CN209562145U - A kind of intelligent contactor system of motor - Google Patents
A kind of intelligent contactor system of motor Download PDFInfo
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- CN209562145U CN209562145U CN201920625338.4U CN201920625338U CN209562145U CN 209562145 U CN209562145 U CN 209562145U CN 201920625338 U CN201920625338 U CN 201920625338U CN 209562145 U CN209562145 U CN 209562145U
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- motor
- control
- noncontacting switch
- control module
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Abstract
The utility model provides a kind of intelligent contactor system of motor, comprising: input port, output port, acquisition module, control module, electric motor protective device and noncontacting switch module.The input terminal of the noncontacting switch module is connected with the input port, and the noncontacting switch module is connected with the output port, and the control terminal of the noncontacting switch module is connected with the output end of the control module.The output end of the acquisition module is connected with the input terminal of the control module, and the acquisition module is used to acquire the detection signal of the electric motor protective device output.The electric motor protective device is used to detect the working condition of motor, and the detection signal is exported when motor overloads and carries out fault alarm.The control module is used to control the on-off of the noncontacting switch module according to the detection signal, to control being electrically connected for the input port and the output port.The utility model can improve the intelligence and safety of contactor.
Description
Technical field
The utility model relates to technical field of electric equipment more particularly to a kind of intelligent contactor systems of motor.
Background technique
Being widely used at present in the device that motor control and motor overload are protected is contactor and motor thermal overload protection.It passes
The A.C. contactor of system is mainly made of electromagnetic system, arc quenching system and mechanical part.When the contactor line of A.C. contactor
When circle is powered, the contact closure of A.C. contactor, powering load cuts off and powers to the contactor coil of A.C. contactor, hands over
The contact for flowing contactor separates under tension force of spring, cuts off the power supply of load, therefore existing A.C. contactor only plays one
Common on/off effect does not detect voltage, electric current, overload protection and needs in addition to choose device to realize overload protection
Function.It is currently used in the device of protection motor, is usually made of multiple devices such as contactor and overload protection arrangement, without
Ji, wiring is cumbersome, greatly occupies the space of control facility.Voltage is detected, electric current needs that other device is selected to realize.Together
When, after motor overload protection, hand-reset is needed, needs the regular hour that can just restore to overload, easily causes high labor cost,
The problem of device occupied space is big and poor safety performance.
Utility model content
The utility model provides a kind of intelligent contactor system of motor, and solution traditional contactors occupied space is big, pacifies
Full performance and the low problem of integrated level, can improve the intelligence and safety of contactor.
In order to achieve the above object, this reality it is novel the following technical schemes are provided:
A kind of intelligent contactor system of motor, comprising: input port, output port, acquisition module, control module,
Electric motor protective device and noncontacting switch module；
The input terminal of the noncontacting switch module is connected with the input port, the noncontacting switch module with it is described
Output port is connected, and the control terminal of the noncontacting switch module is connected with the output end of the control module；
The output end of the acquisition module is connected with the input terminal of the control module, and the acquisition module is for acquiring institute
State the detection signal of electric motor protective device output；
The electric motor protective device is used to detect the working condition of motor, and the detection letter is exported when motor overloads
Number carry out fault alarm；
The control module is used to control the on-off of the noncontacting switch module according to the detection signal, to control
State being electrically connected for input port and the output port.
Preferably, the acquisition module includes: current detection module, voltage detection module and temperature detecting module；
The current detection module is used to determine the three-phase electricity flow valuve of motor according to the detection signal；
The voltage detection module is used to determine the operating voltage of motor according to the detection signal；
The temperature detecting module is used to determine the operating temperature of motor according to the detection signal；
The control module controls the oncontacting according to the three-phase electricity flow valuve, the operating voltage or the operating temperature
Point switch module is turned on or off.
Preferably, further includes: counter；
The counter is connect with the control module signal, for the on-off number to the noncontacting switch module into
Row counts.
Preferably, further includes: display module；
The display module is connect with the control module signal, for showing the on-off number, the three-phase current
Value, the operating voltage and/or the operating temperature.
Preferably, further includes: communication module；
The communication module is connect with the control module signal, for by the on-off number, the three-phase electricity flow valuve,
Network is sent to display on preset user terminal or reports by wireless communication for the operating voltage and/or the operating temperature
It is alert.
Preferably, the noncontacting switch module includes: switching circuit；
The switching circuit includes at least following any switching tube: optocoupler triode, metal-oxide-semiconductor and insulated gate bipolar transistor
Pipe.
Preferably, the control module is single-chip microcontroller.
Preferably, the electric motor protective device is motor protecter.
The utility model provides a kind of intelligent contactor system of motor, using control module according to electric motor protective device
Detection signal control noncontacting switch module on-off, flow through the current switching of contactor to realize, solve traditional contactors
The problem that occupied space is big, security performance and integrated level are low, can improve the intelligence and safety of contactor.
Detailed description of the invention
It, below will be to needed in the embodiment attached in order to illustrate more clearly of specific embodiment of the utility model
Figure is briefly described.
Fig. 1 is a kind of intelligent contactor system structure diagram of motor provided by the utility model.
Specific embodiment
In order to make those skilled in the art more fully understand the scheme of the utility model embodiment, with reference to the accompanying drawing and
Embodiment is described in further detail the utility model embodiment.
Current motor contactor there are aiming at the problem that, the utility model provides a kind of intelligent contactor system of motor
System is flowed through using control module according to the on-off of the detection signal control noncontacting switch module of electric motor protective device with realizing
The current switching of contactor solves the problems, such as that big traditional contactors occupied space, security performance and integrated level are low, can improve contact
The intelligence and safety of device.
As shown in Figure 1, a kind of intelligent contactor system of motor, comprising: input port, output port, acquisition module,
Control module, electric motor protective device and noncontacting switch module.The input terminal and the input terminal of the noncontacting switch module
Mouthful be connected, the noncontacting switch module is connected with the output port, the control terminal of the noncontacting switch module with it is described
The output end of control module is connected.The output end of the acquisition module is connected with the input terminal of the control module, the acquisition
Module is used to acquire the detection signal of the electric motor protective device output.The electric motor protective device is used to detect the work of motor
State exports the detection signal when motor overloads and carries out fault alarm.The control module is used for according to the inspection
It surveys signal and controls the on-off of the noncontacting switch module, to control being electrically connected for the input port and the output port.
Specifically, external three-phase alternating current is electrically connected by input port with contactor, the output port and electricity of contactor
The three-phase alternating current electrical input of machine is connected, and when noncontacting switch module disconnects, the three-phase alternating current of motor is disconnected, in nothing
When contact switch module is connected, the three-phase alternating current of motor is conducted.Control module controls noncontacting switch mould according to detection signal
The control terminal of block, with realize control signal mouth and output port be electrically connected be turned on or off.It should be noted that control
Module can also carry out current or voltage detection to input port by acquisition module, if the three of the input of the input port
The current value or voltage value of phase alternating current exceed given threshold, then control module control noncontacting switch module disconnects, such as
Current value or voltage value described in fruit are within the scope of secure threshold, then the conducting of control module control noncontacting switch module, makes institute
Input port is stated to be connected with the electrical connection of the output port.
In practical applications, if electric motor protective device is overload protection device, overload protection device can be set as connecing
One small fastener of tentaculum, can be selected by specification.Major loop will be carried out by avoiding traditional contactor and overload protection device
With the wiring of control loop.After being inserted into overload protection fastener, contactor overload protection function is activated.The system can make
Further, the acquisition module includes: current detection module, voltage detection module and temperature detecting module.It is described
Current detection module is used to determine the three-phase electricity flow valuve of motor according to the detection signal.The voltage detection module is used for basis
The detection signal determines the operating voltage of motor.The temperature detecting module is used to determine motor according to the detection signal
Operating temperature.The control module controls the nothing according to the three-phase electricity flow valuve, the operating voltage or the operating temperature
Contact switch module is turned on or off.
In practical applications, when three-phase electricity flow valuve, operating voltage or the operating temperature of motor exceed given threshold, control
Module control noncontacting switch module is turned on or off.It should be noted that voltage detection module, current detection module can also be with
It is a fastener of contactor, matches as needed, be caught in fastener, activates the detection function of voltage or electric current.
The system further include: counter；The counter is connect with the control module signal, for described contactless
The on-off number of switch module is counted.
In practical applications, contactor uses noncontacting switch, configures counting circuit, and accurate counting contactor works the longevity
Life.It is able to use the service condition that family understands contactor in time, to replace or to safeguard in time.
The system further include: display module；The display module is connect with the control module signal, described for showing
On-off number, the three-phase electricity flow valuve, the operating voltage and/or the operating temperature.It should be noted that display module can
It is shown using LCD display.
The system further include: communication module；The communication module is connect with the control module signal, for that described will lead to
Disconnected number, the three-phase electricity flow valuve, the operating voltage and/or the operating temperature by wireless communication network be sent to it is default
User terminal on show or alarm.
In practical applications, contactor is equipped with communication interface, supports wirelessly and wired.By communication module detecting
The electric power such as voltage, electric current, active and reactive, frequency, power factor, zero-sequence current parameter and overload-alarm and contactor service life
Delivering.User receives relevant information by terminal devices such as host computer or mobile phones.After receiving overload protection information,
The parameter that user passes through before checking tripping determines whether to reset failure.If desired, can be by terminal resets overload protection, i.e.,
The connection of the reseting controling end signal of control module and electric motor protective device, control module receive user terminal by communication module and send out
The reset signal sent, and repeatedly electric motor protective device processed is resetted according to reset signal.User is same it can also be seen that contactor
Access times, the time of accurate judgement component failure provides effective foundation for remote fault diagnosis and plant maintenance.
Further, the noncontacting switch module includes: switching circuit；The switching circuit includes at least following any
Switching tube: optocoupler triode, metal-oxide-semiconductor and insulated gate bipolar transistor.In practical applications, noncontacting switch module includes: out
Powered-down road and microcontroller, the microcontroller can be replaced realizing with control module.
In practical applications, the control module can be single-chip microcontroller.The electric motor protective device can be motor protecter.
As it can be seen that the utility model provides a kind of intelligent contactor system of motor, protected using control module according to motor
The on-off of the detection signal control noncontacting switch module of protection unit solves tradition to realize the current switching for flowing through contactor
The problem that contactor occupied space is big, security performance and integrated level are low, can improve the intelligence and safety of contactor.
The structure, features, and effects of the present invention is described in detail according to diagrammatically shown embodiment above, with
Upper described is only the preferred embodiment of the utility model, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to
Change or equivalent example modified to equivalent change made by conception according to the utility model, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (8)
1. a kind of intelligent contactor system of motor characterized by comprising input port, output port, acquisition module,
Control module, electric motor protective device and noncontacting switch module；
The input terminal of the noncontacting switch module is connected with the input port, the noncontacting switch module and the output
Port is connected, and the control terminal of the noncontacting switch module is connected with the output end of the control module；
The output end of the acquisition module is connected with the input terminal of the control module, and the acquisition module is for acquiring the electricity
The detection signal of machine protective device output；
The electric motor protective device is used to detect the working condition of motor, exported when motor overloads the detection signal into
Row fault alarm；
The control module is used to control the on-off of the noncontacting switch module according to the detection signal, described defeated to control
Inbound port is electrically connected with the output port.
2. the intelligent contactor system of motor according to claim 1, which is characterized in that the acquisition module includes:
Current detection module, voltage detection module and temperature detecting module；
The current detection module is used to determine the three-phase electricity flow valuve of motor according to the detection signal；
The voltage detection module is used to determine the operating voltage of motor according to the detection signal；
The temperature detecting module is used to determine the operating temperature of motor according to the detection signal；
The control module contactless is opened according to the control of the three-phase electricity flow valuve, the operating voltage or the operating temperature is described
Close being turned on or off for module.
3. the intelligent contactor system of motor according to claim 2, which is characterized in that further include: counter；
The counter is connect with the control module signal, carry out by the on-off number to the noncontacting switch module based on
Number.
4. the intelligent contactor system of motor according to claim 3, which is characterized in that further include: display module；
The display module is connect with the control module signal, for showing the on-off number, the three-phase electricity flow valuve, institute
State operating voltage and/or the operating temperature.
5. the intelligent contactor system of motor according to claim 4, which is characterized in that further include: communication module；
The communication module is connect with the control module signal, for by the on-off number, the three-phase electricity flow valuve, described
Network is sent to display on preset user terminal or alarms by wireless communication for operating voltage and/or the operating temperature.
6. the intelligent contactor system of motor according to claim 5, which is characterized in that the noncontacting switch module
It include: switching circuit；
The switching circuit includes at least following any switching tube: optocoupler triode, metal-oxide-semiconductor and insulated gate bipolar transistor.
7. the intelligent contactor system of motor according to any one of claims 1 to 6, which is characterized in that the control
Module is single-chip microcontroller.
8. the intelligent contactor system of motor according to any one of claims 1 to 6, which is characterized in that the motor
Protective device is motor protecter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625338.4U CN209562145U (en) | 2019-04-30 | 2019-04-30 | A kind of intelligent contactor system of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920625338.4U CN209562145U (en) | 2019-04-30 | 2019-04-30 | A kind of intelligent contactor system of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209562145U true CN209562145U (en) | 2019-10-29 |
Family
ID=68313173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920625338.4U Active CN209562145U (en) | 2019-04-30 | 2019-04-30 | A kind of intelligent contactor system of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209562145U (en) |
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2019
- 2019-04-30 CN CN201920625338.4U patent/CN209562145U/en active Active
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