CN205920152U - Cell voltage detection circuit and vibrissa ware - Google Patents
Cell voltage detection circuit and vibrissa ware Download PDFInfo
- Publication number
- CN205920152U CN205920152U CN201620762853.3U CN201620762853U CN205920152U CN 205920152 U CN205920152 U CN 205920152U CN 201620762853 U CN201620762853 U CN 201620762853U CN 205920152 U CN205920152 U CN 205920152U
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- Prior art keywords
- detection circuit
- voltage detection
- resistor
- battery voltage
- battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Primary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model discloses a cell voltage detection circuit and vibrissa ware. This cell voltage detection circuit includes the control unit, an analog -to -digital converte, inputoutput interface, first resistor and second resistor, first resistor and second resistor constitute bleeder circuit, the first end and the battery of first resistor are connected, the second end of first resistor is connected with the first end of second resistor, adc is connected with the first end of second resistor, inputoutput interface is connected with the second end of second resistor, adc and inputoutput interface all are connected with the control unit. According to the utility model discloses a cell voltage detection circuit can optionally detects the voltage of battery, saves electric power. According to the utility model discloses a vibrissa ware that on the other hand provided when cell voltage detection circuit detects out battery voltage and is less than the setting, prohibits that the motor starts, prevents to block the vibrissa.
Description
Technical field
This utility model is related to a kind of battery voltage detection circuit and the vibrissa cutter with this battery voltage detection circuit.
Background technology
Existing battery electric quantity detection technique is usually used adc(analogue-to-digital converters), gather cell voltage, but
Can there is larger detection electric current impact battery life.Additionally, various vibrissa cutter products are had on market, can be in battery electricity
Vibrissa is blocked when measuring low.
Content of the invention
The purpose of this utility model is, provides a kind of battery voltage detection circuit, can optionally detect battery
Voltage, saves electric power.
This utility model is achieved through the following technical solutions: a kind of battery voltage detection circuit, described battery voltage detection
Circuit includes control unit, analog-digital converter, input/output interface, first resistor device and second resistance device, described first resistor
Device and described second resistance device constitute bleeder circuit, and the first end of described first resistor device is connected with battery, described first resistor
Second end of device is connected with the first end of described second resistance device, the first end of described analog-digital converter and described second resistance device
Connect, described input/output interface is connected with the second end of described second resistance device, and described analog-digital converter and described input are defeated
Outgoing interface is all connected with described control unit.
As the improvement further of technique scheme, the first end of described second resistance device and described second resistance device
It is connected with the first electric capacity between second end.
As the improvement further of technique scheme, between described battery and described control unit, it is connected with manostat.
As the improvement further of technique scheme, described control unit is built-in with the benchmark mould generating reference voltage
Block.
According to another aspect of the present utility model, provide a kind of vibrissa cutter, it includes motor and the inspection of above-mentioned cell voltage
Slowdown monitoring circuit, battery voltage detection circuit forbids electric motor starting when detecting that cell voltage is less than assigned voltage, thus having anti-
The only function of card vibrissa.
The beneficial effects of the utility model are: in battery voltage detection circuit of the present utility model, by the of bleeder circuit
The second of two resistors terminates into input/output interface, just enables bleeder circuit only when needing to carry out electric power detection, permissible
Effectively reduce system power dissipation, improve the use time of battery.
Additionally, the vibrissa cutter being provided according to another aspect of the present utility model, when battery voltage detection circuit detects electricity
When cell voltage is less than setting, forbids electric motor starting, prevent from blocking vibrissa.
Brief description
Fig. 1 is the composition schematic diagram of the battery voltage detection circuit according to first embodiment of the present utility model；
Fig. 2 is the composition schematic diagram of the battery voltage detection circuit according to second embodiment of the present utility model；
Fig. 3 is the signal of the electricity display lamp of the battery voltage detection circuit according to 3rd embodiment of the present utility model
Figure；
Fig. 4 is the generalized section using the vibrissa cutter according to battery voltage detection circuit of the present utility model；
Fig. 5 is another generalized section using the vibrissa cutter according to battery voltage detection circuit of the present utility model；
100- control unit；102- base modules；200- analog-digital converter；300- input/output interface；400- manostat；
500- battery；R1- first resistor device；R2- second resistance device；C1- first electric capacity.
Specific embodiment
Below in conjunction with accompanying drawing in embodiment of the present utility model, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.The assembly of this utility model embodiment generally described and illustrated in accompanying drawing herein can be with various different configurations
To arrange and to design.Therefore, below the detailed description of the embodiment of the present utility model providing in the accompanying drawings is not intended to limit
The claimed scope of the present utility model of system, but it is merely representative of selected embodiment of the present utility model.New based on this practicality
The embodiment of type, the every other embodiment that those skilled in the art are obtained on the premise of not making creative work,
Broadly fall into the scope of this utility model protection.
First embodiment
First, the battery voltage detection circuit with reference to Fig. 1, first embodiment of the present utility model being related to illustrates.
As shown in figure 1, battery voltage detection circuit includes control unit 100, analog-digital converter 200, input/output interface
300th, first resistor device r1 and second resistance device r2.Wherein, described first resistor device r1 and described second resistance device r2 composition point
Volt circuit.The first end of described first resistor device r1 is connected with battery 500；Second end of described first resistor device r1 and described the
The first end of two resistor r2 connects；Described analog-digital converter 200 is connected with the first end of described second resistance device r2, described defeated
The second end entering output interface 300 with described second resistance device r2 is connected.Described analog-digital converter 200 and described input and output connect
Mouth 300 is all connected with described control unit 100.
In the present embodiment, connect between second end of the first end of described second resistance device r2 and described second resistance device r2
It is connected to the first electric capacity c1.
In the present embodiment, it is connected with manostat 400 between described battery 500 and described control unit 100.
In the present embodiment, the second of the second resistance device r2 of bleeder circuit is terminated into input/output interface 300, only
Just enable bleeder circuit when needing to carry out electric power detection, can effectively reduce system power dissipation, save electric power, improve making of battery
Use the time.In other words, because battery voltage acquisition do not need as remaining detection state in the prior art it is possible to
Accomplish only when input/output interface 300 is opened, when analog-digital converter 200 starts detection, battery voltage detection circuit just starts
Work, and battery voltage detection circuit does not work when input/output interface 300 is closed.Thus, not only can accurately measure electricity but also
The purpose of power saving can be reached.
Second embodiment
Then, with reference to Fig. 2, the battery voltage detection circuit that second embodiment of the present utility model is related to illustrates.
Additionally, unless stated otherwise, the composition of the battery voltage detection circuit that second embodiment is related to, with reference picture in first embodiment
The composition of 1 explanation is identical.Hereinafter, with the first enforcement in the composition of the battery voltage detection circuit mainly second embodiment being related to
The different composition part of example illustrates, and carries out letter to the battery voltage detection circuit identical structure being related to first embodiment
Slightly illustrate.
Different from first embodiment, in second embodiment, described control unit 100 is built-in with the base generating reference voltage
Quasi-mode block 102.
Described control unit 100 for example can adopt the mcu of built-in benchmark, and such as U.S. Tyke Science and Technology Ltd. sells
Ht66f004 flash mcu, by sampling to internal reference, calculate cell voltage, this mode can simplify
Circuit, maximizes cost-effective.
3rd embodiment
In the third embodiment, as shown in figure 3, the battery voltage detection circuit being related to by embodiment of the present utility model
After detecting cell voltage, user's dump energy can be reminded in time, prevent such as vibrissa from being occurred by the situation of card.As Fig. 3
Shown, such as when dump energy about 30%, then in inner ring, the second circle lights.
According to another aspect of the present utility model, also provide a kind of vibrissa cutter, it includes above-mentioned battery voltage detection electricity
Road.
As shown in Figure 4 and Figure 5, the main body 7 of vibrissa cutter, lid 19, battery cover 2 composition shell in main body, on shell is furnished with
Lid 21, blade holder 16, blade 17 and the protruding shell of cutter head 20, inside the shell comprises battery 500, motor 23, connecting shaft
15th, expelling the toxic substance from the body with tonic 3, positive plate 22, negative plate 4, switch 5, two-sided pcb plate 9, led10 and various electronic devices and components in flakes.Control unit
100 are arranged on pcb plate 9.Led10 includes purple led, red led, white led.It is provided with silica gel ring at shell cooperation, bag
Include silica gel ring 1, silica gel ring 2 11, silica gel ring 3 12, silica gel ring 4 13, silica gel ring 5 24.Negative plate 4 and switch 5 are joined in flakes
It is combined into switch, switch 5 is connected to pcb plate 9 negative pole by electric wire in flakes, and positive plate 22 is connected to pcb plate 9 by electric wire
Positive pole.The both positive and negative polarity of pcb plate 9 is coupled with the both positive and negative polarity of motor 23 by electric wire.Cutter head 20 is contained in blade 17 and blade is solid
Determine the front of frame 16, above lid 19 in main body.Start to rotate after motor 23 energising, motor 23 is dynamically connected by motor shaft 8 band
Axle 15, blade holder 16, blade 17 work, and carry out cutting movement with cutter head 20, vibrissa is pruned.
When battery electric quantity normal work, circuit passes through automatic detection led10 is then green (can be random color), when
When battery electric quantity is less than setting value, circuit passes through automatic detection, and now led10 will be changed into redness (can certainly be any face
Color), thus prompting needs to change battery 500, it is to avoid lead to the phenomenon of card vibrissa to occur because battery electric quantity reduces.
When the voltage that battery voltage detection circuit detects battery 500 is less than setting, forbids that motor 23 starts, prevent
Block vibrissa.For example, battery voltage detection circuit can detect the voltage of battery 500 when vibrissa cutter is started shooting, and ensures vibrissa
The cell voltage of device at least can provide the electricity that motor works specified period, and for example, battery voltage detection circuit can be
The voltage of detection battery 500 when button is pressed during vibrissa cutter work.Again for example, battery voltage detection circuit can be in vibrissa
The device working time detects the voltage of battery 500 every the scheduled time.
It is to be understood that term " first ", " second " etc. are only used for describing purpose in description of the present utility model,
And it is not intended that indicating or hint relative importance.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning in this utility model for the above-mentioned term.Additionally, in description of the present utility model, unless otherwise stated, " many
Individual " it is meant that two or more.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that:
Multiple changes, modification, replacement can be carried out to these embodiments in the case of without departing from principle of the present utility model and objective
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (5)
1. a kind of battery voltage detection circuit it is characterised in that described battery voltage detection circuit include control unit (100),
Analog-digital converter (200), input/output interface (300), first resistor device (r1) and second resistance device (r2), described first resistor
Device (r1) and described second resistance device (r2) constitute bleeder circuit, the first end of described first resistor device (r1) and battery (500)
Connect, the second end of described first resistor device (r1) is connected with the first end of described second resistance device (r2), described analog digital conversion
Device (200) is connected with the first end of described second resistance device (r2), described input/output interface (300) and described second resistance device
(r2) the second end connects, and described analog-digital converter (200) and described input/output interface (300) be equal and described control unit
(100) connect.
2. battery voltage detection circuit according to claim 1 it is characterised in that described second resistance device (r2) first
It is connected with the first electric capacity (c1) between end and the second end of described second resistance device (r2).
3. battery voltage detection circuit according to claim 2 is it is characterised in that described battery (500) and described control
It is connected with manostat (400) between unit (100).
4. battery voltage detection circuit according to claim 1 and 2 is it is characterised in that described control unit (100) is built-in
There are the base modules (102) generating reference voltage.
5. a kind of vibrissa cutter is it is characterised in that including motor and can controlling the battery voltage detection circuit of described motor start and stop,
Described battery voltage detection circuit is the battery voltage detection circuit according to any one of Claims 1-4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762853.3U CN205920152U (en) | 2016-07-20 | 2016-07-20 | Cell voltage detection circuit and vibrissa ware |
| PCT/CN2017/076126 WO2018014563A1 (en) | 2016-07-20 | 2017-03-09 | Battery voltage detection circuit and nose hair trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620762853.3U CN205920152U (en) | 2016-07-20 | 2016-07-20 | Cell voltage detection circuit and vibrissa ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205920152U true CN205920152U (en) | 2017-02-01 |
Family
ID=57872301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620762853.3U Active CN205920152U (en) | 2016-07-20 | 2016-07-20 | Cell voltage detection circuit and vibrissa ware |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205920152U (en) |
| WO (1) | WO2018014563A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018014563A1 (en) * | 2016-07-20 | 2018-01-25 | 渲美美健（深圳）科技股份有限公司 | Battery voltage detection circuit and nose hair trimmer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4649489B2 (en) * | 2008-03-27 | 2011-03-09 | 株式会社日立製作所 | Total battery voltage detection circuit |
| JP5208885B2 (en) * | 2009-08-18 | 2013-06-12 | ルネサスエレクトロニクス株式会社 | Battery voltage monitoring device |
| CN201886132U (en) * | 2009-12-30 | 2011-06-29 | 深圳市福嘉太科技有限公司 | Switch circuit for detecting voltage of battery |
| CN102998505B (en) * | 2011-09-14 | 2015-10-07 | 珠海格力电器股份有限公司 | Battery undervoltage detection circuit |
| CN204515009U (en) * | 2015-04-07 | 2015-07-29 | 青岛歌尔声学科技有限公司 | A kind of super low-power consumption battery voltage detection circuit |
| CN205920152U (en) * | 2016-07-20 | 2017-02-01 | 周鄂林 | Cell voltage detection circuit and vibrissa ware |
-
2016
- 2016-07-20 CN CN201620762853.3U patent/CN205920152U/en active Active
-
2017
- 2017-03-09 WO PCT/CN2017/076126 patent/WO2018014563A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018014563A1 (en) * | 2016-07-20 | 2018-01-25 | 渲美美健（深圳）科技股份有限公司 | Battery voltage detection circuit and nose hair trimmer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018014563A1 (en) | 2018-01-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170222 Address after: 518000 Guangdong city of Shenzhen province haixiu road Rongchao Baoan Binhai District Center Tower A 7 floor Patentee after: Let the United States and the United States health (Shenzhen) Polytron Technologies Inc Address before: 518000 Guangdong city of Shenzhen province Nanshan District Nanhai rose garden building 26 5B Patentee before: Zhou Elin |