CN209088527U - A kind of AI intelligent motor control and protection integrated apparatus - Google Patents
A kind of AI intelligent motor control and protection integrated apparatus Download PDFInfo
- Publication number
- CN209088527U CN209088527U CN201822113712.0U CN201822113712U CN209088527U CN 209088527 U CN209088527 U CN 209088527U CN 201822113712 U CN201822113712 U CN 201822113712U CN 209088527 U CN209088527 U CN 209088527U
- Authority
- CN
- China
- Prior art keywords
- motor control
- shell
- integrated apparatus
- control
- intelligent
- 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 relates to a kind of AI intelligent motor control and protection integrated apparatus.It is equipped with the oblique heat dissipation wind channel of favorable current ascent direction in the utility model shell, is radiated using the circulation of air-flow, ensures that the present apparatus has good heat dissipation performance while saving energy consumption；The disengaging line end of the utility model shell upper and lower ends, which is provided with, patches male connector hole, has overturned traditional screw crimping mode, has been connected using plugging mode, simple and quick；CAN bus touch screen connected to the processor is provided on front side of the utility model shell; it can be with the various states of display operation and the motor running parameter protected; each parameter and control start and stop can be set simultaneously by touch screen, it is easy to operate, it is easy to use；Motor Control connect background monitoring equipment by transmission device with protective device ontology, can carry out remote control to parameter by intelligent terminal, meet information-based and intelligentized requirement.
Description
Technical field
The utility model belongs to automation control and motor protecting device technical field, and in particular to a kind of AI intelligence electricity
Motivation control and protection integrated apparatus.
Background technique
Motor Control and protective device are the devices that comprehensive control and protection is carried out to motor, are occurred in motor
Give safeguard measure when stream, overload, undercurrent, disconnected phase, stall, short circuit, over-voltage, under-voltage, electric leakage and three-phase imbalance state, it is main
To be applied to the control and protection of the loads such as blower, water pump, motor.Electromotor Protector give cash integrated circuit and
Microcomputer technology, using micro-chip processor as main operational unit, running speed is fast.High reliablity, and there is perfect communication
Function and simulation pick-up fan-out capability.Many-sided perfect integrated protection is provided to motor, reliable performance is easy to operate, but just
In the installation maintenance the advantages that.Protection scope and sensitivity are all higher than electrothermal relay, it is possible to prevente effectively from often motor was burnt in the past
Bad, the case where electrothermal relay is but failure to actuate, be the ideal upgrading products of electrothermal relay.
Authorization Notice No. are as follows: the utility model of 206821090 U of CN discloses a kind of motor monitoring protector, the reality
A kind of can effectively prolong the service life and motor monitoring protector that is easy to disassemble and operating with is provided with novel.However
It carries out setting operation by various parameters of the operational and controlled key button to device, and pressing keys are needed in parameter setting many times, are joined
It is several shown with code it is very not intuitive, it is necessary to compare one setting of specification；Often accidentally parameter just will appear and set
The situation of mistake is set, very trouble is operated, needs professional person to operate, such use is very inconvenient.
Authorization Notice No. are as follows: the utility model of 204376387 U of CN, a kind of intelligent motor protector, the utility model
Structure is simple, show for electric current, voltage in motor running, and to motor overvoltages, under-voltage, and short circuit rotates into capable alarm with blocking
And protection.However the screw line bank component of setting makes circuit loop connection be all made of the mode that screw crimps, this company
The mode of connecing has that connection terminal and connecting screw are exposed, and actually between phase and phase must with insulant effectively every
From otherwise easy to burn out equipment because the foreign matters such as dust moist between exposed terminal or crawler cause short circuit；Live terminal
It is exposed also to easily cause electric shock accidents outside；It has to have a power failure when in addition overhauling more exchange device and could dismantle conducting wire, be so bound to
It causes other electric appliances that can not use, influences very wide, maintenance inconvenience.
Authorization Notice No. are as follows: the utility model of 205657618 U of CN, motor protection control device, the utility model are set
Count it is rationally distributed, it is full-featured, there is a variety of motor start-stops control, with the under-voltage function of restarting, at the same also have it is convenient
Detection, saves cable, safe and reliable advantage at maintenance system, effectively protects the protection control device, improves using the longevity
Life and working efficiency.The utility model is equipped with thermovent by the middle position of positioning pin, and it is real to be equipped with radiator fan in thermovent
The heat dissipation of existing device, although heat dissipation effect is good, the consumption of its energy consumption is excessive, and holds at thermovent without any safeguard procedures
Easily enter the foreign matters such as water flow, dust and crawler to cause short circuit and burn out equipment.
In addition, Motor Control in the prior art and protective device needs enter parameter etc. by key on device
Setting, later maintenance have difficulties, hence it is evident that are unable to satisfy information-based and intelligentized requirement.With the development of technology of Internet of things,
Measure the maturation of protection technique and more more and more universal, the traditional Motor Control and protective device of mobile intelligent management
Also it is badly in need of changing.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of AI intelligent motor
Control and protection integrated apparatus.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of AI intelligent motor control and protection one
Body makeup is set, including Motor Control and protective device ontology, transmission device and background monitoring equipment；
The transmission device includes serial server and 4G communication server, serial server be used for by Motor Control with
The signal that protective device ontology is sent collects and carries out conversion process, and connection network carries out data communication, and 4G communication server is logical
It crosses the 4G communication technology and the data that serial server collects processing is sent to background monitoring equipment；
The background monitoring equipment includes background monitoring server and intelligent terminal, and background monitoring server is by motor control
It makes and is managed with the various data of protective device ontology, while by transmission device to Motor Control and protective device ontology
It is controlled, to realize the control to Motor Control and protective device ontology；Intelligent terminal passes through with background monitoring server
Wiredly and/or wirelessly it is connected, is monitored and controls for the data to the Motor Control and protective device ontology.
Further, the Motor Control and protective device ontology include shell, and the back of the shell is provided with bottom
Plate is located at below the bottom plate on the shell and is provided with air inlet hole, and the top that the bottom plate is located on the shell is arranged
There is exhaust vent, the heat dissipation wind channel being connected to the air inlet hole and exhaust vent is provided in the shell.
Further, it is located on the shell above the air inlet hole and exhaust vent and is provided with water blocking rib.
Further, the water blocking rib is mutually perpendicular to bottom plate.
Further, the heat dissipation wind channel is provided with oblique section close to the side of the air inlet hole, the oblique Duan Yushui
The angle of plane is acute angle；The heat dissipation wind channel is provided with upsloping segment, the upsloping segment and water close to the side of the exhaust vent
The angle of plane is obtuse angle.
Further, the disengaging line end of the shell upper and lower ends is provided with patches male connector hole, the male connector hole that patches
Two sides are symmetrically arranged with hangers, and the centre of the hangers is provided with through-hole, buckle is connected in the through-hole.
Further, the male connector hole outer that patches is arranged with retaining ring.
Further, processor is installed in the shell, touch screen is provided on front side of the shell, the shell
Front side is additionally provided with start-up and shut-down control button and divide-shut brake control handle, and the divide-shut brake control handle is arranged in the start-up and shut-down control
The top of button, the processor are separately connected the touch screen, start-up and shut-down control button and divide-shut brake control rotation by CAN bus
Button.
Further, the touch screen surface is provided with PET antistatic protection film.
Further, the intelligent terminal is one of mobile phone, tablet computer, notebook or a variety of.
The beneficial effects of the utility model are:
1, it is located to be provided with above the air inlet hole and exhaust vent on the utility model shell and is mutually perpendicular to bottom plate
Water blocking rib, effectively avoid water flow and dust enter heat dissipation wind channel influence the intracorporal various components of shell, avoid security risk；
2, the utility model heat dissipation wind channel is provided with oblique section horizontal by acute angle close to the side of the air inlet hole,
Side close to exhaust vent is provided with the upsloping segment horizontal by obtuse angle, complies with the ascent direction of air-flow, passes through the natural law
It is radiated using the circulation of air-flow, ensures that the present apparatus has good heat dissipation performance while saving energy consumption；
3, the disengaging line end of the utility model shell upper and lower ends, which is provided with, patches male connector hole, has overturned traditional screw pressure
Mode is connect, is connected using plugging mode, it is simple and quick, effectively improve working efficiency；
4, it is provided with CAN bus touch screen connected to the processor on front side of the utility model shell, can show
The various states of device operation and the motor running parameter protected, such as electric current, voltage, load factor, power factor (PF), temperature etc.
Deng, while each parameter and control start and stop can be set by touch screen, and it is easy to operate, it is easy to use；
5, the utility model Motor Control connect background monitoring equipment by transmission device with protective device ontology, makes
It with safe and reliable in the process, and can timely find site problems, remote control can be carried out to parameter by intelligent terminal,
Meet information-based and intelligentized requirement.
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 a kind of AI intelligent motor control and protection integrated apparatus described in the utility model specific embodiment
Structural schematic diagram；
Fig. 2 is the schematic perspective view of Motor Control and protective device ontology in Fig. 1；
Fig. 3 is the side structure schematic view of Fig. 1 Motor Control and protective device ontology；
Fig. 4 is the positive structure diagram of Fig. 1 Motor Control and protective device ontology；
Fig. 5 is the schematic perspective view of Motor Control and another angle of protective device ontology in Fig. 1；
Appended drawing reference:
100- Motor Control and protective device ontology；101- shell；200- transmission device；300- background monitoring equipment；
1- air inlet hole；2- exhaust vent；3- water blocking rib；4- heat dissipation wind channel；Oblique section of 41-；42- upsloping segment；5- bottom plate；6- patches male connector
Hole；7- hangers；8- buckle；9- retaining ring；10- start-up and shut-down control button；11- divide-shut brake control handle；12- touch screen.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
As shown in Figure 1, a kind of AI intelligent motor control and protection integrated apparatus provided by the utility model, including
Motor Control and protective device ontology 100, transmission device 200 and background monitoring equipment 300；
The transmission device 200 includes serial server and 4G communication server, and serial server is used for motor control
The signal that system is sent with protective device ontology collects and carries out conversion process, and connection network carries out data communication, 4G Communications service
The data that serial server collects processing are sent to background monitoring equipment by the 4G communication technology by device；
The background monitoring equipment 300 includes background monitoring server and intelligent terminal, and background monitoring server will be electronic
The various data of machine control and protection device noumenon 100 are managed, while to Motor Control and being protected by transmission device 200
Protection unit ontology 100 is controlled, to realize the control to Motor Control and protective device ontology 100；Intelligent terminal is with after
Platform monitoring server is by being wiredly and/or wirelessly connected, for the data to the Motor Control and protective device ontology 100
It is monitored and controls.
Further, as Figure 2-3, the Motor Control and protective device ontology 100 include shell 101, described
The back of shell is provided with bottom plate 5, and the lower section that the bottom plate 5 is located on the shell 101 is provided with air inlet hole 1, the shell
Top on 101 positioned at the bottom plate 5 is provided with exhaust vent 2, is provided in the shell 101 and the air inlet hole 1 and outlet air
The heat dissipation wind channel 4 that hole 2 is connected to.
Further, the air inlet hole 1 is located on the shell 101 and the top of exhaust vent 2 is provided with water blocking rib
3。
Further, the water blocking rib 3 is mutually perpendicular to bottom plate 5, and water flow and dust is effectively avoided to enter heat dissipation wind channel 4
The various components in shell 101 are influenced, security risk is avoided.
Further, the heat dissipation wind channel 4 is provided with oblique section 41, described oblique section close to the side of the air inlet hole 1
41 and the angle of horizontal plane are acute angle；The heat dissipation wind channel 4 is provided with upsloping segment 42 close to the side of the exhaust vent 2, described
The angle of upsloping segment 42 and horizontal plane is obtuse angle, and oblique section 41 and upsloping segment 42 comply with the ascent direction of air-flow, ensures the present apparatus
With good heat dissipation performance.
Further, as shown in figure 3, the disengaging line end of 101 upper and lower ends of the shell, which is provided with, patches male connector hole 6, institute
It states and patches the two sides in male connector hole 6 and be symmetrically arranged with hangers 7, the centre of the hangers 7 is provided with through-hole, is connected with card in the through-hole
Button 8, it is possible to prevente effectively from water flow, which enters, patches male connector hole 6, and then after avoiding long-time use, due in long period of soaking water, absolutely
Edge performance declines, and be easy to cause electric leakage accident after power transmission, seriously threatens personal safety.The top of the hangers 7 is arc, is avoided
Staff is scratched when lifting 8 locking plug of buckle.
Further, 6 outer of male connector hole that patches is arranged with retaining ring 9, and the retaining ring 9 is O-shaped retaining ring.
Further, as illustrated in figures 4-5, processor, the front side setting of the shell 101 are installed in the shell 101
There is touch screen 12, the front side of the shell 101 is additionally provided with start-up and shut-down control button 10 and divide-shut brake control handle 11, the division
The top of the start-up and shut-down control button 10 is arranged in lock control handle 11, and the processor is separately connected described by CAN bus
Touch screen 12, start-up and shut-down control button 10 and divide-shut brake control handle 11.
Further, 12 surface of touch screen is provided with PET antistatic protection film, after avoiding operator from being used for a long time
Its sensitivity is influenced, while dust or moisture being avoided to influence the use of touch screen.
Further, the intelligent terminal is one of mobile phone, tablet computer, notebook or a variety of.
When specifically used, Motor Control can be configured with protective device ontology by touch screen, can also be utilized
Intelligent terminal is remotely operated and is controlled by transmission device.Shell is equipped with touch screen, is additionally provided with conventional start and stop simultaneously
Control button and divide-shut brake control handle, can be with the operation and stopping of local control device by start-up and shut-down control button；Pass through touching
Touching screen can be with the various states of display operation and the motor running parameter protected, such as electric current, voltage, load factor, function
Rate factor, temperature etc., while each parameter and control start and stop can be set by touch screen.In touch operation, system can root
According to the corresponding parameter item of icon automatic spring of operator's touch-control, the personage for not needing profession can be operated, easy to use.
As shown in figure 3, arrow direction is airflow direction, this heat dissipation wind channel uses back aperture mode, above and below shell back
End is equipped with air inlet hole and exhaust vent, and whole water blocking rib is equipped with above air inlet hole and air outlet, and enclosure interior is equipped with favorable current
The oblique heat dissipation wind channel of ascent direction is communicated with back inlet and outlet.Shell installation is affiliated in wall or other vertical sidings
When, the bottom plate and metope of Motor Control and protective device ontology are kept apart a certain distance, cold wind by the water blocking rib at back
Air-flow enters enclosure interior from lower end air inlet hole, and hot-air flow sheds along bottom plate from two sides after the discharge of upper end air outlet.
Meanwhile water blocking rib can stop water flow to enter inside device from air outlet.
Shell upper and lower ends, that is, major loop disengaging line end is equipped with and patches male connector hole, patches male connector hole outer equipped with water blocking
Circle, it is possible to prevente effectively from water flow, which enters, patches male connector hole；Male connector hole two sides are patched equipped with hangers, buckle is mounted on the hole of hangers
It is interior；Plug insertion lifts snap lock plug after patching male connector hole, and plug stable connection is kept to will not fall off.When the present apparatus is overhauled
It only needs only to need to test and patches whether male connector hole is reliable, and maintenance is convenient.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of AI intelligent motor control and protection integrated apparatus, it is characterised in that: filled including Motor Control and protection
Set ontology, transmission device and background monitoring equipment；
The transmission device includes serial server and 4G communication server, and serial server is used for Motor Control and protection
The signal that device noumenon is sent collects and carries out conversion process, and connection network carries out data communication, and 4G communication server passes through 4G
The data that serial server collects processing are sent to background monitoring equipment by the communication technology；
The background monitoring equipment includes background monitoring server and intelligent terminal, background monitoring server by Motor Control with
The various data of protective device ontology are managed, while being carried out by transmission device to Motor Control and protective device ontology
Control, to realize the control to Motor Control and protective device ontology；Intelligent terminal passes through wired with background monitoring server
And/or it is wireless connected, it is monitored and controls for the data to the Motor Control and protective device ontology.
2. a kind of AI intelligent motor control and protection integrated apparatus according to claim 1, it is characterised in that: described
Motor Control and protective device ontology include shell, and the back of the shell is provided with bottom plate, are located on the shell described
It is provided with air inlet hole below bottom plate, is located above the bottom plate on the shell and is provided with exhaust vent, set in the shell
It is equipped with the heat dissipation wind channel being connected to the air inlet hole and exhaust vent.
3. a kind of AI intelligent motor control and protection integrated apparatus according to claim 2, it is characterised in that: described
It is located above the air inlet hole and exhaust vent on shell and is provided with water blocking rib.
4. a kind of AI intelligent motor control and protection integrated apparatus according to claim 3, it is characterised in that: described
Water blocking rib is mutually perpendicular to bottom plate.
5. a kind of AI intelligent motor control and protection integrated apparatus according to claim 4, it is characterised in that: described
Heat dissipation wind channel is acute angle close to the angle that the side of the air inlet hole is provided with oblique section, described oblique section and horizontal plane；It is described
Heat dissipation wind channel is provided with upsloping segment close to the side of the exhaust vent, and the angle of the upsloping segment and horizontal plane is obtuse angle.
6. a kind of AI intelligent motor control and protection integrated apparatus according to claim 2, it is characterised in that: described
The disengaging line end of shell upper and lower ends, which is provided with, patches male connector hole, and the two sides for patching male connector hole are symmetrically arranged with hangers, described
The centre of hangers is provided with through-hole, and buckle is connected in the through-hole.
7. a kind of AI intelligent motor control and protection integrated apparatus according to claim 6, it is characterised in that: described
It patches male connector hole outer and is arranged with retaining ring.
8. a kind of AI intelligent motor control and protection integrated apparatus according to claim 2, it is characterised in that: described
Processor is installed in shell, touch screen is provided on front side of the shell, is additionally provided with start-up and shut-down control on front side of the shell
The top of the start-up and shut-down control button, the processing is arranged in button and divide-shut brake control handle, the divide-shut brake control handle
Device is separately connected the touch screen, start-up and shut-down control button and divide-shut brake control handle by CAN bus.
9. a kind of AI intelligent motor control and protection integrated apparatus according to claim 8, it is characterised in that: described
Touch screen surface is provided with PET antistatic protection film.
10. a kind of -9 any AI intelligent motor control and protection integrated apparatus, feature exist according to claim 1
In: the intelligent terminal be one of mobile phone, tablet computer, notebook or a variety of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113712.0U CN209088527U (en) | 2018-12-14 | 2018-12-14 | A kind of AI intelligent motor control and protection integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822113712.0U CN209088527U (en) | 2018-12-14 | 2018-12-14 | A kind of AI intelligent motor control and protection integrated apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088527U true CN209088527U (en) | 2019-07-09 |
Family
ID=67126861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822113712.0U Active CN209088527U (en) | 2018-12-14 | 2018-12-14 | A kind of AI intelligent motor control and protection integrated apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412116A (en) * | 2018-12-14 | 2019-03-01 | 扬州新菱电器有限公司 | A kind of AI intelligent motor control and protection integrated apparatus |
-
2018
- 2018-12-14 CN CN201822113712.0U patent/CN209088527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412116A (en) * | 2018-12-14 | 2019-03-01 | 扬州新菱电器有限公司 | A kind of AI intelligent motor control and protection integrated apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209606819U (en) | A kind of intelligent monitoring case | |
| CN209088527U (en) | A kind of AI intelligent motor control and protection integrated apparatus | |
| CN206037339U (en) | Air -conditioning energy saving supervisory systems | |
| CN109448299A (en) | Electric wiring safety intelligence monitoring and controlling instrument | |
| CN208026772U (en) | High smart electric meter of security | |
| CN109412116A (en) | A kind of AI intelligent motor control and protection integrated apparatus | |
| CN104953765B (en) | A kind of novel and multifunctional motor air exhausting device | |
| CN105977835B (en) | A kind of substation's prefabricated cabin and its ventilating system | |
| CN208028616U (en) | A kind of direct-current charging post controller and charging pile control system | |
| CN206797150U (en) | A kind of direct-current charging post | |
| CN215491825U (en) | Intelligent safety electricity utilization monitoring device | |
| CN206430755U (en) | A kind of ambient intelligence supervising device of integrated distribution lightning protection monitoring | |
| CN201556107U (en) | Intelligent temperature controller of dry-type transformer | |
| CN209676653U (en) | A kind of safety-type cabinet body of husky equipment dynamic control cabinet of system | |
| CN206206236U (en) | A kind of fan control box | |
| CN207817504U (en) | Integrated-type intelligent building bus communication monitoring device | |
| CN209489002U (en) | A kind of Motor Control and protective device of touch screen operation | |
| CN207089040U (en) | A kind of New-type charge stake | |
| CN111147545A (en) | Intelligent electricity stealing prevention system based on NB-IoT | |
| CN209150390U (en) | A kind of major loop uses the Motor Control and protective device of plugging mode connection | |
| CN205946283U (en) | Building lighting control system | |
| CN209489003U (en) | A kind of good Motor Control and protective device of radiating | |
| CN207764290U (en) | A kind of maintenance device of intelligent building electrical equipment | |
| CN220628583U (en) | Internet of things power distribution cabinet | |
| CN216289768U (en) | Safe power supply system for weak current engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |