CN208521149U - A kind of relay - Google Patents

Abstract

The utility model relates to a kind of relays, including power module, control module, signal designation module, execution module.Power module provides power supply for signal designation module, control module and execution module, and control module can control signal designation module and execution module work.The utility model is used as Y- △ starter relay, keeps Y- △ starting wiring more simple, has saved the time relay, troubleshooting is also more easier.

Description

A kind of relay

Technical field

The utility model relates to a kind of relays, and in particular to a kind of Y- △ starter relay that motor start-up uses, Belong to relay technical field.

Background technique

Motor Y- △ start mode is most commonly used Starting mode in application to engineering practice, and current Y- △ is started Drop is formed by main contactor, triangle connection contactor, the auxiliary contact of asterism short circuit contactor and time relay delay Press starting circuit.In the more place of some live dust, it often will appear auxiliary contact and contact bad, formation failure.Due to Circuit is more complex, increases the difficulty of handling failure.

Utility model content

The purpose of this utility model is to provide a kind of Y- △ starter relays, keep Y- △ starting wiring more simple, save The time relay, troubleshooting are also more easier.

The utility model is realized by following technical proposals.

A kind of relay, including power module, control module, signal designation module, it is characterized in that: further including executing mould Block, power module provide power supply for signal designation module, control module and execution module, and control module can control signal designation mould Block and execution module,

Wherein:

Execution module is by relay inside fuse, the first internal control relay, the second internal control relay, third Device, switch SA, switch FR, main contactor, triangle connection contactor, asterism short circuit contactor, connecting terminal composition, it is described to connect Line terminals include 1-12 foot, wherein the 1st foot, the 2nd foot are AC220V power input, input terminal is believed in the 3rd foot, the work of the 4th foot, the 5 feet, the 6th foot are overload signal input terminal, and the 7th foot, the 8th foot are spare end, and the 9th foot is to export control contact common end, the 10th Foot is asterism short circuit contactor control terminal, and the 11st foot is that triangle connects contactor control terminal, and the 12nd foot is main contactor Control terminal；The 1st foot, the 2nd foot, the 9th foot of the connecting terminal connect power supply, and the 3rd foot and the 4th foot of the connecting terminal pass through Switch SA connection, the 5th foot of the connecting terminal are connect with the 6th foot by switch FR；First internal control relay, in second The 9th foot that portion controls relay, the common end of third internal relay and connecting terminal connects, the first internal control relay 10th foot of other end cable terminal, the 11st foot of the other end connection connecting terminal of the second internal control relay, third 12nd foot of the other end connection connecting terminal of internal relay；Main contactor KM1, triangle connection contactor KM2, asterism are short The common end for meeting contactor KM3 is separately connected the neutral conductor, and main contactor KM1, triangle connection contactor KM2, asterism connect The other end of tentaculum KM3 is separately connected power supply line.

Further preferably, the control module by single-chip microcontroller, first capacitor, the second capacitor, third capacitor, the 4th capacitor, First resistor, the first crystal oscillator, reset button composition, the both ends of the first crystal oscillator connect clock end 18 in single-chip microcontroller, 19 feet respectively, the Two capacitors are connected between 18 foot of clock end of single-chip microcontroller and ground, and third capacitor is connected on 19 foot of clock end and ground of single-chip microcontroller Between, the common end of first capacitor one end and first resistor one end is connected with 9 foot of reset terminal of single-chip microcontroller, the other end of first capacitor It is connected with power Vcc, the other end ground connection of first resistor, reset button is in parallel with first capacitor, 40 foot of power end of single-chip microcontroller Power Vcc is connect, the 4th capacitor is connected in parallel between power Vcc and ground, 20 foot of the ground terminal ground connection of single-chip microcontroller；In the first of single-chip microcontroller Relay control terminal 27 foot in portion's connects the first internal control relay, and 25 foot of the second internal relay control terminal of single-chip microcontroller connects second 23 foot of third internal relay control terminal of internal control relay, single-chip microcontroller connects third internal control relay.

Further preferably, the signal designation module is by power supply instruction green LED LED1, operation instruction green Light-emitting diode LED 2, indicating fault red light emitting diodes LED3,3rd resistor R3, the 4th resistance R4, the 5th resistance R5 group At；The anode of power supply instruction green LED LED1 connects power Vcc, the cathode of power supply instruction green LED LED1 It connects with 3rd resistor R3 and is followed by 6 foot of power supply instruction green LED control terminal of single-chip microcontroller；Operation instruction green emitting The anode of diode (LED) 2 connects power Vcc, and the cathode of green LED LED2 connects with the 4th resistance R4 and is followed by single-chip microcontroller 38 foot of green LED control terminal；The anode of indicating fault red light emitting diodes LED3 connects power Vcc, indicating fault The cathode of red light emitting diodes LED3 is connected with the 5th resistance R5 is followed by the indicating fault red light emitting diodes control of single-chip microcontroller 32 foot of end processed.

Further preferably, the power module is powered using 5V.

Further preferably, the single-chip microcontroller model STC12LE5A60AD.

The technical effect of the utility model: power module provides electricity for signal designation module, control module and execution module Source, control module can control signal designation module and execution module work, make Y- △ start wiring it is more simple, saved the time after Electric appliance, troubleshooting are also more easier.

Detailed description of the invention

Fig. 1 is the structural block diagram of the utility model.

Fig. 2 is the control module schematic diagram of the utility model.

Wherein: in Fig. 2, the value of the first crystal oscillator JZ1 is 22.1184M, and resistance and capacitor value are as follows:

R1:10k Ω, R2:10k Ω, R3:1k Ω, R4:1k Ω, R5:1k Ω.

C1:10 μ F, C2:30 μ F, C3:30 μ F, C4:0.1 μ F.

Fig. 3 is the execution module schematic diagram of the utility model.

Specific embodiment

The utility model is further described with reference to the accompanying drawing.

A kind of relay, as shown in Figure 1, including power module, control module, signal designation module, execution module.Its In:

As described in Figure 2, control module is by single-chip microcontroller U1 (STC12LE5A60AD), the first-the four capacitor C1-C4, the first electricity Hinder R1, the first crystal oscillator JZ1, reset button RST composition, the both ends of the first crystal oscillator JZ1 connect respectively single-chip microcontroller U1 clock end 18, 19 feet, the second capacitor C2 are connected between 18 foot of clock end of single-chip microcontroller U1 and ground, and third capacitor C3 is connected on single-chip microcontroller U1's Between 19 foot of clock end and ground, the common end of the one end first capacitor C1 and the one end first resistor R1 and the reset terminal 9 of single-chip microcontroller U1 Foot is connected, and the other end of first capacitor C1 is connected with power Vcc, and the other end of first resistor R1 is grounded, reset button RST and the One capacitor C1 is in parallel, and 40 foot of power end of single-chip microcontroller U1 connects power Vcc, and the 4th capacitor C4 is connected in parallel between power Vcc and ground, single 20 foot of ground terminal of piece machine U1 is grounded；27 foot of the first internal relay control terminal of single-chip microcontroller U1 connects the first internal control relay 25 foot of the second internal relay control terminal of J1, single-chip microcontroller U1 meet the second internal control relay J2, in the third of single-chip microcontroller U1 Relay control terminal 23 foot in portion's meets third internal control relay J3.

Signal designation module by power supply instruction green LED LED1, operation instruction green LED LED2, Indicating fault red light emitting diodes LED3,3rd resistor R3, the 4th resistance R4, the 5th resistance R5 composition；Power supply instruction green The anode of Light-emitting diode LED 1 connects power Vcc, and the cathode and 3rd resistor R3 of power supply instruction green LED LED1 is gone here and there Connection is followed by 6 foot of power supply instruction green LED control terminal of single-chip microcontroller U1.Operation instruction green LED LED2's Anode connects power Vcc, and the cathode of green LED LED2 connects with the 4th resistance R4 and is followed by the green emitting of single-chip microcontroller U1 38 foot of diode control terminal.The anode of indicating fault red light emitting diodes LED3 connects power Vcc, indicating fault emitting red light two The cathode of pole pipe LED3 is connected with the 5th resistance R5 is followed by 32 foot of indicating fault red light emitting diodes control terminal of single-chip microcontroller U1.

Execution module is by fuse FU, the first internal control relay J1, the second internal control relay J2, inside third Relay J3, switch SA, switch FR, main contactor KM1, triangle connect contactor KM2, asterism short circuit contactor KM3, wiring Terminal composition, connecting terminal includes 1-12 foot, wherein the 1st foot, the 2nd foot are AC220V power input, the 3rd foot, the work of the 4th foot Believe that input terminal, the 5th foot, the 6th foot are overload signal input terminal, the 7th foot, the 8th foot are spare end, and the 9th foot is output control contact Common end, the 10th foot are asterism short circuit contactor control terminal, and the 11st foot is that triangle connects contactor control terminal, the 12nd foot Main contactor control terminal.The 1st foot, the 2nd foot, the 9th foot of connecting terminal connect power supply, and the 3rd foot and the 4th foot of connecting terminal pass through Switch SA connection, the 5th foot of connecting terminal are connect with the 6th foot by switch FR.First internal control relay J1, inside second Relay J2 is controlled, the common end of third internal relay J3 and 9 feet of connecting terminal connect, and the other end is separately connected line terminals 12 feet, 11 feet, 10 feet.Main contactor KM1, triangle connect contactor KM2, the common end point of asterism short circuit contactor KM3 Not Lian Jie the neutral conductor, the other end is separately connected power supply line.

Power module is powered using 5V.Wherein: the value of the first crystal oscillator JZ1 is 22.1184M, and resistance and capacitor value are such as Under:

R1:10k Ω, R2:10k Ω, R3:1k Ω, R4:1k Ω, R5:1k Ω.

C1:10 μ F, C2:30 μ F, C3:30 μ F, C4:0.1 μ F.

The working principle of the utility model is as follows:

Power module provides power supply for signal designation module, control module and execution module, and control module can control signal Indicating module and execution module work.

When switch SA is connected, control module is started to work, so that the first internal relay J1 is attracted, the of connecting terminal 9 feet and the 10th foot are connected, and asterism short circuit contactor KM3 is attracted.After asterism short circuit contactor KM3 is attracted, the 9th of connecting terminal the Foot and the 12nd foot are connected, and main contactor KM1 is attracted.Motor presses star connection reduced voltage starting.When reaching the delay of setting Between after, control module make connecting terminal the 9th foot and the 11st foot connect, make triangle connection contactor KM2 be attracted, motor It is run by delta connection total pressure.When motor overload, switch FR normally closed auxiliary contact is disconnected, i.e., the 5th foot, the 6th foot no longer connect It is logical, at this point, execution module protection act, the second internal control relay J2, third internal control relay J3 release, main contact Device KM1, triangle connection contactor KM2 release, motor are out of service.

It is only connected when switch SA is disconnected with switch FR, execution module is just capable of resetting, and is prepared into preparing to start next time. When switch SA is disconnected, execution module stops working, and motor is out of service.

Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical Novel protection scope.

Claims (2)

1. a kind of relay, including power module, control module, signal designation module, it is characterized in that: further include execution module, Power module provides power supply for signal designation module, control module and execution module, and control module can control signal designation module And execution module,

Wherein:

Execution module by fuse, the first internal control relay, the second internal control relay, third internal relay, open Close SA, switch FR, main contactor, triangle connection contactor, asterism short circuit contactor, connecting terminal composition, the terminals Attached bag includes 1-12 foot, wherein the 1st foot, the 2nd foot are AC220V power input, the 3rd foot, the 4th foot, which work, believes input terminal, the 5th foot, 6th foot is overload signal input terminal, and the 7th foot, the 8th foot are spare end, and the 9th foot is output control contact common end, and the 10th foot is Asterism short circuit contactor control terminal, the 11st foot are that triangle connects contactor control terminal, and the 12nd foot is main contactor control Terminal；The 1st foot, the 2nd foot, the 9th foot of the connecting terminal connect power supply, and the 3rd foot of the connecting terminal and the 4th foot pass through switch 5th foot of SA connection, the connecting terminal is connect with the 6th foot by switch FR；First internal control relay, the second inside control 9th foot of relay processed, the common end of third internal relay and connecting terminal connects, the first internal control relay it is another Hold the 10th foot of cable terminal, the 11st foot of the other end connection connecting terminal of the second internal control relay, inside third 12nd foot of the other end connection connecting terminal of relay；

Main contactor KM1, triangle connect contactor KM2, the common end of asterism short circuit contactor KM3 is separately connected the neutral conductor, Main contactor KM1, triangle connect contactor KM2, the other end of asterism short circuit contactor KM3 is separately connected power supply line.

2. relay according to claim 1, it is characterized in that:

The control module is by single-chip microcontroller, first capacitor, the second capacitor, third capacitor, the 4th capacitor, first resistor, the first crystalline substance Vibration, reset button composition, the both ends of the first crystal oscillator connect clock end 18 in single-chip microcontroller, 19 feet respectively, and the second capacitor is connected on list Between 18 foot of clock end and ground of piece machine, third capacitor is connected between 19 foot of clock end of single-chip microcontroller and ground, first capacitor one End and the common end of first resistor one end and 9 foot of reset terminal of single-chip microcontroller are connected, the other end and the power Vcc phase of first capacitor Even, the other end ground connection of first resistor, reset button is in parallel with first capacitor, and 40 foot of power end of single-chip microcontroller connects power Vcc, the Four capacitors are connected in parallel between power Vcc and ground, 20 foot of the ground terminal ground connection of single-chip microcontroller；First internal relay of single-chip microcontroller controls 27 feet are held to connect the first internal control relay, 25 foot of the second internal relay control terminal of single-chip microcontroller connects the second internal control relay 23 foot of third internal relay control terminal of device, single-chip microcontroller connects third internal control relay.