to oily leakage alarm technical field, more particularly to a kind of oil leakage inspection of high-frequency sasser capacitance method
Measuring alarming device.
Background technology
In use, if the welding procedure of oil storage tank is unqualified, oil storage tank has oil leak risk to oil storage tank,
Oil spill is not only polluted to environment, and fuel leakage easily triggers fire incident, causes huge to the person and property safety
Big loss.
Existing oil sealing device is typically all to be checked by the way of personnel's regular visit, but hand inspection is difficult
Exempting from can be leaky, not only increases the workload of staff, and inspection effect is bad, and oil storage tank can not be especially found in time
Micro-leakage phenomenon.Meanwhile, regular visit is there is also temporal leak, the leakage accident that polling period occurs, cannot and
When be found that.
At present, the detection to oil storage tank is usually to use ultrasonic detecting technology, and this detection mode accuracy of detection is higher, but
It is that price is also high surprising, is completely unsuitable for the current application requirement of China.
Utility model content
The purpose of this utility model is to provide a kind of high-frequency sasser capacitance method oil leak detection warning device, Neng Goushi
When detect fuel-displaced leakage phenomenon exactly, and send alarm, it is safe and reliable.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of oily leak detection warning device of high-frequency sasser capacitance method, including tank, detector and converter, the water
Groove is arranged at the lower position of oil storage tank tank field, and the detector is arranged on the water surface, and the signal output part of detector is through cable
The signal input part of converter is connected, the converted device connection power supply of power end of detector, the detector includes shell and set
Put and electrode is provided with the detection circuit in shell, detection circuit, upper end and the detection circuit connected in series of electrode, lower end is arranged at
Underwater, the converter includes shell and the change-over circuit being arranged in shell, the input connecting detection electricity of change-over circuit
The output end on road, the output end connection alarm of change-over circuit.
The detection circuit includes mu balanced circuit, high-frequency oscillating circuits, Wheatstone bridge and amplifying circuit, Wheatstone bridge
Input connect power supply, the amplified circuit connection of output end of Wheatstone bridge through high-frequency oscillating circuits and mu balanced circuit successively
The signal input part of converter.
The upper end of the electrode is connected on Wheatstone bridge, and the lower end of electrode may be contained within underwater.
The electrode, which has, is spaced 120 degree between three, two adjacent electrodes.
The upper surface and lower surface of the detector housing are circle, and the diameter of upper surface is more than the straight of lower surface
Footpath, the side of shell is indent arc-shaped curved surface.
The detector housing is made of high temperature PVC material.
The change-over circuit includes linear voltage regulator, sampling resistor and signal processor, and the input of linear voltage regulator connects
Power supply is connect, the output end of linear voltage regulator connects the power end of signal processor, and the signal input part of signal processing circuit is through adopting
Amplifying circuit in sample circuit connection detection circuit, the signal output part of signal processor connects alarm through relay.
Delay circuit is additionally provided with the converter.
The utility model has the advantages that：
（1）Detection circuit is arranged on the water surface using the small characteristic of the density ratio water of oil, is utilized electrode by the utility model
Accurate measurement with Wheatstone bridge to electric current, to judge whether to leak, testing result is safe and reliable；
（2）Detect that circuit, using three electrode designs, greatly improves the stability of detection performance；
（3）The length of electrode can detect different-thickness and different types of oil, the scope of application according to actual adjustment
Extensively；
（4）Delay circuit is additionally provided with converter, prevents detector because wave or windage leave the water surface and send out
The alarm signal made mistake；
（5）The side of detector housing is indent arc-shaped curved surface, and detector housing upper greatly small asymmetric is set using lower
Meter, makes detector keep stable in the dipping and heaving of wave；
（6）Detector housing is made of high temperature PVC material, can avoid what is contained in the dust floated on the water surface, water
The influence to Detection results such as organic matter, body refuse, floating grass, the thin thing of flakey, improves the precision of detection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the theory diagram of detector described in the utility model；
Fig. 3 is the theory diagram of converter described in the utility model.
Embodiment
As shown in Figure 1 to Figure 3, the utility model includes tank 1, detector 2 and converter 3, and tank 1 is arranged on oil storage tank
The lower position point of tank field, it is ensured that oil spill and debris can be flowed into tank 1, and detector 2 is arranged on the water surface, detector 2
Signal output part through cable 4 connect converter 3 signal input part, in the present embodiment, detector 2 and the warp of converter 3
Cable 4 is attached by terminal box 5, and the converted connection of device 3 power supply of power end of detector 2, detector 2 is used to detect oily leakage
Situation, and by the input converter 3 of cable 4, converter 3 is used to handle the signal that detector 2 is detected, and judges whether
Generation oil leakage.
Detector 2 includes shell and the detection circuit being arranged in shell, and detection circuit includes mu balanced circuit, the higher-order of oscillation
Circuit, by R1, R2, R3 and R4 Wheatstone bridge constituted and amplifying circuit, the input of Wheatstone bridge is successively through high frequency vibrating
Circuit and mu balanced circuit connection power supply are swung, the amplified circuit of output end of Wheatstone bridge connects the signal input part of converter 3,
Electrode 6 is provided with Wheatstone bridge, in the present embodiment using three electrodes 6,120 degree are spaced between two neighboring electrode 6,
The upper end of three electrodes 6 is connected on Wheatstone bridge through electric capacity C1, and the lower end of three electrodes 6 may be contained within underwater.Electricity
The length that pole 6 is arranged at underwater is set according to the length and different types of oil of electrode.
The upper surface and lower surface of the shell of detector 2 are circle, and the diameter of upper surface is more than the diameter of lower surface, outside
The side of shell is indent arc-shaped curved surface, and the side of detector 2 is to ensure that detector 2 is kept in water using arcs of recesses design
Stable, the up big and down small design of the shell of detector 2 can also make stabilizer keep stable.In the present embodiment, detector 2 is outer
Shell is made of high temperature PVC material, can avoid organic matter, body refuse, floating grass and the squama contained in the dust floated on the water surface, water
The influence to Detection results such as thin thing of sheet, improves the precision of detection.
Converter 3 includes shell and the change-over circuit being arranged in shell, and change-over circuit includes linear voltage regulator, sampling electricity
Resistance and signal processor, the input connection power supply of linear voltage regulator, the output end connection signal processor of linear voltage regulator
Amplifying circuit in power end, the sampled circuit connection detection circuit of signal input part of signal processing circuit, signal processor
Signal output part through relay connect alarm.
Delay circuit is additionally provided with converter 3, prevents detector 2 because wave or windage leave the water surface and send
The alarm signal of mistake.Delay circuit is existing apparatus, is repeated no more.
The utility model operationally, is in contact when the oil of leakage is flowed on the water surface with electrode 6, the electrostatic around electrode 6
Appearance changes, and causes the balance of Wheatstone bridge to take a turn for the worse, and produces electric current, different, the produced electric current of oily thickness
The sampled resistance of current signal in difference, input converter 3 after electric current amplifies through amplifier, input converter 3 is converted to
After voltage signal, input signal processor is handled, then sends control signal by relay, controls alarm equipment alarm, is reminded
Staff overhauls to oil storage tank.Wherein, the operation principle of Wheatstone bridge is prior art, is repeated no more.
When three electrodes 6 detect the oil that thickness is 3-5mm, converter 3 sends alarm signal, notifies staff
Repaired；When there is any one motor to be contacted with water, detector 2 will not send alarm signal, can so prevent detection
Device 2 sends the signal of mistake in the presence of extraordinary oil leak is had no due to the influence by wave and wind-force.
In addition, the shell of detector and converter uses Explosion-proof Design, available for any severe place.
The utility model can real-time and accurately detect fuel-displaced leakage phenomenon, and send alarm, safe and reliable.
Claims (8)
1. a kind of oily leak detection warning device of high-frequency sasser capacitance method, it is characterised in that：Including tank, detector and conversion
Device, the tank is arranged at the lower position of oil storage tank tank field, and the detector is arranged on the water surface, the signal output of detector
The signal input part that converter is connected through cable is held, the converted device connection power supply of power end of detector, the detector includes
Electrode, the upper end of electrode and detection circuit connected in series are provided with shell and the detection circuit being arranged in shell, detection circuit, under
End is arranged at underwater, and the converter includes shell and the change-over circuit being arranged in shell, and the input of change-over circuit connects
Connect the output end of detection circuit, the output end connection alarm of change-over circuit.
2. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 1, it is characterised in that：It is described
Detect that circuit includes mu balanced circuit, high-frequency oscillating circuits, Wheatstone bridge and amplifying circuit, the input of Wheatstone bridge is successively
Through high-frequency oscillating circuits and mu balanced circuit connection power supply, the amplified circuit of output end of Wheatstone bridge connects the signal of converter
Input.
3. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 2, it is characterised in that：It is described
The upper end of electrode is connected on Wheatstone bridge, and the lower end of electrode may be contained within underwater.
4. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 3, it is characterised in that：It is described
Electrode, which has, is spaced 120 degree between three, two adjacent electrodes.
5. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 4, it is characterised in that：It is described
The upper surface and lower surface of detector housing are circle, and the diameter of upper surface is more than the diameter of lower surface, the side of shell
For indent arc-shaped curved surface.
6. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 5, it is characterised in that：It is described
Detector housing is made of high temperature PVC material.
7. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 2, it is characterised in that：It is described
Change-over circuit includes linear voltage regulator, sampling resistor and signal processor, and the input connection power supply of linear voltage regulator is linear steady
The output end of depressor connects the power end of signal processor, the sampled circuit connecting detection of signal input part of signal processing circuit
Amplifying circuit in circuit, the signal output part of signal processor connects alarm through relay.
8. the oily leak detection warning device of a kind of high-frequency sasser capacitance method as claimed in claim 7, it is characterised in that：It is described
Delay circuit is additionally provided with converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150457.XU CN206488894U (en) | 2017-02-20 | 2017-02-20 | A kind of oily leak detection warning device of high-frequency sasser capacitance method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150457.XU CN206488894U (en) | 2017-02-20 | 2017-02-20 | A kind of oily leak detection warning device of high-frequency sasser capacitance method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206488894U true CN206488894U (en) | 2017-09-12 |
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ID=59764667
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720150457.XU Active CN206488894U (en) | 2017-02-20 | 2017-02-20 | A kind of oily leak detection warning device of high-frequency sasser capacitance method |
Country Status (1)
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| CN (1) | CN206488894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802217A (en) * | 2017-02-20 | 2017-06-06 | 平顶山市神马万里化工股份有限公司 | A kind of high-frequency sasser capacitance method oil leak detection warning device |
-
2017
- 2017-02-20 CN CN201720150457.XU patent/CN206488894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802217A (en) * | 2017-02-20 | 2017-06-06 | 平顶山市神马万里化工股份有限公司 | A kind of high-frequency sasser capacitance method oil leak detection warning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230630 Address after: 467000 the development zone of the east section of Jianshe Road, Pingdingshan, Henan. Patentee after: HENAN SHENMA NYLON CHEMICAL Co.,Ltd. Address before: 467000 high tech Development Zone, east section of Jianshe Road, Pingdingshan City, Henan Province Patentee before: PINGDINGSHAN SHENMA WANLI CHEMICAL Co.,Ltd. |
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| TR01 | Transfer of patent right |