CN209609069U

CN209609069U - A kind of circuit for controlling motor with temperature control

Info

Publication number: CN209609069U
Application number: CN201821753996.3U
Authority: CN
Inventors: 邱万松; 贾颖伟; 李小明; 赵建
Original assignee: Good Dynamo-Electric Co Ltd Of Gold Of Foshan City
Current assignee: Good Dynamo-Electric Co Ltd Of Gold Of Foshan City
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2019-11-08
Anticipated expiration: 2028-10-26

Abstract

The utility model discloses a kind of circuit for controlling motor with temperature control, including power supply output module, frequency control module, motor module, rectification module and radiating module, by the way that mechanical thermostat is arranged, to control the start-up temperature of heat emission fan, so that not starting without heat emission fan when cooling down, that reduces heat emission fan uses the time, to extend the service life of heat emission fan.

Description

A kind of circuit for controlling motor with temperature control

Technical field

The utility model relates to control circuit technical fields, and in particular to a kind of circuit for controlling motor with temperature control.

Background technique

At work, internal component can generate heat, especially low-voltage circuit breaker and change to existing electric control case Frequency device can generate biggish heat when motor load is larger, the heat in addition fever of cable and other component, in electric cabinet Amount can be increased sharply, be easy to cause burning for ground component, not only damage electric cabinet, but also the unexpected power loss of motor is easy to send thing Therefore.

In order to solve this problem, existing a kind of New-type electric machine control circuit (patent No.: CN201620910362.9), It is radiated by being connected in parallel the heat emission fan with transformer at control motor to electric control case, but it is this The heat emission fan of way is constantly in working condition, however actually just needs to start when the temperature certain temperature in electric cabinet Heat emission fan radiates, so not only power consumption, but also the service life of heat emission fan is declined.

Summary of the invention

In view of the deficiencies of the prior art, the utility model, which is intended to provide one kind, just to open radiating mould under rated temperature The circuit for controlling motor with temperature control of block.

To achieve the above objectives, the present invention adopts the following technical solutions:

A kind of circuit for controlling motor with temperature control, including power supply output module, frequency control module, motor module, rectification Module and radiating module, the output end of the power supply output module is connected with frequency control module and rectification module in parallel, described Frequency control module is connect with motor module, and the rectification module is connect with the radiating module, the rectification module and heat dissipation Temperature control module is also connected between module.

Further, the power supply output module includes power module, on-load switch module and overcurrent and overvoltage protective module, The power module is 380V three-phase alternating-current supply, and the power module outlet is connect with the on-load switch module, described The output end of on-load switch module is connect with the overcurrent and overvoltage protective module, and the output end of the overcurrent and overvoltage protective module is For the output end of the power supply output module.

Further, the power module includes a 380V three-phase alternating-current supply, three firewire cables, a zero curve electricity Cable and a ground wire cable, two of them firewire cable and zero curve cable are respectively via the on-load switch module and the overcurrent Overvoltage protective module connects the input terminal connection of the frequency control module, and ground wire cable connect ground connection with frequency control module； A remaining firewire cable is connect by the overcurrent and overvoltage protective module with the input terminal of the rectification module, the zero curve Cable is successively also connect with the input terminal of the rectification module after the on-load switch module and overvoltage protective module, described Ground wire cable connect ground connection with the radiating module.

Further, the overcurrent and overvoltage protective module is low-voltage circuit breaker.

Further, the frequency control module is frequency converter, and the frequency control module is also connected with described for controlling The start-stop button and acousto-optic monitoring of motor module.

Further, the rectification module is transformer, and the primary coil two ends of the rectification module are connected to The anode of a remaining firewire cable and zero curve cable, the secondary coil of the rectification module passes through the temperature control module It is connect with the radiating module, the cathode of the secondary coil of the rectification module is directly connect with the radiating module, described whole The output voltage of flow module is 24V.

Further, the radiating module is heat emission fan.

Further, the temperature control module is mechanical thermostat.

The utility model has the following beneficial effects:

A kind of circuit for controlling motor with temperature control of the utility model is by setting mechanical thermostat, to control opening for heat emission fan Dynamic temperature, so that not starting without heat emission fan when cooling down, that reduces heat emission fan uses the time, to extend heat emission fan Service life.

Detailed description of the invention

Fig. 1 is a kind of modular structure schematic diagram of the circuit for controlling motor with temperature control of the utility model；

Fig. 2 is a kind of wire connection structure schematic diagram of the circuit for controlling motor with temperature control of the utility model；

In figure: 1, power supply output module, 2, frequency control module, 3, motor module, 4, rectification module, 5, temperature control module, 6, radiating module, 11, power module, 12, on-load switch module, 13, overcurrent and overvoltage protective module.

Specific embodiment

With reference to the accompanying drawing and specific embodiment, the utility model will be further described, in order to clearer reason Solve the technical idea of the requires of the utility model protection.

A kind of circuit for controlling motor with temperature control of the utility model as shown in Fig. 1~2, including power supply output module 1, frequency conversion Control module 2, motor module 3, rectification module 4 and radiating module 6, the output end of the power supply output module 1 are connected in parallel Frequency control module 2 and rectification module 4, the frequency control module 2 are connect with motor module 3, the rectification module 4 with it is described Radiating module 6 connects, and is also connected with temperature control module 5 between the rectification module 4 and radiating module 6.

When the utility model is used, the power supply output module 1 exports the AC power source of 380V, cable is defeated from power supply Module 1 is connected to frequency control module 2 out, and then cable is connected on motor module 3 from frequency control module 2 again, frequency conversion Control module 2 controls the running speed of motor module 3 by way of changing motor working power frequency, to reach intelligence The purpose of speed regulation；Cable is connected to rectification module 4 from power supply output module 1 simultaneously, and then cable connects from rectification module 4 again It is connected to temperature control module 5, last cable is connected to radiating module 6 from temperature control module 5, and rectification module 4 exchanges dangerous 380V Electrotransformation is applicable safe dc electricity, the height of scene temperature is monitored in real time by temperature control module 5, when scene temperature reaches When the running temperature that temperature control module 5 is arranged, the temperature control module 5 makes the radiating module 6 be powered, so that the heat dissipation Module 6 is run, and when running temperature of the scene temperature lower than the temperature control module 5 setting, the temperature control module 5 makes described dissipate Thermal modules 6 power off, so that the radiating module 6 is out of service.

Further, the power supply output module 1 includes power module 11, on-load switch module 12 and over-current over-voltage protection Module 13, the power module 11 are 380V three-phase alternating-current supply, 11 output end of power module and the on-load switch mould Block 12 connects, and the output end of the on-load switch module 12 is connect with the overcurrent and overvoltage protective module 13, the overcurrent-overvoltage The output end of protective module 13 is the output end of the power supply output module 1.

Further, the power module 11 includes a 380V three-phase alternating-current supply, three firewire cables, a zero curve Cable and a ground wire cable, two of them firewire cable and zero curve cable are respectively via the on-load switch module 12 and described Overcurrent and overvoltage protective module 13 connects the input terminal connection of the frequency control module 2, and ground wire cable and frequency control module 2 connect Ground connection；A remaining firewire cable connects by the input terminal of the overcurrent and overvoltage protective module 13 and the rectification module 4 Connect, the zero curve cable successively after the on-load switch module 12 and overvoltage protective module 13 also with the rectification module 4 Input terminal connection, the ground wire cable connect ground connection with the radiating module 6.

Further, the overcurrent and overvoltage protective module 13 is low-voltage circuit breaker.

By the way that low-voltage circuit breaker is arranged, overload protection can be carried out to circuit.

More specifically, 380V three-phase alternating-current supply is made to pass through on-load switch module 12 and overcurrent and overvoltage protective module 13, from And can when the component in circuit sends heavy overload or short circuit or the failures such as under-voltage, can automatic shutdown circuit, Realize the security function automatically powered off.

Further, the frequency control module 2 is frequency converter, and the frequency control module 2 is also connected with for controlling State the start-stop button and acousto-optic monitoring of motor module 3.

More specifically, the acousto-optic monitoring is combined aural and visual alarm.

More specifically, start-stop button and acousto-optic monitoring are connected in frequency control module 2, it can be with real-time control motor 1 Operating, and by combined aural and visual alarm come real-time alert circuit abnormality.

Further, the rectification module 4 is transformer, and the primary coil two ends of the rectification module 4 are separately connected Pass through the temperature control in a remaining firewire cable and zero curve cable, the anode of the secondary coil of the rectification module 4 Module 5 is connect with the radiating module 6, and the cathode of the secondary coil of the rectification module 4 directly connects with the radiating module 6 It connects, the output voltage of the rectification module 4 is 24V.

Further, the radiating module 6 is heat emission fan.

More specifically, the voltage rating of common heat emission fan is 24V, so the rectification module 4 use output voltage for The transformer of 24V, to avoid the need for other external power supplys to control heat emission fan.

Further, the temperature control module 5 is mechanical thermostat.

More specifically, temperature controller has the function of that thermometric, setting amount temperature carry out control circuit connection and disconnect, to realize The utility model needs the function of realizing.

For those skilled in the art, it can make other each according to the above description of the technical scheme and ideas Kind is corresponding to be changed and deforms, and all these change and deform the guarantor that all should belong to the utility model claims Within the scope of shield.

Claims

1. a kind of circuit for controlling motor with temperature control, including power supply output module (1), frequency control module (2), motor module (3), rectification module (4) and radiating module (6), the output end of the power supply output module (1) are connected with frequency control mould in parallel Block (2) and rectification module (4), the frequency control module (2) connect with motor module (3), the rectification module (4) with it is described Radiating module (6) connection, it is characterised in that: be also connected with temperature control module (5) between the rectification module (4) and radiating module (6).

2. a kind of circuit for controlling motor with temperature control as described in claim 1, it is characterised in that: the power supply output module It (1) include power module (11), on-load switch module (12) and overcurrent and overvoltage protective module (13), the power module (11) is 380V three-phase alternating-current supply, power module (11) output end are connect with the on-load switch module (12), and the load is opened Close module (12) output end connect with the overcurrent and overvoltage protective module (13), the overcurrent and overvoltage protective module (13) it is defeated Outlet is the output end of the power supply output module (1).

3. a kind of circuit for controlling motor with temperature control as claimed in claim 2, it is characterised in that: power module (11) packet Include a 380V three-phase alternating-current supply, three firewire cables, a zero curve cable and a ground wire cable, two of them firewire electricity Cable and zero curve cable connect the change via the on-load switch module (12) and the overcurrent and overvoltage protective module (13) respectively The input terminal of frequency control module (2) connects, and ground wire cable connect ground connection with frequency control module (2)；A remaining firewire electricity Cable is connect by the overcurrent and overvoltage protective module (13) with the input terminal of the rectification module (4), and the zero curve cable is successively It is also connect with the input terminal of the rectification module (4) after the on-load switch module (12) and overvoltage protective module (13), The ground wire cable connect ground connection with the radiating module (6).

4. a kind of circuit for controlling motor with temperature control as claimed in claim 2, it is characterised in that: the over-current over-voltage protection mould Block (13) is low-voltage circuit breaker.

5. a kind of circuit for controlling motor with temperature control as described in claim 1, it is characterised in that: the frequency control module It (2) is frequency converter, the frequency control module (2) is also connected with start-stop button and acousto-optic for controlling the motor module (3) Monitoring.

6. a kind of circuit for controlling motor with temperature control as claimed in claim 3, it is characterised in that: the rectification module (4) is Transformer, the primary coil two ends of the rectification module (4) are connected to a remaining firewire cable and zero curve The anode of cable, the secondary coil of the rectification module (4) is connect by the temperature control module (5) with the radiating module (6), The cathode of the secondary coil of the rectification module (4) is directly connect with the radiating module (6), the rectification module (4) it is defeated Voltage is 24V out.

7. a kind of circuit for controlling motor with temperature control as described in claim 1, it is characterised in that: the radiating module (6) is Heat emission fan.

8. a kind of circuit for controlling motor with temperature control as described in claim 1, it is characterised in that: the temperature control module (5) is Mechanical thermostat.