CN209545235U - One kind being based on PLC low voltage switch equipment automatic switching device of standby power supply - Google Patents
One kind being based on PLC low voltage switch equipment automatic switching device of standby power supply Download PDFInfo
- Publication number
- CN209545235U CN209545235U CN201920350010.6U CN201920350010U CN209545235U CN 209545235 U CN209545235 U CN 209545235U CN 201920350010 U CN201920350010 U CN 201920350010U CN 209545235 U CN209545235 U CN 209545235U
- Authority
- CN
- China
- Prior art keywords
- mounting plate
- power supply
- fixed
- low voltage
- module
- 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
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses one kind to be based on PLC low voltage switch equipment automatic switching device of standby power supply, including body, fixing end, connection socket and LED display, the both ends of the body are mounted on fixing end, the both ends of the internal body are all uniformly equipped with fixed column, and mounting plate is fixed between fixed column, one end at the top of the mounting plate is equipped with AC power supply module, and the other end is sequentially installed with memory module at the top of mounting plate, time delay module, radio receiving transmitting module, relay and single-chip microcontroller, threephase current transformer and threephase potential transformer are separately installed on the mounting plate of described connecting pin one end, and panel is fixed at the top of body, the center of the panel side is equipped with LED display.Body is fixed on relevant device, convenient for the fixed installation of device, convenient for the use of device by the utility model by installation organism, fixing end and fixing groove convenient for being coupled bolt by fixing end and fixing groove.
Description
Technical field
The utility model relates to automatic bus technical fields, specially a kind of to be based on PLC low voltage switch equipment backup power source
Automatic bus.
Background technique
With the continuous development of society, various electrical equipments and electronic component and become must not in people's daily life
The articles that can lack, these electronic equipments, which often need to install automatic bus when in use, protects circuit, existing based on low
There is following defect when in use in voltage switching station automatic bus:
1, existing that installation fixation is not easy to based on low voltage switch equipment automatic bus when in use, it can not be with relevant device
It is installed and used;
2, existing not have backup power source mostly based on low voltage switch equipment automatic bus, monitoring uploads various simulation ginsengs
Data are measured, does not have when breaking down, the ability of its function of supplying power is executed at the time of regulation, need artificial behaviour in real time
Make, can not remotely operate, safety is bad;
3, existing based on low voltage switch equipment automatic bus, heat dissipation effect is poor when in use, can not isolation environment ash
Dirt causes internal component damage, reduces the use of device it is easier that device internal element is interfered by dust, humidity and high temperature
Service life;
4, existing to generate certain noise when in use based on low voltage switch equipment automatic bus, noise reduction effect is poor,
Simultaneously also vulnerable to the electromagnetic interference of environment, the use of device is influenced.
Utility model content
The purpose of this utility model is to provide one kind to be based on PLC low voltage switch equipment automatic switching device of standby power supply, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions: one kind is spare based on PLC low voltage switch equipment
Power switchover device, including body, fixing end, connection socket and LED display, the both ends of the body are mounted on fixation
End, and fixing groove is all uniformly provided in fixing end, the two sides of the body are all uniformly provided with locating slot, and adjacent 2 locating slots
Between body on be mounted on dust-proof web plate, the both ends of the internal body are all uniformly equipped with fixed column, and fixed column it
Between be fixed with mounting plate, one end at the top of the mounting plate is equipped with AC power supply module, and the other end is successively at the top of mounting plate
Memory module, time delay module, radio receiving transmitting module, relay and single-chip microcontroller are installed, the AC power supply module passes through conducting wire
With monolithic mechatronics, and the output end of time delay module, radio receiving transmitting module and AC power supply module with the input of single-chip microcontroller
End is electrically connected, and the memory module is electrically connected by conducting wire and single-chip microcontroller, and the top installation of relay side mounting plate
There is connecting pin, is separately installed with threephase current transformer and threephase potential transformer on the mounting plate of described connecting pin one end, and
Threephase current transformer and threephase potential transformer and connecting pin are electrically connected, and the threephase current transformer and three-phase voltage are mutual
Electric connection of the output end of sensor with the input terminal of relay, and the input terminal of the output end of relay and single-chip microcontroller is electrical
Connection, the both ends of the mounting plate two sides are all uniformly equipped with spring base, and one end of spring base is fixed with the inner wall of body
It connects, the center of internal body two sides is separately installed with cooling fan and desiccant box, and cooling fan between the spring base
By conducting wire and monolithic mechatronics, 4 angular positions of the internal body are mounted on mounting post, and on the inner wall of body
Coated with the anti-interference layer of glass fibre, acoustical cotton is filled in the side wall at the body both ends, and the top of body passes through admittedly
Determine bolt and be fixed with panel, the center of the panel side is equipped with LED display, and LED display passes through conducting wire and monolithic
Machine is electrically connected, and the center of LED display side panel is equipped with control button, and the LED at control button both ends is shown
Connection socket and switch are separately installed on screen, the connection socket and connecting pin are electrically connected.
Preferably, the body constitutes fixed disassembly and assembly structure by fixing end and fixing groove.
Preferably, 4 angular positions of the panel are equipped with and the mutually matched fixation hole of fixing bolt, and mounting post
Center be equipped with the mutually matched threaded hole of fixing bolt, between the body and panel pass through fixing bolt and mounting post
Fixed disassembly and assembly structure is constituted, and the junction of body and panel is equipped with sealing joint strip.
Preferably, be uniformly provided on the mounting plate with the mutually matched mounting hole of fixed column, and the both ends of spring base are all
It is welded and fixed respectively with body and mounting plate, shock-damping structure is constituted by spring base between the body and mounting plate.
Preferably, sound hole is all uniformly provided on the inner wall of acoustical cotton side body, body passes through acoustical cotton and sound hole
Constitute denoising structure.
Preferably, the inside of the dust-proof web plate side body is all uniformly provided with heat release hole, and body by dust-proof web plate,
Heat release hole and cooling fan constitute radiator structure.
Compared with prior art, the utility model has the beneficial effects that
1, setting organism, fixing end and fixing groove should be passed through based on PLC low voltage switch equipment automatic switching device of standby power supply,
Body is fixed on relevant device convenient for being coupled bolt by fixing end and fixing groove, convenient for the fixed installation of device,
Convenient for the use of device;
It 2, should be based on PLC low voltage switch equipment automatic switching device of standby power supply by being provided with memory module, time delay module, nothing
Line transceiver module, AC power supply module, relay, threephase current transformer and threephase potential transformer, convenient for passing through three-phase electricity
Current transformer and threephase potential transformer incude corresponding current and voltage quantities, and corresponding data is stored in inside memory module,
When convenient for relevant device power-off, the current and voltage quantities of induction generate variation, and relay transmits a signal to single-chip microcontroller, time delay module
Single-chip microcontroller is transmitted a signal to, control radio receiving transmitting module sends the data to PLC switch, cuts off the power, and control alternating current
Source module is relevant device power supply, carries out low-voltage variation to relevant device, increases the safety that relevant device uses, and is reduced artificial
Operation, convenient for long-range monitoring;
It 3, should be based on PLC low voltage switch equipment automatic switching device of standby power supply by being provided with cooling fan, dust-proof web plate, dissipating
Hot hole and desiccant box, convenient for being worked by cooling fan, by outside air by being pumped into inside device after desiccant box drying
After extract out, effectively increase inside device air flowing, with the heat generated inside walking apparatus while isolation environment dust
Amount, convenient for the heat dissipation effect of increase device, dust-proof effect and except moist, reduction device internal component damage, convenient for increasing device
Service life;
It 4, should be anti-dry by being provided with acoustical cotton and glass fibre based on PLC low voltage switch equipment automatic switching device of standby power supply
Layer is disturbed, convenient for the noise generated when being worked by acoustical cotton adsorbent equipment internal element, the noise reduction effect of device is effectively increased, subtracts
Few noise pollution, convenient for reducing influence of the electromagnetic interference to device in environment by the anti-interference layer of glass fibre, convenient for device
It uses.
Detailed description of the invention
Fig. 1 is the device overlooking structure diagram of the utility model;
Fig. 2 bows for the device of the utility model and cuts open structural schematic diagram;
Fig. 3 is enlarged structure schematic diagram at A in Fig. 2 of the utility model;
Fig. 4 is the system block diagram of the utility model.
In figure: 1, body;2, fixing end;3, fixing groove;4, connection socket;5, fixing bolt;6, LED display;7, face
Plate;8, it switchs;9, control button;10, locating slot;11, memory module;12, mounting plate;13, time delay module;14, fixed column;
15, acoustical cotton;16, mounting post;17, cooling fan;18, dust-proof web plate;19, heat release hole;20, the anti-interference layer of glass fibre;21,
Radio receiving transmitting module;22, single-chip microcontroller;23, AC power supply module;24, relay;25, threephase current transformer;26, three-phase electricity
Press mutual inductor;27, desiccant box;28, connecting pin;29, spring base;30, sound hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, a kind of embodiment provided by the utility model: one kind is based on PLC low voltage switch equipment standby electricity
Source automatic bus, including body 1, fixing end 2, connection socket 4 and LED display 6, it is characterised in that: pacify at the both ends of body 1
Equipped with fixing end 2, and fixing groove 3 is all uniformly provided in fixing end 2, body 1 constitutes fixation by fixing end 2 and fixing groove 3 and tears open
Assembling structure, convenient for being coupled bolt by fixing end 2 and fixing groove 3 and body 1 being fixed on relevant device, convenient for device
It is fixedly mounted, convenient for the use of device, the two sides of body 1 are all uniformly provided with locating slot 10, and between adjacent 2 locating slots 10
Dust-proof web plate 18 is mounted on body 1, the both ends inside body 1 are all uniformly equipped with fixed column 14, and between fixed column 14
It is fixed with mounting plate 12, the one end at 12 top of mounting plate is equipped with AC power supply module 23, and the model of AC power supply module 23 can
For ATC-24S, and the 12 top other end of mounting plate be sequentially installed with memory module 11, time delay module 13, radio receiving transmitting module 21,
Relay 24 and single-chip microcontroller 22, the model of memory module 11 can be CFM100, and the model of time delay module 13 can be JK021, wirelessly
The model of transceiver module 21 can be NRF905, and the model of relay 24 can be JGX-60DA, and the model of single-chip microcontroller 22 can be
AT89S51, AC power supply module 23 is electrically connected by conducting wire with single-chip microcontroller 22, and time delay module 13,21 and of radio receiving transmitting module
The output end of AC power supply module 23 is electrically connected with the input terminal of single-chip microcontroller 22, and memory module 11 passes through conducting wire and single-chip microcontroller
22 are electrically connected, and the top of 24 side mounting plate 12 of relay is equipped with connecting pin 28, the mounting plate 12 of 28 one end of connecting pin
On be separately installed with threephase current transformer 25 and threephase potential transformer 26, the model of threephase current transformer 25 can be DB-
330, the model of threephase potential transformer 26 can be HYCV3H1L, and threephase current transformer 25 and threephase potential transformer 26 with
Connecting pin 28 is electrically connected, input of the output end of threephase current transformer 25 and threephase potential transformer 26 with relay 24
The electric connection at end, and the input terminal of the output end of relay 24 and single-chip microcontroller 22 is electrically connected, the both ends of 12 two sides of mounting plate
Spring base 29 is all uniformly installed, and one end of spring base 29 is fixedly connected with the inner wall of body 1, is uniformly set on mounting plate 12
Have with the mutually matched mounting hole of fixed column 14, and the both ends of spring base 29 are all welded and fixed with body 1 and mounting plate 12 respectively,
Shock-damping structure is constituted by spring base 29 between body 1 and mounting plate 12, convenient for being convenient for by 14 fixed mounting plate 12 of fixed column
Increase the elastic force between body 1 and mounting plate 12 by spring base 29, reduce device by external force shake when squeezing to peace
The shaking of loading board 12 reduces the damage of mounting plate 12, increases the damping effect of device, 1 inside two sides of body between spring base 29
Center be separately installed with cooling fan 17 and desiccant box 27, the inside of dust-proof 18 side body 1 of web plate is all uniformly provided with scattered
Hot hole 19, and body 1 constitutes radiator structure by dust-proof web plate 18, heat release hole 19 and cooling fan 17, convenient for passing through radiation air
Outside air by extracting out after being pumped into device inside after the drying of desiccant box 27, is effectively increased the air stream inside device by machine 17
It is dynamic, with the heat generated inside walking apparatus while isolation environment dust, convenient for increasing heat dissipation effect, the dust-proof effect of device
It is moist with removing, device internal component damage is reduced, convenient for increasing the service life of device, and cooling fan 17 passes through conducting wire and list
Piece machine 22 is electrically connected, and 4 angular positions inside body 1 are mounted on mounting post 16, and glass is coated on the inner wall of body 1
The anti-interference layer 20 of fiber, is filled with acoustical cotton 15 in the side wall at 1 both ends of body, on the inner wall of 15 side body 1 of acoustical cotton all
It is uniformly provided with sound hole 30, body 1 constitutes denoising structure by acoustical cotton 15 and sound hole 30, is convenient in device use process, each member
The noise that part generates is entered inside acoustical cotton 15 by sound hole 30 to be absorbed, and the noise of device generation is effectively reduced, convenient for increasing
The noise reduction effect of feeder apparatus, convenient for the use of device, and the top of body 1 is fixed with panel 7 by fixing bolt 5, panel 7
4 angular positions be equipped with the mutually matched fixation hole of fixing bolt 5, and the center of mounting post 16 is equipped with and fixing bolt
5 mutually matched threaded holes constitute fixed disassembly and assembly structure by fixing bolt 5 and mounting post 16 between body 1 and panel 7, and
The junction of body 1 and panel 7 is equipped with sealing joint strip, convenient for body 1 and panel 7 are fixed and are torn open by fixing bolt 5
Dress, convenient for overhauling to device internal element, while increasing the leakproofness between body 1 and panel 7, avoids miscellaneous in environment
Matter dust is water stain to be entered inside device, the damage of device internal element is reduced, convenient for the use of device, the center of 7 side of panel
LED display 6 is installed, and LED display 6 is electrically connected by conducting wire and single-chip microcontroller 22,6 side panel 7 of LED display
Center is equipped with control button 9, and is separately installed with connection socket 4 and switch 8 on the LED display 6 at 9 both ends of control button,
Connection socket 4 and connecting pin 28 are electrically connected.
Working principle: in use, being coupled bolt by fixing end 2 and fixing groove 3 first and being fixed on body 1 accordingly
In equipment, relevant device is connect with connection socket 4, connects external power supply, relevant device is in use, connection socket 4 will be corresponding
Equipment input quantity is imported into inside connecting pin 28, is incuded accordingly by threephase current transformer 25 and threephase potential transformer 26
Current and voltage quantities, and corresponding data is stored in inside memory module 11, when relevant device power-off, the current and voltage quantities of induction
Variation is generated, relay 24 transmits a signal to single-chip microcontroller 22, and time delay module 13 senses signal at this time, passes through wireless receiving and dispatching mould
Block 11 sends the data to PLC switch, cuts off the power, and controlling AC power supply module 23 is that relevant device is powered, to accordingly setting
It is standby to carry out low-voltage variation, increase the safety that relevant device uses, reduce manual operation, convenient for long-range monitoring, device was used
Cheng Zhong, cooling fan 17 work, and by outside air by extracting out after being pumped into device inside after the drying of desiccant box 27, effectively increase
Air flowing inside device, with the heat generated inside walking apparatus the isolation environment dust while, convenient for increasing device
Heat dissipation effect, dust-proof effect and except moist, reduce device internal component damage, convenient for increasing the service life of device, simultaneously
Acoustical cotton 15 can effectively the work of adsorbent equipment internal element when the noise that generates, effectively increase the noise reduction effect of device, reduction is made an uproar
Sound pollution, the anti-interference layer 20 of glass fibre can effectively reduce influence of the electromagnetic interference to device in environment, convenient for the use of device.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. one kind is based on PLC low voltage switch equipment automatic switching device of standby power supply, including body (1), fixing end (2), connection socket
(4) and LED display (6), it is characterised in that: the both ends of the body (1) are mounted on fixing end (2), and in fixing end (2)
It is all uniformly provided with fixing groove (3), the two sides of the body (1) are all uniformly provided with locating slot (10), and adjacent 2 locating slots (10)
Between body (1) on be mounted on dust-proof web plate (18), the internal both ends of the body (1) are all uniformly equipped with fixed column
(14), it and between fixed column (14) is fixed with mounting plate (12), one end at the top of the mounting plate (12) is equipped with AC power source
Module (23), and the other end is sequentially installed with memory module (11), time delay module (13), wireless receiving and dispatching mould at the top of mounting plate (12)
Block (21), relay (24) and single-chip microcontroller (22), the AC power supply module (23) are electrically connected by conducting wire with single-chip microcontroller (22),
And input of the output end of time delay module (13), radio receiving transmitting module (21) and AC power supply module (23) with single-chip microcontroller (22)
End is electrically connected, and the memory module (11) is electrically connected by conducting wire and single-chip microcontroller (22), and relay (24) side is installed
It is equipped at the top of plate (12) connecting pin (28), is separately installed with three-phase electricity on the mounting plate (12) of described connecting pin (28) one end
Current transformer (25) and threephase potential transformer (26), and threephase current transformer (25) and threephase potential transformer (26) and company
Connect end (28) electric connection, the output end of the threephase current transformer (25) and threephase potential transformer (26) is and relay
(24) electric connection of input terminal, and the output end of relay (24) and the input terminal of single-chip microcontroller (22) are electrically connected, it is described
The both ends of mounting plate (12) two sides are all uniformly equipped with spring base (29), and one end of spring base (29) is interior with body (1)
Wall is fixedly connected, and the center of the internal two sides of body (1) is separately installed with cooling fan (17) and does between the spring base (29)
Drying prescription box (27), and cooling fan (17) is electrically connected by conducting wire with single-chip microcontroller (22), the internal 4 angles position of the body (1)
The place of setting is mounted on mounting post (16), and the anti-interference layer of glass fibre (20), the body are coated on the inner wall of body (1)
(1) acoustical cotton (15) are filled in the side wall at both ends, and the top of body (1) is fixed with panel by fixing bolt (5)
(7), the center of panel (7) side is equipped with LED display (6), and LED display (6) passes through conducting wire and single-chip microcontroller
(22) it is electrically connected, the center of LED display (6) the side panel (7) is equipped with control button (9), and control button (9)
Connection socket (4) and switch (8), the connection socket (4) and connecting pin are separately installed on the LED display (6) at both ends
(28) it is electrically connected.
2. according to claim 1 a kind of based on PLC low voltage switch equipment automatic switching device of standby power supply, it is characterised in that:
The body (1) constitutes fixed disassembly and assembly structure by fixing end (2) and fixing groove (3).
3. according to claim 1 a kind of based on PLC low voltage switch equipment automatic switching device of standby power supply, it is characterised in that:
4 angular positions of the panel (7) are equipped with and fixing bolt (5) mutually matched fixation hole, and in mounting post (16)
Centre is equipped with and fixing bolt (5) mutually matched threaded hole, passes through fixing bolt (5) between the body (1) and panel (7)
Fixed disassembly and assembly structure is constituted with mounting post (16), and the junction of body (1) and panel (7) is equipped with sealing joint strip.
4. according to claim 1 a kind of based on PLC low voltage switch equipment automatic switching device of standby power supply, it is characterised in that:
Be uniformly provided on the mounting plate (12) with fixed column (14) mutually matched mounting hole, and the both ends of spring base (29) are all distinguished
It is welded and fixed with body (1) and mounting plate (12), is made up of and subtracts spring base (29) between the body (1) and mounting plate (12)
Shake structure.
5. according to claim 1 a kind of based on PLC low voltage switch equipment automatic switching device of standby power supply, it is characterised in that:
It is all uniformly provided with sound hole (30) on the inner wall of acoustical cotton (15) the side body (1), body (1) passes through acoustical cotton (15) and sound
Hole (30) constitutes denoising structure.
6. according to claim 1 a kind of based on PLC low voltage switch equipment automatic switching device of standby power supply, it is characterised in that:
The inside of dust-proof web plate (18) the side body (1) is all uniformly provided with heat release hole (19), and body (1) passes through dust-proof web plate
(18), heat release hole (19) and cooling fan (17) constitute radiator structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920350010.6U CN209545235U (en) | 2019-03-19 | 2019-03-19 | One kind being based on PLC low voltage switch equipment automatic switching device of standby power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920350010.6U CN209545235U (en) | 2019-03-19 | 2019-03-19 | One kind being based on PLC low voltage switch equipment automatic switching device of standby power supply |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209545235U true CN209545235U (en) | 2019-10-25 |
Family
ID=68275345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920350010.6U Active CN209545235U (en) | 2019-03-19 | 2019-03-19 | One kind being based on PLC low voltage switch equipment automatic switching device of standby power supply |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209545235U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110994538A (en) * | 2019-12-24 | 2020-04-10 | 常州刘国钧高等职业技术学校 | Built-in heat dissipation dust removal structure and be equipped with positioning mechanism's relay protection device that reserves |
CN112130554A (en) * | 2020-05-22 | 2020-12-25 | 辽宁省交通高等专科学校 | Vehicle self-adaptation cruise control device with controller simulation |
-
2019
- 2019-03-19 CN CN201920350010.6U patent/CN209545235U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110994538A (en) * | 2019-12-24 | 2020-04-10 | 常州刘国钧高等职业技术学校 | Built-in heat dissipation dust removal structure and be equipped with positioning mechanism's relay protection device that reserves |
CN112130554A (en) * | 2020-05-22 | 2020-12-25 | 辽宁省交通高等专科学校 | Vehicle self-adaptation cruise control device with controller simulation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201278519Y (en) | Socket type infrared electric power control apparatus | |
CN209545235U (en) | One kind being based on PLC low voltage switch equipment automatic switching device of standby power supply | |
CN208723407U (en) | A kind of comprehensive power control cabinet of express highway intelligent | |
CN209928245U (en) | Energy consumption data acquisition module | |
CN203588057U (en) | Wind power monitoring device | |
CN111355150A (en) | High-safety high-voltage switch cabinet with remote monitoring function | |
CN211184705U (en) | Compact type energy environment monitoring integrated cabinet for integrated outdoor communication machine room | |
CN209372933U (en) | A kind of three-phase multifunctional electric instrument | |
CN204349298U (en) | A kind of novel electric power control cubicle | |
CN108062066A (en) | A kind of intelligent monitor system for family | |
CN208572616U (en) | A kind of hotel visitor control system input/output unit | |
CN205944831U (en) | Capacitor box with monitoring device | |
CN207475173U (en) | A kind of Intelligent arc-light protection device | |
CN208767979U (en) | A kind of novel high-speed rail power source special module control cabinet | |
CN112510837A (en) | Monitoring device and monitoring system | |
CN208028386U (en) | A kind of battery component of intelligent distribution system | |
CN110113199A (en) | A kind of communication power supply monitoring device | |
CN207409817U (en) | A kind of electrical Intelligent control cabinet | |
CN205430035U (en) | High frequency electric power communication switching power supply cabinet | |
CN202548676U (en) | Electronic humiture controller | |
CN106411152B (en) | A kind of integrated form passenger train inverter module and inverter box | |
CN213717417U (en) | Dustproof heat dissipation direct current screen of convenient dismantlement | |
CN204989297U (en) | Wireless high -pressure detection device of sound production formula | |
CN205283252U (en) | Air switch and for air switch system | |
CN208188647U (en) | Multifunctional all remotely monitors safety device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |