Sequential control device for auxiliary air conditioner
By combining the main control chip and sensor unit, precise timing control and remote management of the air conditioning auxiliary unit are achieved, solving the problem of low control accuracy of traditional air conditioning auxiliary units and ensuring stable and safe operation of the equipment.
Patent Information
- Application Number
- CN202520461923.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
Traditional air conditioning auxiliary control methods suffer from low control precision and poor flexibility, and cannot make intelligent adjustments according to different operating conditions, resulting in excessive current, affecting equipment lifespan, and even causing malfunctions.
It employs a main control chip for precise timing control, combined with sensor units to monitor voltage, current and temperature in real time, and uses relays to trigger according to preset logic in a time-division manner, along with a heat dissipation mechanism to prevent overheating, thereby enabling remote monitoring and management.
It ensures stable operation of the air conditioning auxiliary unit, protects equipment safety, extends service life, improves control accuracy and anti-interference ability, and prevents malfunctions caused by excessive current.
Smart Images
Figure CN223882499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air conditioning control technical field, concretely is a kind of air conditioner auxiliary machine time sequence control device. BACKGROUND
[0002] Household air conditioner has penetrated into the broad family, become indispensable household appliances, in air conditioning system, the starting and stopping sequence of compressor, condenser fan, evaporator fan and other auxiliary machines is crucial for the stable operation and service life of air conditioner.
[0003] Traditional control mode often uses simple relay logic control or single time delay control, there is low control precision, poor flexibility, cannot be adjusted intelligently according to different working conditions and other problems, when grid voltage fluctuation is larger or environmental temperature changes sharply, it can cause auxiliary machine starting moment current to be too large, affect equipment life, and even cause failure.
[0004] Based on this, an air conditioner auxiliary machine time sequence control device is provided, which can eliminate the drawbacks of existing devices. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing an air conditioner auxiliary machine time sequence control device to solve the problems in the background art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] An air conditioner auxiliary machine time sequence control device includes a lower shell, the lower shell is fixedly connected with an upper shell, the lower shell is fixedly connected with a circuit board, the upper end of the circuit board is provided with a main control chip, a plurality of relays, a sensor unit and a communication component, the lower shell is provided with a ventilation hole, and a heat dissipation mechanism for preventing the temperature inside the lower shell from being too high is arranged at the ventilation hole.
[0008] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:
[0009] In an optional scheme, the heat dissipation mechanism includes a fixed support, the fixed support is fixedly connected at the ventilation hole, a heat dissipation fan is fixedly connected to the fixed support, and a heat dissipation fin is fixedly connected to the fixed support away from the ventilation hole.
[0010] In an optional scheme, the sensor unit includes a voltage sensor, a current sensor and a temperature sensor, the voltage sensor, the current sensor and the temperature sensor are electrically connected with the main control chip, the temperature sensor is installed at the condenser and evaporator of the air conditioner auxiliary machine, and the voltage sensor and the current sensor are fixed on the circuit board.
[0011] In an alternative: the communication component includes a wireless receiving module and a wireless transmitting module, the wireless receiving module and the wireless transmitting module are located on a circuit board, the wireless receiving module and the wireless transmitting module are electrically connected with the main control chip, and the wireless receiving module 601 supports the Modbus RTU protocol.
[0012] In an alternative: the plurality of relays are electrically connected with the main control chip through optical coupling isolation, the main control chip is configured to trigger each relay in a preset time sequence logic, so that the plurality of air conditioner auxiliary machines are sequentially started or stopped, and the interval time between adjacent relays is Δt (0.5s≤Δt≤5s).
[0013] In an alternative: the lower shell is fixedly connected with a filter screen at the air vent.
[0014] In an alternative: the control signal of the main control chip is a high-low level signal.
[0015] In an alternative: the material of the heat dissipation fin is aluminum.
[0016] Compared with the prior art, the utility model has the beneficial effects as follows:
[0017] The utility model discloses a main control chip is accurate to the time sequence control of air conditioner auxiliary machine, and the compressor, condenser fan, evaporator fan and other auxiliary machines are started and stopped according to the order, guarantees the stable operation of air conditioner;Through sensor unit and relay, voltage, current and temperature are monitored and respond quickly in real time, and the safety of air conditioner auxiliary machine and whole system is effectively protected;Through the heat dissipation mechanism, the temperature is prevented when the time sequence control device works too high, protects the device safety, prolongs the service life of device. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the structural schematic diagram of the utility model.
[0019] Figure 2 It is the structural schematic diagram of the circuit board of the utility model.
[0020] Figure 3 It is the structural schematic diagram of the filter screen of the utility model.
[0021] Reference signs annotation: 100, lower shell, 101, air vent, 200, upper shell, 300, circuit board, 301, main control chip, 302, relay, 401, fixed support, 402, heat dissipation fan, 403, heat dissipation fin, 501, voltage sensor, 502, current sensor, 503, temperature sensor, 601, wireless receiving module, 602, wireless transmitting module, 700, filter screen. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the utility model in combination with the drawings and examples.
[0023] In one embodiment, as shown in Figures 1-3 An air conditioner auxiliary machine time sequence control device, comprising a lower shell 100, the upper shell 200 is fixedly connected on the lower shell 100, the circuit board 300 is fixedly connected in the lower shell 100, the upper end of the circuit board 300 is equipped with main control chip 301, a plurality of relays 302, sensor unit and communication components, the lower shell 100 is equipped with air vent 101, air vent 101 is equipped with the heat dissipation mechanism that prevents the temperature of the inside of lower shell 100 from being too high, the lower shell 100 is fixed in air conditioner auxiliary machine, the main control chip 301 is configured as the time trigger each relay 302 according to preset time sequence logic, makes a plurality of air conditioner auxiliary machines start or stop in turn, sensor unit detects the working condition of air conditioner auxiliary machine, and data is transmitted to main control chip 301, when air conditioner auxiliary machine is in the working condition of overpressure, overcurrent or temperature is too high, main control chip 301 can control relay 302, and each component of air conditioner auxiliary machine is closed, communication components can upload the running state of device, sensor data and other information, simultaneously receive remote control instruction, realize remote monitoring and management, the heat dissipation mechanism prevents temperature from being too high when time sequence control device works, protects the safety of device, prolongs the service life of device.
[0024] In the embodiment, as shown in Figure 2 And Figure 3 The heat dissipation mechanism comprises fixed support 401, the fixed support 401 is fixedly connected at air vent 101, the fixed support 401 is fixedly connected heat dissipation fan 402 on, the fixed support 401 is fixedly connected heat dissipation fin 403 away from air vent 101, heat dissipation fin 403 absorbs the heat generated by device, heat dissipation fan 402 expels heat from lower shell 100 from air vent 101, reduces the temperature in lower shell 100, is favorable for prolonging the service life of time sequence control device.
[0025] In one embodiment, as shown in Figure 1As shown, the sensor unit includes a voltage sensor 501, a current sensor 502 and a temperature sensor 503, all of which are electrically connected with the main control chip 301, the temperature sensor 503 is installed at the condenser and evaporator of the air conditioner auxiliary machine, the voltage sensor 501 and the current sensor 502 are fixed on the circuit board 300, the voltage sensor 501 and the current sensor 502 monitor the working voltage and working current of the air conditioner auxiliary machine in real time, and provide feedback signals for the main control chip 301, so as to adjust the control strategy in time when the voltage is abnormal or the current is overloaded, the temperature sensor 503 is installed at the condenser and evaporator of the air conditioner auxiliary machine, detects the change of the temperature, and ensures that the air conditioner auxiliary machine operates in a suitable temperature environment.
[0026] In one embodiment, as shown in the figure, Figure 2 As shown, the communication component includes a wireless receiving module 601 and a wireless generating module 602, which are located on the circuit board 300, and are electrically connected with the main control chip 301, the wireless receiving module 601 supports the Modbus RTU protocol, receives remote control instructions, and the wireless transmitting module 602 can upload the running state of the device, sensor data and other information.
[0027] In one embodiment, as shown in the figure, Figure 2 As shown, a plurality of relays 302 are electrically connected with the main control chip 301 through optical coupling isolation, the main control chip 301 is configured to trigger each relay 302 in time according to the preset time sequence logic, so that a plurality of air conditioner auxiliary machines are started or stopped in sequence, the interval time between adjacent relays is Δt (0.5s≤Δt≤5s), which prevents the current from being too large at the moment of starting the auxiliary machine, affects the service life of the equipment, and the optical coupling isolation is used between each relay 302 and the main control chip 301, which effectively isolates the control circuit from the strong current circuit, and improves the safety and anti-interference ability of the device.
[0028] In one embodiment, as shown in the figure, Figure 3 As shown, a filter screen 700 is fixedly connected at the ventilation hole 101 of the lower shell 100, which prevents dust, impurities and the like from entering the inside of the lower shell 100, thereby increasing the probability of failure.
[0029] In one embodiment, as shown in the figure, Figure 2 As shown, the control signal of the main control chip 301 is a high-low level signal, which has the characteristics of anti-interference, compatibility, energy saving and easy expansion, and can better control the start and stop of the relay 302.
[0030] In one embodiment, as shown in the figure, Figure 2As shown, the material of the heat dissipation fin 403 is aluminum, the aluminum fin has good heat dissipation effect, and has the effects of light and thin, low cost, etc.
[0031] The above embodiment discloses a timing control device for air conditioner auxiliary machine, wherein the lower shell 100 is fixed in the air conditioner auxiliary machine, the main control chip 301 controls the relay 302 to turn on each component of the air conditioner auxiliary machine in sequence, the voltage sensor 501 and the current sensor 502 monitor the working voltage and working current of the air conditioner auxiliary machine in real time, the temperature sensor 503 is installed at the condenser and evaporator of the air conditioner auxiliary machine to detect the temperature change and transmit the data to the main control chip 301, when the air conditioner auxiliary machine is in the overvoltage, overcurrent or high temperature working state, the main control chip 301 can control the relay 302 to turn off each component of the air conditioner auxiliary machine, the wireless receiving module 601 receives the remote control instruction, the wireless transmitting module 602 can upload the running state of the device, sensor data and other information, the heat dissipation fin 403 absorbs the heat generated by the device, the heat dissipation fan 402 discharges the heat from the air vent 101 from the lower shell 100, reduces the temperature in the lower shell 100, and is beneficial to prolong the service life of the timing control device.
[0032] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An air-conditioning auxiliary machine timing control device, comprising a lower shell (100), the upper shell (200) is fixedly connected on the lower shell (100), characterized in that, The lower shell (100) is fixedly connected with a circuit board (300), the upper end of the circuit board (300) is provided with a main control chip (301), a plurality of relays (302), a sensor unit and a communication component, the lower shell (100) is provided with a ventilation hole (101), and the ventilation hole (101) is provided with a heat dissipation mechanism for preventing the temperature inside the lower shell (100) from being too high.
2. The timing control device for an air conditioner auxiliary machine according to claim 1, wherein The heat dissipation mechanism comprises a fixed support (401), the fixed support (401) is fixedly connected at the ventilation hole (101), the fixed support (401) is fixedly connected with a heat dissipation fan (402), and the fixed support (401) is fixedly connected with a heat dissipation fin (403) away from the ventilation hole (101).
3. The timing control device for an air conditioner auxiliary machine according to claim 1, characterized in that, The sensor unit comprises a voltage sensor (501), a current sensor (502) and a temperature sensor (503), the voltage sensor (501), the current sensor (502) and the temperature sensor (503) are electrically connected with the main control chip (301), the temperature sensor (503) is installed at a condenser and an evaporator of an air conditioner auxiliary machine, and the voltage sensor (501) and the current sensor (502) are fixed on the circuit board (300).
4. The timing control device for an air-conditioning auxiliary machine according to claim 2, wherein The communication component comprises a wireless receiving module (601) and a wireless transmitting module (602), the wireless receiving module (601) and the wireless transmitting module (602) are located on the circuit board (300), the wireless receiving module (601) and the wireless transmitting module (602) are electrically connected with the main control chip (301), and the wireless receiving module (601) supports a Modbus RTU protocol.
5. The timing control device for an air-conditioning auxiliary machine according to claim 1, wherein The plurality of relays (302) are electrically connected with the main control chip (301) through optical coupling isolation, the main control chip (301) is configured to trigger each relay (302) in time according to a preset time sequence logic, so that a plurality of air conditioner auxiliary machines are started or stopped in sequence, and the interval time between adjacent relays is Δt (0.5s≤Δt≤5s).
6. The timing control device for an air-conditioning auxiliary machine according to claim 1, wherein The lower shell (100) is fixedly connected with a filter screen (700) at the ventilation hole (101).
7. The timing control device for an air-conditioning auxiliary machine according to claim 1, wherein The control signal of the main control chip (301) is a high-low level signal.
8. The timing control device for an air-conditioning auxiliary machine according to claim 2, characterized in that, The material of the heat dissipation fin (403) is aluminum.