CN208458835U - The measuring device of conservator liquid level for project of transmitting and converting electricity - Google Patents
The measuring device of conservator liquid level for project of transmitting and converting electricity Download PDFInfo
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- CN208458835U CN208458835U CN201821013335.7U CN201821013335U CN208458835U CN 208458835 U CN208458835 U CN 208458835U CN 201821013335 U CN201821013335 U CN 201821013335U CN 208458835 U CN208458835 U CN 208458835U
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- conservator
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- pipe line
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Abstract
The utility model relates to a kind of measuring devices of conservator liquid level for project of transmitting and converting electricity, draw oil pipe line including what pressure signal acquisition device, controller and conservator connected, first pressure sensor and second pressure sensor that the vertical height oil pressure of two differences in oil pipe line is drawn in measurement are respectively used to there are two setting in pressure signal acquisition device, first pressure sensor and second pressure sensor are connect with controller, and the height of first pressure sensor is greater than the height of second pressure sensor.Compared with prior art, the utility model can increase a known quantity by two pressure sensors of setting, fluid density be eliminated convenient for later-stage utilization two hydraulic ratios, so that measuring device be made to can be adapted for different liquid.
Description
Technical field
The utility model relates to a kind of conservator level measuring technologies, more particularly, to a kind of conservator for project of transmitting and converting electricity
The measuring device of liquid level.
Background technique
In project of transmitting and converting electricity, conservator for transformer, the heat dissipation of reactor (change of current change) in use are often had,
Its method is by transformer (or reactor) in the fuel tank, due to the expanding with heat and contract with cold of transformer oil, and configuration adjustment
Store transformer oil conservator, and the normal oil mass of conservator number be the key that guarantee transformer work normally.
Such as Chinese patent CN107367313A discloses a kind of logging for measuring transformer oil conservater oil level, packet
Include through shielded cable signal pickup assembly interconnected and display control unit, set in the signal pickup assembly there are two
Pressure sensor, the pressure sensor are connect with the oil pipe line that draws being connected on oil conservater.Compared with prior art, this is practical
It is novel to provide a kind of portable oil-level measurement logging, it can be convenient and intuitively the oil level in oil conservater is surveyed
Amount.Its far from when pressure and known oil based on survey density, according to hydraulic formula p=ρ gh, it is known that three variables, solve
Depth variable measures oil level.
However as the progress of technology, the liquid placed in conservator is not necessarily oil, or the type of oil becomes more, different rings
In other words under usage scenario, the type of the oil used is different in border, and the density of all kinds of oil is different, the density of even various coolant liquids
Difference, this, above-mentioned logging just cannot achieve measurement.
Utility model content
The purpose of this utility model is exactly to provide a kind of for defeated change to overcome the problems of the above-mentioned prior art
The measuring device of the conservator liquid level of electrical engineering.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of measuring device of the conservator liquid level for project of transmitting and converting electricity, including pressure signal acquisition device, controller and
Oil pipe line is drawn in conservator connection, sets that there are two be respectively used to measurement to draw in oil pipe line two not in the pressure signal acquisition device
With the first pressure sensor and second pressure sensor of vertical height oil pressure, first pressure sensor and second pressure sensor
It is connect with controller, and the height of first pressure sensor is greater than the height of second pressure sensor.
Described one end for drawing oil pipe line is connect with conservator bottom, and the other end is connected by bellows and pressure signal acquisition device
It connects.
Pressure signal acquisition device bottom is connect by quick coupling with bellows, and the oil pipe line that draws passes through connection
Flange is connect with bellows.
The shell of the pressure signal acquisition device is fixed by the bracket in drawing on oil pipe line.
There are two the bracket is set altogether.
The diameter for drawing oil pipe line is less than 1.5 centimetres.
The diameter of pipeline, which is less than, in the pressure signal acquisition device draws 1.5 times of oil pipe line diameter.
Compared with prior art, the utility model has the advantage that
1) by two pressure sensors of setting, a known quantity can be increased, convenient for later-stage utilization two hydraulic ratios
Value eliminates fluid density, so that measuring device be made to can be adapted for different liquid.
2) thickness of oil pipe line is drawn in limitation, can reduce loss.
3) the bracket fixed form fixation pressure signal pickup assembly using between, facilitates fixation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein: 1, pressure signal acquisition device, 2, controller, 3, conservator, 4, draw oil pipe line, 5, bellows, 6, fast quick access
Head, 7, connecting flange, 8, fuel outlet valve, 9, glass pipe type oil level indicator, 10, collapsible bag, 11, respirator, 12, shielded cable, 11,
One pressure sensor, 12, second pressure sensor.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
A kind of measuring device of the conservator liquid level for project of transmitting and converting electricity, as shown in Figure 1, including pressure signal acquisition device
1, what controller 2 and conservator 3 connected draws oil pipe line 4, sets that there are two be respectively used to measurement to draw oil pipe in pressure signal acquisition device 1
The first pressure sensor 11 and second pressure sensor 12 of the vertical height oil pressure of two differences, first pressure sensor in road 4
11 and second pressure sensor 12 connect with controller 2, and the height of first pressure sensor 11 greater than second pressure sense
The height of device 12.
By the way that two pressure sensors are arranged, a known quantity can be increased, convenient for two hydraulic ratios of later-stage utilization
Fluid density is eliminated, so that measuring device be made to can be adapted for different liquid.
The one end for drawing oil pipe line 4 is connect with 3 bottom of conservator, and the other end is connected by bellows 5 and pressure signal acquisition device 1
It connects.
1 bottom of pressure signal acquisition device is connect by quick coupling 6 with bellows 5, is drawn oil pipe line 4 and is passed through connecting flange
7 connect with bellows 5.
The shell of pressure signal acquisition device 1 is fixed by the bracket in drawing on oil pipe line 4, it is preferred that bracket is equipped with two altogether
It is a.Draw the diameter of oil pipe line 4 less than 1.5 centimetres.The diameter of pipeline is less than and draws 4 diameter of oil pipe line in pressure signal acquisition device 1
1.5 times.
It is connected to and draws in use, 1 one end of signal pickup assembly passes sequentially through quick coupling 6, bellows 5 and connecting flange 7
On oil pipe line 4, the other end for drawing oil pipe line 4 is connected to 3 bottom of oil conservater.Draw and is additionally provided with fuel outlet valve 8 on oil pipe line 4, oil conservater 3
Interior to be equipped with collapsible bag 10, collapsible bag 10 is connect with the respirator 11 being connected to outside oil conservater 3.
The key means of the application are that increase is two pressure sensors in existing conservator fluid level measuring device, are belonged to
The improvement of structure, in addition, sketching measuring principle in order to keep the working principle of the application clearer, in embodiment, steps are as follows:
Acquisition first pressure sensor 11 and second pressure sensor 12 acquire hydraulic；
According to hydraulic and known two pressure sensings of the hydraulic pressure difference of two pressure sensors, first pressure sensor 11
The oil level total height on the basis of the setting height of first pressure sensor 11 is calculated in the difference in height of device setting；
Based on the oil level total height and first pressure sensor 11 on the basis of the setting height of first pressure sensor 11
Vertical height to conservator bottom calculates conservator inside liquid level height.
Wherein, the oil level total height on the basis of the setting height of first pressure sensor 11 specifically:
H1=N ÷ M × h2
Wherein: H1For the oil level total height on the basis of the setting height of first pressure sensor 11, N is first pressure sensing
Device 11 measures hydraulic, and M is the hydraulic pressure difference that two pressure sensors measure, h2For the difference in height of two pressure sensors setting.
Wherein, conservator inside liquid level height specifically:
H2=H1-h1
Wherein: H2For conservator inside liquid level height, h1It is total for the oil level on the basis of the setting height of first pressure sensor 11
Highly.
Claims (7)
1. a kind of measuring device of the conservator liquid level for project of transmitting and converting electricity, including pressure signal acquisition device (1), controller
(2) and oil pipe line (4) are drawn in conservator (3) connection, which is characterized in that set in the pressure signal acquisition device (1) there are two point
First pressure sensor (11) and the second pressure sensing for drawing the vertical height oil pressure of two differences in oil pipe line (4) Yong Yu not measured
Device (12), first pressure sensor (11) and second pressure sensor (12) are connect with controller (2), and first pressure senses
The height of device (11) is greater than the height of second pressure sensor (12).
2. a kind of measuring device of conservator liquid level for project of transmitting and converting electricity according to claim 1, which is characterized in that institute
It states and draws one end of oil pipe line (4) and connect with conservator (3) bottom, the other end passes through bellows (5) and pressure signal acquisition device (1)
Connection.
3. a kind of measuring device of conservator liquid level for project of transmitting and converting electricity according to claim 2, which is characterized in that institute
It states pressure signal acquisition device (1) bottom to connect by quick coupling (6) with bellows (5), the oil pipe line (4) that draws passes through company
Acting flange (7) is connect with bellows (5).
4. a kind of measuring device of conservator liquid level for project of transmitting and converting electricity according to claim 2, which is characterized in that institute
The shell for stating pressure signal acquisition device (1) is fixed by the bracket in drawing on oil pipe line (4).
5. a kind of measuring device of conservator liquid level for project of transmitting and converting electricity according to claim 4, which is characterized in that institute
It states there are two bracket sets altogether.
6. a kind of measuring device of conservator liquid level for project of transmitting and converting electricity according to claim 2, which is characterized in that institute
The diameter for drawing oil pipe line (4) is stated less than 1.5 centimetres.
7. a kind of measuring device of conservator liquid level for project of transmitting and converting electricity according to claim 6, which is characterized in that institute
The diameter for stating pipeline in pressure signal acquisition device (1), which is less than, draws 1.5 times of oil pipe line (4) diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013335.7U CN208458835U (en) | 2018-06-28 | 2018-06-28 | The measuring device of conservator liquid level for project of transmitting and converting electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821013335.7U CN208458835U (en) | 2018-06-28 | 2018-06-28 | The measuring device of conservator liquid level for project of transmitting and converting electricity |
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| CN208458835U true CN208458835U (en) | 2019-02-01 |
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| CN201821013335.7U Active CN208458835U (en) | 2018-06-28 | 2018-06-28 | The measuring device of conservator liquid level for project of transmitting and converting electricity |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593043A (en) * | 2018-06-28 | 2018-09-28 | 国网上海市电力公司 | The measuring apparatus of conservator liquid level for project of transmitting and converting electricity |
| CN111854884A (en) * | 2020-06-23 | 2020-10-30 | 广东电网有限责任公司 | Device and method for measuring oil quantity in transformer conservator |
-
2018
- 2018-06-28 CN CN201821013335.7U patent/CN208458835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593043A (en) * | 2018-06-28 | 2018-09-28 | 国网上海市电力公司 | The measuring apparatus of conservator liquid level for project of transmitting and converting electricity |
| CN111854884A (en) * | 2020-06-23 | 2020-10-30 | 广东电网有限责任公司 | Device and method for measuring oil quantity in transformer conservator |
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