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 PDF

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Publication number
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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China
Prior art keywords
detection circuit
switch
resistance
electronic switch
door lock
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CN201920119655.9U
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Chinese (zh)
Inventor
沈汉标
王妙玉
童威云
王�义
田春红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Hotata Smart Home Co Ltd
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Guangdong Ketyoo Intelligent Technology Co Ltd
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Priority to CN201920119655.9U priority Critical patent/CN209471217U/en
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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

A kind of intelligent door lock energy-saving voltage detection circuit
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.
CN201920119655.9U 2019-01-24 2019-01-24 A kind of intelligent door lock energy-saving voltage detection circuit Active CN209471217U (en)

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

Publications (1)

Publication Number Publication Date
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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CN (1) CN209471217U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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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.

CP03 Change of name, title or address