CN206945058U - Battery-fluid level height and proportion detection means - Google Patents
Battery-fluid level height and proportion detection means Download PDFInfo
- Publication number
- CN206945058U CN206945058U CN201720801367.2U CN201720801367U CN206945058U CN 206945058 U CN206945058 U CN 206945058U CN 201720801367 U CN201720801367 U CN 201720801367U CN 206945058 U CN206945058 U CN 206945058U
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- China
- Prior art keywords
- battery
- fluid level
- central processing
- ball float
- electrolyte
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Abstract
The utility model discloses battery-fluid level height and proportion detection means, including the ball float being placed on electrolysis liquid surface, ball float upper end connects a magnetic shaft, the other end of magnetic shaft is connected with the brush end for the three end adjustable potentiometers that can be moved up and down, the voltage end of the adjustable potentiometer connects power supply by divider resistance, and the input of voltage acquisition unit is connected between the voltage end and brush end of the adjustable potentiometer, the output end connection central processing unit of the voltage acquisition unit, central processing unit can judge the distance of brush end movement according to the change of adjustable potentiometer resistance, and then draw the distance of the ball float movement floated on the battery page, the height of battery-fluid level is judged indirectly.The utility model solves normal battery because long-term discharge and recharge and work, electrolyte are reduced, and in normal use after electrolyte volatilization, electrolyte tails off, and need to detect the problem of liquid level observes the amount of electrolyte.
Description
Technical field
It the utility model is related to battery technology field, and in particular to fill to a kind of battery-fluid level height and than re-detection
Put.
Background technology
Important component of the battery as DC standby power system, be ensure uninterrupted power supply visual plant and
Emergency use.In city during electrical anomaly, the chemical energy of battery is directly transformed into direct current energy and transferred out by DC power system,
Continuous operation is able to using electric equipment to go down, and provides motivational guarantee for equipment, while ensure that the safe and reliable of electric power system
Property.The guarantee that battery provides as power source, it may be said that it is that electric power system keeps the last of normal operation to insure together, it is right
The safe operation of system is significant；To ensure the operation of the long-term safety of system, it is necessary to strengthen to the daily of batteries
Maintenance management, battery liquid state is demonstrate,proved, could preferably protect battery.
Due to battery improper use, electrode is introduced through pine or electrolyte releases, and corrodes pole and binding clip, overcharge, leads
Cause the active material on pole plate to accelerate to come off, long-time heavy-current discharge, cause battery heating etc. all to cause battery
Liquid level of electrolyte changes, and proportion diminishes phenomenon.
Liquid surface measuring device and specific weight measurer in the market, battery liquid design it is not specifically applied to
Use, when being applied to battery liquid measurement, error is big, it is impossible to accurately measures correct data, weighs battery
Performance state.
Utility model content
The purpose of this utility model is to be directed to weak point existing for existing liquid level gauging technology and specific gravity test technology,
A kind of battery-fluid level height and proportion detection means are provided, makes its battery in normal work and regular maintenance, obtains more
Good guarantee and accurate data.
To achieve the above object, the technical solution of the utility model is：
Battery-fluid level height and proportion detection means, it is characterised in that：Including the ball float being placed on electrolysis liquid surface, float
Ball upper end connects the brush end company of a magnetic shaft, the other end of magnetic shaft and the three end adjustable potentiometers that can be moved up and down
Connect, the voltage end of the adjustable potentiometer connects power supply by divider resistance, and the voltage end of the adjustable potentiometer with
The input of collecting unit, the output end connection central processing unit of the collecting unit, central processing are connected between brush end
Device can judge the distance of brush end movement according to the change of adjustable potentiometer resistance, and then draw and float over floating on the battery page
The distance of ball movement, the height of battery-fluid level is judged indirectly.
Further, the periphery of the magnetic shaft is arranged with a magnet coil, magnet coil one end connection power supply, the other end
It is connected with the D poles of N-channel MOS pipe, the G poles of the N-channel MOS pipe are connected with the PWM port of the central processing unit, the N
The S poles ground connection of channel MOS tube, the central processing unit control the size of N-channel MOS tube current by PWM port signal, and then
The size of electrical current in magnet coil is controlled, and then controls the size of electrical current in magnet coil, in the electric current of the change
In the presence of, there is the magnetic field of change in magnet coil, the magneticaction that magnetic shaft is changed moves up and down, until ball float is in electric power storage
Pond also reaches new stress balance in body.
Further, the central processing unit is also associated with display unit.
The beneficial effects of the utility model are：
1) prevent that electrolyte is reduced normal battery, and electrolyte is waved in normal use because of long-term discharge and recharge and work
After hair, electrolyte tails off, and need to detect the amount of liquid level observation electrolyte；
2) proportion of electrolyte in battery is detected, regulation in time and observation electrolyte density, effectively improves battery
The problem of capacity declines and internal resistance is bigger than normal, allows battery pack to remain at optimum state, increases the service life.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model specific embodiment.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, those skilled in the art are not paying creative labor
The other embodiment obtained on the premise of dynamic, belong to the scope of the utility model protection.
As shown in figure 1, battery-fluid level height and proportion detection means, including the ball float being placed on electrolysis liquid surface, float
Ball upper end connects the brush end company of a magnetic shaft, the other end of magnetic shaft and the three end adjustable potentiometers that can be moved up and down
Connect, the voltage end of the adjustable potentiometer connects power supply by divider resistance, and the voltage end of the adjustable potentiometer with
The input of voltage acquisition unit is connected between brush end, the output end of the voltage acquisition unit connects central processing unit,
Central processing unit can judge the distance of brush end movement according to the change of adjustable potentiometer resistance, and then draw and float over battery page
The distance of ball float movement on face, the height of battery-fluid level is judged indirectly.
The periphery of the magnetic shaft is arranged with a magnet coil, magnet coil one end connection power supply, the other end and N-channel
The D poles connection of metal-oxide-semiconductor, the G poles of the N-channel MOS pipe are connected with the PWM port of the central processing unit, the N-channel MOS
The S poles ground connection of pipe.
The central processing unit is also associated with digital centralized displaying unit.
Measuring liquid level operation principle is：Ball float as measurement device is suspended in the liquid of the electrolyte in battery
On face, ball float upper end is connected to one with magnetic bar, and the side of bar is connected to one can move up and down and frictional force
The accurate adjustable potentiometer of very little and a divider resistance, and the periphery of bar covered it is one big by N-channel MOS pipe control electric current
Small magnet coil, when the liquid level of electrolyte changes, ball float will rise or decline with the height of liquid level,
The potentiometer of ball float other end connection can also be moved, and change the resistance on potentiometer, and central processing unit is detected on potentiometer
Level value draw resistance on potentiometer, further according to the change of resistance, thus measure the height change of liquid level of electrolyte.
Measurement electrolyte operation principle be：Also with ball float, it is powered to the magnet coil in the connecting rod of ball float,
Controlled by the current effective value size of coil by central processing unit output pwm signal by N-channel MOS pipe, when PWM is exported
N-channel MOS pipe is constantly in conducting state during full dutycycle, and the electric current now passed through is expressed as Imax。
In formula：U- operating voltages, it is 12V in this operating voltage, R- coil impedances can be with instrument such as universal meters
Device measures.
When PWM regulations dutycycle carrys out control electric current value, the virtual value I, I=I of the electric current flowed throughmax× D%, in formula：
The PWM duty cycle of D%- outputs.
The coil of energization can form electromagnetic field, and the magnetic field with magnetic bar and coil can form the power repelled each other, and survey
Device forms a power vertically downward by coil to bar when measuring proportion, and this power can be obtained by formula, according to public affairs
Formula F=5.1 × (IW)2×d Gδ/ d δ can try to achieve the size of power, Gδ=μ0× (KS/ δ), in formula：GδRepresent the magnetic conductance of air gap, μ0
Represent the magnetic conductivity of air, μ0=1.25 × 10-8 (prosperous/centimetre), S represents iron core plane of polarization area, according to the diameter of measurement bar
It can try to achieve, S=π × (d/2)2；π represents pi, and d represents diameter, and δ represents gas length, i.e. distance between magnetic pole, can be by liquid
Face height measuring device measures, and K represents magnetic flux, a coefficient by air gap can be expanded from pole edge, because bar and line
Almost fitting completely, takes K=1, I to represent the current effective value by coil, the current effective value of coil is by PWM herein between circle
Control, W- coil turns, can be several；
Downward electromagnetic force breaks balance of the ball float in liquid level, allows ball float to sink and a certain distance and forms new power
Balance, the distance of sinking are measured with the measuring method of liquid level, and when ball float floats in a liquid, the downward power of itself is
Self gravitation adds the gravity for the liquid that downward suffered magnetic force arranges with it equal, according to formula：F+mg=ρ gv, can be surveyed
The proportion of measuring out liq, in formula：F is electromagnetic force vertically downward, and m is the quality of measurement bar, and ρ is the density of electrolyte, g=
9.8kg/m^3, v are measurement bar displacement of volume, and proportion is also referred to as relative density, liquid specific gravity is numerically equal to for liquid specific gravity
=density/1000 (now density unit is kg/m3).
Voltage acquisition unit in battery liquid will constantly sample liquid level height change from electrolyte, by data
Feedback of the information samples in electrolyte to central processing unit, central processing unit and gathers specific gravity data, the number that central processing unit will obtain
It is believed that breath carries out calculation process, finally shown in digital centralized displaying unit.So as to obtain accurate battery-fluid level height
And the purpose of specific gravity data.Reduce battery because electrolyte is abnormal and caused by need not loss.
It should be noted that simply preferred embodiment of the present utility model described above, the utility model not office
It is limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, it is new should all belongs to this practicality
The protection domain of type.
Claims (3)
1. battery-fluid level height and proportion detection means, it is characterised in that：Including the ball float being placed on electrolysis liquid surface, ball float
Upper end connects a magnetic shaft, and the other end of magnetic shaft is connected with the brush end for the three end adjustable potentiometers that can be moved up and down,
The voltage end of the adjustable potentiometer connects power supply, and the voltage end and brush of the adjustable potentiometer by divider resistance
The input of collecting unit is connected between end, the output end connection central processing unit of the collecting unit, central processing unit can
The distance of brush end movement is judged according to the change of adjustable potentiometer resistance, and then show that the ball float floated on the battery page moves
Dynamic distance, the height of battery-fluid level is judged indirectly.
2. battery-fluid level height as claimed in claim 1 and proportion detection means, it is characterised in that：Outside the magnetic shaft
Enclose and be arranged with a magnet coil, magnet coil one end connection power supply, the other end is connected with the D poles of N-channel MOS pipe, the N-channel
The G poles of metal-oxide-semiconductor are connected with the PWM port of the central processing unit, the S poles ground connection of the N-channel MOS pipe, the central processing
Device controls the size of N-channel MOS tube current by PWM port signal, and then controls the size of electrical current in magnet coil.
3. battery-fluid level height as claimed in claim 1 or 2 and proportion detection means, it is characterised in that：The centre
Reason device is also associated with display unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801367.2U CN206945058U (en) | 2017-07-04 | 2017-07-04 | Battery-fluid level height and proportion detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801367.2U CN206945058U (en) | 2017-07-04 | 2017-07-04 | Battery-fluid level height and proportion detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945058U true CN206945058U (en) | 2018-01-30 |
Family
ID=61367091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720801367.2U Expired - Fee Related CN206945058U (en) | 2017-07-04 | 2017-07-04 | Battery-fluid level height and proportion detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945058U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411534A (en) * | 2019-09-06 | 2019-11-05 | 无锡市产品质量监督检验院 | Battery liquid level height tester |
| CN110455567A (en) * | 2019-08-26 | 2019-11-15 | 广东汇兴精工智造股份有限公司 | Closet flushing detection device |
| CN111502797A (en) * | 2020-04-20 | 2020-08-07 | 浙江师范大学 | Engine oil quality detection device |
| CN115101834A (en) * | 2022-06-10 | 2022-09-23 | 中核检修有限公司 | Storage battery maintenance device and maintenance process method |
-
2017
- 2017-07-04 CN CN201720801367.2U patent/CN206945058U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455567A (en) * | 2019-08-26 | 2019-11-15 | 广东汇兴精工智造股份有限公司 | Closet flushing detection device |
| CN110411534A (en) * | 2019-09-06 | 2019-11-05 | 无锡市产品质量监督检验院 | Battery liquid level height tester |
| CN111502797A (en) * | 2020-04-20 | 2020-08-07 | 浙江师范大学 | Engine oil quality detection device |
| CN115101834A (en) * | 2022-06-10 | 2022-09-23 | 中核检修有限公司 | Storage battery maintenance device and maintenance process method |
| CN115101834B (en) * | 2022-06-10 | 2023-07-18 | 中核检修有限公司 | Storage battery maintenance device and maintenance process method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200704 |