CN217741381U - Standby power supply circuit of electric control intelligent lock - Google Patents
Standby power supply circuit of electric control intelligent lock Download PDFInfo
- Publication number
- CN217741381U CN217741381U CN202220234791.4U CN202220234791U CN217741381U CN 217741381 U CN217741381 U CN 217741381U CN 202220234791 U CN202220234791 U CN 202220234791U CN 217741381 U CN217741381 U CN 217741381U
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- Prior art keywords
- power supply
- circuit
- voltage
- supply circuit
- intelligent lock
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a reserve power supply circuit of automatically controlled intelligent lock for the power supply of automatically controlled intelligent lock, including first power supply circuit, second power supply circuit, voltage detection circuit, voltage stabilizing circuit and relay circuit, first power supply circuit's output with the output on second power supply circuit all passes through the relay circuit with voltage stabilizing circuit's input electric connection, voltage detection circuit with second power supply circuit electric connection. The utility model discloses a reserve power supply circuit of automatically controlled intelligent lock, it carries out fast switch over to first power supply circuit and second power supply circuit through the relay circuit to make the power supply that can stabilize to the intelligent lock through voltage stabilizing circuit, and then ensure the work of intelligent lock, and carry out voltage detection to second power supply circuit through voltage detection circuit, thereby judge whether the second battery can maintain the power supply.
Description
Technical Field
The utility model belongs to the technical field of the intelligence lock power supply, concretely relates to reserve power supply circuit of automatically controlled intelligence lock.
Background
The intelligent lock has been popularized to thousands of households, and at present, the intelligent lock is powered on the basis of a battery, and because the intelligent lock is provided with a controller and a driving device for driving a lock tongue of the intelligent lock, the parts have relatively large electric energy consumption to the intelligent lock. Because most intelligent lock all need the switch to use very many times every day, energy consumption is very big, and this duration that leads to the intelligent lock is lower, and most intelligent lock all is a battery of installation moreover to will lead to the condition emergence that can't unblank when the battery does not have the electricity, cause unnecessary troublesome.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
A primary objective of the utility model is to provide a reserve power supply circuit of automatically controlled intelligent lock, it carries out the fast switch over through relay circuit to first power supply circuit and second power supply circuit, thereby make the power supply that can be stable to the intelligent lock through voltage stabilizing circuit, and guarantee the work of intelligent lock, and carry out voltage detection to the second power supply circuit through voltage detection circuit, thereby judge whether the second battery can maintain the power supply, and then whether switch over to first power supply circuit through relay circuit and carry out reserve power supply, it has convenient to use, the power supply is stable and advantage such as security height.
In order to achieve the above object, the utility model provides a reserve power supply circuit of automatically controlled intelligent lock for the power supply of automatically controlled intelligent lock, including first power supply circuit, second power supply circuit, voltage detection circuitry, voltage stabilizing circuit and relay circuit, first power supply circuit's output with the output on second power supply circuit all passes through relay circuit with voltage stabilizing circuit's input electric connection, voltage detection circuitry with second power supply circuit electric connection, wherein:
the first power supply circuit (a standby power supply, and performs standby temporary power supply when the second power supply is insufficient) comprises a power supply connecting unit J2 (connected with a first battery), and the second power supply circuit (the intelligent lock performs power supply when working normally) comprises a power supply connecting unit J1 (connected with a second battery);
the relay circuit comprises a relay coil K1 and a relay switch K2, the power supply connecting unit J2 is electrically connected with a first input end (2 pin) of the relay switch K2, the power supply connecting unit J1 is electrically connected with a second input end (3 pin) of the relay switch K2, and the power supply connecting unit J1 is further grounded through a resistor R2 and a rheostat R3 in sequence;
the voltage stabilizing circuit comprises a voltage stabilizer U1 and a voltage stabilizer U2, wherein the output end (1 pin) of the relay switch K2 is electrically connected with the input end of the voltage stabilizer U1, the output end of the voltage stabilizer U1 is electrically connected with the output end of the voltage stabilizer U2, and the output end of the voltage stabilizer U2 outputs a power supply (+ 5V);
the voltage detection circuit comprises a voltage detector U3, and a detection end (a non-inverting input end, a 3 pin) of the voltage detector U3 is electrically connected with a common end of the resistor R2 and the rheostat R3.
As a further preferable technical solution of the above technical solution, one end of the relay coil K1 is electrically connected to a collector of the triode Q1, an emitter of the triode Q1 is grounded, a base of the triode Q1 is electrically connected to the connection terminal a through the resistor R1, and two ends of the relay coil K1 are connected in parallel to the diode D1.
As a further preferable technical solution of the above technical solution, a common connection end between the output end (3 pin) of the voltage regulator U1 and the input end (1 pin) of the voltage regulator U2 is grounded through a capacitor C1.
As a further preferable technical solution of the above technical solution, a capacitor C2 is connected between the output terminal and the ground terminal of the voltage regulator U2.
As a further preferable technical solution of the above technical solution, a resistor R4 is connected between the 2 pins (inverting input end) and the 4 pins of the voltage detector U3, the 2 pins of the voltage detector U3 are also connected to a power supply (+ 5V), and the 1 pin of the voltage detector U3 is electrically connected to the connection end B.
Drawings
Fig. 1 is a circuit diagram of the standby power supply circuit of the electric control intelligent lock of the present invention.
Detailed Description
The following description is provided to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
The utility model discloses a reserve power supply circuit of automatically controlled intelligent lock combines preferred embodiment below, makes further description to utility model's concrete embodiment.
In the embodiments of the present invention, those skilled in the art will note that the battery, processor, and the like according to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a reserve power supply circuit of automatically controlled intelligent lock for the power supply of automatically controlled intelligent lock, including first power supply circuit, second power supply circuit, voltage detection circuit, voltage stabilizing circuit and relay circuit, first power supply circuit's output with the output on second power supply circuit all passes through the relay circuit with voltage stabilizing circuit's input electric connection, voltage detection circuit with second power supply circuit electric connection, wherein:
the first power supply circuit (a standby power supply for performing standby temporary power supply when the second power supply is insufficient) comprises a power supply connecting unit J2 (connected with a first battery), and the second power supply circuit (an intelligent lock for performing power supply when working normally) comprises a power supply connecting unit J1 (connected with a second battery);
the relay circuit comprises a relay coil K1 and a relay switch K2, the power supply connecting unit J2 is electrically connected with a first input end (2 pin) of the relay switch K2, the power supply connecting unit J1 is electrically connected with a second input end (3 pin) of the relay switch K2, and the power supply connecting unit J1 is further grounded through a resistor R2 and a rheostat R3 in sequence;
the voltage stabilizing circuit comprises a voltage stabilizer U1 and a voltage stabilizer U2, wherein the output end (1 pin) of the relay switch K2 is electrically connected with the input end of the voltage stabilizer U1, the output end of the voltage stabilizer U1 is electrically connected with the output end of the voltage stabilizer U2, and the output end of the voltage stabilizer U2 outputs a power supply (+ 5V);
the voltage detection circuit comprises a voltage detector U3, and a detection end (a non-inverting input end, a 3 pin) of the voltage detector U3 is electrically connected with a common end of the resistor R2 and the rheostat R3.
Specifically, one end of the relay coil K1 is electrically connected to a collector of the triode Q1, an emitter of the triode Q1 is grounded, a base of the triode Q1 is electrically connected to the connection end a through the resistor R1, and the two ends of the relay coil K1 are connected in parallel to the diode D1.
More specifically, a common connection end of the output end (3 pin) of the voltage regulator U1 and the input end (1 pin) of the voltage regulator U2 is grounded through a capacitor C1.
Further, a capacitor C2 is connected between the output end of the voltage stabilizer U2 and the ground end.
Furthermore, a resistor R4 is connected between the 2 pins (inverting input end) and the 4 pins of the voltage detector U3, the 2 pins of the voltage detector U3 are also connected to a power supply (+ 5V), and the 1 pin of the voltage detector U3 is electrically connected to the connection end B.
The principle of the utility model is that:
the power supply of the first power supply circuit is set to be 10V, the power supply of the second power supply is 12V (voltage of the intelligent lock during normal operation), when the intelligent lock is just powered on, the first power supply circuit is conducted to supply power, the power is supplied through the voltage stabilizing circuit, at the moment, the output end of the processor (preferably STM32 series) outputs a high level to the connecting end A, so that the triode Q1 is conducted after saturation, the relay coil K1 is powered on, then the relay switch K2 is normally closed and normally open (the 1 pin and the 3 pin are connected), the second power supply circuit is conducted to supply power, the voltage stabilizing circuit is used for supplying power, and the intelligent lock is powered on to normally operate;
after the second battery of the second power circuit is used for a period of time, the voltage gradually decreases (the electric quantity is insufficient), the electric potential at the 3 pins of the voltage detector U3 gradually decreases, when the voltage at the 3 pins is smaller than the 2 pins (the reference voltage of the 2 pins can be adjusted through the rheostat R3), the 1 pin of the voltage detector U3 outputs a low level signal to the processor through the connecting end B, so that the processor knows that the electric quantity of the second battery is insufficient, thereby outputting a low level signal to the connecting end A through the output end, further leading the triode Q1 to be not conducted, leading the relay coil K1 to lose power, leading the relay switch K2 to be normally opened to normally closed (connecting the 1 pin and the 2 pins), thereby supplying power to the first power circuit, thereby ensuring uninterrupted power supply of the intelligent lock, the capacitor C1 is a storage capacitor, when the power circuit is switched, can ensure stable output of the voltage stabilizing circuit, the processor can be connected with the alarm, after the output end of the processor outputs a low level, thereby leading the alarm to give an alarm, thereby reminding personnel of using the standby battery, and further reminding the intelligent lock of having changed the main battery (the second battery).
It should be noted that the technical features such as the battery and the processor related to the present invention should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of these technical features may be selected conventionally in the field, which should not be regarded as the invention of the present invention, and the detailed description thereof is not further specifically made.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a reserve power supply circuit of automatically controlled intelligent lock for the power supply of automatically controlled intelligent lock, its characterized in that, including first power supply circuit, second power supply circuit, voltage detection circuit, voltage stabilizing circuit and relay circuit, first power supply circuit's output with the output on second power supply circuit all passes through relay circuit with voltage stabilizing circuit's input electric connection, voltage detection circuit with second power supply circuit electric connection, wherein:
the first power supply circuit includes a power supply connection unit J2, and the second power supply circuit includes a power supply connection unit J1;
the relay circuit comprises a relay coil K1 and a relay switch K2, the power supply connecting unit J2 is electrically connected with a first input end of the relay switch K2, the power supply connecting unit J1 is electrically connected with a second input end of the relay switch K2, and the power supply connecting unit J1 is further grounded through a resistor R2 and a rheostat R3 in sequence;
the voltage stabilizing circuit comprises a voltage stabilizer U1 and a voltage stabilizer U2, the output end of the relay switch K2 is electrically connected with the input end of the voltage stabilizer U1, the output end of the voltage stabilizer U1 is electrically connected with the output end of the voltage stabilizer U2, and the output end of the voltage stabilizer U2 outputs a power supply;
the voltage detection circuit comprises a voltage detector U3, and the detection end of the voltage detector U3 is electrically connected with the common end of the resistor R2 and the rheostat R3.
2. The standby power supply circuit of the electric control intelligent lock as claimed in claim 1, wherein one end of the relay coil K1 is electrically connected to a collector of a transistor Q1, an emitter of the transistor Q1 is grounded and a base of the transistor Q1 is electrically connected to the connection terminal a through a resistor R1, and two ends of the relay coil K1 are connected in parallel to a diode D1.
3. The standby power supply circuit of claim 2, wherein a common terminal of the output terminal of the voltage regulator U1 and the input terminal of the voltage regulator U2 is grounded through a capacitor C1.
4. The standby power supply circuit of claim 3, wherein a capacitor C2 is connected between the output terminal and the ground terminal of the voltage stabilizer U2.
5. The standby power supply circuit for the electric control intelligent lock according to claim 4, wherein a resistor R4 is connected between the 2 pin and the 4 pin of the voltage detector U3, the 2 pin of the voltage detector U3 is further connected with a power supply, and the 1 pin of the voltage detector U3 is electrically connected with the connection terminal B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234791.4U CN217741381U (en) | 2022-01-26 | 2022-01-26 | Standby power supply circuit of electric control intelligent lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220234791.4U CN217741381U (en) | 2022-01-26 | 2022-01-26 | Standby power supply circuit of electric control intelligent lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217741381U true CN217741381U (en) | 2022-11-04 |
Family
ID=83815585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220234791.4U Expired - Fee Related CN217741381U (en) | 2022-01-26 | 2022-01-26 | Standby power supply circuit of electric control intelligent lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217741381U (en) |
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2022
- 2022-01-26 CN CN202220234791.4U patent/CN217741381U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20221104 |