CN208792835U - A kind of ground level transformer auxiliary device - Google Patents
A kind of ground level transformer auxiliary device Download PDFInfo
- Publication number
- CN208792835U CN208792835U CN201821425315.0U CN201821425315U CN208792835U CN 208792835 U CN208792835 U CN 208792835U CN 201821425315 U CN201821425315 U CN 201821425315U CN 208792835 U CN208792835 U CN 208792835U
- Authority
- CN
- China
- Prior art keywords
- foundation pit
- damping
- setting
- transformer
- auxiliary device
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model provides a kind of ground level transformer auxiliary device, including foundation pit, the pedestal being arranged among foundation pit, setting transformer body on the base, it is arranged in above foundation pit and the steelframe bottom plate flushed with ground and the denoising device being arranged in foundation pit, damping is set in the transformer body, the damping includes the damping crossbeam that transformer body side is arranged in, U-shaped frame is arranged in the damping beam-end, damping spring is set between the U-shaped frame both ends, and clump weight is arranged in the intermediate of the damping spring.The utility model can carry out damping noise reduction operation to the high-power transformer of substation, the influence of the vibration, noise of substation operation generation to surrounding enviroment can be greatly reduced, and the heat dissipation of transformer can be taken into account, reach good heat dissipation effect using less energy consumption, has great popularization value.
Description
Technical field
The utility model relates to substation's auxiliary device technical fields, and in particular to a kind of ground level transformer auxiliary device.
Background technique
In recent years, with the development of urban construction, substation is built largely in city to meet urban economy development to electricity
The demand of power.But noise is larger when substation transformer works, especially during summer peak load, the noise pair of transformer
The influence that the normal work life of surrounding resident generates is more serious, seldom active noise reduction is carried out to transformer at present, because of drop
Make an uproar mostly uses soundproof plate to surround setting to transformer greatly, to absorb its sound wave, but is unfavorable for the heat dissipation of transformer in this way, and
It is impacted when to Repair of Transformer, needs to remove noise reducing mechanism, substantially prolong the time of maintenance.
The patent of Publication No. 207097593U discloses a kind of fixing clamp for reducing transformer noise, belongs to matched transformer
Part technical field, including bent plate and straight panel, the bent plate include bottom plate, through-hole are offered on the bottom plate, after the bottom plate is right
End is connected with riser, and the riser upper and lower ends offer the first circular hole, and the straight panel upper and lower ends offer the second circle
Hole.The utility model reduces the vibration of iron core itself, can be effectively reduced the noise of transformer, avoids noise effect people
Normal life.But the utility model is for the noise reduction effect of high-power transformer and bad.
The patent of Publication No. 106441831A discloses a kind of transformer noise detection shock mitigation system, including damping list
Member, sound measurement unit, communication unit and main station system, the vibration absorption unit are the device that damping is carried out to transformer, sound
Sound measuring unit and passes to main station system by communication unit by the monitoring of the operation sound to transformer in operation,
It is handled by information of the main station system to feedback.The utility model proposes one to combine transformer noise improvement, transformation
The low solution of the easy to implement of device status monitoring, monitoring cost will be effectively reduced by the gradually popularization and application of the patent
Distribution transformer is to the noise pollution of neighbouring resident, while sustainable monitoring distribution transformer operating status, and to improve, power can
By property, reduce all kinds of operation troubles offer important supports of distribution transformer.But it still cannot achieve the shielding to electromagnetism, and
Damping noise reduction effect is not fine.The system is not still fine to the damping noise reduction effect of transformer.
Utility model content
In view of this, the present invention provides a kind of ground level transformer auxiliary devices, can be to the large-scale transformation of substation
Device carries out damping noise reduction operation, can greatly reduce the influence of the vibration, noise of substation operation generation to surrounding enviroment.
To solve the above problems, the utility model provides a kind of ground level transformer auxiliary device, including foundation pit, setting in base
Cheat intermediate pedestal, setting transformer body on the base, the steelframe bottom plate that is arranged in above foundation pit and is flushed with ground with
And the denoising device in foundation pit is set, damping is set in the transformer body, and the damping includes that setting exists
The damping crossbeam of transformer body side, the damping beam-end are arranged U-shaped frame, damping are arranged between the U-shaped frame both ends
Clump weight is arranged in spring, the intermediate of the damping spring.
Further, the denoising device includes four elevating mechanisms that the corresponding pedestal quadrangle is arranged in foundation pit,
Noise reducing mechanism is set between adjacent elevating mechanism two-by-two, and the steelframe bottom plate corresponds to the denoising device setting lifting groove.
Further, the elevating mechanism includes hydraulic lifting post, down-set two L-types in hydraulic lifting top end
Mounting rod, the mounting rod of adjacent hydraulic lifting post is correspondingly arranged two-by-two, between two be correspondingly arranged mounting rod be arranged support
Frame mechanism is arranged the noise reducing mechanism in the support mechanism, control cabinet, the control is arranged on the edge ground of the foundation pit
The elevating mechanism setting lifter switch is corresponded in case.
Further, the support mechanism includes that the cross tube of setting is connected between two mounting rods being correspondingly arranged under
Diagonal struts are arranged between sheer pole for cross bar, the mounting rod, cross tube, and mounting plate is arranged on the inside of the support mechanism, described
Noise reducing mechanism includes that air bag is arranged on the inside of the mounting plate, and the air bag inner surface is arranged several and pierces convex and noise reduction
Slot, the mounting rod, cross tube, sheer pole, diagonal struts use Steel material product.
Further, the bottom of the foundation pit corresponds to the air bag setting inflator pump, and the inflator pump passes through gas supply
Hose is connected to air bag, and electromagnetic sealing valve is arranged on the air supply hose, setting gas-filled switching tube and close in the control cabinet
Sealing switch.
Further, the elevating mechanism top corresponds to the lifting groove setting steelframe cover board.
Further, cooling mechanism is set in the foundation pit, and the cooling mechanism includes falling on ground on the outside of the foundation pit
The L-type air inlet pipe set is erected, the L-type air inlet pipe is connected to the cooling main pipeline that below ground is arranged in, the foundation pit side
Several gas outlets are arranged in bottom, and the cooling main pipeline lower part is located at the lower section of the foundation pit, the gas outlet and the drop
Connection setting cooling tubule between warm main pipeline, opening down, the setting axis stream in the L-type air inlet pipe of the L-type air inlet pipe
Blower, the control cabinet is interior to be arranged fan switch.
Further, strainer is arranged in the gas outlet.
A kind of working method of ground level transformer auxiliary device, includes the following steps:
S1, elevating mechanism rising is controlled by the lifter switch in control cabinet, to drive support mechanism and support machine
Noise reducing mechanism on structure rises, and transformer side is surrounded；
S2, inflator pump is opened by the gas-filled switching tube in control cabinet, air bag is inflated, so that air bag
It opens and pierces convex and noise reduction Slot shaping, close gas-filled switching tube at this time and operation enclosed switch is closed electromagnetic sealing valve, noise reduction machine
Structure and damping noise reduction of the cooperation to transformer body and the shock absorption to transformer, realize noise reduction damping function
Energy；
After S3, noise reducing mechanism rise, fan switch is opened by control cabinet, outside air is sent by axial flow blower work to drop
Warm main pipeline simultaneously eventually enters into cooling tubule from gas outlet ejection, air and soil heat exchange, reduces air themperature and simultaneously forms transformation
The air circulation on device periphery is realized and cools down to transformer；
S4, need to transformer carry out upkeep operation when, by control cabinet reduce elevating mechanism so that every magnetic mechanism and drop
The mechanism that makes an uproar retracts below steelframe bottom plate, and steelframe cover board is buckled in lifting groove, operation convenient to overhaul.
The utility model provides a kind of ground level transformer auxiliary device,
A kind of ground level transformer auxiliary device, including foundation pit, the pedestal being arranged among foundation pit, the change of setting on the base
Depressor main body is arranged in above foundation pit and the steelframe bottom plate flushed with ground and the denoising device being arranged in foundation pit, described
Damping is set in transformer body, and the damping includes the damping crossbeam that transformer body side is arranged in, described
U-shaped frame is arranged in damping beam-end, and damping spring is arranged between the U-shaped frame both ends, and the intermediate setting of the damping spring is matched
Pouring weight.The denoising device includes four elevating mechanisms that the corresponding pedestal quadrangle is arranged in foundation pit, two-by-two adjacent liter
Noise reducing mechanism is set between descending mechanism, and the steelframe bottom plate corresponds to the denoising device setting lifting groove.Elevating mechanism setting exists
Four angles corresponding position of pedestal, adjacent positioned at two elevating mechanisms of pedestal the same face in this way, noise reducing mechanism is arranged in two phases
Between adjacent elevating mechanism, i.e., each face that noise reducing mechanism has corresponded to pedestal is configured, and such four noise reducing mechanisms are rising
Descending mechanism can wrap up the surrounding of transformer body when rising, thus to largely making an uproar caused by transformer body
Sound and electromagnetic wave are completely cut off.Damping in transformer body can weaken the vibration of transformer, and damping can be set
Set multiple, the vibration of transformer is transferred to clump weight by damping crossbeam, and clump weight can cut down change under random vibration
The vibration of depressor main body plays the shock-absorbing denoising function to transformer with denoising device cooperation.
The elevating mechanism includes hydraulic lifting post, the mounting rod of down-set two L-types in hydraulic lifting top end,
The mounting rod of adjacent hydraulic lifting post is correspondingly arranged two-by-two, and support mechanism, institute are arranged between two be correspondingly arranged mounting rod
It states and the noise reducing mechanism is set in support mechanism, control cabinet is set on the edge ground of the foundation pit, is corresponded in the control cabinet
Lifter switch is arranged in the elevating mechanism.The mounting rod horizontal sextant angle of two L-types on elevating mechanism is 90 degree, is arranged same
Two mounting rods in one hydraulic lifting post are connected by electric wire, and mounting rod material selection iron, and drop is arranged in support mechanism
Make an uproar mechanism, and fastness is more preferable, and strong wind is avoided to damage device.Margin of foundation pit setting control cabinet facilitates staff to carry out
Operation, which is arranged in substation, therefore distance controlling room is close, and staff is needing to operate to transformer
When directly pass through hand control switch.
The support mechanism includes the cross tube and sheer pole that setting is connected between two mounting rods being correspondingly arranged, described
Diagonal struts are arranged between sheer pole for mounting rod, cross tube, and mounting plate, the noise reducing mechanism is arranged on the inside of the support mechanism
Including air bag is arranged on the inside of the mounting plate, the air bag inner surface is arranged several and pierces convex and silencing groove, described
Mounting rod, cross tube, sheer pole, diagonal struts use Steel material product.Mounting rod, cross tube, sheer pole and diagonal struts
A rectangular frame is constituted, and the diagonal line of rectangular frame is diagonal struts, fastness is fine, and to setting in the frame
On mounting plate stationarity it is more preferable.Mounting plate is used to install air bag, and air bag pierces convex and noise reduction after inflation struts
Slot shaping, structure can reduce or eliminate acoustic wave energy, to play the role of noise reduction.
The bottom of the foundation pit corresponds to the air bag setting inflator pump, and the inflator pump passes through air supply hose and inflation
Air bag is connected to, and electromagnetic sealing valve, setting gas-filled switching tube and enclosed switch in the control cabinet are arranged on the air supply hose.Inflation
Pump is inflated to air bag, when needing to strut air bag, operation inflation beside staff to control cabinet
Switch is opened inflator pump and is inflated to air bag, and inflator pump is closed after air bag opening and operates enclosed switch and makes electromagnetic sealing valve
It closes, air bag maintains distracted state.
The elevating mechanism top corresponds to the lifting groove setting steelframe cover board.Lifting groove provides noise reducing mechanism lifting
Space, but will affect the passability of steelframe bottom plate, the steelframe cover board and the structure phase of lifting groove of setting on elevating mechanism top
Cooperation, after elevating mechanism landing is gone down, steelframe cover board can be fallen in lifting groove, to cover to lifting groove.
Cooling mechanism is set in the foundation pit, and the cooling mechanism includes the L of setting of standing upside down on ground on the outside of the foundation pit
Type air inlet pipe, the L-type air inlet pipe are connected to the cooling main pipeline that below ground is arranged in, if the foundation pit side bottom is arranged
A dry gas outlet, the cooling main pipeline lower part are located at the lower section of the foundation pit, the gas outlet and the cooling main pipeline it
Between connection setting cooling tubule, the L-type air inlet pipe it is opening down, axial flow blower, the control are set in the L-type air inlet pipe
Fan switch is set in case processed.In whole device to transformer every magnetic noise reduction when the heat dissipation of transformer certainly will be impacted, become
Depressor cannot be not easy to lower by lateral wind, temperature, therefore use special cooling mechanism, and air passes through axis stream
Cooling main pipeline is sent into blower pressurization, is entered back into cooling tubule, and the lower end of cooling tubule and the main pipeline that cools down is all on ground
The heat of following depths, outside air is just sufficiently exchanged with soil, to cool down to air, in the sky for making low temperature
Gas is sprayed from the gas outlet of foundation pit side, takes away cooling operation of the heat realization on transformer and periphery to transformer.The party
Case only expends the electric energy for driving air, and the electric energy to cool down is not necessarily to expend, and energy saving but cooling effect is fine.
Strainer is arranged in the gas outlet, and the strainer of setting can enter the circulation that gas outlet hinders air to avoid sundries,
Influence the cooling effect of transformer.
The utility model can carry out damping noise reduction operation to the high-power transformer of substation, can greatly reduce substation
The influence of the vibration, noise that generate to surrounding enviroment is run, and the heat dissipation of transformer can be taken into account, is reached using less energy consumption
Good heat dissipation effect, has great popularization value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model ground level transformer auxiliary device；
Fig. 2 is the structural schematic diagram of the utility model noise reducing mechanism；
Fig. 3 is the structural schematic diagram of the utility model support mechanism；
Fig. 4 is the structural schematic diagram of the utility model damping；
Fig. 5 is the structural schematic diagram of the utility model gas outlet.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The attached drawing 1-5 of type embodiment, is clearly and completely described the technical solution of the utility model embodiment.Obviously, described
Embodiment be the utility model a part of the embodiment, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained fall within the protection scope of the utility model.
Embodiment one present embodiments provides a kind of ground level transformer auxiliary device, including foundation pit 10, setting in foundation pit 10
Intermediate pedestal 7, the transformer body 6 being arranged on pedestal 7,10 top of foundation pit is set and the steelframe bottom that is flushed with ground
Damping, the damping packet is arranged in the transformer body 6 in plate 8 and the denoising device being arranged in foundation pit 10
The damping crossbeam 13 that 6 side of transformer body is set is included, U-shaped frame 14, the U-shaped frame 14 is arranged in 13 end of damping crossbeam
Damping spring 15 is set between both ends, and clump weight 16 is arranged in the intermediate of the damping spring 15.
The denoising device includes four elevating mechanisms that 7 four jiaos of the corresponding pedestal is arranged in foundation pit 10, two two-phases
Noise reducing mechanism is set between adjacent elevating mechanism, and lifting groove 9 is arranged in the corresponding denoising device of the steelframe bottom plate 8.
The elevating mechanism includes hydraulic lifting post 3, the installation of down-set two L-types in 3 top of hydraulic lifting post
Bar 4, the mounting rod 4 of adjacent hydraulic lifting post 3 is correspondingly arranged two-by-two, and support is arranged between two be correspondingly arranged mounting rod 4
The noise reducing mechanism is arranged in the support mechanism 5 for mechanism 5, and control cabinet 1 is arranged on the edge ground of the foundation pit 10, described
The elevating mechanism setting lifter switch is corresponded in control cabinet 1.Lifter switch is connect with hydraulic lifting post conducting wire, thus to hydraulic
The working condition of lifting column is controlled, its ascending, descending or attonity are controlled.
The support mechanism 5 includes the cross tube 27 and sheer pole that setting is connected between two mounting rods 4 being correspondingly arranged
28, diagonal struts 29 are arranged between sheer pole 28 for the mounting rod 4, cross tube 27, and installation is arranged on the inside of the support mechanism 5
Plate 20, air bag 21 is arranged on the inside of the mounting plate 20, and 21 inner surface of air bag is arranged several thorns convex 23 and disappears
Sound slot 22, the mounting rod 4, cross tube 27, sheer pole 28, diagonal struts 29 use Steel material product.
The bottom of the foundation pit 10 corresponds to the air bag 21 and inflator pump 26 is arranged, and the inflator pump 26 is soft by supplying
Pipe 24 is connected to air bag 21, electromagnetic sealing valve 25 is arranged on the air supply hose 24, setting inflation is opened in the control cabinet 1
Pass and enclosed switch.Gas-filled switching tube is connect with inflator pump conducting wire, and enclosed switch is connect with electromagnetic sealing valve conducting wire, respectively to inflation
The movement of pump and electromagnetic sealing valve is controlled, and cooperation is inflated air bag.
The elevating mechanism top corresponds to the lifting groove 9 and steelframe cover board 2 is arranged.
Embodiment two, the difference with embodiment one are:
Cooling mechanism is set in the foundation pit 10, and the cooling mechanism includes setting of standing upside down on the 10 outside ground of foundation pit
L-type air inlet pipe 11, the L-type air inlet pipe 11 is connected to the cooling main pipeline 19 that below ground is arranged in, 10 side of foundation pit
Several gas outlets 17 are arranged in face bottom, and cooling 19 lower part of main pipeline is located at the lower section of the foundation pit 10, the gas outlet
Setting cooling tubule 18, opening down, the L-type of the L-type air inlet pipe 11 are connected between 17 and the cooling main pipeline 19
Axial flow blower 12 is set in air inlet pipe 11, fan switch is set in the control cabinet 1.Fan switch and axial flow blower conducting wire connect
It connects, to control whether axial flow blower works.
Strainer 33 is arranged in the gas outlet 17.
Embodiment three present embodiments provides a kind of working method of ground level transformer auxiliary device, includes the following steps:
S1, elevating mechanism rising is controlled by the lifter switch in control cabinet, to drive support mechanism and support machine
Noise reducing mechanism on structure rises, and transformer side is surrounded；
S2, inflator pump is opened by the gas-filled switching tube in control cabinet, air bag is inflated, so that air bag
It opens and pierces convex and noise reduction Slot shaping, close gas-filled switching tube at this time and operation enclosed switch is closed electromagnetic sealing valve, noise reduction machine
Structure and damping noise reduction of the cooperation to transformer body and the shock absorption to transformer, realize noise reduction damping function
Energy；
After S3, noise reducing mechanism rise, fan switch is opened by control cabinet, outside air is sent by axial flow blower work to drop
Warm main pipeline simultaneously eventually enters into cooling tubule from gas outlet ejection, air and soil heat exchange, reduces air themperature and simultaneously forms transformation
The air circulation on device periphery is realized and cools down to transformer；
S4, need to transformer carry out upkeep operation when, by control cabinet reduce elevating mechanism so that every magnetic mechanism and drop
The mechanism that makes an uproar retracts below steelframe bottom plate, and steelframe cover board is buckled in lifting groove, operation convenient to overhaul.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (8)
1. a kind of ground level transformer auxiliary device, it is characterised in that: exist including foundation pit, the pedestal being arranged among foundation pit, setting
Transformer body on pedestal is arranged in above foundation pit and the steelframe bottom plate flushed with ground and the noise reduction being arranged in foundation pit
Damping is arranged in the transformer body in device, and the damping includes the damping that transformer body side is arranged in
U-shaped frame is arranged in crossbeam, the damping beam-end, is arranged damping spring between the U-shaped frame both ends, in the damping spring
Between clump weight is set.
2. ground level transformer auxiliary device as described in claim 1, it is characterised in that: the denoising device includes described in correspondence
Four elevating mechanisms in foundation pit are arranged in pedestal quadrangle, and noise reducing mechanism, the steel is arranged between adjacent elevating mechanism two-by-two
Frame bottom plate corresponds to the denoising device setting lifting groove.
3. ground level transformer auxiliary device as claimed in claim 2, it is characterised in that: the elevating mechanism includes hydraulic lifting
Column, the mounting rod of down-set two L-types in hydraulic lifting top end, the mounting rod of adjacent hydraulic lifting post is corresponding two-by-two
It is arranged, support mechanism is set between two mounting rods being correspondingly arranged, the noise reducing mechanism is set in the support mechanism, it is described
Control cabinet is set on the edge ground of foundation pit, the elevating mechanism setting lifter switch is corresponded in the control cabinet.
4. ground level transformer auxiliary device as claimed in claim 3, it is characterised in that: the support mechanism includes being correspondingly arranged
Two mounting rods between connect the cross tube and sheer pole of setting, the mounting rod, cross tube, setting is diagonal between sheer pole
Mounting plate is arranged in strut, the support mechanism inside, and the noise reducing mechanism includes that air bag, institute are arranged on the inside of the mounting plate
It states air bag inner surface and several convex and silencing grooves of thorn is set, the mounting rod, cross tube, sheer pole, diagonal struts use
Steel material product.
5. ground level transformer auxiliary device as claimed in claim 4, it is characterised in that: filled described in the bottom of the foundation pit is corresponding
Inflator pump is arranged in gas air bag, and the inflator pump is connected to by air supply hose with air bag, and electromagnetism is arranged on the air supply hose
Sealing valve, the interior setting gas-filled switching tube of the control cabinet and enclosed switch.
6. ground level transformer auxiliary device as claimed in claim 5, it is characterised in that: described in the elevating mechanism top is corresponding
Steelframe cover board is arranged in lifting groove.
7. ground level transformer auxiliary device as claimed in claim 3, it is characterised in that: cooling mechanism is set in the foundation pit,
The cooling mechanism includes the L-type air inlet pipe of setting of standing upside down on ground on the outside of the foundation pit, the L-type air inlet pipe and is arranged on ground
Several gas outlets, the cooling main pipeline lower portion is arranged in face cooling main pipeline connection below, the foundation pit side bottom
In the lower section of the foundation pit, setting cooling tubule, the L-type air inlet pipe are connected between the gas outlet and the cooling main pipeline
It is opening down, axial flow blower is set in the L-type air inlet pipe, fan switch is set in the control cabinet.
8. ground level transformer auxiliary device as claimed in claim 7, it is characterised in that: strainer is arranged in the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821425315.0U CN208792835U (en) | 2018-08-31 | 2018-08-31 | A kind of ground level transformer auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821425315.0U CN208792835U (en) | 2018-08-31 | 2018-08-31 | A kind of ground level transformer auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208792835U true CN208792835U (en) | 2019-04-26 |
Family
ID=66207912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821425315.0U Expired - Fee Related CN208792835U (en) | 2018-08-31 | 2018-08-31 | A kind of ground level transformer auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208792835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729703A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司方城县供电公司 | A kind of ground level transformer auxiliary system |
-
2018
- 2018-08-31 CN CN201821425315.0U patent/CN208792835U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729703A (en) * | 2018-08-31 | 2018-11-02 | 国网河南省电力公司方城县供电公司 | A kind of ground level transformer auxiliary system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108729703A (en) | A kind of ground level transformer auxiliary system | |
| CN208792835U (en) | A kind of ground level transformer auxiliary device | |
| CN211958305U (en) | Energy-saving and environment-friendly switch cabinet | |
| CN202885239U (en) | Indoor integrated type heat pump water heater | |
| CN202793068U (en) | Square transverse flow lateral air outlet opened type cooling tower | |
| CN202883214U (en) | Novel power-free cooling tower and water turbine | |
| CN109065341A (en) | A kind of substation's high-power transformer is every magnetic noise reduction system | |
| CN107565476A (en) | A kind of smart lock type terminal box | |
| CN201306807Y (en) | Water-cooling type energy-saving environmental-protection air conditioner | |
| CN210980893U (en) | Low-noise water vector propulsion enthalpy atomization condensation cooling device | |
| CN113889883B (en) | Intelligent all-weather outdoor high-voltage ring main unit based on Internet of things | |
| CN213811820U (en) | Intelligent efficient side air inlet cooling tower | |
| CN108590525A (en) | A kind of constructing tunnel with function of seismic resistance road surface perforating device | |
| CN213988531U (en) | Power transformer cooling device | |
| CN210925647U (en) | Disaster protection device for special transformer | |
| CN211777834U (en) | Temperature adjusting device for wind generating set overhaul room | |
| CN212806618U (en) | Energy-saving efficient cooling tower | |
| CN205102630U (en) | Improve cooling tower | |
| CN201133773Y (en) | Direct air cooling units air cooling island cooling apparatus | |
| CN210380542U (en) | Quick refrigerated high-efficient inverter motor | |
| CN207368608U (en) | A kind of smart lock type terminal box | |
| CN201706768U (en) | Screw rod type air cooling cold water machine set | |
| CN112712968A (en) | Large-capacity transformer cooling system cooled by finned radiator | |
| CN111237138A (en) | Temperature adjusting device for wind generating set overhaul room | |
| CN114121425B (en) | Emergent heat sink of transformer on pole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 |