CN109742730A

CN109742730A - The cooling three-phase motor monitor controller of for transformer and method

Info

Publication number: CN109742730A
Application number: CN201811513040.0A
Authority: CN
Inventors: 尹义震; 张国栋; 聂兆明; 牟晓琳; 周雷; 黄晶; 何树龙; 韩明
Original assignee: SHANDONG WUYUE ELECTRICAL APPLIANCES CO Ltd
Current assignee: SHANDONG WUYUE ELECTRICAL APPLIANCES CO Ltd
Priority date: 2018-12-11
Filing date: 2018-12-11
Publication date: 2019-05-10

Abstract

A kind of three-phase motor monitor controller and method that for transformer is cooling, it include the first sensor group for acquiring the electric signal parameter of power supply line, for acquiring the second sensor group of transformer state parameter, it is arranged on the power line and is used for the operating mechanism (6) of power supply line on-off, be set as respectively with operating mechanism (6), first sensor group connects with second sensor group and to the intelligent controlling device of operating mechanism (6) input control power supply line on-off signal, pass through first sensor group, the signal of the power supply line of pickup, pass through second sensor group, pick up transformer state signal, it is calculated and is analyzed by intelligent controlling device, to operating mechanism (6) input control signal, realize the on-off to three-phase motor and power supply line, no longer pass through thermal overload relay, the protection locations such as phase failure protector and breaker It realizes the protection to three-phase motor, therefore meets the service requirement of intelligent transformer.

Description

The cooling three-phase motor monitor controller of for transformer and method

Technical field

The present invention relates to a kind of three-phase motor monitor controller and method, the three of especially a kind of for transformer cooling Phase motor monitor controller and method.

Background technique

The three-phase motor of transformer Cooling drives transformer cooler to work, and satisfaction is wanted to what transformer cooled down It asks, guarantees the operational safety of transformer, the three-phase motor monitor controller and method for being accordingly used in transformer Cooling are a kind of Important transformer part, in existing for transformer cooling three-phase motor monitor controller and method, transformer Cooling device control cabinet is substantially the protection of three-phase motor and is protected by thermal overload relay, phase failure protector and breaker etc. Shield unit realizes, that there are sensitivity is low for this protection system, the response time is long, the technological deficiency that can not automatically reset, no It is able to satisfy the service requirement of intelligent transformer.

Based on applicant's technical problem existing in the Disclosure of invention on July 15th, 2018 and background technique, technology Feature and technical effect make application technical solution of the invention.

Summary of the invention

Object of the invention is a kind of three-phase motor monitor controller that for transformer is cooling,

Object of the invention is a kind of three-phase motor monitoring and control method that for transformer is cooling.

In order to overcome the technical drawbacks described above, the three-phase motor prison cooling the object of the present invention is to provide a kind of for transformer Observing and controlling device and method, therefore meet the service requirement of intelligent transformer.

In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of cooling three-phase motor prison of for transformer Control device is surveyed, includes first sensor group for acquiring the electric signal parameter of power supply line, for acquiring transformer state The second sensor group of parameter, setting on the power line and for the operating mechanism of power supply line on-off, be set as respectively with behaviour Make mechanism, first sensor group is connected with second sensor group and to the intelligence of operating mechanism input control power supply line on-off signal It can control device.

Due to devising operating mechanism, first sensor group, second sensor group and intelligent controlling device, passed by first Sensor group, the signal of the power supply line of pickup are picked up transformer state signal, are filled by intelligent control by second sensor group Calculating analysis is set, to operating mechanism input control signal, realizes to the on-off of three-phase motor and power supply line, no longer passes through thermal overload The protection locations such as relay, phase failure protector and breaker realize the protection to three-phase motor, therefore meet intelligent transformer Service requirement.

The present invention devises, according to by transformer state signal be all the way in a manner of basis signal operating mechanism, first Sensor group, second sensor group and intelligent controlling device are connected with each other.

The present invention devises, and first sensor group and second are passed in such a way that concatenated two paths of signals is basic signal Sensor group is connect with operating mechanism and intelligent controlling device.

The present invention devises, and first sensor group is set as including voltage transformer and current transformer.

The present invention devises, and second sensor group is set as including temperature sensor and load sensor.

The present invention devises, and intelligent controlling device is set as including Acquisition Processor and data processor.

The present invention devises, and also includes the first accessories apparatus and the first accessories apparatus is set as and intelligent controlling device Connection, the first accessories apparatus are set as display.

The present invention devises, and voltage transformer, current transformer and operating mechanism are separately positioned on the power supply of three-phase motor On line and temperature sensor and load sensor are respectively set on the transformer, and output port, the electric current of voltage transformer are mutual The output port of the output port of sensor, the output port of temperature sensor and load sensor is respectively set to and acquisition process The input port of device connects and the output port of Acquisition Processor is set as input port and display with data processor Input port connection, the output port of data processor is set as connecting with the control port of operating mechanism.

The present invention devises, and the input port of voltage transformer and the input port of current transformer are respectively set to and three The power supply line of phase motor connects, the model of voltage transformer and the model of current transformer be respectively set to ZMPT101B and HWCT-10A/5MA。

The present invention devises, and temperature sensor is arranged in the transformer oil of transformer and the model of temperature sensor point BWY-804 is not set as it.

The present invention devises, and load sensor is arranged in the current transformer of transformer and the model of load sensor It is respectively set to DL-13.

The present invention devises, and Acquisition Processor is set as having power state information acquisition, the medium of analog-to-digital conversion and change The model of depressor running state recognition, the medium of judgement and Acquisition Processor is set as CS5460A.

The present invention devises, and Acquisition Processor is set as including operation blocks U2, diode group D1, resistance R10, resistance R11, capacitor C5, resistance R12, resistance R13, capacitor C6, operation blocks U3, oscillator coil Y2, resistance R14, resistance R17, capacitor C7, resistance R15, resistance R18, diode group D2, resistance R16, operation blocks U4, resistance R19, capacitor C8, capacitor C9,

The interface 1 of operation blocks U2 is set as I1 and the interface 2 of operation blocks U2 is set as I2, and the interface 3 of operation blocks U2 is set as The interface 4 of Q1 and operation blocks U2 are set as Q2,

The interface 3 of operation blocks U3 is set as VD+ and the interface 14 of operation blocks U3 is set as VA+, and the interface 4 of operation blocks U3 is arranged It is set as AGND for the interface 13 of DGND and operation blocks U3, the interface 17 of operation blocks U3 is set as PFMDN and operation blocks U3 Interface 11 be set as VREFDUT, the interface 9 of operation blocks U3 is set as VIN+ and the interface 10 of operation blocks U3 is set as The interface 16 of VIN-, operation blocks U3 are set as IIN+ and the interface 15 of operation blocks U3 is set as IIN-, the interface 8 of operation blocks U3 The interface 24 for being set as MODE and operation blocks U3 is set as XIN, and the interface 1 of operation blocks U3 is set as XDUT and operation blocks U3 Interface 2 be set as CPUCLK, the interface 19 of operation blocks U3 is set as RESET and the interface 21 of operation blocks U3 is set as E1, The interface 22 of operation blocks U3 is set as E2 and the interface 18 of operation blocks U3 is set as E3, and the interface 7 of operation blocks U3 is set as CS And the interface 23 of operation blocks U3 is set as SD1, and the interface 6 of operation blocks U3 is set as SDO and the interface 5 of operation blocks U3 is arranged Interface 20 for SCLK, operation blocks U3 is set as INT,

The interface 1 of operation blocks U2 is set as connecting with U+ and the interface 2 of operation blocks U2 is set as connecting with U-, operation blocks U2's Interface 3 is set as connecting with the interface 3 of diode group D1 and the interface of operation blocks U2, and 4 are set as connecing with diode group D1 Mouthful 1 and interface 2 connect, the interface 3 of diode group D1 is set as connecting with the interface 1 of resistance R10 and diode group D1 connects Mouth 1 and interface 2 are set as connecting with the interface 1 of resistance R11, and the interface 2 of resistance R10 is respectively set to the interface 1 with capacitor C5 The interface 2 of the connection of interface 1 and resistance R11 with resistance R13 is respectively set to and the interface 2 of capacitor C5 and connecing for resistance R12 Mouth 1 connects, and the interface 2 of resistance R13 is set as connecting with the interface 9 of operation blocks U3 and the interface 2 of resistance R12 is set as and transports The interface 10 for calculating block U3 connects, and the interface 4 of operation blocks U3 is set as connecting with the interface 13 of operation blocks U3, the interface of operation blocks U3 11 and interface 12 is set as connecting with the interface 2 of capacitor C6 and the interface 1 of capacitor C6 is set as being connected to ground, operation blocks U3's Interface 24 is set as connecting with the interface 2 of oscillator coil Y2 and the interface 1 of oscillator coil Y2 is set as connecing with operation blocks U3 Mouthful 1 connects, the interface 7 of operation blocks U3 is set as connect with the interface 1 of resistance R14 and the interface 2 of resistance R14 is set as and VCC connection, the interface 16 of operation blocks U3 are respectively set to interface 1, the interface 2 of capacitor C7 and connecing for resistance R15 with resistance R17 The interface 15 of 2 connection of mouth and operation blocks U3 are respectively set to interface 1 and resistance R18 with the interface 2 of resistance R17, capacitor C7 Interface 2 connect, the interface 1 of resistance R15 is respectively set to and the interface 3 of diode group D2, the interface 2 of resistance R16, operation blocks The interface 2 of U4 connects and the interface 1 of resistance R18 is respectively set to the interface with the interface 1 of diode group D2, diode group D2 2, the connection of interface 1 of the interface 1 of resistance R16, operation blocks U4,

The interface 1 of resistance R19 is respectively set to connect with the interface 2 of VCC, capacitor C8 and the interface 2 of resistance R19 is respectively set To connect with the interface 2 of AVCC, capacitor C9, the interface 1 of capacitor C8 and the interface 1 of capacitor C9 are respectively set to be connected to ground,

The model of operation blocks U2 is set as U-ZMPT101B and the model of operation blocks U3 is set as U-CS5460A/S0P24, fortune The model for calculating block U4 is set as HWC-5A/5MA.

The present invention devises, and data processor is set as that there is numerical value to compare and the medium of analytic operation and model setting For STM32F103RBT6.

The present invention devises, and data processor is set as including capacitor C11, capacitor C13, oscillator coil Y12, operation blocks U14, resistance R31, capacitor C18, capacitor C19, capacitor C20, capacitor C21, capacitor C22, operation blocks CN2, resistance R29, capacitor C12, button S2, resistance R30, button S1,

The interface 1 of operation blocks U14 is set as VBAT and the interface 2 of operation blocks U14 is set as PC13/ANT1, operation blocks U14's Interface 3 is set as PC14/DSC32 and the interface 2 of operation blocks U14 is set as PC15/DSC32, and the interface 5 of operation blocks U14 is set The interface 6 for being set to PD0/DSCIN and operation blocks U14 is set as PD1/DSCOUT, and the interface 7 of operation blocks U14 is set as NRST And the interface 8 of operation blocks U14 is set as PC0/ADC10, and the interface 9 of operation blocks U14 is set as PC1/ADC11 and operation blocks The interface 10 of U14 is set as PC2/ADC12, and the interface 11 of operation blocks U14 is set as connecing for PC1/ADC13 and operation blocks U14 Mouth 12 is set as VSSA, and the interface 13 of operation blocks U14 is set as VDDA and the interface 14 of operation blocks U14 is set as PAO/ WKUP/ADCO/TIM2_-CH1_-The interface 15 of ETR, operation blocks U14 are set as PA1/ADC1/TIM2_-CH2 and operation blocks U14's Interface 16 is set as PA2/U2_-TX/ADC2/TIM2_-The interface 17 of CH3, operation blocks U14 are set as PA3/U2_-RX/ADC3/ TIM2_-The interface 18 of CH4 and operation blocks U14 are set as VSS, and the interface 19 of operation blocks U14 is set as VDD and operation blocks The interface 20 of U14 is set as PA4/SPI1_-The interface 21 of NSS/ADC4, operation blocks U14 are set as PA5/SPI1_-SCK/ADC5 is simultaneously And the interface 22 of operation blocks U14 is set as PA6/SPI1_-MISO/ADC6/TIM3_-The interface 23 of CH1, operation blocks U14 are set as PA7/SPI1_-MDSI/ADC7/TIM3_-The interface 24 of CH2 and operation blocks U14 are set as PC4/ADC14, and operation blocks U14's connects Mouth 25 is set as PC5/ADC15 and the interface 26 of operation blocks U14 is set as PBO/ADC8/TIM3_-CH3, operation blocks U14's connects Mouth 27 is set as PB1/ADC9/TIM3-CH_-The interface 28 of 4 and operation blocks U14 is set as PB2/BDDT1, operation blocks U14's Interface 29 is set as PB10/I2C2_-SCL/U3_-The interface 30 of TX and operation blocks U14 are set as PB11/I2C2_-SDA/U3_-RX, The interface 31 of operation blocks U14 is set as VSS and the interface 32 of operation blocks U14 is set as VDD, and the interface 33 of operation blocks U14 is set It is set to PB12/SPI2_-NSS/I2C2_-SMBAI/TIMI_-The interface 34 of BKN and operation blocks U14 are set as PB13/SPI2_-SCK/ TIM1_-The interface 35 of CH1M, operation blocks U14 are set as PB14/SPI2_-MISD/TIM1_-The interface 36 of CH2N and operation blocks U14 It is set as PB15/SPI2_-MDSI/TIM1_-The interface 37 of CH3N, operation blocks U14 are set as the interface 38 of PC6 and operation blocks U14 It is set as PC7, the interface 39 of operation blocks U14 is set as PC8 and the interface 40 of operation blocks U14 is set as PC9, operation blocks U14 Interface 41 be set as PA8/TIM1_-The interface 42 of CH1/MCO and operation blocks U14 are set as PA9/U1-TX/TIM1_-CH2, fortune The interface 43 for calculating block U14 is set as PA10/U1_-RX/TIM1_-The interface 44 of CH3 and operation blocks U14 are set as PA11/CAN_- RX/USBDM/TIM1_-The interface 45 of CH4, operation blocks U14 are set as PA12/CAN_-TX/USBDP/TIM1_-ETR and operation blocks The interface 46 of U14 is set as PA13/JTMS/SWDID, and the interface 47 of operation blocks U14 is set as connecing for VSS and operation blocks U14 Mouth 48 is set as VDD, and the interface 49 of operation blocks U14 is set as PA14/JTCK/SWCLK and the interface 50 of operation blocks U14 is arranged For PA15/JTDI, the interface 51 of operation blocks U14 is set as PC10 and the interface 52 of operation blocks U14 is set as PC11, operation blocks The interface 53 of U14 is set as PC12 and the interface 54 of operation blocks U14 is set as PD2/TIM3_-ETR, the interface of operation blocks U14 55 are set as PB3/JTDO/TRACESWD and the interface 56 of operation blocks U14 is set as PB4/JWTRST, and operation blocks U14's connects Mouth 57 is set as PB5/I2C1_-The interface 58 of SMBAI and operation blocks U14 are set as PB6/I2C1_-SCL/TIM4_-CH1, operation The interface 59 of block U14 is set as PB7/I2C1_-SDA/TIM4_-The interface 60 of CH2 and operation blocks U14 are set as BDDTO, operation The interface 61 of block U14 is set as PB8/TIM4_-The interface 62 of CH3 and operation blocks U14 are set as PB9/TIM4_-CH4, operation blocks The interface 63 of U14 is set as VSS and the interface 64 of operation blocks U14 is set as VDD,

The interface 1 of capacitor C11 and the interface 1 of capacitor C13 are respectively set to be connected to ground and the interface 2 of capacitor C11 is set respectively It is set to and is connect with the interface 5 of the interface 1 of oscillator coil Y12 and operation blocks U14, the interface 2 of capacitor C13 is respectively set to and vibrates The interface 2 of coil Y12 and the interface 6 of operation blocks U14 connect, and the interface 28 of operation blocks U14 is set as connecting by resistance R31 and ground It connects,

The interface 1 of capacitor C18, the interface 1 of capacitor C19, the interface 1 of capacitor C20, the interface 1 of capacitor C21, capacitor C22 interface 1 be respectively set to connect with VCC3.3 and the interface 2 of capacitor C18, the interface 2 of capacitor C19, capacitor C20 interface 2, capacitor The interface 2 of C21, the interface 2 of capacitor C22 are respectively set to be connected to ground,

The interface 1 of operation blocks CN2 is set as connecting with VDD3.3 and the interface 2 of operation blocks CN2 is set as being connected to ground, operation The interface 3 of block CN2 is set as and PA13/JTMS_-The interface 4 of SWDIO connection and operation blocks CN2 are set as and PA14/JTCK_- The interface 5 of SWCLK connection, operation blocks CN2 is set as connecting with NRST,

The interface 2 of resistance R29 is set as connecting with VDD3.3 and the interface 1 of resistance R29 is respectively set to connect with capacitor C12 The connection of interface 2 of mouth 2, button S2, the interface 1 of capacitor C12 and the interface 1 of button S2 are respectively set to be connected to ground,

The interface 2 of button S1 is set as connecting with VDD3.3 and the interface 1 of button S1 is set as connecting with the interface 2 of resistance R30 It connecing, the interface 1 of resistance R30 is set as being connected to ground,

The model of operation blocks U14 is set as STM32F10RBT6 and the model of operation blocks CN2 is set as KF2510-5P.

The present invention devises, and operating mechanism is set as the medium of three-phase motor on/off and operating mechanism Model is respectively set to NT90RNAE12CB.

The present invention devises, operating mechanism be set as include resistance R86, light-operated switch U15, resistance R87, resistance R88, Diode D16, triode Q17 and oscillation switch JD5,

The interface 1 of diode D16 is set as anode and the interface 2 of diode D16 is set as cathode, the interface 1 of triode Q17 The interface 2 for being set as base stage and triode Q17 is set as collector, and the interface 3 of triode Q17 is set as emitter,

The interface 1 of resistance R86 is set as connecting with PF13/EOUT10 and the interface 2 of resistance R86 is set as and light-operated switch The interface 1 of U15 connects, the interface 2 of light-operated switch U15 is set as being connected to ground and the interface 3 of light-operated switch U15 be set as with VCC12 connection, the interface 4 of light-operated switch U15 is set as connecting with the interface 1 of resistance R87 and the interface 2 of resistance R87 is distinguished It is set as connecting with the interface 1 of the interface 1 of triode Q17, resistance R88, the interface 3 of triode Q17 and the interface 2 of resistance R88 It is respectively set to connect with IGND1 and the interface 2 of triode Q17 is respectively set to open with the interface 1 of diode D16, oscillation The interface 1 for closing JD5 connects, and the interface 2 of diode D16 and the interface 2 of oscillation switch JD5 are respectively set to connect with VCC12,

The model of light-operated switch U15 is set as EL357NC and the model of oscillation switch JD5 is set as NT90RNAE12CB.

The present invention devises, temperature sensor and load sensor and voltage transformer, current transformer, operating mechanism, Acquisition Processor is set as connecting according in a manner of basis signal with data processor.

The present invention devises, and a kind of three-phase motor monitoring and control method that for transformer is cooling the steps include: with power supply The electric signal of line is input signal all the way, using transformer state signal as another way input signal, when power supply line electric signal with Transformer state signal is in normal condition simultaneously, just meets the condition that three-phase motor and power supply line are connected.

The present invention devises, and the steps include: that the power line voltage signal of voltage transformer acquisition, current transformer acquire The load signal of power line voltage signal, temperature sensor acquisition transformer oil temperature signal and load sensor acquisition transformer It is separately input in Acquisition Processor, Acquisition Processor carries out conversion process to the signal of acquisition and forms digital signal, at acquisition The digital signal of reason device is shown that the digital signal of Acquisition Processor is transported in data processor, in number by display It is formed according to medium, temperature signal and load signal analytical calculation medium is compared by the voltage and current set in processor Output signal,

When the power line voltage signal of voltage transformer acquisition and the power line voltage signal of current transformer acquisition are in normal State makes power supply line be in normal power supply state, then acquires transformer oil temperature signal and load sensor by temperature sensor The load signal of acquisition transformer is in normal condition, and the output signal of data processor is normal signal, start-up operation mechanism Work connects three-phase motor and power supply line,

After three-phase motor and power supply line are connected, voltage transformer and current transformer acquire the voltage and current letter of power supply line in real time Number, when the power line voltage signal of voltage transformer acquisition and the power lead current signal of current transformer acquisition are in abnormal shape When state, the output signal of data processor is abnormal signal, and the work of start-up operation mechanism disconnects three-phase motor and power supply line； When temperature sensor acquire transformer oil temperature signal and load sensor acquisition transformer load signal be in abnormality, The output signal of data processor is abnormal signal, and the work of start-up operation mechanism disconnects three-phase motor and power supply line.

The present invention devises, and turns to the power line voltage and current signal of voltage transformer and current transformer acquisition Processing is changed, digital signal is converted to and exports to data processor and display, temperature sensor and load sensor are acquired Transformer oil temperature signal and transformer load signal carry out conversion process, and output signal to data processor,

By the power parameter digital signal of Acquisition Processor output compared with the numerical value that database is set carries out analysis, comparison result Enabling signal as operating mechanism.

The technical effects of the invention are that: increase digital monitoring and shows, it can real-time display motor power voltage and electric current letter It ceases (intuitively showing voltage, electric current, maintain easily), increases intelligent control module, can be believed by acquisition temperature of oil in transformer or load Number, intelligence is realized to the investment of motor power or excision (integrated level is high, and control is reliable), increases monitoring and protecting module, by right The acquisition of motor power voltage and current information compares (being compared with the voltage and current that database has been set), can be timely Judge fault message (response time is short), motor power (high sensitivity) is then cut off by control module, to effectively protect Shield motor is not burned, and has fault alarm and Communication Monitoring function, is providing the basis of failure alarm signal (passive bus) On, it reserves RS485 communication interface (Modbus agreement), when conditions permit, this communication interface reality can be passed through from the background When monitoring motor power voltage and current information, can intuitively show motor power voltage and current value, facilitate field maintenance person Maintenance；Failure response time greatly shortens, to ensure that the safe and reliable operation of motor；Reserved RS485 communication interface, it is convenient The operating condition of monitoring motor is implemented on backstage, so as to find the problem at the first time, check failure.

In the technical scheme, with transformer state signal be all the way the operating mechanism of basis signal, first sensor group, Second sensor group and intelligent controlling device are important technical characteristic, in the cooling three-phase motor monitoring control dress of for transformer It sets in the technical field with method, there is novelty, creativeness and practicability, term in the technical scheme is all that can use Patent document in the art explains and understands.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the schematic diagram of the cooling three-phase motor monitor controller of for transformer of the invention,

Fig. 2 is the circuit diagram of Acquisition Processor 2,

Fig. 3 is the circuit diagram of data processor 3,

Fig. 4 is the circuit diagram of operating mechanism 6,

Voltage transformer -1, current transformer -5, operating mechanism -6, Acquisition Processor -2, data processor -3, display -4, Temperature sensor -7, load sensor -8.

Resistance R86, light-operated switch U15, resistance R87, resistance R88, diode D16, triode Q17 and oscillation switch JD5

Capacitor C11, capacitor C13, oscillator coil Y12, operation blocks U14, resistance R31, capacitor C18, capacitor C19, capacitor C20, electricity Hold C21, capacitor C22, operation blocks CN2, resistance R29, capacitor C12, button S2, resistance R30, button S1,

Operation blocks U2, diode group D1, resistance R10, resistance R11, capacitor C5, resistance R12, resistance R13, capacitor C6, operation blocks U3, oscillator coil Y2, resistance R14, resistance R17, capacitor C7, resistance R15, resistance R18, diode group D2, resistance R16, operation Block U4, resistance R19, capacitor C8, capacitor C9.

Specific embodiment

According to guidelines for examination, such as " having ", "comprising" and " comprising " term used in the present invention should understand that For the presence or addition for not allotting one or more of the other element or combinations thereof.

In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

A kind of three-phase motor monitor controller that for transformer is cooling, Fig. 1 are one embodiment of the invention, knot It closes attached drawing and illustrates the present embodiment, include voltage transformer 1, current transformer 5, operating mechanism 6, Acquisition Processor 2, number According to processor 3, display 4, temperature sensor 7 and load sensor 8,

Voltage transformer 1, current transformer 5 and operating mechanism 6 are separately positioned on the power supply line of three-phase motor and temperature passes Sensor 7 and load sensor 8 are respectively set on the transformer, the output of the output port, current transformer 5 of voltage transformer 1 The output port of port, the output port of temperature sensor 7 and load sensor 8 is respectively set to defeated with Acquisition Processor 2 The output port of inbound port connection and Acquisition Processor 2 is set as defeated with the input port of data processor 3 and display 4 Inbound port connection, the output port of data processor 3 are set as connecting with the control port of operating mechanism 6.

In the present embodiment, the input port of the input port of voltage transformer 1 and current transformer 5 be respectively set to The power supply line of three-phase motor connects, the model of voltage transformer 1 and the model of current transformer 5 be respectively set to ZMPT101B and HWCT-10A/5MA。

By voltage transformer 1 and current transformer 5, the support tie point to Acquisition Processor 2 is formd, it is mutual by voltage Sensor 1 and current transformer 5, realize the connection with Acquisition Processor 2.

In the present embodiment, temperature sensor 7 is arranged in the transformer oil of transformer and the model of temperature sensor 7 It is respectively set to BWY-804.

By temperature sensor 7, foring is realized the support tie point of Acquisition Processor 2 by temperature sensor 7 With the connection of Acquisition Processor 2.

In the present embodiment, load sensor 8 is arranged in the current transformer of transformer and the type of load sensor 8 Number it is respectively set to DL-13.

By load sensor 8, foring is realized the support tie point of Acquisition Processor 2 by load sensor 8 With the connection of Acquisition Processor 2.

In the present embodiment, Acquisition Processor 2 is set as having power state information acquisition, the medium of analog-to-digital conversion and change The model of depressor running state recognition, the medium of judgement and Acquisition Processor 2 is set as CS5460A.

Acquisition Processor 2 is set as including operation blocks U2, diode group D1, resistance R10, resistance R11, capacitor C5, electricity Hinder R12, resistance R13, capacitor C6, operation blocks U3, oscillator coil Y2, resistance R14, resistance R17, capacitor C7, resistance R15, resistance R18, diode group D2, resistance R16, operation blocks U4, resistance R19, capacitor C8, capacitor C9,

By Acquisition Processor 2, form to voltage transformer 1, current transformer 5, temperature sensor 7 and load sensing The support tie point of device 8 realizes the connection with voltage transformer 1 by Acquisition Processor 2, realizes and current transformer 5 Connection, realizes the connection with temperature sensor 7, realizes the connection with load sensor 8.

In the present embodiment, data processor 3 is set as having that numerical value compares with the medium of analytic operation and model is set STM32F103RBT6 is set to,

Data processor 3 is set as including capacitor C11, capacitor C13, oscillator coil Y12, operation blocks U14, resistance R31, capacitor C18, capacitor C19, capacitor C20, capacitor C21, capacitor C22, operation blocks CN2, resistance R29, capacitor C12, button S2, resistance R30, Button S1,

By data processor 3, the support tie point to Acquisition Processor 2 and operating mechanism 6 is formd, by data processing Device 3 realizes the connection with Acquisition Processor 2, realizes the connection with operating mechanism 6.

In the present embodiment, operating mechanism 6 is set as the medium and operating mechanism 6 of three-phase motor on/off Model be set as NT90RNAE12CB,

Operating mechanism 6 is set as including resistance R86, light-operated switch U15, resistance R87, resistance R88, diode D16, triode Q17 and oscillation switch JD5,

By operating mechanism 6, the support tie point to data processor 3 is formd, by operating mechanism 6, is realized and number According to the connection of processor 3.

In the present embodiment, temperature sensor 7 and load sensor 8 and voltage transformer 1, current transformer 5, operation machine Structure 6, Acquisition Processor 2 are set as connecting according in a manner of basis signal with data processor 3.

Second embodiment of the invention, according to by transformer state signal be all the way in a manner of basis signal operation machine Structure 6, first sensor group, second sensor group and intelligent controlling device are connected with each other.

In the present embodiment, first sensor group and second are passed in such a way that concatenated two paths of signals is basic signal Sensor group is connect with operating mechanism 6 and intelligent controlling device.

In the present embodiment, first sensor group is set as including voltage transformer 1 and current transformer 5.

In the present embodiment, second sensor group is set as including temperature sensor 7 and load sensor 8.

In the present embodiment, intelligent controlling device is set as including Acquisition Processor 2 and data processor 3.

It in the present embodiment, also include the first accessories apparatus and the first accessories apparatus is set as and intelligent controlling device Connection, the first accessories apparatus are set as display 4.

Second embodiment of the invention be based on one embodiment,

Below with reference to embodiment, the present invention is further described, following embodiment is intended to illustrate invention rather than to the present invention Further limit.

A kind of three-phase motor monitoring and control method that for transformer is cooling, the steps include: the electricity that voltage transformer 1 acquires Source line voltage signal, the power line voltage signal of the acquisition of current transformer 5, temperature sensor 7 acquire transformer oil temperature signal With load sensor 8 acquire transformer load signal be separately input in Acquisition Processor 2,2 pairs of Acquisition Processor acquisition Signal carries out conversion process and forms digital signal, and the digital signal of Acquisition Processor 2 is shown by display 4, at acquisition The digital signal of reason device 2 is transported in data processor 3, is compared in data processor 3 by the voltage and current set Output signal is formed compared with medium, temperature signal and load signal analytical calculation medium,

When the power line voltage signal of the power line voltage signal acquired of voltage transformer 1 and the acquisition of current transformer 5 is in just Normal state makes power supply line be in normal power supply state, then acquires transformer oil temperature signal and load sensing by temperature sensor 7 The load signal that device 8 acquires transformer is in normal condition, and the output signal of data processor 3 is normal signal, start-up operation Mechanism 6 works, and connects three-phase motor and power supply line,

After three-phase motor and power supply line are connected, voltage transformer and current transformer acquire the voltage and current letter of power supply line in real time Number, when the power lead current signal of the power line voltage signal acquired of voltage transformer 1 and the acquisition of current transformer 5 is in abnormal When state, the output signal of data processor 3 is abnormal signal, and start-up operation mechanism 6 works, and keeps three-phase motor and power supply line disconnected It opens；When the load signal that temperature sensor 7 acquires transformer oil temperature signal and the acquisition transformer of load sensor 8 is in abnormal State, the output signal of data processor 3 are abnormal signal, and start-up operation mechanism 6 works, and keep three-phase motor and power supply line disconnected It opens.

2 working principle of Acquisition Processor: the power line voltage and electric current that voltage transformer 1 and current transformer 5 are acquired Signal carries out conversion process, is converted to digital signal and exports to data processor 3 and display 4；To temperature sensor 7 and load The transformer oil temperature signal and transformer load signal that sensor 8 acquires carry out conversion process, and output signal at data Manage device 3.

3 working principle of data processor: the power parameter digital signal of Acquisition Processor output and database are set Numerical value carries out analysis comparison, enabling signal of the comparison result as operating mechanism 6.

When being verified to the present invention, for non-self cooled transformer, when normal operation, when transformer is lower i.e. in oil temperature Critical value generally sets 45 DEG C~55 DEG C) or underrun (when critical value is generally set in 0.7I-0.8I, transformer use The natural type of cooling radiates；When oil temperature or load, which are higher than critical value, to be run, need to start blower at this time and carry out cooling and dissipate Heat.Carry out control blower by temperature and load signal, can the guarantee transformer safety of maximum economization operate normally, transformation What the service life of device was mainly determined by insulation ag(e)ing degree, and insulation ag(e)ing is mainly as caused by temperature change.According to change Then, i.e., when surmounting design temperature, temperature is every to increase 6 DEG C to six metric of depressor insulation ag(e)ing, and the service life of transformer is just Half is reduced, when transformer is more than that certain load is run, internal temperature can be increased sharply, therefore, in order to ensure that the peace of transformer Row for the national games, the Primary Reference signal that oil temperature or load signal are started as blower.

The present invention has the following characteristics:

1, it due to devising operating mechanism 6, first sensor group, second sensor group and intelligent controlling device, is passed by first Sensor group, the signal of the power supply line of pickup are picked up transformer state signal, are filled by intelligent control by second sensor group Calculating analysis is set, to 6 input control signal of operating mechanism, realizes to the on-off of three-phase motor and power supply line, no longer passes through hot mistake The protection locations such as relay, phase failure protector and breaker are carried to realize the protection to three-phase motor, therefore meet intelligent transformation The service requirement of device.

2, due to devising voltage transformer 1 and current transformer 5, the picking up signal of power supply line is realized.

3, due to devising temperature sensor 7 and load sensor 8, the picking up signal of transformer state is realized.

4, due to devising Acquisition Processor 2 and data processor 3, the calculating analysis processing to signal is realized.

5, due to devising display 4, the number display of straight official is realized.

6, due to devising technical characteristic of the invention, in the effect of the independent and mutual set of technical characteristic, By experiments have shown that, performance indexes of the invention be existing performance indexes be at least 1.7 times, pass through assessment tool There is good market value.

There are also others be the operating mechanism 6 of basis signal, first sensor group, all the way with transformer state signal The technical characteristic that two sensor groups are connected with intelligent controlling device is all one of the embodiment of the present invention, and implementation described above Each technical characteristic of example can be combined arbitrarily, to meet Patent Law, patent regulation and the requirement of guidelines for examination, no The all possible combined embodiment of each technical characteristic in above-described embodiment is all described again.

Above-described embodiment is the cooling three-phase motor monitor controller of for transformer provided by the present invention and side A kind of way of realization of method, other deformations of provided scheme, increase or reduce composition therein or step according to the present invention Suddenly, other technical fields close with the present invention or by the present invention are used for, are all belonged to the scope of protection of the present invention.

Claims

1. the cooling three-phase motor monitor controller of a kind of for transformer, it is characterized in that: including for acquiring power supply line The first sensor group of electric signal parameter, the second sensor group for acquiring transformer state parameter, be arranged in power supply line Operating mechanism (6) upper and for power supply line on-off, be set as respectively with operating mechanism (6), first sensor group and second Sensor group connects and to the intelligent controlling device of operating mechanism (6) input control power supply line on-off signal.

2. the cooling three-phase motor monitor controller of for transformer according to claim 1, it is characterized in that: according to Transformer state signal is the mode of basis signal all the way operating mechanism (6), first sensor group, second sensor group and intelligence It can control device interconnection.

3. the cooling three-phase motor monitor controller of for transformer according to claim 2, it is characterized in that: according to string The two paths of signals of connection is that the mode of basic signal controls first sensor group and second sensor group and operating mechanism (6) and intelligence Device connection processed.

4. the cooling three-phase motor monitor controller of for transformer according to claim 1, it is characterized in that: first passes Sensor group is set as including voltage transformer (1) and current transformer (5),

Or, second sensor group is set as including temperature sensor (7) and load sensor (8),

Or, intelligent controlling device is set as including Acquisition Processor (2) and data processor (3),

Or, also including the first accessories apparatus and the first accessories apparatus is set as connecting with intelligent controlling device, the first attachment Device is set as display (4).

5. the cooling three-phase motor monitor controller of for transformer according to claim 4, it is characterized in that: voltage is mutual Sensor (1), current transformer (5) and operating mechanism (6) is separately positioned on the power supply line of three-phase motor and temperature sensor (7) it is respectively set on the transformer with load sensor (8), the output port of voltage transformer (1), current transformer (5) The output port of output port, the output port of temperature sensor (7) and load sensor (8) is respectively set to and acquisition process The input port of device (2) connects and the output port of Acquisition Processor (2) is set as and the input port of data processor (3) It is connected with the input port of display (4), the output port of data processor (3) is set as and the control terminal of operating mechanism (6) Mouth connection.

6. the cooling three-phase motor monitor controller of for transformer according to claim 5, it is characterized in that: voltage is mutual The input port of sensor (1) and the input port of current transformer (5) are respectively set to connect with the power supply line of three-phase motor, electricity The model of the model and current transformer (5) of pressing mutual inductor (1) is respectively set to ZMPT101B and HWCT-10A/5MA,

Or, temperature sensor (7) is arranged in the transformer oil of transformer and the model of temperature sensor (7) is respectively set to BWY-804,

Or, load sensor (8) is arranged in the current transformer of transformer and the model of load sensor (8) is respectively set For DL-13,

Or, Acquisition Processor (2) is set as the medium and running state of transformer with power state information acquisition, analog-to-digital conversion The model of identification, the medium of judgement and Acquisition Processor (2) is set as CS5460A,

Or, Acquisition Processor (2) be set as include operation blocks U2, diode group D1, resistance R10, resistance R11, capacitor C5, Resistance R12, resistance R13, capacitor C6, operation blocks U3, oscillator coil Y2, resistance R14, resistance R17, capacitor C7, resistance R15, electricity R18, diode group D2, resistance R16, operation blocks U4, resistance R19, capacitor C8, capacitor C9 are hindered,

The interface (1) of operation blocks U2 is set as I1 and the interface (2) of operation blocks U2 is set as I2, the interface (3) of operation blocks U2 The interface (4) for being set as Q1 and operation blocks U2 is set as Q2,

The interface (3) of operation blocks U3 is set as VD+ and the interface (14) of operation blocks U3 is set as VA+, the interface of operation blocks U3 (4) interface (13) for being set as DGND and operation blocks U3 is set as AGND, and the interface (17) of operation blocks U3 is set as PFMDN simultaneously And the interface (11) of operation blocks U3 is set as VREFDUT, the interface (9) of operation blocks U3 is set as connecing for VIN+ and operation blocks U3 Mouth (10) is set as VIN-, and the interface (16) of operation blocks U3 is set as IIN+ and the interface (15) of operation blocks U3 is set as The interface (8) of IIN-, operation blocks U3 are set as MODE and the interface (24) of operation blocks U3 is set as XIN, and operation blocks U3's connects Mouth (1) is set as XDUT and the interface (2) of operation blocks U3 is set as CPUCLK, and the interface (19) of operation blocks U3 is set as The interface (21) of RESET and operation blocks U3 are set as E1, and the interface (22) of operation blocks U3 is set as E2 and operation blocks U3 Interface (18) is set as E3, and the interface (7) of operation blocks U3 is set as CS and the interface (23) of operation blocks U3 is set as SD1, fortune The interface (6) for calculating block U3 is set as SDO and the interface (5) of operation blocks U3 is set as SCLK, and the interface (20) of operation blocks U3 is set INT is set to,

The interface (1) of operation blocks U2 is set as connecting with U+ and the interface of operation blocks U2 (2) is set as connecting with U-, operation blocks The interface (3) of U2 is set as connecting with the interface (3) of diode group D1 and the interface of operation blocks U2 (4) is set as and diode The interface (1) and interface (2) connection, the interface (3) of diode group D1 of group D1 is set as connecting simultaneously with the interface of resistance R10 (1) And the interface (1) and interface (2) of diode group D1 are set as connecting with the interface of resistance R11 (1), the interface (2) point of resistance R10 It is not set as connecting with the interface (1) of the interface of capacitor C5 (1) and resistance R13 and the interface of resistance R11 (2) is respectively set to It is connect with the interface (1) of the interface (2) of capacitor C5 and resistance R12, the interface (2) of resistance R13 is set as connecing with operation blocks U3 The interface (2) of mouth (9) connection and resistance R12 are set as connecting with the interface of operation blocks U3 (10), the interface (4) of operation blocks U3 It is set as connecting with the interface of operation blocks U3 (13), the interface (11) and interface (12) of operation blocks U3 is set as connecing with capacitor C6 The interface (1) of mouth (2) connection and capacitor C6 are set as being connected to ground, and the interface (24) of operation blocks U3 is set as and oscillator coil The interface (2) of Y2 connects and the interface (1) of oscillator coil Y2 is set as connecting with the interface of operation blocks U3 (1), operation blocks U3 Interface (7) be set as connecting with the interface of resistance R14 (1) and the interface of resistance R14 (2) is set as connecting with VCC, operation The interface (16) of block U3 is respectively set to the interface (2) with the interface of resistance R17 (1), the interface (2) of capacitor C7 and resistance R15 It connects and the interface (15) of operation blocks U3 is respectively set to interface (1) and resistance with the interface of resistance R17 (2), capacitor C7 The interface (2) of R18 connects, and the interface (1) of resistance R15 is respectively set to connect with the interface (3) of diode group D2, resistance R16 The interface (1) of mouth (2), interface (2) connection of operation blocks U4 and resistance R18 is respectively set to the interface with diode group D2 (1), interface (1) connection of the interface (2) of diode group D2, the interface (1) of resistance R16, operation blocks U4,

The interface (1) of resistance R19 is respectively set to connect with the interface (2) of VCC, capacitor C8 and the interface of resistance R19 (2) divides It is not set as connecting with the interface (2) of AVCC, capacitor C9, the interface (1) of capacitor C8 and the interface (1) of capacitor C9 are respectively set To be connected to ground,

The model of operation blocks U2 is set as U-ZMPT101B and the model of operation blocks U3 is set as U-CS5460A/S0P24, fortune The model for calculating block U4 is set as HWC-5A/5MA,

Or, data processor (3) is set as having, numerical value compares with the medium of analytic operation and model is set as STM32F103RBT6,

Or, data processor (3) is set as including capacitor C11, capacitor C13, oscillator coil Y12, operation blocks U14, resistance R31, capacitor C18, capacitor C19, capacitor C20, capacitor C21, capacitor C22, operation blocks CN2, resistance R29, capacitor C12, button S2, Resistance R30, button S1,

The interface (1) of operation blocks U14 is set as VBAT and the interface (2) of operation blocks U14 is set as PC13/ANT1, operation blocks The interface (3) of U14 is set as PC14/DSC32 and the interface (2) of operation blocks U14 is set as PC15/DSC32, operation blocks U14 Interface (5) be set as PD0/DSCIN and the interface (6) of operation blocks U14 is set as PD1/DSCOUT, operation blocks U14's connects Mouth (7) is set as NRST and the interface (8) of operation blocks U14 is set as PC0/ADC10, and the interface (9) of operation blocks U14 is set as The interface (10) of PC1/ADC11 and operation blocks U14 are set as PC2/ADC12, and the interface (11) of operation blocks U14 is set as PC1/ The interface (12) of ADC13 and operation blocks U14 are set as VSSA, and the interface (13) of operation blocks U14 is set as VDDA and operation The interface (14) of block U14 is set as PAO/WKUP/ADCO/TIM2_-CH1_-The interface (15) of ETR, operation blocks U14 are set as PA1/ ADC1/TIM2_-The interface (16) of CH2 and operation blocks U14 are set as PA2/U2_-TX/ADC2/TIM2_-CH3, operation blocks U14's Interface (17) is set as PA3/U2_-RX/ADC3/TIM2_-The interface (18) of CH4 and operation blocks U14 are set as VSS, operation blocks The interface (19) of U14 is set as VDD and the interface (20) of operation blocks U14 is set as PA4/SPI1_-NSS/ADC4, operation blocks The interface (21) of U14 is set as PA5/SPI1_-The interface (22) of SCK/ADC5 and operation blocks U14 are set as PA6/SPI1_- MISO/ADC6/TIM3_-The interface (23) of CH1, operation blocks U14 are set as PA7/SPI1_-MDSI/ADC7/TIM3_-It CH2 and transports The interface (24) for calculating block U14 is set as PC4/ADC14, and the interface (25) of operation blocks U14 is set as PC5/ADC15 and operation blocks The interface (26) of U14 is set as PBO/ADC8/TIM3_-The interface (27) of CH3, operation blocks U14 are set as PB1/ADC9/TIM3- CH_-The interface (28) of 4 and operation blocks U14 is set as PB2/BDDT1, and the interface (29) of operation blocks U14 is set as PB10/I2C2_- SCL/U3_-The interface (30) of TX and operation blocks U14 are set as PB11/I2C2_-SDA/U3_-The interface (31) of RX, operation blocks U14 The interface (32) for being set as VSS and operation blocks U14 is set as VDD, and the interface (33) of operation blocks U14 is set as PB12/SPI2_- NSS/I2C2_-SMBAI/TIMI_-The interface (34) of BKN and operation blocks U14 are set as PB13/SPI2_-SCK/TIM1_-CH1M, fortune The interface (35) for calculating block U14 is set as PB14/SPI2_-MISD/TIM1_-The interface (36) of CH2N and operation blocks U14 are set as PB15/SPI2_-MDSI/TIM1_-The interface (37) of CH3N, operation blocks U14 are set as PC6 and the interface (38) of operation blocks U14 is set It is set to PC7, the interface (39) of operation blocks U14 is set as PC8 and the interface (40) of operation blocks U14 is set as PC9, operation blocks The interface (41) of U14 is set as PA8/TIM1_-The interface (42) of CH1/MCO and operation blocks U14 are set as PA9/U1-TX/ TIM1_-The interface (43) of CH2, operation blocks U14 are set as PA10/U1_-RX/TIM1_-The interface (44) of CH3 and operation blocks U14 are set It is set to PA11/CAN_-RX/USBDM/TIM1_-The interface (45) of CH4, operation blocks U14 are set as PA12/CAN_-TX/USBDP/ TIM1_-The interface (46) of ETR and operation blocks U14 are set as PA13/JTMS/SWDID, interface (47) setting of operation blocks U14 It is set as VDD for the interface (48) of VSS and operation blocks U14, the interface (49) of operation blocks U14 is set as PA14/JTCK/ The interface (50) of SWCLK and operation blocks U14 are set as PA15/JTDI, the interface (51) of operation blocks U14 be set as PC10 and The interface (52) of operation blocks U14 is set as PC11, and the interface (53) of operation blocks U14 is set as connecing for PC12 and operation blocks U14 Mouth (54) is set as PD2/TIM3_-The interface (55) of ETR, operation blocks U14 are set as PB3/JTDO/TRACESWD and operation blocks The interface (56) of U14 is set as PB4/JWTRST, and the interface (57) of operation blocks U14 is set as PB5/I2C1_-SMBAI and operation The interface (58) of block U14 is set as PB6/I2C1_-SCL/TIM4_-The interface (59) of CH1, operation blocks U14 are set as PB7/I2C1_- SDA/TIM4_-The interface (60) of CH2 and operation blocks U14 are set as BDDTO, and the interface (61) of operation blocks U14 is set as PB8/ TIM4_-The interface (62) of CH3 and operation blocks U14 are set as PB9/TIM4_-The interface (63) of CH4, operation blocks U14 are set as VSS And the interface (64) of operation blocks U14 is set as VDD,

The interface (1) of capacitor C11 and the interface (1) of capacitor C13 are respectively set to be connected to ground and the interface of capacitor C11 (2) It is respectively set to connect with the interface (5) of the interface of oscillator coil Y12 (1) and operation blocks U14, the interface (2) of capacitor C13 is respectively It is set as connecting with the interface (6) of the interface of oscillator coil Y12 (2) and operation blocks U14, interface (28) setting of operation blocks U14 To be connected to ground by resistance R31,

The interface (1) of capacitor C18, the interface (1) of capacitor C19, the interface (1) of capacitor C20, capacitor C21 interface (1), capacitor The interface (1) of C22 is respectively set to connect with VCC3.3 and interface (2), the capacitor of the interface of capacitor C18 (2), capacitor C19 The interface (2) of C20, the interface (2) of capacitor C21, capacitor C22 interface (2) be respectively set to be connected to ground,

The interface (1) of operation blocks CN2 is set as connecting with VDD3.3 and the interface of operation blocks CN2 (2) is set as being connected to ground, The interface (3) of operation blocks CN2 is set as and PA13/JTMS_-The interface (4) of SWDIO connection and operation blocks CN2 be set as with PA14/JTCK_-The interface (5) of SWCLK connection, operation blocks CN2 is set as connecting with NRST,

The interface (2) of resistance R29 is set as connecting with VDD3.3 and the interface of resistance R29 (1) is respectively set to and capacitor C12 Interface (2), button S2 interface (2) connection, the interface (1) of capacitor C12 and the interface (1) of button S2 be respectively set to Connection,

The interface (2) of button S1 is set as connecting with VDD3.3 and the interface of button S1 (1) is set as the interface with resistance R30 (2) it connecting, the interface (1) of resistance R30 is set as being connected to ground,

7. the cooling three-phase motor monitor controller of for transformer according to claim 5, it is characterized in that: operation machine Structure (6) is set as the medium of three-phase motor on/off and the model of operating mechanism (6) is set as NT90RNAE12CB,

Or, operating mechanism (6) be set as include resistance R86, light-operated switch U15, resistance R87, resistance R88, diode D16, Triode Q17 and oscillation switch JD5,

The interface (1) of diode D16 is set as anode and the interface (2) of diode D16 is set as cathode, triode Q17's Interface (1) is set as base stage and the interface (2) of triode Q17 is set as collector, and the interface (3) of triode Q17 is set as Emitter,

The interface (1) of resistance R86 is set as connecting with PF13/EOUT10 and the interface of resistance R86 (2) is set as opening with light-operated Interface (1) connection of U15 is closed, the interface (2) of light-operated switch U15 is set as being connected to ground and the interface of light-operated switch U15 (3) It is set as connecting with VCC12, the interface (4) of light-operated switch U15 is set as connecting with the interface of resistance R87 (1) and resistance R87 Interface (2) be respectively set to connect with the interface (1) of the interface of triode Q17 (1), resistance R88, the interface of triode Q17 (3) and the interface of resistance R88 (2) be respectively set to connect with IGND1 and the interface of triode Q17 (2) be respectively set to Interface (1) connection of the interface (1) of diode D16, oscillation switch JD5, the interface (2) of diode D16 and oscillation switch JD5's Interface (2) is respectively set to connect with VCC12,

8. the cooling three-phase motor monitor controller of for transformer according to claim 5, it is characterized in that: temperature passes Sensor (7) and load sensor (8) and voltage transformer (1), current transformer (5), operating mechanism (6), Acquisition Processor (2) It is set as connecting according in a manner of basis signal with data processor (3).

9. a kind of cooling three-phase motor monitoring and control method of for transformer, the steps include: with the electric signal of power supply line as one Road input signal, using transformer state signal as another way input signal, when the electric signal and transformer state signal of power supply line It is in normal condition simultaneously, just meets the condition that three-phase motor and power supply line are connected.

10. the cooling three-phase motor monitoring and control method of for transformer according to claim 9, it is characterized in that: it is walked Suddenly it is: the power line voltage signal of voltage transformer (1) acquisition, the power lead current signal of current transformer (5) acquisition, temperature The load signal of sensor (7) acquisition transformer oil temperature signal and load sensor (8) acquisition transformer is separately input to adopt In set processor (2), Acquisition Processor (2) carries out conversion process to the signal of acquisition and forms digital signal, Acquisition Processor (2) Digital signal shown that the digital signal of Acquisition Processor (2) is transported in data processor (3) by display (4), Medium, temperature signal and load signal analytical calculation are compared by the voltage and current set in data processor (3) Medium forms output signal,

When voltage transformer (1) acquisition power line voltage signal be in normal condition, so that power supply line is in normal power supply state, It is in again by the load signal that temperature sensor (7) acquire transformer oil temperature signal and load sensor (8) acquisition transformer Normal condition, the output signal of data processor (3) are normal signal, and start-up operation mechanism (6) work makes three-phase motor and electricity Source line is connected,

After three-phase motor and power supply line are connected, voltage transformer and current transformer acquire the voltage and current letter of power supply line in real time Number, when the power line voltage signal of voltage transformer (1) acquisition and the power lead current signal of current transformer (5) acquisition are in When abnormality, the output signal of data processor (3) is abnormal signal, start-up operation mechanism (6) work, make three-phase motor with Power supply line disconnects；When temperature sensor (7) acquire the load of transformer oil temperature signal and load sensor (8) acquisition transformer Signal is in abnormality, and the output signal of data processor (3) is abnormal signal, and start-up operation mechanism (6) work makes three-phase Motor and power supply line disconnect,

Or, the power line voltage and current signal to voltage transformer (1) and current transformer (5) acquisition carry out conversion process, It is converted to digital signal to export to data processor (3) and display (4), temperature sensor (7) and load sensor (8) is adopted The transformer oil temperature signal and transformer load signal of collection carry out conversion process, and output signal to data processor (3),

By the power parameter digital signal of Acquisition Processor output compared with the numerical value that database is set carries out analysis, comparison result Enabling signal as operating mechanism (6).