CN209471217U - A kind of intelligent door lock energy-saving voltage detection circuit - Google Patents
A kind of intelligent door lock energy-saving voltage detection circuit Download PDFInfo
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- CN209471217U CN209471217U CN201920119655.9U CN201920119655U CN209471217U CN 209471217 U CN209471217 U CN 209471217U CN 201920119655 U CN201920119655 U CN 201920119655U CN 209471217 U CN209471217 U CN 209471217U
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Abstract
The utility model discloses a kind of intelligent door lock energy-saving voltage detection circuits, including battery detection circuit, controller, first switch circuit, second switch circuit, controller has the detection mouth of input voltage signal and the control mouth for exporting low and high level signal, battery detection circuit is used to access the cell voltage output end of intelligent door lock, the output of battery detection circuit is connected to control mouth, first switch circuit is for driving second switch connecting and disconnecting of the circuit, second switch circuit is used to control the on-off of battery detection circuit input terminal, the input terminal of first switch circuit is connect with control mouth, when the voltage signal of battery detection circuit output is lower than the setting value of controller, controller is through control mouth control first switch circuit truncation, and then second switch circuit is truncated, realize battery detection circuit truncation.The utility model can carry out on-off selection according to demand and execute detection cell voltage, and power consumption is small, more energy efficient.
Description
Technical field
The utility model relates to voltage detecting circuits, and in particular to a kind of intelligent door lock energy-saving voltage detection circuit.
Background technique
With the development of intelligent door lock technology, intelligent door lock enters huge numbers of families.Currently, intelligent door lock is generally electricity
Pond power supply, the door lock moment detects cell voltage, causes power consumption higher, moreover, be led to that the high battery of power consumption is not durable, power consumption when work
Greatly, power consumption is also high when static.Battery pollution environment is expended significantly, and tangible in this way increases customer using cost.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of inspections of intelligent door lock energy-saving voltage
Slowdown monitoring circuit can carry out on-off selection according to demand and execute detection cell voltage, and power consumption is small, more energy efficient.
The purpose of this utility model is achieved through the following technical solutions:
A kind of intelligent door lock energy-saving voltage detection circuit, including battery detection circuit, controller, first switch circuit,
Two switching circuits, controller have the detection mouth of input voltage signal and the control mouth for exporting low and high level signal, electricity
Pond detection circuit is used to access the cell voltage output end of intelligent door lock, and the output of battery detection circuit is connected to control mouth, the
For one switching circuit for driving second switch connecting and disconnecting of the circuit, second switch circuit is used to control the logical of battery detection circuit input terminal
Disconnected, the input terminal of first switch circuit is connect with control mouth, when the voltage signal of battery detection circuit output is lower than controller
When setting value, controller is truncated through control mouth control first switch circuit, and then second switch circuit is truncated, and realizes battery inspection
Slowdown monitoring circuit truncation.
Preferably, first switch circuit includes the first electronic switch, collector and the battery detecting electricity of the first electronic switch
The output end on road connects, and the emitter ground connection of the first electronic switch, the base stage of the first electronic switch accesses control mouth.
Preferably, first switch circuit further includes first resistor and second resistance, and first resistor is connected to control mouth and
Between the base stage of one electronic switch, second resistance be connected to the first electronic switch base stage and the first electronic switch emitter it
Between.
Preferably, battery detection circuit includes 3rd resistor, the 4th resistance, the 5th resistance and the 6th resistance, second switch
Circuit includes the second electronic switch, and the drain electrode of the 6th resistance and the second electronic switch accesses the cell voltage output of intelligent door lock
End, the 5th resistance access the collector of the first electronic switch, the 6th resistance and the 5th resistance concatenation, the grid of the second electronic switch
It is connected between the 6th resistance and the 5th resistance, the source electrode of the second electronic switch passes sequentially through the 4th resistance, 3rd resistor ground connection, inspection
Mouth is surveyed to be connected between 3rd resistor and the 4th resistance.
Preferably, the both ends of 3rd resistor and it is connected to filter capacitor.
Preferably, detection mouth is accessed between 3rd resistor and the 4th resistance by a current-limiting resistance.
Preferably, controller MCU.
Preferably, first switch circuit includes the first electronic switch, and the first electronic switch is metal-oxide-semiconductor or triode.
Preferably, second switch circuit includes the second electronic switch, and the second electronic switch is metal-oxide-semiconductor or triode.
Compared with prior art, the utility model has the following beneficial effects:
The utility model carrys out the on-off of on-off control first switch circuit since controller is utilized, and then controls second and open
The on-off on powered-down road, in this way, battery detection circuit just works when only second switch circuit is connected, so that energy consumption is reduced, and
And the configuration of the utility model so that for the electricity of intelligent door lock battery be need constantly to monitor numerical value could it is safer,
Once battery capacity is lower than second class protection voltage range, since the voltage signal detected will be cut lower than the setting value of controller
Break corresponding first switch circuit, second switch circuit, will not thus detect voltage value again, from without the consumption of electricity,
It can accomplish that the low static power consumption of power consumption is small, in the idle situation of intelligent door lock, battery voltage signal is low and is led to that this is practical new
Type battery detection circuit turns off not power consumption, realizes energy-saving and environment-friendly demand, greatly reduces product cost, has high city
Field competitiveness.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the utility model intelligent door lock energy-saving voltage detection circuit.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
A kind of intelligent door lock energy-saving voltage detection circuit as shown in Figure 1, including battery detection circuit, controller, first
Switching circuit, second switch circuit, controller have the detection mouth of input voltage signal and for exporting low and high level signal
Control mouth, battery detection circuit is used to access the cell voltage output end of intelligent door lock, the output termination of battery detection circuit
To control mouth, first switch circuit is for driving second switch connecting and disconnecting of the circuit, and second switch circuit is for controlling battery detecting electricity
The input terminal of the on-off of road input terminal, first switch circuit is connect with control mouth, when the voltage signal of battery detection circuit output
Lower than controller setting value when, controller through control mouth control first switch circuit be truncated, and then make second switch circuit cut
It is disconnected, realize battery detection circuit truncation.Carry out the on-off of on-off control first switch circuit since controller is utilized, and then controls
The on-off of second switch circuit, in this way, battery detection circuit just works, to reduce consumption when only second switch circuit is connected
Can, moreover, the configuration of the utility model so that for the electricity of intelligent door lock battery be need constantly to monitor numerical value could more
Safety, once battery capacity is lower than second class protection voltage range, since the voltage signal detected is lower than the setting value of controller
Corresponding first switch circuit, second switch circuit will be truncated, will not thus detect voltage value again, from without electricity
Consumption can accomplish that the low static power consumption of power consumption is small, and in the idle situation of intelligent door lock, battery voltage signal is low and is led to this reality
Not power consumption is turned off with novel battery detection circuit, energy-saving and environment-friendly demand is realized, greatly reduces product cost, is had high
The market competitiveness.
In this example, controller MCU can choose its model R5F100MGA, certainly, as needed, can choose it
The MCU or CPU or single-chip microcontroller that can carry out data processing of his model.First switch circuit includes the first electronic switch Q1, the
One electronic switch is metal-oxide-semiconductor or triode.Second switch circuit includes the second electronic switch Q2, and the second electronic switch is metal-oxide-semiconductor
Or triode.
As preferred embodiment, first switch circuit includes the first electronic switch Q1, is selected as triode, the first electricity
The collector C of sub switch and the output end of battery detection circuit connect, the emitter E ground connection of the first electronic switch, the first electronics
The base stage B of switch accesses control mouth.Further, first switch circuit further includes first resistor R1 and second resistance R2, the first electricity
Resistance R1 is connected between control mouth and the base stage B of the first electronic switch Q1, and second resistance R2 is connected to the first electronic switch Q1's
Between base stage B and the emitter E of the first electronic switch Q1.
As preferred embodiment, battery detection circuit include 3rd resistor R3, the 4th resistance R4, the 5th resistance R5 and
6th resistance R6, second switch circuit include the second electronic switch Q2, are selected as metal-oxide-semiconductor, the 6th resistance R6 and the second electronic cutting
The cell voltage output end of the drain D access intelligent door lock of Q2 is closed, the 5th resistance R5 accesses the collector of the first electronic switch Q1
C, the 6th resistance R6 and the 5th resistance R5 concatenation, the grid G of the second electronic switch Q2 are connected to the 6th resistance R6 and the 5th resistance R5
Between, the source S of the second electronic switch Q2 passes sequentially through the 4th resistance R4,3rd resistor R3 ground connection, and detection mouth is connected to third
Between resistance R3 and the 4th resistance R4.Further, the both ends of 3rd resistor R3 and it is connected to filter capacitor C1.Specifically, detection mouth
It is accessed between 3rd resistor R3 and the 4th resistance R4 by a current-limiting resistance R7.
Cell voltage 6V passes through the current collection of the 6th resistance R6 and the 5th resistance R5 to the first electronic switch Q1 as current limliting
The grid G of pole C and the second electronic switch Q2 and the drain D of the second electronic switch Q2, the at this time emitter of the first electronic switch Q1
E, the grid G of the second electronic switch Q2, the drain D of the second electronic switch Q2 are high level, and the second electronic switch Q2 ends, the
One electronic switch Q1 cut-off does not have power consumption at this time, i.e., exists without power consumption in battery detection circuit；By the finger that controller is arranged
It enables, when controller control mouth exports base stage B of the high level to the first electronic switch Q1, due to the current collection of the first electronic switch Q1
Pole C has 6V by the 6th resistance R6 and the 5th resistance R5, so the collector C of the first electronic switch Q1 is high level, it is full
Turn-on condition, that is, collector of the first electronic switch Q1 of foot is reverse-biased, emitter E positively biased.First electronic switch Q1 is connected so that the
Two electronic switch Q2 conducting, cell voltage 6V pass through the second electronic switch Q2 to the 4th resistance R4 and 3rd resistor R3, due to this
Csr controller is 3.3V work, so input cell voltage will be divided by 3rd resistor R3 and the 4th resistance R4, to control
Device is protected；Filter capacitor C1 is that detection mouth voltage is filtered, and current-limiting resistance R7 is that detection mouth voltage carries out metering function
So that the signal into controller is steady smooth voltage signal.The voltage that controller comes in detection mouth conveying judges
And analysis, it is judged whether within setting range, if the base stage for continuing to output high level and if being given to the first electronic switch Q1
B, so that the first electronic switch Q1 is connected, the drain D of the second electronic switch Q2 is high level, and grid G is bottom level, the second electronics
Switch Q2 is constantly on.If its voltage, not within setting range, controller output low level is given to the first electronic switch Q1's
Base stage B, so that the first electronic switch Q1 is not turned on, the grid G of the second electronic switch Q2 is high level at this time, and drain D is high electricity
It is flat, the second electronic switch Q2 cut-off.Cell voltage cannot pass through 3rd resistor R3, the 4th resistance R4 to discharge at this time.Controller
The value of detection voltage comes whether discriminatory analysis to signal allow its work to intelligent door lock.
The embodiments of the present invention is without being limited thereto, according to the above content of the utility model, utilizes the general of this field
Logical technological know-how and customary means, under the premise of not departing from the utility model above-mentioned basic fundamental thought, the utility model may be used also
To make the modification, replacement or combination of other diversified forms, all fall within the utility model rights protection scope.
Claims (9)
1. a kind of intelligent door lock energy-saving voltage detection circuit, which is characterized in that opened including battery detection circuit, controller, first
Powered-down road, second switch circuit, controller have the detection mouth of input voltage signal and for exporting low and high level signal
Control mouth, battery detection circuit are used to access the cell voltage output end of intelligent door lock, and the output of battery detection circuit is connected to
Control mouth, first switch circuit is for driving second switch connecting and disconnecting of the circuit, and second switch circuit is for controlling battery detection circuit
The input terminal of the on-off of input terminal, first switch circuit is connect with control mouth, when the voltage signal of battery detection circuit output is low
When the setting value of controller, controller is truncated through control mouth control first switch circuit, and then second switch circuit is truncated,
Realize battery detection circuit truncation.
2. intelligent door lock energy-saving voltage detection circuit according to claim 1, which is characterized in that first switch circuit includes
First electronic switch, the collector of the first electronic switch and the output end of battery detection circuit connect, the hair of the first electronic switch
The base stage of emitter grounding, the first electronic switch accesses control mouth.
3. intelligent door lock energy-saving voltage detection circuit according to claim 2, which is characterized in that first switch circuit also wraps
First resistor and second resistance are included, first resistor is connected between control mouth and the base stage of the first electronic switch, and second resistance connects
It is connected between the base stage of the first electronic switch and the emitter of the first electronic switch.
4. intelligent door lock energy-saving voltage detection circuit according to claim 3, which is characterized in that battery detection circuit includes
3rd resistor, the 4th resistance, the 5th resistance and the 6th resistance, second switch circuit include the second electronic switch, the 6th resistance and
The cell voltage output end of the drain electrode access intelligent door lock of second electronic switch, the 5th resistance access the current collection of the first electronic switch
Pole, the 6th resistance and the 5th resistance concatenation, the grid of the second electronic switch are connected between the 6th resistance and the 5th resistance, the second electricity
The source electrode of sub switch passes sequentially through the 4th resistance, 3rd resistor ground connection, and detection mouth is connected between 3rd resistor and the 4th resistance.
5. intelligent door lock energy-saving voltage detection circuit according to claim 4, which is characterized in that the both ends of 3rd resistor are simultaneously
It is connected to filter capacitor.
6. intelligent door lock energy-saving voltage detection circuit according to claim 4, which is characterized in that detection mouth passes through a current limliting
Resistance accesses between 3rd resistor and the 4th resistance.
7. intelligent door lock energy-saving voltage detection circuit according to claim 1-6, which is characterized in that controller is
MCU。
8. intelligent door lock energy-saving voltage detection circuit according to claim 1, which is characterized in that first switch circuit includes
First electronic switch, the first electronic switch are metal-oxide-semiconductor or triode.
9. intelligent door lock energy-saving voltage detection circuit according to claim 1, which is characterized in that second switch circuit includes
Second electronic switch, the second electronic switch are metal-oxide-semiconductor or triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119655.9U CN209471217U (en) | 2019-01-24 | 2019-01-24 | A kind of intelligent door lock energy-saving voltage detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920119655.9U CN209471217U (en) | 2019-01-24 | 2019-01-24 | A kind of intelligent door lock energy-saving voltage detection circuit |
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| Publication Number | Publication Date |
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| CN209471217U true CN209471217U (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920119655.9U Active CN209471217U (en) | 2019-01-24 | 2019-01-24 | A kind of intelligent door lock energy-saving voltage detection circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581227A (en) * | 2019-01-24 | 2019-04-05 | 广东科徕尼智能科技有限公司 | A kind of intelligent door lock energy-saving voltage detection circuit |
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2019
- 2019-01-24 CN CN201920119655.9U patent/CN209471217U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581227A (en) * | 2019-01-24 | 2019-04-05 | 广东科徕尼智能科技有限公司 | A kind of intelligent door lock energy-saving voltage detection circuit |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 511434 No.1 and No.2, Shihua Road, Hualong Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangdong haomadame smart home Co.,Ltd. Address before: No.1, No.2 highway, No.2, Panyu, Guangzhou Patentee before: GUANGDONG KELAINI INTELLIGENT TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |