CN217904087U - Photovoltaic charged intelligent door lock - Google Patents

Abstract

The utility model discloses an intelligent door lock charged by photovoltaic, which is used on a door body and comprises a switch, a photovoltaic cell panel, a battery and a door lock control system; the photovoltaic cell panel is arranged on the rear surface of the door body; the switch is arranged on the front surface of the door body; the battery and the door lock control system are arranged in the door body; the switch is electrically connected with the door lock control system; the battery is electrically connected with the door lock control system; the photovoltaic cell panel is electrically connected with the battery and the door lock control system. A photovoltaic cell panel is arranged outside a door body applied to the intelligent door lock, so that an indoor light source and solar energy can be converted into electric energy to supply power for the intelligent door lock and a battery thereof. Meanwhile, after the photovoltaic cell panel converts the light energy into unstable current, the unstable current can be output after the stable current becomes safe and stable through the charging control circuit, and the resistor is prevented from being damaged due to charging overheating.

Description

Photovoltaic charged intelligent door lock

Technical Field

The utility model discloses be applied to intelligent lock technical field, especially intelligent lock power supply control field, concretely relates to photovoltaic charged intelligent lock.

Background

At present, the intelligent door lock is charged once and is intelligently used for about 6 months, and is follow-up along with technical upgrading, the function is enriched and added, after the function of the camera is increased, the service life can be further reduced to about 4 months, the charging of a user can be more frequent, and the normal use of the user can be influenced if the user forgets to charge and the electric quantity is exhausted.

Based on this, need urgently to provide one kind can be with solar energy, indoor light source turn into the electric energy and directly charge for the battery's intelligent lock, through to the utilization of sunlight and indoor light energy, give intelligent lock and charge, increase the duration of intelligent lock, reduce the number of times that intelligent lock needs the manual charging of user.

A Chinese utility model patent with a patent number of '201821949015.2' discloses a self-generating intelligent door lock, which is provided with a solar charging module to charge a battery of the intelligent door lock, but the solar energy of the intelligent door lock is not adjusted by a circuit to charge the battery, so that the intelligent door lock is not safe and stable enough; and no charging protection system is provided, and the battery is easy to burn and damage.

SUMMERY OF THE UTILITY MODEL

To the defect and not enough that exist among the prior art, the utility model aims to provide a photovoltaic charging's intelligent lock makes indoor light source and solar energy can convert the electric energy into for intelligent lock and battery power supply at the external installation photovoltaic cell board of the door that intelligent lock was used, simultaneously after photovoltaic cell board turns into the current of unstability with light energy, can pass through the charge control circuit and become the output again after the safety and stability, and prevent that resistance from damaging owing to charging overheated.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

a photovoltaic charged intelligent door lock is used on a door body and comprises a switch, a photovoltaic cell panel, a battery and a door lock control system; the photovoltaic cell panel is arranged on one side of the door body; the switch is arranged on the other side of the door body, which is back to the photovoltaic cell panel; the battery and the door lock control system are arranged inside the door body; the switch is electrically connected with the door lock control system; the battery is electrically connected with the door lock control system; the photovoltaic cell panel is electrically connected with the battery and the door lock control system. A photovoltaic cell panel is installed outside a door body applied to the intelligent door lock, so that an indoor light source and solar energy can be converted into electric energy to supply power for the intelligent door lock and a battery of the intelligent door lock.

Preferably, the intelligent door lock further comprises a charging control circuit of the photovoltaic cell panel; the output end of the photovoltaic cell panel is electrically connected with the input end of the cell and the input end of the door lock control system after passing through the charging control circuit.

Preferably, the intelligent door lock further comprises a battery controller; the output end of the photovoltaic cell panel is electrically connected with the battery controller through the charging control circuit; the battery controller is electrically connected with the battery.

Preferably, the battery comprises an NTC resistor;

and when the temperature of the NTC resistor is higher than a preset value, the battery controller controls the photovoltaic cell panel to stop supplying power.

Preferably, the charging control circuit comprises a control center, an input control circuit and an output control circuit; the output end of the photovoltaic cell panel is electrically connected with the input end of the control center after being input into the control circuit; the output end of the control center is electrically connected with the input end of the battery, the input end of the door lock control system and the battery controller respectively after passing through the output control circuit.

Preferably, the output end of the photovoltaic cell panel comprises a first output end and a second output end; the input end of the control center comprises an IN port, a CHG port, an ACOK port, an EN port and a first NTC port; the first output end is electrically connected with the IN port after being input into the control circuit; the second output end is electrically connected with the first NTC port after being input into the control circuit.

Preferably, the input control circuit comprises a first resistor, a second resistor, a third resistor, a first capacitor, a second capacitor, a first light emitting diode, a second light emitting diode, a first node, a second node, a third node and a fourth node; the first node, the second node, the third node and the fourth node are sequentially arranged on a loop from the first output end to the IN port; the first node is electrically connected with the ground wire, and a first capacitor is connected in series between the first node and the ground wire; the second node is electrically connected with the ground wire, and a second capacitor is connected in series between the second node and the ground wire; the third node is electrically connected with the ACOK port, and a first resistor is connected in series between the third node and the ACOK port; a first light emitting diode is connected in series between the first resistor and the ACOK port; the fourth node is electrically connected with the CHG port and is connected with a second resistor in series; a second light-emitting diode is connected between the second resistor and the CHG port in series; the third resistor is connected in series between the second output terminal and the first NTC port.

Preferably, the input control circuit further comprises a detection point and a fourth resistor; the detection point is arranged at a node between the third resistor and the first NTC port; the detection point is electrically connected with the ground wire, and a fourth resistor is connected in series between the detection point and the ground wire; the output end of the control center comprises a BATT port; the BATT port comprises a third output end; and the third output end is electrically connected with the input end of the battery and the input end of the door lock control system respectively after passing through the output control circuit.

Preferably, the output control circuit comprises a seventh resistor, a third capacitor and a voltage stabilizing diode; the voltage stabilizing diode is connected in series between the third output end and the door lock control system; the BATT port further comprises a fourth output end and a fifth output end; the battery controller comprises a BAT port, a second NTC port and a third GND port; the fourth output end is electrically connected with the BAT port; the fifth output end is electrically connected with the ground wire, and a third capacitor is connected in series between the fifth output end and the ground wire; the third GND port is grounded; the first connecting end of the second NTC port is electrically connected with the first NTC port, and a seventh resistor is connected in series between the first connecting end of the second NTC port and the first NTC port; the second connection terminal of the second NTC port is electrically connected to the battery.

Preferably, the output end of the control center further comprises an ISET port, an IBF port, an SS port, a first GND port and a second GND port; the output control circuit also comprises a fifth resistor, a sixth resistor and a fourth capacitor; the ISET port is connected with the ground wire, and a sixth resistor is connected in series between the ISET port and the ground wire; the IBF port is connected with the ground wire, and a fifth resistor is connected in series between the IBF port and the ground wire; the SS port is connected with the ground wire, a fourth capacitor is connected in series between the SS port and the ground wire, and the first GND port is grounded; the second GND port is grounded.

Has the advantages that:

the utility model discloses an intelligent lock that photovoltaic charges:

1. a photovoltaic cell panel is arranged outside a door body applied to the intelligent door lock, so that an indoor light source and solar energy can be converted into electric energy to supply power for the intelligent door lock and a battery thereof.

2. After the photovoltaic cell panel converts light energy into unstable current, the current flows through the input control circuit, the control center and the output control circuit in sequence, and the current is adjusted to be safe and stable and then supplies power for the battery and the door lock control system, so that the intelligent door is opened and closed safely and stably, and the service life is prolonged.

3. Be equipped with NTC resistance in the battery, when the battery leads to NTC resistance high temperature because photovoltaic cell panel's power supply, battery controller makes control center control photovoltaic cell panel stop for the battery power supply from second NTC mouth transmission signal to first NTC mouth, avoids the overheated burnout of battery, promotes battery life.

Drawings

Fig. 1 is a circuit diagram illustrating a charging control circuit of a photovoltaic panel according to a first embodiment;

fig. 2 is a structural diagram of a photovoltaic charging intelligent door lock according to a second embodiment.

Reference numerals

100. A photovoltaic cell panel; 200. a battery; 300. a door lock control system; 400. an input control circuit; 500. an output control circuit; 600. a control center; 700. a battery controller; 800. a door body; 900. a switch; 1. an IN port; 2. a CHG port; 3. an ACOK port; 4. an EN port; 5. a first NTC port; 6. a first GND port; 7. an SS port; 8. an IBF port; 9. an ISET port; 10. a BATT port; 11. a BAT port; 12. an NTC port; 13. a third GND port; 14. a second GND port; 21. a first capacitor; 22. a second capacitor; 23. a third capacitor; 24. a fourth capacitor; 31. a first resistor; 32. a second resistor; 33. a third resistor; 34. a fourth resistor; 35. a fifth resistor; 36. a sixth resistor; 37. a seventh resistor; 41. a first light emitting diode; 42. a second light emitting diode; 43. a voltage regulator diode; 50. and detecting points.

Detailed Description

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

The technical solution of the present invention will be described in detail with specific embodiments.

First embodiment

As shown in fig. 1, the charging control circuit of a photovoltaic cell panel of the present embodiment includes a control center 600, a photovoltaic cell panel 100, an input control circuit 400, an output control circuit 500, a battery 200, a battery controller 700, and a door lock control system 300; the output end of the photovoltaic cell panel 100 is electrically connected with the input end of the control center 600 after being input into the control circuit 400; the output end of the control center 600 is electrically connected to the input end of the battery 200, the input end of the door lock control system 300 and the battery controller 700 through the output control circuit 500.

Through the current control function of the input control circuit 400, the control center 600 and the output control circuit 500, the unstable current converted by the photovoltaic cell panel 100 from the light energy can safely and stably supply power to the battery 200 and the door lock control system 300.

Preferably, the control center 600 of the present embodiment is an MP2602 charging management chip.

Preferably, the output of the photovoltaic cell panel 100 includes a first output and a second output; the input end of the control center 600 comprises an IN port 1, a CHG port 2, an ACOK port 3, an EN port 4 and a first NTC port 5; the first output end is electrically connected with the IN port 1 through the input control circuit 400; the second output terminal is electrically connected to the first NTC port 5 through the input control circuit 400.

Preferably, the input control circuit 400 includes a first resistor 31, a second resistor 32, a third resistor 33, a first capacitor 21, a second capacitor 22, a first light emitting diode 41, a second light emitting diode 42, a first node, a second node, a third node, and a fourth node; the first node, the second node, the third node and the fourth node are sequentially arranged IN a loop from the first output end to the IN port 1; the first node is electrically connected with the ground wire, and a first capacitor 21 is connected in series between the first node and the ground wire; the second node is electrically connected with the ground wire, and a second capacitor 22 is connected in series between the second node and the ground wire; the third node is electrically connected with the ACOK port 3 and is connected with a first resistor 31 in series; a first light-emitting diode 41 is connected in series between the first resistor 31 and the ACOK port 3; the fourth node is electrically connected to the CHG port 2 and a second resistor 32 is connected in series therebetween; a second light-emitting diode 42 is connected between the second resistor 32 and the CHG port 2 in series; a third resistor 33 is connected in series between the second output terminal and the first NTC port 5.

When the photovoltaic cell panel 100 is powered, the second light emitting diode 42 is on; when the photovoltaic panel 100 is not powered, the first light emitting diode 41 is on.

Preferably, the input control circuit 400 further includes a detection point 50 and a fourth resistor 34; the detecting point 50 is disposed at a node between the third resistor 33 and the first NTC port 5; the detection point 50 is electrically connected to ground and a fourth resistor 34 is connected in series therebetween.

The test points 50 are artificial test points for artificially testing the circuit.

Preferably, the output terminal of the control center 600 includes a BATT port 10; the BATT port 10 includes a third output terminal; the third output terminal is electrically connected to the input terminal of the battery 200 and the input terminal of the door lock control system 300 through the output control circuit 500.

Preferably, the output control circuit 500 includes a seventh resistor 37, a third capacitor 23, a zener diode 43, and a battery controller 700; the voltage stabilizing diode 43 is connected in series between the third output end and the door lock control system 300; the BATT port 10 further includes a fourth output terminal and a fifth output terminal; the battery controller 700 includes a BAT port 11, a second NTC port 12, and a third GND port 13; the fourth output end is electrically connected with the BAT port 11; the fifth output end is electrically connected with the ground wire, and a third capacitor 23 is connected in series between the fifth output end and the ground wire; the third GND port 13 is grounded; the first connection end of the second NTC port 12 and the first NTC port 5 are electrically connected and a seventh resistor 37 is connected in series; the second connection terminal of the second NTC port 12 is electrically connected to the battery 200.

Preferably, the output end of the control center 600 further includes an ISET port 9, an IBF port 8, an SS port 7, a first GND port 6, and a second GND port 14; the output control circuit 500 further includes a fifth resistor 35, a sixth resistor 36, and a fourth capacitor 24; the ISET port 9 is connected with the ground wire, and a sixth resistor 36 is connected in series between the ISET port and the ground wire; the IBF port 8 is connected with the ground wire, and a fifth resistor 35 is connected in series between the IBF port and the ground wire; the SS port 7 is connected with the ground wire, a fourth capacitor 24 is connected in series between the SS port and the ground wire, and the first GND port 6 is grounded; the second GND port 14 is grounded.

Preferably, the second GND port 14 is the bottom of the MP2602 charge management chip, and the ground connection is favorable for heat dissipation of the chip.

The charging control circuit of the photovoltaic cell panel of the embodiment, after the photovoltaic cell panel 100 converts the light energy into the unstable current, the unstable current flows through the input control circuit 400, the control center 600 and the output control circuit 500 in sequence, and the current is adjusted to be safe and stable and then supplies power to the battery 200 and the door lock control system 300, so that the charging safety and stability of the photovoltaic cell panel are improved.

Second embodiment

As shown in fig. 2, the present embodiment provides a photovoltaic charged intelligent door lock, where the intelligent door lock is used on a door body 800, and the intelligent door lock includes a switch 900, a photovoltaic cell panel 100, a battery 200, and a door lock control system 300; the photovoltaic cell panel 100 is arranged on one side of the door body 800; the switch 900 is arranged on the other side of the door body 800, which is opposite to the photovoltaic cell panel 100; the battery 200 and the door lock control system 300 are arranged inside the door body 800; the switch 900 is electrically connected to the door lock control system 300; the battery 200 is electrically connected with the door lock control system 300; the photovoltaic cell panel 100 is used for receiving indoor light or ambient light to charge the battery 200, and the photovoltaic cell panel 100 is electrically connected with the battery 200 and the door lock control system 300.

A photovoltaic cell panel 100 is installed outside a door body applied to the intelligent door lock, so that an indoor light source and solar energy can be converted into electric energy to supply power to the intelligent door lock and a battery 200 of the intelligent door lock.

Preferably, the intelligent door lock further comprises a charging control circuit of the photovoltaic cell panel of the first embodiment; the output end of the photovoltaic cell panel 100 is electrically connected to the input end of the battery 200 and the input end of the door lock control system 300 through the charging control circuit.

Preferably, the smart door lock further comprises a battery controller 700; the output end of the photovoltaic cell panel 100 is electrically connected with the cell controller 700 through the charging control circuit; the battery controller 700 is electrically connected to the battery 200.

Preferably, the battery 200 includes an NTC resistor;

and a battery controller 700 for controlling the photovoltaic panel 100 to stop supplying power when the temperature of the NTC resistor is higher than a preset value.

The door lock control system 300 controls the switch 900 to be turned on or off.

A battery 200 for supplying power to the door lock control system 300,

in the actual operation process, sunlight and an indoor light source can be absorbed by the photovoltaic cell panel 100 arranged on the rear surface of the door body 800 and converted into current, then the current flows through the charging control circuit, and the current is regulated by the circuit to be safe and stable, and then the power is supplied to the battery 200 of the intelligent switch door and the door lock control system 300. Wherein the battery 200 is a 4.2V rechargeable lithium battery, the electric energy of the photovoltaic cell panel 100 is stored in the battery 200 to charge it, and the battery 200 also supplies power to the door lock control system 300. When the NTC resistor in the battery 200 is too high due to the charging temperature, the battery controller 700 sends a signal to the first NTC port 5 through the second NTC port 12, so that the control center 600 controls the photovoltaic cell panel 100 to stop supplying power to the battery 200, thereby effectively avoiding the overheating and burning out of the battery 200 and prolonging the service life of the battery 200.

It is right above the utility model provides an embodiment of the intelligent lock that photovoltaic charges has carried out the elaboration. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can also make several improvements and modifications, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. The intelligent photovoltaic charging door lock is characterized by being used on a door body (800), and comprising a switch (900), a photovoltaic cell panel (100), a battery (200) and a door lock control system (300); the photovoltaic cell panel (100) is arranged on one side of the door body (800); the switch (900) is arranged on the other side, opposite to the photovoltaic cell panel (100), of the door body (800); the battery (200) and the door lock control system (300) are arranged inside the door body (800); the switch (900) is electrically connected with the door lock control system (300); the battery (200) is electrically connected with the door lock control system (300); the photovoltaic panel (100) is electrically connected with the battery (200) and the door lock control system (300).

2. The intelligent door lock of claim 1, further comprising a charge control circuit for a photovoltaic panel; the output end of the photovoltaic cell panel (100) is electrically connected with the input end of the battery (200) and the input end of the door lock control system (300) through the charging control circuit.

3. The intelligent door lock according to claim 2, further comprising a battery controller (700); the output end of the photovoltaic cell panel (100) is electrically connected with the cell controller (700) through the charging control circuit; the battery controller (700) is electrically connected to the battery (200).

4. The intelligent door lock according to claim 3, characterized in that the battery (200) comprises an NTC resistor; when the temperature of the NTC resistor is higher than a preset value, the battery controller (700) controls the photovoltaic cell panel (100) to stop supplying power.

5. The intelligent door lock according to claim 4, wherein the charging control circuit comprises a control center (600), an input control circuit (400), an output control circuit (500); the output end of the photovoltaic cell panel (100) is electrically connected with the input end of the control center (600) through the input control circuit (400); the output end of the control center (600) is electrically connected with the input end of the battery (200), the input end of the door lock control system (300) and the battery controller (700) respectively after passing through the output control circuit (500).

6. The intelligent door lock according to claim 5, characterized in that the output of the photovoltaic panel (100) comprises a first output and a second output; the input end of the control center (600) comprises an IN port, a CHG port, an ACOK port, an EN port and a first NTC port; the first output end is electrically connected with the IN port after passing through the input control circuit (400); the second output end is electrically connected with the first NTC port after passing through the input control circuit (400).

7. The intelligent door lock according to claim 6, characterized in that the input control circuit (400) comprises a first resistor (31), a second resistor (32), a third resistor (33), a first capacitor (21), a second capacitor (22), a first light emitting diode (41), a second light emitting diode (42), a first node, a second node, a third node, a fourth node; the first node, the second node, the third node and the fourth node are sequentially arranged on a loop from the first output end to the IN port; the first node and the ground wire are electrically connected and the first capacitor (21) is connected in series between the first node and the ground wire; the second node and the ground wire are electrically connected and the second capacitor (22) is connected in series between the second node and the ground wire; the third node is electrically connected with the ACOK port and is connected with the first resistor (31) in series; the first light-emitting diode (41) is connected in series between the first resistor (31) and the ACOK port; the fourth node and the CHG port are electrically connected and the second resistor (32) is connected in series between the fourth node and the CHG port; the second light-emitting diode (42) is connected in series between the second resistor (32) and the CHG port; the third resistor (33) is connected in series between the second output terminal and the first NTC port.

8. The intelligent door lock according to claim 7, wherein the input control circuit (400) further comprises a detection point (50) and a fourth resistor (34); the detection point (50) is arranged at a node between the third resistor (33) and the first NTC port; the detection point (50) is electrically connected with the ground wire, and the fourth resistor (34) is connected in series between the detection point and the ground wire; the output end of the control center (600) comprises a BATT port; the BATT port comprises a third output end; and the third output end is electrically connected with the input end of the battery (200) and the input end of the door lock control system (300) respectively after passing through the output control circuit (500).

9. The intelligent door lock according to claim 8, characterized in that the output control circuit (500) comprises a seventh resistor (37), a third capacitor (23), a zener diode (43); the voltage stabilizing diode (43) is connected in series between the third output end and the door lock control system (300); the BATT port further comprises a fourth output end and a fifth output end; the battery controller (700) comprises a BAT port, a second NTC port and a third GND port; the fourth output end is electrically connected with the BAT port; the fifth output end is electrically connected with the ground wire, and the third capacitor (23) is connected in series between the fifth output end and the ground wire; the third GND port is grounded; the first connecting end of the second NTC port and the first NTC port are electrically connected and the seventh resistor (37) is connected in series; the second connection terminal of the second NTC port is electrically connected to the battery.

10. The intelligent door lock according to claim 9, characterized in that the output of the control center (600) further comprises an ISET port, an IBF port, an SS port, a first GND port, a second GND port; the output control circuit (500) further comprises a fifth resistor (35), a sixth resistor (36) and a fourth capacitor (24); the ISET port and the ground wire are connected, and the sixth resistor (36) is connected in series between the ISET port and the ground wire; the IBF port and the ground wire are connected, and the fifth resistor (35) is connected in series between the IBF port and the ground wire; the SS port and the ground wire are connected, the fourth capacitor (24) is connected in series between the SS port and the ground wire, and the first GND port is grounded; the second GND port is grounded.

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