CN209640377U - Transformer is transferred the files apparatus and system - Google Patents
Transformer is transferred the files apparatus and system Download PDFInfo
- Publication number
- CN209640377U CN209640377U CN201821867587.6U CN201821867587U CN209640377U CN 209640377 U CN209640377 U CN 209640377U CN 201821867587 U CN201821867587 U CN 201821867587U CN 209640377 U CN209640377 U CN 209640377U
- Authority
- CN
- China
- Prior art keywords
- files
- actuator
- transformer
- module
- gear
- 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
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model provides a kind of transformer and transfers the files apparatus and system；Wherein, which includes controller and actuator；The connection of the gear adjusting knob of actuator and transformer；Controller and actuator communicate to connect；Controller is used to receive the instruction of transferring the files of user's sending, and the instruction that will transfer the files is sent to actuator；Actuator be used for when receive transfer the files instruct when, driving gear adjusting knob rotation, to adjust the gear of transformer.The utility model improves the efficiency that transformer is transferred the files, and reduces human cost.
Description
Technical field
The utility model relates to power industry auxiliary tool technology field, more particularly, to a kind of transformer transfer the files device and
System.
Background technique
Transformer regulating is to adjust the tap of one lateral coil of transformer by tap switch to change the number of turns of coil, is reached
To the purpose for changing output voltage.On-load voltage regulation refers to continuous switch power supply, allow transformer in normal operation, bringing onto load tune
Save tap switch.According to the requirement of " electric power apparatus examination testing regulations " (Q/CSG1206007-2017), power transformer need to be pressed
The development winding D.C. resistance of 3 years prerun periods or 6 years test, wherein requiring load ratio bridging switch that should survey at all tapping gears
Amount.
Major part transformer regulating frequency is extremely low when before test, due to actual motion, the very big portion of on-load voltage regulating switch
All only in a certain gear between timesharing, connector oxidation at the tap of other gears is caused seriously, to eventually lead to D.C. resistance test not
It is qualified.For this purpose, testing crew before carrying out D.C. resistance test, all needs to be manually operated in transformer on-load voltage regulating mechanism in advance
It transfers the files knob, gear is risen to 17 grades from 1 grade, then from 17 grades near 1 grade, so 3 to 5 wheel back and forth, to beat tap
Grind off oxide layer, when aoxidizing excessively serious, number of transferring the files up to 10 wheels more than.The process of the operation knob need to specially arrange one
Testing crew carries out.During the test, the load tapchanging transformer of regulatory requirements should measure respectively at all tapping gears
Its DC resistance needs specially a personnel to be arranged to operate shift thus, after often testing a gear, is adjusted to another gear,
Until 17 gears are completed.The transformer is transferred the files, and mode efficiency is lower, and human cost is excessively high.
Utility model content
In view of this, transferring the files apparatus and system the purpose of this utility model is to provide a kind of transformer, to improve transformation
The efficiency that device is transferred the files reduces human cost.
It transfers the files device, including controller and actuator in a first aspect, the utility model embodiment provides a kind of transformer；
The connection of the gear adjusting knob of actuator and transformer；Controller and actuator communicate to connect；Controller is for receiving user's hair
Instruction of transferring the files out, the instruction that will transfer the files are sent to actuator；Actuator be used for when receive transfer the files instruct when, driving gear adjust
Knob rotation, to adjust the gear of transformer.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, above controller includes the human-computer interaction module connected two-by-two, the first wireless transport module and the first power module；Man-machine friendship
Mutual module is used to acquire the instruction of transferring the files of user's sending；First wireless transport module is sent to actuator for the instruction that will transfer the files；
First power module is used to power for human-computer interaction module and the first wireless transport module.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein above-mentioned human-computer interaction module include touch screen and or key.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, above-mentioned actuator includes sequentially connected second wireless transport module, control circuit, servo-driver, servo motor and embedding
External member；Nest is connect in nested fashion with gear adjusting knob；Second wireless transport module is for receiving controller transmission
Instruction of transferring the files；Control circuit be used for when receive transfer the files instruct when, to servo-driver export control signal；Servo-driver
For when receiving a control signal, sending driving signal to servo motor；Servo motor is for receiving driving signal, by embedding
External member drives the rotation of gear adjusting knob, to adjust the gear of transformer.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Four kinds of possible embodiments, wherein above-mentioned actuator further includes second power supply module；Second power supply module is used to be the second nothing
Line transmission module, control circuit, servo-driver and servo motor power supply.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein above-mentioned actuator further includes fault warning module；Fault warning module and control circuit connect
It connects；Fault warning module is used to issue alarm signal when control circuit detects that gear adjusting knob breaks down.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein above-mentioned fault warning module includes buzzer siren.
The third possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Seven kinds of possible embodiments, wherein above-mentioned control circuit includes PLC chip.
Second aspect, the utility model embodiment also provide a kind of transformer gear shifting system, including above-mentioned transformer is transferred the files
Device and transformer.
In conjunction with second aspect, the utility model embodiment provides the first possible embodiment of second aspect,
In, above system further includes communication connection monitor and display device；Monitor is set on the fuselage of actuator, to acquire shelves
Image information in the adjustment process of position；Display device is used for the image information that the display monitor is sent, so that user monitoring gear
Adjustment process.
The utility model embodiment bring it is following the utility model has the advantages that
The utility model embodiment provides a kind of transformer and transfers the files apparatus and system；User is received by controller to issue
Instruction of transferring the files, and the instruction that will transfer the files is sent to actuator；Instruction of transferring the files is received by actuator, and drives gear adjusting knob
Rotation, to adjust the gear of transformer.Which improves the efficiency that transformer is transferred the files, and reduces human cost.
Other feature and advantage of the utility model will illustrate in the following description, alternatively, Partial Feature and advantage
Can deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the utility model it can be learnt that.It should
Mode improves the efficiency that transformer is transferred the files, and reduces human cost.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, better embodiment is cited below particularly,
And cooperate appended attached drawing, it is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that a kind of transformer provided by the embodiment of the utility model is transferred the files the structural schematic diagram of device；
Fig. 2 is that a kind of transformer provided by the embodiment of the utility model is transferred the files in device, the structural schematic diagram of controller；
Fig. 3 is that a kind of transformer provided by the embodiment of the utility model is transferred the files in device, the structural schematic diagram of actuator；
Fig. 4 be a kind of transformer test provided by the embodiment of the utility model with portable remote transfer the files device work it is former
Reason figure；
Fig. 5 is a kind of transformer test provided by the embodiment of the utility model to be answered with the transfer the files scene of device of portable remote
Use schematic diagram；
Fig. 6 is a kind of structural schematic diagram of transformer gear shifting system provided by the embodiment of the utility model.
Icon: 100- controller；110- actuator；101- human-computer interaction module；The first wireless transport module of 102-；103-
First power module；The second wireless transport module of 111-；112- control circuit；113- servo-driver；114- servo motor；
115- nest；20-PC terminal；21- support foot rest；22- video camera；23- on-load voltage regulation mechanism cabinet；30- gear adjusting button；
60- transformer is transferred the files device；61- transformer.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Currently, existing transformer is transferred the files, mode efficiency is lower, and human cost is higher.Based on this, the utility model is implemented
Example provides a kind of transformer and transfers the files apparatus and system, can be applied to electric system detection and debugging field.
To be transferred the files to a kind of transformer disclosed in the utility model embodiment first convenient for understanding the present embodiment
Device describes in detail.
A kind of transformer shown in Figure 1 is transferred the files the structural schematic diagram of device, which includes controller 100 and execute
Device 110；Actuator 110 is connect with the gear adjusting knob of transformer；Controller 100 and actuator 110 communicate to connect；Controller
100 for receiving the instruction of transferring the files of user's sending, and the instruction that will transfer the files is sent to actuator 110；Actuator 110 is used to work as and receive
It transfers the files when instructing, driving gear adjusting knob rotation, to adjust the gear of transformer.
Above controller can be placed near tester, to receive the instruction of transferring the files of tester's sending；The control
Device may include phonetic incepting and identification module, key or touch screen etc., or therein a variety of；Due to controller and hold
The communication connection of row device, controller can also include wireless communication module, such as bluetooth module etc., when receive transfer the files instruction after,
Actuator is sent to by the wireless communication module.
Above-mentioned actuator can be placed near transformer, be connect with the gear adjusting knob of transformer；The gear tune
The function of saving knob once can keep gear change primary for rotation with regard to changing, and rotate clockwise and rotation is respectively to control counterclockwise
Gear processed is turned up or is turned down.Above-mentioned instruction of transferring the files, which can be divided into, to be turned up gear instruction or turns down gear instruction, is adjusted when receiving
After shelves instruction, transferred the files clockwise or counterclockwise with realizing according to the order-driven gear adjusting knob.
The utility model embodiment provides a kind of transformer and transfers the files device；Transferring the files for user's sending is received by controller
Instruction, and the instruction that will transfer the files is sent to actuator；Instruction of transferring the files is received by actuator, and gear adjusting knob is driven to rotate,
To adjust the gear of transformer.Which improves the efficiency that transformer is transferred the files, and reduces human cost.
In a specific embodiment, above controller can wirelessly be passed by the human-computer interaction module 101, first connected two-by-two
Defeated module 102 and the first power module 103 are constituted, and structural schematic diagram is as shown in Figure 2；Wherein human-computer interaction module 101 is used for
Acquire the instruction of transferring the files that user issues；First wireless transport module 102 is sent to actuator for the instruction that will transfer the files；First power supply
Module 103 is used to power for human-computer interaction module and the first wireless transport module.
Above-mentioned human-computer interaction module can be touch screen or key, can also simultaneously include touch screen and key；User can
To input instruction of transferring the files by key or touch screen；Since the gear of transformer can be adjusted to top grade by low grade, or adjusted by top grade
To low grade, then key at least two.
In a specific embodiment, above-mentioned actuator can be by sequentially connected second wireless transport module 111, control electricity
Road 112, servo-driver 113, servo motor 114 and nest 115 are constituted, and structural schematic diagram is as shown in Figure 3；Nest with
Gear adjusting knob connects in nested fashion；Second wireless transport module is used to receive the instruction of transferring the files of controller transmission；Control
Circuit processed be used for when receive transfer the files instruct when, to servo-driver export control signal；Servo-driver is used to work as and receive
When controlling signal, driving signal is sent to servo motor；Servo motor drives gear by nest for receiving driving signal
Adjusting knob rotation, to adjust the gear of transformer.
Further, above-mentioned actuator can also include second power supply module；Second power supply module is used for as in actuator
The second wireless transport module, control circuit, servo-driver and servo motor power supply.
It, may be due to gear knob failure, nest and gear knob malunion in carrying out gear adjustment process
There is the case where gear adjusts failure in the reasons such as normal；In order to handle the situation in time, above-mentioned actuator can also include that failure is accused
Alert module；Fault warning module connects to the control circuit；Fault warning module is used to detect that gear adjusts rotation when control circuit
When button breaks down, alarm signal is issued；Specifically, above-mentioned fault warning module can be buzzer siren；The shelves of transformer
Position adjusting knob after rotation, can be restored to original position as door handle, connect at this time with gear adjusting knob embedding
External member will receive an opposition, and control circuit can detect this by servo-driver and servo motor at this time
Power, when detecting the active force not in the normal range, such as in the absence of, it can be determined that gear gear adjusting knob occur therefore
Barrier, to issue alarm command by alarm module.
In a particular embodiment, the control circuit in above-mentioned actuator can be PLC (Programmable Logic
Controller, programmable logic controller (PLC)) chip.PLC control system is introduced on the basis of traditional sequence controller
Microelectric technique, computer technology, automatic control technology and mechanics of communication and the generation infant industry control device formed, mesh
Be to establish stored program controlled flexible for replacing relay, executing that logic, the sequential controls function such as clock, count.With logical
With the features such as property is strong, easy to use, adaptation is wide, high reliablity, strong antijamming capability, simple programming.
The utility model embodiment additionally provides a kind of transformer test and is transferred the files device with portable remote, and the device is upper
It states transformer and transfers the files and realize on the basis of device；The device is mainly for needing special designer in DC Resistance Test of Transformer
The problem of being transferred the files develops, to replace the work of the ad hoc personnel that transfer the files.
The device is broadly divided into four parts: input part (being equivalent to above controller), output block (are equivalent to above-mentioned hold
Row device), monitoring part (can be video camera+mobile terminal or computer terminal) and load bearing component (can be support foot rest).
Above controller is by human-computer interaction module (touch screen), wireless transport module (signal projector) and power module
It is connected and composed by circuit design；The effect that setting operational order is sent to actuator may be implemented in the controller.
Above-mentioned actuator is by program controling module (PLC chip), drive module (servo-driver), execution output module
(servo motor), wireless transport module (signal receiver), fault warning module (buzzer), (knob of transferring the files is embedding for nested WFTA module
External member) and power module connected and composed by circuit design.The actuator may be implemented to receive the instruction of controller, execute phase
Answer the effect of output action.
Above-mentioned video camera is installed on actuator body as individual components, only there is electricity with the power module in actuator
Gas connection；Video camera real time monitoring gear stages remotely monitor picture transmission to PC terminal for operator, confirm shelves
Position is consistent with instruction execution.
Under normal conditions, the installation position of transformer has some height apart from ground, in order to make the nest of actuator with
The gear adjusting knob of transformer is installed together, and can carry above-mentioned actuator using the support foot rest of height is suitble to.
The working principle diagram of the device is as shown in figure 4, specific as follows: operator passes through the touch screen setting in controller
Corresponding operating instruction, the PLC chip that instruction is sent in actuator through signal projector, PLC chip output order, by watching
Driver driving servo motor is taken, motor drives knob nest movement of transferring the files, and realizes that remote auto is transferred the files.Period operator
Distal end gear stages are monitored in real time by PC terminal；If the abnormal conditions such as motor is stuck occur in action process, buzzer will be sent out
It alerts out.
The device at the scene application schematic diagram as shown in figure 5, controller 100 and PC terminal 20 setting operation test equipment
Personnel near；Actuator 110, support foot rest 21 and video camera 22 are arranged near on-load voltage regulation mechanism cabinet 23, actuator 110
It is nested with gear adjusting knob 30；Above-mentioned apparatus only need to be installed before carrying out transformer testing, parameter is set and allows device
It realizes automatic gear shifting polishing gear contact, transfers the files it is not necessary that personnel's manual operation is specially arranged；It is previous to need in test process
Three people, one man operation test equipment, a people cooperate shift before gear shifting mechanism, and a people guards scene.Two people now need to be only arranged, are grasped
The personnel for making test equipment can carry out long-range gear shift simultaneously, shift gears without special one personnel of setting；Transformer is improved to transfer the files
Efficiency reduces human cost.
Corresponding to above-described embodiment, the utility model embodiment also provides a kind of transformer gear shifting system, structural representation
Figure is as shown in Figure 6；The system includes that above-mentioned transformer is transferred the files device 60 and transformer 61.
Further, above system can also include communication connection monitor and display device；Monitor is set to execution
On the fuselage of device, to acquire the image information in gear adjustment process；The image letter that display device is sent for the display monitor
Breath, so that user monitoring gear adjustment process.
Further, above system can also include support foot rest；Support foot rest is for carrying above-mentioned actuator.
A kind of transformer gear shifting system provided by the embodiment of the utility model, with a kind of transformer provided by the above embodiment
Device of transferring the files technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
And/or the specific work process of device, it can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (9)
- The device 1. a kind of transformer is transferred the files, which is characterized in that including controller and actuator；The shelves of the actuator and transformer Position adjusting knob connection；The controller and the actuator communicate to connect；The controller is used to receive the instruction of transferring the files of user's sending, and the instruction of transferring the files is sent to the actuator；The actuator be used for when receive it is described transfer the files instruct when, drive the gear adjusting knob to rotate, described in adjusting The gear of transformer；The actuator includes sequentially connected second wireless transport module, control circuit, servo-driver, servo motor and embedding External member；The nest is connect in nested fashion with gear adjusting knob；Second wireless transport module is used to receive the instruction of transferring the files that the controller is sent；The control circuit be used for when receive it is described transfer the files instruct when, Xiang Suoshu servo-driver output control signal；The servo-driver is used for when receiving the control signal, and Xiang Suoshu servo motor sends driving signal；The servo motor drives the gear adjusting knob to rotate for receiving the driving signal, by the nest, To adjust the gear of the transformer.
- 2. the apparatus according to claim 1, which is characterized in that the controller includes the human-computer interaction mould connected two-by-two Block, the first wireless transport module and the first power module；The human-computer interaction module is used to acquire the instruction of transferring the files of user's sending；First wireless transport module is used to the instruction of transferring the files being sent to the actuator；First power module is used to power for the human-computer interaction module and first wireless transport module.
- 3. the apparatus of claim 2, which is characterized in that the human-computer interaction module include touch screen and or key.
- 4. the apparatus according to claim 1, which is characterized in that the actuator further includes second power supply module；Described Two power modules are used for as second wireless transport module, the control circuit, the servo-driver and servo electricity Machine power supply.
- 5. the apparatus according to claim 1, which is characterized in that the actuator further includes fault warning module；The event Barrier alarm module is connect with the control circuit；The fault warning module is used to detect the gear when the control circuit When adjusting knob breaks down, alarm signal is issued.
- 6. device according to claim 5, which is characterized in that the fault warning module includes buzzer siren.
- 7. the apparatus according to claim 1, which is characterized in that the control circuit includes PLC chip.
- 8. a kind of transformer gear shifting system, which is characterized in that transfer the files device including the described in any item transformers of claim 1-7 And transformer.
- 9. system according to claim 8, which is characterized in that the system also includes communication connection monitor and display dresses It sets；The monitor is set on the fuselage of the actuator, to acquire the image information in gear adjustment process；The display device is used to show the image information that the monitor is sent, so that user monitoring gear adjustment process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867587.6U CN209640377U (en) | 2018-11-13 | 2018-11-13 | Transformer is transferred the files apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867587.6U CN209640377U (en) | 2018-11-13 | 2018-11-13 | Transformer is transferred the files apparatus and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640377U true CN209640377U (en) | 2019-11-15 |
Family
ID=68472880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821867587.6U Active CN209640377U (en) | 2018-11-13 | 2018-11-13 | Transformer is transferred the files apparatus and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640377U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142813A (en) * | 2018-11-13 | 2019-01-04 | 广东电网有限责任公司 | Transformer is transferred the files apparatus and system |
| CN110806511A (en) * | 2019-10-22 | 2020-02-18 | 阳江核电有限公司 | Three-phase direct resistance automatic test method and system for on-load tap changing transformer |
| CN111562765A (en) * | 2020-06-18 | 2020-08-21 | 广东电网有限责任公司 | Remote control gear shifting device for voltage regulating switch of transformer |
| CN112462841A (en) * | 2020-10-29 | 2021-03-09 | 国网山东省电力公司东营市东营区供电公司 | Automatic gear shifting device for real-time monitoring transformer |
-
2018
- 2018-11-13 CN CN201821867587.6U patent/CN209640377U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109142813A (en) * | 2018-11-13 | 2019-01-04 | 广东电网有限责任公司 | Transformer is transferred the files apparatus and system |
| CN110806511A (en) * | 2019-10-22 | 2020-02-18 | 阳江核电有限公司 | Three-phase direct resistance automatic test method and system for on-load tap changing transformer |
| CN111562765A (en) * | 2020-06-18 | 2020-08-21 | 广东电网有限责任公司 | Remote control gear shifting device for voltage regulating switch of transformer |
| CN111562765B (en) * | 2020-06-18 | 2021-08-10 | 广东电网有限责任公司 | Remote control gear shifting device for voltage regulating switch of transformer |
| CN112462841A (en) * | 2020-10-29 | 2021-03-09 | 国网山东省电力公司东营市东营区供电公司 | Automatic gear shifting device for real-time monitoring transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209640377U (en) | Transformer is transferred the files apparatus and system | |
| US8841797B2 (en) | Wireless annunciator for an electrical generator | |
| CA2638325A1 (en) | Method and apparatus for providing diagnostics of a lifting magnet system | |
| CN109142813A (en) | Transformer is transferred the files apparatus and system | |
| CN205283245U (en) | Automatic change -over switch device | |
| CN112735878A (en) | Circuit breaker opening and closing control system and method | |
| CN206892160U (en) | A kind of direct current resistance tester of full-automatic transformer | |
| CN101840209A (en) | Intelligent electric actuating mechanism | |
| CN203930387U (en) | A kind of electric sanitation truck wireless remote controller | |
| CN202215381U (en) | Intelligent controller of diesel generator set | |
| CN114389191A (en) | One-key sequential control switching operation device for switch cabinet handcart | |
| CN209925180U (en) | Air compressor control system for realizing function of Internet of things based on Bluetooth technology | |
| CN211319056U (en) | Frequency converter debugging device | |
| JP2002114482A (en) | Control monitor for crane | |
| CN102880128A (en) | Anchor machine frequency conversion control system equipment applied to offshore engineering | |
| CN106405399A (en) | Switch service life testing device | |
| CN210953420U (en) | Intermittent operation device | |
| CN211879276U (en) | On-load tap-changer gear adjuster of mobile terminal control transformer | |
| KR101752049B1 (en) | Voltage control system by using graphic lcd | |
| CN214534734U (en) | Electric valve control instrument | |
| CN216956762U (en) | PLC detection circuit of remote control change-over switch | |
| CN220419849U (en) | Data acquisition system for plate cutting equipment | |
| CN220913746U (en) | Wireless remote control device of stacker-reclaimer | |
| CN217034531U (en) | Safety control circuit and control device | |
| CN107912004A (en) | A kind of transformer Cooling switch board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |