CN107248777A - A kind of sensor-use source based on oily formula electric capacity - Google Patents
A kind of sensor-use source based on oily formula electric capacity Download PDFInfo
- Publication number
- CN107248777A CN107248777A CN201710686106.5A CN201710686106A CN107248777A CN 107248777 A CN107248777 A CN 107248777A CN 201710686106 A CN201710686106 A CN 201710686106A CN 107248777 A CN107248777 A CN 107248777A
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- China
- Prior art keywords
- sensor
- electric capacity
- energy
- formula electric
- oily formula
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Abstract
The present invention provides a kind of sensor-use source based on oily formula electric capacity, including electricity generation module, energy-storage module and several oily formula electric capacity housings, the electricity generation module is connected with energy-storage module with wire, the electricity generation module is between two oily formula electric capacity housings, nature deformation occurs during oily formula electric capacity works for the oily formula electric capacity housing, the electricity generation module produces a certain amount of electric energy when being squeezed, the energy-storage module is stored after the electric energy is changed, and is used for providing the sensor near the sensor-use source.The sensor-use source based on oily formula electric capacity in the present invention, produces electric energy, to solve the powerup issue of oily formula capacitative end sensor using the natural deformation of oily formula electric capacity housing in use.
Description
Technical field
The present invention relates to power technique fields, and in particular to a kind of sensor-use source based on oily formula electric capacity.
Background technology
According to the use needs of different scenes, the terminal of oily formula electric capacity is typically fitted with sensor, if desired for monitoring oil
One pressure sensor can be installed, it is necessary to which a temperature can be installed when monitoring the temperature of oily formula electric capacity during oil pressure inside formula electric capacity
Sensor, sensor operationally needs the power supply of a power supply to supply power for, in the prior art, general to be powered using battery
Or external power supply is powered, but (1) according to battery when powering, because battery electric quantity is limited, it is necessary to periodic maintenance or replacing, no
Beneficial to long-term use；(2), it is necessary to which a large amount of in limited space arrange power lines, and low pressure when being powered according to external power supply
The electric wire high frequency noise that cabling can be produced by electric capacity between electric capacity is disturbed.
In view of drawbacks described above, creator of the present invention obtains the present invention finally by prolonged research and practice.
The content of the invention
To solve the above problems, the technical solution adopted by the present invention is that there is provided a kind of sensor based on oily formula electric capacity
With power supply, including electricity generation module, energy-storage module and several oily formula electric capacity housings, the electricity generation module and energy-storage module wire
Connection, the electricity generation module is between two oily formula electric capacity housings, and the oily formula electric capacity housing works in oily formula electric capacity
Nature deformation occurs for period, and the electricity generation module produces a certain amount of electric energy when being squeezed, and the energy-storage module will be described
Stored, used for providing the sensor near the sensor-use source after electric energy conversion.
Further, sensor power consumption calculation formula hourly is：
Q1=I × t × n3
Wherein, Q1For sensor power consumption hourly, I is the electricity of continuous firing after starting for the sensor
Flow valuve, t is the time of the continuous firing, n3For the sensor number of starts hourly；
Therefore the energy-storage module stored energy capacitance hourly meets following calculation formula：
Wherein, C is energy-storage module stored energy capacitance hourly, Q1For sensor power consumption hourly, U1For
The full piezoelectric voltage value of the energy-storage module, U2For the discharge cut-off voltage value of the energy-storage module；
The electricity calculation formula that the electricity generation module is produced per hour is：
Qf=Q0×n1
Wherein, QfThe electricity produced per hour for the electricity generation module, Q0Produced by being extruded 1 time for the electricity generation module
Electricity, n1For the number of times of the oily formula electric capacity housing deformation per hour, the QfMeet Qf＞ Q1。
Further, the electricity generation module is composed in parallel by several piezoelectric ceramic pieces.
Further, the direction of the extruding is transverse shear stress.
Further, the energy-storage module is made up of several super capacitors.
Further, the sensor is arranged on the outside or inside of the oily formula electric capacity.
Compared with the prior art the beneficial effects of the present invention are：1. the sensor based on oily formula electric capacity in the present invention is used
Power supply, produces electric energy, to solve oily formula capacitative end sensor using the natural deformation of oily formula electric capacity housing in use
Powerup issue；2. ensureing that generated energy is sufficient, the power consumption usage amount of sensor is met；3. imitated using the positive piezoelectricity of piezoelectric ceramic piece
Should and sensitiveness, faint mechanical energy is converted into electric energy；4. energy-accumulating medium, charge and discharge circulation life are used as using super capacitor
It is long, and charging is rapid.
Brief description of the drawings
Fig. 1 is the structural representation Fig. 1 in the sensor-use source of the invention based on oily formula electric capacity；
Fig. 2 is the structural representation Fig. 2 in the sensor-use source of the invention based on oily formula electric capacity.
Embodiment
Below in conjunction with accompanying drawing, the forgoing and additional technical features and advantages are described in more detail.
Embodiment one
Refer to shown in Fig. 1, it is the structural representation Fig. 1 in the sensor-use source of the invention based on oily formula electric capacity.
As shown in figure 1, a kind of sensor-use source based on oily formula electric capacity, if including electricity generation module 1, energy-storage module 2 and
Dry oily formula electric capacity housing 3, the electricity generation module 1 is connected with energy-storage module 2 with wire, and the electricity generation module 1 is located at two institutes
State between oily formula electric capacity housing 3, nature deformation, the generating occur during oily formula electric capacity 4 works for the oily formula electric capacity housing 3
Module 1 produces a certain amount of electric energy when being squeezed, and the energy-storage module 2 is stored after the electric energy is changed, is used for
The sensor 5 near the sensor-use source is provided to use.
Wherein, oily itself volume of formula electric capacity 4 is big, and oily formula electric capacity housing during thermal expansion pyrocondensation occurs during operation
3 occur the deflection of nature deformation greatly, and the both sides of the electricity generation module 1 are close in the outer wall of two oily formula electric capacity housings 3 respectively
On, the electricity generation module 1 is made up of piezoelectric, can produce voltage, the piezoelectricity when it is extruded by external force between both ends of the surface
Material is generally divided into piezo-electric crystal and piezoelectric ceramics, and electricity generation module 1 described in the present embodiment is made up of several piezoelectric ceramic pieces,
It is connected in parallel between the piezoelectric ceramic piece, the piezoelectric ceramic piece its two ends after polarization occur bound charge, therefore
One layer can be adsorbed on electrode surface from extraneous free charge, when applying an external force to the piezoelectric ceramic piece, its two
End electric discharge phenomena occur, piezoelectric ceramic piece described in the present embodiment by the transverse shear stress of the oily formula electric capacity housing 3 power,
Then produced electricity is passed into the energy-storage module 2 to store, the energy-storage module 2 is energy-accumulating medium, and it is by can charge and discharge
The material of electricity is prepared from, i.e., described energy-accumulating medium can store the electric energy produced by the piezoelectric ceramic piece, and needs when
Wait, the electric energy of storage is released to the sensor 5, it is this to utilize the direct piezoelectric effect of the piezoelectric ceramic piece and its sensitivity
Property, faint mechanical energy can be converted into electric energy, and electric energy is stored in real time with the energy-accumulating medium, for the sensing
Device 5 is used when working.
During the oily continuous firing of formula electric capacity 4, the generation nature deformation of the oily not timing of formula electric capacity housing 3, institute
State sensor 5 by certain frequency periodically to start, the electricity generation module 1 is squeezed produced electricity by electricity generation module 1 every time
Material property determine that the stored energy capacitance of the energy-storage module 2 determines by the characteristic of the energy-accumulating medium, the electricity generation module 1
It can be selected with the specification of energy-storage module 2 according to the power consumption size of the sensor 5, to meet the sensor 5
It is sufficient with the delivery of power supply.
The sensor-use source based on oily formula electric capacity in the present invention, using oily formula electric capacity housing 3 in use
Naturally deformation produces electric energy, to solve the powerup issue of the oily end sensor 5 of formula electric capacity 4.
Embodiment two
A kind of sensor-use source based on oily formula electric capacity as described above, the present embodiment is different from part and is, institute
State energy-storage module 2 to be made up of several super capacitors, the super capacitor is as energy-accumulating medium, and its charge and discharge circulation life is ten
More than ten thousand times, retention of charge is strong, and electrical leakage quantity is small, and charging is rapid.
Embodiment three
A kind of sensor-use source based on oily formula electric capacity as described above, the present embodiment is different from part and is, institute
Stating the power consumption calculation formula hourly of sensor 5 is：
Q1=I × t × n3
Wherein, Q1For the sensor 5 power consumption hourly, I is continuous firing after starting for the sensor 5
Current value, t is the time of the continuous firing, n3For the sensor 5 number of starts hourly；
Therefore the energy-storage module 2 stored energy capacitance hourly meets following calculation formula：
Wherein, C is the energy-storage module 2 stored energy capacitance hourly, Q1For the sensor 5 power consumption hourly, U1
For the full piezoelectric voltage value of the energy-storage module 2, U2For the discharge cut-off voltage value of the energy-storage module 2；
The electricity calculation formula that the electricity generation module 1 is produced per hour is：
Qf=Q0×n1
Wherein, QfThe electricity produced per hour for the electricity generation module 1, Q0Produced by being extruded 1 time for the electricity generation module 1
Electricity, n1For the number of times of the oily deformation per hour of formula electric capacity housing 3, the QfMeet Qf＞ Q1。
As described above, during oily 4 continuous firing of formula electric capacity one hour, the electricity Q that the electricity generation module 1 is producedf
More than the power consumption Q of the sensor 51, power consumption Q of the electricity also greater than the sensor 5 that the energy-storage module 2 is stored1,
So, it is ensured that generated energy is sufficient, meets the power consumption usage amount of sensor 5.
It is exemplified below：
During oily 4 continuous firing of formula electric capacity one hour, the sensor 5 is when the voltage of energy-storage module 2 reaches 6V
Automatically turn on, voltage is closed automatically when being less than 4.2V, needs a follow current to power after unlatching, the parameter of the sensor 5
It is 5V for voltage, I is 5mA, and t is 15s, n3For 1 time, the power consumption that can be calculated the sensor 5 is：
Q1=I × t × n3=0.005 × 15 × 1=0.045C
When the energy-storage module 2 takes U1=6V, U2During=4.5V, then the stored energy capacitance that the energy-storage module 2 needs is：
When the energy-storage module 2 uses super capacitor as energy-accumulating medium, then the parameter for choosing super capacitor monomer is：
2V, 0.02F, the quantity of the super capacitor monomer is three, and it is connected in series each other, obtains the super capacitor of energy-storage module 2
The total parameter of group：6V, 0.0067F.
The oily volume of formula electric capacity 4 is larger, and the electricity generation module 1 uses n2Individual piezoelectric ceramic piece is composed in parallel, this implementation
The material that piezoelectric ceramic piece is chosen in example is PZT-5H, and its main data see the table below：
If 4 continuous firing of oily formula electric capacity is during one hour, n1=6 times, the then total electricity that the electricity generation module 1 is produced
For：
Qf=Q0×n1=Q × n2×n1=0.002 × n2× 6=0.012n2C
Due to Qf＞ Q1, i.e. 0.012n2C>0.045C, then n2At least take n2=4, so that the electricity generation module 1 is met
The requirement for being full of the super capacitor of the energy-storage module 2 in one hour.
Example IV
A kind of sensor-use source based on oily formula electric capacity as described above, the present embodiment exists with the difference of embodiment one
In, the sensor 5 is arranged on the outside or inside of the oily formula electric capacity 4, as shown in figure 1, the sensor 5 be arranged on it is described
The outside of oily formula electric capacity 4, the sensor 5 is generally temperature sensor, for monitoring the temperature outside oily formula electric capacity 4；Such as Fig. 2
Shown, the sensor 5 is arranged on the inside of the oily formula electric capacity 4, and the sensor 5 is generally pressure sensor or temperature is passed
Sensor, the pressure sensor is used to monitor the oil pressure inside oily formula electric capacity 4, and the temperature sensor is used to monitor oily formula electric capacity
Temperature inside 4.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (6)
1. a kind of sensor-use source based on oily formula electric capacity, it is characterised in that including electricity generation module, energy-storage module and several
Oily formula electric capacity housing, the electricity generation module is connected with energy-storage module with wire, and the electricity generation module is located at two oily formula electricity
Hold housing between, the oily formula electric capacity housing oily formula electric capacity work during occur nature deformation, the electricity generation module by
A certain amount of electric energy is produced during extruding, the energy-storage module is stored after the electric energy is changed, for providing located at described
Sensor near sensor-use source is used.
2. the sensor-use source according to claim 1 based on oily formula electric capacity, it is characterised in that the sensor is per small
When power consumption calculation formula be：
Q1=I × t × n3
Wherein, Q1For sensor power consumption hourly, I is the current value of continuous firing after starting for the sensor,
T is the time of the continuous firing, n3For the sensor number of starts hourly；
Therefore the energy-storage module stored energy capacitance hourly meets following calculation formula：
<mrow>
<mi>C</mi>
<mo>></mo>
<mfrac>
<mrow>
<mn>2</mn>
<mo>&times;</mo>
<msub>
<mi>Q</mi>
<mn>1</mn>
</msub>
</mrow>
<mrow>
<msup>
<msub>
<mi>U</mi>
<mn>1</mn>
</msub>
<mn>2</mn>
</msup>
<mo>-</mo>
<msup>
<msub>
<mi>U</mi>
<mn>2</mn>
</msub>
<mn>2</mn>
</msup>
</mrow>
</mfrac>
</mrow>
Wherein, C is energy-storage module stored energy capacitance hourly, Q1For sensor power consumption hourly, U1To be described
The full piezoelectric voltage value of energy-storage module, U2For the discharge cut-off voltage value of the energy-storage module；
The electricity calculation formula that the electricity generation module is produced per hour is：
Qf=Q0×n1
Wherein, QfThe electricity produced per hour for the electricity generation module, Q0Electricity produced by being extruded 1 time for the electricity generation module,
n1For the number of times of the oily formula electric capacity housing deformation per hour, the QfMeet Qf＞ Q1。
3. the sensor-use source according to claim 1 or 2 based on oily formula electric capacity, it is characterised in that the generating mould
Block is composed in parallel by several piezoelectric ceramic pieces.
4. the sensor-use source according to claim 3 based on oily formula electric capacity, it is characterised in that the direction of the extruding
For transverse shear stress.
5. the sensor-use source according to claim 1 or 2 based on oily formula electric capacity, it is characterised in that the energy storage mould
Block is made up of several super capacitors.
6. the sensor-use source according to claim 1 based on oily formula electric capacity, it is characterised in that the sensor is set
In the outside or inside of the oily formula electric capacity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710686106.5A CN107248777A (en) | 2017-08-11 | 2017-08-11 | A kind of sensor-use source based on oily formula electric capacity |
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| CN201710686106.5A CN107248777A (en) | 2017-08-11 | 2017-08-11 | A kind of sensor-use source based on oily formula electric capacity |
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| CN107248777A true CN107248777A (en) | 2017-10-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203839996U (en) * | 2013-12-23 | 2014-09-17 | 贸彦企业有限公司 | Portable energy storage generating set |
| CN106487047A (en) * | 2015-08-26 | 2017-03-08 | 中国电力科学研究院 | Electric power system in conjunction with the low-power consumption on-line monitoring equipment of efficient ultracapacitor |
| CN207150463U (en) * | 2017-08-11 | 2018-03-27 | 宁波市江北九方和荣电气有限公司 | A kind of sensor-use source |
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2017
- 2017-08-11 CN CN201710686106.5A patent/CN107248777A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203839996U (en) * | 2013-12-23 | 2014-09-17 | 贸彦企业有限公司 | Portable energy storage generating set |
| CN106487047A (en) * | 2015-08-26 | 2017-03-08 | 中国电力科学研究院 | Electric power system in conjunction with the low-power consumption on-line monitoring equipment of efficient ultracapacitor |
| CN207150463U (en) * | 2017-08-11 | 2018-03-27 | 宁波市江北九方和荣电气有限公司 | A kind of sensor-use source |
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Application publication date: 20171013 |
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