CN215835152U - Low-power-consumption air conditioner management device and equipment - Google Patents
Low-power-consumption air conditioner management device and equipment Download PDFInfo
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- CN215835152U CN215835152U CN202121331903.XU CN202121331903U CN215835152U CN 215835152 U CN215835152 U CN 215835152U CN 202121331903 U CN202121331903 U CN 202121331903U CN 215835152 U CN215835152 U CN 215835152U
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Abstract
The embodiment of the utility model discloses an air conditioner management device with low power consumption and equipment, wherein the device comprises: the device comprises a main control module, a clock module, a crystal oscillator module and a key module; the main control module is used for controlling the air conditioner to work according to an air conditioner instruction, and after the air conditioner instruction is executed, the main control module enters a sleep mode according to a preset switching instruction; the clock module is used for switching the main control module in the sleep mode into a working mode according to preset appointed time so that the main control module controls the air conditioner to work according to an air conditioner instruction; the crystal oscillator module is used for providing timing pulses for the main control module in the working mode so that the main control module controls the air conditioner to work according to the air conditioner instruction; the key module is used for switching the main control module in the sleep mode into a working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction. Through the clock module and the key module, the main control module in the sleep mode is switched into the working mode in two awakening modes, and the main control module can be awakened without adding a detection module to reduce loss.
Description
Technical Field
The utility model relates to the technical field of air conditioner control, in particular to an air conditioner management device and equipment with low power consumption.
Background
At present, most of air conditioners are provided with a remote controller for users to realize remote control of the air conditioners, the remote controller is provided with a power supply battery to provide power required by operation of the remote controller, and the remote controller is provided with a power-saving mode to provide a more power-saving or energy-saving control mode due to the limited power of the battery. The existing power saving mode is switched by setting a sensor, for example: after the remote controller is static for a period of time, the vibration sensor can not detect the vibration signal, the mode is switched to a power-saving mode, and most of power supplies are turned off so that the remote controller can save power consumption. When the remote controller is moved again, the vibration sensor detects the vibration signal and switches the vibration signal into a working mode to receive a control instruction to control the air conditioner, and the existing remote controller still consumes power even in a power-saving mode, so that the energy-saving effect of the existing remote controller is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an air conditioner management device and equipment with low power consumption, which can solve the problem of poor energy-saving effect of an air conditioner remote controller in the prior art.
To achieve the above object, a first aspect of the present invention provides an air conditioning management device with low power consumption, the device comprising: the device comprises a main control module, a clock module, a crystal oscillator module and a key module; the first end of the main control module is connected with the first end of the clock module, the first end of the crystal oscillator module is respectively connected with the second end of the main control module and the first end of the clock module, and the first end of the key module is connected with the first end of the main control module;
the main control module is used for controlling the air conditioner to work according to an air conditioner instruction, and after the air conditioner instruction is executed, the main control module enters a sleep mode according to a preset switching instruction;
the clock module is used for switching the main control module in the sleep mode into a working mode according to preset appointed time so that the main control module controls the air conditioner to work according to an air conditioner instruction;
the crystal oscillator module is used for providing timing pulses for the main control module in the working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction;
the key module is used for switching the main control module in the sleep mode into a working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction.
In order to achieve the above object, a second aspect of the present invention provides a low power consumption air conditioning management apparatus including the low power consumption air conditioning management device according to the first aspect.
The embodiment of the utility model has the following beneficial effects:
the embodiment of the utility model discloses an air conditioner management device with low power consumption, which comprises: the device comprises a main control module, a clock module, a crystal oscillator module and a key module; the first end of the main control module is connected with the first end of the clock module, the first end of the crystal oscillator module is respectively connected with the second end of the main control module and the second end of the clock module, and the first end of the key module is connected with the first end of the main control module; the main control module is used for controlling the air conditioner to work according to an air conditioner instruction, and after the air conditioner instruction is executed, the main control module enters a sleep mode according to a preset switching instruction; the clock module is used for switching the main control module in the sleep mode into a working mode according to preset appointed time so that the main control module controls the air conditioner to work according to an air conditioner instruction; the crystal oscillator module is used for providing timing pulses for the main control module in the working mode so that the main control module controls the air conditioner to work according to the air conditioner instruction; the key module is used for switching the main control module in the sleep mode into a working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction. Through the clock module and the key module, the main control module in the sleep mode is switched into the working mode in two awakening modes, and the main control module can be awakened without adding a detection module to reduce loss.
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 the drawings without creative efforts.
Wherein:
fig. 1 is a schematic structural diagram of an air conditioning management device with low power consumption according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a part of circuit connections of an air conditioning management device with low power consumption according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a low power consumption air conditioning management device according to an embodiment of the present invention, and the low power consumption air conditioning management device shown in fig. 1 includes: the key module comprises a main control module 101, a key module 102, a clock module 103 and a crystal oscillator module 104.
The first end of the main control module 101 is connected to the first end of the clock module 103, the first end of the crystal oscillator module 104 is connected to the second end of the main control module 101 and the second end of the clock module 103, respectively, and the first end of the key module 102 is connected to the first end of the main control module 101.
It should be noted that the main control module 101 is configured to control the air conditioner to operate according to an air conditioner instruction, the main control module 101 defaults that the operating state is a sleep state, and an "wake-up" operation needs to be performed before the air conditioner is controlled to operate according to the air conditioner instruction each time, that is, the main control module 101 in the sleep mode is switched to the operating mode, and executes a related air conditioner instruction to control the air conditioner, and enters the sleep mode according to a preset switching instruction after the air conditioner instruction is executed. The preset switching instruction is used for the main control module 101 to switch the state between the sleep mode and the working mode, and can be implemented by a program instruction pre-loaded in the main control module 101.
The air conditioner command comprises an air conditioner command which is not limited to air conditioner opening, air conditioner closing, air conditioner refrigerating, air conditioner heating, air conditioner dehumidifying and the like and can control the air conditioner, so that the air conditioner is controlled according to the command to further improve the environmental condition of the environment where the air conditioner is located.
The clock module 103 is configured to switch the main control module 101 in the sleep mode to an operating mode according to a preset appointed time, so that the main control module 101 controls the air conditioner to operate according to an air conditioner instruction.
Illustratively, the clock module 103 is a real-time clock module 103. The preset appointed time can be 6 am every day, and when the time is 6 am, the clock module 103 sends out a wakeup signal to switch the main control module 101 in the sleep mode to a working mode; the preset appointed time can also be multiple time points of each day, and the clock module 103 will send out a "wake-up signal" at each of the multiple time points to switch the main control module 101 in the sleep mode to the working mode. The above description is by way of example only and is not intended to be limiting.
The crystal oscillator module 104 is configured to provide a timing pulse for the main control module 101 in the working mode, so that the main control module 101 controls the air conditioner to work according to an air conditioning instruction.
It can be understood that the crystal oscillator module 104 is configured to provide an accurate timing pulse for the main control chip to operate, so that the main control chip can send an accurate infrared control signal according to an air conditioning instruction, so that the main control module 101 controls the air conditioner to operate according to the air conditioning instruction.
The key module 102 is configured to switch the main control module 101 in the sleep mode to an operating mode, so that the main control module 101 controls the air conditioner to operate according to an air conditioning instruction.
It can be understood that a user may wake up the main control module 101 in the sleep mode by using the key module 102 to switch the main control module 101 to the working mode, and when the main control module 101 is woken up by using the key module 102, if the main control module 101 does not receive an air conditioning instruction within a preset time period, the main control module may re-enter the sleep mode, so that the air conditioning management apparatus realizes low power consumption.
The embodiment of the utility model discloses an air conditioner management device with low power consumption, which comprises: the device comprises a main control module, a clock module, a crystal oscillator module and a key module; the first end of the main control module is connected with the first end of the clock module, the first end of the crystal oscillator module is respectively connected with the second end of the main control module and the second end of the clock module, and the first end of the key module is connected with the first end of the main control module; the main control module is used for controlling the air conditioner to work according to an air conditioner instruction, and after the air conditioner instruction is executed, the main control module enters a sleep mode according to a preset switching instruction; the clock module is used for switching the main control module in the sleep mode into a working mode according to preset appointed time so that the main control module controls the air conditioner to work according to an air conditioner instruction; the crystal oscillator module is used for providing timing pulses for the main control module in the working mode so that the main control module controls the air conditioner to work according to the air conditioner instruction; the key module is used for switching the main control module in the sleep mode into a working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction. Through the clock module and the key module, the main control module in the sleep mode is switched into the working mode in two awakening modes, and the main control module can be awakened without adding a detection module to reduce loss.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating a connection of a part of a circuit of a low power consumption air conditioning management apparatus according to an embodiment of the present invention.
In a feasible implementation manner, as shown in fig. 2, the main control module 201 may be an MCU, wherein the first end, the second end, and the second end of the main control module 201 are IO ports of the MCU, further, the first end of the main control module 201 is WKP, the second end of the main control module 201 is PA6, the third end of the main control module 201 is CLKIN, wherein WKP is a pulse signal receiving port of the MCU in the working mode, PA6 is used for the MCU to send a pulse signal output port, and CLKIN is a clock receiving port for the MCU to receive timing pulses.
The key module 202 includes a key RS2, a Schottky diode D9 and a key resistor R7, wherein the Schottky diode D9 is 1N5819HW-7-F in model number, and the key resistor R7 is 10K Ω.
The clock module 203 includes a clock chip U4, a first crystal oscillator chip X2, a first filter circuit 213, a first pull-up circuit 223, and a first filter capacitor.
Further, the clock chip U4 has model PCF8563TS/5, the clock chip U4 has 8 pins, and the 8 pins are respectively: a first pin OSCI, a second pin OSCO, a third pin INT, a fourth pin VSS, a fifth pin SDA, a sixth pin SCL, a seventh pin CLKOUT, and an eighth pin VDD, wherein the first end of the clock module 203 is the third pin INT of the clock chip U4, the clock chip is a real-time clock chip, and the first pin OSCI is an oscillator input pin; a second pin OSCO oscillator output pin; the third pin/INT is an interrupt output (open drain: active low); the fourth pin VSS is a ground terminal; the fifth pin is an SDA and is a serial data port; the sixth pin is SCL as serial clock input; a seventh pin CLKOUT is a clock output; and the eighth pin VDD is a power voltage terminal.
The model of the first crystal oscillator chip X2 is TG-3541CE (32.768KHz), and the timing pulse is 32.768KHz, where the first crystal oscillator chip X2 has 10 pins, and the 10 pins are: the first pin OE, the second pin VCC, the third pin VCC, the fourth pin OUT, the fifth pin GND, the sixth pin NC, the seventh pin GND, the eighth pin GND, the ninth pin GND and the tenth pin NC, wherein the first crystal oscillator chip X2 is an active crystal oscillator, the first pin OE is an operation enable, the second pin and the third pin VCC are power voltage terminals, the fourth pin OUT is an output terminal, the fifth pin, the seventh pin, the GND of the eighth pin and the ninth pin is a ground terminal, and the NC of the sixth pin and the tenth pin is an enable terminal.
The first filter circuit 213 includes a resistor R14 and a capacitor C7, wherein the resistor R14 is 270 Ω, and the capacitor C7 is 20 μ F/25V.
The first pull-up circuit 223 includes a resistor R27 and a resistor R28, wherein the resistor R27 and the resistor R28 are both 10K Ω, and the first pull-up circuit 223 is configured to ensure that the fifth pin SDA and the sixth pin SCL are in a high state when the I2C bus serial interface of the clock chip communicates.
The first filter capacitor comprises a capacitor C5 and a capacitor C6 which are connected in parallel, wherein the capacitor C5 is 1 muF/25V, and the capacitor C6 is 100 muF/25V.
The crystal oscillator module 204 includes a second crystal oscillator chip X1, a second filter capacitor C20, and a second filter circuit 214.
Further, the model of the second crystal oscillator chip X1 is SG-210STF (8MHz), the timing pulse is 8MHz, wherein the second crystal oscillator chip X1 has 4 pins, and the 4 pins are: the first pin ST, the second pin GND, the third pin OUT and the fourth pin VCC, the timing pulse of the second crystal oscillator chip X1 is 8MHz, wherein the first end of the crystal oscillator module 204 is the first pin ST of the second crystal oscillator chip X1, wherein the first crystal oscillator chip X2 is an active crystal oscillator, the first pin ST is an enable terminal, the second pin GND is a ground terminal, the third pin OUT is a signal output terminal, and the fourth pin VCC is a power supply voltage terminal.
The second filter capacitor C20 is 100 μ F/50V.
The second filter circuit 214 includes a resistor R35 and a capacitor C19, wherein the resistor R35 is 150 Ω and the capacitor C19 is 100 μ F/50V.
In a feasible implementation manner, a second pull-up circuit 205 is further included between the first end WKP of the master control module 201 and the second end of the clock module, and the second pull-up circuit 205 includes a first switch element Q5, a first pull-up resistor R26, and a first current-limiting resistor R29, where the model of the first switch element Q5 is NCE3401AY, the first pull-up resistor R26 is 10K Ω, and the first current-limiting resistor R29 is 10K Ω.
In a feasible implementation manner, a pull-down circuit 206 is further included between the third end of the crystal oscillator module and the second end of the main control module, and the pull-down circuit includes a pull-down resistor R30, a second switching element Q6, and a second current-limiting resistor R31, where the pull-down resistor R30 is 100K Ω, the second switching element Q6 is 2N7002, and the second current-limiting resistor R31 is 1M Ω.
It is to be understood that the performance parameters and the types of the components may be selected according to actual needs, and therefore, the above description is only an example and is not limited to the specific details.
In an embodiment of the present invention, the specific connection relationship among the main control module 201, the key module 202, the clock module 203, the crystal oscillator module 204, the second pull-up circuit 205, and the pull-down circuit 206 is as follows:
the first end of the key module 202 is the first end of the key resistor R7, and the first end of the key resistor R7 is connected to the first end WKP of the main control module 201; the first end of the key RS2 is connected with a power supply voltage end, the second end of the key RS2 is connected with the anode of the Schottky diode D9, and the cathode of the Schottky diode D9 is connected with the second end of the key resistor R7.
The first end of the clock module 203 is the third pin INT of the clock chip U4, and the third pin INT of the clock chip U4 is connected to the first end WKP of the main control module 201; the first pin OSCI of the clock chip U4 is connected with the fourth pin OUT of the first crystal oscillator chip X2; a first filter circuit 213 is connected between the first pin OSCI of the clock chip U4 and the fourth pin OUT of the first crystal oscillator chip X2; a fourth pin VSS of the clock chip U4 is connected to a common ground terminal; the first filter circuit 213 is further connected between the fourth pin VSS of the clock chip U4 and the common ground; the fifth pin SDA of the clock chip U4 is connected with the first output end of the first pull-up circuit; a sixth pin of the clock chip U4 is an SCL terminal and is connected with the second output terminal of the pull-up circuit; the input end of the first pull-up circuit is connected with a power supply voltage end; an eighth pin VDD of the clock chip U4 is connected with a power supply voltage end; the input end of a first filter capacitor is electrically connected between the power supply voltage end and an eighth pin VDD of the clock chip U4; the output end of the first filter capacitor is connected with a common ground end; a first pin OE, a second pin VCC and a third pin VCC of the first crystal oscillator chip X2 are all connected with a power supply voltage end; the fifth pin GND, the sixth pin NC, the eighth pin GND and the ninth pin GND of the first crystal oscillator chip X2 are all connected to the common ground.
It should be noted that the second pin OSCO and the seventh pin CLKOUT of the clock chip U4 are both set to be in the floating state, and no circuit needs to be connected. And the sixth pin NC and the tenth pin NC of the first crystal oscillator chip X2 are both set to a floating state, and no circuit access is required.
A first terminal of the first pull-up resistor R26 in the second pull-up circuit 205 is connected to the power supply voltage terminal; a source of the first switching element Q5 is connected between a first end of the first pull-up resistor R26 and a power supply voltage terminal; the gate of the first switching element Q5 is connected to the second end of the first pull-up resistor R26 and to the third pin INT of the clock chip U4 in the clock module 203; the drain of the first switching element Q5 is connected to a first terminal of a first current limiting resistor R29; a second end of the first current limiting resistor R29 is connected to the first end WKP of the main control module 201.
The first end of the crystal oscillator module 204 is a first pin ST of the second crystal oscillator chip X1, and the first pin ST of the second crystal oscillator chip X1 is connected to the second end of the main control module 201, which is PA6 and the second end of the clock module 203, respectively; the second pin GND of the second crystal oscillator chip X1 is connected to the common ground terminal; the third pin OUT of the second crystal oscillator chip X1 is connected to the input terminal of the second filter circuit 214; the output end of the second filter circuit 214 is connected to the third end of the main control module 201, i.e. CLKIN; a fourth pin VCC of the second crystal oscillator chip X1 is connected to the power supply voltage terminal, an input terminal of a second filter capacitor C20 is further connected between the fourth pin of the second crystal oscillator chip X1 and the power supply voltage terminal, and an output terminal of the second filter capacitor C20 is connected to the common ground terminal.
A first end of a pull-down resistor R30 in the pull-down circuit 206 is connected to a third pin INT of a clock chip U4 in the clock module 203; a second end of the pull-down resistor R30 is connected to the base of the second switching element Q6; an emitter of the second switching element Q6 is connected with a second end of the main control module; a collector of the second switching element Q6 is connected to a first terminal of a second current limiting resistor R31, and a first pin ST of the second crystal oscillator chip X1 is connected between the collector of the second switching element Q6 and the first terminal of the second current limiting resistor R31; a second terminal of the second current limiting resistor R31 is connected to the supply voltage terminal.
It is understood that the supply voltage terminal is VCC and the common ground terminal is GND.
Further, the working principle of fig. 2 is as follows:
when the main control module 201 is in the working mode, the power consumption is high, wherein both the main control module 201 and the second crystal oscillator chip X1 need to work; therefore, in order to reduce power consumption, unrelated peripherals and peripheral circuits need to be turned off when the main control module 201 does not work; meanwhile, it is also ensured that the main control module 201 can start the relevant circuits to control the air conditioner to work before the normal work.
Therefore, the main control module 201 is in a sleep mode by default, and when the main control module 201 needs to be in the working mode, the main control module wakes up through the clock chip U4 or the button RS2 to switch the mode to the working mode.
If the clock chip U4 times to reach the predetermined time, the third pin INT of the clock chip U4 is changed from the original high impedance state to the output low level, so that the first switch element Q5 is turned on, and the first end WKP of the main control module 201 is changed to the high level, so that the main control module 201 is awakened, thereby implementing the mode switching.
When the main control module 201 wakes up, the third pin INT of the clock chip U4 outputs a low level, so that the Q6 is turned off, the first pin ST of the crystal oscillator X1 is pulled high by the pull-down resistor R31 of the pull-down circuit, the crystal oscillator is enabled to start oscillation, and then 8MHz pulses are output to the main control module 201, so as to provide timing pulses for the main control module 201 to execute a preset air conditioning instruction. After the preset air conditioner command is executed, the device immediately enters a low power consumption mode, that is, a sleep mode, the second end PA6 of the main control module 201 outputs a low level, and meanwhile, the third pin INT of the clock chip U4 is pulled high by a pull-up resistor of a pull-up circuit, at this time, the MOS transistor Q6 is turned on, the ST pin of the crystal oscillator is pulled to a low level at this time, and the crystal oscillator is turned off.
Further, by directly pressing the key RS2, the schottky diode D9 of the key module 202 is turned on, and the first end WKP of the main control module 201 becomes a high level, so that the main control module 201 is awakened, and mode switching is achieved. At this time, the main control module 201 in the working mode performs air conditioning control by receiving the real-time air conditioning instruction, and if the air conditioning instruction is not received within the preset time, the main control module 201 automatically enters the sleep mode, so that power loss caused by the fact that the user does not act when awakening through the key is prevented.
The embodiment of the utility model discloses an air conditioner management device with low power consumption, which comprises: the device comprises a main control module, a clock module, a crystal oscillator module and a key module; the first end of the main control module is connected with the first end of the clock module, the first end of the crystal oscillator module is respectively connected with the second end of the main control module and the second end of the clock module, and the first end of the key module is connected with the first end of the main control module; the main control module is used for controlling the air conditioner to work according to an air conditioner instruction, and after the air conditioner instruction is executed, the main control module enters a sleep mode according to a preset switching instruction; the clock module is used for switching the main control module in the sleep mode into a working mode according to preset appointed time so that the main control module controls the air conditioner to work according to an air conditioner instruction; the crystal oscillator module is used for providing timing pulses for the main control module in the working mode so that the main control module controls the air conditioner to work according to the air conditioner instruction; the key module is used for switching the main control module in the sleep mode into a working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction. Through the clock module and the key module, the main control module in the sleep mode is switched into the working mode in two awakening modes, and the main control module can be awakened without adding a detection module to reduce loss.
The embodiment of the utility model provides an air conditioning management equipment of low-power consumption still is provided, air conditioning management equipment of low-power consumption includes the air conditioning management device of low-power consumption as shown in figure 1.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An air conditioning management device with low power consumption, characterized in that the device comprises: the device comprises a main control module, a clock module, a crystal oscillator module and a key module; the first end of the main control module is connected with the first end of the clock module, the first end of the crystal oscillator module is respectively connected with the second end of the main control module and the first end of the clock module, and the first end of the key module is connected with the first end of the main control module;
the main control module is used for controlling the air conditioner to work according to an air conditioner instruction, and after the air conditioner instruction is executed, the main control module enters a sleep mode according to a preset switching instruction;
the clock module is used for switching the main control module in the sleep mode into a working mode according to preset appointed time so that the main control module controls the air conditioner to work according to an air conditioner instruction;
the crystal oscillator module is used for providing timing pulses for the main control module in the working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction;
the key module is used for switching the main control module in the sleep mode into a working mode so that the main control module controls the air conditioner to work according to an air conditioner instruction.
2. The device of claim 1, wherein the clock module comprises a clock chip, a first crystal oscillator chip, a first filter circuit, a first pull-up circuit and a first filter capacitor; the first end of the clock module is a third pin of the clock chip, and the third pin of the clock chip is connected with the first end of the main control module; the first pin of the clock chip is connected with the fourth pin of the first crystal oscillator chip; a first filter circuit is connected between the first pin of the clock chip and the fourth pin of the first crystal oscillator chip; a fourth pin of the clock chip is connected with a common ground terminal; the first filter circuit is also connected between a fourth pin of the clock chip and a common ground terminal; a fifth pin of the clock chip is connected with a first output end of the first pull-up circuit; a sixth pin end of the clock chip is connected with a second output end of the pull-up circuit; the input end of the first pull-up circuit is connected with a power supply voltage end; an eighth pin of the clock chip is connected with the power supply voltage end; the input end of the first filter capacitor is electrically connected between the power supply voltage end and an eighth pin of the clock chip; the output end of the first filter capacitor is connected with the common ground end; the first pin, the second pin and the third pin of the first crystal oscillator chip are all connected with the power supply voltage end; and the fifth pin, the seventh pin, the eighth pin and the ninth pin of the first crystal oscillator chip are all connected with the common ground terminal.
3. The apparatus of claim 1, wherein the crystal oscillator module comprises: the second crystal oscillator chip, the second filter capacitor and the second filter circuit; the first end of the crystal oscillator module is a first pin of the second crystal oscillator chip, and the first pin of the second crystal oscillator chip is respectively connected with the second end of the main control module and the second end of the clock module; the second pin of the second crystal oscillator chip is connected with a common ground terminal; a third pin of the second crystal oscillator chip is connected with the input end of the second filter circuit; the output end of the second filter circuit is connected with the third end of the main control module; and a fourth pin of the second crystal oscillator chip is connected with a power supply voltage end, an input end of a second filter capacitor is connected between the fourth pin of the second crystal oscillator chip and the power supply voltage end, and an output end of the second filter capacitor is connected with the common ground terminal.
4. The apparatus of claim 1, wherein the key module comprises: the key comprises a key, a Schottky diode and a key resistor; the first end of the key module is the first end of the key resistor, and the first end of the key resistor is connected with the first end of the main control module; the first end of the key is connected with a power supply voltage end, the second end of the key is connected with the anode of the Schottky diode, and the cathode of the Schottky diode is connected with the second end of the key resistor.
5. The apparatus of claim 1, further comprising a second pull-up circuit between the first terminal of the master module and the second terminal of the clock module, the second pull-up circuit comprising: the first switch element, the first pull-up resistor and the first current-limiting resistor; the first end of the first pull-up resistor is connected with a power supply voltage end; a source of the first switching element is connected between a first end of the first pull-up resistor and a power supply voltage end; the grid electrode of the first switch element is connected with the second end of the first pull-up resistor and is connected to a third pin of a clock chip in the clock module; the drain electrode of the first switching element is connected with the first end of the first current limiting resistor; and the second end of the first current limiting resistor is connected with the first end of the main control module.
6. The apparatus of claim 1, further comprising a pull-down circuit between the third terminal of the crystal oscillator module and the second terminal of the main control module, wherein the pull-down circuit comprises a pull-down resistor, a second switching element, and a second current-limiting resistor; the first end of the pull-down resistor is connected with a third pin of a clock chip in the clock module; the second end of the pull-down resistor is connected with the base electrode of the second switching element; the emitter of the second switch element is connected with the second end of the main control module; a collector of the second switching element is connected with a first end of the second current-limiting resistor, and a first pin of the second crystal oscillator chip is connected between the collector of the second switching element and the first end of the second current-limiting resistor; and the second end of the second current-limiting resistor is connected with a power supply voltage end.
7. The apparatus of claim 1, wherein the timing pulse of the crystal oscillator module is 8 MHz.
8. The apparatus of claim 2, wherein the clock chip model is PCF8563 TS/5.
9. The apparatus of claim 3, wherein the second crystal chip model is SG-210STF (8 MHz).
10. A low-power consumption air-conditioning management device, characterized in that the low-power consumption air-conditioning management device comprises the low-power consumption air-conditioning management apparatus according to any one of claims 1 to 9.
Priority Applications (1)
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| CN202121331903.XU CN215835152U (en) | 2021-06-15 | 2021-06-15 | Low-power-consumption air conditioner management device and equipment |
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| CN202121331903.XU CN215835152U (en) | 2021-06-15 | 2021-06-15 | Low-power-consumption air conditioner management device and equipment |
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