CN205484734U - Electric quantity detection device - Google Patents
Electric quantity detection device Download PDFInfo
- Publication number
- CN205484734U CN205484734U CN201620252136.6U CN201620252136U CN205484734U CN 205484734 U CN205484734 U CN 205484734U CN 201620252136 U CN201620252136 U CN 201620252136U CN 205484734 U CN205484734 U CN 205484734U
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- Prior art keywords
- circuit
- cadmium
- electric quantity
- microcontroller
- discharge
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the utility model provides an electric quantity detection device belongs to the electronic measurement technique field, electric quantity detection device includes signal converter, microcontroller, display and discharge circuit, the display with the discharge circuit connect respectively in microcontroller, signal converter's input connect in cadmium -nickel storage battery, output connect in microcontroller, discharge circuit connection in cadmium -nickel storage battery. Signal converter is used for gathering cadmium -nickel storage battery's electric quantity signal and formation reading and writing signal, microcontroller is used for receiving reading and writing signal and control the display with the discharge circuit, so that the display shows cadmium -nickel storage battery's electric quantity information, so that circuit control discharges cadmium -nickel storage battery's charge -discharge state. The utility model discloses can increase substantially the accuracy to cadmium -nickel storage battery's rating of merit, the effective control cadmium -nickel storage battery's charge -discharge state.
Description
Technical field
This utility model relates to electronic measuring technology field, in particular to a kind of electricity
Detection device.
Background technology
Cadmium-nickel accumulator not only has stable running voltage, enough mechanical strengths, long-term
Service life and the feature such as higher discharge-rate, but also have cryogenic property good,
Use the advantages such as temperature range width, overcharging resisting electricity and overdischarge.Cadmium-nickel accumulator is generally applicable
In DC source complexes, it both can be as power station, electric substation for high-voltage switch gear
Operation controls power supply it can also be used to not power-off device and emergency standby power etc..In existing skill
The implementation process of art at least faces following problem: cadmium-nickel accumulator is chronically at halfway
Charging and discharging state, and thus produce memory effect, thus can not be exactly to cadmium-nickel accumulator
Performance be evaluated so that the charging and discharging state of cadmium-nickel accumulator can not be efficiently controlled.
Utility model content
The purpose of this utility model embodiment is to provide a kind of electric quantity detection apparatus, it is intended to have
Memory effect produced by effect suppression cadmium-nickel accumulator, thus increase substantially cadmium nickel electric power storage
The accuracy of the performance evaluation in pond, effectively controls the charging and discharging state of cadmium-nickel accumulator.
A kind of electric quantity detection apparatus that this utility model embodiment provides, is applied to cadmium nickel electric power storage
Pond, described electric quantity detection apparatus includes signal adapter, microcontroller, display and electric discharge
Circuit, described display and described discharge circuit are connected to described microcontroller, described
The input of signal adapter is connected to described cadmium-nickel accumulator, outfan is connected to described micro-
Controller, described discharge circuit is connected to described cadmium-nickel accumulator；
Described signal adapter is used for gathering the electric quantity signal of described cadmium-nickel accumulator, and by institute
State electric quantity signal and carry out pretreatment to generate the read-write corresponding with described microcontroller,
Described microcontroller is used for receiving described read-write, and controls institute according to described read-write
State display and described discharge circuit, so that described display shows described cadmium-nickel accumulator
Information about power, so that described discharge circuit controls the charging and discharging state of described cadmium-nickel accumulator.
Preferably, described signal adapter includes filter circuit, reduction voltage circuit and analog digital conversion
Circuit, described cadmium-nickel accumulator is connected to described filter circuit, and described filter circuit is connected to
Described reduction voltage circuit, described reduction voltage circuit is connected to analog-digital conversion circuit as described, described modulus
Change-over circuit is connected to described microcontroller.
Preferably, described display includes lcd controller and LCD display, described micro-
Controller is connected to described lcd controller, and described lcd controller is connected to described LCD
Display.
Preferably, described detection device also includes that power supply, described power supply are connected to described micro-control
Device processed.
Preferably, described power supply includes supplying cell, voltage conversion circuit and reverse connecting protection electricity
Road, described supplying cell is connected to described voltage conversion circuit, and described voltage conversion circuit is even
Being connected to described reverse-connection protection circuit, described reverse-connection protection circuit is connected to described microcontroller.
Preferably, described voltage conversion circuit includes the first voltage stabilizing chip and the second voltage stabilizing chip,
Described supplying cell is connected to the input of described first voltage stabilizing chip, described first voltage stabilizing core
The outfan of sheet is connected to the input of described second voltage stabilizing chip, described second voltage stabilizing chip
Outfan be connected to described reverse-connection protection circuit.
Preferably, described supplying cell is lithium battery.
Preferably, described discharge circuit includes relay, discharge switch and discharge resistance, institute
State cadmium-nickel accumulator and described relay is connected to described microcontroller, described relay
Being connected to described discharge switch with described cadmium-nickel accumulator, described discharge resistance is connected to
Described discharge switch.
Preferably, described detection device also includes low electric quantity warning device, described low electricity report
Alarm device includes warning indicating circuit and buzz circuit, described warning indicating circuit and described honeybee
Ring circuit is connected to described microcontroller.
Preferably, described signal adapter, described microcontroller, described display and described
Discharge circuit is integrated in an internal seal with receiving space.
This utility model embodiment provide electric quantity detection apparatus, by by signal adapter,
Display and discharge circuit are connected to microcontroller, and discharge circuit is connected to cadmium-nickel accumulator,
Cadmium-nickel accumulator is made to be in charging and discharging state thoroughly all the time, it is possible to effectively suppression cadmium nickel stores
Memory effect produced by battery, thus performance to cadmium-nickel accumulator is greatly improved and comments
The accuracy of valency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to reality
Execute the required accompanying drawing used in example to be briefly described, it will be appreciated that the following drawings is only shown
Go out some embodiment of the present utility model, therefore should not be viewed as the restriction to scope,
For those of ordinary skill in the art, on the premise of not paying creative work, also
Other relevant accompanying drawings can be obtained according to these accompanying drawings.
The system of a kind of electric quantity detection apparatus that Fig. 1 provides for this utility model preferred embodiment
Block diagram.
Reference collects:
Microcontroller 101；Signal adapter 102；Display 103；Power supply 104；Electric discharge
Circuit 105；Low electric quantity warning device 106；Filter circuit 201；Reduction voltage circuit 202；Mould
Number conversion circuit 203；LCD display 301；Lcd controller 302；Supplying cell 401；
Voltage conversion circuit 402；Reverse-connection protection circuit 403；First voltage stabilizing chip 501；Second is steady
Pressure chip 502；Discharge switch 601；Relay 602；Discharge resistance 603；Report to the police and indicate
Circuit 701；Buzz circuit 702.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, under
The accompanying drawing that face will combine in this utility model embodiment, to the skill in this utility model embodiment
Art scheme is clearly and completely described, it is clear that described embodiment is that this practicality is new
The a part of embodiment of type rather than whole embodiments.Based on the enforcement in this utility model
Example, the institute that those of ordinary skill in the art are obtained under not making creative work premise
There are other embodiments, broadly fall into the scope of this utility model protection.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, because of
This, be defined in the most a certain Xiang Yi accompanying drawing, then it is right to need not in accompanying drawing subsequently
It defines further and explains.Meanwhile, in description of the present utility model, term " the
One ", " second " etc. is only used for distinguishing and describes, and it is not intended that instruction or imply relatively important
Property.
As it is shown in figure 1, a kind of electric quantity detection apparatus that this utility model embodiment provides, use
In the information about power of detection cadmium-nickel accumulator, and then cadmium-nickel accumulator can be effectively suppressed to be produced
Raw memory effect, thus performance evaluation to cadmium-nickel accumulator accurate is greatly improved
Property, effectively control the charging and discharging state of cadmium-nickel accumulator.
Wherein, cadmium-nickel storage cell is a kind of alkaline storage battery, its positive active material mainly by
Nickel is made, and negative electrode active material is mainly made up of cadmium.Its advantage be light, antidetonation and
Life-span is long, is usually used in miniaturized electronics.
In this utility model embodiment, described electric quantity detection apparatus include signal adapter 102,
Microcontroller 101, display 103 and discharge circuit 105.And described signal adapter 102
It is connected between described cadmium-nickel storage cell and described microcontroller 101, described display 103
It is connected to described microcontroller 101, described discharge circuit with described discharge circuit 105
105 are connected to described cadmium-nickel storage cell.
Based on above-mentioned hardware structure, it is to be understood that when implementing, only need to carry out simple
Function Extension described in signal adapter 102 i.e. can be used for detecting and gather described cadmium nickel electric power storage
The electric quantity signal in pond, and the electric quantity signal collected is carried out pretreatment to generate a read-write letter
Number, and described read-write is sent to described microcontroller 101 microcontroller 101.And
Described read-write can be identified by described microcontroller 101.Wherein, described pretreatment can
To include filtering, blood pressure lowering and analog digital conversion etc..Described microcontroller 101 is used for receiving described
Read-write, and export the control corresponding with described read-write according to built-in general-purpose algorithm
Signal processed, described in described control signal can be used for driving and is connected with described microcontroller 101
Display 103 and described discharge circuit 105 are operated, so that described display 103
Show the information about power corresponding with described cadmium-nickel accumulator and make described discharge circuit
The charging and discharging state of 105 pairs of described cadmium-nickel accumulators is controlled.When described microcontroller 101
When the electricity of described cadmium-nickel accumulator being detected more than the charge threshold preset, then trigger described
Described cadmium-nickel accumulator is discharged by discharge circuit 105.When described microcontroller 101 is examined
When measuring the electricity of described cadmium-nickel accumulator less than the discharge threshold preset, then close described in put
The electricity circuit 105 discharge operation to described cadmium-nickel accumulator, and described cadmium-nickel accumulator is entered
Row charges normal.By improving the accuracy to cadmium-nickel accumulator performance evaluation, effectively control
The charging and discharging state of cadmium-nickel accumulator.
Further, described signal adapter 102 can include filter circuit 201, blood pressure lowering
Circuit 202 and analog to digital conversion circuit 203.The input of described filter circuit 201 is connected to
Described cadmium-nickel accumulator, just can select the input of described filter circuit 201 during enforcement
Negative pole is corresponding with the both positive and negative polarity of described cadmium-nickel accumulator.Described filter circuit 201 is used for adopting
Collect the electric quantity signal of described cadmium-nickel accumulator, and described electric quantity signal is filtered, to disappear
The interference produced except external environment high frequency signal.And the input of described reduction voltage circuit 202
Being connected to the outfan of described filter circuit 201, described reduction voltage circuit 202 is for process
Electric quantity signal after Filtering Processing carries out blood pressure lowering, right to adapt to analog-digital conversion circuit as described 203
The requirement of input voltage.The input of analog-digital conversion circuit as described 203 is connected to described blood pressure lowering
The outfan of circuit 202, analog-digital conversion circuit as described 203 is for after blood pressure lowering processes
Electric quantity signal carry out analog digital conversion, and the electricity with described cadmium-nickel accumulator that will finally produce
In the digital electric quantity signal transmission extremely described microcontroller 101 that amount signal is corresponding.
Further, the display 103 being connected with described microcontroller 101 can include
Lcd controller 302 and LCD display 301, described lcd controller 302 is with described
LCD display 301 is connected, and described lcd controller 302 and described microcontroller 101
Delivery outlet be connected.Wherein, described microcontroller 101 receives described numeral electric quantity signal
After, will be able to send after numeral electric quantity signal being carried out computing according to default general-purpose algorithm
One display control signal gives described lcd controller 302, and described lcd controller 302 connects
Receive described display control signal and drive the display of described LCD display 301 and described numeral electricity
The information that amount signal is corresponding.
During enforcement, described detection device also includes that power supply 104, described power supply 104 are connected to
Described microcontroller 101, described power supply 104 is for providing steady for described microcontroller 101
Fixed voltage, to ensure the normal work of described microcontroller 101.
Wherein, described power supply 104 can include supplying cell 401, voltage conversion circuit 402
With reverse-connection protection circuit 403.Described supplying cell 401 can be aneroid battery, accumulator or
Lithium battery, the most described supplying cell 401 is lithium battery, and described lithium battery can include
Lithium metal battery and lithium ion battery.Described lithium battery is connected to described voltage conversion circuit
402, described voltage conversion circuit 402 is for dropping the output voltage of described lithium battery
Pressure, to adapt to the requirement to running voltage of the described microcontroller 101.And described voltage transformation
Circuit 402 can include the first voltage stabilizing chip 501 and the second voltage stabilizing chip 502, described
The input of one voltage stabilizing chip 501 is connected to described supplying cell 401, after so connecting,
So that the output voltage of described supplying cell 401 is entered by described first voltage stabilizing chip 501
Row blood pressure lowering for the first time, and the outfan of described first voltage stabilizing chip 501 is connected to described second
The input of voltage stabilizing chip 502, described second voltage stabilizing chip 502 is for through for the first time
Voltage after blood pressure lowering carries out second time blood pressure lowering, and by the voltage after described second time blood pressure lowering
It is supplied to described microcontroller 101.When being embodied as, can be at described second voltage stabilizing chip
The input of 502 and outfan connect electric capacity respectively, so connect ensure that described second steady
The output voltage of pressure chip 502 is galvanic current pressure.At described second voltage stabilizing chip 502
And between described microcontroller 101, it being also associated with reverse-connection protection circuit 403, described reversal connection is protected
The input of protection circuit 403 is connected to the outfan of described second voltage stabilizing chip 502, output
End is connected to the input of described microcontroller 101.Described reverse-connection protection circuit 403 is used for
Ensure that the both positive and negative polarity of described microcontroller 101 is corresponding with the both positive and negative polarity of described power supply 104,
Avoid due to the reversal connection destruction to described microcontroller 101.
Further, described discharge circuit 105 can include relay 602, discharge switch
601 and discharge resistance 603.Described relay 602 is connected to described microcontroller 101, and
It is provided with between the input and the outfan of described microcontroller 101 of described relay 602
Drive circuit, described drive circuit is for the control signal sending described microcontroller 101
It is amplified, to drive described relay 602 to be operated.Described relay 602 defeated
Going out end and include two output ports, connecting between said two output port has discharge switch
601, described discharge switch 601 is for controlling the connection status of said two output port.And
In said two output port, one of them output port be connected to described cadmium-nickel accumulator,
Another port is connected to one end of described discharge resistance 603, described discharge resistance 603
Other end ground connection, described microcontroller 101 is connected to described cadmium-nickel accumulator.When described micro-
When controller 101 detects the electricity of described cadmium-nickel accumulator more than the charge threshold preset,
Then sending discharge signal to described relay 602, described relay 602 is at described electric discharge letter
Number effect under be initially powered up so that described discharge switch 601 by said two export
Port is attached, and then realizes the electric discharge to described cadmium-nickel accumulator.When described microcontroller
When device 101 detects the electricity of described cadmium-nickel accumulator less than the discharge threshold preset, then to
Described relay 602 sends charging signals, and described relay 602 is at described charging signals
Effect stops energising, so that said two output port is entered by described discharge switch 601
Row disconnects, and then realizes stopping the electric discharge to described cadmium-nickel accumulator.
Further, in order to improve the man-machine interaction experience of described detection device, described detection
Device can also include low electric quantity warning device 106.And described low electric quantity warning device 106
Warning indicating circuit and buzz circuit 702, described warning indicating circuit 701 He can be included
Described buzz circuit 702 is connected to described microcontroller 101.
Connect based on above-mentioned hardware, when described microcontroller 101 detects described cadmium nickel electric power storage
When the electricity in pond is less than the charging threshold preset, the most respectively to described warning indicating circuit 701
Low electricity alarm signal is sent with described buzz circuit 702.Described warning indicating circuit 701
Light can be sent under the effect of described low electricity alarm signal, and described buzz circuit 702
Can pipe under the effect of described low electricity alarm signal.Described light and described pipe
For putting forward the information showing the need for being charged.
Further, so that described detection device is easy to carry, can be by described signal
Transducer 102, described microcontroller 101, described display 103 and described discharge circuit
105 are integrated in an internal seal with receiving space.Described sealed body structure is simple,
There is good sealing property.
This utility model embodiment provide electric quantity detection apparatus, by by signal adapter,
Display and discharge circuit are connected to microcontroller 101 so that cadmium-nickel accumulator is in all the time
Charging and discharging state thoroughly, it is possible to effectively memory effect produced by suppression cadmium-nickel accumulator,
Thus the accuracy of performance evaluation to cadmium-nickel accumulator is greatly improved, effectively control
The charging and discharging state of cadmium-nickel accumulator.
Obviously, those skilled in the art should be understood that above-mentioned this utility model embodiment
Function can realize with general calculating device, they can concentrate on single calculating
On device, or it is distributed on the network that multiple calculating device is formed, alternatively, they
Can realize with calculating the executable existing program code of device, it is thus possible to by them
Storage is performed by calculating device in the storage device, or they are fabricated to respectively
Integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated electricity
Road module realizes.So, functional realiey of the present utility model be not restricted to any specifically
Hardware and software combines.
It should be noted that in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and not
Necessarily require or imply these entities or operation between exist any this reality relation or
Person's order.And, term " includes ", " comprising " or its any other variant are intended to
Comprising of nonexcludability so that include the process of a series of key element, method, article or
Person's equipment not only includes those key elements, but also includes other key elements being not expressly set out,
Or also include the key element intrinsic for this process, method, article or equipment.?
In the case of there is no more restriction, statement " including ... " key element limited, not
Eliminating there is also other in including the process of described key element, method, article or equipment
Identical element.
The above, detailed description of the invention the most of the present utility model, but of the present utility model
Protection domain is not limited thereto, and any those familiar with the art is in this practicality
In the technical scope of novel exposure, change can be readily occurred in or replace, all should contain in this reality
Within novel protection domain.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit requires is as the criterion.
Claims (10)
1. an electric quantity detection apparatus, it is applied to cadmium-nickel accumulator, it is characterized in that, described electric quantity detection apparatus includes signal adapter, microcontroller, display and discharge circuit, described display and described discharge circuit are connected to described microcontroller, the input of described signal adapter is connected to described cadmium-nickel accumulator, outfan is connected to described microcontroller, and described discharge circuit is connected to described cadmium-nickel accumulator；
Described signal adapter is for gathering the electric quantity signal of described cadmium-nickel accumulator, and described electric quantity signal is carried out pretreatment to generate the read-write corresponding with described microcontroller, described microcontroller is used for receiving described read-write, and control described display and described discharge circuit according to described read-write, so that described display shows the information about power of described cadmium-nickel accumulator, so that described discharge circuit controls the charging and discharging state of described cadmium-nickel accumulator.
Electric quantity detection apparatus the most according to claim 1, it is characterized in that, described signal adapter includes filter circuit, reduction voltage circuit and analog to digital conversion circuit, described cadmium-nickel accumulator is connected to described filter circuit, described filter circuit is connected to described reduction voltage circuit, described reduction voltage circuit is connected to analog-digital conversion circuit as described, and analog-digital conversion circuit as described is connected to described microcontroller.
Electric quantity detection apparatus the most according to claim 1, it is characterised in that described display includes that lcd controller and LCD display, described microcontroller are connected to described lcd controller, and described lcd controller is connected to described LCD display.
Electric quantity detection apparatus the most according to claim 1, it is characterised in that described detection device also includes that power supply, described power supply are connected to described microcontroller.
Electric quantity detection apparatus the most according to claim 4; it is characterized in that; described power supply includes supplying cell, voltage conversion circuit and reverse-connection protection circuit; described supplying cell is connected to described voltage conversion circuit; described voltage conversion circuit is connected to described reverse-connection protection circuit, and described reverse-connection protection circuit is connected to described microcontroller.
Electric quantity detection apparatus the most according to claim 5; it is characterized in that; described voltage conversion circuit includes the first voltage stabilizing chip and the second voltage stabilizing chip; described supplying cell is connected to the input of described first voltage stabilizing chip; the outfan of described first voltage stabilizing chip is connected to the input of described second voltage stabilizing chip, and the outfan of described second voltage stabilizing chip is connected to described reverse-connection protection circuit.
Electric quantity detection apparatus the most according to claim 5, it is characterised in that described supplying cell is lithium battery.
Electric quantity detection apparatus the most according to claim 1, it is characterized in that, described discharge circuit includes relay, discharge switch and discharge resistance, described cadmium-nickel accumulator and described relay are connected to described microcontroller, described relay and described cadmium-nickel accumulator are connected to described discharge switch, and described discharge resistance is connected to described discharge switch.
Electric quantity detection apparatus the most according to claim 1, it is characterized in that, described detection device also includes that low electric quantity warning device, described low electric quantity warning device include that warning indicating circuit and buzz circuit, described warning indicating circuit and described buzz circuit are connected to described microcontroller.
Electric quantity detection apparatus the most according to claim 1, it is characterised in that described signal adapter, described microcontroller, described display and described discharge circuit are integrated in an internal seal with receiving space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252136.6U CN205484734U (en) | 2016-03-29 | 2016-03-29 | Electric quantity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252136.6U CN205484734U (en) | 2016-03-29 | 2016-03-29 | Electric quantity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484734U true CN205484734U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620252136.6U Expired - Fee Related CN205484734U (en) | 2016-03-29 | 2016-03-29 | Electric quantity detection device |
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| Country | Link |
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| CN (1) | CN205484734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843849A (en) * | 2017-12-05 | 2018-03-27 | 成都滕达科技有限公司 | A kind of remote supervisory device of direct-flow storage battery |
-
2016
- 2016-03-29 CN CN201620252136.6U patent/CN205484734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843849A (en) * | 2017-12-05 | 2018-03-27 | 成都滕达科技有限公司 | A kind of remote supervisory device of direct-flow storage battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160817 Termination date: 20210329 |