CN212507892U - Intelligent door and window controller - Google Patents
Intelligent door and window controller Download PDFInfo
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- CN212507892U CN212507892U CN202020642543.4U CN202020642543U CN212507892U CN 212507892 U CN212507892 U CN 212507892U CN 202020642543 U CN202020642543 U CN 202020642543U CN 212507892 U CN212507892 U CN 212507892U
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Abstract
The utility model relates to an intelligent door and window control field discloses an intelligent door and window controller, which comprises a single chip microcomputer, a temperature sensor, a rainwater detection module, a window linkage device, a door linkage device and a power module, wherein the single chip microcomputer is respectively connected with the temperature sensor, the rainwater detection module, the window linkage device, the door linkage device and the power module; the power supply module comprises a voltage input end, a first capacitor, a first inductor, a second inductor, a first resistor, a first diode, a first triode, a second resistor, a third resistor, a fourth resistor, a first operational amplifier, a second capacitor, a fifth resistor, a sixth resistor, a third capacitor, a fourth capacitor and a voltage output end, wherein the voltage input end is connected with one end of the first capacitor and one end of the first inductor respectively. The utility model discloses circuit structure is comparatively simple, the cost is lower, the security and the reliability of convenient maintenance, circuit are higher.
Description
Technical Field
The utility model relates to an intelligent door and window control field, in particular to intelligent door and window controller.
Background
The intelligent door and window generally refers to a door and window provided with advanced anti-theft, anti-robbery and alarm system technologies. The intelligent door and window is widely applied to public places, high-grade commercial rooms and markets. The intelligent door and window controller consists of a wireless remote controller, an intelligent main controller, a door and window driver and the like. The opening, closing and any stopping of the door and window (curtain) can be remotely controlled in a wireless way at any position in the room. Fig. 1 is a schematic circuit diagram of a power supply part of a conventional intelligent door and window controller, and it can be seen from fig. 1 that the power supply part of the conventional intelligent door and window controller uses a large number of components and parts, and has a complex circuit structure, high hardware cost and inconvenient maintenance. In addition, because the power supply part of the traditional smart door and window controller lacks corresponding circuit protection functions, for example: the safety and reliability of the circuit are poor due to the lack of the current-limiting protection function.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a circuit structure comparatively simple, the cost is lower, the security and the higher intelligent door and window controller of reliability of convenient maintenance, circuit.
The utility model provides a technical scheme that its technical problem adopted is: the intelligent door and window controller comprises a single chip microcomputer, a temperature sensor, a rainwater detection module, a window linkage device, a door linkage device and a power module, wherein the single chip microcomputer is respectively connected with the temperature sensor, the rainwater detection module, the window linkage device, the door linkage device and the power module;
the power supply module comprises a voltage input end, a first capacitor, a first inductor, a second inductor, a first resistor, a first diode, a first triode, a second resistor, a third resistor, a fourth resistor, a first operational amplifier, a second capacitor, a fifth resistor, a sixth resistor, a third capacitor, a fourth capacitor and a voltage output end, wherein the voltage input end is respectively connected with one end of the first capacitor and one end of the first inductor, the other end of the first inductor is respectively connected with one end of the first resistor, the anode of the first diode, one end of the third capacitor and the voltage output end, the base of the first triode is connected with the other end of the first resistor, the collector of the first triode is connected with the cathode of the first diode, the other end of the first capacitor and one end of the second inductor are both grounded, the emitting electrode of the first triode is respectively connected with the other end of the second inductor and one end of the second resistor, the inverting input end of the first operational amplifier is grounded through the third resistor, the non-inverting input end of the first operational amplifier is respectively connected with one end of the second capacitor and the output end of the second operational amplifier through the fourth resistor, the non-inverting input end of the second operational amplifier is grounded through the fifth resistor, the inverting input end of the second operational amplifier is respectively connected with the other end of the second capacitor and one end of the sixth resistor, the output end of the first operational amplifier is respectively connected with the other end of the sixth resistor, the other end of the third capacitor and one end of the fourth capacitor, and the other end of the fourth capacitor is grounded.
In the intelligent door and window controller of the present invention, the first diode is L-1822.
In the intelligent door and window controller, the power module further includes a seventh resistor, one end of the seventh resistor is connected to the emitter of the first triode, and the other end of the seventh resistor is connected to one end of the second resistor.
In the intelligent door and window controller of the present invention, the resistance of the seventh resistor is 35k Ω.
In the intelligent door and window controller of the present invention, the first transistor is an NPN transistor.
Implement the utility model discloses an intelligent door and window controller has following beneficial effect: because the intelligent door and window controller is provided with the singlechip, the temperature sensor, the rainwater detection module, the window linkage device, the door linkage device and the power module, the power module comprises a voltage input end, a first capacitor, a first inductor, a second inductor, a first resistor, a first diode, a first triode, a second resistor, a third resistor, a fourth resistor, a first operational amplifier, a second capacitor, a fifth resistor, a sixth resistor, a third capacitor, a fourth capacitor and a voltage output end, compared with the power supply part of the traditional intelligent door and window controller, the used components are fewer, the hardware cost can be reduced because some components are saved, in addition, the first diode is a current-limiting diode, the current limiting protection circuit is used for current limiting protection, so that the circuit structure is simple, the cost is low, the maintenance is convenient, and the safety and the reliability of the circuit are high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic circuit diagram of a power supply part of a conventional smart door/window controller;
fig. 2 is a schematic structural view of an embodiment of the smart door/window controller of the present invention;
fig. 3 is a schematic circuit diagram of the power supply module in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses in the intelligent door and window controller embodiment, this intelligent door and window controller's schematic structure diagram is shown in fig. 2. In fig. 2, the intelligent door and window controller comprises a single chip microcomputer 1, a temperature sensor 2, a rainwater detection module 3, a window linkage device 4, a door linkage device 5 and a power module 6, wherein the single chip microcomputer 1 is respectively connected with the temperature sensor 2, the rainwater detection module 3, the window linkage device 4, the door linkage device 5 and the power module 6.
The rainwater detection module 3 is replaced by a humidity-sensitive sensor, so that the detection precision can be improved, and the misoperation frequency is reduced. The temperature sensor 2 adopts an RC charge-discharge circuit, and the pin with the AD function of the singlechip 1 detects the charge-discharge time and judges the outdoor temperature value. The temperature sensor 2 employs a digital temperature sensor DS18B 20.
In this embodiment, the single chip microcomputer 1, the temperature sensor 2, the rainwater detection module 3, the window linkage 4 and the door linkage 5 are all realized by adopting structures in the prior art, the working principle of the single chip microcomputer is also the working principle in the prior art, and the mastiff description is omitted here.
Fig. 3 is a schematic circuit diagram of a power module in this embodiment, in fig. 3, the power module 6 includes a voltage input terminal Vin, a first capacitor C1, a first inductor L1, a second inductor L2, a first resistor R1, a first diode D1, a first transistor Q1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first operational amplifier a1, a second operational amplifier a2, a second capacitor C2, a fifth resistor R5, a sixth resistor R6, a third capacitor C3, a fourth capacitor C4, and a voltage output terminal Vo, the voltage input terminal Vin is respectively connected to one end of a first capacitor C1 and one end of a first inductor L1, the other end of the first inductor L1 is respectively connected to one end of a first resistor R7, an anode of a first diode D1, one end of a third capacitor C3, and the voltage output terminal Vo, the base of the first diode Q3 is connected to the cathode 3 of the first transistor D3, the other end of the first capacitor C1 and one end of the second inductor L2 are both grounded, an emitter of the first triode Q1 is connected to the other end of the second inductor L2 and one end of the second resistor R2 respectively, an inverting input terminal of the first operational amplifier a1 is grounded through the third resistor R3, a non-inverting input terminal of the first operational amplifier a1 is connected to one end of the second capacitor C2 and one end of the second operational amplifier a2 through the fourth resistor R4 respectively, a non-inverting input terminal of the second operational amplifier a2 is grounded through the fifth resistor R5, an inverting input terminal of the second operational amplifier a2 is connected to the other end of the second capacitor C2 and one end of the sixth resistor R6 respectively, an output terminal of the first operational amplifier a1 is connected to the other end of the sixth resistor R6, the other end of the third capacitor C3 and one end of the fourth capacitor C4 respectively, and the other end of the fourth capacitor C4 is grounded.
Compared with the power supply part of the traditional intelligent door and window controller, the power supply module 6 has the advantages of fewer used components, simpler circuit structure and convenient maintenance, and can reduce the hardware cost due to the fact that some components are saved. In addition, the first diode D1 is a current limiting diode for current limiting protection of the collector current of the first transistor Q1. The current limiting protection principle is as follows: when the collector current of the first triode Q1 is large, the first diode D1 can reduce the collector current of the first triode Q1 to keep the first triode Q1 in a normal working state, and the device in the circuit is not burnt out due to the large current, so that the safety and reliability of the circuit are high. It should be noted that in the present embodiment, the first diode D1 is of a type L-1822. Of course, in practical applications, the first diode D1 may also be another type of diode with the same function.
In this embodiment, the first transistor Q1 is an NPN transistor. Of course, in practical application, the first transistor Q1 may also be a PNP transistor, but the structure of the circuit is changed accordingly.
The power module 6 adopts a three-stage filtering structure, and the first-stage filtering structure is composed of a first inductor L1 and a first capacitor C1. The second-stage filtering structure is composed of a first triode Q1, a first operational amplifier A1 and a second operational amplifier A2, a second inductor L2 plays a role in limiting current, the output of the second-stage filtering structure changes according to the fluctuation of input voltage, and then the potential difference between a third capacitor C3 and a fourth capacitor C4 is changed, so that the third-stage filtering structure composed of a third capacitor C3 and a fourth capacitor C4 can be actively adjusted according to the voltage fluctuation, and the filtering effect of the whole filtering circuit is improved. The utility model discloses simple structure, the reliability is high.
In this embodiment, the power module 6 further includes a seventh resistor R7, one end of the seventh resistor R7 is connected to the emitter of the first transistor Q1, and the other end of the seventh resistor R7 is connected to one end of the second resistor R2. The seventh resistor R7 is a current limiting resistor, and is used for current limiting protection of the emitter current of the first transistor Q1. The current limiting protection principle is as follows: when the emitter current of the first triode Q1 is large, the seventh resistor R7 can reduce the emitter current of the first triode Q1 to keep the first triode Q1 in a normal working state, so that the elements in the circuit are not burnt out due to too large current, and the safety and reliability of the circuit are further enhanced. It should be noted that, in the present embodiment, the resistance of the seventh resistor R7 is 35k Ω. Of course, in practical applications, the resistance of the seventh resistor R7 may be increased or decreased according to specific situations.
In a word, in this embodiment, this power module 6 compares with the power supply part of traditional intelligent door and window controller, and its components and parts that use are less, and circuit structure is comparatively simple, and the cost is lower, owing to saved some components and parts, can reduce the hardware cost like this. In addition, the power module 6 is provided with a current-limiting diode, so that the safety and the reliability of the circuit are high.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An intelligent door and window controller is characterized by comprising a single chip microcomputer, a temperature sensor, a rainwater detection module, a window linkage device, a door linkage device and a power module, wherein the single chip microcomputer is respectively connected with the temperature sensor, the rainwater detection module, the window linkage device, the door linkage device and the power module;
the power supply module comprises a voltage input end, a first capacitor, a first inductor, a second inductor, a first resistor, a first diode, a first triode, a second resistor, a third resistor, a fourth resistor, a first operational amplifier, a second capacitor, a fifth resistor, a sixth resistor, a third capacitor, a fourth capacitor and a voltage output end, wherein the voltage input end is respectively connected with one end of the first capacitor and one end of the first inductor, the other end of the first inductor is respectively connected with one end of the first resistor, the anode of the first diode, one end of the third capacitor and the voltage output end, the base of the first triode is connected with the other end of the first resistor, the collector of the first triode is connected with the cathode of the first diode, the other end of the first capacitor and one end of the second inductor are both grounded, the emitting electrode of the first triode is respectively connected with the other end of the second inductor and one end of the second resistor, the inverting input end of the first operational amplifier is grounded through the third resistor, the non-inverting input end of the first operational amplifier is respectively connected with one end of the second capacitor and the output end of the second operational amplifier through the fourth resistor, the non-inverting input end of the second operational amplifier is grounded through the fifth resistor, the inverting input end of the second operational amplifier is respectively connected with the other end of the second capacitor and one end of the sixth resistor, the output end of the first operational amplifier is respectively connected with the other end of the sixth resistor, the other end of the third capacitor and one end of the fourth capacitor, and the other end of the fourth capacitor is grounded.
2. The smart door/window controller as claimed in claim 1, wherein the first diode is L-1822.
3. The intelligent door and window controller according to claim 2, wherein the power module further comprises a seventh resistor, one end of the seventh resistor is connected to the emitter of the first triode, and the other end of the seventh resistor is connected to one end of the second resistor.
4. The smart door/window controller according to claim 3, wherein the resistance of the seventh resistor is 35k Ω.
5. The intelligent door and window controller as claimed in any one of claims 1 to 4, wherein the first transistor is an NPN transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642543.4U CN212507892U (en) | 2020-04-24 | 2020-04-24 | Intelligent door and window controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642543.4U CN212507892U (en) | 2020-04-24 | 2020-04-24 | Intelligent door and window controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212507892U true CN212507892U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020642543.4U Expired - Fee Related CN212507892U (en) | 2020-04-24 | 2020-04-24 | Intelligent door and window controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212507892U (en) |
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2020
- 2020-04-24 CN CN202020642543.4U patent/CN212507892U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |