CN210578317U - Soft starting device - Google Patents
Soft starting device Download PDFInfo
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- CN210578317U CN210578317U CN201921651182.3U CN201921651182U CN210578317U CN 210578317 U CN210578317 U CN 210578317U CN 201921651182 U CN201921651182 U CN 201921651182U CN 210578317 U CN210578317 U CN 210578317U
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- controller
- wireless communication
- communication module
- soft
- serial port
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Abstract
The utility model provides a soft start device, include: the system comprises a soft starter, a current transformer, a temperature sensor and a wireless communication module, wherein the soft starter comprises a controller; the controller is electrically connected with the current transformer, the temperature sensor and the wireless communication module respectively; the current transformer is connected with the control circuit of the soft starter in series and used for detecting the current value of the control circuit and sending the current value to the controller; the temperature sensor is fixed on the surface of the controller and used for sensing the temperature of the controller and sending the temperature to the controller; the controller is in communication connection with the outside and is used for sending the received current value and the temperature to the wireless communication module; and the wireless communication module is used for sending the received current value and the temperature to the outside. The utility model provides a scheme can improve soft starter monitoring efficiency effectively.
Description
Technical Field
The utility model relates to an electromechanical technical field, in particular to soft starting drive.
Background
In the starting process of an asynchronous motor widely used in industry, a soft starter plays a very important role. The control device can control the soft start and the soft stop of the motor, so that the motor can be started or stopped smoothly without impact, and meanwhile, the motor can be protected in a multifunctional way. In order to ensure that the soft starter can normally operate, the soft start detection or debugging of the soft starter is an essential procedure in the production or maintenance process of the soft starter.
Currently, the monitoring or debugging process of the soft starter is mainly implemented based on a device interface arranged on the soft starter. Namely, the external operation device or the display module is connected to the device interface through a data line or a cable, so as to transmit the configured parameters through the line or the cable and receive the state data, the fault information or the alarm information and the like sent by the soft starter. Due to the limitation of the number of interfaces of the external operating device or the display module, the number of soft starters connectable to one external operating device or one display module is very limited in the soft start detection or debugging process, which results in low monitoring or debugging efficiency of the soft starter.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention solves the above and/or other technical problems and provides a soft start device, which enables the soft start device to communicate with the outside in a wireless manner, and the wireless communication enables more soft start devices to communicate with the outside at the same time, thereby effectively improving the monitoring efficiency of the soft start device.
In a first aspect, an embodiment of the present invention provides a soft start device, including: a soft starter, a current transformer, a temperature sensor and a wireless communication module,
the soft starter comprises a controller;
the controller is electrically connected with the current transformer, the temperature sensor and the wireless communication module respectively;
the current transformer is connected with the control circuit of the soft starter in series and used for detecting the current value of the control circuit and sending the current value to the controller;
the temperature sensor is fixed on the surface of the controller and used for sensing the temperature of the controller and sending the temperature to the controller;
the controller is used for receiving the current value sent by the current transformer and the temperature value sent by the temperature sensor and sending the received current value and temperature to the wireless communication module;
and the wireless communication module is in communication connection with the outside and is used for receiving the current value and the temperature value sent by the controller and sending the current value and the temperature value to the outside.
In a first possible implementation manner, according to the soft start apparatus provided by the first aspect,
the controller includes: a UART asynchronous serial port;
the wireless communication module includes: and the wireless transceiver is connected with the UART asynchronous serial port.
In a second possible implementation manner, according to the soft start apparatus provided by the first aspect,
the wireless communication module includes: the serial port expansion module and the wireless transceiver are connected with a first serial port of the serial port expansion module;
and the second serial port of the serial port expansion module is connected with the serial port of the controller.
In a third possible implementation manner, according to the soft start apparatus provided by the first aspect,
the wireless communication module includes: the adapter and the wireless transceiver connected with the UART asynchronous serial port of the adapter;
the adapter is connected to the device interface of the controller.
In a fourth possible implementation manner, with reference to the soft-start apparatus provided in any one of the first aspect, the first possible implementation manner, the second possible implementation manner, and the third possible implementation manner,
the controller includes: any one of ATSAM4S series chips.
The embodiment of the utility model provides a soft starting device, include: the soft starter comprises a soft starter, a current transformer, a temperature sensor and a wireless communication module, wherein the wireless communication module of the soft starter is in wireless communication connection with the outside; the current value that current transformer detected and the temperature that temperature sensor sensing arrived send for the controller, and the controller sends current value and temperature for wireless communication module, and wireless communication module sends current value and temperature for the outside, realizes carrying out the information interaction through wireless mode and outside, compares with wired connection, and wireless communication can make more soft starting device simultaneously with external communication, consequently, can improve soft starter monitoring efficiency effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a soft start device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another soft start device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another soft start device according to an embodiment of the present invention.
List of reference numerals:
100: soft-start apparatus 101: soft starter 1011: controller
102: the current transformer 103: temperature sensor 104: wireless communication module
1041: the wireless transceiver 1042: serial port extension module 1043: adapter
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
The embodiment of the utility model provides a soft starting device refers to and is applied to among the three-phase asynchronous AC motor, carries out the equipment of soft start to three-phase asynchronous AC motor.
As shown in fig. 1, an embodiment of the present invention provides a soft start apparatus 100, including: a soft starter 101, a current transformer 102, a temperature sensor 103 and a wireless communication module 104,
the soft starter 101 comprises a controller 1011;
the controller 1011 is electrically connected with the current transformer 102, the temperature sensor 103 and the wireless communication module 104 respectively;
the current transformer 102 is connected in series with the control circuit of the soft starter 101, and is used for detecting the current value of the control circuit and sending the current value to the controller 1011;
a temperature sensor 103 fixed to a surface of the controller 1011 for sensing a temperature of the controller 1011 and transmitting the temperature value to the controller 1011;
the controller 1011 is configured to receive a current value sent by the current transformer and a temperature value sent by the temperature sensor, and send the received current value and temperature value to the wireless communication module 104;
and the wireless communication module 104 is in communication connection with the outside, and is used for receiving the current value and the temperature value sent by the controller 1011 and sending the current value and the temperature value to the outside.
In the embodiment shown in fig. 1, the soft start apparatus includes: the soft starter comprises a soft starter, a current transformer, a temperature sensor and a wireless communication module, wherein the wireless communication module of the soft starter is in wireless communication connection with the outside; the current value that current transformer detected and the temperature that temperature sensor sensing arrived send for the controller, and the controller sends current value and temperature for wireless communication module, and wireless communication module sends current value and temperature for the outside, realizes carrying out the information interaction through wireless mode and outside, compares with wired connection, and wireless communication can make more soft starting device simultaneously with external communication, consequently, can improve soft starter monitoring efficiency effectively.
The control circuit of the soft starter 101 is a circuit for supplying a starting current to an external ac motor.
The surface of the controller 1011 to which the temperature sensor 103 is fixed may be the surface of the controller 1011 to which the temperature sensor 103 is adhered, or the surface of the controller 1011 to which the temperature sensor 103 is welded.
The communication protocol of the wireless communication module 104 for communication connection with the outside, such as a terminal, may be an existing communication protocol. For example, the wireless communication module 104 communicates with an external terminal or the like. The client or software required by the external terminal may be determined from the soft starter 101, and there is already a client or software corresponding to the soft starter in the prior art, for example, the software corresponding to the soft starter SIRIUS 3RW44 is "soft starter ES", which may observe and configure the parameters. Using this software, all equipment failures, general failures, warnings and specific operations are recorded and saved by running the log-in state statistics. Wireless communication can be realized only by configuring a communication protocol for the client and the wireless communication module.
In order to better provide service for a user and facilitate the user to check, the terminal is a mobile terminal. A user can carry the mobile terminal to move in a certain area range, and the user is guaranteed to obtain a monitoring or debugging result in time in the area range.
In addition, the current value and the temperature are sent to the terminal, and the terminal can transmit the field data to the data storage of the cloud server, so that some typical data are saved. Since the start-up characteristics are important for soft start. Existing soft-start modes such as a start diagonal with start data analysis of a start characteristic curve, typical start current characteristics and typical start torque characteristics of a three-phase asynchronous motor are stored in a data memory deployed on a cloud server. Analysis of the field data based on these stored characteristics can be accomplished by a number of techniques known in the art. The cloud server sends the analysis result back to the terminal and displays the analysis result on the terminal. The state parameters of the soft starter can be analyzed quickly based on analysis and diagnosis of the cloud server, so that faults can be diagnosed and positioned accurately, and the diagnosis result and the positioned faults are transmitted to the terminal for the user to check in time.
The soft starter 101 provided in the above embodiment may be directly selected from the existing soft starter, such as SIRIUS 3RW 44. The soft starter can comprise a state interface, an HMI interface, a PROFIBUS interface and the like, wherein the HMI interface is connected with a display panel carried by the soft starter, the PROFIBUS interface is connected with a host machine such as SIMATIC S7 through a PROFIBUS protocol, and the state interface can be connected with a diode so as to indicate the running condition such as running fault, normal running and the like through the diode.
In addition, the wireless communication module 104 may further be configured to receive a setting parameter sent from the outside, and send the setting parameter to the controller 1011, so as to implement the external regulation and control soft start apparatus 100.
In order to adapt to different types of soft starters, the wireless communication module can have three specific structures according to the position difference between the soft starters and the wireless communication module.
The first structure of the wireless communication module is as follows: to a controller having a UART asynchronous serial port.
The wireless communication module 104 includes: a first wireless transceiver 1041 connected to the UART asynchronous serial port of the controller.
The wireless communication module structure two:
as shown in fig. 2, the wireless communication module 104 includes: a serial port expansion module 1042 and a wireless transceiver 1041 connected with a first serial port of the serial port expansion module 1042;
the second serial port of the serial port expansion module 1042 is connected to the serial port of the controller 1011.
For the controller with UART asynchronous serial port, the first wireless communication module structure and the second wireless communication module structure can exist at the same time or only one.
The first wireless communication module structure and the second wireless communication module structure can be located in the shell where the soft starter 101 is located, the appearance structure of the soft starter cannot be changed, the wireless communication module is hidden in the shell where the soft starter is located, and the integrity of the appearance structure of the soft starter is guaranteed while wireless communication is achieved.
The wireless communication module has a third structure: aiming at the externally hung wireless communication module.
In an embodiment of the present invention, as shown in fig. 3, the wireless communication module 104 includes: an adaptor 1043 and a wireless transceiver 1041 connected to the UART asynchronous serial port of the adaptor 1043,
the adaptor 1043 is connected to a device interface of the controller 1011.
In addition, an adaptor 1043 and a second wireless transceiver 1044 are fixed to the outer side wall of the casing of the soft starter 101. On the one hand, the adapter can be avoided rocking the connection that arouses with second wireless transceiver not hard up to avoid communication interruption. On the other hand, the adaptor 1043 and the second wireless transceiver 1044 are fixed on the outer sidewall of the casing of the soft starter 101, which facilitates the manipulation of the adaptor and the second wireless transceiver. The adapter 1043 and the second wireless transceiver 1044 may be fixed to the soft starter by means of an anchor such as a screw, or may be fixed by adhesion. Protrusions may also be provided on the outer side wall of the housing of the soft starter 101 to suspend the adapter 1043 and the second wireless transceiver 1044 on the protrusions, etc.
Further, it is preferable that the controller 1011 includes: any one of ATSAM4S series chips such as ATSAM4S 16C.
The utility model provides a soft start device has following beneficial effect at least:
1. the utility model provides a soft start device, include: the soft starter comprises a soft starter, a current transformer, a temperature sensor and a wireless communication module, wherein the wireless communication module of the soft starter is in wireless communication connection with the outside; the current value that current transformer detected and the temperature that temperature sensor detected send for the controller, and the controller sends current value and temperature for wireless communication module, and wireless communication module sends current value and temperature for the outside, realizes carrying out the information interaction through wireless mode and outside, compares with wired connection, and wireless communication can make more soft starting device simultaneously with external communication, consequently, can improve soft starter monitoring and debugging efficiency effectively.
2. In the soft start device provided by this embodiment, the wireless communication module may have three specific structures, where the first structure is that a serial port extension module of the wireless communication module is connected with a serial port of the controller, and a wireless transceiver of the wireless communication module is connected with a serial port on the serial port extension module; the second structure is that the serial port of the wireless transceiver of the wireless communication module is connected with the UART asynchronous serial port on the controller; the adapter of the wireless communication module is connected with the equipment interface on the controller, and the serial port of the wireless transceiver of the wireless communication module is connected with the UART asynchronous serial port of the adapter, so that the configuration of the wireless communication module has flexibility and selectivity.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only the preferred embodiment of the present invention, which is only used to illustrate the technical solution of the present invention, and is not used to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention is included in the protection scope of the present invention.
Claims (5)
1. A soft start apparatus, comprising: a soft starter (101), a current transformer (102), a temperature sensor (103) and a wireless communication module (104),
the soft starter (101) comprises a controller (1011), and the controller (1011) is respectively connected with the current transformer (102), the temperature sensor (103) and the wireless communication module (104);
the current transformer (102) is connected in series with a control circuit of the soft starter (101) and used for detecting a current value of the control circuit and sending the current value to the controller (1011);
the temperature sensor (103) is fixed on the surface of the controller (1011) and used for sensing the temperature value of the controller (1011) and sending the temperature value to the controller (1011);
the controller (1011) is configured to receive the current value sent by the current transformer (102) and the temperature value sent by the temperature sensor (103), and send the current value and the temperature value to the wireless communication module (104);
the wireless communication module (104) is in communication connection with the outside, and is used for receiving the current value and the temperature value sent by the controller (1011) and sending the current value and the temperature value to the outside.
2. The soft start apparatus of claim 1,
the controller (1011) comprises: a UART asynchronous serial port;
the wireless communication module (104) comprises: and a wireless transceiver (1041) connected to the UART asynchronous serial port.
3. The soft start apparatus of claim 1,
the wireless communication module (104) comprises: the device comprises a serial port expansion module (1042) and a wireless transceiver (1041) connected with a first serial port of the serial port expansion module (1042);
and a second serial port of the serial port expansion module (1042) is connected with a serial port of the controller (1011).
4. The soft start apparatus of claim 1,
the wireless communication module (104) comprises: an adapter (1043) and a wireless transceiver (1041) connected to the UART asynchronous serial port of the adapter (1043),
the adapter (1043) is connected to a device interface of the controller (1011).
5. Soft start device according to one of claims 1 to 4,
the controller (1011) further comprises: any one of ATSAM4S series chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651182.3U CN210578317U (en) | 2019-09-29 | 2019-09-29 | Soft starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921651182.3U CN210578317U (en) | 2019-09-29 | 2019-09-29 | Soft starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210578317U true CN210578317U (en) | 2020-05-19 |
Family
ID=70658974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921651182.3U Expired - Fee Related CN210578317U (en) | 2019-09-29 | 2019-09-29 | Soft starting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210578317U (en) |
-
2019
- 2019-09-29 CN CN201921651182.3U patent/CN210578317U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |