Intelligent heating system adapter

Abstract

The utility model discloses an intelligent heating system adapter, which belongs to the field of adapters, and comprises a main control unit, and a temperature sensing unit, a key input unit, a switch unit, a display driving unit, an LED light unit, an operational amplification circuit and a driving circuit which are connected with the main control unit, the driving circuit is connected with an effective load, the main control unit is further connected with a power supply unit, the operational amplifier circuit comprises an operational amplifier U5A and an operational amplifier U5B, the non-inverting input end of the operational amplifier U5B is connected with a resistor R14, a resistor R16 and a capacitor C20, the inverting input end of the operational amplifier U5B is connected with a resistor R15, and the capacitor C20 is connected with a capacitor C20. A capacitor C21 is connected between the resistor R15 and the resistor R16, and the output end of the operational amplifier U5B is connected with a resistor R13 and a capacitor C19. According to the utility model, the adapter can be automatically switched off when needed, and compared with a traditional adapter, the adapter is more intelligent, and the overall safety is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of adapter, specifically is intelligent heating system adapter. BACKGROUND

[0002] The adapter is an intermediate device or circuit, and its main function is to connect two incompatible devices or systems so that they can communicate or work together. More specifically, the adapter can make incompatible devices or systems work together by converting or adapting different protocols, voltages, interfaces or other differences.

[0003] The application field of the adapter is very wide, among which the heating system adapter is a relatively common adapter. The heating system adapter can make different heating devices or systems work together by converting or adapting different voltages, currents, interfaces or control signals. However, the existing adapter is not intelligent enough and cannot automatically disconnect when needed, so the overall safety is not high.

[0004] Therefore, the intelligent heating system adapter is provided by the person skilled in the art to solve the problems raised in the above background. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing intelligent heating system adapter, can automatically disconnect when needing, compared with traditional adapter is more intelligent, overall safety is higher, to solve the problems raised in the above background.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The intelligent heating system adapter comprises a main control unit, a temperature sensing unit, a key input unit, a switch unit, a display driving unit, an LED light unit, an operational amplifier circuit and a driving circuit connected with the main control unit, the display driving unit is connected with a display unit, the driving circuit is connected with an effective load, and the main control unit is further connected with a power supply unit.

[0008] As a further scheme of the utility model: the operational amplifier circuit comprises an operational amplifier U5A and an operational amplifier U5B, wherein the same direction input end of the operational amplifier U5B is connected with a resistor R14, a resistor R16 and a capacitor C20, the opposite direction input end of the operational amplifier U5B is connected with a resistor R15, the resistor R15 and the resistor R16 are connected with a capacitor C21, and the output end of the operational amplifier U5B is connected with a resistor R13 and a capacitor C19.

[0009] As a further scheme of the utility model: the operational amplifier U5A and the operational amplifier U5B are selected from LM358M.

[0010] As a further scheme of the utility model: the resistance R14 is 60kΩ, the resistance R15 is 10kΩ, the resistance R13 and the resistance R16 are both 1kΩ, and the capacitance C19, the capacitance C20 and the capacitance C21 are all 0.1 μF.

[0011] As a further scheme of the utility model: the driving circuit includes MOS tube Q1, MOS tube Q2, triode Q3 and triode Q4 connected in sequence, wherein the triode Q3 and triode Q4 are connected with resistance R2 and resistance R3, and one input end of triode Q4 is connected with resistance R4, and the MOS tube Q1 and MOS tube Q2 are connected with diode D6 and resistance R17.

[0012] As a further scheme of the utility model: the MOS tube Q1 and MOS tube Q2 are both selected IRFR3607TRPBF, the triode Q3 and triode Q4 are both selected S9013-G, the resistance R4 is 1kΩ, the resistance R2 and resistance R3 are both 10kΩ, the diode D6 is selected 1N4007W, and the resistance R17 is 0.02 Ω.

[0013] As a further scheme of the utility model: the power supply unit includes voltage regulator U4, wherein the pin 1 of voltage regulator U4 is connected with capacitor C3 and capacitor C9, and the pin 2 of voltage regulator U4 is connected with diode D1, inductor L1 and capacitor C16, and the pin 4 of voltage regulator U4 is connected with capacitor C13, capacitor C14, capacitor C17 and capacitor C18.

[0014] As a further scheme of the utility model: the voltage regulator U4 is selected LM2596S-5V.

[0015] As a further scheme of the utility model: the chip of main control unit is selected CX32L003F8.

[0016] As a further scheme of the utility model: further include the fan unit connected with main control unit, wherein the fan unit includes connector HDR-F-2.54.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、The intelligent adapter accesses the load, after starting, the system will automatically enter the intelligent control mode, after the time, the system will automatically stop, if the user operation error, the system will automatically disconnect; if the user forgets to set the working time, the system will also automatically disconnect after reaching the working purpose; if the load over-temperature, the load appears to fire, etc. The system will automatically disconnect, which can effectively reduce or avoid fire and other problems, compared with the traditional adapter, it is more intelligent, and the overall safety is higher.

[0019] 2、The power supply unit of the application adopts special intelligent constant voltage direct current, filtering and other methods, which greatly reduces or avoids the harm of electromagnetic radiation to users. For example, used in the field of electric blanket, baby incubator and other fields, the intelligent power adapter under the rated condition of the load, constant voltage direct current (DC) output, no electromagnetic radiation or very low electromagnetic radiation, small interference of ripple. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure block diagram of the intelligent heating system adapter;

[0021] Figure 2 The circuit diagram of the main control unit, display driving unit, display unit and switch unit in the intelligent heating system adapter;

[0022] Figure 3 The circuit diagram of the power supply unit in the intelligent heating system adapter;

[0023] Figure 4 The circuit diagram of the drive circuit in the intelligent heating system adapter;

[0024] Figure 5 The circuit diagram of the operational amplifier circuit in the intelligent heating system adapter;

[0025] Figure 6 The circuit diagram of the LED light unit in the intelligent heating system adapter;

[0026] Figure 7 The circuit diagram of the key input unit, temperature sensing unit and fan unit in the intelligent heating system adapter. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] As mentioned in the background of the present application, it is found that the existing adapter is not smart enough to automatically disconnect when needed, and the overall safety is not high, and there are certain defects.

[0029] In order to solve the above defects, the present application discloses a smart heating system adapter, which can automatically disconnect when needed, is more intelligent than the traditional adapter, and has higher overall safety.

[0030] The scheme of the present application will be described in detail below on how to solve the above technical problems in combination with the drawings.

[0031] Please refer to Figure 1 In the embodiment of the present application, the smart heating system adapter comprises a main control unit, a temperature sensing unit, a key input unit, a switch unit, a display driving unit, an LED light unit, an operational amplifier circuit, a driving circuit connected with the main control unit, a display unit connected with the display driving unit, an effective load connected with the driving circuit, and a power unit connected with the main control unit. After the smart adapter is connected to the load and turned on, the system will automatically enter the intelligent control mode, and will automatically stop after a certain time. If the user makes a mistake, the system will automatically disconnect. If the user forgets to set the working time, the system will also automatically disconnect after reaching the working purpose. If the load over-temperature or the load appears to be on fire, the system will automatically disconnect, which can effectively reduce or avoid fire problems. Compared with the traditional adapter, the smart adapter is more intelligent and has higher overall safety.

[0032] In the embodiment, as shown in Figure 5 The operational amplifier circuit comprises an operational amplifier U5A and an operational amplifier U5B. The same input end of the operational amplifier U5B is connected with a resistor R14, a resistor R16 and a capacitor C20, the opposite input end of the operational amplifier U5B is connected with a resistor R15, the capacitor C21 is connected between the resistor R15 and the resistor R16, and the output end of the operational amplifier U5B is connected with a resistor R13 and a capacitor C19. The operational amplifier circuit can process the analog signal from the temperature sensing unit, such as amplification or filtering, and can cooperate with the main control unit for accurate measurement.

[0033] In the embodiment, as shown in Figure 5 The operational amplifier U5A and the operational amplifier U5B are both selected from LM358M. The operational amplifier of this model has stable running performance and is easy to use.

[0034] In the embodiment, as shown in Figure 5 The resistance value of the resistor R14 is 60 kilo-ohms, the resistance value of the resistor R15 is 10 kilo-ohms, the resistance values of the resistor R13 and the resistor R16 are both 1 kilo-ohm, and the capacitance values of the capacitor C19, the capacitor C20 and the capacitor C21 are all 0.1 micro-farad.

[0035] In this embodiment, as Figure 4 As shown, the driving circuit includes MOSFETs Q1, Q2, Q3, and Q4 connected in sequence. Resistors R2 and R3 are connected between Q3 and Q4, and resistor R4 is connected to one input terminal of Q4. Diode D6 and resistor R17 are connected between MOSFETs Q1 and Q2. The driving circuit can control the heating state of the effective load.

[0036] In this embodiment, as Figure 4 As shown, MOSFETs Q1 and Q2 are both IRFR3607TRPBF, transistors Q3 and Q4 are both S9013-G, resistor R4 has a resistance of 1 kΩ, resistors R2 and R3 both have a resistance of 10 kΩ, diode D6 is a 1N4007W, and resistor R17 has a resistance of 0.02 Ω.

[0037] In this embodiment, as Figure 3 As shown, the power supply unit includes a voltage regulator U4. Pin 1 of the voltage regulator U4 is connected to capacitors C3 and C9, pin 2 is connected to diode D1, inductor L1, and capacitor C16, and pin 4 is connected to capacitors C13, C14, C17, and C18. The power supply unit of this application can step down and stabilize the input voltage to provide power. The power supply unit of this application employs special intelligent constant voltage DC and filtering methods to significantly reduce or avoid the harm of electromagnetic radiation to users. For example, in the fields of electric blankets and infant incubators, this intelligent power adapter, under rated load conditions, provides constant voltage DC output with no electromagnetic radiation or extremely low electromagnetic radiation and minimal ripple interference. (Alternating current (AC) drive systems have strong electromagnetic radiation: generally reaching 100–200 mG), which can easily affect the human body's endocrine system, causing problems such as dry skin.

[0038] In this embodiment, as Figure 3 As shown, the voltage regulator U4 is an LM2596S-5V. This model of voltage regulator has stable operation and is easy to use.

[0039] In this embodiment, as Figure 2 As shown, the main control unit uses the CX32L003F8 chip. This model of main control chip has stable performance and is easy to use.

[0040] In this embodiment, as Figure 7 As shown, it also includes a fan unit connected to the main control unit, wherein the fan unit includes a connector HDR-F-2.54. The fan unit can interface with a cooling fan to dissipate heat during adapter operation.

[0041] The working principle of this utility model is as follows: During use, the adapter is activated via the switching unit, entering initialization. Subsequently, the adapter's main control unit receives input signals through the temperature sensing unit, compares the input signals with the current set value, calculates parameters such as current, temperature, and time, inputs disconnect or connect commands, and then controls the drive circuit and equivalent module to regulate the effective load based on the output commands (the temperature sensing unit and operational amplifier circuit cooperate to form the equivalent module). During this process, the button input unit is used to set the set value, such as... Figure 2 As shown, the display driver unit (U2) can receive parameter information from the main control unit and transmit the information to the display unit (U3) via analog voltage for display. The LED light unit is used to display the working status of the display adapter (e.g., ...). Figure 6 (As shown). The operational amplifier circuit processes the analog signal from the temperature sensing unit, such as amplifying or filtering it. The operational amplifier circuit works in conjunction with the main control unit for accurate measurement. Furthermore, the equivalent module can quickly and temporarily cut off power when the adapter reaches a certain temperature or in case of operational error.

[0042] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An intelligent heating system adapter, characterized in that, The application relates to a temperature display device, which comprises a main control unit and a temperature sensing unit, a key input unit, a switch unit, a display driving unit, an LED light unit, an operational amplifier circuit and a driving circuit connected with the main control unit.

2. The smart heating system adapter of claim 1, wherein, The operational amplifier circuit comprises operational amplifier U5A and operational amplifier U5B, wherein the same direction input end of the operational amplifier U5B is connected with resistor R14, resistor R16 and capacitor C20, the reverse input end of the operational amplifier U5B is connected with resistor R15, capacitor C21 is connected between the resistor R15 and the resistor R16, and the output end of the operational amplifier U5B is connected with resistor R13 and capacitor C19.

3. The smart heating system adapter of claim 2, wherein, The operational amplifier U5A and the operational amplifier U5B are both selected from LM358M.

4. The smart heating system adapter of claim 2 or 3, wherein, The resistance value of the resistor R14 is 60 kohm, the resistance value of the resistor R15 is 10 kohm, the resistance value of the resistor R13 and the resistor R16 is both 1 kohm, and the capacitance value of the capacitor C19, the capacitor C20 and the capacitor C21 is all 0.1 microfarad.

5. The smart heating system adapter of claim 1, wherein, The driving circuit comprises MOS tube Q1, MOS tube Q2, triode Q3 and triode Q4 connected in sequence, wherein resistor R2 and resistor R3 are connected between the triode Q3 and the triode Q4, one input end of the triode Q4 is connected with resistor R4, diode D6 and resistor R17 are connected between the MOS tube Q1 and the MOS tube Q2.

6. The smart heating system adapter of claim 5, wherein, The MOS tube Q1 and the MOS tube Q2 are both selected from IRFR3607TRPBF, the triode Q3 and the triode Q4 are both selected from S9013-G, the resistance value of the resistor R4 is 1 kohm, the resistance value of the resistor R2 and the resistor R3 is both 10 kohm, the diode D6 is selected from 1N4007W, and the resistance value of the resistor R17 is 0.02 ohm.

7. The smart heating system adapter of claim 1, wherein, The power supply unit comprises voltage regulator U4, wherein pin 1 of the voltage regulator U4 is connected with capacitor C3 and capacitor C9, pin 2 of the voltage regulator U4 is connected with diode D1, inductor L1 and capacitor C16, pin 4 of the voltage regulator U4 is connected with capacitor C13, capacitor C14, capacitor C17 and capacitor C18.

8. The smart heating system adapter of claim 7, wherein, The voltage regulator U4 is selected from LM2596S-5V.

9. The smart heating system adapter of claim 1, wherein, The chip of the main control unit is selected from CX32L003F8.

10. The smart heating system adapter of claim 1, wherein, The application further comprises a fan unit connected with the main control unit, wherein the fan unit comprises connector HDR-F-2.54.

Images