CN207742321U - A kind of power battery residual capacity measurement device - Google Patents
A kind of power battery residual capacity measurement device Download PDFInfo
- Publication number
- CN207742321U CN207742321U CN201820170658.0U CN201820170658U CN207742321U CN 207742321 U CN207742321 U CN 207742321U CN 201820170658 U CN201820170658 U CN 201820170658U CN 207742321 U CN207742321 U CN 207742321U
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- China
- Prior art keywords
- detector
- detector ontology
- voltage
- power battery
- residual capacity
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Abstract
The utility model discloses a kind of power battery residual capacity measurement devices, including detector ontology and circuit board, the front surface insertion of the detector ontology is provided with control button, and the front surface of detector ontology is embedded at the top position of control button and is provided with display screen, the upper end of the detector ontology is provided with handle.The utility model is scientific and reasonable for structure, easy-to-operate, both open circuit voltage method and Coulomb meter method are combined, improve remaining capacity measuring accuracy, the case where voltage jump is caused for current break, by the way of voltage filter, it is averaged to the cell voltage in certain time, if average battery voltage has dropped, remaining capacity is provided by discharge curve model again, essentially eliminating the remaining capacity that voltage jump is brought and measuring influences, operation is carried out using DS2780 voltameter chips and memory bar stores data, therefore many algorithms can be used to ensure the accurate measurement of remaining capacity.
Description
Technical field
The utility model is related to battery dump energy detection device technology field, specially a kind of power battery remaining capacity
Detection device.
Background technology
With the development of microelectronics, touch-control and display technology, tablet computer and smart mobile phone are more and more universal, and CPU is to more
Core develops, and screen resolution reaches 300PPI or more, and screen size is also increasing, and power consumption is big, and stand-by time shortening becomes prominent
It goes wrong, portable device is powered using lithium ion battery, to ensure the mobility of equipment, provides remaining electricity accurately and in time
Amount information becomes extremely important for user.
But it is usually detected currently on the market using open circuit voltage method and coulometer, open circuit voltage method and coulometer list
Only use can not obtain accurate remaining capacity information, and reason has the total electricity of battery that can become when temperature and discharge current change
Change, battery can encounter current break situation in discharge process, and the total electricity of battery can reduce with cell degradation, and battery is in not work
As when there are self discharges, cause capacitance loss, work at the same time that personnel are inconvenient to carry to detector, and due to the connection of detector
Lead is longer, the phenomenon that being susceptible to winding, causes to perplex for staff.
Utility model content
The utility model provides a kind of power battery residual capacity measurement device, can effectively solve in above-mentioned background technology
It is proposed that open circuit voltage method and coulometer exclusive use can not obtain accurate remaining capacity information, detector is inconvenient to carry, connection
Lead is longer, the problem of being susceptible to winding.
To achieve the above object, the utility model provides the following technical solutions：A kind of power battery residual capacity measurement dress
It sets, including detector ontology and circuit board, the front surface insertion of the detector ontology is provided with control button, and detector sheet
The front surface of body is embedded at the top position of control button and is provided with display screen, and the upper end of the detector ontology is provided with
The lower end of handle, the detector ontology is provided with disk wire box, and the front surface insertion of the disk wire box is provided with connection and draws
Line, and disk wire box is internally provided with spool, one end of the connecting lead wire is connected with detector, one end setting of the spool
There is a bearing block, the circuit board is mounted on the inside of detector ontology, and circuit board is internally provided with circuit closer, described to connect electricity
The side of device is provided with voltage filter, and the side of the voltage filter is provided with Coulomb meter, and the side of the Coulomb meter is set
Be equipped with memory bar, and the other side of Coulomb meter is provided with DS2780 voltameter chips, the detector by connecting lead wire with connect
Electric appliance is electrically connected, and the circuit closer, memory bar, Coulomb meter and voltage filter electrically connect with DS2780 voltameters chip
It connects.
As a kind of optimal technical scheme of the utility model, there are two the detector is arranged altogether, and detector is pressed
Impinge upon the front side of disk wire box.
As a kind of optimal technical scheme of the utility model, the junction of the handle and detector ontology is arranged
There is rotation seat, and handle is rotatablely connected with detector ontology by rotation seat.
As a kind of optimal technical scheme of the utility model, the connecting lead wire, which is rotated with bearing block by spool, to be connected
It connects, and the spring that is internally provided with of spool is rolled up.
As a kind of optimal technical scheme of the utility model, it is enclosed with insulation Anti-slip cover outside the detector, insulate
Anti-slip cover is a kind of component of silica gel material.
Compared with prior art, the utility model is scientific and reasonable for structure, easy-to-operate, by open circuit voltage method and coulomb
Both meter methods combine, and the case where improving remaining capacity measuring accuracy, voltage jump is caused for current break, are filtered using voltage
The mode of wave is averaged to the cell voltage in certain time, if average battery voltage has dropped, then passes through discharge curve
Model provides remaining capacity, and essentially eliminating the remaining capacity that voltage jump is brought and measuring influences, using DS2780 voltameter cores
Piece carries out operation and memory bar stores data, therefore can use the accurate measurement of many algorithms guarantee remaining capacity,
Provided with Portable handle, detector movement is set to get up more portable, operation is more convenient, is provided with spool and bearing block, energy
Enough the problem of connecting lead wire is wound, avoids winding because connecting lead wire is longer, influencing staff's normal use.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model disk wire box；
Fig. 3 is the mounting structure schematic diagram of the utility model Coulomb meter；
Figure label：1, detector ontology；2, control button；3, display screen；4, Portable handle；5, detector；6, it connects
Lead；7, disk wire box；8, spool；9, bearing block；10, circuit board；11, circuit closer；12, memory bar；13, Coulomb meter；14, voltage
Filter；15, DS2780 voltameters chip.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment：As shown in Figs. 1-3, the utility model provides a kind of technical solution, a kind of power battery remaining capacity inspection
Device, including detector ontology 1 and circuit board 10 are surveyed, the front surface insertion of detector ontology 1 is provided with control button 2, and examines
The front surface of survey device ontology 1 is embedded at the top position of control button 2 is provided with display screen 3, the upper end of detector ontology 1
It is provided with handle 4, the lower end of detector ontology 1 is provided with disk wire box 7, and the front surface insertion of disk wire box 7 is provided with connection
Lead 6, and disk wire box 7 is internally provided with spool 8, one end of connecting lead wire 6 is connected with detector 5, one end setting of spool 8
There is a bearing block 9, circuit board 10 is mounted on the inside of detector ontology 1, and circuit board 10 is internally provided with circuit closer 11, connects electricity
The side of device 11 is provided with voltage filter 14, and the side of voltage filter 14 is provided with Coulomb meter 13, the side of Coulomb meter 13
It is provided with memory bar 12, and the other side of Coulomb meter 13 is provided with DS2780 voltameters chip 15, detector 5 passes through connecting lead wire
6 with circuit closer 11 be electrically connected, circuit closer 11, memory bar 12, Coulomb meter 13 and voltage filter 14 with DS2780 voltameters
Chip 15 is electrically connected.
In order to make detector form complete circuit, in the present embodiment, it is preferred that detector 5 is examined altogether there are two settings
Gauge head 5 is according in the front side of disk wire box 7.
It is carried for the ease of user, in the present embodiment, it is preferred that handle 4 and the junction of detector ontology 1 are set
It is equipped with rotation seat, and handle 4 is rotatablely connected with detector ontology 1 by rotation seat.
In order to wind connecting lead wire 6, floor space is reduced, while also functioning to the effect of protection connecting lead wire 6, originally
In embodiment, it is preferred that connecting lead wire 6 is rotatablely connected with bearing block 9 by spool 8, and spool 8 is internally provided with spring
Volume.
It holds and operates for the ease of user, in the present embodiment, it is preferred that insulation Anti-slip cover is enclosed with outside detector 5,
The Anti-slip cover that insulate is a kind of component of silica gel material.
The operation principle and process for using of the utility model：The upper end of detector ontology 1 is provided with handle 4, makes inspection
It surveys device movement and gets up more portable, operation is more convenient, and the lower end of detector ontology 1 is provided with disk wire box 7, before disk wire box 7
Surface insertion is provided with connecting lead wire 6, and disk wire box 7 is internally provided with spool 8, and connecting lead wire 6 passes through spool with bearing block 9
8 rotation connections, connecting lead wire can be wound, avoid winding because connecting lead wire 6 is longer, influence staff's normal use
The problem of, one end of connecting lead wire 6 is connected with detector 5, and one end of spool 8 is provided with bearing block 9, and circuit board 10 is mounted on inspection
Survey the inside of device ontology 1, and circuit board 10 is internally provided with circuit closer 11, the side of circuit closer 11 is provided with voltage filter
14, the side of voltage filter 14 is provided with Coulomb meter 13, and the side of Coulomb meter 13 is provided with memory bar 12, and Coulomb meter 13
The other side is provided with DS2780 voltameters chip 15, and the design combines both open circuit voltage method and Coulomb meter method, improves remaining
Electrical measurement accuracy, the case where voltage jump is caused for current break, by the way of voltage filter, in certain time
Cell voltage be averaged, if average battery voltage has dropped, then provides remaining capacity by discharge curve model, substantially
Eliminating the remaining capacity that voltage jump is brought and measuring influences, and operation and memory bar 12 are carried out using DS2780 voltameters chip 15
Data are stored, therefore the accurate measurement of many algorithms guarantee remaining capacity can be used.
Finally it should be noted that：The foregoing is merely the preferred embodiments of the utility model, are not limited to this reality
With novel, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of power battery residual capacity measurement device, including detector ontology（1）And circuit board（10）, it is characterised in that：
The detector ontology（1）Front surface insertion be provided with control button（2）, and detector ontology（1）Front surface close to control
Button processed（2）Top position at insertion be provided with display screen（3）, the detector ontology（1）Upper end be provided with portable
Hand（4）, the detector ontology（1）Lower end be provided with disk wire box（7）, the disk wire box（7）Front surface insertion be provided with
Connecting lead wire（6）, and disk wire box（7）Be internally provided with spool（8）, the connecting lead wire（6）One end be connected with detector
（5）, the spool（8）One end be provided with bearing block（9）, the circuit board（10）Mounted on detector ontology（1）Inside,
And circuit board（10）Be internally provided with circuit closer（11）, the circuit closer（11）Side be provided with voltage filter（14）,
The voltage filter（14）Side be provided with Coulomb meter（13）, the Coulomb meter（13）Side be provided with memory bar
（12）, and Coulomb meter（13）The other side be provided with DS2780 voltameter chips（15）, the detector（5）Pass through connecting lead wire
（6）With circuit closer（11）It is electrically connected, the circuit closer（11）, memory bar（12）, Coulomb meter（13）And voltage filter（14）
With DS2780 voltameter chips（15）It is electrically connected.
2. a kind of power battery residual capacity measurement device according to claim 1, it is characterised in that：The detector
（5）Altogether there are two settings, and detector（5）According in disk wire box（7）Front side.
3. a kind of power battery residual capacity measurement device according to claim 1, it is characterised in that：The handle
（4）With detector ontology（1）Junction be provided with rotation seat, and handle（4）With detector ontology（1）Pass through rotation seat
Rotation connection.
4. a kind of power battery residual capacity measurement device according to claim 1, it is characterised in that：The connecting lead wire
（6）With bearing block（9）Pass through spool（8）Rotation connection, and spool（8）Be internally provided with spring volume.
5. a kind of power battery residual capacity measurement device according to claim 1, it is characterised in that：The detector
（5）Outside is enclosed with insulation Anti-slip cover, and insulation Anti-slip cover is a kind of component of silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170658.0U CN207742321U (en) | 2018-02-01 | 2018-02-01 | A kind of power battery residual capacity measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820170658.0U CN207742321U (en) | 2018-02-01 | 2018-02-01 | A kind of power battery residual capacity measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207742321U true CN207742321U (en) | 2018-08-17 |
Family
ID=63124256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820170658.0U Active CN207742321U (en) | 2018-02-01 | 2018-02-01 | A kind of power battery residual capacity measurement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207742321U (en) |
-
2018
- 2018-02-01 CN CN201820170658.0U patent/CN207742321U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhihe Intelligent Technology (Dongguan) Co.,Ltd. Assignor: DONGGUAN University OF TECHNOLOGY Contract record no.: X2023980030286 Denomination of utility model: A power battery residual power detection device Granted publication date: 20180817 License type: Common License Record date: 20230110 |