CN106288226B

CN106288226B - Energy-saving controller of temperature adjusting equipment

Info

Publication number: CN106288226B
Application number: CN201610782870.8A
Authority: CN
Inventors: 陈学文
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-08-31
Filing date: 2016-08-31
Publication date: 2022-04-22
Anticipated expiration: 2036-08-31
Also published as: CN106288226A

Abstract

An input end of the signal acquisition unit respectively acquires a working voltage signal and a working current signal of controlled equipment, a working voltage signal output end and a working current signal output end of the signal acquisition unit are respectively connected with the main control unit, the main control unit outputs a control signal to the relay control execution unit, and the relay control execution unit outputs a control signal for controlling the working condition of the controlled equipment; the signal acquisition unit inputs the acquired voltage and current signals to the main control unit, and the main control unit controls the relay to control the execution unit to execute the action of the relay. The energy-saving controller of the temperature adjusting equipment has the characteristics of convenience in installation, wide application range and good energy-saving effect.

Description

Energy-saving controller of temperature adjusting equipment

Technical Field

The invention relates to the technical field of energy-saving control, in particular to an energy-saving controller of a temperature adjusting device.

Background

The wide application of the temperature adjusting equipment brings great convenience to the life of people and industrial manufacture. In the prior art, a central air conditioning system is taken as an example of temperature adjusting equipment, and generally, in use, the temperature is adjusted and controlled according to set temperature, and due to different external temperatures under different conditions such as seasons, weather conditions, time intervals and the like, the environment temperature conditions of the air conditioner are different. So that the central air conditioner operates in a low load state most of the time. All fans and water pumps run at full speed at power frequency all the year round, and the flow and the air volume are adjusted by adopting the modes of throttling or backflow baffles and the like, so that a large amount of throttling or backflow loss is generated, and great waste of energy is caused.

Therefore, it is necessary to provide an energy-saving controller for a temperature adjustment device with good energy-saving effect to overcome the deficiencies in the prior art.

Disclosure of Invention

The invention aims to avoid the defects of the prior art and provides the energy-saving controller of the temperature adjusting equipment, which has the characteristics of convenience in installation, wide application range and good energy-saving effect.

The above object of the present invention is achieved by the following technical means.

The energy-saving controller of the temperature regulating equipment is provided with a main control unit, a signal acquisition unit, a relay control execution unit, a temperature probe, a temperature acquisition unit and a switch power supply, wherein the input end of the signal acquisition unit is used for acquiring a working voltage signal and a working current signal of controlled equipment respectively;

the signal acquisition unit inputs the acquired voltage and current signals to the main control unit, and the main control unit controls the relay to control the execution unit to execute the action of the relay.

Preferably, the energy-saving controller of the temperature adjusting device is further provided with a communication unit, a USB-serial port conversion unit, a key input unit, an LED unit, a liquid crystal display unit and a storage unit, and the communication unit, the USB-serial port conversion unit, the key input unit, the LED unit, the liquid crystal display unit and the storage unit are respectively connected with the main control unit.

Preferably, a refined management control unit is arranged in the main control unit, and the refined management control unit is provided with M schedules for controlling the operation of the temperature regulation equipment according to different months of a year and different time periods of a day;

and the main control unit controls the working state of the relay according to the schedule according to the time point of the temperature adjusting equipment.

Preferably, the energy-saving controller of the temperature adjusting device comprises the following steps,

A. the main control unit judges whether the voltage or current signal transmitted by the signal acquisition unit meets the action requirement of the relay, if so, the step B is carried out, otherwise, the current state is maintained;

B. the main control unit judges whether the regulated temperature of the space of the area regulated and controlled by the controlled equipment falls into the range of the temperature lower limit area, if so, the step D is carried out, otherwise, the step C is carried out; or

The main control unit judges whether the regulated temperature of the space of the area regulated and controlled by the controlled equipment falls into the range of the upper temperature limit area, if so, the step D is carried out, otherwise, the step C is carried out;

C. the main control unit outputs a control signal to the relay control execution unit, so that the relay is started to act after the relay keeps the current state for a delay time;

in the action process of the relay, the relay circularly outputs a control signal according to a mode of enabling the compressor to work for a period of time and then stopping for a period of time, and when the relay acts, the main control unit receives a voltage or current signal transmitted by the signal acquisition unit and returns to the step A;

D. the main control unit outputs a control signal to the relay control execution unit to enable the relay to output a signal for stopping the compressor; in the process, the main control unit receives the voltage or current signal transmitted by the signal acquisition unit and returns to the step A.

Preferably, in the energy-saving controller of the temperature adjusting device, the main control unit outputs the control signal to the relay control execution unit according to the condition that the temperature control operation in the controlled device region is higher than the set temperature by 1 ℃ or lower than the upper limit of temperature management by 0.5 ℃.

Preferably, the storage unit collects and records the operating conditions of the controlled device according to a frequency of 0.1 second/time to 2 minutes/time.

Preferably, the energy-saving controller of the temperature regulation device further comprises an upper computer, and the upper computer reads the operation state parameters of the temperature regulation device on line, summarizes the power consumption and the power saving of the temperature regulation device to be controlled, and automatically generates an energy-saving daily report, a month report and an annual report.

Preferably, the energy-saving control of the temperature adjusting equipment is assembled on the fixed-frequency temperature adjusting equipment for use, and the operation and stop, the continuous operation time length and the stop time length of the compressor are controlled according to the schedule of the detailed management control unit; the main control unit is also provided with a compressor protection function for preventing the compressor from being damaged and impacting an electric network due to frequent starting or stopping of the compressor.

Preferably, the energy-saving controller of the temperature regulation device is assembled in a variable-frequency temperature regulation device for use, and the energy limiting port of the variable-frequency temperature regulation device is connected with a relay of the energy-saving controller, so that the energy-saving controller continuously operates for a certain time period above a set operating current value, and then the energy-saving controller reduces the operating current to about 0-60% of the rated operating current and operates for a certain time period; the continuous running time and the stopping time are controlled according to the schedule of the detailed management control unit; the main control unit is also provided with a compressor protection function for preventing the compressor from being damaged and impacting an electric network due to frequent starting or stopping of the compressor.

Preferably, the energy-saving controller of the temperature control device controls the actual temperature to be equal to or higher than the temperature management intermediate value and equal to or lower than the temperature management upper limit value.

Preferably, the switching power supply is provided with a thermistor RV1, a varistor RV2, a capacitor C1, a filter inductor EMI, a rectifier bridge U1, a capacitor C2, a capacitor C3, a chip U2, a diode DZ1, a diode D1, a transformer T1, a diode D1, a capacitor C1, a chip U1, a resistor R1, a diode LED1, a resistor R1, a triode U1, a capacitor CX, an optocoupler 1, a capacitor C1 and a chip U1, the rectifier bridge U1 is an EPC1, the type of which is a tnu 36278, the type of the transformer is a1, the type of the chip 1, the type of the transformer is a1, the type of the chip 1, the type of the chip 1, the type of the chip 1, the chip 1 is a chip 1, the type of the chip 1113 is a chip 1, and the type of the chip 1, the type of the chip 1, the type of the chip is a chip 1, the chip is a chip type of the chip is a chip 1, the chip is a chip type of the chip 1, the chip is a chip 1, the chip 1, and the type of the chip type of the chip is a chip type of the chip 1, and the chip type of the chip 1, and the chip type of the chip 1, the chip type of the chip 1, and the chip 1, the;

the main control unit is provided with a chip U7, a resistor R16, a capacitor C35, a capacitor C36, a resistor R17, a capacitor C38, a capacitor C39, a capacitor C40, a capacitor C41, a capacitor C42, a crystal oscillator X2, a crystal oscillator X3, a capacitor C43, a resistor R15 and a capacitor C37, wherein the model of the chip U7 is STM32F103RCT 6/64;

the signal acquisition unit is provided with a chip U6 with the model number of RN8209D, a resistor RA1, a resistor RA2, a resistor RA3, a resistor RA4, a resistor RA7, a resistor RA8, a resistor RA9, a resistor RA10, an inductor LA1, a capacitor CA1, a capacitor CA2, mutual inductance CT1, a resistor RB4, a resistor RB0, a resistor RB1, a resistor RB2, a switch S31, a switch S32, a switch S33, a switch S34, a resistor RB7, a resistor RB8, a resistor RB 63 9, a resistor RB10, a capacitor CB1, a capacitor CB2, a capacitor C21, a capacitor C22, a capacitor C23, a capacitor C24, a resistor R5, a resistor R6, a capacitor C25, a capacitor C26, a crystal oscillator X1, a capacitor C27 and a capacitor C28;

the relay control execution unit is provided with a resistor R26, a triode Q4, a diode D5 and a contact switch JK 1;

one end of a thermistor RV1 and one end of a piezoresistor RV2 are respectively connected with an external alternating current power supply, the other end of the thermistor RV1, the other end of the piezoresistor RV2 and one end of a capacitor C1 are connected with a pin 1 of a filter inductor EMI, the other end of the capacitor C1 and a pin 2 of the filter inductor EMI are connected with one end of a piezoresistor RV2, a pin 3 of the filter inductor EMI is connected with a pin 1 of a rectifier bridge U1, a pin 4 of the filter inductor EMI is connected with a pin 2 of a rectifier bridge U1, a pin 3 of a rectifier bridge U1 is connected with a pin 1 of a filter capacitor C2, one end of a diode DZ1 and a pin 1 of a transformer T1, the other end of a filter capacitor C24, a pin 4 of a rectifier bridge U1, a pin 1 of a chip U2, a pin 2 of a chip U2, a pin 3 of a chip U2, a pin 4 of a chip U2, one end of a capacitor C3, one end of a pin CX, one end of a capacitor CX and one end of a pin 368627 are connected with a pin 2 of an OP1, a pin 5 of a pin 36867 of a chip U867 and a pin 2 of an optocoupler 1 of a diode U867, A pin 2 of a transformer T1 is connected, the other end of a diode D1 is connected to the other end of a diode DZ1, a pin 4 of a transformer T1 is connected to one end of a capacitor C1, a pin 4 of a transformer T1 is used as a potential terminal TGND, a pin 5 of a transformer T1 is connected to one end of a diode D4, a pin 4 of a transformer D4 is connected to the other end of a capacitor C11, the other end of a diode D4 is used as a potential terminal TVCC, a pin 10 of a transformer T1, one end of a capacitor C4, one end of a capacitor C5, and one end of a capacitor C6 are all grounded, a pin 9 of a transformer T1 is connected to one end of a diode D2, the other end of a diode D2, the other end of a capacitor C4, one end of an inductor L1, one end of a resistor R1, one end of a resistor R2, the other end of an inductor L1, the other end of a capacitor C5 is connected to the other end of a capacitor C6, the other end of a capacitor L1 is used as a potential terminal VCC, and one end of a pin 6857 of a capacitor C1 are connected to the other end of a capacitor C7, One end of a capacitor C8, a pin 2 of a chip U3, one end of a capacitor C9 and one end of a capacitor C10 are connected, one end of the capacitor C10 is used as a potential end RGND, a pin 6 of a transformer T1 is connected with one end of a diode D3, the other end of the diode D3 is connected with the other end of the capacitor C7, the other end of the capacitor C8 and a pin 1 of the chip U3, a pin 1 of the chip U3 is used as a potential end RVCC, a pin 3 of the chip U3 and the other end of the capacitor C9 are connected with the other end of the capacitor C10, the other end of the capacitor C10 is used as a potential end RVDD, a pin 3 of the chip U4 and one end of the capacitor C16, one end of a capacitor C15 is connected with the other end of the inductor L1, a pin 2 of a chip U4, a pin 4 of a chip U4 and one end of a capacitor C14 are connected with one end of a capacitor C13, a pin 2 of a chip U4 is used as a potential end VDD, and the other end of the capacitor C16, the other end of the capacitor C15, the other end of a capacitor C14, the other end of the capacitor C13 and a pin 1 of the chip U4 are all grounded;

a pin 3 of the optical coupler OP1 is connected with the other end of the resistor R1, a pin 4 of the optical coupler OP1 is connected with the other end of the resistor R2, one end of the capacitor C12 and a pin 1 of the chip U20, the other end of the capacitor C12, one end of the resistor R3 and one end of the resistor R4 are connected with a pin 2 of the chip U20, the other end of the resistor R3 and one end of the resistor R30 are connected with the other end of the inductor L1, the other end of the resistor R30 is connected with one end of the diode LED6, and the other end of the diode LED6, the other end of the resistor R4, a pin 3 of the chip U20 and the other end of the capacitor CX are all grounded;

one end of a capacitor C39, one end of the capacitor C39 and one end of the capacitor C39 are all grounded, the other end of the capacitor C39 and one end of a crystal oscillator X39 are connected with a pin 3 of a chip U39, the other end of the capacitor C39 and the other end of the crystal oscillator X39 are connected with a pin 4 of the chip U39, the other end of the capacitor C39 and one end of the crystal oscillator X39 are connected with a pin 5 of the chip U39, the other end of the capacitor C39 and the other end of the crystal oscillator X39 are connected with a pin 6 of the chip U39, a pin 12 of the chip U39 is grounded, one end of the capacitor C39 is grounded, the other end of the capacitor C39 and a pin 13 of the chip U39 are all grounded, one end of a resistor R39 is grounded, the other end of the resistor R39 is connected with a pin 28 of the chip U39, one end of the capacitor C39 is grounded, the other ends of the capacitor C39 and a pin 32 of the chip U39 are all grounded, a pin 31 of the chip U39 is grounded, one end of the chip U39 is grounded, the other end of the capacitor C37 and a pin 64 of the chip U7 are both connected with VDD;

one end of a resistor RA1 is connected with the anode AL end of the working voltage of the controlled equipment, the other end of a resistor RA1 is connected with one end of a resistor RA2, the other end of the resistor RA2 is connected with one end of a resistor RA3, the other end of a resistor RA3, one end of a resistor RA4 and one end of a resistor RA7 are connected with one end of a resistor RA9, the controlled negative AN end of the working voltage of the controlled equipment is connected with one end of AN inductor LA1, the other end of the inductor LA1 is connected with the other end of a resistor RA4, one end of a resistor RA8 and one end of a resistor RA10, the other end of a resistor RA7 is connected with the other end of the resistor RA8, one end of a capacitor CA1 and one end of a capacitor CA2, the other end of the resistor RA9 and the other end of a capacitor CA1 are connected with the 4 pin of a chip U6, and the other ends of the resistor RA10 and the capacitor CA2 are connected with the pin of a chip U6DE 5;

the 4 pin and the 3 pin of the mutual inductance CT1 are respectively connected to two ends of an operating current position of a controlled device, the 2 pin of the mutual inductance CT1 is connected to one end of a switch S31, one end of a switch S32, one end of a switch S33, one end of a switch S34, one end of a resistor RB7 and one end of a resistor RB7, the 1 pin of the mutual inductance CT 7 is connected to one end of the resistor RB7, one end of the resistor RB7 and one end of the resistor RB7, the other end of the resistor RB7 is connected to the other end of the switch S7, one end of the resistor RB7 and one end of the capacitor CB 7 are connected to a 6 pin of the chip U7, the other end of the resistor RB7, the other end of the resistor CB 7, the other end of the CB 7 is connected to the capacitor CB 7, the capacitor CB 7 and the other end of the capacitor CB 7 are connected to the chip CB 7, the capacitor CB 7, the resistor CB 7 is connected to the other end of the resistor CB 7, the capacitor CB 7 is connected to the chip CB 7, one end of a resistor B0 is connected with VCC, the other end of a resistor B0 is connected with a pin 12 of a chip U6, one end of a capacitor C27 and one end of a capacitor C28 are connected with a pin 10 of a chip U6, the other end of a capacitor C27, the other end of a capacitor C28, a pin 11 of the chip U6 and a pin 17 of a chip U6 are all grounded, one end of a capacitor C25 and one end of a capacitor C26 are both grounded, the other end of the capacitor C25 and one end of a crystal oscillator X1 are connected with a pin 20 of the chip U6, and the other end of the capacitor C26 and the other end of the crystal oscillator X1 are connected with a pin 19 of the chip U6;

one end of a capacitor C23 and one end of a capacitor C24 are grounded, the other end of a capacitor C23, the other end of a capacitor C24, one end of a resistor R6 and an 18 pin of a chip U6 are all connected with VCC, one end of a capacitor C21 and one end of a capacitor C22 are all grounded, the other end of the capacitor C21, the other end of a capacitor C22, one end of a resistor R5 and the other end of a resistor R6 are connected with a1 pin of the chip U6, and the other end of a resistor R5 is connected with a2 pin of the chip U6;

the 16 pin of the chip U6 is connected with the 44 pin of the chip U7, the 15 pin of the chip U6 is connected with the 45 pin of the chip U7, the 14 pin of the chip U6 is connected with the 50 pin of the chip U7, and the 13 pin of the chip U6 is connected with the 53 pin of the chip U7;

one end of a resistor R26 is connected with a pin 59 of a chip U7, the other end of a resistor R26 is connected with a base set of a triode Q4, an emitting electrode of the triode Q4 is grounded, a collecting electrode of a triode Q4 is connected with one end of a diode D5 and one end of a contact switch JK1, the other end of the diode D5 and the other end of the contact switch JK1 are both connected with VCC, and the contact switch JK1 is provided with a plurality of touch terminals for controlling different working states of the compressor;

the temperature acquisition unit is provided with a resistor R62, a chip U13, a resistor R63, a resistor R64, a resistor R65, a chip U12A, a capacitor C51, a resistor R66, a triode Q6, a resistor R67, a resistor R68, a chip U12B, a resistor R69, a resistor R70, a capacitor C52 and a capacitor C53;

one end of a resistor R62 is connected with VDD, the other end of the resistor R62 is connected with a pin 2 of a chip U62, a pin 3 of the chip U62, one end of the resistor R62 and one end of a resistor R62, the other end of the resistor R62 is connected with one end of the resistor R62 and a pin 1 of the chip U12 62, the other end of the resistor R62 is connected with a pin 2 of the chip U12 62 and an emitter of a triode Q62, a pin 4 of the chip U12 62 and one end of a capacitor C62 are connected with VDD, the other end of the capacitor C62 and a pin 5 of the chip U12 62 are grounded, a pin 3 of the chip U12 62 is connected with one end of the resistor R62, the other end of the resistor R62 is connected with a base of the triode Q62, a collector of the triode Q62 is connected with one end of the resistor R62, the other end of the resistor R62 is connected with a pin 2 of the chip U12, the other end of the resistor R62 and the other end of the capacitor R62 are connected with one end of the pin 3 of the resistor R62, the other end of the resistor R62 and the other end of the capacitor R62, the other end of the resistor R62 are connected with the resistor R62, the other end of the resistor R62 and the capacitor C62, the resistor R62 are connected with the pin of the other end of the resistor R62, the capacitor C62, the resistor R62, the other end of the resistor R62 are connected with the pin of the capacitor C62, the resistor R62 and the other end of the capacitor C62 are connected with the transistor C62, the other end of the resistor R62, the transistor C62 are connected with the transistor C62, the resistor R62, the transistor C62 and the transistor C62, the other end of the transistor C62 are connected with the transistor C62, the transistor C62 and the transistor C62 are connected with the transistor C62, the other end of the transistor C62, the other end of the transistor C62, the transistor C36, One end of the capacitor C53 is connected with the pin 8 of the chip U7, and the pin 1 of the chip U13, the other end of the resistor R65, the other end of the resistor R68 and the other end of the capacitor C53 are all grounded.

Preferably, the communication unit is provided with a resistor R7, a resistor R8, an optocoupler 0P2, an optocoupler OP3, a resistor R9, a resistor R10, a triode Q3, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a chip U8, a capacitor C45 and a resistor TVS 1;

one end of a resistor R7 is connected with VDD, the other end of a resistor R7 and a pin 1 of an optocoupler OP2 are connected with a pin 52 of a chip U7, a pin 2 of an optocoupler OP2 is grounded, a pin 4 of an optocoupler OP2 is connected with a pin 1 of the chip U8, one end of a resistor R8 is connected with RVDD, the other end of the resistor R8 is connected with a pin 3 of the optocoupler OP 8, one end of a resistor R8 is connected with VDD, the other end of the resistor R8 is connected with a pin 1 of the optocoupler OP 8, a pin 2 of the optocoupler 8 is connected with a pin 51 of the chip U8, a pin 4 of the optocoupler OP 8 is connected with RGND, a pin 3 of the optocoupler 8 is connected with a pin 4 of the chip U8 and one end of the resistor R8, the other end of the resistor R8, an emitter of a triode Q8, one end of the capacitor C8 is connected with the RVDD, the other end of the resistor R8 is connected with an emitter of the triode 8, and a base of the triode R8, the resistor R8 are connected with the resistor R8, and a pin 3 of the other end of the triode 8, and a pin 3 of the chip U8, the resistor R8 are connected with the chip U8, and the resistor R8, the other end of the resistor R8, the resistor R8 are connected with the resistor R8, the resistor, A pin 3 of a chip U8 is connected with a collector of a triode Q3, a pin 8 of the chip U8 and one end of a resistor R13 are both connected with RVDD, a pin 5 of the chip U8 is connected with one end of a resistor R14, the other end of a resistor R13 and one end of a resistor TVS1 are connected with a pin 6 of the chip U8, and the other end of a resistor R14 and the other end of the resistor TVS1 are connected with a pin 7 of the chip U8;

the type of the chip U8 is 6LB184, the type of the triode Q3 is 9012, the type of the optocoupler OP2 is EL816, and the type of the optocoupler OP3 is EL 816.

Preferably, the USB-serial port conversion unit is provided with a diode D10, a resistor R21, a triode Q1, a triode Q2, a resistor R22, a resistor R23, a resistor R24, a capacitor C29, a capacitor C30, a chip U10 with a model of CH340G, a capacitor C33, a capacitor C31, a capacitor C32, a crystal oscillator X4 and a USB interface CON 5;

one end of a diode D10 is connected with a pin 7 of a chip U7, the other end of a diode D10 and one end of a resistor R21 are connected with a collector of a triode Q1, the other end of a resistor R21 and an emitter of a triode Q2 are connected with VDD, a base set of a triode Q2 is connected with one end of the resistor R22, the other end of a resistor R22 is connected with an emitter of the triode Q1 and a pin 14 of the chip U10, a collector of the triode Q2 is connected with one end of a resistor R23, the other end of the resistor R23 is connected with a pin 59 of the chip U7, a base set of the triode Q1 is connected with one end of a resistor R24, the other end of a resistor R24 is connected with a pin 13 of a chip U10, one end of a capacitor C29, one end of a capacitor C30 and a pin 16 of the chip U10 are all connected with VCC, the other end of a capacitor C29 and the other end of a capacitor C30 are all grounded;

the 1 pin of the chip U10 is grounded, the 2 pin of the chip U10 is connected with the 43 pin of the chip U7, the 3 pin of the chip U10 is connected with the 42 pin of the chip U7, the 4 pin of the chip U10 is connected with one end of a capacitor C33, the other end of the capacitor C33 is grounded, the 5 pin of the chip U10 is connected with the 2 pin of a USB interface CON5, the 6 pin of the chip U10 is connected with the 3 pin of a USB interface CON5, the 7 pin of the chip U10 is connected with one end of a crystal oscillator X4 and one end of a capacitor C32, the 8 pin of the chip U10 is connected with the other end of the crystal oscillator X4 and one end of the capacitor C31, the other end of the capacitor C31, the other end of the capacitor C32 and the 5 pin of the USB interface CON5 are grounded, and the 1 pin of the USB interface CON5 is connected with VCC;

the storage unit is provided with a resistor R18, a capacitor C34, a chip U9 with the model number of M25P64-VME6G, a resistor R60, a resistor R61, a capacitor C46 and a chip U11 with the model number of MB85RC 16;

one end of the resistor R18 is connected with VDD, the other end of the resistor R18 and the pin 1 of the chip U9 are connected with the pin 33 of the chip U7, the pin 35 of the chip U7 is connected with the pin 2 of the chip U9, the pin 34 of the chip U7 is connected with the pin 6 of the chip U9, the pin 36 of the chip U7 is connected with the pin 5 of the chip U9, the pin 4 of the chip U9 is grounded, the pin 3 of the chip U9, one end of the capacitor C34, the pin 7 of the chip U9 and the pin 8 of the chip U9 are all connected with VDD, and the other end of the capacitor C34 is grounded;

one end of a resistor R60, one end of a resistor R61, one end of a capacitor C46 and an 8 pin of a chip U11 are all connected with VDD, the other end of the capacitor C46 is grounded, the other end of a resistor R60 is connected with a 30 pin of a chip U7, the other end of a resistor R61 is connected with a 29 pin of the chip U7, a7 pin of a chip U11, a1 pin of the chip U11, a2 pin of the chip U11, a3 pin of the chip U11 and a4 pin of the chip U11 are all grounded, a 5 pin of the chip U11 is connected with a 30 pin of the chip U7, and a 6 pin of the chip U11 is connected with a 29 pin of the chip U7;

the KEY input unit is provided with a KEY1, a KEY2, a KEY3, a KEY4, a capacitor C47, a capacitor C48, a capacitor C49 and a capacitor C50;

one end of a KEY1 and one end of a capacitor C47 are connected with a pin 54 of a chip U7, one end of a KEY2 and one end of a capacitor C48 are connected with a pin 55 of a chip U7, one end of a KEY3 and one end of a capacitor C49 are connected with a pin 56 of the chip U7, and one end of a KEY4 and one end of the capacitor C50 are connected with a pin 57 of the chip U7;

the other end of the KEY1, the other end of the capacitor C47, the other end of the KEY2, the other end of the capacitor C48, the other end of the KEY3, the other end of the capacitor C49, the other end of the KEY4 and the other end of the capacitor C50 are all grounded;

the LED unit is provided with a diode LED1, a diode LED2, a diode LED3, a diode LED4, a diode LED5, a resistor R52, a resistor R53, a resistor R54, a resistor R55 and a resistor R56;

one end of a resistor R52, one end of a resistor R53, one end of a resistor R54, one end of a resistor R55 and one end of a resistor R56 are all connected with VDD, the other end of the resistor R52 is connected with one end of a diode LED1, the other end of a diode LED1 is connected with a pin 37 of a chip U7, the other end of a resistor R53 is connected with one end of a diode LED2, the other end of a diode LED2 is connected with a pin 38 of the chip U7, the other end of a resistor R54 is connected with one end of a diode LED3, the other end of a diode LED3 is connected with a pin 39 of a chip U7, the other end of a resistor R55 is connected with one end of a diode LED4, the other end of a diode LED4 is connected with a pin 40 of a chip U7, the other end of a resistor R56 is connected with one end of a diode LED5, and the other end of a diode LED5 is connected with a pin 41 of a chip U7;

the liquid crystal display unit is provided with a rheostat RT1, a resistor R25 triode Q5 and a chip LCD1 with the model 1602;

the 1 pin of the chip LCD1 is grounded, the 2 pin of the chip LCD1 and the 15 pin of the chip LCD1 are both connected to VCC, the 3 pin of the chip LCD1 is connected to the 1 pin of the varistor RT1 and the 2 pin of the varistor RT1, the 3 pin of the varistor RT1 is grounded, the 4 pin of the chip LCD1 is connected to the 26 pin of the chip U1, the 5 pin of the chip LCD1 is connected to the 25 pin of the chip U1, the 6 pin of the chip LCD1 is connected to the 24 pin of the chip U1, the 7 pin of the chip LCD1 is connected to the 14 pin of the chip U1, the 8 pin of the chip LCD1 is connected to the 15 pin of the chip U1, the 9 pin of the chip LCD1 is connected to the 16 pin of the chip U1, the 10 pin of the chip LCD1 is connected to the 17 pin of the chip U1, the 11 pin of the chip LCD1 is connected to the 20 pin of the chip U1, the 12 pin of the chip LCD1 is connected to the pin of the chip U1, the other pin of the chip LCD1 is connected to the chip R1, the chip R1 is connected to the chip R1 of the chip R1, the chip R1 of the chip R1 is connected to the chip R1 of the chip U1, the chip R1 is connected to the chip R1 of the chip U1, the chip R14, the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected to the 16-pin of the chip LCD 1.

Preferably, the energy-saving controller of the temperature adjusting device is further provided with a battery power supply circuit, and the battery power supply circuit is provided with a capacitor C44, a battery BT1, a diode Q121 and a diode Q122;

one end of a capacitor C44 and one end of a diode Q121 are connected with a pin 1 of the chip U7, the other end of the diode Q121 and one end of a diode Q122 are connected with the anode of the battery BT1, the other end of the diode Q122 is connected with VDD, and the other end of the capacitor C44 and the cathode of the battery BT1 are both grounded.

The energy-saving controller of the temperature regulating equipment is provided with a main control unit, a signal acquisition unit, a relay control execution unit and a switch power supply, wherein the input end of the signal acquisition unit is used for respectively acquiring a working voltage signal and a working current signal of controlled equipment, the working voltage signal output end and the working current signal output end of the signal acquisition unit are respectively connected with the main control unit, the main control unit outputs a control signal to the relay control execution unit, and the relay control execution unit outputs a control signal for controlling the working condition of the controlled equipment; the signal acquisition unit inputs the acquired voltage and current signals to the main control unit, and the main control unit controls the relay to control the execution unit to execute the action of the relay. The energy-saving controller of the temperature adjusting equipment has the characteristics of convenience in installation, wide application range and good energy-saving effect.

Drawings

The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.

Fig. 1 is a circuit diagram of a switching power supply of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 2 is a circuit diagram of a main control unit of an energy saving controller of a temperature adjusting device of the present invention.

Fig. 3 is a circuit diagram of a signal acquisition unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 4 is a circuit diagram of a relay control execution unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 5 is a circuit diagram of a temperature collecting unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 6 is a circuit diagram of a communication unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 7 is a circuit diagram of a USB-serial port conversion unit of an energy-saving controller of a temperature adjusting device of the present invention.

Fig. 8 is a circuit diagram of a memory unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 9 is a circuit diagram of a key input unit of an energy saving controller of a temperature adjusting apparatus of the present invention.

Fig. 10 is a circuit diagram of an LED unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Fig. 11 is a circuit diagram of a liquid crystal display unit of an energy saving controller of a temperature adjusting apparatus according to the present invention.

Detailed Description

The invention is further described with reference to the following examples.

Example 1.

An energy-saving controller of a temperature adjusting device is provided with a main control unit, a signal acquisition unit, a relay control execution unit, a switching power supply, a temperature probe, a temperature acquisition unit, a communication unit, a USB-serial port conversion unit, a key input unit, an LED unit, a liquid crystal display unit and a storage unit.

The input end of the signal acquisition unit respectively acquires a working voltage signal and a working current signal of the controlled equipment, the working voltage signal output end and the working current signal output end of the signal acquisition unit are respectively connected with the main control unit, the main control unit outputs a control signal to the relay control execution unit, and the relay control execution unit outputs a control signal for controlling the working condition of the controlled equipment. The signal acquisition unit inputs the acquired voltage and current signals to the main control unit, and the main control unit controls the relay to control the execution unit to execute the action of the relay.

The temperature probe is arranged in the area space regulated and controlled by the controlled equipment, the input end of the temperature acquisition unit acquires the temperature signal of the temperature probe, and the temperature signal output end of the temperature acquisition unit is connected with the main control unit. The communication unit, the USB-serial port conversion unit, the key input unit, the LED unit, the liquid crystal display unit and the storage unit are also respectively connected with the main control unit.

The energy-saving controller of the temperature adjusting device is directly assembled on the controlled device in the using process and has the characteristic of convenient installation.

The main control unit is internally provided with a detailed management control unit which is provided with M schedules for controlling the operation of the temperature adjusting equipment according to different months of a year and different periods of a day. For example, a year is divided into 12 segments according to 12 months, a day is divided into four segments according to 24 hours, and schedule management information corresponding to time points is formed by different segments and different segments. The schedule at each time point is stored in advance.

The energy-saving controller of the temperature adjusting equipment comprises the following steps,

According to the energy-saving controller of the temperature regulating equipment, the main control unit can control and operate the temperature in the controlled equipment region to output a control signal to the relay control execution unit under the condition that the temperature is higher than the set temperature by 1 ℃ or lower than the temperature management upper limit by 0.5 ℃.

The energy-saving controller of the temperature adjusting equipment performs control and adjustment according to the specific operation condition of the temperature adjusting equipment, has good overall energy-saving effect and can achieve 10% -25% of electricity-saving effect.

According to the energy-saving controller of the temperature adjusting equipment, the storage unit collects and records the running condition of the controlled equipment according to the frequency of 0.1 second/time to 2 minutes/time, and the running condition of the temperature adjusting equipment is conveniently consulted. The energy-saving controller of the temperature regulation equipment can also comprise an upper computer, wherein the upper computer reads the running condition parameters of the temperature regulation equipment on line, summarizes the used electric quantity and the saved electric quantity of the temperature regulation equipment to be controlled, and automatically generates an energy-saving daily report, a month report and a year report to realize visual management.

Example 2.

As shown in fig. 1, the switching power supply is provided with a thermistor RV1, a varistor RV2, a capacitor C1, a filter inductor EMI, a rectifier bridge U1, a capacitor C2, a capacitor C3, a chip U2, a diode DZ1, a diode D1, a transformer T1, a diode D1, a capacitor C1, a chip U1, a resistor R1, a diode LED1, a resistor R1, a triode U1, a capacitor CX, an optical coupler OP1, a capacitor C1, a capacitor U1, a chip U1, a model number of an EPC TL 6 of the rectifier bridge U1, a model number of a tnu 1 of the rectifier bridge 1, a model number of the chip T1 of the chip 1, a model number of the chip 1, a chip 1 of the model number of the chip 1, a model number of the chip 1, a chip 1 of the model number of the chip 1, and a chip 1 of the model number 1 of the model number 1 of the.

One end of a thermistor RV1 and one end of a piezoresistor RV2 are respectively connected with an external alternating current power supply, the other end of the thermistor RV1, the other end of the piezoresistor RV2 and one end of a capacitor C1 are connected with a pin 1 of a filter inductor EMI, the other end of the capacitor C1 and a pin 2 of the filter inductor EMI are connected with one end of a piezoresistor RV2, a pin 3 of the filter inductor EMI is connected with a pin 1 of a rectifier bridge U1, a pin 4 of the filter inductor EMI is connected with a pin 2 of a rectifier bridge U1, a pin 3 of a rectifier bridge U1 is connected with a pin 1 of a filter capacitor C2, one end of a diode DZ1 and a pin 1 of a transformer T1, the other end of a filter capacitor C24, a pin 4 of a rectifier bridge U1, a pin 1 of a chip U2, a pin 2 of a chip U2, a pin 3 of a chip U2, a pin 4 of a chip U2, one end of a capacitor C3, one end of a pin CX, one end of a capacitor CX and one end of a pin 368627 are connected with a pin 2 of an OP1, a pin 5 of a pin 36867 of a chip U867 and a pin 2 of an optocoupler 1 of a diode U867, A pin 2 of a transformer T1 is connected, the other end of a diode D1 is connected to the other end of a diode DZ1, a pin 4 of a transformer T1 is connected to one end of a capacitor C1, a pin 4 of a transformer T1 is used as a potential terminal TGND, a pin 5 of a transformer T1 is connected to one end of a diode D4, a pin 4 of a transformer D4 is connected to the other end of a capacitor C11, the other end of a diode D4 is used as a potential terminal TVCC, a pin 10 of a transformer T1, one end of a capacitor C4, one end of a capacitor C5, and one end of a capacitor C6 are all grounded, a pin 9 of a transformer T1 is connected to one end of a diode D2, the other end of a diode D2, the other end of a capacitor C4, one end of an inductor L1, one end of a resistor R1, one end of a resistor R2, the other end of an inductor L1, the other end of a capacitor C5 is connected to the other end of a capacitor C6, the other end of a capacitor L1 is used as a potential terminal VCC, and one end of a pin 6857 of a capacitor C1 are connected to the other end of a capacitor C7, One end of a capacitor C8, a pin 2 of a chip U3, one end of a capacitor C9 and one end of a capacitor C10 are connected, one end of the capacitor C10 is used as a potential end RGND, a pin 6 of a transformer T1 is connected with one end of a diode D3, the other end of the diode D3 is connected with the other end of the capacitor C7, the other end of the capacitor C8 and a pin 1 of the chip U3, a pin 1 of the chip U3 is used as a potential end RVCC, a pin 3 of the chip U3 and the other end of the capacitor C9 are connected with the other end of the capacitor C10, the other end of the capacitor C10 is used as a potential end RVDD, a pin 3 of the chip U4 and one end of the capacitor C16, one end of a capacitor C15 is connected with the other end of the inductor L1, a pin 2 of a chip U4, a pin 4 of a chip U4 and one end of a capacitor C14 are connected with one end of a capacitor C13, a pin 2 of a chip U4 is used as a potential end VDD, and the other end of the capacitor C16, the other end of the capacitor C15, the other end of a capacitor C14, the other end of the capacitor C13 and a pin 1 of the chip U4 are all grounded.

The other end of 3 feet and the resistance R1 of opto-coupler OP1 is connected, the other end of 4 feet and the resistance R2 of opto-coupler OP1, the one end of electric capacity C12, 1 foot of chip U20 is connected, the other end of electric capacity C12, resistance R3 one end, resistance R4 one end is connected with 2 feet of chip U20, the other end of resistance R3, resistance R30 one end is connected with the other end of inductance L1, the other end of resistance R30 is connected with the one end of diode LED6, the other end of diode LED6, the other end of resistance R4, 3 feet of chip U20, the other end of electric capacity CX all grounds.

The thermistor RV1 and the piezoresistor RV2 at the front end of the input are used for protecting a rear-stage switching power supply, when a short-circuit fault or overcurrent occurs on the primary side of the transformer, the thermistor self generates heat due to large current, and the resistance value of the thermistor increases in a step manner along with the rise of temperature, so that the input current is pinched off to achieve the effect of protecting a rear-stage circuit. When the input voltage is too high, irreversible damage can be caused to a rear-stage switching power supply, and the voltage dependent resistor is added to pull down the input voltage, so that the protection effect is realized, and the protection is mainly used for resisting surge protection in the aspect of EMC.

C1, CX acts as a power filter. The EMI is a ring filter inductor which is used for attenuating common-mode current to achieve the purpose of filtering. After passing through a front-stage circuit, the power supply is rectified into a sawtooth waveform through a rectifier bridge MB6S, and then filtered through C2 to obtain a relatively straight direct current which is input to the primary side of the transformer.

U2 is a switching power management chip TNY276GN of PI corporation. A700V voltage-resistant MOSFET, an internal oscillator and a high-voltage switch current source are integrated inside the circuit, and the circuit is provided with overvoltage protection, overcurrent protection and overheat protection. When the internal MOS tube of the TNY276GN is in a conducting state, the input voltage is conducted with the U2 through the primary side of the transformer, and the primary side of the transformer starts to store energy. When an MOS tube in the TNY276GN is in an off state, the primary side of the transformer starts to release energy, induced electromotive force is generated on the secondary side through electromagnetic induction, and a relatively gentle direct current output is obtained after half-wave rectification and filtering of D2, C4, L1, C5 and C6.

In the feedback circuit with 5V output, the core element is U20, the reference voltage of TL431 is 2.5V, and the designed output is 5V, so that R3-R4-4.99K are assigned. When the output is detected to be higher than or lower than 5V, the TL431 feeds back to the switching power supply chip through the optical coupling of the OP1 which is switched on and off, and then the duty ratio of the TNY276GN is adjusted, so that the 5V power supply with stable output is realized. The main 5V voltage is regulated and output to 3.3V voltage after passing through an ASM1117-3.3V chip, and is supplied to circuits such as an internal MCU and the like. RVDD, RGND are the power supply for communication, this part is in pace with main 5V. The output RVCC is 8V and is regulated to 5V through 78L 05. The part is electrically isolated from the power input end and the main 5V, and the withstand voltage level is 2 kV.

As shown in fig. 2, the main control unit is provided with a chip U7 of model STM32F103RCT6/64, a resistor R16, a capacitor C35, a capacitor C36, a resistor R17, a capacitor C38, a capacitor C39, a capacitor C40, a capacitor C41, a capacitor C42, a crystal oscillator X2, a crystal oscillator X3, a capacitor C43, a resistor R15 and a capacitor C37.

One end of a capacitor C39, one end of the capacitor C39 and one end of the capacitor C39 are all grounded, the other end of the capacitor C39 and one end of a crystal oscillator X39 are connected with a pin 3 of a chip U39, the other end of the capacitor C39 and the other end of the crystal oscillator X39 are connected with a pin 4 of the chip U39, the other end of the capacitor C39 and one end of the crystal oscillator X39 are connected with a pin 5 of the chip U39, the other end of the capacitor C39 and the other end of the crystal oscillator X39 are connected with a pin 6 of the chip U39, a pin 12 of the chip U39 is grounded, one end of the capacitor C39 is grounded, the other end of the capacitor C39 and a pin 13 of the chip U39 are all grounded, one end of a resistor R39 is grounded, the other end of the resistor R39 is connected with a pin 28 of the chip U39, one end of the capacitor C39 is grounded, the other ends of the capacitor C39 and a pin 32 of the chip U39 are all grounded, a pin 31 of the chip U39 is grounded, one end of the chip U39 is grounded, the other end of the capacitor C37 and a pin 64 of the chip U7 are both connected to VDD.

A battery power supply circuit is also provided, which is provided with a capacitor C44, a battery BT1, a diode Q121 and a diode Q122.

R15 and C43 form the reset circuit of the single chip microcomputer. X3, C39 and C40 provide clocks for an RTC in the single chip microcomputer, and X2, C41 and C42 provide clocks for the single chip microcomputer. Q12, BAT1, C44 can be battery powered circuits to provide back-up power for the RTC clock.

As shown in fig. 3, the signal acquisition unit is provided with a chip U6 with model number RN8209D, a resistor RA1, a resistor RA2, a resistor RA3, a resistor RA4, a resistor RA7, a resistor RA8, a resistor RA9, a resistor RA10, an inductor LA1, a capacitor CA1, a capacitor CA2, a mutual inductance CT1, a resistor RB4, a resistor RB0, a resistor RB1, a resistor RB2, a switch S31, a switch S32, a switch S33, a switch S34, a resistor RB 34, a capacitor CB 34, a capacitor C34, a resistor R34, a capacitor C34, a crystal oscillator X34, a capacitor C34 and a capacitor C34.

One end of a resistor RA1 is connected with the anode AL end of the working voltage of the controlled device, the other end of a resistor RA1 is connected with one end of a resistor RA2, the other end of the resistor RA2 is connected with one end of a resistor RA3, the other end of a resistor RA3, one end of a resistor RA4 and one end of a resistor RA7 are connected with one end of a resistor RA9, the cathode AN end of the working voltage of the controlled device is connected with one end of AN inductor LA1, the other end of the inductor LA1 is connected with the other end of a resistor RA4, one end of a resistor RA8 and one end of a resistor RA10, the other end of a resistor RA7 is connected with the other end of the resistor RA8, one end of a capacitor CA1 and one end of a capacitor CA2, the other end of the resistor RA9 and the other end of a capacitor CA1 are connected with a pin 4 of a chip U6, and the other ends of the resistor RA10 and the other end of the capacitor CA2 are connected with a pin U6DE 5.

The 4 pin and the 3 pin of the mutual inductance CT1 are respectively connected to two ends of an operating current position of a controlled device, the 2 pin of the mutual inductance CT1 is connected to one end of a switch S31, one end of a switch S32, one end of a switch S33, one end of a switch S34, one end of a resistor RB7 and one end of a resistor RB7, the 1 pin of the mutual inductance CT 7 is connected to one end of the resistor RB7, one end of the resistor RB7 and one end of the resistor RB7, the other end of the resistor RB7 is connected to the other end of the switch S7, one end of the resistor RB7 and one end of the capacitor CB 7 are connected to a 6 pin of the chip U7, the other end of the resistor RB7, the other end of the resistor CB 7, the other end of the CB 7 is connected to the capacitor CB 7, the capacitor CB 7 and the other end of the capacitor CB 7 are connected to the chip CB 7, the capacitor CB 7, the resistor CB 7 is connected to the other end of the resistor CB 7, the capacitor CB 7 is connected to the chip CB 7, one end of a resistor B0 is connected with VCC, the other end of a resistor B0 is connected with a pin 12 of a chip U6, one end of a capacitor C27 and one end of a capacitor C28 are connected with a pin 10 of a chip U6, the other end of a capacitor C27, the other end of a capacitor C28, a pin 11 of the chip U6 and a pin 17 of a chip U6 are all grounded, one end of a capacitor C25 and one end of a capacitor C26 are both grounded, the other end of the capacitor C25 and one end of a crystal oscillator X1 are connected with a pin 20 of the chip U6, and the other end of the capacitor C26 and the other end of the crystal oscillator X1 are connected with a pin 19 of the chip U6.

One end of a capacitor C23 and one end of a capacitor C24 are all grounded, the other end of a capacitor C23, the other end of a capacitor C24, one end of a resistor R6 and 18 pins of a chip U6 are all connected with VCC, one end of a capacitor C21 and one end of a capacitor C22 are all grounded, the other end of a capacitor C21, the other end of a capacitor C22, one end of a resistor R5 and the other end of a resistor R6 are connected with 1 pin of the chip U6, and the other end of a resistor R5 is connected with 2 pins of the chip U6.

The 16 pin of the chip U6 is connected to the 44 pin of the chip U7, the 15 pin of the chip U6 is connected to the 45 pin of the chip U7, the 14 pin of the chip U6 is connected to the 50 pin of the chip U7, and the 13 pin of the chip U6 is connected to the 53 pin of the chip U7.

The voltage input is subjected to resistance voltage division through RA1, RA2, RA3 and RA4 and then input into V1P and V1N of RN8209D, the current input is subjected to current mutual inductance to obtain small current signals, and the small current signals are subjected to resistance RB4 to obtain V2P and V2N of the voltage signal input RN 8209D. C23 and C24 are filter capacitors at the input end of the working power supply of U6, and mainly have filtering and decoupling effects. The power supply supplies power to the U6 analog power supply through R6, C21 and C22. R5 pulls up the reset pin of U6, B0 pulls up, the communication of U6 is in SPI mode, and C27 and C28 are filtering and decoupling capacitors of the reference voltage output of U6. X1 and C25, C26 clock U6.

As shown in fig. 4, the relay control performing unit is provided with a resistor R26, a transistor Q4, a diode D5, and a contact switch JK 1.

One end of a resistor R26 is connected with a pin 59 of a chip U7, the other end of a resistor R26 is connected with a base set of a triode Q4, an emitting electrode of the triode Q4 is grounded, a collecting electrode of the triode Q4 is connected with one end of a diode D5 and one end of a contact switch JK1, the other end of the diode D5 and the other end of the contact switch JK1 are both connected with VCC, and the contact switch JK1 is provided with a plurality of touch terminals for controlling different working states of the compressor.

As shown in fig. 5, the temperature acquisition unit is provided with a resistor R62, a chip U13, a resistor R63, a resistor R64, a resistor R65, a chip U12A, a capacitor C51, a resistor R66, a triode Q6, a resistor R67, a resistor R68, a chip U12B, a resistor R69, a resistor R70, a capacitor C52, and a capacitor C53.

The temperature probe adopts a PT100 platinum resistor, is a thermistor and obtains corresponding temperature by measuring the resistance value of the resistor. The design adopts a constant current method to measure the resistance, 3.3V obtains a stable reference voltage of 2.5V through R62 and U13, a voltage is generated at the non-inverting input end of the MCP6002 after R64 and R65 voltage division, the voltage at the inverting input end of the MCP6002 is Uset according to the virtual short characteristic of the operational amplifier, the voltage drop at the two ends of R64 and R63 are the same, and the current passing through R63 is as follows:

Ir63＝(2.5V/(R64+R65))*R64/R63。

the invention adopts a differential amplifying circuit which generates 1mA current and generates voltage signals after the current flows into a thermistor, and a post-stage circuit consists of R67, R68, R70, R69, C52, C53 and an operational amplifier, amplifies the voltages at two ends of PT100 and inputs the amplified voltages to the AD sampling of a singlechip.

As shown in fig. 6, the communication unit is provided with a resistor R7, a resistor R8, an optocoupler 0P2, an optocoupler OP3, a resistor R9, a resistor R10, a triode Q3, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a chip U8, a capacitor C45 and a resistor TVS 1.

One end of a resistor R7 is connected with VDD, the other end of a resistor R7 and a pin 1 of an optocoupler OP2 are connected with a pin 52 of a chip U7, a pin 2 of an optocoupler OP2 is grounded, a pin 4 of an optocoupler OP2 is connected with a pin 1 of the chip U8, one end of a resistor R8 is connected with RVDD, the other end of the resistor R8 is connected with a pin 3 of the optocoupler OP 8, one end of a resistor R8 is connected with VDD, the other end of the resistor R8 is connected with a pin 1 of the optocoupler OP 8, a pin 2 of the optocoupler 8 is connected with a pin 51 of the chip U8, a pin 4 of the optocoupler OP 8 is connected with RGND, a pin 3 of the optocoupler 8 is connected with a pin 4 of the chip U8 and one end of the resistor R8, the other end of the resistor R8, an emitter of a triode Q8, one end of the capacitor C8 is connected with the RVDD, the other end of the resistor R8 is connected with an emitter of the triode 8, and a base of the triode R8, the resistor R8 are connected with the resistor R8, and a pin 3 of the other end of the triode 8, and a pin 3 of the chip U8, the resistor R8 are connected with the chip U8, and the resistor R8, the other end of the resistor R8, the resistor R8 are connected with the resistor R8, the resistor, The pin 3 of the chip U8 is connected with the collector of the triode Q3, the pin 8 of the chip U8 and one end of the resistor R13 are both connected with RVDD, the pin 5 of the chip U8 is connected with one end of the resistor R14, the other end of the resistor R13 and one end of the resistor TVS1 are connected with the pin 6 of the chip U8, and the other end of the resistor R14 and the other end of the resistor TVS1 are connected with the pin 7 of the chip U8.

The model of the chip U8 is 6LB184, the model of the triode Q3 is 9012, the model of the optocoupler OP2 is EL816, and the model of the optocoupler OP3 is EL 816.

As shown in fig. 7, the USB-serial port conversion unit is provided with a diode D10, a resistor R21, a transistor Q1, a transistor Q2, a resistor R22, a resistor R23, a resistor R24, a capacitor C29, a capacitor C30, a chip U10 with a model of CH340G, a capacitor C33, a capacitor C31, a capacitor C32, a crystal oscillator X4, and a USB interface CON 5.

One end of a diode D10 is connected with a pin 7 of a chip U7, the other end of a diode D10 and one end of a resistor R21 are connected with a collector of a triode Q1, the other end of a resistor R21 and an emitter of a triode Q2 are connected with VDD, a base set of a triode Q2 is connected with one end of the resistor R22, the other end of a resistor R22 is connected with an emitter of the triode Q1 and a pin 14 of the chip U10, a collector of the triode Q2 is connected with one end of a resistor R23, the other end of the resistor R23 is connected with a pin 59 of the chip U7, a base set of the triode Q1 is connected with one end of a resistor R24, the other end of a resistor R24 is connected with a pin 13 of a chip U10, one end of a capacitor C29, one end of a capacitor C30 and a pin 16 of the chip U10 are all connected with VCC, the other end of a capacitor C29 and the other end of a capacitor C30 are all connected with ground.

The pin 1 of the chip U10 is grounded, the pin 2 of the chip U10 is connected with the pin 43 of the chip U7, the pin 3 of the chip U10 is connected with the pin 42 of the chip U7, the pin 4 of the chip U10 is connected with one end of a capacitor C33, the other end of the capacitor C33 is grounded, the pin 5 of the chip U10 is connected with the pin 2 of a USB interface CON5, the pin 6 of the chip U10 is connected with the pin 3 of the USB interface CON5, the pin 7 of the chip U10 is connected with one end of a crystal oscillator X4 and one end of a capacitor C32, the pin 8 of the chip U10 is connected with the other end of the crystal oscillator X4 and one end of the capacitor C31, the other end of the capacitor C31, the other end of the capacitor C32 and the pin 5 of the USB interface CON5 are grounded, and the pin 1 of the USB interface CON5 is connected with VCC.

As shown in fig. 8, the memory cell is provided with a resistor R18, a capacitor C34, a chip U9 of model M25P64-VME6G, a resistor R60, a resistor R61, a capacitor C46, and a chip U11 of model MB85RC 16.

One end of a resistor R18 is connected with VDD, the other end of the resistor R18 and a pin 1 of a chip U9 are connected with a pin 33 of a chip U7, a pin 35 of the chip U7 is connected with a pin 2 of a chip U9, a pin 34 of a chip U7 is connected with a pin 6 of a chip U9, a pin 36 of the chip U7 is connected with a pin 5 of a chip U9, a pin 4 of the chip U9 is grounded, a pin 3 of the chip U9, one end of a capacitor C34, a pin 7 of the chip U9 and a pin 8 of the chip U9 are all connected with VDD, and the other end of the capacitor C34 is grounded.

One end of a resistor R60, one end of a resistor R61, one end of a capacitor C46 and an 8 pin of a chip U11 are all connected with VDD, the other end of the capacitor C46 is grounded, the other end of the resistor R60 is connected with a 30 pin of a chip U7, the other end of the resistor R61 is connected with a 29 pin of the chip U7, a7 pin of a chip U11, a1 pin of the chip U11, a2 pin of the chip U11, a3 pin of the chip U11 and a4 pin of the chip U11 are all grounded, a 5 pin of the chip U11 is connected with a 30 pin of the chip U7, and a 6 pin of the chip U11 is connected with a 29 pin of the chip U7.

As shown in fig. 9, the KEY input unit is provided with a KEY1, a KEY2, a KEY3, a KEY4, a capacitor C47, a capacitor C48, a capacitor C49, and a capacitor C50.

One end of a KEY1 and one end of a capacitor C47 are connected with a pin 54 of the chip U7, one end of a KEY2 and one end of a capacitor C48 are connected with a pin 55 of the chip U7, one end of a KEY3 and one end of a capacitor C49 are connected with a pin 56 of the chip U7, and one end of a KEY4 and one end of a capacitor C50 are connected with a pin 57 of the chip U7.

The other end of KEY1, the other end of capacitor C47, the other end of KEY2, the other end of capacitor C48, the other end of KEY3, the other end of capacitor C49, the other end of KEY4, and the other end of capacitor C50 are all grounded.

As shown in fig. 10, the LED unit is provided with a diode LED1, a diode LED2, a diode LED3, a diode LED4, a diode LED5, a resistor R52, a resistor R53, a resistor R54, a resistor R55, and a resistor R56.

One end of a resistor R52, one end of a resistor R53, one end of a resistor R54, one end of a resistor R55 and one end of a resistor R56 are all connected with VDD, the other end of the resistor R52 is connected with one end of a diode LED1, the other end of a diode LED1 is connected with a pin 37 of a chip U7, the other end of a resistor R53 is connected with one end of a diode LED2, the other end of a diode LED2 is connected with a pin 38 of the chip U7, the other end of a resistor R54 is connected with one end of a diode LED3, the other end of the diode LED3 is connected with a pin 39 of a chip U7, the other end of the resistor R55 is connected with one end of a diode LED4, the other end of a diode LED4 is connected with a pin 40 of the chip U7, the other end of the resistor R56 is connected with one end of a diode LED5, and the other end of a diode LED5 is connected with a pin 41 of a chip U7.

As shown in fig. 11, the liquid crystal display unit is provided with a varistor RT1, a resistor R25, a transistor Q5, and a chip LCD1 of type 1602.

The energy-saving controller is used for constant-frequency temperature adjusting equipment such as an air conditioner, a water chiller and the like. The energy-saving controller controls the running state of the compressor of the temperature adjusting device according to the running characteristic of the temperature adjusting device and the perception adaptive capacity of the human body to the temperature, thereby adjusting the running curve of the compressor of the temperature adjusting device and achieving the functions of temperature adjustment and control and energy consumption reduction.

When the compressor operates at the temperature close to the lower limit set temperature, the temperature of the whole temperature adjusting device rises, the operating current is increased, the consumed electric quantity is increased, but the temperature of the temperature adjusting device drops little or no longer, the energy-saving controller automatically sends out a control signal at the moment, the compressor stops operating, the electric energy consumption in the period is saved, and the compressor system is effectively cooled.

The energy-saving controller is set to only control the operation of the room compressor, and when the compressor stops operating, the air feeder (water pump) still continues to work, so that residual cold in the temperature adjusting equipment can be fully utilized, and a better energy-saving effect is achieved.

According to the seasons and the indoor and outdoor temperature difference of each time period, the related parameters of the schedule of the energy-saving controller are automatically set, and the compressor is controlled to continuously run for a certain time and then stopped to run for a certain time, so that the circulation is realized. The temperature control in the target area is operated at a set temperature of +1 degree or at a temperature management upper limit of-0.5 degree. Meanwhile, the energy-saving controller reduces the starting and stopping times of the compressor and can effectively prolong the service life of the temperature adjusting equipment.

The energy-saving controller has a temperature management function, and when the temperature in the target area exceeds the set temperature, the output cannot be controlled even if the control output condition of the energy-saving controller is met, so that the temperature of the target area is ensured to be operated in the management specification.

Example 3.

The other features of the energy saving control of the temperature adjusting device of the present invention are the same as those of

embodiment

1 or 2, and the following features are also provided: the system is assembled on the constant-frequency temperature regulating equipment for use, and the operation and the stop of the compressor, the continuous operation time length and the stop time length are controlled according to the schedule of the detailed management control unit; the main control unit is also provided with a compressor protection function for preventing the compressor from being damaged and impacting an electric network due to frequent starting or stopping of the compressor.

The energy-saving controller of the temperature adjusting equipment has the characteristics of convenience in installation, wide application range and good energy-saving effect.

Example 4.

embodiment

1 or 2, and the following features are also provided: the energy-saving controller is assembled on the variable-frequency temperature adjusting device for use, an energy limiting port of the variable-frequency temperature adjusting device is connected with a relay of the energy-saving controller, and after the variable-frequency temperature adjusting device continuously operates for a certain time above a set operating current value, the operating current is reduced to about 0-60% of the rated operating current and the variable-frequency temperature adjusting device continuously operates for a certain time; the continuous running time and the stopping time are controlled according to the schedule of the detailed management control unit; the main control unit is also provided with a compressor protection function for preventing the compressor from being damaged and impacting an electric network due to frequent starting or stopping of the compressor. The function of saving consumed electric energy is achieved by controlling the running current of the variable-frequency temperature adjusting equipment.

When the energy-saving controller operates under the condition of energy limitation, the compressor is reduced at a low speed, the fan (water pump) still continues to work, and the indoor temperature cannot rise quickly and exceed the management specification.

According to the seasons and the indoor and outdoor temperature difference of each time period, the related parameters of schedule management of the energy-saving controller are set by self, the temperature regulating equipment is controlled to continuously operate for a certain time above the set current value and then to operate for a certain time below the set operation current value, and therefore circulation is achieved. The temperature control in the target area is operated at a set temperature of +1 degree or at a temperature management upper limit of-0.5 degree.

In conclusion, the energy-saving controller of the temperature adjusting equipment has the characteristics of convenience in installation, wide application range and good energy-saving effect.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An energy-saving controller of temperature adjusting equipment is characterized in that: the temperature control system is provided with a main control unit, a signal acquisition unit, a relay control execution unit, a temperature probe, a temperature acquisition unit and a switch power supply, wherein the input end of the signal acquisition unit is used for respectively acquiring a working voltage signal and a working current signal of a controlled device, the working voltage signal output end and the working current signal output end of the signal acquisition unit are respectively connected with the main control unit, the main control unit outputs a control signal to the relay control execution unit, the relay control execution unit outputs a control signal for controlling the working condition of the controlled device, the temperature probe is arranged in an area space regulated and controlled by the controlled device, the input end of the temperature acquisition unit is used for acquiring the temperature signal of the temperature probe, and the temperature signal output end of the temperature acquisition unit is connected with the main control unit;

the signal acquisition unit inputs the acquired voltage and current signals to the main control unit, and the main control unit controls the relay to control the execution unit to execute the action of the relay;

the USB-serial port conversion unit, the key input unit, the LED unit, the liquid crystal display unit and the storage unit are respectively connected with the main control unit;

the switching power supply is provided with a thermistor RV1, a piezoresistor RV2, a capacitor C1, a filter inductor EMI, a rectifier bridge U1, a capacitor C2, a capacitor C3, a chip U2, a diode DZ1, a diode D1, a transformer T1, a diode D1, a capacitor C1, a chip U1, a resistor R1, a diode LED1, a resistor R1, a triode U1, a capacitor CX, an OP1, a capacitor C1 and a chip U1, the model number of the rectifier bridge U1 is MB 366, the model number of the chip U1 is TNT 111Y, the model number of the transformer T1 is a model number of the chip 1, the model number of the chip 1 is 1, the model number of the model No. 1, the model No. 1 is a chip 1, the model No. 1 is No. 1, the model No. 1 is No. 1, the model of the model No. 1 is No. 1, the model No. 1 is No. 1, the model of the model No. 1, the model of the model No. 1 is No. 1, the model 1 is No. 1, the model No. 1 is No. 3 is No. 1, the model No. 1 is No. 1, the model 1 is No. 1, the model No. 3 is No. 1, the model of the model 1 is No. 3 is No. of the model No. 3 is No. 3 of the model 1, the model of the model 1, the model 1 of the model 1, the model No. 1 is No. 3 is No. 1, the model 1 is No. 1, the model of the model No. 36;

one end of a resistor R62 is connected with VDD, the other end of the resistor R62 is connected with a pin 2 of a chip U62, a pin 3 of the chip U62, one end of the resistor R62 and one end of a resistor R62, the other end of the resistor R62 is connected with one end of the resistor R62 and a pin 1 of the chip U12 62, the other end of the resistor R62 is connected with a pin 2 of the chip U12 62 and an emitter of a triode Q62, a pin 4 of the chip U12 62 and one end of a capacitor C62 are connected with VDD, the other end of the capacitor C62 and a pin 5 of the chip U12 62 are grounded, a pin 3 of the chip U12 62 is connected with one end of the resistor R62, the other end of the resistor R62 is connected with a base of the triode Q62, a collector of the triode Q62 is connected with one end of the resistor R62, the other end of the resistor R62 is connected with a pin 2 of the chip U12, the other end of the resistor R62 and the other end of the capacitor R62 are connected with one end of the pin 3 of the resistor R62, the other end of the resistor R62 and the other end of the capacitor R62, the other end of the resistor R62 are connected with the resistor R62, the other end of the resistor R62 and the capacitor C62, the resistor R62 are connected with the pin of the other end of the resistor R62, the capacitor C62, the resistor R62, the other end of the resistor R62 are connected with the pin of the capacitor C62, the resistor R62 and the other end of the capacitor C62 are connected with the transistor C62, the other end of the resistor R62, the transistor C62 are connected with the transistor C62, the resistor R62, the transistor C62 and the transistor C62, the other end of the transistor C62 are connected with the transistor C62, the transistor C62 and the transistor C62 are connected with the transistor C62, the other end of the transistor C62, the other end of the transistor C62, the transistor C36, One end of the capacitor C53 is connected with the pin 8 of the chip U7, and the pin 1 of the chip U13, the other end of the resistor R65, the other end of the resistor R68 and the other end of the capacitor C53 are all grounded;

the communication unit is provided with a resistor R7, a resistor R8, an optocoupler 0P2, an optocoupler OP3, a resistor R9, a resistor R10, a triode Q3, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a chip U8, a capacitor C45 and a resistor TVS 1;

the type of the chip U8 is 6LB184, the type of the triode Q3 is 9012, the type of the optocoupler OP2 is EL816, and the type of the optocoupler OP3 is EL 816;

the USB-serial port conversion unit is provided with a diode D10, a resistor R21, a triode Q1, a triode Q2, a resistor R22, a resistor R23, a resistor R24, a capacitor C29, a capacitor C30, a chip U10 with the model of CH340G, a capacitor C33, a capacitor C31, a capacitor C32, a crystal oscillator X4 and a USB interface CON 5;

the 1 pin of the chip LCD1 is grounded, the 2 pin of the chip LCD1 and the 15 pin of the chip LCD1 are both connected to VCC, the 3 pin of the chip LCD1 is connected to the 1 pin of the varistor RT1 and the 2 pin of the varistor RT1, the 3 pin of the varistor RT1 is grounded, the 4 pin of the chip LCD1 is connected to the 26 pin of the chip U1, the 5 pin of the chip LCD1 is connected to the 25 pin of the chip U1, the 6 pin of the chip LCD1 is connected to the 24 pin of the chip U1, the 7 pin of the chip LCD1 is connected to the 14 pin of the chip U1, the 8 pin of the chip LCD1 is connected to the 15 pin of the chip U1, the 9 pin of the chip LCD1 is connected to the 16 pin of the chip U1, the 10 pin of the chip LCD1 is connected to the 17 pin of the chip U1, the 11 pin of the chip LCD1 is connected to the 20 pin of the chip U1, the 12 pin of the chip LCD1 is connected to the pin of the chip U1, the other pin of the chip LCD1 is connected to the chip R1, the chip R1 is connected to the chip R1 of the chip R1, the chip R1 of the chip R1 is connected to the chip R1 of the chip U1, the chip R1 is connected to the chip R1 of the chip U1, the chip R14, the emitter of the transistor Q5 is grounded, and the collector of the transistor Q5 is connected with the 16 pins of the chip LCD 1;

a battery power supply circuit is also arranged, and the battery power supply circuit is provided with a capacitor C44, a battery BT1, a diode Q121 and a diode Q122;

one end of a capacitor C44 and one end of a diode Q121 are connected with pin 1 of the chip U7, the other end of the diode Q121 and one end of a diode Q122 are connected with the anode of the battery BT1, the other end of the diode Q122 is connected with VDD, and the other end of the capacitor C44 and the cathode of the battery BT1 are both grounded;

a detailed management control unit is arranged in the main control unit, and the detailed management control unit is provided with M schedules for controlling the operation of the temperature regulating equipment according to different months of a year and different time periods of a day; the main control unit controls the working state of the relay according to a schedule according to the time point of the temperature adjusting equipment;

the control procedure comprises the following steps,

2. The energy saving controller of a temperature adjusting apparatus according to claim 1, characterized in that: the main control unit outputs a control signal to the relay control execution unit according to the condition that the temperature control operation in the controlled equipment area is higher than the set temperature by 1 ℃ or lower than the upper limit of temperature management by 0.5 ℃.

3. The energy saving controller of a temperature adjusting apparatus according to claim 2, characterized in that: and the storage unit collects and records the operating conditions of the controlled equipment according to the frequency of 0.1 second/time to 2 minutes/time.

4. The energy saving controller of a temperature adjusting apparatus according to claim 3, characterized in that: the upper computer reads the running state parameters of the digital temperature regulating equipment on line, summarizes the electricity consumption and the electricity saving quantity of the controlled temperature regulating equipment and automatically generates an energy-saving daily report, a monthly report and an annual report.

5. The energy saving controller of a temperature adjusting apparatus according to claim 4, characterized in that: the system is assembled on the constant-frequency temperature regulating equipment for use, and the operation and the stop of the compressor, the continuous operation time length and the stop time length are controlled according to the schedule of the detailed management control unit; the main control unit is also provided with a compressor protection function for preventing the compressor from being damaged and impacting an electric network due to frequent starting or stopping of the compressor.

6. The energy saving controller of a temperature adjusting apparatus according to claim 4, characterized in that: the energy-saving control device is assembled on a variable-frequency temperature adjusting device for use, an energy limiting port of the variable-frequency temperature adjusting device is connected with a relay of an energy-saving controller, and after the variable-frequency temperature adjusting device continuously operates for a certain time above a set operating current value, the operating current is reduced to 0-60% of a rated operating current and the variable-frequency temperature adjusting device operates for a certain time; the main control unit is also provided with a compressor protection function for preventing the compressor from being damaged and impacting an electric network due to frequent starting or stopping of the compressor.

7. The energy saving controller of a temperature adjusting apparatus according to claim 4, characterized in that: the actual temperature is controlled to be above the temperature management intermediate value and below the temperature management upper limit value.