CN211207166U - Motor synchronous test control device - Google Patents
Motor synchronous test control device Download PDFInfo
- Publication number
- CN211207166U CN211207166U CN201922246112.6U CN201922246112U CN211207166U CN 211207166 U CN211207166 U CN 211207166U CN 201922246112 U CN201922246112 U CN 201922246112U CN 211207166 U CN211207166 U CN 211207166U
- Authority
- CN
- China
- Prior art keywords
- frequency converter
- motor
- electrically connected
- programmable
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Multiple Motors (AREA)
Abstract
The utility model discloses a synchronous test control device of a motor, which comprises a plurality of programmable controllers, wherein the programmable controllers adopt different models, a controller selector switch electrically connected with power input ports of the programmable controllers, and a control power supply electrically connected with the controller selector switch; the first frequency converter group is connected with a main power supply and comprises a first frequency converter and a second frequency converter, the first frequency converter is used for being electrically connected with and controlling a first motor, and the second frequency converter is used for being electrically connected with and controlling a second motor; the motor control system comprises a first sensor and a second sensor, wherein the first sensor is used for detecting running state signals of a first motor, the second sensor is used for detecting running state signals of a second motor, the first sensor is electrically connected with a first signal input port of each programmable controller, and the second sensor is electrically connected with a second signal input port of each programmable controller. The method has the advantages of no need of changing the circuit and saving the test time.
Description
Technical Field
The utility model relates to a platform jacking equipment field especially relates to a motor synchronous test controlling means.
Background
The platform lifting equipment is driven by a first motor and a second motor which are respectively arranged at the left side and the right side, as shown in figure 3, the two sides synchronously drag cables to drive the middle lifting platform to lift. And whether the first motor 60 and the second motor 61 can realize synchronous lifting of the lifting platform is related to industrial control equipment for controlling the first motor and the second motor, if differences exist between operation parameters of the motors in the standard frequency converter in the process of controlling the first motor and the second motor by adopting programmable controllers of different models and the standard frequency converter in a matching manner, the two detected programmable controllers are not interchangeable when used with the standard frequency converter. And similarly, when the detected operating parameters are not different, the two programmable controllers and the standard frequency converter can be judged to be interchangeable when in use.
The existing testing device is only provided with one programmable controller and two corresponding frequency converters, each testing device has an independent function, and when the programmable controllers of different brands are used for testing, a circuit needs to be changed or an independent testing device needs to be newly added, so that the circuit changing efficiency is low, and the universality is not strong.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned prior art not enough, the utility model aims to provide a synchronous test control device of motor through setting up a plurality of programmable controllers, corresponding programmable controller access circuit is carried out to rethread controller select switch, aims at solving current independent testing arrangement need change the circuit and inefficiency when testing between the programmable controllers of different brands, independent testing arrangement commonality not strong problem.
The technical scheme of the utility model as follows:
a synchronous test control device for a motor comprises a plurality of programmable controllers, a controller selection switch and a control power supply, wherein the programmable controllers are of different models, and the controller selection switch is electrically connected with power supply input ports of the programmable controllers;
the first frequency converter group is connected with a main power supply and comprises a first frequency converter and a second frequency converter, the first frequency converter is used for being electrically connected with and controlling a first motor, and the second frequency converter is used for being electrically connected with and controlling a second motor;
the motor control system comprises a first sensor and a second sensor, wherein the first sensor is used for detecting running state signals of a first motor, the second sensor is used for detecting running state signals of a second motor, the first sensor is electrically connected with a first signal input port of each programmable controller, and the second sensor is electrically connected with a second signal input port of each programmable controller.
Furthermore, the control output ends of the plurality of programmable controllers are electrically connected with the control input end of the first frequency converter and the control input end of the second frequency converter, and one electrified programmable controller in the plurality of programmable controllers controls the first frequency converter and the second frequency converter to execute the same instruction at the same time.
Furthermore, the system also comprises a switch, wherein the switch is electrically connected between the programmable controller and the control input end of the first frequency converter and between the programmable controller and the control input end of the second frequency converter.
Furthermore, a plurality of programmable controllers are electrically connected with the same indicator light, a plurality of programmable controllers are electrically connected with the same touch screen, and a plurality of programmable controllers are electrically connected with the same control button.
Further, still including electric connection the converter select switch between main power source and the first converter group, electric connection has the second converter group on the converter select switch, be provided with third converter and fourth converter in the second converter group, the first motor of third converter electric connection, fourth converter electric connection second motor, the second converter group with the converter of different brands is adopted to the first converter group.
The first motor is electrically connected with the first frequency converter group, the second motor is electrically connected with the second frequency converter group, and the third frequency converter group is electrically connected with the frequency converter selection switch and comprises a fifth frequency converter and a sixth frequency converter; the first frequency converter group, the second frequency converter group and the third frequency converter group adopt frequency converters of different brands.
Further, a first control switch is electrically connected between the first frequency converter and the first motor, and a second control switch is electrically connected between the second frequency converter and the second motor;
a third control switch is electrically connected between the third frequency converter and the first motor, and a fourth control switch is electrically connected between the fourth frequency converter and the second motor;
a fifth control switch is electrically connected between the fifth frequency converter and the first motor, and a sixth control switch is electrically connected between the sixth frequency converter and the second motor.
Further, the plurality of programmable controllers comprise a first programmable controller, a second programmable controller and a third programmable controller, wherein the first programmable controller adopts a Siemens programmable controller, the second programmable controller adopts an AB programmable controller, and the third programmable controller adopts a Fufu programmable controller;
the frequency converters in the first frequency converter group are Siemens frequency converters, the frequency converters in the second frequency converter group are AB frequency converters, and the frequency converters in the third frequency converter group are SEW frequency converters.
Further, the first inductor includes a first pullwire encoder and the second inductor includes a second pullwire encoder.
The electric box comprises a first electric box, a second electric box, a third electric box and a fourth electric box; touch-sensitive screen, pilot lamp, control button, a plurality of programmable controller, switch, controller select switch, converter select switch are located in first electric box, first converter group is located in the second electric box, second converter group is located in the third electric box, the third converter group is located in the fourth electric box.
Compared with the prior art, the utility model provides a synchronous test control device of motor, select to switch between a plurality of programmable controllers through controller selector switch, the first converter group is controlled respectively to different programmable controllers, the rotation of first motor and control second motor is controlled respectively through first converter and second converter in the first converter group, the running state of first motor is inducted through the first inductor, the running state of second motor is inducted through the second inductor, thus the signal that first inductor inducted is passed back to programmable controller, and confirm whether this programmable controller matches with first converter group, first motor, second motor, realize the detection of programmable controller of different brands, the circuit need not change during the test between programmable controller of different brands, save test time, the detection efficiency is improved, the method is suitable for programmable controllers of various brands, and the universality is high.
Drawings
Fig. 1 is a schematic block diagram of an embodiment of a synchronous motor test control device according to the present invention;
fig. 2 is a schematic block diagram of a control signal transmission portion of an embodiment of a synchronous motor test control device according to the present invention;
FIG. 3 is a schematic diagram of the application under test;
the reference numbers in the figures: 10. a first programmable controller; 11. a second programmable controller; 13. a third programmable controller; 20. a controller selection switch; 30. controlling a power supply; 31. a main power supply; 40. a frequency converter selection switch; 41. a first frequency converter; 42. a second frequency converter; 43. a third frequency converter; 44. a fourth frequency converter; 45. a fifth frequency converter; 46. a sixth frequency converter; 50. a first inductor; 51. a second inductor; 60. a first motor; 61. a second motor; 70. an indicator light; 71. a touch screen; 72. a control button; 73. a switch; 80. a first control switch; 81. a second control switch; 82. a third control switch; 83. a fourth control switch; 84. a fifth control switch; 85. a sixth control switch; 90. a first electrical box; 91. a second electrical box; 92. a third electrical box; 93. and a fourth electric box.
Detailed Description
The utility model provides a synchronous test control device of motor, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following reference is made to the drawing and the example is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the present invention provides a synchronous testing control device for a motor, comprising a plurality of programmable controllers (a plurality of P L C) of different types, a plurality of programmable controllers including a first programmable controller 10, a second programmable controller 11, and a third programmable controller 13, the first programmable controller 10 being a siemens programmable controller, the second programmable controller 11 being an AB programmable controller, the third programmable controller 13 being a multiplying programmable controller, a controller selector 20 electrically connected to a power input port of the plurality of programmable controllers, the controller selector 20 being a manual knob selector, the controller selector 20 selecting one of the first programmable controller 10, the second programmable controller 11, and the third programmable controller 13, the controller selector 20 being electrically connected to a control power supply 30, the control power supply 30 generally being 24V, the control power supply 30 being one of the plurality of programmable controllers, the controller 20 providing a power supply or a main power supply to one of the plurality of programmable controllers, or a main power supply to the first programmable controller 31, the second programmable controller 13, the controller being electrically connected to a control power supply 31, the second programmable controller, the controller 13, the controller selector 20 being electrically connected to a controller, the controller selector 20 being capable of detecting a first programmable controller induction signal, the second programmable controller 31 being electrically connected to a second programmable controller, the controller being capable of detecting a first programmable controller induction signal, the second programmable controller being capable of detecting the operation state of detecting the synchronous operation state of the synchronous operation of the synchronous motor, the synchronous operation of.
The working principle is as follows: the controller selection switch 20 is used for selectively switching among a plurality of programmable controllers, different programmable controllers are respectively used for controlling a first frequency converter group, a first frequency converter 41 and a second frequency converter 42 in the first frequency converter group are respectively used for controlling a first motor 60 and controlling the rotation of a second motor 61, a first inductor 50 is used for inducing the running state of the first motor 60, a second inductor 51 is used for inducing the running state of the second motor 61, so that signals induced by the first inductor 50 are transmitted back to the programmable controllers, whether the programmable controllers are matched with the first frequency converter group, the first motor 60 and the second motor 61 or not is determined, synchronous running is realized, the detection of programmable controllers of different brands is realized, line change is not needed during the test among the programmable controllers of different brands, the test time is saved, the detection efficiency is improved, and the controller is suitable for the programmable controllers of various brands, the universality is strong.
As shown in fig. 2, during the lifting process, the first frequency converter 41 and the second frequency converter 42 need to be controlled by a program in the programmable controller to perform corresponding motor operations, such as fast rotation, slow rotation, and the like. A wiring connection of the control circuit between the programmable controller and the frequency converter is therefore required. The method specifically comprises the following steps: the control output ends of the plurality of programmable controllers are electrically connected to the control input end of the first frequency converter 41 and the control input end of the second frequency converter 42, and the programmable controllers simultaneously control the first frequency converter 41 and the second frequency converter 42 to execute the same instruction. In order to improve the transmission performance of the control signals of the programmable controller, the first frequency converter 41 and the second frequency converter 42, an exchanger 73 is further provided, and the exchanger 73 is electrically connected between the plurality of programmable controllers and the control input end of the first frequency converter 41 and the control input end of the second frequency converter 42, and is used for data communication between the first frequency converter 41 and the plurality of programmable controllers and data communication between the second frequency converter 42 and the plurality of programmable controllers.
The plurality of programmable controllers are electrically connected to the same indicator light 70, the plurality of programmable controllers are electrically connected to the same touch screen 71, and the plurality of programmable controllers are electrically connected to the same control button 72. Such a touch screen 71, an indicator light 70 and a control button 72 can control the programmable controller powered by the controller selection switch 20 in the plurality of programmable controllers, that is, the plurality of programmable controllers share the touch screen 71, the indicator light 70 and the control button 72, thereby reducing the number of components in the device and saving the cost. The control buttons 72 may implement functions such as start or pause for the corresponding programmable controller. And a buzzer and other elements can be arranged for realizing the alarm function.
As shown in fig. 1, the present embodiment further includes a frequency converter selection switch 40 electrically connected between the main power supply 31 and the first frequency converter group, the frequency converter selection switch 40 is electrically connected to a second frequency converter group, the second frequency converter group is provided with a third frequency converter 43 and a fourth frequency converter 44, the third frequency converter 43 is electrically connected to the first motor 60, the fourth frequency converter 44 is electrically connected to the second motor 61, and the second frequency converter group and the first frequency converter group adopt frequency converters of different brands. Therefore, the frequency converter selection switch 40 can select the first frequency converter group for detection or select the second frequency converter group to be communicated with the main power supply 31 for power supply, and the second frequency converter group and the first frequency converter group adopt frequency converters of different brands, so that the test types of the frequency converters of different brands are increased, and the free combination detection of the frequency converters of different brands and programmable controllers of different brands is realized.
In order to increase the more advanced detection combination manner, the present embodiment further includes a third frequency converter group, the third frequency converter group is electrically connected to the frequency converter selection switch 40, the third frequency converter group includes a fifth frequency converter 45 and a sixth frequency converter 46, the fifth frequency converter 45 is electrically connected to the first motor 60, and the sixth frequency converter 46 is electrically connected to the second motor 61; the first frequency converter group, the second frequency converter group and the third frequency converter group adopt frequency converters of different brands. The frequency converters in the first frequency converter group are siemens frequency converters, that is, the first frequency converter 41 and the second frequency converter 42 are siemens frequency converters. And the frequency converter in the second frequency converter group is an AB frequency converter, and the frequency converter in the third frequency converter group is an SEW frequency converter. And the third frequency converter 43, the fourth frequency converter 44, the fifth frequency converter 45 and the sixth frequency converter 46 are connected to the switch and realize data communication with one electrified programmable controller in the plurality of programmable controllers.
Thus, by adopting three different programmable controllers and three frequency converters of different brands, 9 different industrial control combination modes can be realized. The universality of the detection device is greatly enhanced.
In order to facilitate the connection and disconnection of the circuits between the frequency converters and the first motor 60 and the second motor 61, a first control switch 80 is electrically connected between the first frequency converter 41 and the first motor 60, and a second control switch 81 is electrically connected between the second frequency converter 42 and the second motor 61; a third control switch 82 is electrically connected between the third frequency converter 43 and the first motor 60, and a fourth control switch 83 is electrically connected between the fourth frequency converter 44 and the second motor 61; a fifth control switch 84 is electrically connected between the fifth frequency converter 45 and the first motor 60, and a sixth control switch 85 is electrically connected between the sixth frequency converter 46 and the second motor 61.
In this embodiment, the first inductor 50 includes a first pull encoder, and the second inductor 51 includes a second pull encoder. The first stay wire encoder is arranged at one end of the lifting platform, the second stay wire encoder is arranged at the other end of the lifting platform, and the first motor 60 and the second motor 61 run synchronously to control the lifting platform to ascend or descend. Roughly judging whether the two motors run synchronously or not according to the feedback values of the external first stay wire encoder and the second stay wire encoder; first encoder and the second encoder of acting as go-between plays the guard action simultaneously, because of debugging when unusual lead to the platform slope, the signal contrast difference between first encoder and the second encoder of acting as go-between is too big, can the operation of rapid stop first motor 60 and second motor 61.
The judgment of whether the motor is synchronous can also be realized by that when the frequency converter group connected to the circuit does not give an alarm in the running process of the motor, the computer reads the running parameters of two frequency converters in the electrified frequency converter group, and the load curves (current/torque) at two sides are close, so that the test is considered to be successful.
The first sensor 50 and the second sensor 51 further include a photoelectric sensor, etc., which will not be described in detail.
The programmable controller, the frequency converter, the switch, the motor, the inductor, the controller selection switch 20 and the frequency converter selection switch 40 in this embodiment are all basic elements in the field, and the connection circuit of the specific ports is not described in detail.
The electric cabinet further comprises a first electric cabinet 90, a second electric cabinet 91, a third electric cabinet 92 and a fourth electric cabinet 93; the touch screen 71, the indicator lamp 70, the control button 72, the first programmable controller 10, the second programmable controller 11, the third programmable controller 13, the switch 73, the controller selection switch 20, and the inverter selection switch 40 are located in the first electrical box 90, the first inverter group is located in the second electrical box 91, the second inverter group is located in the third electrical box 92, and the third inverter group is located in the fourth electrical box 93. The arrangement of the first electrical box 90, the second electrical box 91, the third electrical box 92 and the fourth electrical box 93 can facilitate the effective grouping and protection of components.
The working principle of each electric box is as follows: the power supply of the second electric box 91 is controlled by the frequency converter selection switch 40 in the first electric box 90, and the first control switch 80 of the second electric box 91 is used for selectively connecting the first frequency converter 41 with the first motor 60; the second control switch 81 is used to selectively connect the second inverter 42 and the second motor 61, and when the power supply of the second electrical box 91 is normal, the inverter selection switch 40 energizes the second electrical box 91, that is, the main power supply 31 is communicated with the first inverter group, and the first control switch 80 and the second control switch 81 are attracted.
The power supply of the third electric box 92 is controlled by the inverter selecting switch 40 in the first electric box 90, and the third control switch 82 of the third electric box 92 is used for selectively connecting the third inverter 43 with the first motor 60; the fourth control switch 83 is used to selectively connect the fourth inverter 44 and the second motor 61, and when the power supply of the third electric box 92 is normal, i.e. the main power supply 31 is connected to the second inverter group, the third control switch 82 and the fourth control switch 83 are closed.
The power supply of the fourth electric box 93 is controlled by the frequency converter selection switch 40 in the first electric box 90, and the fifth control switch 84 of the fourth electric box 93 is used for selectively connecting the fifth frequency converter 45 with the first motor 60; the sixth control switch 85 is used for selectively connecting the sixth frequency converter 46 and the second motor 61, and when the power supply of the fourth electric box 93 is normal, that is, the main power supply 31 is connected with the third frequency converter group, the fifth control switch 84 and the sixth control switch 85 are attracted.
In summary, the controller selection switch 20 is used to selectively switch between a plurality of programmable controllers, different programmable controllers are respectively used to control the first frequency converter group, the first frequency converter 41 and the second frequency converter 42 in the first frequency converter group are respectively used to control the rotation of the first motor 60 and the second motor 61, the first inductor 50 is used to induce the running state of the first motor 60, the second inductor 51 is used to induce the running state of the second motor 61, so as to transmit the signal induced by the first inductor 50 back to the programmable controllers, and determine whether the programmable controllers are matched with the first frequency converter group, the first motor 60 and the second motor 61, thereby realizing the detection of programmable controllers of different brands, and the programmable controllers of different brands are tested without changing circuits, saving the test time, improving the detection efficiency, and being suitable for the programmable controllers of multiple brands, the universality is strong.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The motor synchronous test control device is characterized by comprising a plurality of programmable controllers, a controller selection switch and a control power supply, wherein the programmable controllers are of different models, and the controller selection switch is electrically connected with power supply input ports of the programmable controllers;
the first frequency converter group is connected with a main power supply and comprises a first frequency converter and a second frequency converter, the first frequency converter is used for being electrically connected with and controlling a first motor, and the second frequency converter is used for being electrically connected with and controlling a second motor;
the motor control system comprises a first sensor and a second sensor, wherein the first sensor is used for detecting running state signals of a first motor, the second sensor is used for detecting running state signals of a second motor, the first sensor is electrically connected with a first signal input port of each programmable controller, and the second sensor is electrically connected with a second signal input port of each programmable controller.
2. The apparatus according to claim 1, wherein the control outputs of the plurality of programmable controllers are electrically connected to the control input of the first inverter and the control input of the second inverter, and a programmable controller of the plurality of programmable controllers controls the first inverter and the second inverter to execute the same command at the same time.
3. The apparatus according to claim 2, further comprising a switch for data communication, the switch being electrically connected between the plurality of programmable controllers and the control input of the first inverter and the input of the second inverter.
4. The device as claimed in claim 3, wherein the plurality of programmable controllers are electrically connected to a same indicator light, the plurality of programmable controllers are electrically connected to a same touch screen, and the plurality of programmable controllers are electrically connected to a same control button.
5. The device for synchronous testing and controlling of motors according to claim 4, further comprising a frequency converter selection switch electrically connected between the main power supply and the first frequency converter group, wherein the frequency converter selection switch is electrically connected with a second frequency converter group, a third frequency converter and a fourth frequency converter are arranged in the second frequency converter group, the third frequency converter is electrically connected with the first motor, the fourth frequency converter is electrically connected with the second motor, and the second frequency converter group and the first frequency converter group adopt different brands of frequency converters.
6. The device for testing and controlling the motor synchronization of claim 5, further comprising a third inverter group, wherein the third inverter group is electrically connected to the inverter selection switch, the third inverter group comprises a fifth inverter and a sixth inverter, the fifth inverter is electrically connected to the first motor, and the sixth inverter is electrically connected to the second motor; the first frequency converter group, the second frequency converter group and the third frequency converter group adopt frequency converters of different brands.
7. The device for controlling synchronous testing of motors according to claim 6, wherein a first control switch is electrically connected between the first frequency converter and the first motor, and a second control switch is electrically connected between the second frequency converter and the second motor;
a third control switch is electrically connected between the third frequency converter and the first motor, and a fourth control switch is electrically connected between the fourth frequency converter and the second motor;
a fifth control switch is electrically connected between the fifth frequency converter and the first motor, and a sixth control switch is electrically connected between the sixth frequency converter and the second motor.
8. The apparatus according to claim 7, wherein the plurality of programmable controllers includes a first programmable controller, a second programmable controller, and a third programmable controller, the first programmable controller is a siemens programmable controller, the second programmable controller is an AB programmable controller, and the third programmable controller is a bless programmable controller;
the frequency converters in the first frequency converter group are Siemens frequency converters, the frequency converters in the second frequency converter group are AB frequency converters, and the frequency converters in the third frequency converter group are SEW frequency converters.
9. The apparatus of claim 1, wherein the first inductor comprises a first pull encoder and the second inductor comprises a second pull encoder.
10. The synchronous motor test control device of claim 6, further comprising a first electrical box, a second electrical box, a third electrical box, and a fourth electrical box; touch-sensitive screen, pilot lamp, control button, a plurality of programmable controller, switch, controller select switch, converter select switch are located in first electric box, first converter group is located in the second electric box, second converter group is located in the third electric box, the third converter group is located in the fourth electric box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246112.6U CN211207166U (en) | 2019-12-13 | 2019-12-13 | Motor synchronous test control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246112.6U CN211207166U (en) | 2019-12-13 | 2019-12-13 | Motor synchronous test control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211207166U true CN211207166U (en) | 2020-08-07 |
Family
ID=71863156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922246112.6U Active CN211207166U (en) | 2019-12-13 | 2019-12-13 | Motor synchronous test control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211207166U (en) |
-
2019
- 2019-12-13 CN CN201922246112.6U patent/CN211207166U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211207166U (en) | Motor synchronous test control device | |
| CN204256475U (en) | Transformer air-cooled control system | |
| CN206684537U (en) | Multifunctional ligand electric controller | |
| CN103821996B (en) | A kind of solenoid directional control valve group controller and control method thereof | |
| CN206111507U (en) | Pump control system based on soft starter | |
| KR101103622B1 (en) | Motor control center using harness connectinon for stardinizing power control | |
| CN205721137U (en) | A kind of KNX home control circuit | |
| CN109955239B (en) | Distributed control system and robot equipment | |
| CN104111623B (en) | Mechanical control equipment and protection circuit thereof | |
| CN208737262U (en) | Logistics is driven multi-point control device | |
| CN104635809B (en) | Cluster well heating sucker rod frequency modulation circulating-heating remote control | |
| CN203191861U (en) | Frequency automatic setting system of delinter seed feeding mechanism | |
| CN111747249A (en) | Electric control system of 220V-to-380V lifting platform | |
| CN204481734U (en) | Intelligent motor controller | |
| CN212845647U (en) | Frequency converter test system | |
| CN109960183B (en) | Distributed control system and robot equipment | |
| CN210578331U (en) | Six-axis drive and control integrated cabinet circuit structure | |
| CN215643190U (en) | Real teaching device that instructs | |
| CN211086472U (en) | Multi-gear direct-current voltage detection device for electromagnetic clutch motor | |
| CN214269979U (en) | Automatic debugging device and system for electrical cabinet of crane | |
| CN202268863U (en) | Contactless controller | |
| CN112242800B (en) | Multi-motor electric control system | |
| CN203616438U (en) | Output isolation-type power-source PCB connecting board testing circuit | |
| CN204168191U (en) | A kind of tapping control device for direct-current brushless motor | |
| CN203399032U (en) | Motor control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |